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sukhanov |
/****************************************************************************/
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/* */
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/* Module: jamexec.c */
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/* */
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/* Copyright (C) Altera Corporation 1997 */
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/* */
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/* Description: Contains the main entry point jam_execute(), and */
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/* other functions to implement the main execution loop. */
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/* This loop repeatedly calls jam_get_statement() and */
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/* jam_execute_statement() to process statements in */
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/* the JAM source file. */
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/* */
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/* Revisions: 1.1 added support for VECTOR CAPTURE and VECTOR COMPARE */
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/* statements */
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/* added support for dynamic memory allocation */
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/* 1.2 fixed STATE statement to accept a space-separated */
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/* list of states as well as a comma-separated list */
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/* */
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/****************************************************************************/
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/****************************************************************************/
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/* */
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/* Actel version 1.1 May 2003 */
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/* */
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/****************************************************************************/
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#include "jamport.h"
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#include "jamexprt.h"
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#include "jamdefs.h"
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#include "jamexec.h"
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#include "jamutil.h"
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#include "jamexp.h"
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#include "jamsym.h"
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#include "jamstack.h"
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#include "jamheap.h"
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#include "jamarray.h"
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#include "jamjtag.h"
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#include "jamcomp.h"
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/****************************************************************************/
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/* */
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/* Global variables */
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/* */
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/****************************************************************************/
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/* pointer to memory buffer for variable, symbol and stack storage */
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char *jam_workspace = NULL;
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/* size of available memory buffer */
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long jam_workspace_size = 0L;
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/* pointer to Jam program text */
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char *jam_program = NULL;
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/* size of program buffer */
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long jam_program_size = 0L;
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/* current position in input stream */
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long jam_current_file_position = 0L;
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/* position in input stream of the beginning of the current statement */
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long jam_current_statement_position = 0L;
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/* position of the beginning of the next statement (the one after the */
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/* current statement, but not necessarily the next one to be executed) */
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long jam_next_statement_position = 0L;
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/* name of desired action (Jam 2.0 only) */
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char *jam_action = NULL;
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/* pointer to initialization list */
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char **jam_init_list = NULL;
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/* buffer for constant literal boolean array data */
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#define JAMC_MAX_LITERAL_ARRAYS 4
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long jam_literal_array_buffer[JAMC_MAX_LITERAL_ARRAYS];
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/* buffer for constant literal ACA array data */
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long *jam_literal_aca_buffer[JAMC_MAX_LITERAL_ARRAYS];
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/* number of vector signals */
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int jam_vector_signal_count = 0;
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/* version of Jam language used: 0 = unknown */
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int jam_version = 0;
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/* phase of Jam execution */
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JAME_PHASE_TYPE jam_phase = JAM_UNKNOWN_PHASE;
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/* current procedure or data block */
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JAMS_SYMBOL_RECORD *jam_current_block = NULL;
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/* this global flag indicates that we are processing the items in */
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/* the "uses" list for a procedure, executing the data blocks if */
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/* they have not yet been initialized, but not calling any procedures */
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BOOL jam_checking_uses_list = FALSE;
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/* function prototypes for forward reference */
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JAM_RETURN_TYPE jam_process_data(char *statement_buffer);
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JAM_RETURN_TYPE jam_process_procedure(char *statement_buffer);
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JAM_RETURN_TYPE jam_process_wait(char *statement_buffer);
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JAM_RETURN_TYPE jam_execute_statement(char *statement_buffer, BOOL *done,
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BOOL *reuse_statement_buffer, int *exit_code);
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/* prototype for external function in jamarray.c */
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extern int jam_6bit_char(int ch);
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/* prototype for external function in jamsym.c */
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extern BOOL jam_check_init_list(char *name, long *value);
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/****************************************************************************/
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/* */
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JAM_RETURN_TYPE jam_get_statement
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(
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char *statement_buffer,
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char *label_buffer
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)
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/* */
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/* Description: This function reads a full statement from the input */
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/* stream, preprocesses it to remove comments, and stores */
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/* it in a buffer. If the statement is an array */
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/* declaration the initialization data is not stored in */
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/* the buffer but must be read from the input stream when */
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/* the array is used. */
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/* */
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/* Returns: JAMC_SUCCESS for success, else appropriate error code */
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/* */
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/****************************************************************************/
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{
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int index = 0;
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int label_index = 0;
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int ch = 0;
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int last_ch = 0;
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BOOL comment = FALSE;
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BOOL quoted_string = FALSE;
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BOOL boolean_array_data = FALSE;
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BOOL literal_aca_array = FALSE;
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BOOL label_found = FALSE;
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BOOL done = FALSE;
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long position = jam_current_file_position;
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long first_char_position = -1L;
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long semicolon_position = -1L;
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long left_quote_position = -1L;
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JAM_RETURN_TYPE status = JAMC_SUCCESS;
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label_buffer[0] = JAMC_NULL_CHAR;
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statement_buffer[0] = JAMC_NULL_CHAR;
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while (!done)
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{
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last_ch = ch;
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ch = jam_getc();
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if ((!comment) && (!quoted_string))
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{
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if (ch == JAMC_COMMENT_CHAR)
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{
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/* beginning of comment */
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comment = TRUE;
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}
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else if (ch == JAMC_QUOTE_CHAR)
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{
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/* beginning of quoted string */
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quoted_string = TRUE;
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left_quote_position = position;
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}
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else if (ch == JAMC_COLON_CHAR)
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{
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/* statement contains a label */
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if (label_found)
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{
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/* multiple labels found */
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status = JAMC_SYNTAX_ERROR;
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done = TRUE;
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}
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else if (index <= JAMC_MAX_NAME_LENGTH)
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{
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/* copy label into label_buffer */
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for (label_index = 0; label_index < index; label_index++)
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{
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label_buffer[label_index] =
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statement_buffer[label_index];
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}
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label_buffer[index] = JAMC_NULL_CHAR;
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label_found = TRUE;
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/* delete label from statement_buffer */
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index = 0;
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statement_buffer[0] = JAMC_NULL_CHAR;
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first_char_position = -1L;
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ch = JAMC_SPACE_CHAR;
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}
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else
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{
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/* label name was too long */
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status = JAMC_ILLEGAL_SYMBOL;
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done = TRUE;
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}
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}
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else if ((ch == JAMC_TAB_CHAR) ||
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(ch == JAMC_NEWLINE_CHAR) ||
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(ch == JAMC_RETURN_CHAR))
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{
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/* convert tab, CR, LF to space character */
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ch = JAMC_SPACE_CHAR;
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}
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}
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/* save character in statement_buffer */
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if ((!comment) && (index < JAMC_MAX_STATEMENT_LENGTH) &&
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((first_char_position != -1L) || (ch != JAMC_SPACE_CHAR)) &&
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(quoted_string ||
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(ch != JAMC_SPACE_CHAR) || (last_ch != JAMC_SPACE_CHAR)))
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{
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/* save the character */
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/* convert to upper case except quotes and boolean arrays */
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if (quoted_string || boolean_array_data || literal_aca_array)
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{
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statement_buffer[index] = (char) ch;
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}
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else
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{
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statement_buffer[index] = (char)
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(((ch >= 'a') && (ch <= 'z')) ? (ch - ('a' - 'A')) : ch);
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}
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++index;
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if (first_char_position == -1L) first_char_position = position;
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/*
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* Whenever we see a right bracket character, check if the
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* statement is a Boolean array declaration statement.
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*/
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if ((!boolean_array_data) && (ch == JAMC_RBRACKET_CHAR)
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&& (statement_buffer[0] == 'B'))
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{
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| 238 |
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if (jam_strncmp(statement_buffer, "BOOLEAN", 7) == 0)
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{
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boolean_array_data = TRUE;
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| 241 |
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}
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| 242 |
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}
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| 244 |
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/*
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| 245 |
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* Check for literal ACA array assignment
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| 246 |
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*/
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| 247 |
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if ((!quoted_string) && (!boolean_array_data) &&
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(!literal_aca_array) && (ch == JAMC_AT_CHAR))
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| 249 |
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{
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| 250 |
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/* this is the beginning of a literal ACA array */
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| 251 |
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literal_aca_array = TRUE;
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}
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| 253 |
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| 254 |
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if (literal_aca_array &&
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(!jam_isalnum((char) ch)) &&
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| 256 |
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(ch != JAMC_AT_CHAR) &&
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| 257 |
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(ch != JAMC_UNDERSCORE_CHAR) &&
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| 258 |
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(ch != JAMC_SPACE_CHAR))
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| 259 |
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{
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| 260 |
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/* this is the end of the literal ACA array */
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| 261 |
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literal_aca_array = FALSE;
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| 262 |
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}
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| 263 |
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}
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| 264 |
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| 265 |
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if ((!comment) && (!quoted_string) && (ch == JAMC_SEMICOLON_CHAR))
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| 266 |
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{
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| 267 |
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/* end of statement */
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| 268 |
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done = TRUE;
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| 269 |
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semicolon_position = position;
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| 270 |
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}
|
| 271 |
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| 272 |
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if (ch == EOF)
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| 273 |
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{
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| 274 |
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/* end of file */
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| 275 |
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done = TRUE;
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| 276 |
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status = JAMC_UNEXPECTED_END;
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| 277 |
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}
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| 278 |
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| 279 |
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if (comment &&
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| 280 |
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((ch == JAMC_NEWLINE_CHAR) || (ch == JAMC_RETURN_CHAR)))
|
| 281 |
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{
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| 282 |
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/* end of comment */
|
| 283 |
|
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comment = FALSE;
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| 284 |
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}
|
| 285 |
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else if (quoted_string && (ch == JAMC_QUOTE_CHAR) &&
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| 286 |
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(position > left_quote_position))
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| 287 |
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{
|
| 288 |
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/* end of quoted string */
|
| 289 |
|
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quoted_string = FALSE;
|
| 290 |
|
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}
|
| 291 |
|
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|
| 292 |
|
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++position; /* position of next character to be read */
|
| 293 |
|
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}
|
| 294 |
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|
| 295 |
|
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if (index < JAMC_MAX_STATEMENT_LENGTH)
|
| 296 |
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{
|
| 297 |
|
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statement_buffer[index] = JAMC_NULL_CHAR;
|
| 298 |
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}
|
| 299 |
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else
|
| 300 |
|
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{
|
| 301 |
|
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statement_buffer[JAMC_MAX_STATEMENT_LENGTH] = JAMC_NULL_CHAR;
|
| 302 |
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}
|
| 303 |
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|
| 304 |
|
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jam_current_file_position = position;
|
| 305 |
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|
| 306 |
|
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if (first_char_position != -1L)
|
| 307 |
|
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{
|
| 308 |
|
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jam_current_statement_position = first_char_position;
|
| 309 |
|
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}
|
| 310 |
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|
| 311 |
|
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if (semicolon_position != -1L)
|
| 312 |
|
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{
|
| 313 |
|
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jam_next_statement_position = semicolon_position + 1;
|
| 314 |
|
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}
|
| 315 |
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|
| 316 |
|
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return (status);
|
| 317 |
|
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}
|
| 318 |
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|
| 319 |
|
|
struct JAMS_INSTR_MAP
|
| 320 |
|
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{
|
| 321 |
|
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JAME_INSTRUCTION instruction;
|
| 322 |
|
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char string[JAMC_MAX_INSTR_LENGTH + 1];
|
| 323 |
|
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} jam_instruction_table[] =
|
| 324 |
|
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{
|
| 325 |
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{ JAM_ACTION_INSTR, "ACTION" },
|
| 326 |
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{ JAM_BOOLEAN_INSTR, "BOOLEAN" },
|
| 327 |
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{ JAM_CALL_INSTR, "CALL" },
|
| 328 |
|
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{ JAM_CRC_INSTR, "CRC" },
|
| 329 |
|
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{ JAM_DATA_INSTR, "DATA" },
|
| 330 |
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{ JAM_DRSCAN_INSTR, "DRSCAN" },
|
| 331 |
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{ JAM_DRSTOP_INSTR, "DRSTOP" },
|
| 332 |
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{ JAM_ENDDATA_INSTR, "ENDDATA" },
|
| 333 |
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{ JAM_ENDPROC_INSTR, "ENDPROC" },
|
| 334 |
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{ JAM_EXIT_INSTR, "EXIT" },
|
| 335 |
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{ JAM_EXPORT_INSTR, "EXPORT" },
|
| 336 |
|
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{ JAM_FOR_INSTR, "FOR" },
|
| 337 |
|
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{ JAM_FREQUENCY_INSTR, "FREQUENCY" },
|
| 338 |
|
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{ JAM_GOTO_INSTR, "GOTO" },
|
| 339 |
|
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{ JAM_IF_INSTR, "IF" },
|
| 340 |
|
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{ JAM_INTEGER_INSTR, "INTEGER" },
|
| 341 |
|
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{ JAM_IRSCAN_INSTR, "IRSCAN" },
|
| 342 |
|
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{ JAM_IRSTOP_INSTR, "IRSTOP" },
|
| 343 |
|
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{ JAM_LET_INSTR, "LET" },
|
| 344 |
|
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{ JAM_NEXT_INSTR, "NEXT" },
|
| 345 |
|
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{ JAM_NOTE_INSTR, "NOTE" },
|
| 346 |
|
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{ JAM_PADDING_INSTR, "PADDING" },
|
| 347 |
|
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{ JAM_POP_INSTR, "POP" },
|
| 348 |
|
|
{ JAM_POSTDR_INSTR, "POSTDR" },
|
| 349 |
|
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{ JAM_POSTIR_INSTR, "POSTIR" },
|
| 350 |
|
|
{ JAM_PREDR_INSTR, "PREDR" },
|
| 351 |
|
|
{ JAM_PREIR_INSTR, "PREIR" },
|
| 352 |
|
|
{ JAM_PRINT_INSTR, "PRINT" },
|
| 353 |
|
|
{ JAM_PROCEDURE_INSTR, "PROCEDURE" },
|
| 354 |
|
|
{ JAM_PUSH_INSTR, "PUSH" },
|
| 355 |
|
|
{ JAM_REM_INSTR, "REM" },
|
| 356 |
|
|
{ JAM_RETURN_INSTR, "RETURN" },
|
| 357 |
|
|
{ JAM_STATE_INSTR, "STATE" },
|
| 358 |
|
|
{ JAM_TRST_INSTR, "TRST" },
|
| 359 |
|
|
{ JAM_VECTOR_INSTR, "VECTOR" },
|
| 360 |
|
|
{ JAM_VMAP_INSTR, "VMAP" },
|
| 361 |
|
|
{ JAM_WAIT_INSTR, "WAIT" }
|
| 362 |
|
|
};
|
| 363 |
|
|
|
| 364 |
|
|
#define JAMC_INSTR_COUNT \
|
| 365 |
|
|
((int) (sizeof(jam_instruction_table) / sizeof(jam_instruction_table[0])))
|
| 366 |
|
|
|
| 367 |
|
|
/****************************************************************************/
|
| 368 |
|
|
/* */
|
| 369 |
|
|
|
| 370 |
|
|
JAME_INSTRUCTION jam_get_instruction
|
| 371 |
|
|
(
|
| 372 |
|
|
char *statement
|
| 373 |
|
|
)
|
| 374 |
|
|
|
| 375 |
|
|
/* */
|
| 376 |
|
|
/* Description: This function extracts the instruction name from the */
|
| 377 |
|
|
/* statement buffer and looks up the instruction code. */
|
| 378 |
|
|
/* */
|
| 379 |
|
|
/* Returns: instruction code */
|
| 380 |
|
|
/* */
|
| 381 |
|
|
/****************************************************************************/
|
| 382 |
|
|
{
|
| 383 |
|
|
int index = 0;
|
| 384 |
|
|
int instr_index = 0;
|
| 385 |
|
|
int length = 0;
|
| 386 |
|
|
BOOL done = FALSE;
|
| 387 |
|
|
JAME_INSTRUCTION instruction = JAM_ILLEGAL_INSTR;
|
| 388 |
|
|
char instr_name[JAMC_MAX_INSTR_LENGTH + 1];
|
| 389 |
|
|
|
| 390 |
|
|
/*
|
| 391 |
|
|
* Extract instruction name and convert to upper case
|
| 392 |
|
|
*/
|
| 393 |
|
|
for (index = 0; (!done) && (index < JAMC_MAX_INSTR_LENGTH); index++)
|
| 394 |
|
|
{
|
| 395 |
|
|
/* copy characters until non-alphabetic character */
|
| 396 |
|
|
if ((statement[index] >= 'A') && (statement[index] <= 'Z'))
|
| 397 |
|
|
{
|
| 398 |
|
|
instr_name[index] = statement[index];
|
| 399 |
|
|
}
|
| 400 |
|
|
else if ((statement[index] >= 'a') && (statement[index] <= 'z'))
|
| 401 |
|
|
{
|
| 402 |
|
|
/* convert to upper case */
|
| 403 |
|
|
instr_name[index] = (char) ((statement[index] - 'a') + 'A');
|
| 404 |
|
|
}
|
| 405 |
|
|
else
|
| 406 |
|
|
{
|
| 407 |
|
|
/* end of instruction name */
|
| 408 |
|
|
instr_name[index] = JAMC_NULL_CHAR;
|
| 409 |
|
|
length = index;
|
| 410 |
|
|
done = TRUE;
|
| 411 |
|
|
}
|
| 412 |
|
|
}
|
| 413 |
|
|
|
| 414 |
|
|
/*
|
| 415 |
|
|
* Search for instruction name in instruction table
|
| 416 |
|
|
*/
|
| 417 |
|
|
if (done && (length > 0))
|
| 418 |
|
|
{
|
| 419 |
|
|
done = FALSE;
|
| 420 |
|
|
|
| 421 |
|
|
for (index = 0; (!done) && (index < JAMC_INSTR_COUNT); index++)
|
| 422 |
|
|
{
|
| 423 |
|
|
done = TRUE;
|
| 424 |
|
|
|
| 425 |
|
|
for (instr_index = 0; done && (instr_index < length); instr_index++)
|
| 426 |
|
|
{
|
| 427 |
|
|
if (instr_name[instr_index] !=
|
| 428 |
|
|
jam_instruction_table[index].string[instr_index])
|
| 429 |
|
|
{
|
| 430 |
|
|
done = FALSE;
|
| 431 |
|
|
}
|
| 432 |
|
|
}
|
| 433 |
|
|
|
| 434 |
|
|
if (done &&
|
| 435 |
|
|
(jam_instruction_table[index].string[length] != '\0'))
|
| 436 |
|
|
{
|
| 437 |
|
|
done = FALSE;
|
| 438 |
|
|
}
|
| 439 |
|
|
|
| 440 |
|
|
if (done)
|
| 441 |
|
|
{
|
| 442 |
|
|
instruction = jam_instruction_table[index].instruction;
|
| 443 |
|
|
}
|
| 444 |
|
|
}
|
| 445 |
|
|
}
|
| 446 |
|
|
|
| 447 |
|
|
return (instruction);
|
| 448 |
|
|
}
|
| 449 |
|
|
|
| 450 |
|
|
/****************************************************************************/
|
| 451 |
|
|
/* */
|
| 452 |
|
|
|
| 453 |
|
|
int jam_skip_instruction_name
|
| 454 |
|
|
(
|
| 455 |
|
|
char *statement_buffer
|
| 456 |
|
|
)
|
| 457 |
|
|
|
| 458 |
|
|
/* */
|
| 459 |
|
|
/* Description: This function skips over the first "word" in the */
|
| 460 |
|
|
/* statement buffer, which is assumed to be the name of */
|
| 461 |
|
|
/* the instruction, and returns the index of the next */
|
| 462 |
|
|
/* non-white-space character in the buffer. */
|
| 463 |
|
|
/* */
|
| 464 |
|
|
/* Returns: index of statement text after instruction name */
|
| 465 |
|
|
/* */
|
| 466 |
|
|
/****************************************************************************/
|
| 467 |
|
|
{
|
| 468 |
|
|
int index = 0;
|
| 469 |
|
|
|
| 470 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 471 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 472 |
|
|
{
|
| 473 |
|
|
++index; /* skip over white space */
|
| 474 |
|
|
}
|
| 475 |
|
|
|
| 476 |
|
|
while ((jam_is_name_char(statement_buffer[index])) &&
|
| 477 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 478 |
|
|
{
|
| 479 |
|
|
++index; /* skip over instruction name */
|
| 480 |
|
|
}
|
| 481 |
|
|
|
| 482 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 483 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 484 |
|
|
{
|
| 485 |
|
|
++index; /* skip over white space */
|
| 486 |
|
|
}
|
| 487 |
|
|
|
| 488 |
|
|
return (index);
|
| 489 |
|
|
}
|
| 490 |
|
|
|
| 491 |
|
|
/****************************************************************************/
|
| 492 |
|
|
/* */
|
| 493 |
|
|
|
| 494 |
|
|
int jam_find_keyword
|
| 495 |
|
|
(
|
| 496 |
|
|
char *buffer,
|
| 497 |
|
|
char *keyword
|
| 498 |
|
|
)
|
| 499 |
|
|
|
| 500 |
|
|
/* */
|
| 501 |
|
|
/* Description: This function searches in the statement buffer for the */
|
| 502 |
|
|
/* specified keyword. */
|
| 503 |
|
|
/* */
|
| 504 |
|
|
/* Returns: index of keyword in buffer, or -1 if keyword not found */
|
| 505 |
|
|
/* */
|
| 506 |
|
|
/****************************************************************************/
|
| 507 |
|
|
{
|
| 508 |
|
|
BOOL found = FALSE;
|
| 509 |
|
|
int index = 0;
|
| 510 |
|
|
int buffer_length = jam_strlen(buffer);
|
| 511 |
|
|
int keyword_length = jam_strlen(keyword);
|
| 512 |
|
|
|
| 513 |
|
|
/* look at beginning of string */
|
| 514 |
|
|
if ((buffer[0] == keyword[0]) &&
|
| 515 |
|
|
(jam_strncmp(buffer, keyword, keyword_length) == 0) &&
|
| 516 |
|
|
(!jam_is_name_char(buffer[keyword_length])))
|
| 517 |
|
|
{
|
| 518 |
|
|
found = TRUE;
|
| 519 |
|
|
}
|
| 520 |
|
|
|
| 521 |
|
|
/* look inside string */
|
| 522 |
|
|
while ((!found) && (index + keyword_length <= buffer_length))
|
| 523 |
|
|
{
|
| 524 |
|
|
if ((buffer[index + 1] == keyword[0]) &&
|
| 525 |
|
|
(!jam_is_name_char(buffer[index])) &&
|
| 526 |
|
|
(jam_strncmp(&buffer[index + 1], keyword, keyword_length) == 0) &&
|
| 527 |
|
|
(!jam_is_name_char(buffer[index + keyword_length + 1])))
|
| 528 |
|
|
{
|
| 529 |
|
|
found = TRUE;
|
| 530 |
|
|
}
|
| 531 |
|
|
|
| 532 |
|
|
++index;
|
| 533 |
|
|
}
|
| 534 |
|
|
|
| 535 |
|
|
return (found ? index : -1);
|
| 536 |
|
|
}
|
| 537 |
|
|
|
| 538 |
|
|
/****************************************************************************/
|
| 539 |
|
|
/* */
|
| 540 |
|
|
|
| 541 |
|
|
JAM_RETURN_TYPE jam_get_array_subrange
|
| 542 |
|
|
(
|
| 543 |
|
|
JAMS_SYMBOL_RECORD *symbol_record,
|
| 544 |
|
|
char *statement_buffer,
|
| 545 |
|
|
long *start_index,
|
| 546 |
|
|
long *stop_index
|
| 547 |
|
|
)
|
| 548 |
|
|
|
| 549 |
|
|
/* */
|
| 550 |
|
|
/* Description: Gets start_index and stop_index of an array subrange */
|
| 551 |
|
|
/* specification of the form <start_index>..<stop_index> */
|
| 552 |
|
|
/* */
|
| 553 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 554 |
|
|
/* */
|
| 555 |
|
|
/****************************************************************************/
|
| 556 |
|
|
{
|
| 557 |
|
|
int index = 0;
|
| 558 |
|
|
int expr_begin = 0;
|
| 559 |
|
|
int expr_end = 0;
|
| 560 |
|
|
char save_ch = 0;
|
| 561 |
|
|
BOOL found_elipsis = FALSE;
|
| 562 |
|
|
BOOL found = FALSE;
|
| 563 |
|
|
JAM_RETURN_TYPE status = JAMC_SUCCESS;
|
| 564 |
|
|
JAME_EXPRESSION_TYPE expr_type = JAM_ILLEGAL_EXPR_TYPE;
|
| 565 |
|
|
|
| 566 |
|
|
while ((statement_buffer[index] != JAMC_NULL_CHAR) && !found_elipsis)
|
| 567 |
|
|
{
|
| 568 |
|
|
if ((statement_buffer[index] == JAMC_PERIOD_CHAR) &&
|
| 569 |
|
|
(statement_buffer[index + 1] == JAMC_PERIOD_CHAR))
|
| 570 |
|
|
{
|
| 571 |
|
|
expr_end = index;
|
| 572 |
|
|
found_elipsis = TRUE;
|
| 573 |
|
|
}
|
| 574 |
|
|
++index;
|
| 575 |
|
|
}
|
| 576 |
|
|
|
| 577 |
|
|
if (found_elipsis && (expr_end > expr_begin))
|
| 578 |
|
|
{
|
| 579 |
|
|
save_ch = statement_buffer[expr_end];
|
| 580 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 581 |
|
|
status = jam_evaluate_expression(
|
| 582 |
|
|
&statement_buffer[expr_begin], start_index, &expr_type);
|
| 583 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 584 |
|
|
|
| 585 |
|
|
/*
|
| 586 |
|
|
* Check for integer expression
|
| 587 |
|
|
*/
|
| 588 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 589 |
|
|
(expr_type != JAM_INTEGER_EXPR) &&
|
| 590 |
|
|
(expr_type != JAM_INT_OR_BOOL_EXPR))
|
| 591 |
|
|
{
|
| 592 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 593 |
|
|
}
|
| 594 |
|
|
}
|
| 595 |
|
|
else
|
| 596 |
|
|
{
|
| 597 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 598 |
|
|
}
|
| 599 |
|
|
|
| 600 |
|
|
if (status == JAMC_SUCCESS)
|
| 601 |
|
|
{
|
| 602 |
|
|
expr_begin = expr_end + 2;
|
| 603 |
|
|
|
| 604 |
|
|
status = jam_evaluate_expression(
|
| 605 |
|
|
&statement_buffer[expr_begin], stop_index, &expr_type);
|
| 606 |
|
|
|
| 607 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 608 |
|
|
(expr_type != JAM_INTEGER_EXPR) &&
|
| 609 |
|
|
(expr_type != JAM_INT_OR_BOOL_EXPR))
|
| 610 |
|
|
{
|
| 611 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 612 |
|
|
}
|
| 613 |
|
|
else
|
| 614 |
|
|
{
|
| 615 |
|
|
found = TRUE;
|
| 616 |
|
|
}
|
| 617 |
|
|
}
|
| 618 |
|
|
|
| 619 |
|
|
if ((status == JAMC_SUCCESS) && (!found))
|
| 620 |
|
|
{
|
| 621 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 622 |
|
|
}
|
| 623 |
|
|
|
| 624 |
|
|
if ((jam_version == 2) && (!found_elipsis) && (symbol_record != NULL))
|
| 625 |
|
|
{
|
| 626 |
|
|
/* if there is nothing between the brackets, select the entire array */
|
| 627 |
|
|
index = 0;
|
| 628 |
|
|
|
| 629 |
|
|
while (jam_isspace(statement_buffer[index])) ++index;
|
| 630 |
|
|
|
| 631 |
|
|
if (statement_buffer[index] == JAMC_NULL_CHAR)
|
| 632 |
|
|
{
|
| 633 |
|
|
JAMS_HEAP_RECORD *heap_record =
|
| 634 |
|
|
(JAMS_HEAP_RECORD *) symbol_record->value;
|
| 635 |
|
|
|
| 636 |
|
|
if (heap_record == NULL)
|
| 637 |
|
|
{
|
| 638 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 639 |
|
|
}
|
| 640 |
|
|
else
|
| 641 |
|
|
{
|
| 642 |
|
|
*start_index = heap_record->dimension - 1;
|
| 643 |
|
|
*stop_index = 0;
|
| 644 |
|
|
status = JAMC_SUCCESS;
|
| 645 |
|
|
}
|
| 646 |
|
|
}
|
| 647 |
|
|
}
|
| 648 |
|
|
|
| 649 |
|
|
if ((status == JAMC_SUCCESS) && (jam_version == 2))
|
| 650 |
|
|
{
|
| 651 |
|
|
/* for Jam 2.0, swap the start and stop indices */
|
| 652 |
|
|
long temp = *start_index;
|
| 653 |
|
|
*start_index = *stop_index;
|
| 654 |
|
|
*stop_index = temp;
|
| 655 |
|
|
}
|
| 656 |
|
|
|
| 657 |
|
|
return (status);
|
| 658 |
|
|
}
|
| 659 |
|
|
|
| 660 |
|
|
/****************************************************************************/
|
| 661 |
|
|
/* */
|
| 662 |
|
|
|
| 663 |
|
|
JAM_RETURN_TYPE jam_convert_literal_binary
|
| 664 |
|
|
(
|
| 665 |
|
|
char *statement_buffer,
|
| 666 |
|
|
long **output_buffer,
|
| 667 |
|
|
long *length,
|
| 668 |
|
|
int arg
|
| 669 |
|
|
)
|
| 670 |
|
|
|
| 671 |
|
|
/* */
|
| 672 |
|
|
/* Description: converts BINARY string in statement buffer into binary */
|
| 673 |
|
|
/* values. Stores binary result back into the buffer, */
|
| 674 |
|
|
/* overwriting the input text. */
|
| 675 |
|
|
/* */
|
| 676 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 677 |
|
|
/* */
|
| 678 |
|
|
/****************************************************************************/
|
| 679 |
|
|
{
|
| 680 |
|
|
int in_index = 0;
|
| 681 |
|
|
int out_index = 0;
|
| 682 |
|
|
int rev_index = 0;
|
| 683 |
|
|
int i = 0;
|
| 684 |
|
|
int j = 0;
|
| 685 |
|
|
char ch = 0;
|
| 686 |
|
|
int data = 0;
|
| 687 |
|
|
long *long_ptr = NULL;
|
| 688 |
|
|
JAM_RETURN_TYPE status = JAMC_SUCCESS;
|
| 689 |
|
|
|
| 690 |
|
|
while ((status == JAMC_SUCCESS) &&
|
| 691 |
|
|
((ch = statement_buffer[in_index]) != '\0'))
|
| 692 |
|
|
{
|
| 693 |
|
|
if ((ch == '0') || (ch == '1'))
|
| 694 |
|
|
{
|
| 695 |
|
|
data = (int) (ch - '0');
|
| 696 |
|
|
}
|
| 697 |
|
|
else
|
| 698 |
|
|
{
|
| 699 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 700 |
|
|
}
|
| 701 |
|
|
|
| 702 |
|
|
if (status == JAMC_SUCCESS)
|
| 703 |
|
|
{
|
| 704 |
|
|
if ((in_index & 7) == 0)
|
| 705 |
|
|
{
|
| 706 |
|
|
statement_buffer[out_index] = 0;
|
| 707 |
|
|
}
|
| 708 |
|
|
|
| 709 |
|
|
if (data)
|
| 710 |
|
|
{
|
| 711 |
|
|
statement_buffer[out_index] |= (1 << (in_index & 7));
|
| 712 |
|
|
}
|
| 713 |
|
|
|
| 714 |
|
|
if ((in_index & 7) == 7)
|
| 715 |
|
|
{
|
| 716 |
|
|
++out_index;
|
| 717 |
|
|
}
|
| 718 |
|
|
}
|
| 719 |
|
|
|
| 720 |
|
|
++in_index;
|
| 721 |
|
|
}
|
| 722 |
|
|
|
| 723 |
|
|
if (status == JAMC_SUCCESS)
|
| 724 |
|
|
{
|
| 725 |
|
|
*length = (long) in_index;
|
| 726 |
|
|
|
| 727 |
|
|
/* reverse the order of binary data */
|
| 728 |
|
|
rev_index = in_index / 2;
|
| 729 |
|
|
while (rev_index > 0)
|
| 730 |
|
|
{
|
| 731 |
|
|
data = (statement_buffer[(rev_index - 1) >> 3] &
|
| 732 |
|
|
(1 << ((rev_index - 1) & 7)));
|
| 733 |
|
|
|
| 734 |
|
|
if (statement_buffer[(in_index - rev_index) >> 3] &
|
| 735 |
|
|
(1 << ((in_index - rev_index) & 7)))
|
| 736 |
|
|
{
|
| 737 |
|
|
statement_buffer[(rev_index - 1) >> 3] |=
|
| 738 |
|
|
(1 << ((rev_index - 1) & 7));
|
| 739 |
|
|
}
|
| 740 |
|
|
else
|
| 741 |
|
|
{
|
| 742 |
|
|
statement_buffer[(rev_index - 1) >> 3] &=
|
| 743 |
|
|
~(1 << ((rev_index - 1) & 7));
|
| 744 |
|
|
}
|
| 745 |
|
|
|
| 746 |
|
|
if (data)
|
| 747 |
|
|
{
|
| 748 |
|
|
statement_buffer[(in_index - rev_index) >> 3] |=
|
| 749 |
|
|
(1 << ((in_index - rev_index) & 7));
|
| 750 |
|
|
}
|
| 751 |
|
|
else
|
| 752 |
|
|
{
|
| 753 |
|
|
statement_buffer[(in_index - rev_index) >> 3] &=
|
| 754 |
|
|
~(1 << ((in_index - rev_index) & 7));
|
| 755 |
|
|
}
|
| 756 |
|
|
|
| 757 |
|
|
--rev_index;
|
| 758 |
|
|
}
|
| 759 |
|
|
|
| 760 |
|
|
out_index = (in_index + 7) / 8; /* number of bytes */
|
| 761 |
|
|
rev_index = (out_index + 3) / 4; /* number of longs */
|
| 762 |
|
|
|
| 763 |
|
|
if (rev_index > 1)
|
| 764 |
|
|
{
|
| 765 |
|
|
long_ptr = (long *) (((long) statement_buffer) & 0xfffffffcL);
|
| 766 |
|
|
}
|
| 767 |
|
|
else if (arg < JAMC_MAX_LITERAL_ARRAYS)
|
| 768 |
|
|
{
|
| 769 |
|
|
long_ptr = &jam_literal_array_buffer[arg];
|
| 770 |
|
|
}
|
| 771 |
|
|
else
|
| 772 |
|
|
{
|
| 773 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 774 |
|
|
}
|
| 775 |
|
|
}
|
| 776 |
|
|
|
| 777 |
|
|
if (status == JAMC_SUCCESS)
|
| 778 |
|
|
{
|
| 779 |
|
|
for (i = 0; i < rev_index; ++i)
|
| 780 |
|
|
{
|
| 781 |
|
|
j = i * 4;
|
| 782 |
|
|
long_ptr[i] = (
|
| 783 |
|
|
(((long)statement_buffer[j + 3] << 24L) & 0xff000000L) |
|
| 784 |
|
|
(((long)statement_buffer[j + 2] << 16L) & 0x00ff0000L) |
|
| 785 |
|
|
(((long)statement_buffer[j + 1] << 8L) & 0x0000ff00L) |
|
| 786 |
|
|
(((long)statement_buffer[j ] ) & 0x000000ffL));
|
| 787 |
|
|
}
|
| 788 |
|
|
|
| 789 |
|
|
if (output_buffer != NULL) *output_buffer = long_ptr;
|
| 790 |
|
|
}
|
| 791 |
|
|
|
| 792 |
|
|
return (status);
|
| 793 |
|
|
}
|
| 794 |
|
|
|
| 795 |
|
|
/****************************************************************************/
|
| 796 |
|
|
/* */
|
| 797 |
|
|
|
| 798 |
|
|
JAM_RETURN_TYPE jam_convert_literal_array
|
| 799 |
|
|
(
|
| 800 |
|
|
char *statement_buffer,
|
| 801 |
|
|
long **output_buffer,
|
| 802 |
|
|
long *length,
|
| 803 |
|
|
int arg
|
| 804 |
|
|
)
|
| 805 |
|
|
|
| 806 |
|
|
/* */
|
| 807 |
|
|
/* Description: converts HEX string in statement buffer into binary */
|
| 808 |
|
|
/* values. Stores binary result back into the buffer, */
|
| 809 |
|
|
/* overwriting the input text. */
|
| 810 |
|
|
/* */
|
| 811 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 812 |
|
|
/* */
|
| 813 |
|
|
/****************************************************************************/
|
| 814 |
|
|
{
|
| 815 |
|
|
int in_index = 0;
|
| 816 |
|
|
int out_index = 0;
|
| 817 |
|
|
int rev_index = 0;
|
| 818 |
|
|
int i = 0;
|
| 819 |
|
|
int j = 0;
|
| 820 |
|
|
char ch = 0;
|
| 821 |
|
|
int data = 0;
|
| 822 |
|
|
long *long_ptr = NULL;
|
| 823 |
|
|
JAM_RETURN_TYPE status = JAMC_SUCCESS;
|
| 824 |
|
|
|
| 825 |
|
|
while ((status == JAMC_SUCCESS) &&
|
| 826 |
|
|
((ch = statement_buffer[in_index]) != '\0'))
|
| 827 |
|
|
{
|
| 828 |
|
|
if ((ch >= 'A') && (ch <= 'F'))
|
| 829 |
|
|
{
|
| 830 |
|
|
data = (int) (ch + 10 - 'A');
|
| 831 |
|
|
}
|
| 832 |
|
|
else if ((ch >= 'a') && (ch <= 'f'))
|
| 833 |
|
|
{
|
| 834 |
|
|
data = (int) (ch + 10 - 'a');
|
| 835 |
|
|
}
|
| 836 |
|
|
else if ((ch >= '0') && (ch <= '9'))
|
| 837 |
|
|
{
|
| 838 |
|
|
data = (int) (ch - '0');
|
| 839 |
|
|
}
|
| 840 |
|
|
else
|
| 841 |
|
|
{
|
| 842 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 843 |
|
|
}
|
| 844 |
|
|
|
| 845 |
|
|
if (status == JAMC_SUCCESS)
|
| 846 |
|
|
{
|
| 847 |
|
|
if (in_index & 1)
|
| 848 |
|
|
{
|
| 849 |
|
|
/* odd nibble is lower nibble */
|
| 850 |
|
|
data |= (statement_buffer[out_index] & 0xf0);
|
| 851 |
|
|
statement_buffer[out_index] = (char) data;
|
| 852 |
|
|
++out_index;
|
| 853 |
|
|
}
|
| 854 |
|
|
else
|
| 855 |
|
|
{
|
| 856 |
|
|
/* even nibble is upper nibble */
|
| 857 |
|
|
statement_buffer[out_index] = (char) (data << 4);
|
| 858 |
|
|
}
|
| 859 |
|
|
}
|
| 860 |
|
|
|
| 861 |
|
|
++in_index;
|
| 862 |
|
|
}
|
| 863 |
|
|
|
| 864 |
|
|
if (status == JAMC_SUCCESS)
|
| 865 |
|
|
{
|
| 866 |
|
|
*length = (long) in_index * 4L;
|
| 867 |
|
|
|
| 868 |
|
|
if (in_index & 1)
|
| 869 |
|
|
{
|
| 870 |
|
|
/* odd number of nibbles - do a nibble-shift */
|
| 871 |
|
|
out_index = in_index / 2;
|
| 872 |
|
|
while (out_index > 0)
|
| 873 |
|
|
{
|
| 874 |
|
|
statement_buffer[out_index] = (char)
|
| 875 |
|
|
(((statement_buffer[out_index - 1] & 0x0f) << 4) |
|
| 876 |
|
|
((statement_buffer[out_index] & 0xf0) >> 4));
|
| 877 |
|
|
--out_index;
|
| 878 |
|
|
}
|
| 879 |
|
|
statement_buffer[0] = (char) ((statement_buffer[0] & 0xf0) >> 4);
|
| 880 |
|
|
++in_index;
|
| 881 |
|
|
}
|
| 882 |
|
|
|
| 883 |
|
|
/* reverse the order of binary data */
|
| 884 |
|
|
out_index = in_index / 2; /* number of bytes */
|
| 885 |
|
|
rev_index = out_index / 2;
|
| 886 |
|
|
while (rev_index > 0)
|
| 887 |
|
|
{
|
| 888 |
|
|
ch = statement_buffer[rev_index - 1];
|
| 889 |
|
|
statement_buffer[rev_index - 1] =
|
| 890 |
|
|
statement_buffer[out_index - rev_index];
|
| 891 |
|
|
statement_buffer[out_index - rev_index] = ch;
|
| 892 |
|
|
--rev_index;
|
| 893 |
|
|
}
|
| 894 |
|
|
|
| 895 |
|
|
out_index = (in_index + 1) / 2; /* number of bytes */
|
| 896 |
|
|
rev_index = (out_index + 3) / 4; /* number of longs */
|
| 897 |
|
|
|
| 898 |
|
|
if (rev_index > 1)
|
| 899 |
|
|
{
|
| 900 |
|
|
long_ptr = (long *) (((long) statement_buffer) & 0xfffffffcL);
|
| 901 |
|
|
}
|
| 902 |
|
|
else if (arg < JAMC_MAX_LITERAL_ARRAYS)
|
| 903 |
|
|
{
|
| 904 |
|
|
long_ptr = &jam_literal_array_buffer[arg];
|
| 905 |
|
|
}
|
| 906 |
|
|
else
|
| 907 |
|
|
{
|
| 908 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 909 |
|
|
}
|
| 910 |
|
|
}
|
| 911 |
|
|
|
| 912 |
|
|
if (status == JAMC_SUCCESS)
|
| 913 |
|
|
{
|
| 914 |
|
|
for (i = 0; i < rev_index; ++i)
|
| 915 |
|
|
{
|
| 916 |
|
|
j = i * 4;
|
| 917 |
|
|
long_ptr[i] = (
|
| 918 |
|
|
(((long)statement_buffer[j + 3] << 24L) & 0xff000000L) |
|
| 919 |
|
|
(((long)statement_buffer[j + 2] << 16L) & 0x00ff0000L) |
|
| 920 |
|
|
(((long)statement_buffer[j + 1] << 8L) & 0x0000ff00L) |
|
| 921 |
|
|
(((long)statement_buffer[j ] ) & 0x000000ffL));
|
| 922 |
|
|
}
|
| 923 |
|
|
|
| 924 |
|
|
if (output_buffer != NULL) *output_buffer = long_ptr;
|
| 925 |
|
|
}
|
| 926 |
|
|
|
| 927 |
|
|
return (status);
|
| 928 |
|
|
}
|
| 929 |
|
|
|
| 930 |
|
|
/****************************************************************************/
|
| 931 |
|
|
/* */
|
| 932 |
|
|
|
| 933 |
|
|
JAM_RETURN_TYPE jam_convert_literal_aca
|
| 934 |
|
|
(
|
| 935 |
|
|
char *statement_buffer,
|
| 936 |
|
|
long **output_buffer,
|
| 937 |
|
|
long *length,
|
| 938 |
|
|
int arg
|
| 939 |
|
|
)
|
| 940 |
|
|
/* */
|
| 941 |
|
|
/* Description: Uncompress ASCII ACA data in "statement buffer". */
|
| 942 |
|
|
/* Store resulting uncompressed literal data in global var */
|
| 943 |
|
|
/* jam_literal_aca_buffer */
|
| 944 |
|
|
/* */
|
| 945 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error */
|
| 946 |
|
|
/* */
|
| 947 |
|
|
/****************************************************************************/
|
| 948 |
|
|
{
|
| 949 |
|
|
int bit = 0;
|
| 950 |
|
|
int value = 0;
|
| 951 |
|
|
int index = 0;
|
| 952 |
|
|
int index2 = 0;
|
| 953 |
|
|
int i = 0;
|
| 954 |
|
|
int j = 0;
|
| 955 |
|
|
int long_count = 0;
|
| 956 |
|
|
long binary_compressed_length = 0L;
|
| 957 |
|
|
long uncompressed_length = 0L;
|
| 958 |
|
|
char *buffer = NULL;
|
| 959 |
|
|
long *long_ptr = NULL;
|
| 960 |
|
|
long out_size = 0L;
|
| 961 |
|
|
long address = 0L;
|
| 962 |
|
|
JAM_RETURN_TYPE status = JAMC_SUCCESS;
|
| 963 |
|
|
|
| 964 |
|
|
if ((arg < 0) || (arg >= JAMC_MAX_LITERAL_ARRAYS))
|
| 965 |
|
|
{
|
| 966 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 967 |
|
|
}
|
| 968 |
|
|
|
| 969 |
|
|
/* remove all white space */
|
| 970 |
|
|
while (statement_buffer[index] != JAMC_NULL_CHAR)
|
| 971 |
|
|
{
|
| 972 |
|
|
if ((!jam_isspace(statement_buffer[index])) &&
|
| 973 |
|
|
(statement_buffer[index] != JAMC_TAB_CHAR) &&
|
| 974 |
|
|
(statement_buffer[index] != JAMC_RETURN_CHAR) &&
|
| 975 |
|
|
(statement_buffer[index] != JAMC_NEWLINE_CHAR))
|
| 976 |
|
|
{
|
| 977 |
|
|
statement_buffer[index2] = statement_buffer[index];
|
| 978 |
|
|
++index2;
|
| 979 |
|
|
}
|
| 980 |
|
|
++index;
|
| 981 |
|
|
}
|
| 982 |
|
|
statement_buffer[index2] = JAMC_NULL_CHAR;
|
| 983 |
|
|
|
| 984 |
|
|
/* convert 6-bit encoded characters to binary -- in the same buffer */
|
| 985 |
|
|
index = 0;
|
| 986 |
|
|
while ((status == JAMC_SUCCESS) &&
|
| 987 |
|
|
(jam_isalnum(statement_buffer[index]) ||
|
| 988 |
|
|
(statement_buffer[index] == JAMC_AT_CHAR) ||
|
| 989 |
|
|
(statement_buffer[index] == JAMC_UNDERSCORE_CHAR)))
|
| 990 |
|
|
{
|
| 991 |
|
|
value = jam_6bit_char(statement_buffer[index]);
|
| 992 |
|
|
statement_buffer[index] = 0;
|
| 993 |
|
|
|
| 994 |
|
|
if (value == -1)
|
| 995 |
|
|
{
|
| 996 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 997 |
|
|
}
|
| 998 |
|
|
else
|
| 999 |
|
|
{
|
| 1000 |
|
|
for (bit = 0; bit < 6; ++bit)
|
| 1001 |
|
|
{
|
| 1002 |
|
|
if (value & (1 << (bit % 6)))
|
| 1003 |
|
|
{
|
| 1004 |
|
|
statement_buffer[address >> 3] |= (1L << (address & 7));
|
| 1005 |
|
|
}
|
| 1006 |
|
|
else
|
| 1007 |
|
|
{
|
| 1008 |
|
|
statement_buffer[address >> 3] &=
|
| 1009 |
|
|
~(unsigned int) (1 << (address & 7));
|
| 1010 |
|
|
}
|
| 1011 |
|
|
++address;
|
| 1012 |
|
|
}
|
| 1013 |
|
|
}
|
| 1014 |
|
|
|
| 1015 |
|
|
++index;
|
| 1016 |
|
|
}
|
| 1017 |
|
|
|
| 1018 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 1019 |
|
|
(statement_buffer[index] != JAMC_NULL_CHAR))
|
| 1020 |
|
|
{
|
| 1021 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 1022 |
|
|
}
|
| 1023 |
|
|
|
| 1024 |
|
|
/* Compute length of binary data string in statement_buffer */
|
| 1025 |
|
|
binary_compressed_length = (address >> 3) + ((address & 7) ? 1 : 0);
|
| 1026 |
|
|
|
| 1027 |
|
|
/* Get uncompressed length from first DWORD of compressed data */
|
| 1028 |
|
|
uncompressed_length = (
|
| 1029 |
|
|
(((long)statement_buffer[3] << 24L) & 0xff000000L) |
|
| 1030 |
|
|
(((long)statement_buffer[2] << 16L) & 0x00ff0000L) |
|
| 1031 |
|
|
(((long)statement_buffer[1] << 8L) & 0x0000ff00L) |
|
| 1032 |
|
|
(((long)statement_buffer[0] ) & 0x000000ffL));
|
| 1033 |
|
|
|
| 1034 |
|
|
/* Allocate memory for literal binary data */
|
| 1035 |
|
|
if (status == JAMC_SUCCESS)
|
| 1036 |
|
|
{
|
| 1037 |
|
|
#if PORT==DOS
|
| 1038 |
|
|
if ((uncompressed_length + 4) < 0x10000L)
|
| 1039 |
|
|
{
|
| 1040 |
|
|
buffer = jam_malloc((unsigned int) (uncompressed_length + 4));
|
| 1041 |
|
|
long_ptr = (long *) jam_malloc((unsigned int) (uncompressed_length + 4));
|
| 1042 |
|
|
}
|
| 1043 |
|
|
#else
|
| 1044 |
|
|
buffer = jam_malloc(uncompressed_length + 4);
|
| 1045 |
|
|
long_ptr = (long *) jam_malloc(uncompressed_length + 4);
|
| 1046 |
|
|
#endif
|
| 1047 |
|
|
|
| 1048 |
|
|
if ((buffer == NULL) || (long_ptr == NULL))
|
| 1049 |
|
|
{
|
| 1050 |
|
|
status = JAMC_OUT_OF_MEMORY;
|
| 1051 |
|
|
}
|
| 1052 |
|
|
}
|
| 1053 |
|
|
|
| 1054 |
|
|
/* Uncompress encoded binary into literal binary data */
|
| 1055 |
|
|
out_size = jam_uncompress(
|
| 1056 |
|
|
statement_buffer,
|
| 1057 |
|
|
binary_compressed_length,
|
| 1058 |
|
|
buffer,
|
| 1059 |
|
|
uncompressed_length,
|
| 1060 |
|
|
jam_version);
|
| 1061 |
|
|
|
| 1062 |
|
|
if (out_size != uncompressed_length)
|
| 1063 |
|
|
{
|
| 1064 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 1065 |
|
|
}
|
| 1066 |
|
|
|
| 1067 |
|
|
if (status == JAMC_SUCCESS)
|
| 1068 |
|
|
{
|
| 1069 |
|
|
/*
|
| 1070 |
|
|
* Convert uncompressed data to array of long integers
|
| 1071 |
|
|
*/
|
| 1072 |
|
|
long_count = (out_size + 3) / 4; /* number of longs */
|
| 1073 |
|
|
|
| 1074 |
|
|
for (i = 0; i < long_count; ++i)
|
| 1075 |
|
|
{
|
| 1076 |
|
|
j = i * 4;
|
| 1077 |
|
|
long_ptr[i] = (
|
| 1078 |
|
|
(((long)buffer[j + 3] << 24L) & 0xff000000L) |
|
| 1079 |
|
|
(((long)buffer[j + 2] << 16L) & 0x00ff0000L) |
|
| 1080 |
|
|
(((long)buffer[j + 1] << 8L) & 0x0000ff00L) |
|
| 1081 |
|
|
(((long)buffer[j ] ) & 0x000000ffL));
|
| 1082 |
|
|
}
|
| 1083 |
|
|
|
| 1084 |
|
|
jam_literal_aca_buffer[arg] = long_ptr;
|
| 1085 |
|
|
|
| 1086 |
|
|
if (output_buffer != NULL) *output_buffer = long_ptr;
|
| 1087 |
|
|
|
| 1088 |
|
|
if (length != NULL) *length = uncompressed_length * 8L;
|
| 1089 |
|
|
}
|
| 1090 |
|
|
|
| 1091 |
|
|
if (buffer != NULL) jam_free(buffer);
|
| 1092 |
|
|
|
| 1093 |
|
|
/* jam_literal_aca_buffer[arg] will be freed later */
|
| 1094 |
|
|
|
| 1095 |
|
|
return (status);
|
| 1096 |
|
|
}
|
| 1097 |
|
|
|
| 1098 |
|
|
/****************************************************************************/
|
| 1099 |
|
|
/* */
|
| 1100 |
|
|
|
| 1101 |
|
|
JAM_RETURN_TYPE jam_get_array_argument
|
| 1102 |
|
|
(
|
| 1103 |
|
|
char *statement_buffer,
|
| 1104 |
|
|
JAMS_SYMBOL_RECORD **symbol_record,
|
| 1105 |
|
|
long **literal_array_data,
|
| 1106 |
|
|
long *start_index,
|
| 1107 |
|
|
long *stop_index,
|
| 1108 |
|
|
int arg
|
| 1109 |
|
|
)
|
| 1110 |
|
|
|
| 1111 |
|
|
/* */
|
| 1112 |
|
|
/* Description: Looks for a sub-range-indexed array argument in the */
|
| 1113 |
|
|
/* statement buffer. Calls expression parser to evaluate */
|
| 1114 |
|
|
/* the start_index and end_index arguments. */
|
| 1115 |
|
|
/* */
|
| 1116 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 1117 |
|
|
/* */
|
| 1118 |
|
|
/****************************************************************************/
|
| 1119 |
|
|
{
|
| 1120 |
|
|
int index = 0;
|
| 1121 |
|
|
int expr_begin = 0;
|
| 1122 |
|
|
int expr_end = 0;
|
| 1123 |
|
|
int bracket_count = 0;
|
| 1124 |
|
|
long literal_array_length = 0;
|
| 1125 |
|
|
char save_ch = 0;
|
| 1126 |
|
|
JAMS_SYMBOL_RECORD *tmp_symbol_rec = NULL;
|
| 1127 |
|
|
JAMS_HEAP_RECORD *heap_record = NULL;
|
| 1128 |
|
|
JAME_EXPRESSION_TYPE expr_type = JAM_ILLEGAL_EXPR_TYPE;
|
| 1129 |
|
|
JAM_RETURN_TYPE status = JAMC_SUCCESS;
|
| 1130 |
|
|
|
| 1131 |
|
|
/* first look for literal array constant */
|
| 1132 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 1133 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 1134 |
|
|
{
|
| 1135 |
|
|
++index; /* skip over white space */
|
| 1136 |
|
|
}
|
| 1137 |
|
|
|
| 1138 |
|
|
if ((jam_version == 2) && (statement_buffer[index] == JAMC_POUND_CHAR))
|
| 1139 |
|
|
{
|
| 1140 |
|
|
/* literal array, binary representation */
|
| 1141 |
|
|
*symbol_record = NULL;
|
| 1142 |
|
|
++index;
|
| 1143 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 1144 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 1145 |
|
|
{
|
| 1146 |
|
|
++index; /* skip over white space */
|
| 1147 |
|
|
}
|
| 1148 |
|
|
expr_begin = index;
|
| 1149 |
|
|
|
| 1150 |
|
|
while ((statement_buffer[index] != JAMC_NULL_CHAR) &&
|
| 1151 |
|
|
(statement_buffer[index] != JAMC_COMMA_CHAR) &&
|
| 1152 |
|
|
(statement_buffer[index] != JAMC_SEMICOLON_CHAR) &&
|
| 1153 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 1154 |
|
|
{
|
| 1155 |
|
|
++index;
|
| 1156 |
|
|
}
|
| 1157 |
|
|
while ((index > expr_begin) && jam_isspace(statement_buffer[index - 1]))
|
| 1158 |
|
|
{
|
| 1159 |
|
|
--index;
|
| 1160 |
|
|
}
|
| 1161 |
|
|
expr_end = index;
|
| 1162 |
|
|
save_ch = statement_buffer[expr_end];
|
| 1163 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 1164 |
|
|
status = jam_convert_literal_binary(&statement_buffer[expr_begin],
|
| 1165 |
|
|
literal_array_data, &literal_array_length, arg);
|
| 1166 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 1167 |
|
|
|
| 1168 |
|
|
*start_index = 0L;
|
| 1169 |
|
|
*stop_index = literal_array_length - 1;
|
| 1170 |
|
|
}
|
| 1171 |
|
|
else if ((jam_version == 2) &&
|
| 1172 |
|
|
(statement_buffer[index] == JAMC_DOLLAR_CHAR))
|
| 1173 |
|
|
{
|
| 1174 |
|
|
/* literal array, hex representation */
|
| 1175 |
|
|
*symbol_record = NULL;
|
| 1176 |
|
|
++index;
|
| 1177 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 1178 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 1179 |
|
|
{
|
| 1180 |
|
|
++index; /* skip over white space */
|
| 1181 |
|
|
}
|
| 1182 |
|
|
expr_begin = index;
|
| 1183 |
|
|
|
| 1184 |
|
|
while ((statement_buffer[index] != JAMC_NULL_CHAR) &&
|
| 1185 |
|
|
(statement_buffer[index] != JAMC_COMMA_CHAR) &&
|
| 1186 |
|
|
(statement_buffer[index] != JAMC_SEMICOLON_CHAR) &&
|
| 1187 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 1188 |
|
|
{
|
| 1189 |
|
|
++index;
|
| 1190 |
|
|
}
|
| 1191 |
|
|
while ((index > expr_begin) && jam_isspace(statement_buffer[index - 1]))
|
| 1192 |
|
|
{
|
| 1193 |
|
|
--index;
|
| 1194 |
|
|
}
|
| 1195 |
|
|
expr_end = index;
|
| 1196 |
|
|
save_ch = statement_buffer[expr_end];
|
| 1197 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 1198 |
|
|
status = jam_convert_literal_array(&statement_buffer[expr_begin],
|
| 1199 |
|
|
literal_array_data, &literal_array_length, arg);
|
| 1200 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 1201 |
|
|
|
| 1202 |
|
|
*start_index = 0L;
|
| 1203 |
|
|
*stop_index = literal_array_length - 1;
|
| 1204 |
|
|
}
|
| 1205 |
|
|
else if ((jam_version == 2) && (statement_buffer[index] == JAMC_AT_CHAR))
|
| 1206 |
|
|
{
|
| 1207 |
|
|
/* literal array, ACA representation */
|
| 1208 |
|
|
*symbol_record = NULL;
|
| 1209 |
|
|
++index;
|
| 1210 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 1211 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 1212 |
|
|
{
|
| 1213 |
|
|
++index; /* skip over white space */
|
| 1214 |
|
|
}
|
| 1215 |
|
|
expr_begin = index;
|
| 1216 |
|
|
|
| 1217 |
|
|
while ((statement_buffer[index] != JAMC_NULL_CHAR) &&
|
| 1218 |
|
|
(statement_buffer[index] != JAMC_COMMA_CHAR) &&
|
| 1219 |
|
|
(statement_buffer[index] != JAMC_SEMICOLON_CHAR) &&
|
| 1220 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 1221 |
|
|
{
|
| 1222 |
|
|
++index;
|
| 1223 |
|
|
}
|
| 1224 |
|
|
while ((index > expr_begin) && jam_isspace(statement_buffer[index - 1]))
|
| 1225 |
|
|
{
|
| 1226 |
|
|
--index;
|
| 1227 |
|
|
}
|
| 1228 |
|
|
expr_end = index;
|
| 1229 |
|
|
save_ch = statement_buffer[expr_end];
|
| 1230 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 1231 |
|
|
status = jam_convert_literal_aca(&statement_buffer[expr_begin],
|
| 1232 |
|
|
literal_array_data, &literal_array_length, arg);
|
| 1233 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 1234 |
|
|
|
| 1235 |
|
|
*start_index = 0L;
|
| 1236 |
|
|
*stop_index = literal_array_length - 1;
|
| 1237 |
|
|
}
|
| 1238 |
|
|
else if ((jam_version == 2) &&
|
| 1239 |
|
|
(jam_strncmp(&statement_buffer[index], "BOOL(", 5) == 0))
|
| 1240 |
|
|
{
|
| 1241 |
|
|
/*
|
| 1242 |
|
|
* Convert integer expression to Boolean array
|
| 1243 |
|
|
*/
|
| 1244 |
|
|
expr_begin = index + 4;
|
| 1245 |
|
|
while ((statement_buffer[index] != JAMC_NULL_CHAR) &&
|
| 1246 |
|
|
(statement_buffer[index] != JAMC_COMMA_CHAR) &&
|
| 1247 |
|
|
(statement_buffer[index] != JAMC_SEMICOLON_CHAR) &&
|
| 1248 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 1249 |
|
|
{
|
| 1250 |
|
|
++index;
|
| 1251 |
|
|
}
|
| 1252 |
|
|
|
| 1253 |
|
|
expr_end = index;
|
| 1254 |
|
|
++index;
|
| 1255 |
|
|
|
| 1256 |
|
|
if (expr_end > expr_begin)
|
| 1257 |
|
|
{
|
| 1258 |
|
|
save_ch = statement_buffer[expr_end];
|
| 1259 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 1260 |
|
|
status = jam_evaluate_expression(
|
| 1261 |
|
|
&statement_buffer[expr_begin],
|
| 1262 |
|
|
&jam_literal_array_buffer[arg],
|
| 1263 |
|
|
&expr_type);
|
| 1264 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 1265 |
|
|
}
|
| 1266 |
|
|
|
| 1267 |
|
|
/*
|
| 1268 |
|
|
* Check for integer expression
|
| 1269 |
|
|
*/
|
| 1270 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 1271 |
|
|
(expr_type != JAM_INTEGER_EXPR) &&
|
| 1272 |
|
|
(expr_type != JAM_INT_OR_BOOL_EXPR))
|
| 1273 |
|
|
{
|
| 1274 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 1275 |
|
|
}
|
| 1276 |
|
|
|
| 1277 |
|
|
if (status == JAMC_SUCCESS)
|
| 1278 |
|
|
{
|
| 1279 |
|
|
*symbol_record = NULL;
|
| 1280 |
|
|
*literal_array_data = &jam_literal_array_buffer[arg];
|
| 1281 |
|
|
*start_index = 0L;
|
| 1282 |
|
|
*stop_index = 31L;
|
| 1283 |
|
|
}
|
| 1284 |
|
|
}
|
| 1285 |
|
|
else if ((jam_version != 2) && (jam_isdigit(statement_buffer[index])))
|
| 1286 |
|
|
{
|
| 1287 |
|
|
/* it is a literal array constant */
|
| 1288 |
|
|
*symbol_record = NULL;
|
| 1289 |
|
|
expr_begin = index;
|
| 1290 |
|
|
|
| 1291 |
|
|
while ((statement_buffer[index] != JAMC_NULL_CHAR) &&
|
| 1292 |
|
|
(statement_buffer[index] != JAMC_COMMA_CHAR) &&
|
| 1293 |
|
|
(statement_buffer[index] != JAMC_SEMICOLON_CHAR) &&
|
| 1294 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 1295 |
|
|
{
|
| 1296 |
|
|
++index;
|
| 1297 |
|
|
}
|
| 1298 |
|
|
while ((index > expr_begin) && jam_isspace(statement_buffer[index - 1]))
|
| 1299 |
|
|
{
|
| 1300 |
|
|
--index;
|
| 1301 |
|
|
}
|
| 1302 |
|
|
expr_end = index;
|
| 1303 |
|
|
save_ch = statement_buffer[expr_end];
|
| 1304 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 1305 |
|
|
status = jam_convert_literal_array(&statement_buffer[expr_begin],
|
| 1306 |
|
|
literal_array_data, &literal_array_length, arg);
|
| 1307 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 1308 |
|
|
|
| 1309 |
|
|
*start_index = 0L;
|
| 1310 |
|
|
*stop_index = literal_array_length - 1;
|
| 1311 |
|
|
}
|
| 1312 |
|
|
else
|
| 1313 |
|
|
{
|
| 1314 |
|
|
/* it is not a literal constant, look for array variable */
|
| 1315 |
|
|
*literal_array_data = NULL;
|
| 1316 |
|
|
|
| 1317 |
|
|
while ((statement_buffer[index] != JAMC_NULL_CHAR) &&
|
| 1318 |
|
|
(statement_buffer[index] != JAMC_LBRACKET_CHAR) &&
|
| 1319 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 1320 |
|
|
{
|
| 1321 |
|
|
++index;
|
| 1322 |
|
|
}
|
| 1323 |
|
|
|
| 1324 |
|
|
if (statement_buffer[index] != JAMC_LBRACKET_CHAR)
|
| 1325 |
|
|
{
|
| 1326 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 1327 |
|
|
}
|
| 1328 |
|
|
else
|
| 1329 |
|
|
{
|
| 1330 |
|
|
expr_end = index;
|
| 1331 |
|
|
++index;
|
| 1332 |
|
|
|
| 1333 |
|
|
save_ch = statement_buffer[expr_end];
|
| 1334 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 1335 |
|
|
status = jam_get_symbol_record(&statement_buffer[expr_begin],
|
| 1336 |
|
|
&tmp_symbol_rec);
|
| 1337 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 1338 |
|
|
|
| 1339 |
|
|
if (status == JAMC_SUCCESS)
|
| 1340 |
|
|
{
|
| 1341 |
|
|
*symbol_record = tmp_symbol_rec;
|
| 1342 |
|
|
|
| 1343 |
|
|
if ((tmp_symbol_rec->type != JAM_BOOLEAN_ARRAY_WRITABLE) &&
|
| 1344 |
|
|
(tmp_symbol_rec->type != JAM_BOOLEAN_ARRAY_INITIALIZED))
|
| 1345 |
|
|
{
|
| 1346 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 1347 |
|
|
}
|
| 1348 |
|
|
else
|
| 1349 |
|
|
{
|
| 1350 |
|
|
/* it is a Boolean array variable */
|
| 1351 |
|
|
while ((statement_buffer[index] != JAMC_NULL_CHAR) &&
|
| 1352 |
|
|
(statement_buffer[index] != JAMC_SEMICOLON_CHAR) &&
|
| 1353 |
|
|
((statement_buffer[index] != JAMC_RBRACKET_CHAR) ||
|
| 1354 |
|
|
(bracket_count > 0)) &&
|
| 1355 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 1356 |
|
|
{
|
| 1357 |
|
|
if (statement_buffer[index] == JAMC_LBRACKET_CHAR)
|
| 1358 |
|
|
{
|
| 1359 |
|
|
++bracket_count;
|
| 1360 |
|
|
}
|
| 1361 |
|
|
else if (statement_buffer[index] == JAMC_RBRACKET_CHAR)
|
| 1362 |
|
|
{
|
| 1363 |
|
|
--bracket_count;
|
| 1364 |
|
|
}
|
| 1365 |
|
|
|
| 1366 |
|
|
++index;
|
| 1367 |
|
|
}
|
| 1368 |
|
|
|
| 1369 |
|
|
if (statement_buffer[index] != JAMC_RBRACKET_CHAR)
|
| 1370 |
|
|
{
|
| 1371 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 1372 |
|
|
}
|
| 1373 |
|
|
else
|
| 1374 |
|
|
{
|
| 1375 |
|
|
statement_buffer[index] = JAMC_NULL_CHAR;
|
| 1376 |
|
|
|
| 1377 |
|
|
status = jam_get_array_subrange(tmp_symbol_rec,
|
| 1378 |
|
|
&statement_buffer[expr_end + 1],
|
| 1379 |
|
|
start_index, stop_index);
|
| 1380 |
|
|
statement_buffer[index] = JAMC_RBRACKET_CHAR;
|
| 1381 |
|
|
++index;
|
| 1382 |
|
|
|
| 1383 |
|
|
if (status == JAMC_SUCCESS)
|
| 1384 |
|
|
{
|
| 1385 |
|
|
heap_record = (JAMS_HEAP_RECORD *)
|
| 1386 |
|
|
tmp_symbol_rec->value;
|
| 1387 |
|
|
|
| 1388 |
|
|
if (heap_record == NULL)
|
| 1389 |
|
|
{
|
| 1390 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 1391 |
|
|
}
|
| 1392 |
|
|
else if ((*start_index < 0) || (*stop_index < 0) ||
|
| 1393 |
|
|
(*start_index >= heap_record->dimension) ||
|
| 1394 |
|
|
(*stop_index >= heap_record->dimension))
|
| 1395 |
|
|
{
|
| 1396 |
|
|
status = JAMC_BOUNDS_ERROR;
|
| 1397 |
|
|
}
|
| 1398 |
|
|
else
|
| 1399 |
|
|
{
|
| 1400 |
|
|
while (jam_isspace(statement_buffer[index]))
|
| 1401 |
|
|
{
|
| 1402 |
|
|
++index;
|
| 1403 |
|
|
}
|
| 1404 |
|
|
|
| 1405 |
|
|
/* there should be no more characters */
|
| 1406 |
|
|
if (statement_buffer[index] != JAMC_NULL_CHAR)
|
| 1407 |
|
|
{
|
| 1408 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 1409 |
|
|
}
|
| 1410 |
|
|
}
|
| 1411 |
|
|
}
|
| 1412 |
|
|
}
|
| 1413 |
|
|
}
|
| 1414 |
|
|
}
|
| 1415 |
|
|
}
|
| 1416 |
|
|
}
|
| 1417 |
|
|
|
| 1418 |
|
|
return (status);
|
| 1419 |
|
|
}
|
| 1420 |
|
|
|
| 1421 |
|
|
/****************************************************************************/
|
| 1422 |
|
|
/* */
|
| 1423 |
|
|
|
| 1424 |
|
|
JAM_RETURN_TYPE jam_find_argument
|
| 1425 |
|
|
(
|
| 1426 |
|
|
char *statement_buffer,
|
| 1427 |
|
|
int *begin,
|
| 1428 |
|
|
int *end,
|
| 1429 |
|
|
int *delimiter
|
| 1430 |
|
|
)
|
| 1431 |
|
|
|
| 1432 |
|
|
/* */
|
| 1433 |
|
|
/* Description: Finds the next argument in the statement buffer, where */
|
| 1434 |
|
|
/* the delimiters are COLON or SEMICOLON. Returns indices */
|
| 1435 |
|
|
/* of begin and end of argument, and the delimiter after */
|
| 1436 |
|
|
/* the argument. */
|
| 1437 |
|
|
/* */
|
| 1438 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 1439 |
|
|
/* */
|
| 1440 |
|
|
/****************************************************************************/
|
| 1441 |
|
|
{
|
| 1442 |
|
|
int index = 0;
|
| 1443 |
|
|
JAM_RETURN_TYPE status = JAMC_SUCCESS;
|
| 1444 |
|
|
|
| 1445 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 1446 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 1447 |
|
|
{
|
| 1448 |
|
|
++index; /* skip over white space */
|
| 1449 |
|
|
}
|
| 1450 |
|
|
|
| 1451 |
|
|
*begin = index;
|
| 1452 |
|
|
|
| 1453 |
|
|
while ((statement_buffer[index] != JAMC_NULL_CHAR) &&
|
| 1454 |
|
|
(statement_buffer[index] != JAMC_COMMA_CHAR) &&
|
| 1455 |
|
|
(statement_buffer[index] != JAMC_SEMICOLON_CHAR) &&
|
| 1456 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 1457 |
|
|
{
|
| 1458 |
|
|
++index;
|
| 1459 |
|
|
}
|
| 1460 |
|
|
|
| 1461 |
|
|
if ((statement_buffer[index] != JAMC_COMMA_CHAR) &&
|
| 1462 |
|
|
(statement_buffer[index] != JAMC_SEMICOLON_CHAR))
|
| 1463 |
|
|
{
|
| 1464 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 1465 |
|
|
}
|
| 1466 |
|
|
else
|
| 1467 |
|
|
{
|
| 1468 |
|
|
*delimiter = index; /* delimiter is position of comma or semicolon */
|
| 1469 |
|
|
|
| 1470 |
|
|
while (jam_isspace(statement_buffer[index - 1]))
|
| 1471 |
|
|
{
|
| 1472 |
|
|
--index; /* skip backwards over white space */
|
| 1473 |
|
|
}
|
| 1474 |
|
|
|
| 1475 |
|
|
*end = index; /* end is position after last argument character */
|
| 1476 |
|
|
}
|
| 1477 |
|
|
|
| 1478 |
|
|
return (status);
|
| 1479 |
|
|
}
|
| 1480 |
|
|
|
| 1481 |
|
|
/****************************************************************************/
|
| 1482 |
|
|
/* */
|
| 1483 |
|
|
|
| 1484 |
|
|
JAM_RETURN_TYPE jam_process_uses_item
|
| 1485 |
|
|
(
|
| 1486 |
|
|
char *block_name
|
| 1487 |
|
|
)
|
| 1488 |
|
|
|
| 1489 |
|
|
/* */
|
| 1490 |
|
|
/* Description: Checks validity of one block-name from a USES clause. */
|
| 1491 |
|
|
/* If it is a data block name, initialize the data block. */
|
| 1492 |
|
|
/* */
|
| 1493 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 1494 |
|
|
/* */
|
| 1495 |
|
|
/****************************************************************************/
|
| 1496 |
|
|
{
|
| 1497 |
|
|
int index = 0;
|
| 1498 |
|
|
char save_ch = 0;
|
| 1499 |
|
|
JAM_RETURN_TYPE status = JAMC_SYNTAX_ERROR;
|
| 1500 |
|
|
JAMS_SYMBOL_RECORD *symbol_record = NULL;
|
| 1501 |
|
|
long current_position = 0L;
|
| 1502 |
|
|
long return_position = jam_next_statement_position;
|
| 1503 |
|
|
long block_position = -1L;
|
| 1504 |
|
|
char block_buffer[JAMC_MAX_NAME_LENGTH + 1];
|
| 1505 |
|
|
char label_buffer[JAMC_MAX_NAME_LENGTH + 1];
|
| 1506 |
|
|
char *statement_buffer = NULL;
|
| 1507 |
|
|
JAME_INSTRUCTION instruction_code = JAM_ILLEGAL_INSTR;
|
| 1508 |
|
|
BOOL found = FALSE;
|
| 1509 |
|
|
BOOL enddata = FALSE;
|
| 1510 |
|
|
JAMS_STACK_RECORD *original_stack_position = NULL;
|
| 1511 |
|
|
BOOL reuse_statement_buffer = FALSE;
|
| 1512 |
|
|
JAMS_SYMBOL_RECORD *tmp_current_block = jam_current_block;
|
| 1513 |
|
|
JAME_PHASE_TYPE tmp_phase = jam_phase;
|
| 1514 |
|
|
BOOL done = FALSE;
|
| 1515 |
|
|
int exit_code = 0;
|
| 1516 |
|
|
|
| 1517 |
|
|
statement_buffer = jam_malloc(JAMC_MAX_STATEMENT_LENGTH + 1024);
|
| 1518 |
|
|
|
| 1519 |
|
|
if (statement_buffer == NULL)
|
| 1520 |
|
|
{
|
| 1521 |
|
|
status = JAMC_OUT_OF_MEMORY;
|
| 1522 |
|
|
}
|
| 1523 |
|
|
else if (jam_isalpha(block_name[index]))
|
| 1524 |
|
|
{
|
| 1525 |
|
|
/* locate block name */
|
| 1526 |
|
|
while ((jam_is_name_char(block_name[index])) &&
|
| 1527 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 1528 |
|
|
{
|
| 1529 |
|
|
++index; /* skip over block name */
|
| 1530 |
|
|
}
|
| 1531 |
|
|
|
| 1532 |
|
|
/*
|
| 1533 |
|
|
* Look in symbol table for block name
|
| 1534 |
|
|
*/
|
| 1535 |
|
|
save_ch = block_name[index];
|
| 1536 |
|
|
block_name[index] = JAMC_NULL_CHAR;
|
| 1537 |
|
|
jam_strcpy(block_buffer, block_name);
|
| 1538 |
|
|
block_name[index] = save_ch;
|
| 1539 |
|
|
status = jam_get_symbol_record(block_buffer, &symbol_record);
|
| 1540 |
|
|
|
| 1541 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 1542 |
|
|
((symbol_record->type == JAM_PROCEDURE_BLOCK) ||
|
| 1543 |
|
|
(symbol_record->type == JAM_DATA_BLOCK)))
|
| 1544 |
|
|
{
|
| 1545 |
|
|
/*
|
| 1546 |
|
|
* Name is defined - get the address of the block
|
| 1547 |
|
|
*/
|
| 1548 |
|
|
block_position = symbol_record->position;
|
| 1549 |
|
|
}
|
| 1550 |
|
|
else if (status == JAMC_UNDEFINED_SYMBOL)
|
| 1551 |
|
|
{
|
| 1552 |
|
|
/*
|
| 1553 |
|
|
* Block name is not defined... may be a forward reference.
|
| 1554 |
|
|
* Search through the file to find the symbol.
|
| 1555 |
|
|
*/
|
| 1556 |
|
|
current_position = jam_current_statement_position;
|
| 1557 |
|
|
|
| 1558 |
|
|
status = JAMC_SUCCESS;
|
| 1559 |
|
|
|
| 1560 |
|
|
while ((!found) && (status == JAMC_SUCCESS))
|
| 1561 |
|
|
{
|
| 1562 |
|
|
/*
|
| 1563 |
|
|
* Get statements without executing them
|
| 1564 |
|
|
*/
|
| 1565 |
|
|
status = jam_get_statement(statement_buffer, label_buffer);
|
| 1566 |
|
|
|
| 1567 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 1568 |
|
|
(label_buffer[0] != JAMC_NULL_CHAR) &&
|
| 1569 |
|
|
(jam_version != 2))
|
| 1570 |
|
|
{
|
| 1571 |
|
|
/*
|
| 1572 |
|
|
* If there is a label, add it to the symbol table
|
| 1573 |
|
|
*/
|
| 1574 |
|
|
status = jam_add_symbol(JAM_LABEL, label_buffer, 0L,
|
| 1575 |
|
|
jam_current_statement_position);
|
| 1576 |
|
|
}
|
| 1577 |
|
|
|
| 1578 |
|
|
/*
|
| 1579 |
|
|
* Is this a PROCEDURE or DATA statement?
|
| 1580 |
|
|
*/
|
| 1581 |
|
|
if (status == JAMC_SUCCESS)
|
| 1582 |
|
|
{
|
| 1583 |
|
|
instruction_code = jam_get_instruction(statement_buffer);
|
| 1584 |
|
|
|
| 1585 |
|
|
switch (instruction_code)
|
| 1586 |
|
|
{
|
| 1587 |
|
|
case JAM_DATA_INSTR:
|
| 1588 |
|
|
status = jam_process_data(statement_buffer);
|
| 1589 |
|
|
|
| 1590 |
|
|
/* check if this is the block we want to process */
|
| 1591 |
|
|
if (status == JAMC_SUCCESS)
|
| 1592 |
|
|
{
|
| 1593 |
|
|
status = jam_get_symbol_record(block_buffer,
|
| 1594 |
|
|
&symbol_record);
|
| 1595 |
|
|
|
| 1596 |
|
|
if (status == JAMC_SUCCESS)
|
| 1597 |
|
|
{
|
| 1598 |
|
|
found = TRUE;
|
| 1599 |
|
|
block_position = symbol_record->position;
|
| 1600 |
|
|
}
|
| 1601 |
|
|
else if (status == JAMC_UNDEFINED_SYMBOL)
|
| 1602 |
|
|
{
|
| 1603 |
|
|
/* ignore undefined symbol errors */
|
| 1604 |
|
|
status = JAMC_SUCCESS;
|
| 1605 |
|
|
}
|
| 1606 |
|
|
}
|
| 1607 |
|
|
break;
|
| 1608 |
|
|
|
| 1609 |
|
|
case JAM_PROCEDURE_INSTR:
|
| 1610 |
|
|
status = jam_process_procedure(statement_buffer);
|
| 1611 |
|
|
|
| 1612 |
|
|
/* check if this is the block we want to process */
|
| 1613 |
|
|
if (status == JAMC_SUCCESS)
|
| 1614 |
|
|
{
|
| 1615 |
|
|
status = jam_get_symbol_record(block_buffer,
|
| 1616 |
|
|
&symbol_record);
|
| 1617 |
|
|
|
| 1618 |
|
|
if (status == JAMC_SUCCESS)
|
| 1619 |
|
|
{
|
| 1620 |
|
|
found = TRUE;
|
| 1621 |
|
|
block_position = symbol_record->position;
|
| 1622 |
|
|
}
|
| 1623 |
|
|
else if (status == JAMC_UNDEFINED_SYMBOL)
|
| 1624 |
|
|
{
|
| 1625 |
|
|
/* ignore undefined symbol errors */
|
| 1626 |
|
|
status = JAMC_SUCCESS;
|
| 1627 |
|
|
}
|
| 1628 |
|
|
}
|
| 1629 |
|
|
break;
|
| 1630 |
|
|
}
|
| 1631 |
|
|
}
|
| 1632 |
|
|
}
|
| 1633 |
|
|
|
| 1634 |
|
|
if (!found)
|
| 1635 |
|
|
{
|
| 1636 |
|
|
/* label was not found -- report "undefined symbol" */
|
| 1637 |
|
|
/* rather than "unexpected EOF" */
|
| 1638 |
|
|
status = JAMC_UNDEFINED_SYMBOL;
|
| 1639 |
|
|
|
| 1640 |
|
|
/* seek to location of the ACTION or PROCEDURE statement */
|
| 1641 |
|
|
/* that caused the error */
|
| 1642 |
|
|
jam_seek(current_position);
|
| 1643 |
|
|
jam_current_file_position = current_position;
|
| 1644 |
|
|
jam_current_statement_position = current_position;
|
| 1645 |
|
|
}
|
| 1646 |
|
|
}
|
| 1647 |
|
|
|
| 1648 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 1649 |
|
|
((block_position == (-1L)) || (symbol_record == NULL)))
|
| 1650 |
|
|
{
|
| 1651 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 1652 |
|
|
}
|
| 1653 |
|
|
|
| 1654 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 1655 |
|
|
(symbol_record->type != JAM_PROCEDURE_BLOCK) &&
|
| 1656 |
|
|
(symbol_record->type != JAM_DATA_BLOCK))
|
| 1657 |
|
|
{
|
| 1658 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 1659 |
|
|
}
|
| 1660 |
|
|
|
| 1661 |
|
|
/*
|
| 1662 |
|
|
* Call a data block to initialize the variables inside
|
| 1663 |
|
|
*/
|
| 1664 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 1665 |
|
|
(symbol_record->type == JAM_DATA_BLOCK) &&
|
| 1666 |
|
|
(symbol_record->value == 0))
|
| 1667 |
|
|
{
|
| 1668 |
|
|
/*
|
| 1669 |
|
|
* Push a CALL record onto the stack
|
| 1670 |
|
|
*/
|
| 1671 |
|
|
if (status == JAMC_SUCCESS)
|
| 1672 |
|
|
{
|
| 1673 |
|
|
original_stack_position = jam_peek_stack_record();
|
| 1674 |
|
|
status = jam_push_callret_record(return_position);
|
| 1675 |
|
|
}
|
| 1676 |
|
|
|
| 1677 |
|
|
/*
|
| 1678 |
|
|
* Now seek to the desired position so we can execute that
|
| 1679 |
|
|
* statement next
|
| 1680 |
|
|
*/
|
| 1681 |
|
|
if (status == JAMC_SUCCESS)
|
| 1682 |
|
|
{
|
| 1683 |
|
|
if (jam_seek(block_position) == 0)
|
| 1684 |
|
|
{
|
| 1685 |
|
|
jam_current_file_position = block_position;
|
| 1686 |
|
|
}
|
| 1687 |
|
|
else
|
| 1688 |
|
|
{
|
| 1689 |
|
|
/* seek failed */
|
| 1690 |
|
|
status = JAMC_IO_ERROR;
|
| 1691 |
|
|
}
|
| 1692 |
|
|
}
|
| 1693 |
|
|
|
| 1694 |
|
|
/*
|
| 1695 |
|
|
* Set jam_current_block to the data block about to be executed
|
| 1696 |
|
|
*/
|
| 1697 |
|
|
if (status == JAMC_SUCCESS)
|
| 1698 |
|
|
{
|
| 1699 |
|
|
jam_current_block = symbol_record;
|
| 1700 |
|
|
jam_phase = JAM_DATA_PHASE;
|
| 1701 |
|
|
}
|
| 1702 |
|
|
|
| 1703 |
|
|
/*
|
| 1704 |
|
|
* Get program statements and execute them
|
| 1705 |
|
|
*/
|
| 1706 |
|
|
while ((!(done)) && (!enddata) && (status == JAMC_SUCCESS))
|
| 1707 |
|
|
{
|
| 1708 |
|
|
if (!reuse_statement_buffer)
|
| 1709 |
|
|
{
|
| 1710 |
|
|
status = jam_get_statement
|
| 1711 |
|
|
(
|
| 1712 |
|
|
statement_buffer,
|
| 1713 |
|
|
label_buffer
|
| 1714 |
|
|
);
|
| 1715 |
|
|
|
| 1716 |
|
|
if ((status == JAMC_SUCCESS)
|
| 1717 |
|
|
&& (label_buffer[0] != JAMC_NULL_CHAR))
|
| 1718 |
|
|
{
|
| 1719 |
|
|
status = jam_add_symbol
|
| 1720 |
|
|
(
|
| 1721 |
|
|
JAM_LABEL,
|
| 1722 |
|
|
label_buffer,
|
| 1723 |
|
|
0L,
|
| 1724 |
|
|
jam_current_statement_position
|
| 1725 |
|
|
);
|
| 1726 |
|
|
}
|
| 1727 |
|
|
}
|
| 1728 |
|
|
else
|
| 1729 |
|
|
{
|
| 1730 |
|
|
/* statement buffer will be reused -- clear the flag */
|
| 1731 |
|
|
reuse_statement_buffer = FALSE;
|
| 1732 |
|
|
}
|
| 1733 |
|
|
|
| 1734 |
|
|
if (status == JAMC_SUCCESS)
|
| 1735 |
|
|
{
|
| 1736 |
|
|
status = jam_execute_statement
|
| 1737 |
|
|
(
|
| 1738 |
|
|
statement_buffer,
|
| 1739 |
|
|
&done,
|
| 1740 |
|
|
&reuse_statement_buffer,
|
| 1741 |
|
|
&exit_code
|
| 1742 |
|
|
);
|
| 1743 |
|
|
|
| 1744 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 1745 |
|
|
(jam_get_instruction(statement_buffer)
|
| 1746 |
|
|
== JAM_ENDDATA_INSTR) &&
|
| 1747 |
|
|
(jam_peek_stack_record() == original_stack_position))
|
| 1748 |
|
|
{
|
| 1749 |
|
|
enddata = TRUE;
|
| 1750 |
|
|
}
|
| 1751 |
|
|
}
|
| 1752 |
|
|
}
|
| 1753 |
|
|
|
| 1754 |
|
|
if (done && (status == JAMC_SUCCESS))
|
| 1755 |
|
|
{
|
| 1756 |
|
|
/* an EXIT statement was processed -- impossible! */
|
| 1757 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 1758 |
|
|
}
|
| 1759 |
|
|
|
| 1760 |
|
|
/* indicate that this data block has been initialized */
|
| 1761 |
|
|
symbol_record->value = 1;
|
| 1762 |
|
|
}
|
| 1763 |
|
|
}
|
| 1764 |
|
|
|
| 1765 |
|
|
jam_current_block = tmp_current_block;
|
| 1766 |
|
|
jam_phase = tmp_phase;
|
| 1767 |
|
|
|
| 1768 |
|
|
if (statement_buffer != NULL) jam_free(statement_buffer);
|
| 1769 |
|
|
|
| 1770 |
|
|
return (status);
|
| 1771 |
|
|
}
|
| 1772 |
|
|
|
| 1773 |
|
|
JAM_RETURN_TYPE jam_process_uses_list
|
| 1774 |
|
|
(
|
| 1775 |
|
|
char *uses_list
|
| 1776 |
|
|
)
|
| 1777 |
|
|
{
|
| 1778 |
|
|
JAM_RETURN_TYPE status = JAMC_SUCCESS;
|
| 1779 |
|
|
int name_begin = 0;
|
| 1780 |
|
|
int name_end = 0;
|
| 1781 |
|
|
int index = 0;
|
| 1782 |
|
|
char save_ch = 0;
|
| 1783 |
|
|
|
| 1784 |
|
|
jam_checking_uses_list = TRUE;
|
| 1785 |
|
|
|
| 1786 |
|
|
while ((status == JAMC_SUCCESS) &&
|
| 1787 |
|
|
(uses_list[index] != JAMC_SEMICOLON_CHAR) &&
|
| 1788 |
|
|
(uses_list[index] != NULL) &&
|
| 1789 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 1790 |
|
|
{
|
| 1791 |
|
|
while ((jam_isspace(uses_list[index])) &&
|
| 1792 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 1793 |
|
|
{
|
| 1794 |
|
|
++index; /* skip over white space */
|
| 1795 |
|
|
}
|
| 1796 |
|
|
|
| 1797 |
|
|
name_begin = index;
|
| 1798 |
|
|
|
| 1799 |
|
|
while ((jam_is_name_char(uses_list[index])) &&
|
| 1800 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 1801 |
|
|
{
|
| 1802 |
|
|
++index; /* skip over procedure name */
|
| 1803 |
|
|
}
|
| 1804 |
|
|
|
| 1805 |
|
|
name_end = index;
|
| 1806 |
|
|
|
| 1807 |
|
|
while ((jam_isspace(uses_list[index])) &&
|
| 1808 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 1809 |
|
|
{
|
| 1810 |
|
|
++index; /* skip over white space */
|
| 1811 |
|
|
}
|
| 1812 |
|
|
|
| 1813 |
|
|
if ((name_end > name_begin) &&
|
| 1814 |
|
|
((uses_list[index] == JAMC_COMMA_CHAR) ||
|
| 1815 |
|
|
(uses_list[index] == JAMC_SEMICOLON_CHAR)))
|
| 1816 |
|
|
{
|
| 1817 |
|
|
save_ch = uses_list[name_end];
|
| 1818 |
|
|
uses_list[name_end] = JAMC_NULL_CHAR;
|
| 1819 |
|
|
status = jam_process_uses_item(&uses_list[name_begin]);
|
| 1820 |
|
|
uses_list[name_end] = save_ch;
|
| 1821 |
|
|
|
| 1822 |
|
|
if (uses_list[index] == JAMC_COMMA_CHAR)
|
| 1823 |
|
|
{
|
| 1824 |
|
|
++index; /* skip over comma */
|
| 1825 |
|
|
}
|
| 1826 |
|
|
}
|
| 1827 |
|
|
else
|
| 1828 |
|
|
{
|
| 1829 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 1830 |
|
|
}
|
| 1831 |
|
|
}
|
| 1832 |
|
|
|
| 1833 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 1834 |
|
|
(uses_list[index] != JAMC_SEMICOLON_CHAR))
|
| 1835 |
|
|
{
|
| 1836 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 1837 |
|
|
}
|
| 1838 |
|
|
|
| 1839 |
|
|
jam_checking_uses_list = FALSE;
|
| 1840 |
|
|
|
| 1841 |
|
|
return (status);
|
| 1842 |
|
|
}
|
| 1843 |
|
|
|
| 1844 |
|
|
/****************************************************************************/
|
| 1845 |
|
|
/* */
|
| 1846 |
|
|
|
| 1847 |
|
|
JAM_RETURN_TYPE jam_call_procedure
|
| 1848 |
|
|
(
|
| 1849 |
|
|
char *procedure_name,
|
| 1850 |
|
|
BOOL *done,
|
| 1851 |
|
|
int *exit_code
|
| 1852 |
|
|
)
|
| 1853 |
|
|
|
| 1854 |
|
|
/* */
|
| 1855 |
|
|
/* Description: Calls the specified procedure, and executes the */
|
| 1856 |
|
|
/* statements in the procedure. */
|
| 1857 |
|
|
/* */
|
| 1858 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 1859 |
|
|
/* */
|
| 1860 |
|
|
/****************************************************************************/
|
| 1861 |
|
|
{
|
| 1862 |
|
|
int index = 0;
|
| 1863 |
|
|
char save_ch = 0;
|
| 1864 |
|
|
JAM_RETURN_TYPE status = JAMC_SYNTAX_ERROR;
|
| 1865 |
|
|
JAMS_SYMBOL_RECORD *symbol_record = NULL;
|
| 1866 |
|
|
JAME_INSTRUCTION instruction_code = JAM_ILLEGAL_INSTR;
|
| 1867 |
|
|
long current_position = 0L;
|
| 1868 |
|
|
long proc_position = -1L;
|
| 1869 |
|
|
long return_position = jam_next_statement_position;
|
| 1870 |
|
|
char procedure_buffer[JAMC_MAX_NAME_LENGTH + 1];
|
| 1871 |
|
|
char label_buffer[JAMC_MAX_NAME_LENGTH + 1];
|
| 1872 |
|
|
char *statement_buffer = NULL;
|
| 1873 |
|
|
BOOL found = FALSE;
|
| 1874 |
|
|
BOOL endproc = FALSE;
|
| 1875 |
|
|
JAMS_STACK_RECORD *original_stack_position = NULL;
|
| 1876 |
|
|
BOOL reuse_statement_buffer = FALSE;
|
| 1877 |
|
|
JAMS_HEAP_RECORD *heap_record = NULL;
|
| 1878 |
|
|
JAMS_SYMBOL_RECORD *tmp_current_block = jam_current_block;
|
| 1879 |
|
|
JAME_PHASE_TYPE tmp_phase = jam_phase;
|
| 1880 |
|
|
|
| 1881 |
|
|
statement_buffer = jam_malloc(JAMC_MAX_STATEMENT_LENGTH + 1024);
|
| 1882 |
|
|
|
| 1883 |
|
|
if (statement_buffer == NULL)
|
| 1884 |
|
|
{
|
| 1885 |
|
|
status = JAMC_OUT_OF_MEMORY;
|
| 1886 |
|
|
}
|
| 1887 |
|
|
else if (jam_isalpha(procedure_name[index]))
|
| 1888 |
|
|
{
|
| 1889 |
|
|
/* locate procedure name */
|
| 1890 |
|
|
while ((jam_is_name_char(procedure_name[index])) &&
|
| 1891 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 1892 |
|
|
{
|
| 1893 |
|
|
++index; /* skip over procedure name */
|
| 1894 |
|
|
}
|
| 1895 |
|
|
|
| 1896 |
|
|
/*
|
| 1897 |
|
|
* Look in symbol table for procedure name
|
| 1898 |
|
|
*/
|
| 1899 |
|
|
save_ch = procedure_name[index];
|
| 1900 |
|
|
procedure_name[index] = JAMC_NULL_CHAR;
|
| 1901 |
|
|
jam_strcpy(procedure_buffer, procedure_name);
|
| 1902 |
|
|
procedure_name[index] = save_ch;
|
| 1903 |
|
|
status = jam_get_symbol_record(procedure_buffer, &symbol_record);
|
| 1904 |
|
|
|
| 1905 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 1906 |
|
|
(symbol_record->type == JAM_PROCEDURE_BLOCK))
|
| 1907 |
|
|
{
|
| 1908 |
|
|
/*
|
| 1909 |
|
|
* Label is defined - get the address for the jump
|
| 1910 |
|
|
*/
|
| 1911 |
|
|
proc_position = symbol_record->position;
|
| 1912 |
|
|
}
|
| 1913 |
|
|
else if (status == JAMC_UNDEFINED_SYMBOL)
|
| 1914 |
|
|
{
|
| 1915 |
|
|
/*
|
| 1916 |
|
|
* Label is not defined... may be a forward reference.
|
| 1917 |
|
|
* Search through the file to find the symbol.
|
| 1918 |
|
|
*/
|
| 1919 |
|
|
current_position = jam_current_statement_position;
|
| 1920 |
|
|
|
| 1921 |
|
|
status = JAMC_SUCCESS;
|
| 1922 |
|
|
|
| 1923 |
|
|
while ((!found) && (status == JAMC_SUCCESS))
|
| 1924 |
|
|
{
|
| 1925 |
|
|
/*
|
| 1926 |
|
|
* Get statements without executing them
|
| 1927 |
|
|
*/
|
| 1928 |
|
|
status = jam_get_statement(statement_buffer, label_buffer);
|
| 1929 |
|
|
|
| 1930 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 1931 |
|
|
(label_buffer[0] != JAMC_NULL_CHAR) &&
|
| 1932 |
|
|
(jam_version != 2))
|
| 1933 |
|
|
{
|
| 1934 |
|
|
/*
|
| 1935 |
|
|
* If there is a label, add it to the symbol table
|
| 1936 |
|
|
*/
|
| 1937 |
|
|
status = jam_add_symbol(JAM_LABEL, label_buffer, 0L,
|
| 1938 |
|
|
jam_current_statement_position);
|
| 1939 |
|
|
}
|
| 1940 |
|
|
|
| 1941 |
|
|
/*
|
| 1942 |
|
|
* Is this a PROCEDURE or DATA statement?
|
| 1943 |
|
|
*/
|
| 1944 |
|
|
if (status == JAMC_SUCCESS)
|
| 1945 |
|
|
{
|
| 1946 |
|
|
instruction_code = jam_get_instruction(statement_buffer);
|
| 1947 |
|
|
|
| 1948 |
|
|
switch (instruction_code)
|
| 1949 |
|
|
{
|
| 1950 |
|
|
case JAM_DATA_INSTR:
|
| 1951 |
|
|
status = jam_process_data(statement_buffer);
|
| 1952 |
|
|
break;
|
| 1953 |
|
|
|
| 1954 |
|
|
case JAM_PROCEDURE_INSTR:
|
| 1955 |
|
|
status = jam_process_procedure(statement_buffer);
|
| 1956 |
|
|
|
| 1957 |
|
|
/* check if this is the procedure we want to call */
|
| 1958 |
|
|
if (status == JAMC_SUCCESS)
|
| 1959 |
|
|
{
|
| 1960 |
|
|
status = jam_get_symbol_record(procedure_buffer,
|
| 1961 |
|
|
&symbol_record);
|
| 1962 |
|
|
|
| 1963 |
|
|
if (status == JAMC_SUCCESS)
|
| 1964 |
|
|
{
|
| 1965 |
|
|
found = TRUE;
|
| 1966 |
|
|
proc_position = symbol_record->position;
|
| 1967 |
|
|
}
|
| 1968 |
|
|
else if (status == JAMC_UNDEFINED_SYMBOL)
|
| 1969 |
|
|
{
|
| 1970 |
|
|
/* ignore undefined symbol errors */
|
| 1971 |
|
|
status = JAMC_SUCCESS;
|
| 1972 |
|
|
}
|
| 1973 |
|
|
}
|
| 1974 |
|
|
break;
|
| 1975 |
|
|
}
|
| 1976 |
|
|
}
|
| 1977 |
|
|
}
|
| 1978 |
|
|
|
| 1979 |
|
|
if (!found)
|
| 1980 |
|
|
{
|
| 1981 |
|
|
/* procedure was not found -- report "undefined symbol" */
|
| 1982 |
|
|
/* rather than "unexpected EOF" */
|
| 1983 |
|
|
status = JAMC_UNDEFINED_SYMBOL;
|
| 1984 |
|
|
|
| 1985 |
|
|
/* seek to location of the ACTION or CALL statement */
|
| 1986 |
|
|
/* that caused the error */
|
| 1987 |
|
|
jam_seek(current_position);
|
| 1988 |
|
|
jam_current_file_position = current_position;
|
| 1989 |
|
|
jam_current_statement_position = current_position;
|
| 1990 |
|
|
}
|
| 1991 |
|
|
}
|
| 1992 |
|
|
|
| 1993 |
|
|
if ((status == JAMC_SUCCESS) && (symbol_record->value != 0L))
|
| 1994 |
|
|
{
|
| 1995 |
|
|
heap_record = (JAMS_HEAP_RECORD *) symbol_record->value;
|
| 1996 |
|
|
status = jam_process_uses_list((char *) heap_record->data);
|
| 1997 |
|
|
}
|
| 1998 |
|
|
|
| 1999 |
|
|
/*
|
| 2000 |
|
|
* Push a CALL record onto the stack
|
| 2001 |
|
|
*/
|
| 2002 |
|
|
if ((status == JAMC_SUCCESS) && (proc_position != (-1L)))
|
| 2003 |
|
|
{
|
| 2004 |
|
|
original_stack_position = jam_peek_stack_record();
|
| 2005 |
|
|
status = jam_push_callret_record(return_position);
|
| 2006 |
|
|
}
|
| 2007 |
|
|
|
| 2008 |
|
|
/*
|
| 2009 |
|
|
* Now seek to the desired position so we can execute that
|
| 2010 |
|
|
* statement next
|
| 2011 |
|
|
*/
|
| 2012 |
|
|
if ((status == JAMC_SUCCESS) && (proc_position != (-1L)))
|
| 2013 |
|
|
{
|
| 2014 |
|
|
if (jam_seek(proc_position) == 0)
|
| 2015 |
|
|
{
|
| 2016 |
|
|
jam_current_file_position = proc_position;
|
| 2017 |
|
|
}
|
| 2018 |
|
|
else
|
| 2019 |
|
|
{
|
| 2020 |
|
|
/* seek failed */
|
| 2021 |
|
|
status = JAMC_IO_ERROR;
|
| 2022 |
|
|
}
|
| 2023 |
|
|
}
|
| 2024 |
|
|
}
|
| 2025 |
|
|
|
| 2026 |
|
|
/*
|
| 2027 |
|
|
* Set jam_current_block to the procedure about to be executed
|
| 2028 |
|
|
*/
|
| 2029 |
|
|
if (status == JAMC_SUCCESS)
|
| 2030 |
|
|
{
|
| 2031 |
|
|
jam_current_block = symbol_record;
|
| 2032 |
|
|
jam_phase = JAM_PROCEDURE_PHASE;
|
| 2033 |
|
|
}
|
| 2034 |
|
|
|
| 2035 |
|
|
/*
|
| 2036 |
|
|
* Get program statements and execute them
|
| 2037 |
|
|
*/
|
| 2038 |
|
|
while ((!(*done)) && (!endproc) && (status == JAMC_SUCCESS))
|
| 2039 |
|
|
{
|
| 2040 |
|
|
if (!reuse_statement_buffer)
|
| 2041 |
|
|
{
|
| 2042 |
|
|
status = jam_get_statement
|
| 2043 |
|
|
(
|
| 2044 |
|
|
statement_buffer,
|
| 2045 |
|
|
label_buffer
|
| 2046 |
|
|
);
|
| 2047 |
|
|
|
| 2048 |
|
|
if ((status == JAMC_SUCCESS)
|
| 2049 |
|
|
&& (label_buffer[0] != JAMC_NULL_CHAR))
|
| 2050 |
|
|
{
|
| 2051 |
|
|
status = jam_add_symbol
|
| 2052 |
|
|
(
|
| 2053 |
|
|
JAM_LABEL,
|
| 2054 |
|
|
label_buffer,
|
| 2055 |
|
|
0L,
|
| 2056 |
|
|
jam_current_statement_position
|
| 2057 |
|
|
);
|
| 2058 |
|
|
}
|
| 2059 |
|
|
}
|
| 2060 |
|
|
else
|
| 2061 |
|
|
{
|
| 2062 |
|
|
/* statement buffer will be reused -- clear the flag */
|
| 2063 |
|
|
reuse_statement_buffer = FALSE;
|
| 2064 |
|
|
}
|
| 2065 |
|
|
|
| 2066 |
|
|
if (status == JAMC_SUCCESS)
|
| 2067 |
|
|
{
|
| 2068 |
|
|
status = jam_execute_statement
|
| 2069 |
|
|
(
|
| 2070 |
|
|
statement_buffer,
|
| 2071 |
|
|
done,
|
| 2072 |
|
|
&reuse_statement_buffer,
|
| 2073 |
|
|
exit_code
|
| 2074 |
|
|
);
|
| 2075 |
|
|
|
| 2076 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 2077 |
|
|
(jam_get_instruction(statement_buffer) == JAM_ENDPROC_INSTR) &&
|
| 2078 |
|
|
(jam_peek_stack_record() == original_stack_position))
|
| 2079 |
|
|
{
|
| 2080 |
|
|
endproc = TRUE;
|
| 2081 |
|
|
}
|
| 2082 |
|
|
}
|
| 2083 |
|
|
}
|
| 2084 |
|
|
|
| 2085 |
|
|
jam_current_block = tmp_current_block;
|
| 2086 |
|
|
jam_phase = tmp_phase;
|
| 2087 |
|
|
|
| 2088 |
|
|
if (statement_buffer != NULL) jam_free(statement_buffer);
|
| 2089 |
|
|
|
| 2090 |
|
|
return (status);
|
| 2091 |
|
|
}
|
| 2092 |
|
|
|
| 2093 |
|
|
JAM_RETURN_TYPE jam_call_procedure_from_action
|
| 2094 |
|
|
(
|
| 2095 |
|
|
char *procedure_name,
|
| 2096 |
|
|
BOOL *done,
|
| 2097 |
|
|
int *exit_code
|
| 2098 |
|
|
)
|
| 2099 |
|
|
{
|
| 2100 |
|
|
JAM_RETURN_TYPE status = JAMC_SYNTAX_ERROR;
|
| 2101 |
|
|
int index = 0;
|
| 2102 |
|
|
int procname_end = 0;
|
| 2103 |
|
|
int variable_begin = 0;
|
| 2104 |
|
|
int variable_end = 0;
|
| 2105 |
|
|
char save_ch = 0;
|
| 2106 |
|
|
BOOL call_it = FALSE;
|
| 2107 |
|
|
BOOL init_value_set = FALSE;
|
| 2108 |
|
|
long init_value = 0L;
|
| 2109 |
|
|
|
| 2110 |
|
|
if (jam_isalpha(procedure_name[index]))
|
| 2111 |
|
|
{
|
| 2112 |
|
|
while ((jam_is_name_char(procedure_name[index])) &&
|
| 2113 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 2114 |
|
|
{
|
| 2115 |
|
|
++index; /* skip over procedure name */
|
| 2116 |
|
|
}
|
| 2117 |
|
|
|
| 2118 |
|
|
procname_end = index;
|
| 2119 |
|
|
save_ch = procedure_name[procname_end];
|
| 2120 |
|
|
procedure_name[procname_end] = JAMC_NULL_CHAR;
|
| 2121 |
|
|
|
| 2122 |
|
|
if (jam_check_init_list(procedure_name, &init_value))
|
| 2123 |
|
|
{
|
| 2124 |
|
|
init_value_set = TRUE;
|
| 2125 |
|
|
}
|
| 2126 |
|
|
|
| 2127 |
|
|
procedure_name[procname_end] = save_ch;
|
| 2128 |
|
|
|
| 2129 |
|
|
while ((jam_isspace(procedure_name[index])) &&
|
| 2130 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 2131 |
|
|
{
|
| 2132 |
|
|
++index; /* skip over white space */
|
| 2133 |
|
|
}
|
| 2134 |
|
|
|
| 2135 |
|
|
if (procedure_name[index] == JAMC_NULL_CHAR)
|
| 2136 |
|
|
{
|
| 2137 |
|
|
/*
|
| 2138 |
|
|
* This is a mandatory procedure -- there is no
|
| 2139 |
|
|
* OPTIONAL or RECOMMENDED keyword. Just call it.
|
| 2140 |
|
|
*/
|
| 2141 |
|
|
status = JAMC_SUCCESS;
|
| 2142 |
|
|
call_it = TRUE;
|
| 2143 |
|
|
}
|
| 2144 |
|
|
else
|
| 2145 |
|
|
{
|
| 2146 |
|
|
variable_begin = index;
|
| 2147 |
|
|
|
| 2148 |
|
|
while ((jam_is_name_char(procedure_name[index])) &&
|
| 2149 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 2150 |
|
|
{
|
| 2151 |
|
|
++index; /* skip over procedure name */
|
| 2152 |
|
|
}
|
| 2153 |
|
|
|
| 2154 |
|
|
variable_end = index;
|
| 2155 |
|
|
|
| 2156 |
|
|
while ((jam_isspace(procedure_name[index])) &&
|
| 2157 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 2158 |
|
|
{
|
| 2159 |
|
|
++index; /* skip over white space */
|
| 2160 |
|
|
}
|
| 2161 |
|
|
|
| 2162 |
|
|
if (procedure_name[index] == JAMC_NULL_CHAR)
|
| 2163 |
|
|
{
|
| 2164 |
|
|
/* examine the keyword */
|
| 2165 |
|
|
save_ch = procedure_name[variable_end];
|
| 2166 |
|
|
procedure_name[variable_end] = JAMC_NULL_CHAR;
|
| 2167 |
|
|
|
| 2168 |
|
|
if (jam_stricmp(&procedure_name[variable_begin], "OPTIONAL") == 0)
|
| 2169 |
|
|
{
|
| 2170 |
|
|
/* OPTIONAL - don't call it unless specifically requested */
|
| 2171 |
|
|
status = JAMC_SUCCESS;
|
| 2172 |
|
|
call_it = FALSE;
|
| 2173 |
|
|
if (init_value_set && (init_value != 0))
|
| 2174 |
|
|
{
|
| 2175 |
|
|
/* it was requested -- call it */
|
| 2176 |
|
|
call_it = TRUE;
|
| 2177 |
|
|
}
|
| 2178 |
|
|
}
|
| 2179 |
|
|
else if (jam_stricmp(&procedure_name[variable_begin], "RECOMMENDED") == 0)
|
| 2180 |
|
|
{
|
| 2181 |
|
|
/* RECOMMENDED - call it unless specifically directed otherwise */
|
| 2182 |
|
|
status = JAMC_SUCCESS;
|
| 2183 |
|
|
call_it = TRUE;
|
| 2184 |
|
|
if (init_value_set && (init_value == 0))
|
| 2185 |
|
|
{
|
| 2186 |
|
|
/* it was declined -- don't call it */
|
| 2187 |
|
|
call_it = FALSE;
|
| 2188 |
|
|
}
|
| 2189 |
|
|
}
|
| 2190 |
|
|
else
|
| 2191 |
|
|
{
|
| 2192 |
|
|
/* the string did not match "OPTIONAL" or "RECOMMENDED" */
|
| 2193 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 2194 |
|
|
}
|
| 2195 |
|
|
|
| 2196 |
|
|
procedure_name[variable_end] = save_ch;
|
| 2197 |
|
|
}
|
| 2198 |
|
|
else
|
| 2199 |
|
|
{
|
| 2200 |
|
|
/* something else is lurking here -- syntax error */
|
| 2201 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 2202 |
|
|
}
|
| 2203 |
|
|
}
|
| 2204 |
|
|
}
|
| 2205 |
|
|
|
| 2206 |
|
|
if ((status == JAMC_SUCCESS) && call_it)
|
| 2207 |
|
|
{
|
| 2208 |
|
|
status = jam_call_procedure(procedure_name, done, exit_code);
|
| 2209 |
|
|
}
|
| 2210 |
|
|
|
| 2211 |
|
|
return (status);
|
| 2212 |
|
|
}
|
| 2213 |
|
|
|
| 2214 |
|
|
JAM_RETURN_TYPE jam_call_procedure_from_procedure
|
| 2215 |
|
|
(
|
| 2216 |
|
|
char *procedure_name,
|
| 2217 |
|
|
BOOL *done,
|
| 2218 |
|
|
int *exit_code
|
| 2219 |
|
|
)
|
| 2220 |
|
|
{
|
| 2221 |
|
|
JAM_RETURN_TYPE status = JAMC_SCOPE_ERROR;
|
| 2222 |
|
|
JAMS_HEAP_RECORD *heap_record = NULL;
|
| 2223 |
|
|
char *uses_list = NULL;
|
| 2224 |
|
|
char save_ch = 0;
|
| 2225 |
|
|
int ch_index = 0;
|
| 2226 |
|
|
int name_begin = 0;
|
| 2227 |
|
|
int name_end = 0;
|
| 2228 |
|
|
|
| 2229 |
|
|
if (jam_version != 2)
|
| 2230 |
|
|
{
|
| 2231 |
|
|
status = JAMC_SUCCESS;
|
| 2232 |
|
|
}
|
| 2233 |
|
|
else
|
| 2234 |
|
|
{
|
| 2235 |
|
|
/*
|
| 2236 |
|
|
* Check if procedure being called is listed in the
|
| 2237 |
|
|
* "uses list", or is a recursive call to the calling
|
| 2238 |
|
|
* procedure itself
|
| 2239 |
|
|
*/
|
| 2240 |
|
|
if ((jam_current_block != NULL) &&
|
| 2241 |
|
|
(jam_current_block->type == JAM_PROCEDURE_BLOCK))
|
| 2242 |
|
|
{
|
| 2243 |
|
|
heap_record = (JAMS_HEAP_RECORD *) jam_current_block->value;
|
| 2244 |
|
|
|
| 2245 |
|
|
if (heap_record != NULL)
|
| 2246 |
|
|
{
|
| 2247 |
|
|
uses_list = (char *) heap_record->data;
|
| 2248 |
|
|
}
|
| 2249 |
|
|
|
| 2250 |
|
|
if (jam_stricmp(procedure_name, jam_current_block->name) == 0)
|
| 2251 |
|
|
{
|
| 2252 |
|
|
/* any procedure may always call itself */
|
| 2253 |
|
|
status = JAMC_SUCCESS;
|
| 2254 |
|
|
}
|
| 2255 |
|
|
}
|
| 2256 |
|
|
|
| 2257 |
|
|
if ((status != JAMC_SUCCESS) && (uses_list != NULL))
|
| 2258 |
|
|
{
|
| 2259 |
|
|
name_begin = 0;
|
| 2260 |
|
|
ch_index = 0;
|
| 2261 |
|
|
while ((uses_list[ch_index] != JAMC_NULL_CHAR) &&
|
| 2262 |
|
|
(status != JAMC_SUCCESS))
|
| 2263 |
|
|
{
|
| 2264 |
|
|
name_end = 0;
|
| 2265 |
|
|
while ((uses_list[ch_index] != JAMC_NULL_CHAR) &&
|
| 2266 |
|
|
(!jam_is_name_char(uses_list[ch_index])))
|
| 2267 |
|
|
{
|
| 2268 |
|
|
++ch_index;
|
| 2269 |
|
|
}
|
| 2270 |
|
|
if (jam_is_name_char(uses_list[ch_index]))
|
| 2271 |
|
|
{
|
| 2272 |
|
|
name_begin = ch_index;
|
| 2273 |
|
|
}
|
| 2274 |
|
|
while ((uses_list[ch_index] != JAMC_NULL_CHAR) &&
|
| 2275 |
|
|
(jam_is_name_char(uses_list[ch_index])))
|
| 2276 |
|
|
{
|
| 2277 |
|
|
++ch_index;
|
| 2278 |
|
|
}
|
| 2279 |
|
|
name_end = ch_index;
|
| 2280 |
|
|
|
| 2281 |
|
|
if (name_end > name_begin)
|
| 2282 |
|
|
{
|
| 2283 |
|
|
save_ch = uses_list[name_end];
|
| 2284 |
|
|
uses_list[name_end] = JAMC_NULL_CHAR;
|
| 2285 |
|
|
if (jam_stricmp(&uses_list[name_begin],
|
| 2286 |
|
|
procedure_name) == 0)
|
| 2287 |
|
|
{
|
| 2288 |
|
|
/* symbol is in scope */
|
| 2289 |
|
|
status = JAMC_SUCCESS;
|
| 2290 |
|
|
}
|
| 2291 |
|
|
uses_list[name_end] = save_ch;
|
| 2292 |
|
|
}
|
| 2293 |
|
|
}
|
| 2294 |
|
|
}
|
| 2295 |
|
|
}
|
| 2296 |
|
|
|
| 2297 |
|
|
if (status == JAMC_SUCCESS)
|
| 2298 |
|
|
{
|
| 2299 |
|
|
status = jam_call_procedure(procedure_name, done, exit_code);
|
| 2300 |
|
|
}
|
| 2301 |
|
|
|
| 2302 |
|
|
return (status);
|
| 2303 |
|
|
}
|
| 2304 |
|
|
|
| 2305 |
|
|
/****************************************************************************/
|
| 2306 |
|
|
/* */
|
| 2307 |
|
|
|
| 2308 |
|
|
JAM_RETURN_TYPE jam_process_action
|
| 2309 |
|
|
(
|
| 2310 |
|
|
char *statement_buffer,
|
| 2311 |
|
|
BOOL *done,
|
| 2312 |
|
|
int *exit_code
|
| 2313 |
|
|
)
|
| 2314 |
|
|
|
| 2315 |
|
|
/* */
|
| 2316 |
|
|
/* Description: Processes an ACTION statement. Calls specified */
|
| 2317 |
|
|
/* procedure blocks in sequence. */
|
| 2318 |
|
|
/* */
|
| 2319 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 2320 |
|
|
/* */
|
| 2321 |
|
|
/****************************************************************************/
|
| 2322 |
|
|
{
|
| 2323 |
|
|
JAM_RETURN_TYPE status = JAMC_SUCCESS;
|
| 2324 |
|
|
BOOL execute = FALSE;
|
| 2325 |
|
|
int index = 0;
|
| 2326 |
|
|
int variable_begin = 0;
|
| 2327 |
|
|
int variable_end = 0;
|
| 2328 |
|
|
char save_ch = 0;
|
| 2329 |
|
|
|
| 2330 |
|
|
if (jam_version == 0) jam_version = 2;
|
| 2331 |
|
|
|
| 2332 |
|
|
if (jam_version == 1) status = JAMC_SYNTAX_ERROR;
|
| 2333 |
|
|
|
| 2334 |
|
|
if ((jam_phase == JAM_UNKNOWN_PHASE) || (jam_phase == JAM_NOTE_PHASE))
|
| 2335 |
|
|
{
|
| 2336 |
|
|
jam_phase = JAM_ACTION_PHASE;
|
| 2337 |
|
|
}
|
| 2338 |
|
|
|
| 2339 |
|
|
if ((jam_version == 2) && (jam_phase != JAM_ACTION_PHASE))
|
| 2340 |
|
|
{
|
| 2341 |
|
|
status = JAMC_PHASE_ERROR;
|
| 2342 |
|
|
}
|
| 2343 |
|
|
|
| 2344 |
|
|
index = jam_skip_instruction_name(statement_buffer);
|
| 2345 |
|
|
|
| 2346 |
|
|
if (jam_isalpha(statement_buffer[index]))
|
| 2347 |
|
|
{
|
| 2348 |
|
|
/*
|
| 2349 |
|
|
* Get the action name
|
| 2350 |
|
|
*/
|
| 2351 |
|
|
variable_begin = index;
|
| 2352 |
|
|
while ((jam_is_name_char(statement_buffer[index])) &&
|
| 2353 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 2354 |
|
|
{
|
| 2355 |
|
|
++index; /* skip over variable name */
|
| 2356 |
|
|
}
|
| 2357 |
|
|
variable_end = index;
|
| 2358 |
|
|
|
| 2359 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 2360 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 2361 |
|
|
{
|
| 2362 |
|
|
++index; /* skip over white space */
|
| 2363 |
|
|
}
|
| 2364 |
|
|
|
| 2365 |
|
|
save_ch = statement_buffer[variable_end];
|
| 2366 |
|
|
statement_buffer[variable_end] = JAMC_NULL_CHAR;
|
| 2367 |
|
|
if (jam_action == NULL)
|
| 2368 |
|
|
{
|
| 2369 |
|
|
/*
|
| 2370 |
|
|
* If no action name was specified, this is a fatal error
|
| 2371 |
|
|
*/
|
| 2372 |
|
|
status = JAMC_ACTION_NOT_FOUND;
|
| 2373 |
|
|
}
|
| 2374 |
|
|
else if (jam_stricmp(&statement_buffer[variable_begin],
|
| 2375 |
|
|
jam_action) == 0)
|
| 2376 |
|
|
{
|
| 2377 |
|
|
/* this action name matches the desired action name - execute it */
|
| 2378 |
|
|
execute = TRUE;
|
| 2379 |
|
|
jam_phase = JAM_PROCEDURE_PHASE;
|
| 2380 |
|
|
}
|
| 2381 |
|
|
statement_buffer[variable_end] = save_ch;
|
| 2382 |
|
|
|
| 2383 |
|
|
if (execute && (statement_buffer[index] == JAMC_QUOTE_CHAR))
|
| 2384 |
|
|
{
|
| 2385 |
|
|
/*
|
| 2386 |
|
|
* Get the action description string (if there is one)
|
| 2387 |
|
|
*/
|
| 2388 |
|
|
++index; /* step over quote char */
|
| 2389 |
|
|
variable_begin = index;
|
| 2390 |
|
|
|
| 2391 |
|
|
/* find matching quote */
|
| 2392 |
|
|
while ((statement_buffer[index] != JAMC_QUOTE_CHAR) &&
|
| 2393 |
|
|
(statement_buffer[index] != JAMC_NULL_CHAR) &&
|
| 2394 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 2395 |
|
|
{
|
| 2396 |
|
|
++index;
|
| 2397 |
|
|
}
|
| 2398 |
|
|
|
| 2399 |
|
|
if (statement_buffer[index] == JAMC_QUOTE_CHAR)
|
| 2400 |
|
|
{
|
| 2401 |
|
|
variable_end = index;
|
| 2402 |
|
|
|
| 2403 |
|
|
++index; /* skip over quote character */
|
| 2404 |
|
|
|
| 2405 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 2406 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 2407 |
|
|
{
|
| 2408 |
|
|
++index; /* skip over white space */
|
| 2409 |
|
|
}
|
| 2410 |
|
|
}
|
| 2411 |
|
|
}
|
| 2412 |
|
|
|
| 2413 |
|
|
if (execute && (statement_buffer[index] == JAMC_EQUAL_CHAR))
|
| 2414 |
|
|
{
|
| 2415 |
|
|
++index; /* skip over equal character */
|
| 2416 |
|
|
|
| 2417 |
|
|
/*
|
| 2418 |
|
|
* Call procedures
|
| 2419 |
|
|
*/
|
| 2420 |
|
|
while ((status == JAMC_SUCCESS) &&
|
| 2421 |
|
|
(statement_buffer[index] != JAMC_NULL_CHAR) &&
|
| 2422 |
|
|
(statement_buffer[index] != JAMC_SEMICOLON_CHAR) &&
|
| 2423 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 2424 |
|
|
{
|
| 2425 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 2426 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 2427 |
|
|
{
|
| 2428 |
|
|
++index; /* skip over white space */
|
| 2429 |
|
|
}
|
| 2430 |
|
|
|
| 2431 |
|
|
variable_begin = index;
|
| 2432 |
|
|
|
| 2433 |
|
|
while ((statement_buffer[index] != JAMC_NULL_CHAR) &&
|
| 2434 |
|
|
(statement_buffer[index] != JAMC_COMMA_CHAR) &&
|
| 2435 |
|
|
(statement_buffer[index] != JAMC_SEMICOLON_CHAR) &&
|
| 2436 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 2437 |
|
|
{
|
| 2438 |
|
|
++index;
|
| 2439 |
|
|
}
|
| 2440 |
|
|
|
| 2441 |
|
|
if ((statement_buffer[index] == JAMC_COMMA_CHAR) ||
|
| 2442 |
|
|
(statement_buffer[index] == JAMC_SEMICOLON_CHAR))
|
| 2443 |
|
|
{
|
| 2444 |
|
|
variable_end = index;
|
| 2445 |
|
|
|
| 2446 |
|
|
save_ch = statement_buffer[variable_end];
|
| 2447 |
|
|
statement_buffer[variable_end] = JAMC_NULL_CHAR;
|
| 2448 |
|
|
status = jam_call_procedure_from_action(
|
| 2449 |
|
|
&statement_buffer[variable_begin], done, exit_code);
|
| 2450 |
|
|
statement_buffer[variable_end] = save_ch;
|
| 2451 |
|
|
}
|
| 2452 |
|
|
|
| 2453 |
|
|
if (statement_buffer[index] == JAMC_COMMA_CHAR)
|
| 2454 |
|
|
{
|
| 2455 |
|
|
++index; /* step over comma */
|
| 2456 |
|
|
}
|
| 2457 |
|
|
}
|
| 2458 |
|
|
|
| 2459 |
|
|
if ((status == JAMC_SUCCESS) && !(*done))
|
| 2460 |
|
|
{
|
| 2461 |
|
|
*done = TRUE;
|
| 2462 |
|
|
*exit_code = 0; /* success */
|
| 2463 |
|
|
}
|
| 2464 |
|
|
}
|
| 2465 |
|
|
}
|
| 2466 |
|
|
|
| 2467 |
|
|
return (status);
|
| 2468 |
|
|
}
|
| 2469 |
|
|
|
| 2470 |
|
|
/****************************************************************************/
|
| 2471 |
|
|
/* */
|
| 2472 |
|
|
|
| 2473 |
|
|
JAM_RETURN_TYPE jam_process_boolean
|
| 2474 |
|
|
(
|
| 2475 |
|
|
char *statement_buffer
|
| 2476 |
|
|
)
|
| 2477 |
|
|
|
| 2478 |
|
|
/* */
|
| 2479 |
|
|
/* Description: Processes a BOOLEAN variable declaration statement */
|
| 2480 |
|
|
/* */
|
| 2481 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 2482 |
|
|
/* */
|
| 2483 |
|
|
/****************************************************************************/
|
| 2484 |
|
|
{
|
| 2485 |
|
|
int index = 0;
|
| 2486 |
|
|
int variable_begin = 0;
|
| 2487 |
|
|
int variable_end = 0;
|
| 2488 |
|
|
int dim_begin = 0;
|
| 2489 |
|
|
int dim_end = 0;
|
| 2490 |
|
|
int expr_begin = 0;
|
| 2491 |
|
|
int expr_end = 0;
|
| 2492 |
|
|
int delimiter = 0;
|
| 2493 |
|
|
long dim_value = 0L;
|
| 2494 |
|
|
long init_value = 0L;
|
| 2495 |
|
|
char save_ch = 0;
|
| 2496 |
|
|
JAME_EXPRESSION_TYPE expr_type = JAM_ILLEGAL_EXPR_TYPE;
|
| 2497 |
|
|
JAMS_SYMBOL_RECORD *symbol_record = NULL;
|
| 2498 |
|
|
JAMS_HEAP_RECORD *heap_record = NULL;
|
| 2499 |
|
|
JAM_RETURN_TYPE status = JAMC_SYNTAX_ERROR;
|
| 2500 |
|
|
|
| 2501 |
|
|
if (jam_version == 0) jam_version = 1;
|
| 2502 |
|
|
|
| 2503 |
|
|
if ((jam_version == 2) &&
|
| 2504 |
|
|
(jam_phase != JAM_PROCEDURE_PHASE) &&
|
| 2505 |
|
|
(jam_phase != JAM_DATA_PHASE))
|
| 2506 |
|
|
{
|
| 2507 |
|
|
return (JAMC_PHASE_ERROR);
|
| 2508 |
|
|
}
|
| 2509 |
|
|
|
| 2510 |
|
|
index = jam_skip_instruction_name(statement_buffer);
|
| 2511 |
|
|
|
| 2512 |
|
|
if (jam_isalpha(statement_buffer[index]))
|
| 2513 |
|
|
{
|
| 2514 |
|
|
/* locate variable name */
|
| 2515 |
|
|
variable_begin = index;
|
| 2516 |
|
|
while ((jam_is_name_char(statement_buffer[index])) &&
|
| 2517 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 2518 |
|
|
{
|
| 2519 |
|
|
++index; /* skip over variable name */
|
| 2520 |
|
|
}
|
| 2521 |
|
|
variable_end = index;
|
| 2522 |
|
|
|
| 2523 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 2524 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 2525 |
|
|
{
|
| 2526 |
|
|
++index; /* skip over white space */
|
| 2527 |
|
|
}
|
| 2528 |
|
|
|
| 2529 |
|
|
if (statement_buffer[index] == JAMC_LBRACKET_CHAR)
|
| 2530 |
|
|
{
|
| 2531 |
|
|
/*
|
| 2532 |
|
|
* Array declaration
|
| 2533 |
|
|
*/
|
| 2534 |
|
|
dim_begin = index + 1;
|
| 2535 |
|
|
while ((statement_buffer[index] != JAMC_RBRACKET_CHAR) &&
|
| 2536 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 2537 |
|
|
{
|
| 2538 |
|
|
++index; /* find matching bracket */
|
| 2539 |
|
|
}
|
| 2540 |
|
|
if (statement_buffer[index] == JAMC_RBRACKET_CHAR)
|
| 2541 |
|
|
{
|
| 2542 |
|
|
dim_end = index;
|
| 2543 |
|
|
++index;
|
| 2544 |
|
|
}
|
| 2545 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 2546 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 2547 |
|
|
{
|
| 2548 |
|
|
++index; /* skip over white space */
|
| 2549 |
|
|
}
|
| 2550 |
|
|
|
| 2551 |
|
|
if (dim_end > dim_begin)
|
| 2552 |
|
|
{
|
| 2553 |
|
|
save_ch = statement_buffer[dim_end];
|
| 2554 |
|
|
statement_buffer[dim_end] = JAMC_NULL_CHAR;
|
| 2555 |
|
|
status = jam_evaluate_expression(
|
| 2556 |
|
|
&statement_buffer[dim_begin], &dim_value, &expr_type);
|
| 2557 |
|
|
statement_buffer[dim_end] = save_ch;
|
| 2558 |
|
|
}
|
| 2559 |
|
|
|
| 2560 |
|
|
/*
|
| 2561 |
|
|
* Check for integer expression
|
| 2562 |
|
|
*/
|
| 2563 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 2564 |
|
|
(expr_type != JAM_INTEGER_EXPR) &&
|
| 2565 |
|
|
(expr_type != JAM_INT_OR_BOOL_EXPR))
|
| 2566 |
|
|
{
|
| 2567 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 2568 |
|
|
}
|
| 2569 |
|
|
|
| 2570 |
|
|
if (status == JAMC_SUCCESS)
|
| 2571 |
|
|
{
|
| 2572 |
|
|
/*
|
| 2573 |
|
|
* Add the array name to the symbol table
|
| 2574 |
|
|
*/
|
| 2575 |
|
|
save_ch = statement_buffer[variable_end];
|
| 2576 |
|
|
statement_buffer[variable_end] = JAMC_NULL_CHAR;
|
| 2577 |
|
|
status = jam_add_symbol(JAM_BOOLEAN_ARRAY_WRITABLE,
|
| 2578 |
|
|
&statement_buffer[variable_begin], 0L,
|
| 2579 |
|
|
jam_current_statement_position);
|
| 2580 |
|
|
|
| 2581 |
|
|
/* get a pointer to the symbol record */
|
| 2582 |
|
|
if (status == JAMC_SUCCESS)
|
| 2583 |
|
|
{
|
| 2584 |
|
|
status = jam_get_symbol_record(
|
| 2585 |
|
|
&statement_buffer[variable_begin], &symbol_record);
|
| 2586 |
|
|
}
|
| 2587 |
|
|
statement_buffer[variable_end] = save_ch;
|
| 2588 |
|
|
}
|
| 2589 |
|
|
|
| 2590 |
|
|
/*
|
| 2591 |
|
|
* Only initialize if array has not been initialized before
|
| 2592 |
|
|
*/
|
| 2593 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 2594 |
|
|
(symbol_record->type == JAM_BOOLEAN_ARRAY_WRITABLE) &&
|
| 2595 |
|
|
(symbol_record->value == 0))
|
| 2596 |
|
|
{
|
| 2597 |
|
|
if (statement_buffer[index] == JAMC_EQUAL_CHAR)
|
| 2598 |
|
|
{
|
| 2599 |
|
|
/*
|
| 2600 |
|
|
* Array has initialization data
|
| 2601 |
|
|
*/
|
| 2602 |
|
|
symbol_record->type = JAM_BOOLEAN_ARRAY_INITIALIZED;
|
| 2603 |
|
|
|
| 2604 |
|
|
status = jam_add_heap_record(symbol_record, &heap_record,
|
| 2605 |
|
|
dim_value);
|
| 2606 |
|
|
|
| 2607 |
|
|
if (status == JAMC_SUCCESS)
|
| 2608 |
|
|
{
|
| 2609 |
|
|
symbol_record->value = (long) heap_record;
|
| 2610 |
|
|
|
| 2611 |
|
|
/*
|
| 2612 |
|
|
* Initialize heap data for array
|
| 2613 |
|
|
*/
|
| 2614 |
|
|
status = jam_read_boolean_array_data(heap_record,
|
| 2615 |
|
|
&statement_buffer[index + 1]);
|
| 2616 |
|
|
}
|
| 2617 |
|
|
}
|
| 2618 |
|
|
else if (statement_buffer[index] == JAMC_SEMICOLON_CHAR)
|
| 2619 |
|
|
{
|
| 2620 |
|
|
/*
|
| 2621 |
|
|
* Array has no initialization data.
|
| 2622 |
|
|
* Allocate a buffer on the heap:
|
| 2623 |
|
|
*/
|
| 2624 |
|
|
status = jam_add_heap_record(symbol_record, &heap_record,
|
| 2625 |
|
|
dim_value);
|
| 2626 |
|
|
|
| 2627 |
|
|
if (status == JAMC_SUCCESS)
|
| 2628 |
|
|
{
|
| 2629 |
|
|
symbol_record->value = (long) heap_record;
|
| 2630 |
|
|
}
|
| 2631 |
|
|
}
|
| 2632 |
|
|
}
|
| 2633 |
|
|
}
|
| 2634 |
|
|
else
|
| 2635 |
|
|
{
|
| 2636 |
|
|
/*
|
| 2637 |
|
|
* Scalar variable declaration
|
| 2638 |
|
|
*/
|
| 2639 |
|
|
if (statement_buffer[index] == JAMC_SEMICOLON_CHAR)
|
| 2640 |
|
|
{
|
| 2641 |
|
|
status = JAMC_SUCCESS;
|
| 2642 |
|
|
}
|
| 2643 |
|
|
else if (statement_buffer[index] == JAMC_EQUAL_CHAR)
|
| 2644 |
|
|
{
|
| 2645 |
|
|
/*
|
| 2646 |
|
|
* Evaluate initialization expression
|
| 2647 |
|
|
*/
|
| 2648 |
|
|
++index;
|
| 2649 |
|
|
status = jam_find_argument(&statement_buffer[index],
|
| 2650 |
|
|
&expr_begin, &expr_end, &delimiter);
|
| 2651 |
|
|
|
| 2652 |
|
|
expr_begin += index;
|
| 2653 |
|
|
expr_end += index;
|
| 2654 |
|
|
delimiter += index;
|
| 2655 |
|
|
|
| 2656 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 2657 |
|
|
(statement_buffer[delimiter] != JAMC_SEMICOLON_CHAR))
|
| 2658 |
|
|
{
|
| 2659 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 2660 |
|
|
}
|
| 2661 |
|
|
|
| 2662 |
|
|
if ((status == JAMC_SUCCESS) && (expr_end > expr_begin))
|
| 2663 |
|
|
{
|
| 2664 |
|
|
save_ch = statement_buffer[expr_end];
|
| 2665 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 2666 |
|
|
status = jam_evaluate_expression(
|
| 2667 |
|
|
&statement_buffer[expr_begin], &init_value, &expr_type);
|
| 2668 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 2669 |
|
|
}
|
| 2670 |
|
|
|
| 2671 |
|
|
/*
|
| 2672 |
|
|
* Check for Boolean expression
|
| 2673 |
|
|
*/
|
| 2674 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 2675 |
|
|
(expr_type != JAM_BOOLEAN_EXPR) &&
|
| 2676 |
|
|
(expr_type != JAM_INT_OR_BOOL_EXPR))
|
| 2677 |
|
|
{
|
| 2678 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 2679 |
|
|
}
|
| 2680 |
|
|
}
|
| 2681 |
|
|
|
| 2682 |
|
|
if (status == JAMC_SUCCESS)
|
| 2683 |
|
|
{
|
| 2684 |
|
|
/*
|
| 2685 |
|
|
* Add the variable name to the symbol table
|
| 2686 |
|
|
*/
|
| 2687 |
|
|
save_ch = statement_buffer[variable_end];
|
| 2688 |
|
|
statement_buffer[variable_end] = JAMC_NULL_CHAR;
|
| 2689 |
|
|
status = jam_add_symbol(JAM_BOOLEAN_SYMBOL,
|
| 2690 |
|
|
&statement_buffer[variable_begin],
|
| 2691 |
|
|
init_value, jam_current_statement_position);
|
| 2692 |
|
|
statement_buffer[variable_end] = save_ch;
|
| 2693 |
|
|
}
|
| 2694 |
|
|
}
|
| 2695 |
|
|
}
|
| 2696 |
|
|
|
| 2697 |
|
|
return (status);
|
| 2698 |
|
|
}
|
| 2699 |
|
|
|
| 2700 |
|
|
/****************************************************************************/
|
| 2701 |
|
|
/* */
|
| 2702 |
|
|
|
| 2703 |
|
|
JAM_RETURN_TYPE jam_process_call_or_goto
|
| 2704 |
|
|
(
|
| 2705 |
|
|
char *statement_buffer,
|
| 2706 |
|
|
BOOL call_statement,
|
| 2707 |
|
|
BOOL *done,
|
| 2708 |
|
|
int *exit_code
|
| 2709 |
|
|
)
|
| 2710 |
|
|
|
| 2711 |
|
|
/* */
|
| 2712 |
|
|
/* Description: Processes a CALL or GOTO statement. If it is a CALL */
|
| 2713 |
|
|
/* statement, a stack record is pushed onto the stack. */
|
| 2714 |
|
|
/* */
|
| 2715 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 2716 |
|
|
/* */
|
| 2717 |
|
|
/****************************************************************************/
|
| 2718 |
|
|
{
|
| 2719 |
|
|
int index = 0;
|
| 2720 |
|
|
int label_begin = 0;
|
| 2721 |
|
|
int label_end = 0;
|
| 2722 |
|
|
char save_ch = 0;
|
| 2723 |
|
|
JAM_RETURN_TYPE status = JAMC_SYNTAX_ERROR;
|
| 2724 |
|
|
JAMS_SYMBOL_RECORD *symbol_record = NULL;
|
| 2725 |
|
|
JAME_SYMBOL_TYPE symbol_type = JAM_LABEL;
|
| 2726 |
|
|
long current_position = 0L;
|
| 2727 |
|
|
long goto_position = -1L;
|
| 2728 |
|
|
long return_position = jam_next_statement_position;
|
| 2729 |
|
|
char label_buffer[JAMC_MAX_NAME_LENGTH + 1];
|
| 2730 |
|
|
char goto_label[JAMC_MAX_NAME_LENGTH + 1];
|
| 2731 |
|
|
BOOL found = FALSE;
|
| 2732 |
|
|
|
| 2733 |
|
|
if (jam_version == 0) jam_version = 1;
|
| 2734 |
|
|
|
| 2735 |
|
|
if ((jam_version == 2) && (jam_phase != JAM_PROCEDURE_PHASE))
|
| 2736 |
|
|
{
|
| 2737 |
|
|
return (JAMC_PHASE_ERROR);
|
| 2738 |
|
|
}
|
| 2739 |
|
|
|
| 2740 |
|
|
if ((jam_version == 2) && call_statement)
|
| 2741 |
|
|
{
|
| 2742 |
|
|
symbol_type = JAM_PROCEDURE_BLOCK;
|
| 2743 |
|
|
}
|
| 2744 |
|
|
|
| 2745 |
|
|
index = jam_skip_instruction_name(statement_buffer);
|
| 2746 |
|
|
|
| 2747 |
|
|
/*
|
| 2748 |
|
|
* Extract the label name from the statement buffer.
|
| 2749 |
|
|
*/
|
| 2750 |
|
|
if (jam_isalpha(statement_buffer[index]) && !found)
|
| 2751 |
|
|
{
|
| 2752 |
|
|
/* locate label name */
|
| 2753 |
|
|
label_begin = index;
|
| 2754 |
|
|
while ((jam_is_name_char(statement_buffer[index])) &&
|
| 2755 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 2756 |
|
|
{
|
| 2757 |
|
|
++index; /* skip over label name */
|
| 2758 |
|
|
}
|
| 2759 |
|
|
label_end = index;
|
| 2760 |
|
|
|
| 2761 |
|
|
save_ch = statement_buffer[label_end];
|
| 2762 |
|
|
statement_buffer[label_end] = JAMC_NULL_CHAR;
|
| 2763 |
|
|
jam_strcpy(goto_label, &statement_buffer[label_begin]);
|
| 2764 |
|
|
statement_buffer[label_end] = save_ch;
|
| 2765 |
|
|
|
| 2766 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 2767 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 2768 |
|
|
{
|
| 2769 |
|
|
++index; /* skip over white space */
|
| 2770 |
|
|
}
|
| 2771 |
|
|
|
| 2772 |
|
|
if (statement_buffer[index] == JAMC_SEMICOLON_CHAR)
|
| 2773 |
|
|
{
|
| 2774 |
|
|
/*
|
| 2775 |
|
|
* Look in symbol table for label
|
| 2776 |
|
|
*/
|
| 2777 |
|
|
save_ch = statement_buffer[label_end];
|
| 2778 |
|
|
statement_buffer[label_end] = JAMC_NULL_CHAR;
|
| 2779 |
|
|
status = jam_get_symbol_record(
|
| 2780 |
|
|
&statement_buffer[label_begin], &symbol_record);
|
| 2781 |
|
|
|
| 2782 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 2783 |
|
|
(symbol_record->type == symbol_type))
|
| 2784 |
|
|
{
|
| 2785 |
|
|
/*
|
| 2786 |
|
|
* Label is defined - get the address for the jump
|
| 2787 |
|
|
*/
|
| 2788 |
|
|
goto_position = symbol_record->position;
|
| 2789 |
|
|
}
|
| 2790 |
|
|
else if (status == JAMC_UNDEFINED_SYMBOL)
|
| 2791 |
|
|
{
|
| 2792 |
|
|
/*
|
| 2793 |
|
|
* Label is not defined... may be a forward reference.
|
| 2794 |
|
|
* Search through the file to find the symbol.
|
| 2795 |
|
|
*/
|
| 2796 |
|
|
current_position = jam_current_statement_position;
|
| 2797 |
|
|
|
| 2798 |
|
|
status = JAMC_SUCCESS;
|
| 2799 |
|
|
|
| 2800 |
|
|
while ((!found) && (status == JAMC_SUCCESS))
|
| 2801 |
|
|
{
|
| 2802 |
|
|
/*
|
| 2803 |
|
|
* Get statements without executing them
|
| 2804 |
|
|
*/
|
| 2805 |
|
|
status = jam_get_statement(statement_buffer, label_buffer);
|
| 2806 |
|
|
|
| 2807 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 2808 |
|
|
(label_buffer[0] != JAMC_NULL_CHAR))
|
| 2809 |
|
|
{
|
| 2810 |
|
|
/*
|
| 2811 |
|
|
* If there is a label, add it to the symbol table
|
| 2812 |
|
|
*/
|
| 2813 |
|
|
status = jam_add_symbol(JAM_LABEL, label_buffer, 0L,
|
| 2814 |
|
|
jam_current_statement_position);
|
| 2815 |
|
|
|
| 2816 |
|
|
/*
|
| 2817 |
|
|
* Is it the label we are looking for?
|
| 2818 |
|
|
*/
|
| 2819 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 2820 |
|
|
(jam_strcmp(label_buffer, goto_label) == 0))
|
| 2821 |
|
|
{
|
| 2822 |
|
|
/*
|
| 2823 |
|
|
* We found the label we were looking for.
|
| 2824 |
|
|
* Get the address for the jump.
|
| 2825 |
|
|
*/
|
| 2826 |
|
|
found = TRUE;
|
| 2827 |
|
|
goto_position = jam_current_statement_position;
|
| 2828 |
|
|
}
|
| 2829 |
|
|
}
|
| 2830 |
|
|
|
| 2831 |
|
|
/*
|
| 2832 |
|
|
* In Jam 2.0, only search inside current procedure
|
| 2833 |
|
|
*/
|
| 2834 |
|
|
if ((status == JAMC_SUCCESS) && (!found) &&
|
| 2835 |
|
|
(jam_version == 2) && (jam_get_instruction(
|
| 2836 |
|
|
statement_buffer) == JAM_ENDPROC_INSTR))
|
| 2837 |
|
|
{
|
| 2838 |
|
|
status = JAMC_UNDEFINED_SYMBOL;
|
| 2839 |
|
|
}
|
| 2840 |
|
|
}
|
| 2841 |
|
|
|
| 2842 |
|
|
if (!found)
|
| 2843 |
|
|
{
|
| 2844 |
|
|
/* label was not found -- report "undefined symbol" */
|
| 2845 |
|
|
/* rather than "unexpected EOF" */
|
| 2846 |
|
|
status = JAMC_UNDEFINED_SYMBOL;
|
| 2847 |
|
|
|
| 2848 |
|
|
/* seek to location of the CALL or GOTO statement */
|
| 2849 |
|
|
/* which caused the error */
|
| 2850 |
|
|
jam_seek(current_position);
|
| 2851 |
|
|
jam_current_file_position = current_position;
|
| 2852 |
|
|
jam_current_statement_position = current_position;
|
| 2853 |
|
|
}
|
| 2854 |
|
|
}
|
| 2855 |
|
|
|
| 2856 |
|
|
statement_buffer[label_end] = save_ch;
|
| 2857 |
|
|
|
| 2858 |
|
|
/*
|
| 2859 |
|
|
* If this is a CALL statement (not a GOTO) then push a CALL
|
| 2860 |
|
|
* record onto the stack
|
| 2861 |
|
|
*/
|
| 2862 |
|
|
if ((call_statement) && (status == JAMC_SUCCESS) &&
|
| 2863 |
|
|
(goto_position != (-1L)) && (jam_version != 2))
|
| 2864 |
|
|
{
|
| 2865 |
|
|
status = jam_push_callret_record(return_position);
|
| 2866 |
|
|
}
|
| 2867 |
|
|
|
| 2868 |
|
|
/*
|
| 2869 |
|
|
* Now seek to the desired position so we can execute that
|
| 2870 |
|
|
* statement next
|
| 2871 |
|
|
*/
|
| 2872 |
|
|
if ((status == JAMC_SUCCESS) && (goto_position != (-1L)) &&
|
| 2873 |
|
|
((jam_version != 2) || (!call_statement)))
|
| 2874 |
|
|
{
|
| 2875 |
|
|
if (jam_seek(goto_position) == 0)
|
| 2876 |
|
|
{
|
| 2877 |
|
|
jam_current_file_position = goto_position;
|
| 2878 |
|
|
}
|
| 2879 |
|
|
else
|
| 2880 |
|
|
{
|
| 2881 |
|
|
/* seek failed */
|
| 2882 |
|
|
status = JAMC_IO_ERROR;
|
| 2883 |
|
|
}
|
| 2884 |
|
|
}
|
| 2885 |
|
|
|
| 2886 |
|
|
/*
|
| 2887 |
|
|
* Call a procedure block in Jam 2.0
|
| 2888 |
|
|
*/
|
| 2889 |
|
|
if (call_statement && (jam_version == 2))
|
| 2890 |
|
|
{
|
| 2891 |
|
|
status = jam_call_procedure_from_procedure(
|
| 2892 |
|
|
goto_label, done, exit_code);
|
| 2893 |
|
|
}
|
| 2894 |
|
|
}
|
| 2895 |
|
|
}
|
| 2896 |
|
|
|
| 2897 |
|
|
return (status);
|
| 2898 |
|
|
}
|
| 2899 |
|
|
|
| 2900 |
|
|
JAM_RETURN_TYPE jam_process_data
|
| 2901 |
|
|
(
|
| 2902 |
|
|
char *statement_buffer
|
| 2903 |
|
|
)
|
| 2904 |
|
|
{
|
| 2905 |
|
|
int index = 0;
|
| 2906 |
|
|
int name_begin = 0;
|
| 2907 |
|
|
int name_end = 0;
|
| 2908 |
|
|
char save_ch = 0;
|
| 2909 |
|
|
JAM_RETURN_TYPE status = JAMC_SUCCESS;
|
| 2910 |
|
|
JAMS_SYMBOL_RECORD *symbol_record = NULL;
|
| 2911 |
|
|
|
| 2912 |
|
|
if (jam_version == 0) jam_version = 2;
|
| 2913 |
|
|
|
| 2914 |
|
|
if (jam_version == 1) status = JAMC_SYNTAX_ERROR;
|
| 2915 |
|
|
|
| 2916 |
|
|
if ((jam_version == 2) &&
|
| 2917 |
|
|
(jam_phase != JAM_PROCEDURE_PHASE) &&
|
| 2918 |
|
|
(jam_phase != JAM_DATA_PHASE))
|
| 2919 |
|
|
{
|
| 2920 |
|
|
status = JAMC_PHASE_ERROR;
|
| 2921 |
|
|
}
|
| 2922 |
|
|
|
| 2923 |
|
|
if ((jam_version == 2) && (jam_phase == JAM_ACTION_PHASE))
|
| 2924 |
|
|
{
|
| 2925 |
|
|
status = JAMC_ACTION_NOT_FOUND;
|
| 2926 |
|
|
}
|
| 2927 |
|
|
|
| 2928 |
|
|
if (status == JAMC_SUCCESS)
|
| 2929 |
|
|
{
|
| 2930 |
|
|
index = jam_skip_instruction_name(statement_buffer);
|
| 2931 |
|
|
|
| 2932 |
|
|
if (jam_isalpha(statement_buffer[index]))
|
| 2933 |
|
|
{
|
| 2934 |
|
|
/*
|
| 2935 |
|
|
* Get the data block name
|
| 2936 |
|
|
*/
|
| 2937 |
|
|
name_begin = index;
|
| 2938 |
|
|
while ((jam_is_name_char(statement_buffer[index])) &&
|
| 2939 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 2940 |
|
|
{
|
| 2941 |
|
|
++index; /* skip over data block name */
|
| 2942 |
|
|
}
|
| 2943 |
|
|
name_end = index;
|
| 2944 |
|
|
|
| 2945 |
|
|
save_ch = statement_buffer[name_end];
|
| 2946 |
|
|
statement_buffer[name_end] = JAMC_NULL_CHAR;
|
| 2947 |
|
|
status = jam_add_symbol(JAM_DATA_BLOCK,
|
| 2948 |
|
|
&statement_buffer[name_begin], 0L,
|
| 2949 |
|
|
jam_current_statement_position);
|
| 2950 |
|
|
|
| 2951 |
|
|
/* get a pointer to the symbol record */
|
| 2952 |
|
|
if (status == JAMC_SUCCESS)
|
| 2953 |
|
|
{
|
| 2954 |
|
|
status = jam_get_symbol_record(
|
| 2955 |
|
|
&statement_buffer[name_begin], &symbol_record);
|
| 2956 |
|
|
}
|
| 2957 |
|
|
statement_buffer[name_end] = save_ch;
|
| 2958 |
|
|
|
| 2959 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 2960 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 2961 |
|
|
{
|
| 2962 |
|
|
++index; /* skip over white space */
|
| 2963 |
|
|
}
|
| 2964 |
|
|
}
|
| 2965 |
|
|
else
|
| 2966 |
|
|
{
|
| 2967 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 2968 |
|
|
}
|
| 2969 |
|
|
|
| 2970 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 2971 |
|
|
(statement_buffer[index] != JAMC_SEMICOLON_CHAR))
|
| 2972 |
|
|
{
|
| 2973 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 2974 |
|
|
}
|
| 2975 |
|
|
}
|
| 2976 |
|
|
|
| 2977 |
|
|
return (status);
|
| 2978 |
|
|
}
|
| 2979 |
|
|
|
| 2980 |
|
|
/****************************************************************************/
|
| 2981 |
|
|
/* */
|
| 2982 |
|
|
|
| 2983 |
|
|
JAM_RETURN_TYPE jam_process_drscan_compare
|
| 2984 |
|
|
(
|
| 2985 |
|
|
char *statement_buffer,
|
| 2986 |
|
|
long count_value,
|
| 2987 |
|
|
long *in_data,
|
| 2988 |
|
|
long in_index
|
| 2989 |
|
|
)
|
| 2990 |
|
|
|
| 2991 |
|
|
/* */
|
| 2992 |
|
|
/* Description: Processes the arguments for the COMPARE version of the */
|
| 2993 |
|
|
/* DRSCAN statement. Calls jam_swap_dr() to access the */
|
| 2994 |
|
|
/* JTAG hardware interface. */
|
| 2995 |
|
|
/* */
|
| 2996 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 2997 |
|
|
/* */
|
| 2998 |
|
|
/****************************************************************************/
|
| 2999 |
|
|
{
|
| 3000 |
|
|
|
| 3001 |
|
|
/* syntax: DRSCAN <length> [, <data>] [COMPARE <array>, <mask>, <result>] ; */
|
| 3002 |
|
|
|
| 3003 |
|
|
int bit = 0;
|
| 3004 |
|
|
int index = 0;
|
| 3005 |
|
|
int expr_begin = 0;
|
| 3006 |
|
|
int expr_end = 0;
|
| 3007 |
|
|
int delimiter = 0;
|
| 3008 |
|
|
int actual = 0;
|
| 3009 |
|
|
int expected = 0;
|
| 3010 |
|
|
int mask = 0;
|
| 3011 |
|
|
long comp_start_index = 0L;
|
| 3012 |
|
|
long comp_stop_index = 0L;
|
| 3013 |
|
|
long mask_start_index = 0L;
|
| 3014 |
|
|
long mask_stop_index = 0L;
|
| 3015 |
|
|
long start_index = 0;
|
| 3016 |
|
|
char save_ch = 0;
|
| 3017 |
|
|
long *temp_array = NULL;
|
| 3018 |
|
|
BOOL result = TRUE;
|
| 3019 |
|
|
JAMS_SYMBOL_RECORD *symbol_record = NULL;
|
| 3020 |
|
|
JAMS_HEAP_RECORD *heap_record = NULL;
|
| 3021 |
|
|
long *comp_data = NULL;
|
| 3022 |
|
|
long *mask_data = NULL;
|
| 3023 |
|
|
long *literal_array_data = NULL;
|
| 3024 |
|
|
JAM_RETURN_TYPE status = JAMC_SYNTAX_ERROR;
|
| 3025 |
|
|
|
| 3026 |
|
|
long* tdi_data = NULL;
|
| 3027 |
|
|
|
| 3028 |
|
|
if ((jam_strncmp(statement_buffer, "CAPTURE", 7) == 0) &&
|
| 3029 |
|
|
(jam_isspace(statement_buffer[7]))) {
|
| 3030 |
|
|
|
| 3031 |
|
|
long stop_index;
|
| 3032 |
|
|
|
| 3033 |
|
|
/* Next argument should be the capture array */
|
| 3034 |
|
|
|
| 3035 |
|
|
statement_buffer += 8;
|
| 3036 |
|
|
|
| 3037 |
|
|
status = jam_find_argument(statement_buffer,
|
| 3038 |
|
|
&expr_begin, &expr_end, &delimiter);
|
| 3039 |
|
|
|
| 3040 |
|
|
if (status == JAMC_SUCCESS)
|
| 3041 |
|
|
{
|
| 3042 |
|
|
save_ch = statement_buffer[expr_end];
|
| 3043 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 3044 |
|
|
status = jam_get_array_argument(&statement_buffer[expr_begin],
|
| 3045 |
|
|
&symbol_record, &literal_array_data,
|
| 3046 |
|
|
&start_index, &stop_index, 1);
|
| 3047 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 3048 |
|
|
}
|
| 3049 |
|
|
|
| 3050 |
|
|
|
| 3051 |
|
|
|
| 3052 |
|
|
|
| 3053 |
|
|
if ((status == JAMC_SUCCESS) && (literal_array_data != NULL))
|
| 3054 |
|
|
{
|
| 3055 |
|
|
/* literal array may not be used for capture buffer */
|
| 3056 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 3057 |
|
|
}
|
| 3058 |
|
|
|
| 3059 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 3060 |
|
|
(stop_index != start_index + count_value - 1))
|
| 3061 |
|
|
{
|
| 3062 |
|
|
status = JAMC_BOUNDS_ERROR;
|
| 3063 |
|
|
}
|
| 3064 |
|
|
|
| 3065 |
|
|
if (status == JAMC_SUCCESS)
|
| 3066 |
|
|
{
|
| 3067 |
|
|
if (symbol_record != NULL)
|
| 3068 |
|
|
{
|
| 3069 |
|
|
heap_record = (JAMS_HEAP_RECORD *)symbol_record->value;
|
| 3070 |
|
|
|
| 3071 |
|
|
if (heap_record != NULL)
|
| 3072 |
|
|
{
|
| 3073 |
|
|
tdi_data = heap_record->data;
|
| 3074 |
|
|
}
|
| 3075 |
|
|
else
|
| 3076 |
|
|
{
|
| 3077 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 3078 |
|
|
}
|
| 3079 |
|
|
}
|
| 3080 |
|
|
else
|
| 3081 |
|
|
{
|
| 3082 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 3083 |
|
|
}
|
| 3084 |
|
|
}
|
| 3085 |
|
|
|
| 3086 |
|
|
if (status == JAMC_SUCCESS) {
|
| 3087 |
|
|
if (statement_buffer[delimiter] == JAMC_SEMICOLON_CHAR)
|
| 3088 |
|
|
{
|
| 3089 |
|
|
status = jam_swap_dr(count_value, in_data, in_index,
|
| 3090 |
|
|
tdi_data, start_index);
|
| 3091 |
|
|
return status;
|
| 3092 |
|
|
} else if (statement_buffer[delimiter] == JAMC_COMMA_CHAR) {
|
| 3093 |
|
|
statement_buffer = statement_buffer + delimiter+1;
|
| 3094 |
|
|
} else {
|
| 3095 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 3096 |
|
|
return status;
|
| 3097 |
|
|
}
|
| 3098 |
|
|
}
|
| 3099 |
|
|
|
| 3100 |
|
|
}
|
| 3101 |
|
|
|
| 3102 |
|
|
|
| 3103 |
|
|
|
| 3104 |
|
|
if ((jam_strncmp(statement_buffer, "COMPARE", 7) == 0) &&
|
| 3105 |
|
|
(jam_isspace(statement_buffer[7]))) {
|
| 3106 |
|
|
statement_buffer += 8;
|
| 3107 |
|
|
} else {
|
| 3108 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 3109 |
|
|
return status;
|
| 3110 |
|
|
}
|
| 3111 |
|
|
|
| 3112 |
|
|
|
| 3113 |
|
|
|
| 3114 |
|
|
|
| 3115 |
|
|
|
| 3116 |
|
|
|
| 3117 |
|
|
/*
|
| 3118 |
|
|
* Statement buffer should contain the part of the statement string
|
| 3119 |
|
|
* after the COMPARE keyword.
|
| 3120 |
|
|
*
|
| 3121 |
|
|
* The first argument should be the compare array.
|
| 3122 |
|
|
*/
|
| 3123 |
|
|
status = jam_find_argument(statement_buffer,
|
| 3124 |
|
|
&expr_begin, &expr_end, &delimiter);
|
| 3125 |
|
|
|
| 3126 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 3127 |
|
|
(statement_buffer[delimiter] != JAMC_COMMA_CHAR))
|
| 3128 |
|
|
{
|
| 3129 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 3130 |
|
|
}
|
| 3131 |
|
|
|
| 3132 |
|
|
if (status == JAMC_SUCCESS)
|
| 3133 |
|
|
{
|
| 3134 |
|
|
save_ch = statement_buffer[expr_end];
|
| 3135 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 3136 |
|
|
status = jam_get_array_argument(&statement_buffer[expr_begin],
|
| 3137 |
|
|
&symbol_record, &literal_array_data,
|
| 3138 |
|
|
&comp_start_index, &comp_stop_index, 1);
|
| 3139 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 3140 |
|
|
index = delimiter + 1;
|
| 3141 |
|
|
}
|
| 3142 |
|
|
|
| 3143 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 3144 |
|
|
(literal_array_data != NULL) &&
|
| 3145 |
|
|
(comp_start_index == 0) &&
|
| 3146 |
|
|
(comp_stop_index > count_value - 1))
|
| 3147 |
|
|
{
|
| 3148 |
|
|
comp_stop_index = count_value - 1;
|
| 3149 |
|
|
}
|
| 3150 |
|
|
|
| 3151 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 3152 |
|
|
(comp_stop_index != comp_start_index + count_value - 1))
|
| 3153 |
|
|
{
|
| 3154 |
|
|
status = JAMC_BOUNDS_ERROR;
|
| 3155 |
|
|
}
|
| 3156 |
|
|
|
| 3157 |
|
|
if (status == JAMC_SUCCESS)
|
| 3158 |
|
|
{
|
| 3159 |
|
|
if (symbol_record != NULL)
|
| 3160 |
|
|
{
|
| 3161 |
|
|
heap_record = (JAMS_HEAP_RECORD *)symbol_record->value;
|
| 3162 |
|
|
|
| 3163 |
|
|
if (heap_record != NULL)
|
| 3164 |
|
|
{
|
| 3165 |
|
|
comp_data = heap_record->data;
|
| 3166 |
|
|
}
|
| 3167 |
|
|
else
|
| 3168 |
|
|
{
|
| 3169 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 3170 |
|
|
}
|
| 3171 |
|
|
}
|
| 3172 |
|
|
else if (literal_array_data != NULL)
|
| 3173 |
|
|
{
|
| 3174 |
|
|
comp_data = literal_array_data;
|
| 3175 |
|
|
}
|
| 3176 |
|
|
else
|
| 3177 |
|
|
{
|
| 3178 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 3179 |
|
|
}
|
| 3180 |
|
|
}
|
| 3181 |
|
|
|
| 3182 |
|
|
/*
|
| 3183 |
|
|
* Find the next argument -- should be the mask array
|
| 3184 |
|
|
*/
|
| 3185 |
|
|
if (status == JAMC_SUCCESS)
|
| 3186 |
|
|
{
|
| 3187 |
|
|
status = jam_find_argument(&statement_buffer[index],
|
| 3188 |
|
|
&expr_begin, &expr_end, &delimiter);
|
| 3189 |
|
|
|
| 3190 |
|
|
expr_begin += index;
|
| 3191 |
|
|
expr_end += index;
|
| 3192 |
|
|
delimiter += index;
|
| 3193 |
|
|
}
|
| 3194 |
|
|
|
| 3195 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 3196 |
|
|
(statement_buffer[delimiter] != JAMC_COMMA_CHAR))
|
| 3197 |
|
|
{
|
| 3198 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 3199 |
|
|
}
|
| 3200 |
|
|
|
| 3201 |
|
|
if (status == JAMC_SUCCESS)
|
| 3202 |
|
|
{
|
| 3203 |
|
|
save_ch = statement_buffer[expr_end];
|
| 3204 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 3205 |
|
|
status = jam_get_array_argument(&statement_buffer[expr_begin],
|
| 3206 |
|
|
&symbol_record, &literal_array_data,
|
| 3207 |
|
|
&mask_start_index, &mask_stop_index, 2);
|
| 3208 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 3209 |
|
|
index = delimiter + 1;
|
| 3210 |
|
|
}
|
| 3211 |
|
|
|
| 3212 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 3213 |
|
|
(literal_array_data != NULL) &&
|
| 3214 |
|
|
(mask_start_index == 0) &&
|
| 3215 |
|
|
(mask_stop_index > count_value - 1))
|
| 3216 |
|
|
{
|
| 3217 |
|
|
mask_stop_index = count_value - 1;
|
| 3218 |
|
|
}
|
| 3219 |
|
|
|
| 3220 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 3221 |
|
|
(mask_stop_index != mask_start_index + count_value - 1))
|
| 3222 |
|
|
{
|
| 3223 |
|
|
status = JAMC_BOUNDS_ERROR;
|
| 3224 |
|
|
}
|
| 3225 |
|
|
|
| 3226 |
|
|
if (status == JAMC_SUCCESS)
|
| 3227 |
|
|
{
|
| 3228 |
|
|
if (symbol_record != NULL)
|
| 3229 |
|
|
{
|
| 3230 |
|
|
heap_record = (JAMS_HEAP_RECORD *)symbol_record->value;
|
| 3231 |
|
|
|
| 3232 |
|
|
if (heap_record != NULL)
|
| 3233 |
|
|
{
|
| 3234 |
|
|
mask_data = heap_record->data;
|
| 3235 |
|
|
}
|
| 3236 |
|
|
else
|
| 3237 |
|
|
{
|
| 3238 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 3239 |
|
|
}
|
| 3240 |
|
|
}
|
| 3241 |
|
|
else if (literal_array_data != NULL)
|
| 3242 |
|
|
{
|
| 3243 |
|
|
mask_data = literal_array_data;
|
| 3244 |
|
|
}
|
| 3245 |
|
|
else
|
| 3246 |
|
|
{
|
| 3247 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 3248 |
|
|
}
|
| 3249 |
|
|
}
|
| 3250 |
|
|
|
| 3251 |
|
|
/*
|
| 3252 |
|
|
* Find the third argument -- should be the result variable
|
| 3253 |
|
|
*/
|
| 3254 |
|
|
if (status == JAMC_SUCCESS)
|
| 3255 |
|
|
{
|
| 3256 |
|
|
status = jam_find_argument(&statement_buffer[index],
|
| 3257 |
|
|
&expr_begin, &expr_end, &delimiter);
|
| 3258 |
|
|
|
| 3259 |
|
|
expr_begin += index;
|
| 3260 |
|
|
expr_end += index;
|
| 3261 |
|
|
delimiter += index;
|
| 3262 |
|
|
}
|
| 3263 |
|
|
|
| 3264 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 3265 |
|
|
(statement_buffer[delimiter] != JAMC_SEMICOLON_CHAR))
|
| 3266 |
|
|
{
|
| 3267 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 3268 |
|
|
}
|
| 3269 |
|
|
|
| 3270 |
|
|
/*
|
| 3271 |
|
|
* Result must be a scalar Boolean variable
|
| 3272 |
|
|
*/
|
| 3273 |
|
|
if (status == JAMC_SUCCESS)
|
| 3274 |
|
|
{
|
| 3275 |
|
|
save_ch = statement_buffer[expr_end];
|
| 3276 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 3277 |
|
|
status = jam_get_symbol_record(&statement_buffer[expr_begin],
|
| 3278 |
|
|
&symbol_record);
|
| 3279 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 3280 |
|
|
|
| 3281 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 3282 |
|
|
(symbol_record->type != JAM_BOOLEAN_SYMBOL))
|
| 3283 |
|
|
{
|
| 3284 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 3285 |
|
|
}
|
| 3286 |
|
|
}
|
| 3287 |
|
|
|
| 3288 |
|
|
/*
|
| 3289 |
|
|
* Find some free memory on the heap
|
| 3290 |
|
|
*/
|
| 3291 |
|
|
if (status == JAMC_SUCCESS)
|
| 3292 |
|
|
{
|
| 3293 |
|
|
if (tdi_data != NULL) {
|
| 3294 |
|
|
temp_array = tdi_data;
|
| 3295 |
|
|
} else {
|
| 3296 |
|
|
temp_array = jam_get_temp_workspace((count_value >> 3) + 4);
|
| 3297 |
|
|
|
| 3298 |
|
|
if (temp_array == NULL)
|
| 3299 |
|
|
{
|
| 3300 |
|
|
status = JAMC_OUT_OF_MEMORY;
|
| 3301 |
|
|
}
|
| 3302 |
|
|
start_index = 0;
|
| 3303 |
|
|
}
|
| 3304 |
|
|
}
|
| 3305 |
|
|
|
| 3306 |
|
|
/*
|
| 3307 |
|
|
* Do the JTAG operation, saving the result in temp_array
|
| 3308 |
|
|
*/
|
| 3309 |
|
|
if (status == JAMC_SUCCESS)
|
| 3310 |
|
|
{
|
| 3311 |
|
|
status = jam_swap_dr(count_value, in_data, in_index, temp_array,
|
| 3312 |
|
|
start_index);
|
| 3313 |
|
|
}
|
| 3314 |
|
|
|
| 3315 |
|
|
/*
|
| 3316 |
|
|
* Mask the data and do the comparison
|
| 3317 |
|
|
*/
|
| 3318 |
|
|
if (status == JAMC_SUCCESS)
|
| 3319 |
|
|
{
|
| 3320 |
|
|
long end_index = start_index + count_value;
|
| 3321 |
|
|
for (bit = start_index; (bit < end_index) && result; ++bit)
|
| 3322 |
|
|
{
|
| 3323 |
|
|
actual = temp_array[bit >> 5] & (1L << (bit & 0x1f)) ? 1 : 0;
|
| 3324 |
|
|
expected = comp_data[(bit + comp_start_index) >> 5]
|
| 3325 |
|
|
& (1L << ((bit + comp_start_index) & 0x1f)) ? 1 : 0;
|
| 3326 |
|
|
mask = mask_data[(bit + mask_start_index) >> 5]
|
| 3327 |
|
|
& (1L << ((bit + mask_start_index) & 0x1f)) ? 1 : 0;
|
| 3328 |
|
|
|
| 3329 |
|
|
if ((actual & mask) != (expected & mask))
|
| 3330 |
|
|
{
|
| 3331 |
|
|
result = FALSE;
|
| 3332 |
|
|
}
|
| 3333 |
|
|
}
|
| 3334 |
|
|
|
| 3335 |
|
|
symbol_record->value = result ? 1L : 0L;
|
| 3336 |
|
|
}
|
| 3337 |
|
|
|
| 3338 |
|
|
if (tdi_data == NULL) {
|
| 3339 |
|
|
if (temp_array != NULL) jam_free_temp_workspace(temp_array);
|
| 3340 |
|
|
}
|
| 3341 |
|
|
|
| 3342 |
|
|
return (status);
|
| 3343 |
|
|
}
|
| 3344 |
|
|
|
| 3345 |
|
|
/****************************************************************************/
|
| 3346 |
|
|
/* */
|
| 3347 |
|
|
|
| 3348 |
|
|
JAM_RETURN_TYPE jam_process_drscan_capture
|
| 3349 |
|
|
(
|
| 3350 |
|
|
char *statement_buffer,
|
| 3351 |
|
|
long count_value,
|
| 3352 |
|
|
long *in_data,
|
| 3353 |
|
|
long in_index
|
| 3354 |
|
|
)
|
| 3355 |
|
|
|
| 3356 |
|
|
/* */
|
| 3357 |
|
|
/* Description: Processes the arguments for the CAPTURE version of the */
|
| 3358 |
|
|
/* DRSCAN statement. Calls jam_swap_dr() to access the */
|
| 3359 |
|
|
/* JTAG hardware interface. */
|
| 3360 |
|
|
/* */
|
| 3361 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 3362 |
|
|
/* */
|
| 3363 |
|
|
/****************************************************************************/
|
| 3364 |
|
|
{
|
| 3365 |
|
|
/* syntax: DRSCAN <length> [, <data>] [CAPTURE <array>] ; */
|
| 3366 |
|
|
|
| 3367 |
|
|
int expr_begin = 0;
|
| 3368 |
|
|
int expr_end = 0;
|
| 3369 |
|
|
int delimiter = 0;
|
| 3370 |
|
|
long start_index = 0L;
|
| 3371 |
|
|
long stop_index = 0L;
|
| 3372 |
|
|
char save_ch = 0;
|
| 3373 |
|
|
long *tdi_data = NULL;
|
| 3374 |
|
|
long *literal_array_data = NULL;
|
| 3375 |
|
|
JAMS_SYMBOL_RECORD *symbol_record = NULL;
|
| 3376 |
|
|
JAMS_HEAP_RECORD *heap_record = NULL;
|
| 3377 |
|
|
JAM_RETURN_TYPE status = JAMC_SYNTAX_ERROR;
|
| 3378 |
|
|
|
| 3379 |
|
|
/*
|
| 3380 |
|
|
* Statement buffer should contain the part of the statement string
|
| 3381 |
|
|
* after the CAPTURE keyword.
|
| 3382 |
|
|
*
|
| 3383 |
|
|
* The only argument should be the capture array.
|
| 3384 |
|
|
*/
|
| 3385 |
|
|
status = jam_find_argument(statement_buffer,
|
| 3386 |
|
|
&expr_begin, &expr_end, &delimiter);
|
| 3387 |
|
|
|
| 3388 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 3389 |
|
|
(statement_buffer[delimiter] != JAMC_SEMICOLON_CHAR))
|
| 3390 |
|
|
{
|
| 3391 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 3392 |
|
|
}
|
| 3393 |
|
|
|
| 3394 |
|
|
if (status == JAMC_SUCCESS)
|
| 3395 |
|
|
{
|
| 3396 |
|
|
save_ch = statement_buffer[expr_end];
|
| 3397 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 3398 |
|
|
status = jam_get_array_argument(&statement_buffer[expr_begin],
|
| 3399 |
|
|
&symbol_record, &literal_array_data,
|
| 3400 |
|
|
&start_index, &stop_index, 1);
|
| 3401 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 3402 |
|
|
}
|
| 3403 |
|
|
|
| 3404 |
|
|
if ((status == JAMC_SUCCESS) && (literal_array_data != NULL))
|
| 3405 |
|
|
{
|
| 3406 |
|
|
/* literal array may not be used for capture buffer */
|
| 3407 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 3408 |
|
|
}
|
| 3409 |
|
|
|
| 3410 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 3411 |
|
|
(stop_index != start_index + count_value - 1))
|
| 3412 |
|
|
{
|
| 3413 |
|
|
status = JAMC_BOUNDS_ERROR;
|
| 3414 |
|
|
}
|
| 3415 |
|
|
|
| 3416 |
|
|
if (status == JAMC_SUCCESS)
|
| 3417 |
|
|
{
|
| 3418 |
|
|
if (symbol_record != NULL)
|
| 3419 |
|
|
{
|
| 3420 |
|
|
heap_record = (JAMS_HEAP_RECORD *)symbol_record->value;
|
| 3421 |
|
|
|
| 3422 |
|
|
if (heap_record != NULL)
|
| 3423 |
|
|
{
|
| 3424 |
|
|
tdi_data = heap_record->data;
|
| 3425 |
|
|
}
|
| 3426 |
|
|
else
|
| 3427 |
|
|
{
|
| 3428 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 3429 |
|
|
}
|
| 3430 |
|
|
}
|
| 3431 |
|
|
else
|
| 3432 |
|
|
{
|
| 3433 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 3434 |
|
|
}
|
| 3435 |
|
|
}
|
| 3436 |
|
|
|
| 3437 |
|
|
/*
|
| 3438 |
|
|
* Perform the JTAG operation, capturing data into the heap buffer
|
| 3439 |
|
|
*/
|
| 3440 |
|
|
if (status == JAMC_SUCCESS)
|
| 3441 |
|
|
{
|
| 3442 |
|
|
status = jam_swap_dr(count_value, in_data, in_index,
|
| 3443 |
|
|
tdi_data, start_index);
|
| 3444 |
|
|
}
|
| 3445 |
|
|
|
| 3446 |
|
|
return (status);
|
| 3447 |
|
|
}
|
| 3448 |
|
|
|
| 3449 |
|
|
/****************************************************************************/
|
| 3450 |
|
|
/* */
|
| 3451 |
|
|
|
| 3452 |
|
|
JAM_RETURN_TYPE jam_process_drscan
|
| 3453 |
|
|
(
|
| 3454 |
|
|
char *statement_buffer
|
| 3455 |
|
|
)
|
| 3456 |
|
|
|
| 3457 |
|
|
/* */
|
| 3458 |
|
|
/* Description: Processes DRSCAN statement, which shifts data through */
|
| 3459 |
|
|
/* a data register of the JTAG interface */
|
| 3460 |
|
|
/* */
|
| 3461 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 3462 |
|
|
/* */
|
| 3463 |
|
|
/****************************************************************************/
|
| 3464 |
|
|
{
|
| 3465 |
|
|
/* syntax: DRSCAN <length> [, <data>] [CAPTURE <array>] ; */
|
| 3466 |
|
|
/* or: DRSCAN <length> [, <data>] [COMPARE <array>, <mask>, <result>] ; */
|
| 3467 |
|
|
|
| 3468 |
|
|
int index = 0;
|
| 3469 |
|
|
int expr_begin = 0;
|
| 3470 |
|
|
int expr_end = 0;
|
| 3471 |
|
|
int delimiter = 0;
|
| 3472 |
|
|
long count_value = 0L;
|
| 3473 |
|
|
long start_index = 0L;
|
| 3474 |
|
|
long stop_index = 0L;
|
| 3475 |
|
|
char save_ch = 0;
|
| 3476 |
|
|
long *tdi_data = NULL;
|
| 3477 |
|
|
long *literal_array_data = NULL;
|
| 3478 |
|
|
JAME_EXPRESSION_TYPE expr_type = JAM_ILLEGAL_EXPR_TYPE;
|
| 3479 |
|
|
JAMS_SYMBOL_RECORD *symbol_record = NULL;
|
| 3480 |
|
|
JAMS_HEAP_RECORD *heap_record = NULL;
|
| 3481 |
|
|
JAM_RETURN_TYPE status = JAMC_SYNTAX_ERROR;
|
| 3482 |
|
|
|
| 3483 |
|
|
if ((jam_version == 2) && (jam_phase != JAM_PROCEDURE_PHASE))
|
| 3484 |
|
|
{
|
| 3485 |
|
|
return (JAMC_PHASE_ERROR);
|
| 3486 |
|
|
}
|
| 3487 |
|
|
|
| 3488 |
|
|
index = jam_skip_instruction_name(statement_buffer);
|
| 3489 |
|
|
|
| 3490 |
|
|
/* locate length */
|
| 3491 |
|
|
status = jam_find_argument(&statement_buffer[index],
|
| 3492 |
|
|
&expr_begin, &expr_end, &delimiter);
|
| 3493 |
|
|
|
| 3494 |
|
|
expr_begin += index;
|
| 3495 |
|
|
expr_end += index;
|
| 3496 |
|
|
delimiter += index;
|
| 3497 |
|
|
|
| 3498 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 3499 |
|
|
(statement_buffer[delimiter] != JAMC_COMMA_CHAR))
|
| 3500 |
|
|
{
|
| 3501 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 3502 |
|
|
}
|
| 3503 |
|
|
|
| 3504 |
|
|
if (status == JAMC_SUCCESS)
|
| 3505 |
|
|
{
|
| 3506 |
|
|
save_ch = statement_buffer[expr_end];
|
| 3507 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 3508 |
|
|
status = jam_evaluate_expression(
|
| 3509 |
|
|
&statement_buffer[expr_begin], &count_value, &expr_type);
|
| 3510 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 3511 |
|
|
}
|
| 3512 |
|
|
|
| 3513 |
|
|
/*
|
| 3514 |
|
|
* Check for integer expression
|
| 3515 |
|
|
*/
|
| 3516 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 3517 |
|
|
(expr_type != JAM_INTEGER_EXPR) &&
|
| 3518 |
|
|
(expr_type != JAM_INT_OR_BOOL_EXPR))
|
| 3519 |
|
|
{
|
| 3520 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 3521 |
|
|
}
|
| 3522 |
|
|
|
| 3523 |
|
|
/*
|
| 3524 |
|
|
* Look for array variable with sub-range index
|
| 3525 |
|
|
*/
|
| 3526 |
|
|
if (status == JAMC_SUCCESS)
|
| 3527 |
|
|
{
|
| 3528 |
|
|
index = delimiter + 1;
|
| 3529 |
|
|
status = jam_find_argument(&statement_buffer[index],
|
| 3530 |
|
|
&expr_begin, &expr_end, &delimiter);
|
| 3531 |
|
|
|
| 3532 |
|
|
expr_begin += index;
|
| 3533 |
|
|
expr_end += index;
|
| 3534 |
|
|
delimiter += index;
|
| 3535 |
|
|
}
|
| 3536 |
|
|
|
| 3537 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 3538 |
|
|
(statement_buffer[delimiter] != JAMC_COMMA_CHAR) &&
|
| 3539 |
|
|
(statement_buffer[delimiter] != JAMC_SEMICOLON_CHAR))
|
| 3540 |
|
|
{
|
| 3541 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 3542 |
|
|
}
|
| 3543 |
|
|
|
| 3544 |
|
|
if (status == JAMC_SUCCESS)
|
| 3545 |
|
|
{
|
| 3546 |
|
|
save_ch = statement_buffer[expr_end];
|
| 3547 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 3548 |
|
|
status = jam_get_array_argument(&statement_buffer[expr_begin],
|
| 3549 |
|
|
&symbol_record, &literal_array_data,
|
| 3550 |
|
|
&start_index, &stop_index, 0);
|
| 3551 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 3552 |
|
|
}
|
| 3553 |
|
|
|
| 3554 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 3555 |
|
|
(literal_array_data != NULL) &&
|
| 3556 |
|
|
(start_index == 0) &&
|
| 3557 |
|
|
(stop_index > count_value - 1))
|
| 3558 |
|
|
{
|
| 3559 |
|
|
stop_index = count_value - 1;
|
| 3560 |
|
|
}
|
| 3561 |
|
|
|
| 3562 |
|
|
if (status == JAMC_SUCCESS)
|
| 3563 |
|
|
{
|
| 3564 |
|
|
if (symbol_record != NULL)
|
| 3565 |
|
|
{
|
| 3566 |
|
|
heap_record = (JAMS_HEAP_RECORD *)symbol_record->value;
|
| 3567 |
|
|
|
| 3568 |
|
|
if (heap_record != NULL)
|
| 3569 |
|
|
{
|
| 3570 |
|
|
tdi_data = heap_record->data;
|
| 3571 |
|
|
}
|
| 3572 |
|
|
else
|
| 3573 |
|
|
{
|
| 3574 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 3575 |
|
|
}
|
| 3576 |
|
|
}
|
| 3577 |
|
|
else if (literal_array_data != NULL)
|
| 3578 |
|
|
{
|
| 3579 |
|
|
tdi_data = literal_array_data;
|
| 3580 |
|
|
}
|
| 3581 |
|
|
else
|
| 3582 |
|
|
{
|
| 3583 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 3584 |
|
|
}
|
| 3585 |
|
|
}
|
| 3586 |
|
|
|
| 3587 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 3588 |
|
|
(statement_buffer[delimiter] == JAMC_SEMICOLON_CHAR))
|
| 3589 |
|
|
{
|
| 3590 |
|
|
/*
|
| 3591 |
|
|
* Do a simple DRSCAN operation -- no capture or compare
|
| 3592 |
|
|
*/
|
| 3593 |
|
|
status = jam_do_drscan(count_value, tdi_data, start_index);
|
| 3594 |
|
|
}
|
| 3595 |
|
|
else if ((status == JAMC_SUCCESS) &&
|
| 3596 |
|
|
(statement_buffer[delimiter] == JAMC_COMMA_CHAR))
|
| 3597 |
|
|
{
|
| 3598 |
|
|
/*
|
| 3599 |
|
|
* Delimiter was a COMMA, so look for CAPTURE or COMPARE keyword
|
| 3600 |
|
|
*/
|
| 3601 |
|
|
index = delimiter + 1;
|
| 3602 |
|
|
while (jam_isspace(statement_buffer[index]))
|
| 3603 |
|
|
{
|
| 3604 |
|
|
++index; /* skip over white space */
|
| 3605 |
|
|
}
|
| 3606 |
|
|
|
| 3607 |
|
|
/*
|
| 3608 |
|
|
* Do a DRSCAN with compare and or capture
|
| 3609 |
|
|
*/
|
| 3610 |
|
|
status = jam_process_drscan_compare(&statement_buffer[index],
|
| 3611 |
|
|
count_value, tdi_data, start_index);
|
| 3612 |
|
|
}
|
| 3613 |
|
|
else
|
| 3614 |
|
|
{
|
| 3615 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 3616 |
|
|
}
|
| 3617 |
|
|
|
| 3618 |
|
|
return (status);
|
| 3619 |
|
|
}
|
| 3620 |
|
|
|
| 3621 |
|
|
/****************************************************************************/
|
| 3622 |
|
|
/* */
|
| 3623 |
|
|
|
| 3624 |
|
|
JAM_RETURN_TYPE jam_process_drstop(char *statement_buffer)
|
| 3625 |
|
|
|
| 3626 |
|
|
/* */
|
| 3627 |
|
|
/* Description: Sets stop-state for DR scan operations */
|
| 3628 |
|
|
/* */
|
| 3629 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 3630 |
|
|
/* */
|
| 3631 |
|
|
/****************************************************************************/
|
| 3632 |
|
|
{
|
| 3633 |
|
|
int index = 0;
|
| 3634 |
|
|
int expr_begin = 0;
|
| 3635 |
|
|
int expr_end = 0;
|
| 3636 |
|
|
int delimiter = 0;
|
| 3637 |
|
|
JAM_RETURN_TYPE status = JAMC_SUCCESS;
|
| 3638 |
|
|
JAME_JTAG_STATE state = JAM_ILLEGAL_JTAG_STATE;
|
| 3639 |
|
|
|
| 3640 |
|
|
if ((jam_version == 2) && (jam_phase != JAM_PROCEDURE_PHASE))
|
| 3641 |
|
|
{
|
| 3642 |
|
|
return (JAMC_PHASE_ERROR);
|
| 3643 |
|
|
}
|
| 3644 |
|
|
|
| 3645 |
|
|
index = jam_skip_instruction_name(statement_buffer);
|
| 3646 |
|
|
|
| 3647 |
|
|
/*
|
| 3648 |
|
|
* Get next argument
|
| 3649 |
|
|
*/
|
| 3650 |
|
|
status = jam_find_argument(&statement_buffer[index],
|
| 3651 |
|
|
&expr_begin, &expr_end, &delimiter);
|
| 3652 |
|
|
|
| 3653 |
|
|
expr_begin += index;
|
| 3654 |
|
|
expr_end += index;
|
| 3655 |
|
|
delimiter += index;
|
| 3656 |
|
|
|
| 3657 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 3658 |
|
|
(statement_buffer[delimiter] != JAMC_SEMICOLON_CHAR))
|
| 3659 |
|
|
{
|
| 3660 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 3661 |
|
|
}
|
| 3662 |
|
|
|
| 3663 |
|
|
if (status == JAMC_SUCCESS)
|
| 3664 |
|
|
{
|
| 3665 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 3666 |
|
|
state = jam_get_jtag_state_from_name(&statement_buffer[expr_begin]);
|
| 3667 |
|
|
|
| 3668 |
|
|
if (state == JAM_ILLEGAL_JTAG_STATE)
|
| 3669 |
|
|
{
|
| 3670 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 3671 |
|
|
}
|
| 3672 |
|
|
else
|
| 3673 |
|
|
{
|
| 3674 |
|
|
/*
|
| 3675 |
|
|
* Set DRSCAN stop state to the specified state
|
| 3676 |
|
|
*/
|
| 3677 |
|
|
status = jam_set_drstop_state(state);
|
| 3678 |
|
|
}
|
| 3679 |
|
|
}
|
| 3680 |
|
|
|
| 3681 |
|
|
return (status);
|
| 3682 |
|
|
}
|
| 3683 |
|
|
|
| 3684 |
|
|
JAM_RETURN_TYPE jam_process_enddata
|
| 3685 |
|
|
(
|
| 3686 |
|
|
char *statement_buffer
|
| 3687 |
|
|
)
|
| 3688 |
|
|
{
|
| 3689 |
|
|
JAM_RETURN_TYPE status = JAMC_SUCCESS;
|
| 3690 |
|
|
|
| 3691 |
|
|
if (jam_version == 0) jam_version = 2;
|
| 3692 |
|
|
|
| 3693 |
|
|
if (jam_version == 1) status = JAMC_SYNTAX_ERROR;
|
| 3694 |
|
|
|
| 3695 |
|
|
if ((jam_version == 2) && (jam_phase != JAM_PROCEDURE_PHASE))
|
| 3696 |
|
|
{
|
| 3697 |
|
|
status = JAMC_PHASE_ERROR;
|
| 3698 |
|
|
}
|
| 3699 |
|
|
|
| 3700 |
|
|
statement_buffer = statement_buffer;
|
| 3701 |
|
|
|
| 3702 |
|
|
return (status);
|
| 3703 |
|
|
}
|
| 3704 |
|
|
|
| 3705 |
|
|
/****************************************************************************/
|
| 3706 |
|
|
/* */
|
| 3707 |
|
|
|
| 3708 |
|
|
JAM_RETURN_TYPE jam_process_exit
|
| 3709 |
|
|
(
|
| 3710 |
|
|
char *statement_buffer,
|
| 3711 |
|
|
BOOL *done,
|
| 3712 |
|
|
int *exit_code
|
| 3713 |
|
|
)
|
| 3714 |
|
|
|
| 3715 |
|
|
/* */
|
| 3716 |
|
|
/* Description: This function terminates an JAM program. The 'done' */
|
| 3717 |
|
|
/* flag is set, halting program execution, and the */
|
| 3718 |
|
|
/* exit_code value is set as specified in the statement. */
|
| 3719 |
|
|
/* */
|
| 3720 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 3721 |
|
|
/* */
|
| 3722 |
|
|
/****************************************************************************/
|
| 3723 |
|
|
{
|
| 3724 |
|
|
int index = 0;
|
| 3725 |
|
|
int expr_begin = 0;
|
| 3726 |
|
|
int expr_end = 0;
|
| 3727 |
|
|
char save_ch = 0;
|
| 3728 |
|
|
long exit_code_value = 0L;
|
| 3729 |
|
|
JAME_EXPRESSION_TYPE expr_type = JAM_ILLEGAL_EXPR_TYPE;
|
| 3730 |
|
|
JAM_RETURN_TYPE status = JAMC_SYNTAX_ERROR;
|
| 3731 |
|
|
|
| 3732 |
|
|
if ((jam_version == 2) && (jam_phase != JAM_PROCEDURE_PHASE))
|
| 3733 |
|
|
{
|
| 3734 |
|
|
return (JAMC_PHASE_ERROR);
|
| 3735 |
|
|
}
|
| 3736 |
|
|
|
| 3737 |
|
|
index = jam_skip_instruction_name(statement_buffer);
|
| 3738 |
|
|
|
| 3739 |
|
|
/*
|
| 3740 |
|
|
* Evaluate expression for exit code value
|
| 3741 |
|
|
*/
|
| 3742 |
|
|
expr_begin = index;
|
| 3743 |
|
|
while ((statement_buffer[index] != JAMC_NULL_CHAR) &&
|
| 3744 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 3745 |
|
|
{
|
| 3746 |
|
|
++index;
|
| 3747 |
|
|
}
|
| 3748 |
|
|
while ((statement_buffer[index] != JAMC_SEMICOLON_CHAR) && (index > 0))
|
| 3749 |
|
|
{
|
| 3750 |
|
|
--index;
|
| 3751 |
|
|
}
|
| 3752 |
|
|
expr_end = index;
|
| 3753 |
|
|
|
| 3754 |
|
|
if (expr_end > expr_begin)
|
| 3755 |
|
|
{
|
| 3756 |
|
|
save_ch = statement_buffer[expr_end];
|
| 3757 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 3758 |
|
|
status = jam_evaluate_expression(
|
| 3759 |
|
|
&statement_buffer[expr_begin], &exit_code_value, &expr_type);
|
| 3760 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 3761 |
|
|
}
|
| 3762 |
|
|
|
| 3763 |
|
|
/*
|
| 3764 |
|
|
* Check for integer expression
|
| 3765 |
|
|
*/
|
| 3766 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 3767 |
|
|
(expr_type != JAM_INTEGER_EXPR) &&
|
| 3768 |
|
|
(expr_type != JAM_INT_OR_BOOL_EXPR))
|
| 3769 |
|
|
{
|
| 3770 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 3771 |
|
|
}
|
| 3772 |
|
|
|
| 3773 |
|
|
/*
|
| 3774 |
|
|
* Check range of exit code -- must be in range of signed 16-bit number
|
| 3775 |
|
|
* (from -32767 to 32767) for compatibility with 16-bit systems.
|
| 3776 |
|
|
*/
|
| 3777 |
|
|
if (((status == JAMC_SUCCESS) &&
|
| 3778 |
|
|
((exit_code_value < -32767L))) || (exit_code_value > 32767L))
|
| 3779 |
|
|
{
|
| 3780 |
|
|
status = JAMC_INTEGER_OVERFLOW;
|
| 3781 |
|
|
}
|
| 3782 |
|
|
|
| 3783 |
|
|
if (status == JAMC_SUCCESS)
|
| 3784 |
|
|
{
|
| 3785 |
|
|
/*
|
| 3786 |
|
|
* Terminate the program
|
| 3787 |
|
|
*/
|
| 3788 |
|
|
*done = TRUE;
|
| 3789 |
|
|
*exit_code = (int) exit_code_value;
|
| 3790 |
|
|
}
|
| 3791 |
|
|
|
| 3792 |
|
|
return (status);
|
| 3793 |
|
|
}
|
| 3794 |
|
|
|
| 3795 |
|
|
/****************************************************************************/
|
| 3796 |
|
|
/* */
|
| 3797 |
|
|
|
| 3798 |
|
|
JAM_RETURN_TYPE jam_process_export
|
| 3799 |
|
|
(
|
| 3800 |
|
|
char *statement_buffer
|
| 3801 |
|
|
)
|
| 3802 |
|
|
|
| 3803 |
|
|
/* */
|
| 3804 |
|
|
/* Description: Exports data outside the JAM interpreter (to the */
|
| 3805 |
|
|
/* calling program) */
|
| 3806 |
|
|
/* */
|
| 3807 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 3808 |
|
|
/* */
|
| 3809 |
|
|
/****************************************************************************/
|
| 3810 |
|
|
{
|
| 3811 |
|
|
int index = 0;
|
| 3812 |
|
|
int key_begin = 0;
|
| 3813 |
|
|
int key_end = 0;
|
| 3814 |
|
|
int expr_begin = 0;
|
| 3815 |
|
|
int expr_end = 0;
|
| 3816 |
|
|
long value = 0L;
|
| 3817 |
|
|
JAME_EXPRESSION_TYPE expr_type = JAM_ILLEGAL_EXPR_TYPE;
|
| 3818 |
|
|
JAM_RETURN_TYPE status = JAMC_SYNTAX_ERROR;
|
| 3819 |
|
|
|
| 3820 |
|
|
/* boolean array variables */
|
| 3821 |
|
|
char ba_save_ch = 0;
|
| 3822 |
|
|
int ba_expr_begin = 0;
|
| 3823 |
|
|
int ba_expr_end = 0;
|
| 3824 |
|
|
long ba_start_index = 0L;
|
| 3825 |
|
|
long ba_stop_index = 0L;
|
| 3826 |
|
|
long *ba_literal_array_data = NULL;
|
| 3827 |
|
|
JAMS_SYMBOL_RECORD *ba_symbol_record = NULL;
|
| 3828 |
|
|
JAMS_HEAP_RECORD *ba_heap_record = NULL;
|
| 3829 |
|
|
unsigned char* ba_source_heap_data = NULL;
|
| 3830 |
|
|
/* end of boolean array variables */
|
| 3831 |
|
|
|
| 3832 |
|
|
if ((jam_version == 2) && (jam_phase != JAM_PROCEDURE_PHASE))
|
| 3833 |
|
|
{
|
| 3834 |
|
|
return (JAMC_PHASE_ERROR);
|
| 3835 |
|
|
}
|
| 3836 |
|
|
|
| 3837 |
|
|
index = jam_skip_instruction_name(statement_buffer);
|
| 3838 |
|
|
|
| 3839 |
|
|
/*
|
| 3840 |
|
|
* Find key string
|
| 3841 |
|
|
*/
|
| 3842 |
|
|
key_begin = index;
|
| 3843 |
|
|
while (jam_isspace(statement_buffer[index]) &&
|
| 3844 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 3845 |
|
|
{
|
| 3846 |
|
|
++index;
|
| 3847 |
|
|
}
|
| 3848 |
|
|
|
| 3849 |
|
|
/* the first argument must be a quoted string */
|
| 3850 |
|
|
if (statement_buffer[index] == JAMC_QUOTE_CHAR)
|
| 3851 |
|
|
{
|
| 3852 |
|
|
++index; /* step over quote char */
|
| 3853 |
|
|
key_begin = index;
|
| 3854 |
|
|
|
| 3855 |
|
|
/* find matching quote */
|
| 3856 |
|
|
while ((statement_buffer[index] != JAMC_QUOTE_CHAR) &&
|
| 3857 |
|
|
(statement_buffer[index] != JAMC_NULL_CHAR) &&
|
| 3858 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 3859 |
|
|
{
|
| 3860 |
|
|
++index;
|
| 3861 |
|
|
}
|
| 3862 |
|
|
|
| 3863 |
|
|
if (statement_buffer[index] == JAMC_QUOTE_CHAR)
|
| 3864 |
|
|
{
|
| 3865 |
|
|
key_end = index;
|
| 3866 |
|
|
++index; /* step over quote char */
|
| 3867 |
|
|
|
| 3868 |
|
|
while (jam_isspace(statement_buffer[index]) &&
|
| 3869 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 3870 |
|
|
{
|
| 3871 |
|
|
++index;
|
| 3872 |
|
|
}
|
| 3873 |
|
|
|
| 3874 |
|
|
if (statement_buffer[index] == JAMC_COMMA_CHAR)
|
| 3875 |
|
|
{
|
| 3876 |
|
|
++index; /* step over comma */
|
| 3877 |
|
|
expr_begin = index;
|
| 3878 |
|
|
|
| 3879 |
|
|
/* check if it is a boolean array */
|
| 3880 |
|
|
while (jam_isspace(statement_buffer[index]) &&
|
| 3881 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 3882 |
|
|
{
|
| 3883 |
|
|
++index;
|
| 3884 |
|
|
}
|
| 3885 |
|
|
ba_expr_begin = index;
|
| 3886 |
|
|
if (jam_is_name_char(statement_buffer[index]) &&
|
| 3887 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 3888 |
|
|
{
|
| 3889 |
|
|
++index;
|
| 3890 |
|
|
while (jam_is_name_char(statement_buffer[index]) &&
|
| 3891 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 3892 |
|
|
{
|
| 3893 |
|
|
++index;
|
| 3894 |
|
|
}
|
| 3895 |
|
|
while (jam_isspace(statement_buffer[index]) &&
|
| 3896 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 3897 |
|
|
{
|
| 3898 |
|
|
++index;
|
| 3899 |
|
|
}
|
| 3900 |
|
|
if (statement_buffer[index] == JAMC_LBRACKET_CHAR)
|
| 3901 |
|
|
{
|
| 3902 |
|
|
while ((statement_buffer[index] != JAMC_NULL_CHAR) &&
|
| 3903 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 3904 |
|
|
{
|
| 3905 |
|
|
++index;
|
| 3906 |
|
|
}
|
| 3907 |
|
|
while ((statement_buffer[index] != JAMC_SEMICOLON_CHAR) &&
|
| 3908 |
|
|
(index > 0))
|
| 3909 |
|
|
{
|
| 3910 |
|
|
--index;
|
| 3911 |
|
|
}
|
| 3912 |
|
|
ba_expr_end = index;
|
| 3913 |
|
|
ba_save_ch = statement_buffer[ba_expr_end];
|
| 3914 |
|
|
statement_buffer[ba_expr_end] = JAMC_NULL_CHAR;
|
| 3915 |
|
|
status = jam_get_array_argument(
|
| 3916 |
|
|
&statement_buffer[ba_expr_begin],
|
| 3917 |
|
|
&ba_symbol_record,
|
| 3918 |
|
|
&ba_literal_array_data,
|
| 3919 |
|
|
&ba_start_index,
|
| 3920 |
|
|
&ba_stop_index, 0);
|
| 3921 |
|
|
statement_buffer[ba_expr_end] = ba_save_ch;
|
| 3922 |
|
|
|
| 3923 |
|
|
if (status == JAMC_SUCCESS)
|
| 3924 |
|
|
{
|
| 3925 |
|
|
if (ba_symbol_record != NULL)
|
| 3926 |
|
|
{
|
| 3927 |
|
|
if ((ba_symbol_record->type ==
|
| 3928 |
|
|
JAM_BOOLEAN_ARRAY_WRITABLE) ||
|
| 3929 |
|
|
(ba_symbol_record->type ==
|
| 3930 |
|
|
JAM_BOOLEAN_ARRAY_INITIALIZED))
|
| 3931 |
|
|
{
|
| 3932 |
|
|
ba_heap_record = (JAMS_HEAP_RECORD *)
|
| 3933 |
|
|
ba_symbol_record->value;
|
| 3934 |
|
|
if ((ba_start_index < 0L) ||
|
| 3935 |
|
|
(ba_start_index >= ba_heap_record->dimension) ||
|
| 3936 |
|
|
(ba_stop_index < 0L) ||
|
| 3937 |
|
|
(ba_stop_index >= ba_heap_record->dimension))
|
| 3938 |
|
|
{
|
| 3939 |
|
|
return JAMC_BOUNDS_ERROR;
|
| 3940 |
|
|
}
|
| 3941 |
|
|
ba_source_heap_data = (unsigned char*)ba_heap_record->data;
|
| 3942 |
|
|
statement_buffer[key_end] = JAMC_NULL_CHAR;
|
| 3943 |
|
|
jam_export_boolean_array(&statement_buffer[key_begin],
|
| 3944 |
|
|
&ba_source_heap_data[ba_start_index], ba_stop_index - ba_start_index + 1L);
|
| 3945 |
|
|
return JAMC_SUCCESS;
|
| 3946 |
|
|
}
|
| 3947 |
|
|
else
|
| 3948 |
|
|
return JAMC_TYPE_MISMATCH;
|
| 3949 |
|
|
}
|
| 3950 |
|
|
else
|
| 3951 |
|
|
{
|
| 3952 |
|
|
return JAMC_INTERNAL_ERROR;
|
| 3953 |
|
|
}
|
| 3954 |
|
|
}
|
| 3955 |
|
|
else
|
| 3956 |
|
|
{
|
| 3957 |
|
|
return status;
|
| 3958 |
|
|
}
|
| 3959 |
|
|
}
|
| 3960 |
|
|
}
|
| 3961 |
|
|
/* end of boolean array check */
|
| 3962 |
|
|
|
| 3963 |
|
|
index = expr_begin;
|
| 3964 |
|
|
while ((statement_buffer[index] != JAMC_SEMICOLON_CHAR) &&
|
| 3965 |
|
|
(statement_buffer[index] != JAMC_NULL_CHAR) &&
|
| 3966 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 3967 |
|
|
{
|
| 3968 |
|
|
++index;
|
| 3969 |
|
|
}
|
| 3970 |
|
|
|
| 3971 |
|
|
if (statement_buffer[index] == JAMC_SEMICOLON_CHAR)
|
| 3972 |
|
|
{
|
| 3973 |
|
|
expr_end = index;
|
| 3974 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 3975 |
|
|
status = jam_evaluate_expression(
|
| 3976 |
|
|
&statement_buffer[expr_begin], &value, &expr_type);
|
| 3977 |
|
|
|
| 3978 |
|
|
/*
|
| 3979 |
|
|
* May be integer or Boolean expression
|
| 3980 |
|
|
*/
|
| 3981 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 3982 |
|
|
(expr_type != JAM_INTEGER_EXPR) &&
|
| 3983 |
|
|
(expr_type != JAM_BOOLEAN_EXPR) &&
|
| 3984 |
|
|
(expr_type != JAM_INT_OR_BOOL_EXPR))
|
| 3985 |
|
|
{
|
| 3986 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 3987 |
|
|
}
|
| 3988 |
|
|
|
| 3989 |
|
|
if (status == JAMC_SUCCESS)
|
| 3990 |
|
|
{
|
| 3991 |
|
|
/*
|
| 3992 |
|
|
* Export the key and value
|
| 3993 |
|
|
*/
|
| 3994 |
|
|
statement_buffer[key_end] = JAMC_NULL_CHAR;
|
| 3995 |
|
|
jam_export_integer(&statement_buffer[key_begin], value);
|
| 3996 |
|
|
}
|
| 3997 |
|
|
}
|
| 3998 |
|
|
}
|
| 3999 |
|
|
}
|
| 4000 |
|
|
}
|
| 4001 |
|
|
|
| 4002 |
|
|
return (status);
|
| 4003 |
|
|
}
|
| 4004 |
|
|
|
| 4005 |
|
|
/****************************************************************************/
|
| 4006 |
|
|
/* */
|
| 4007 |
|
|
|
| 4008 |
|
|
JAM_RETURN_TYPE jam_process_for
|
| 4009 |
|
|
(
|
| 4010 |
|
|
char *statement_buffer
|
| 4011 |
|
|
)
|
| 4012 |
|
|
|
| 4013 |
|
|
/* */
|
| 4014 |
|
|
/* Description: This function processes a FOR statement. It creates a */
|
| 4015 |
|
|
/* stack record and assigns the start value to the */
|
| 4016 |
|
|
/* iterator variable */
|
| 4017 |
|
|
/* */
|
| 4018 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 4019 |
|
|
/* */
|
| 4020 |
|
|
/****************************************************************************/
|
| 4021 |
|
|
{
|
| 4022 |
|
|
int index = 0;
|
| 4023 |
|
|
int variable_begin = 0;
|
| 4024 |
|
|
int variable_end = 0;
|
| 4025 |
|
|
int expr_begin = 0;
|
| 4026 |
|
|
int expr_end = 0;
|
| 4027 |
|
|
long start_value = 0L;
|
| 4028 |
|
|
long stop_value = 0L;
|
| 4029 |
|
|
long step_value = 1L;
|
| 4030 |
|
|
char save_ch = 0;
|
| 4031 |
|
|
JAME_EXPRESSION_TYPE expr_type = JAM_ILLEGAL_EXPR_TYPE;
|
| 4032 |
|
|
JAM_RETURN_TYPE status = JAMC_SYNTAX_ERROR;
|
| 4033 |
|
|
JAMS_SYMBOL_RECORD *symbol_record = NULL;
|
| 4034 |
|
|
|
| 4035 |
|
|
if ((jam_version == 2) && (jam_phase != JAM_PROCEDURE_PHASE))
|
| 4036 |
|
|
{
|
| 4037 |
|
|
return (JAMC_PHASE_ERROR);
|
| 4038 |
|
|
}
|
| 4039 |
|
|
|
| 4040 |
|
|
index = jam_skip_instruction_name(statement_buffer);
|
| 4041 |
|
|
|
| 4042 |
|
|
if (jam_isalpha(statement_buffer[index]))
|
| 4043 |
|
|
{
|
| 4044 |
|
|
/* locate variable name */
|
| 4045 |
|
|
variable_begin = index;
|
| 4046 |
|
|
while ((jam_is_name_char(statement_buffer[index])) &&
|
| 4047 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 4048 |
|
|
{
|
| 4049 |
|
|
++index; /* skip over variable name */
|
| 4050 |
|
|
}
|
| 4051 |
|
|
variable_end = index;
|
| 4052 |
|
|
|
| 4053 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 4054 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 4055 |
|
|
{
|
| 4056 |
|
|
++index; /* skip over white space */
|
| 4057 |
|
|
}
|
| 4058 |
|
|
|
| 4059 |
|
|
if (statement_buffer[index] == JAMC_EQUAL_CHAR)
|
| 4060 |
|
|
{
|
| 4061 |
|
|
/*
|
| 4062 |
|
|
* Get start value for loop
|
| 4063 |
|
|
*/
|
| 4064 |
|
|
expr_begin = index + 1;
|
| 4065 |
|
|
|
| 4066 |
|
|
expr_end = jam_find_keyword(&statement_buffer[expr_begin], "TO");
|
| 4067 |
|
|
|
| 4068 |
|
|
if (expr_end > 0)
|
| 4069 |
|
|
{
|
| 4070 |
|
|
expr_end += expr_begin;
|
| 4071 |
|
|
save_ch = statement_buffer[expr_end];
|
| 4072 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 4073 |
|
|
status = jam_evaluate_expression(
|
| 4074 |
|
|
&statement_buffer[expr_begin], &start_value, &expr_type);
|
| 4075 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 4076 |
|
|
index = expr_end + 2; /* step over "TO" */
|
| 4077 |
|
|
}
|
| 4078 |
|
|
|
| 4079 |
|
|
/*
|
| 4080 |
|
|
* Check for integer expression
|
| 4081 |
|
|
*/
|
| 4082 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 4083 |
|
|
(expr_type != JAM_INTEGER_EXPR) &&
|
| 4084 |
|
|
(expr_type != JAM_INT_OR_BOOL_EXPR))
|
| 4085 |
|
|
{
|
| 4086 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 4087 |
|
|
}
|
| 4088 |
|
|
|
| 4089 |
|
|
if (status == JAMC_SUCCESS)
|
| 4090 |
|
|
{
|
| 4091 |
|
|
/*
|
| 4092 |
|
|
* Get stop value for loop
|
| 4093 |
|
|
*/
|
| 4094 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 4095 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 4096 |
|
|
{
|
| 4097 |
|
|
++index; /* skip over white space */
|
| 4098 |
|
|
}
|
| 4099 |
|
|
|
| 4100 |
|
|
expr_begin = index;
|
| 4101 |
|
|
|
| 4102 |
|
|
expr_end = jam_find_keyword(&statement_buffer[expr_begin],
|
| 4103 |
|
|
"STEP");
|
| 4104 |
|
|
|
| 4105 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 4106 |
|
|
if (expr_end > 0)
|
| 4107 |
|
|
{
|
| 4108 |
|
|
/* STEP found */
|
| 4109 |
|
|
expr_end += expr_begin;
|
| 4110 |
|
|
save_ch = statement_buffer[expr_end];
|
| 4111 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 4112 |
|
|
status = jam_evaluate_expression(
|
| 4113 |
|
|
&statement_buffer[expr_begin], &stop_value, &expr_type);
|
| 4114 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 4115 |
|
|
index = expr_end + 4; /* step over "STEP" */
|
| 4116 |
|
|
|
| 4117 |
|
|
/*
|
| 4118 |
|
|
* Check for integer expression
|
| 4119 |
|
|
*/
|
| 4120 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 4121 |
|
|
(expr_type != JAM_INTEGER_EXPR) &&
|
| 4122 |
|
|
(expr_type != JAM_INT_OR_BOOL_EXPR))
|
| 4123 |
|
|
{
|
| 4124 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 4125 |
|
|
}
|
| 4126 |
|
|
|
| 4127 |
|
|
if (status == JAMC_SUCCESS)
|
| 4128 |
|
|
{
|
| 4129 |
|
|
/*
|
| 4130 |
|
|
* Get step value
|
| 4131 |
|
|
*/
|
| 4132 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 4133 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 4134 |
|
|
{
|
| 4135 |
|
|
++index; /* skip over white space */
|
| 4136 |
|
|
}
|
| 4137 |
|
|
|
| 4138 |
|
|
expr_begin = index;
|
| 4139 |
|
|
expr_end = 0;
|
| 4140 |
|
|
while ((statement_buffer[index] != JAMC_NULL_CHAR) &&
|
| 4141 |
|
|
(statement_buffer[index] != JAMC_SEMICOLON_CHAR) &&
|
| 4142 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 4143 |
|
|
{
|
| 4144 |
|
|
++index;
|
| 4145 |
|
|
}
|
| 4146 |
|
|
|
| 4147 |
|
|
if ((statement_buffer[index] == JAMC_SEMICOLON_CHAR))
|
| 4148 |
|
|
{
|
| 4149 |
|
|
expr_end = index;
|
| 4150 |
|
|
}
|
| 4151 |
|
|
|
| 4152 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 4153 |
|
|
if (expr_end > expr_begin)
|
| 4154 |
|
|
{
|
| 4155 |
|
|
save_ch = statement_buffer[expr_end];
|
| 4156 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 4157 |
|
|
status = jam_evaluate_expression(
|
| 4158 |
|
|
&statement_buffer[expr_begin],
|
| 4159 |
|
|
&step_value, &expr_type);
|
| 4160 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 4161 |
|
|
}
|
| 4162 |
|
|
|
| 4163 |
|
|
/* step value zero is illegal */
|
| 4164 |
|
|
if ((status == JAMC_SUCCESS) && (step_value == 0))
|
| 4165 |
|
|
{
|
| 4166 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 4167 |
|
|
}
|
| 4168 |
|
|
|
| 4169 |
|
|
/*
|
| 4170 |
|
|
* Check for integer expression
|
| 4171 |
|
|
*/
|
| 4172 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 4173 |
|
|
(expr_type != JAM_INTEGER_EXPR) &&
|
| 4174 |
|
|
(expr_type != JAM_INT_OR_BOOL_EXPR))
|
| 4175 |
|
|
{
|
| 4176 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 4177 |
|
|
}
|
| 4178 |
|
|
}
|
| 4179 |
|
|
}
|
| 4180 |
|
|
else
|
| 4181 |
|
|
{
|
| 4182 |
|
|
/* STEP not found -- look for semicolon */
|
| 4183 |
|
|
while ((statement_buffer[index] != JAMC_NULL_CHAR) &&
|
| 4184 |
|
|
(statement_buffer[index] != JAMC_SEMICOLON_CHAR) &&
|
| 4185 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 4186 |
|
|
{
|
| 4187 |
|
|
++index;
|
| 4188 |
|
|
}
|
| 4189 |
|
|
|
| 4190 |
|
|
if (statement_buffer[index] == JAMC_SEMICOLON_CHAR)
|
| 4191 |
|
|
{
|
| 4192 |
|
|
expr_end = index;
|
| 4193 |
|
|
}
|
| 4194 |
|
|
|
| 4195 |
|
|
/*
|
| 4196 |
|
|
* Get stop value for loop
|
| 4197 |
|
|
*/
|
| 4198 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 4199 |
|
|
if (expr_end > expr_begin)
|
| 4200 |
|
|
{
|
| 4201 |
|
|
save_ch = statement_buffer[expr_end];
|
| 4202 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 4203 |
|
|
status = jam_evaluate_expression(
|
| 4204 |
|
|
&statement_buffer[expr_begin], &stop_value,
|
| 4205 |
|
|
&expr_type);
|
| 4206 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 4207 |
|
|
}
|
| 4208 |
|
|
|
| 4209 |
|
|
/*
|
| 4210 |
|
|
* Step value defaults to one
|
| 4211 |
|
|
*/
|
| 4212 |
|
|
step_value = 1L;
|
| 4213 |
|
|
|
| 4214 |
|
|
/*
|
| 4215 |
|
|
* Check for integer expression
|
| 4216 |
|
|
*/
|
| 4217 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 4218 |
|
|
(expr_type != JAM_INTEGER_EXPR) &&
|
| 4219 |
|
|
(expr_type != JAM_INT_OR_BOOL_EXPR))
|
| 4220 |
|
|
{
|
| 4221 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 4222 |
|
|
}
|
| 4223 |
|
|
}
|
| 4224 |
|
|
}
|
| 4225 |
|
|
}
|
| 4226 |
|
|
}
|
| 4227 |
|
|
|
| 4228 |
|
|
/*
|
| 4229 |
|
|
* We have extracted the variable name and the start, stop, and
|
| 4230 |
|
|
* step values from the statement buffer. Now set the variable
|
| 4231 |
|
|
* to the start value and push a stack record onto the stack.
|
| 4232 |
|
|
*/
|
| 4233 |
|
|
if (status == JAMC_SUCCESS)
|
| 4234 |
|
|
{
|
| 4235 |
|
|
/*
|
| 4236 |
|
|
* Find the variable (must be an integer)
|
| 4237 |
|
|
*/
|
| 4238 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 4239 |
|
|
save_ch = statement_buffer[variable_end];
|
| 4240 |
|
|
statement_buffer[variable_end] = JAMC_NULL_CHAR;
|
| 4241 |
|
|
status = jam_get_symbol_record(&statement_buffer[variable_begin],
|
| 4242 |
|
|
&symbol_record);
|
| 4243 |
|
|
|
| 4244 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 4245 |
|
|
(symbol_record->type != JAM_INTEGER_SYMBOL))
|
| 4246 |
|
|
{
|
| 4247 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 4248 |
|
|
}
|
| 4249 |
|
|
|
| 4250 |
|
|
if (status == JAMC_SUCCESS)
|
| 4251 |
|
|
{
|
| 4252 |
|
|
/*
|
| 4253 |
|
|
* Set the variable to the start value
|
| 4254 |
|
|
*/
|
| 4255 |
|
|
status = jam_set_symbol_value(
|
| 4256 |
|
|
JAM_INTEGER_SYMBOL,
|
| 4257 |
|
|
&statement_buffer[variable_begin],
|
| 4258 |
|
|
start_value);
|
| 4259 |
|
|
}
|
| 4260 |
|
|
statement_buffer[variable_end] = save_ch;
|
| 4261 |
|
|
}
|
| 4262 |
|
|
|
| 4263 |
|
|
if (status == JAMC_SUCCESS)
|
| 4264 |
|
|
{
|
| 4265 |
|
|
/*
|
| 4266 |
|
|
* Push a record onto the stack
|
| 4267 |
|
|
*/
|
| 4268 |
|
|
status = jam_push_fornext_record(symbol_record,
|
| 4269 |
|
|
jam_next_statement_position, stop_value, step_value);
|
| 4270 |
|
|
}
|
| 4271 |
|
|
|
| 4272 |
|
|
return (status);
|
| 4273 |
|
|
}
|
| 4274 |
|
|
|
| 4275 |
|
|
/****************************************************************************/
|
| 4276 |
|
|
/* */
|
| 4277 |
|
|
|
| 4278 |
|
|
JAM_RETURN_TYPE jam_process_frequency
|
| 4279 |
|
|
(
|
| 4280 |
|
|
char *statement_buffer
|
| 4281 |
|
|
)
|
| 4282 |
|
|
|
| 4283 |
|
|
/* */
|
| 4284 |
|
|
/* Description: This function processes a FREQUENCY statement. If the */
|
| 4285 |
|
|
/* specified frequency (in cycles per second) is less than */
|
| 4286 |
|
|
/* the expected frequency of an ISA parallel port about */
|
| 4287 |
|
|
/* (200 KHz) then delays will be added to each clock cycle.*/
|
| 4288 |
|
|
/* */
|
| 4289 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 4290 |
|
|
/* */
|
| 4291 |
|
|
/****************************************************************************/
|
| 4292 |
|
|
{
|
| 4293 |
|
|
int index = 0;
|
| 4294 |
|
|
int ret = 0;
|
| 4295 |
|
|
int expr_begin = 0;
|
| 4296 |
|
|
int expr_end = 0;
|
| 4297 |
|
|
long expr_value = 0L;
|
| 4298 |
|
|
char save_ch = 0;
|
| 4299 |
|
|
JAME_EXPRESSION_TYPE expr_type = JAM_ILLEGAL_EXPR_TYPE;
|
| 4300 |
|
|
JAM_RETURN_TYPE status = JAMC_SUCCESS;
|
| 4301 |
|
|
|
| 4302 |
|
|
if (jam_version == 0) jam_version = 2;
|
| 4303 |
|
|
|
| 4304 |
|
|
if (jam_version != 2) status = JAMC_SYNTAX_ERROR;
|
| 4305 |
|
|
|
| 4306 |
|
|
if ((jam_version == 2) && (jam_phase != JAM_PROCEDURE_PHASE))
|
| 4307 |
|
|
{
|
| 4308 |
|
|
status = JAMC_PHASE_ERROR;
|
| 4309 |
|
|
}
|
| 4310 |
|
|
|
| 4311 |
|
|
if (status == JAMC_SUCCESS)
|
| 4312 |
|
|
{
|
| 4313 |
|
|
index = jam_skip_instruction_name(statement_buffer);
|
| 4314 |
|
|
|
| 4315 |
|
|
while (jam_isspace(statement_buffer[index]) &&
|
| 4316 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 4317 |
|
|
{
|
| 4318 |
|
|
++index;
|
| 4319 |
|
|
}
|
| 4320 |
|
|
|
| 4321 |
|
|
expr_begin = index;
|
| 4322 |
|
|
|
| 4323 |
|
|
while ((statement_buffer[index] != JAMC_SEMICOLON_CHAR) &&
|
| 4324 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 4325 |
|
|
{
|
| 4326 |
|
|
++index;
|
| 4327 |
|
|
}
|
| 4328 |
|
|
|
| 4329 |
|
|
expr_end = index;
|
| 4330 |
|
|
|
| 4331 |
|
|
if (statement_buffer[index] == JAMC_SEMICOLON_CHAR)
|
| 4332 |
|
|
{
|
| 4333 |
|
|
if (expr_end > expr_begin)
|
| 4334 |
|
|
{
|
| 4335 |
|
|
save_ch = statement_buffer[expr_end];
|
| 4336 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 4337 |
|
|
status = jam_evaluate_expression(
|
| 4338 |
|
|
&statement_buffer[expr_begin], &expr_value, &expr_type);
|
| 4339 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 4340 |
|
|
|
| 4341 |
|
|
if (status == JAMC_SUCCESS)
|
| 4342 |
|
|
{
|
| 4343 |
|
|
ret = jam_set_frequency(expr_value);
|
| 4344 |
|
|
}
|
| 4345 |
|
|
}
|
| 4346 |
|
|
else
|
| 4347 |
|
|
{
|
| 4348 |
|
|
ret = jam_set_frequency(-1L); /* set default frequency */
|
| 4349 |
|
|
}
|
| 4350 |
|
|
}
|
| 4351 |
|
|
else
|
| 4352 |
|
|
{
|
| 4353 |
|
|
/* semicolon not found */
|
| 4354 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 4355 |
|
|
}
|
| 4356 |
|
|
|
| 4357 |
|
|
if ((status == JAMC_SUCCESS) && (ret != 0))
|
| 4358 |
|
|
{
|
| 4359 |
|
|
/* return code from jam_set_frequency() indicates an error */
|
| 4360 |
|
|
status = JAMC_BOUNDS_ERROR;
|
| 4361 |
|
|
}
|
| 4362 |
|
|
}
|
| 4363 |
|
|
|
| 4364 |
|
|
return (status);
|
| 4365 |
|
|
}
|
| 4366 |
|
|
|
| 4367 |
|
|
/****************************************************************************/
|
| 4368 |
|
|
/* */
|
| 4369 |
|
|
|
| 4370 |
|
|
JAM_RETURN_TYPE jam_process_if
|
| 4371 |
|
|
(
|
| 4372 |
|
|
char *statement_buffer,
|
| 4373 |
|
|
BOOL *reuse_statement_buffer
|
| 4374 |
|
|
)
|
| 4375 |
|
|
|
| 4376 |
|
|
/* */
|
| 4377 |
|
|
/* Description: Processes an IF (conditional) statement. If the */
|
| 4378 |
|
|
/* condition is true, then the input stream pointer is */
|
| 4379 |
|
|
/* set to the position of the statement to be executed */
|
| 4380 |
|
|
/* (whatever follows the THEN keyword) which will be */
|
| 4381 |
|
|
/* fetched normally and processed as the next statement. */
|
| 4382 |
|
|
/* */
|
| 4383 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 4384 |
|
|
/* */
|
| 4385 |
|
|
/****************************************************************************/
|
| 4386 |
|
|
{
|
| 4387 |
|
|
int index = 0;
|
| 4388 |
|
|
int expr_begin = 0;
|
| 4389 |
|
|
int expr_end = 0;
|
| 4390 |
|
|
long conditional_value = 0L;
|
| 4391 |
|
|
int then_index = 0L;
|
| 4392 |
|
|
char save_ch = 0;
|
| 4393 |
|
|
JAM_RETURN_TYPE status = JAMC_SYNTAX_ERROR;
|
| 4394 |
|
|
JAME_EXPRESSION_TYPE expr_type = JAM_ILLEGAL_EXPR_TYPE;
|
| 4395 |
|
|
|
| 4396 |
|
|
if ((jam_version == 2) && (jam_phase != JAM_PROCEDURE_PHASE))
|
| 4397 |
|
|
{
|
| 4398 |
|
|
return (JAMC_PHASE_ERROR);
|
| 4399 |
|
|
}
|
| 4400 |
|
|
|
| 4401 |
|
|
index = jam_skip_instruction_name(statement_buffer);
|
| 4402 |
|
|
|
| 4403 |
|
|
/*
|
| 4404 |
|
|
* Evaluate conditional expression
|
| 4405 |
|
|
*/
|
| 4406 |
|
|
expr_begin = index;
|
| 4407 |
|
|
then_index = jam_find_keyword(&statement_buffer[expr_begin], "THEN");
|
| 4408 |
|
|
|
| 4409 |
|
|
if (then_index > 0)
|
| 4410 |
|
|
{
|
| 4411 |
|
|
expr_end = expr_begin + then_index;
|
| 4412 |
|
|
|
| 4413 |
|
|
if (expr_end > expr_begin)
|
| 4414 |
|
|
{
|
| 4415 |
|
|
save_ch = statement_buffer[expr_end];
|
| 4416 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 4417 |
|
|
status = jam_evaluate_expression(
|
| 4418 |
|
|
&statement_buffer[expr_begin], &conditional_value, &expr_type);
|
| 4419 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 4420 |
|
|
}
|
| 4421 |
|
|
|
| 4422 |
|
|
/*
|
| 4423 |
|
|
* Check for Boolean expression
|
| 4424 |
|
|
*/
|
| 4425 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 4426 |
|
|
(expr_type != JAM_BOOLEAN_EXPR) &&
|
| 4427 |
|
|
(expr_type != JAM_INT_OR_BOOL_EXPR))
|
| 4428 |
|
|
{
|
| 4429 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 4430 |
|
|
}
|
| 4431 |
|
|
|
| 4432 |
|
|
if (status == JAMC_SUCCESS)
|
| 4433 |
|
|
{
|
| 4434 |
|
|
if (conditional_value)
|
| 4435 |
|
|
{
|
| 4436 |
|
|
index = expr_end + 4;
|
| 4437 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 4438 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 4439 |
|
|
{
|
| 4440 |
|
|
++index; /* skip over white space */
|
| 4441 |
|
|
}
|
| 4442 |
|
|
|
| 4443 |
|
|
/*
|
| 4444 |
|
|
* Copy whatever appears after "THEN" to beginning of buffer
|
| 4445 |
|
|
* so it can be reused.
|
| 4446 |
|
|
*/
|
| 4447 |
|
|
jam_strcpy(statement_buffer, &statement_buffer[index]);
|
| 4448 |
|
|
*reuse_statement_buffer = TRUE;
|
| 4449 |
|
|
}
|
| 4450 |
|
|
/*
|
| 4451 |
|
|
* (else do nothing if conditional value is false)
|
| 4452 |
|
|
*/
|
| 4453 |
|
|
}
|
| 4454 |
|
|
}
|
| 4455 |
|
|
|
| 4456 |
|
|
return (status);
|
| 4457 |
|
|
}
|
| 4458 |
|
|
|
| 4459 |
|
|
/****************************************************************************/
|
| 4460 |
|
|
/* */
|
| 4461 |
|
|
|
| 4462 |
|
|
JAM_RETURN_TYPE jam_process_integer
|
| 4463 |
|
|
(
|
| 4464 |
|
|
char *statement_buffer
|
| 4465 |
|
|
)
|
| 4466 |
|
|
|
| 4467 |
|
|
/* */
|
| 4468 |
|
|
/* Description: Processes a INTEGER variable declaration statement */
|
| 4469 |
|
|
/* */
|
| 4470 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 4471 |
|
|
/* */
|
| 4472 |
|
|
/****************************************************************************/
|
| 4473 |
|
|
{
|
| 4474 |
|
|
int index = 0;
|
| 4475 |
|
|
int variable_begin = 0;
|
| 4476 |
|
|
int variable_end = 0;
|
| 4477 |
|
|
int dim_begin = 0;
|
| 4478 |
|
|
int dim_end = 0;
|
| 4479 |
|
|
int expr_begin = 0;
|
| 4480 |
|
|
int expr_end = 0;
|
| 4481 |
|
|
long dim_value = 0L;
|
| 4482 |
|
|
long init_value = 0L;
|
| 4483 |
|
|
char save_ch = 0;
|
| 4484 |
|
|
JAME_EXPRESSION_TYPE expr_type = JAM_ILLEGAL_EXPR_TYPE;
|
| 4485 |
|
|
JAMS_SYMBOL_RECORD *symbol_record = NULL;
|
| 4486 |
|
|
JAMS_HEAP_RECORD *heap_record = NULL;
|
| 4487 |
|
|
JAM_RETURN_TYPE status = JAMC_SYNTAX_ERROR;
|
| 4488 |
|
|
|
| 4489 |
|
|
if ((jam_version == 2) &&
|
| 4490 |
|
|
(jam_phase != JAM_PROCEDURE_PHASE) &&
|
| 4491 |
|
|
(jam_phase != JAM_DATA_PHASE))
|
| 4492 |
|
|
{
|
| 4493 |
|
|
return (JAMC_PHASE_ERROR);
|
| 4494 |
|
|
}
|
| 4495 |
|
|
|
| 4496 |
|
|
index = jam_skip_instruction_name(statement_buffer);
|
| 4497 |
|
|
|
| 4498 |
|
|
if (jam_isalpha(statement_buffer[index]))
|
| 4499 |
|
|
{
|
| 4500 |
|
|
/* locate variable name */
|
| 4501 |
|
|
variable_begin = index;
|
| 4502 |
|
|
while ((jam_is_name_char(statement_buffer[index])) &&
|
| 4503 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 4504 |
|
|
{
|
| 4505 |
|
|
++index; /* skip over variable name */
|
| 4506 |
|
|
}
|
| 4507 |
|
|
variable_end = index;
|
| 4508 |
|
|
|
| 4509 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 4510 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 4511 |
|
|
{
|
| 4512 |
|
|
++index; /* skip over white space */
|
| 4513 |
|
|
}
|
| 4514 |
|
|
|
| 4515 |
|
|
if (statement_buffer[index] == JAMC_LBRACKET_CHAR)
|
| 4516 |
|
|
{
|
| 4517 |
|
|
/*
|
| 4518 |
|
|
* Array declaration
|
| 4519 |
|
|
*/
|
| 4520 |
|
|
dim_begin = index + 1;
|
| 4521 |
|
|
while ((statement_buffer[index] != JAMC_RBRACKET_CHAR) &&
|
| 4522 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 4523 |
|
|
{
|
| 4524 |
|
|
++index; /* find matching bracket */
|
| 4525 |
|
|
}
|
| 4526 |
|
|
if (statement_buffer[index] == JAMC_RBRACKET_CHAR)
|
| 4527 |
|
|
{
|
| 4528 |
|
|
dim_end = index;
|
| 4529 |
|
|
++index;
|
| 4530 |
|
|
}
|
| 4531 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 4532 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 4533 |
|
|
{
|
| 4534 |
|
|
++index; /* skip over white space */
|
| 4535 |
|
|
}
|
| 4536 |
|
|
|
| 4537 |
|
|
if (dim_end > dim_begin)
|
| 4538 |
|
|
{
|
| 4539 |
|
|
save_ch = statement_buffer[dim_end];
|
| 4540 |
|
|
statement_buffer[dim_end] = JAMC_NULL_CHAR;
|
| 4541 |
|
|
status = jam_evaluate_expression(
|
| 4542 |
|
|
&statement_buffer[dim_begin], &dim_value, &expr_type);
|
| 4543 |
|
|
statement_buffer[dim_end] = save_ch;
|
| 4544 |
|
|
}
|
| 4545 |
|
|
|
| 4546 |
|
|
/*
|
| 4547 |
|
|
* Check for integer expression
|
| 4548 |
|
|
*/
|
| 4549 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 4550 |
|
|
(expr_type != JAM_INTEGER_EXPR) &&
|
| 4551 |
|
|
(expr_type != JAM_INT_OR_BOOL_EXPR))
|
| 4552 |
|
|
{
|
| 4553 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 4554 |
|
|
}
|
| 4555 |
|
|
|
| 4556 |
|
|
if (status == JAMC_SUCCESS)
|
| 4557 |
|
|
{
|
| 4558 |
|
|
/*
|
| 4559 |
|
|
* Add the array name to the symbol table
|
| 4560 |
|
|
*/
|
| 4561 |
|
|
save_ch = statement_buffer[variable_end];
|
| 4562 |
|
|
statement_buffer[variable_end] = JAMC_NULL_CHAR;
|
| 4563 |
|
|
status = jam_add_symbol(JAM_INTEGER_ARRAY_WRITABLE,
|
| 4564 |
|
|
&statement_buffer[variable_begin], 0L,
|
| 4565 |
|
|
jam_current_statement_position);
|
| 4566 |
|
|
|
| 4567 |
|
|
/* get a pointer to the symbol record */
|
| 4568 |
|
|
if (status == JAMC_SUCCESS)
|
| 4569 |
|
|
{
|
| 4570 |
|
|
status = jam_get_symbol_record(
|
| 4571 |
|
|
&statement_buffer[variable_begin], &symbol_record);
|
| 4572 |
|
|
}
|
| 4573 |
|
|
statement_buffer[variable_end] = save_ch;
|
| 4574 |
|
|
}
|
| 4575 |
|
|
|
| 4576 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 4577 |
|
|
(symbol_record->type == JAM_INTEGER_ARRAY_WRITABLE) &&
|
| 4578 |
|
|
(symbol_record->value == 0))
|
| 4579 |
|
|
{
|
| 4580 |
|
|
if (statement_buffer[index] == JAMC_EQUAL_CHAR)
|
| 4581 |
|
|
{
|
| 4582 |
|
|
/*
|
| 4583 |
|
|
* Array has initialization data: read it in.
|
| 4584 |
|
|
*/
|
| 4585 |
|
|
status = jam_add_heap_record(symbol_record, &heap_record,
|
| 4586 |
|
|
dim_value);
|
| 4587 |
|
|
|
| 4588 |
|
|
if (status == JAMC_SUCCESS)
|
| 4589 |
|
|
{
|
| 4590 |
|
|
symbol_record->value = (long) heap_record;
|
| 4591 |
|
|
|
| 4592 |
|
|
status = jam_read_integer_array_data(heap_record,
|
| 4593 |
|
|
&statement_buffer[index + 1]);
|
| 4594 |
|
|
}
|
| 4595 |
|
|
}
|
| 4596 |
|
|
else if (statement_buffer[index] == JAMC_SEMICOLON_CHAR)
|
| 4597 |
|
|
{
|
| 4598 |
|
|
/*
|
| 4599 |
|
|
* Array has no initialization data.
|
| 4600 |
|
|
* Allocate a buffer on the heap:
|
| 4601 |
|
|
*/
|
| 4602 |
|
|
status = jam_add_heap_record(symbol_record, &heap_record,
|
| 4603 |
|
|
dim_value);
|
| 4604 |
|
|
|
| 4605 |
|
|
if (status == JAMC_SUCCESS)
|
| 4606 |
|
|
{
|
| 4607 |
|
|
symbol_record->value = (long) heap_record;
|
| 4608 |
|
|
}
|
| 4609 |
|
|
}
|
| 4610 |
|
|
}
|
| 4611 |
|
|
else
|
| 4612 |
|
|
{
|
| 4613 |
|
|
/* this should be end of the statement */
|
| 4614 |
|
|
if (status == JAMC_SUCCESS) status = JAMC_SYNTAX_ERROR;
|
| 4615 |
|
|
}
|
| 4616 |
|
|
}
|
| 4617 |
|
|
else
|
| 4618 |
|
|
{
|
| 4619 |
|
|
/*
|
| 4620 |
|
|
* Scalar variable declaration
|
| 4621 |
|
|
*/
|
| 4622 |
|
|
if (statement_buffer[index] == JAMC_SEMICOLON_CHAR)
|
| 4623 |
|
|
{
|
| 4624 |
|
|
status = JAMC_SUCCESS;
|
| 4625 |
|
|
}
|
| 4626 |
|
|
else if (statement_buffer[index] == JAMC_EQUAL_CHAR)
|
| 4627 |
|
|
{
|
| 4628 |
|
|
/*
|
| 4629 |
|
|
* Evaluate initialization expression
|
| 4630 |
|
|
*/
|
| 4631 |
|
|
expr_begin = index + 1;
|
| 4632 |
|
|
while ((statement_buffer[index] != JAMC_NULL_CHAR) &&
|
| 4633 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 4634 |
|
|
{
|
| 4635 |
|
|
++index;
|
| 4636 |
|
|
}
|
| 4637 |
|
|
while ((statement_buffer[index] != JAMC_SEMICOLON_CHAR) &&
|
| 4638 |
|
|
(index > 0))
|
| 4639 |
|
|
{
|
| 4640 |
|
|
--index;
|
| 4641 |
|
|
}
|
| 4642 |
|
|
expr_end = index;
|
| 4643 |
|
|
|
| 4644 |
|
|
if (expr_end > expr_begin)
|
| 4645 |
|
|
{
|
| 4646 |
|
|
save_ch = statement_buffer[expr_end];
|
| 4647 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 4648 |
|
|
status = jam_evaluate_expression(
|
| 4649 |
|
|
&statement_buffer[expr_begin], &init_value, &expr_type);
|
| 4650 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 4651 |
|
|
}
|
| 4652 |
|
|
|
| 4653 |
|
|
/*
|
| 4654 |
|
|
* Check for integer expression
|
| 4655 |
|
|
*/
|
| 4656 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 4657 |
|
|
(expr_type != JAM_INTEGER_EXPR) &&
|
| 4658 |
|
|
(expr_type != JAM_INT_OR_BOOL_EXPR))
|
| 4659 |
|
|
{
|
| 4660 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 4661 |
|
|
}
|
| 4662 |
|
|
}
|
| 4663 |
|
|
|
| 4664 |
|
|
if (status == JAMC_SUCCESS)
|
| 4665 |
|
|
{
|
| 4666 |
|
|
/*
|
| 4667 |
|
|
* Add the variable name to the symbol table
|
| 4668 |
|
|
*/
|
| 4669 |
|
|
save_ch = statement_buffer[variable_end];
|
| 4670 |
|
|
statement_buffer[variable_end] = JAMC_NULL_CHAR;
|
| 4671 |
|
|
status = jam_add_symbol(JAM_INTEGER_SYMBOL,
|
| 4672 |
|
|
&statement_buffer[variable_begin],
|
| 4673 |
|
|
init_value, jam_current_statement_position);
|
| 4674 |
|
|
statement_buffer[variable_end] = save_ch;
|
| 4675 |
|
|
}
|
| 4676 |
|
|
}
|
| 4677 |
|
|
}
|
| 4678 |
|
|
|
| 4679 |
|
|
return (status);
|
| 4680 |
|
|
}
|
| 4681 |
|
|
|
| 4682 |
|
|
/****************************************************************************/
|
| 4683 |
|
|
/* */
|
| 4684 |
|
|
|
| 4685 |
|
|
JAM_RETURN_TYPE jam_process_irscan_compare
|
| 4686 |
|
|
(
|
| 4687 |
|
|
char *statement_buffer,
|
| 4688 |
|
|
long count_value,
|
| 4689 |
|
|
long *in_data,
|
| 4690 |
|
|
long in_index
|
| 4691 |
|
|
)
|
| 4692 |
|
|
|
| 4693 |
|
|
/* */
|
| 4694 |
|
|
/* Description: Processes the arguments for the COMPARE version of the */
|
| 4695 |
|
|
/* IRSCAN statement. Calls jam_swap_ir() to access the */
|
| 4696 |
|
|
/* JTAG hardware interface. */
|
| 4697 |
|
|
/* */
|
| 4698 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 4699 |
|
|
/* */
|
| 4700 |
|
|
/****************************************************************************/
|
| 4701 |
|
|
{
|
| 4702 |
|
|
|
| 4703 |
|
|
/* syntax: IRSCAN <length> [, <data>] [COMPARE <array>, <mask>, <result>] ; */
|
| 4704 |
|
|
|
| 4705 |
|
|
int bit = 0;
|
| 4706 |
|
|
int index = 0;
|
| 4707 |
|
|
int expr_begin = 0;
|
| 4708 |
|
|
int expr_end = 0;
|
| 4709 |
|
|
int delimiter = 0;
|
| 4710 |
|
|
int actual = 0;
|
| 4711 |
|
|
int expected = 0;
|
| 4712 |
|
|
int mask = 0;
|
| 4713 |
|
|
long comp_start_index = 0L;
|
| 4714 |
|
|
long comp_stop_index = 0L;
|
| 4715 |
|
|
long mask_start_index = 0L;
|
| 4716 |
|
|
long mask_stop_index = 0L;
|
| 4717 |
|
|
char save_ch = 0;
|
| 4718 |
|
|
long *temp_array = NULL;
|
| 4719 |
|
|
BOOL result = TRUE;
|
| 4720 |
|
|
JAMS_SYMBOL_RECORD *symbol_record = NULL;
|
| 4721 |
|
|
JAMS_HEAP_RECORD *heap_record = NULL;
|
| 4722 |
|
|
long *comp_data = NULL;
|
| 4723 |
|
|
long *mask_data = NULL;
|
| 4724 |
|
|
long *literal_array_data = NULL;
|
| 4725 |
|
|
JAM_RETURN_TYPE status = JAMC_SYNTAX_ERROR;
|
| 4726 |
|
|
|
| 4727 |
|
|
/*
|
| 4728 |
|
|
* Statement buffer should contain the part of the statement string
|
| 4729 |
|
|
* after the COMPARE keyword.
|
| 4730 |
|
|
*
|
| 4731 |
|
|
* The first argument should be the compare array.
|
| 4732 |
|
|
*/
|
| 4733 |
|
|
status = jam_find_argument(statement_buffer,
|
| 4734 |
|
|
&expr_begin, &expr_end, &delimiter);
|
| 4735 |
|
|
|
| 4736 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 4737 |
|
|
(statement_buffer[delimiter] != JAMC_COMMA_CHAR))
|
| 4738 |
|
|
{
|
| 4739 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 4740 |
|
|
}
|
| 4741 |
|
|
|
| 4742 |
|
|
if (status == JAMC_SUCCESS)
|
| 4743 |
|
|
{
|
| 4744 |
|
|
save_ch = statement_buffer[expr_end];
|
| 4745 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 4746 |
|
|
status = jam_get_array_argument(&statement_buffer[expr_begin],
|
| 4747 |
|
|
&symbol_record, &literal_array_data,
|
| 4748 |
|
|
&comp_start_index, &comp_stop_index, 1);
|
| 4749 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 4750 |
|
|
index = delimiter + 1;
|
| 4751 |
|
|
}
|
| 4752 |
|
|
|
| 4753 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 4754 |
|
|
(literal_array_data != NULL) &&
|
| 4755 |
|
|
(comp_start_index == 0) &&
|
| 4756 |
|
|
(comp_stop_index > count_value - 1))
|
| 4757 |
|
|
{
|
| 4758 |
|
|
comp_stop_index = count_value - 1;
|
| 4759 |
|
|
}
|
| 4760 |
|
|
|
| 4761 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 4762 |
|
|
(comp_stop_index != comp_start_index + count_value - 1))
|
| 4763 |
|
|
{
|
| 4764 |
|
|
status = JAMC_BOUNDS_ERROR;
|
| 4765 |
|
|
}
|
| 4766 |
|
|
|
| 4767 |
|
|
if (status == JAMC_SUCCESS)
|
| 4768 |
|
|
{
|
| 4769 |
|
|
if (symbol_record != NULL)
|
| 4770 |
|
|
{
|
| 4771 |
|
|
heap_record = (JAMS_HEAP_RECORD *)symbol_record->value;
|
| 4772 |
|
|
|
| 4773 |
|
|
if (heap_record != NULL)
|
| 4774 |
|
|
{
|
| 4775 |
|
|
comp_data = heap_record->data;
|
| 4776 |
|
|
}
|
| 4777 |
|
|
else
|
| 4778 |
|
|
{
|
| 4779 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 4780 |
|
|
}
|
| 4781 |
|
|
}
|
| 4782 |
|
|
else if (literal_array_data != NULL)
|
| 4783 |
|
|
{
|
| 4784 |
|
|
comp_data = literal_array_data;
|
| 4785 |
|
|
}
|
| 4786 |
|
|
else
|
| 4787 |
|
|
{
|
| 4788 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 4789 |
|
|
}
|
| 4790 |
|
|
}
|
| 4791 |
|
|
|
| 4792 |
|
|
/*
|
| 4793 |
|
|
* Find the next argument -- should be the mask array
|
| 4794 |
|
|
*/
|
| 4795 |
|
|
if (status == JAMC_SUCCESS)
|
| 4796 |
|
|
{
|
| 4797 |
|
|
status = jam_find_argument(&statement_buffer[index],
|
| 4798 |
|
|
&expr_begin, &expr_end, &delimiter);
|
| 4799 |
|
|
|
| 4800 |
|
|
expr_begin += index;
|
| 4801 |
|
|
expr_end += index;
|
| 4802 |
|
|
delimiter += index;
|
| 4803 |
|
|
}
|
| 4804 |
|
|
|
| 4805 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 4806 |
|
|
(statement_buffer[delimiter] != JAMC_COMMA_CHAR))
|
| 4807 |
|
|
{
|
| 4808 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 4809 |
|
|
}
|
| 4810 |
|
|
|
| 4811 |
|
|
if (status == JAMC_SUCCESS)
|
| 4812 |
|
|
{
|
| 4813 |
|
|
save_ch = statement_buffer[expr_end];
|
| 4814 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 4815 |
|
|
status = jam_get_array_argument(&statement_buffer[expr_begin],
|
| 4816 |
|
|
&symbol_record, &literal_array_data,
|
| 4817 |
|
|
&mask_start_index, &mask_stop_index, 2);
|
| 4818 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 4819 |
|
|
index = delimiter + 1;
|
| 4820 |
|
|
}
|
| 4821 |
|
|
|
| 4822 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 4823 |
|
|
(literal_array_data != NULL) &&
|
| 4824 |
|
|
(mask_start_index == 0) &&
|
| 4825 |
|
|
(mask_stop_index > count_value - 1))
|
| 4826 |
|
|
{
|
| 4827 |
|
|
mask_stop_index = count_value - 1;
|
| 4828 |
|
|
}
|
| 4829 |
|
|
|
| 4830 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 4831 |
|
|
(mask_stop_index != mask_start_index + count_value - 1))
|
| 4832 |
|
|
{
|
| 4833 |
|
|
status = JAMC_BOUNDS_ERROR;
|
| 4834 |
|
|
}
|
| 4835 |
|
|
|
| 4836 |
|
|
if (status == JAMC_SUCCESS)
|
| 4837 |
|
|
{
|
| 4838 |
|
|
if (symbol_record != NULL)
|
| 4839 |
|
|
{
|
| 4840 |
|
|
heap_record = (JAMS_HEAP_RECORD *)symbol_record->value;
|
| 4841 |
|
|
|
| 4842 |
|
|
if (heap_record != NULL)
|
| 4843 |
|
|
{
|
| 4844 |
|
|
mask_data = heap_record->data;
|
| 4845 |
|
|
}
|
| 4846 |
|
|
else
|
| 4847 |
|
|
{
|
| 4848 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 4849 |
|
|
}
|
| 4850 |
|
|
}
|
| 4851 |
|
|
else if (literal_array_data != NULL)
|
| 4852 |
|
|
{
|
| 4853 |
|
|
mask_data = literal_array_data;
|
| 4854 |
|
|
}
|
| 4855 |
|
|
else
|
| 4856 |
|
|
{
|
| 4857 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 4858 |
|
|
}
|
| 4859 |
|
|
}
|
| 4860 |
|
|
|
| 4861 |
|
|
/*
|
| 4862 |
|
|
* Find the third argument -- should be the result variable
|
| 4863 |
|
|
*/
|
| 4864 |
|
|
if (status == JAMC_SUCCESS)
|
| 4865 |
|
|
{
|
| 4866 |
|
|
status = jam_find_argument(&statement_buffer[index],
|
| 4867 |
|
|
&expr_begin, &expr_end, &delimiter);
|
| 4868 |
|
|
|
| 4869 |
|
|
expr_begin += index;
|
| 4870 |
|
|
expr_end += index;
|
| 4871 |
|
|
delimiter += index;
|
| 4872 |
|
|
}
|
| 4873 |
|
|
|
| 4874 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 4875 |
|
|
(statement_buffer[delimiter] != JAMC_SEMICOLON_CHAR))
|
| 4876 |
|
|
{
|
| 4877 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 4878 |
|
|
}
|
| 4879 |
|
|
|
| 4880 |
|
|
/*
|
| 4881 |
|
|
* Result must be a scalar Boolean variable
|
| 4882 |
|
|
*/
|
| 4883 |
|
|
if (status == JAMC_SUCCESS)
|
| 4884 |
|
|
{
|
| 4885 |
|
|
save_ch = statement_buffer[expr_end];
|
| 4886 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 4887 |
|
|
status = jam_get_symbol_record(&statement_buffer[expr_begin],
|
| 4888 |
|
|
&symbol_record);
|
| 4889 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 4890 |
|
|
|
| 4891 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 4892 |
|
|
(symbol_record->type != JAM_BOOLEAN_SYMBOL))
|
| 4893 |
|
|
{
|
| 4894 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 4895 |
|
|
}
|
| 4896 |
|
|
}
|
| 4897 |
|
|
|
| 4898 |
|
|
/*
|
| 4899 |
|
|
* Find some free memory on the heap
|
| 4900 |
|
|
*/
|
| 4901 |
|
|
if (status == JAMC_SUCCESS)
|
| 4902 |
|
|
{
|
| 4903 |
|
|
temp_array = jam_get_temp_workspace((count_value >> 3) + 4);
|
| 4904 |
|
|
|
| 4905 |
|
|
if (temp_array == NULL)
|
| 4906 |
|
|
{
|
| 4907 |
|
|
status = JAMC_OUT_OF_MEMORY;
|
| 4908 |
|
|
}
|
| 4909 |
|
|
}
|
| 4910 |
|
|
|
| 4911 |
|
|
/*
|
| 4912 |
|
|
* Do the JTAG operation, saving the result in temp_array
|
| 4913 |
|
|
*/
|
| 4914 |
|
|
if (status == JAMC_SUCCESS)
|
| 4915 |
|
|
{
|
| 4916 |
|
|
status = jam_swap_ir(count_value, in_data, in_index, temp_array, 0);
|
| 4917 |
|
|
}
|
| 4918 |
|
|
|
| 4919 |
|
|
/*
|
| 4920 |
|
|
* Mask the data and do the comparison
|
| 4921 |
|
|
*/
|
| 4922 |
|
|
if (status == JAMC_SUCCESS)
|
| 4923 |
|
|
{
|
| 4924 |
|
|
for (bit = 0; (bit < count_value) && result; ++bit)
|
| 4925 |
|
|
{
|
| 4926 |
|
|
actual = temp_array[bit >> 5] & (1L << (bit & 0x1f)) ? 1 : 0;
|
| 4927 |
|
|
expected = comp_data[(bit + comp_start_index) >> 5]
|
| 4928 |
|
|
& (1L << ((bit + comp_start_index) & 0x1f)) ? 1 : 0;
|
| 4929 |
|
|
mask = mask_data[(bit + mask_start_index) >> 5]
|
| 4930 |
|
|
& (1L << ((bit + mask_start_index) & 0x1f)) ? 1 : 0;
|
| 4931 |
|
|
|
| 4932 |
|
|
if ((actual & mask) != (expected & mask))
|
| 4933 |
|
|
{
|
| 4934 |
|
|
result = FALSE;
|
| 4935 |
|
|
}
|
| 4936 |
|
|
}
|
| 4937 |
|
|
|
| 4938 |
|
|
symbol_record->value = result ? 1L : 0L;
|
| 4939 |
|
|
}
|
| 4940 |
|
|
|
| 4941 |
|
|
if (temp_array != NULL) jam_free_temp_workspace(temp_array);
|
| 4942 |
|
|
|
| 4943 |
|
|
return (status);
|
| 4944 |
|
|
}
|
| 4945 |
|
|
|
| 4946 |
|
|
/****************************************************************************/
|
| 4947 |
|
|
/* */
|
| 4948 |
|
|
|
| 4949 |
|
|
JAM_RETURN_TYPE jam_process_irscan_capture
|
| 4950 |
|
|
(
|
| 4951 |
|
|
char *statement_buffer,
|
| 4952 |
|
|
long count_value,
|
| 4953 |
|
|
long *in_data,
|
| 4954 |
|
|
long in_index
|
| 4955 |
|
|
)
|
| 4956 |
|
|
|
| 4957 |
|
|
/* */
|
| 4958 |
|
|
/* Description: Processes the arguments for the CAPTURE version of the */
|
| 4959 |
|
|
/* IRSCAN statement. Calls jam_swap_ir() to access the */
|
| 4960 |
|
|
/* JTAG hardware interface. */
|
| 4961 |
|
|
/* */
|
| 4962 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 4963 |
|
|
/* */
|
| 4964 |
|
|
/****************************************************************************/
|
| 4965 |
|
|
{
|
| 4966 |
|
|
/* syntax: IRSCAN <length> [, <data>] [CAPTURE <array>] ; */
|
| 4967 |
|
|
|
| 4968 |
|
|
int expr_begin = 0;
|
| 4969 |
|
|
int expr_end = 0;
|
| 4970 |
|
|
int delimiter = 0;
|
| 4971 |
|
|
long start_index = 0L;
|
| 4972 |
|
|
long stop_index = 0L;
|
| 4973 |
|
|
char save_ch = 0;
|
| 4974 |
|
|
long *tdi_data = NULL;
|
| 4975 |
|
|
long *literal_array_data = NULL;
|
| 4976 |
|
|
JAMS_SYMBOL_RECORD *symbol_record = NULL;
|
| 4977 |
|
|
JAMS_HEAP_RECORD *heap_record = NULL;
|
| 4978 |
|
|
JAM_RETURN_TYPE status = JAMC_SYNTAX_ERROR;
|
| 4979 |
|
|
|
| 4980 |
|
|
/*
|
| 4981 |
|
|
* Statement buffer should contain the part of the statement string
|
| 4982 |
|
|
* after the CAPTURE keyword.
|
| 4983 |
|
|
*
|
| 4984 |
|
|
* The only argument should be the capture array.
|
| 4985 |
|
|
*/
|
| 4986 |
|
|
status = jam_find_argument(statement_buffer,
|
| 4987 |
|
|
&expr_begin, &expr_end, &delimiter);
|
| 4988 |
|
|
|
| 4989 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 4990 |
|
|
(statement_buffer[delimiter] != JAMC_SEMICOLON_CHAR))
|
| 4991 |
|
|
{
|
| 4992 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 4993 |
|
|
}
|
| 4994 |
|
|
|
| 4995 |
|
|
if (status == JAMC_SUCCESS)
|
| 4996 |
|
|
{
|
| 4997 |
|
|
save_ch = statement_buffer[expr_end];
|
| 4998 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 4999 |
|
|
status = jam_get_array_argument(&statement_buffer[expr_begin],
|
| 5000 |
|
|
&symbol_record, &literal_array_data,
|
| 5001 |
|
|
&start_index, &stop_index, 1);
|
| 5002 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 5003 |
|
|
}
|
| 5004 |
|
|
|
| 5005 |
|
|
if ((status == JAMC_SUCCESS) && (literal_array_data != NULL))
|
| 5006 |
|
|
{
|
| 5007 |
|
|
/* literal array may not be used for capture buffer */
|
| 5008 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 5009 |
|
|
}
|
| 5010 |
|
|
|
| 5011 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 5012 |
|
|
(stop_index != start_index + count_value - 1))
|
| 5013 |
|
|
{
|
| 5014 |
|
|
status = JAMC_BOUNDS_ERROR;
|
| 5015 |
|
|
}
|
| 5016 |
|
|
|
| 5017 |
|
|
if (status == JAMC_SUCCESS)
|
| 5018 |
|
|
{
|
| 5019 |
|
|
if (symbol_record != NULL)
|
| 5020 |
|
|
{
|
| 5021 |
|
|
heap_record = (JAMS_HEAP_RECORD *)symbol_record->value;
|
| 5022 |
|
|
|
| 5023 |
|
|
if (heap_record != NULL)
|
| 5024 |
|
|
{
|
| 5025 |
|
|
tdi_data = heap_record->data;
|
| 5026 |
|
|
}
|
| 5027 |
|
|
else
|
| 5028 |
|
|
{
|
| 5029 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 5030 |
|
|
}
|
| 5031 |
|
|
}
|
| 5032 |
|
|
else
|
| 5033 |
|
|
{
|
| 5034 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 5035 |
|
|
}
|
| 5036 |
|
|
}
|
| 5037 |
|
|
|
| 5038 |
|
|
/*
|
| 5039 |
|
|
* Perform the JTAG operation, capturing data into the heap buffer
|
| 5040 |
|
|
*/
|
| 5041 |
|
|
if (status == JAMC_SUCCESS)
|
| 5042 |
|
|
{
|
| 5043 |
|
|
status = jam_swap_ir(count_value, in_data, in_index,
|
| 5044 |
|
|
tdi_data, start_index);
|
| 5045 |
|
|
}
|
| 5046 |
|
|
|
| 5047 |
|
|
return (status);
|
| 5048 |
|
|
}
|
| 5049 |
|
|
|
| 5050 |
|
|
/****************************************************************************/
|
| 5051 |
|
|
/* */
|
| 5052 |
|
|
|
| 5053 |
|
|
JAM_RETURN_TYPE jam_process_irscan
|
| 5054 |
|
|
(
|
| 5055 |
|
|
char *statement_buffer
|
| 5056 |
|
|
)
|
| 5057 |
|
|
|
| 5058 |
|
|
/* */
|
| 5059 |
|
|
/* Description: Processes IRSCAN statement, which shifts data through */
|
| 5060 |
|
|
/* an instruction register of the JTAG interface */
|
| 5061 |
|
|
/* */
|
| 5062 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 5063 |
|
|
/* */
|
| 5064 |
|
|
/****************************************************************************/
|
| 5065 |
|
|
{
|
| 5066 |
|
|
/* syntax: IRSCAN <length> [, <data>] [CAPTURE <array>] ; */
|
| 5067 |
|
|
/* or: IRSCAN <length> [, <data>] [COMPARE <array>, <mask>, <result>] ; */
|
| 5068 |
|
|
|
| 5069 |
|
|
int index = 0;
|
| 5070 |
|
|
int expr_begin = 0;
|
| 5071 |
|
|
int expr_end = 0;
|
| 5072 |
|
|
int delimiter = 0L;
|
| 5073 |
|
|
long count_value = 0L;
|
| 5074 |
|
|
long start_index = 0L;
|
| 5075 |
|
|
long stop_index = 0L;
|
| 5076 |
|
|
char save_ch = 0;
|
| 5077 |
|
|
long *tdi_data = NULL;
|
| 5078 |
|
|
long *literal_array_data = NULL;
|
| 5079 |
|
|
JAME_EXPRESSION_TYPE expr_type = JAM_ILLEGAL_EXPR_TYPE;
|
| 5080 |
|
|
JAMS_SYMBOL_RECORD *symbol_record = NULL;
|
| 5081 |
|
|
JAMS_HEAP_RECORD *heap_record = NULL;
|
| 5082 |
|
|
JAM_RETURN_TYPE status = JAMC_SYNTAX_ERROR;
|
| 5083 |
|
|
|
| 5084 |
|
|
if ((jam_version == 2) && (jam_phase != JAM_PROCEDURE_PHASE))
|
| 5085 |
|
|
{
|
| 5086 |
|
|
return (JAMC_PHASE_ERROR);
|
| 5087 |
|
|
}
|
| 5088 |
|
|
|
| 5089 |
|
|
index = jam_skip_instruction_name(statement_buffer);
|
| 5090 |
|
|
|
| 5091 |
|
|
/* locate length */
|
| 5092 |
|
|
status = jam_find_argument(&statement_buffer[index],
|
| 5093 |
|
|
&expr_begin, &expr_end, &delimiter);
|
| 5094 |
|
|
|
| 5095 |
|
|
expr_begin += index;
|
| 5096 |
|
|
expr_end += index;
|
| 5097 |
|
|
delimiter += index;
|
| 5098 |
|
|
|
| 5099 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 5100 |
|
|
(statement_buffer[delimiter] != JAMC_COMMA_CHAR))
|
| 5101 |
|
|
{
|
| 5102 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 5103 |
|
|
}
|
| 5104 |
|
|
|
| 5105 |
|
|
if (status == JAMC_SUCCESS)
|
| 5106 |
|
|
{
|
| 5107 |
|
|
save_ch = statement_buffer[expr_end];
|
| 5108 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 5109 |
|
|
status = jam_evaluate_expression(
|
| 5110 |
|
|
&statement_buffer[expr_begin], &count_value, &expr_type);
|
| 5111 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 5112 |
|
|
}
|
| 5113 |
|
|
|
| 5114 |
|
|
/*
|
| 5115 |
|
|
* Check for integer expression
|
| 5116 |
|
|
*/
|
| 5117 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 5118 |
|
|
(expr_type != JAM_INTEGER_EXPR) &&
|
| 5119 |
|
|
(expr_type != JAM_INT_OR_BOOL_EXPR))
|
| 5120 |
|
|
{
|
| 5121 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 5122 |
|
|
}
|
| 5123 |
|
|
|
| 5124 |
|
|
/*
|
| 5125 |
|
|
* Look for array variable with sub-range index
|
| 5126 |
|
|
*/
|
| 5127 |
|
|
if (status == JAMC_SUCCESS)
|
| 5128 |
|
|
{
|
| 5129 |
|
|
index = delimiter + 1;
|
| 5130 |
|
|
status = jam_find_argument(&statement_buffer[index],
|
| 5131 |
|
|
&expr_begin, &expr_end, &delimiter);
|
| 5132 |
|
|
|
| 5133 |
|
|
expr_begin += index;
|
| 5134 |
|
|
expr_end += index;
|
| 5135 |
|
|
delimiter += index;
|
| 5136 |
|
|
}
|
| 5137 |
|
|
|
| 5138 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 5139 |
|
|
(statement_buffer[delimiter] != JAMC_COMMA_CHAR) &&
|
| 5140 |
|
|
(statement_buffer[delimiter] != JAMC_SEMICOLON_CHAR))
|
| 5141 |
|
|
{
|
| 5142 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 5143 |
|
|
}
|
| 5144 |
|
|
|
| 5145 |
|
|
if (status == JAMC_SUCCESS)
|
| 5146 |
|
|
{
|
| 5147 |
|
|
save_ch = statement_buffer[expr_end];
|
| 5148 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 5149 |
|
|
status = jam_get_array_argument(&statement_buffer[expr_begin],
|
| 5150 |
|
|
&symbol_record, &literal_array_data,
|
| 5151 |
|
|
&start_index, &stop_index, 0);
|
| 5152 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 5153 |
|
|
}
|
| 5154 |
|
|
|
| 5155 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 5156 |
|
|
(literal_array_data != NULL) &&
|
| 5157 |
|
|
(start_index == 0) &&
|
| 5158 |
|
|
(stop_index > count_value - 1))
|
| 5159 |
|
|
{
|
| 5160 |
|
|
stop_index = count_value - 1;
|
| 5161 |
|
|
}
|
| 5162 |
|
|
|
| 5163 |
|
|
if (status == JAMC_SUCCESS)
|
| 5164 |
|
|
{
|
| 5165 |
|
|
if (symbol_record != NULL)
|
| 5166 |
|
|
{
|
| 5167 |
|
|
heap_record = (JAMS_HEAP_RECORD *)symbol_record->value;
|
| 5168 |
|
|
|
| 5169 |
|
|
if (heap_record != NULL)
|
| 5170 |
|
|
{
|
| 5171 |
|
|
tdi_data = heap_record->data;
|
| 5172 |
|
|
}
|
| 5173 |
|
|
else
|
| 5174 |
|
|
{
|
| 5175 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 5176 |
|
|
}
|
| 5177 |
|
|
}
|
| 5178 |
|
|
else if (literal_array_data != NULL)
|
| 5179 |
|
|
{
|
| 5180 |
|
|
tdi_data = literal_array_data;
|
| 5181 |
|
|
}
|
| 5182 |
|
|
else
|
| 5183 |
|
|
{
|
| 5184 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 5185 |
|
|
}
|
| 5186 |
|
|
}
|
| 5187 |
|
|
|
| 5188 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 5189 |
|
|
(statement_buffer[delimiter] == JAMC_SEMICOLON_CHAR))
|
| 5190 |
|
|
{
|
| 5191 |
|
|
/*
|
| 5192 |
|
|
* Do a simple IRSCAN operation -- no capture or compare
|
| 5193 |
|
|
*/
|
| 5194 |
|
|
status = jam_do_irscan(count_value, tdi_data, start_index);
|
| 5195 |
|
|
}
|
| 5196 |
|
|
else if ((status == JAMC_SUCCESS) &&
|
| 5197 |
|
|
(statement_buffer[delimiter] == JAMC_COMMA_CHAR))
|
| 5198 |
|
|
{
|
| 5199 |
|
|
/*
|
| 5200 |
|
|
* Delimiter was a COMMA, so look for CAPTURE or COMPARE keyword
|
| 5201 |
|
|
*/
|
| 5202 |
|
|
index = delimiter + 1;
|
| 5203 |
|
|
while (jam_isspace(statement_buffer[index]))
|
| 5204 |
|
|
{
|
| 5205 |
|
|
++index; /* skip over white space */
|
| 5206 |
|
|
}
|
| 5207 |
|
|
|
| 5208 |
|
|
if ((jam_strncmp(&statement_buffer[index], "CAPTURE", 7) == 0) &&
|
| 5209 |
|
|
(jam_isspace(statement_buffer[index + 7])))
|
| 5210 |
|
|
{
|
| 5211 |
|
|
/*
|
| 5212 |
|
|
* Do an IRSCAN with capture
|
| 5213 |
|
|
*/
|
| 5214 |
|
|
status = jam_process_irscan_capture(&statement_buffer[index + 8],
|
| 5215 |
|
|
count_value, tdi_data, start_index);
|
| 5216 |
|
|
}
|
| 5217 |
|
|
else if ((jam_strncmp(&statement_buffer[index], "COMPARE", 7) == 0) &&
|
| 5218 |
|
|
(jam_isspace(statement_buffer[index + 7])))
|
| 5219 |
|
|
{
|
| 5220 |
|
|
/*
|
| 5221 |
|
|
* Do an IRSCAN with compare
|
| 5222 |
|
|
*/
|
| 5223 |
|
|
status = jam_process_irscan_compare(&statement_buffer[index + 8],
|
| 5224 |
|
|
count_value, tdi_data, start_index);
|
| 5225 |
|
|
}
|
| 5226 |
|
|
else
|
| 5227 |
|
|
{
|
| 5228 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 5229 |
|
|
}
|
| 5230 |
|
|
}
|
| 5231 |
|
|
|
| 5232 |
|
|
return (status);
|
| 5233 |
|
|
}
|
| 5234 |
|
|
|
| 5235 |
|
|
/****************************************************************************/
|
| 5236 |
|
|
/* */
|
| 5237 |
|
|
|
| 5238 |
|
|
JAM_RETURN_TYPE jam_process_irstop
|
| 5239 |
|
|
(
|
| 5240 |
|
|
char *statement_buffer
|
| 5241 |
|
|
)
|
| 5242 |
|
|
|
| 5243 |
|
|
/* */
|
| 5244 |
|
|
/* Description: Sets stop-state for IR scan operations */
|
| 5245 |
|
|
/* */
|
| 5246 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 5247 |
|
|
/* */
|
| 5248 |
|
|
/****************************************************************************/
|
| 5249 |
|
|
{
|
| 5250 |
|
|
int index = 0;
|
| 5251 |
|
|
int expr_begin = 0;
|
| 5252 |
|
|
int expr_end = 0;
|
| 5253 |
|
|
int delimiter = 0;
|
| 5254 |
|
|
JAM_RETURN_TYPE status = JAMC_SUCCESS;
|
| 5255 |
|
|
JAME_JTAG_STATE state = JAM_ILLEGAL_JTAG_STATE;
|
| 5256 |
|
|
|
| 5257 |
|
|
if ((jam_version == 2) && (jam_phase != JAM_PROCEDURE_PHASE))
|
| 5258 |
|
|
{
|
| 5259 |
|
|
return (JAMC_PHASE_ERROR);
|
| 5260 |
|
|
}
|
| 5261 |
|
|
|
| 5262 |
|
|
index = jam_skip_instruction_name(statement_buffer);
|
| 5263 |
|
|
|
| 5264 |
|
|
/*
|
| 5265 |
|
|
* Get next argument
|
| 5266 |
|
|
*/
|
| 5267 |
|
|
status = jam_find_argument(&statement_buffer[index],
|
| 5268 |
|
|
&expr_begin, &expr_end, &delimiter);
|
| 5269 |
|
|
|
| 5270 |
|
|
expr_begin += index;
|
| 5271 |
|
|
expr_end += index;
|
| 5272 |
|
|
delimiter += index;
|
| 5273 |
|
|
|
| 5274 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 5275 |
|
|
(statement_buffer[delimiter] != JAMC_SEMICOLON_CHAR))
|
| 5276 |
|
|
{
|
| 5277 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 5278 |
|
|
}
|
| 5279 |
|
|
|
| 5280 |
|
|
if (status == JAMC_SUCCESS)
|
| 5281 |
|
|
{
|
| 5282 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 5283 |
|
|
state = jam_get_jtag_state_from_name(&statement_buffer[expr_begin]);
|
| 5284 |
|
|
|
| 5285 |
|
|
if (state == JAM_ILLEGAL_JTAG_STATE)
|
| 5286 |
|
|
{
|
| 5287 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 5288 |
|
|
}
|
| 5289 |
|
|
else
|
| 5290 |
|
|
{
|
| 5291 |
|
|
/*
|
| 5292 |
|
|
* Set IRSCAN stop state to the specified state
|
| 5293 |
|
|
*/
|
| 5294 |
|
|
status = jam_set_irstop_state(state);
|
| 5295 |
|
|
}
|
| 5296 |
|
|
}
|
| 5297 |
|
|
|
| 5298 |
|
|
return (status);
|
| 5299 |
|
|
}
|
| 5300 |
|
|
|
| 5301 |
|
|
/****************************************************************************/
|
| 5302 |
|
|
/* */
|
| 5303 |
|
|
|
| 5304 |
|
|
JAM_RETURN_TYPE jam_copy_array_subrange
|
| 5305 |
|
|
(
|
| 5306 |
|
|
long *source_heap_data,
|
| 5307 |
|
|
long source_subrange_begin,
|
| 5308 |
|
|
long source_subrange_end,
|
| 5309 |
|
|
long *dest_heap_data,
|
| 5310 |
|
|
long dest_subrange_begin,
|
| 5311 |
|
|
long dest_subrange_end
|
| 5312 |
|
|
)
|
| 5313 |
|
|
|
| 5314 |
|
|
/* */
|
| 5315 |
|
|
/* Description: Copies bits from one BOOLEAN array buffer to another */
|
| 5316 |
|
|
/* */
|
| 5317 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 5318 |
|
|
/* */
|
| 5319 |
|
|
/****************************************************************************/
|
| 5320 |
|
|
{
|
| 5321 |
|
|
long source_length = 1 + source_subrange_end - source_subrange_begin;
|
| 5322 |
|
|
long dest_length = 1 + dest_subrange_end - dest_subrange_begin;
|
| 5323 |
|
|
long length = source_length;
|
| 5324 |
|
|
long index = 0L;
|
| 5325 |
|
|
long source_index = 0L;
|
| 5326 |
|
|
long dest_index = 0L;
|
| 5327 |
|
|
JAM_RETURN_TYPE status = JAMC_SUCCESS;
|
| 5328 |
|
|
|
| 5329 |
|
|
/* find minimum of source_length and dest_length */
|
| 5330 |
|
|
if (length > dest_length) length = dest_length;
|
| 5331 |
|
|
|
| 5332 |
|
|
if (length <= 0L)
|
| 5333 |
|
|
{
|
| 5334 |
|
|
status = JAMC_BOUNDS_ERROR;
|
| 5335 |
|
|
}
|
| 5336 |
|
|
else
|
| 5337 |
|
|
{
|
| 5338 |
|
|
/* copy the bits */
|
| 5339 |
|
|
for (index = 0L; index < length; ++index)
|
| 5340 |
|
|
{
|
| 5341 |
|
|
source_index = index + source_subrange_begin;
|
| 5342 |
|
|
dest_index = index + dest_subrange_begin;
|
| 5343 |
|
|
|
| 5344 |
|
|
if (source_heap_data[source_index >> 5] &
|
| 5345 |
|
|
(1L << (source_index & 0x1f)))
|
| 5346 |
|
|
{
|
| 5347 |
|
|
/* set a single bit */
|
| 5348 |
|
|
dest_heap_data[dest_index >> 5] |=
|
| 5349 |
|
|
(1L << (dest_index & 0x1f));
|
| 5350 |
|
|
}
|
| 5351 |
|
|
else
|
| 5352 |
|
|
{
|
| 5353 |
|
|
/* clear a single bit */
|
| 5354 |
|
|
dest_heap_data[dest_index >> 5] &=
|
| 5355 |
|
|
(~(unsigned long)(1L << (dest_index & 0x1f)));
|
| 5356 |
|
|
}
|
| 5357 |
|
|
}
|
| 5358 |
|
|
}
|
| 5359 |
|
|
|
| 5360 |
|
|
return (status);
|
| 5361 |
|
|
}
|
| 5362 |
|
|
|
| 5363 |
|
|
BOOL jam_check_assignment
|
| 5364 |
|
|
(
|
| 5365 |
|
|
char *statement_buffer
|
| 5366 |
|
|
)
|
| 5367 |
|
|
{
|
| 5368 |
|
|
BOOL assignment = FALSE;
|
| 5369 |
|
|
int index = 0;
|
| 5370 |
|
|
char save_ch = 0;
|
| 5371 |
|
|
int variable_begin = 0;
|
| 5372 |
|
|
int variable_end = 0;
|
| 5373 |
|
|
JAMS_SYMBOL_RECORD *symbol_record = NULL;
|
| 5374 |
|
|
|
| 5375 |
|
|
while ((jam_is_name_char(statement_buffer[index])) &&
|
| 5376 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 5377 |
|
|
{
|
| 5378 |
|
|
++index; /* skip over variable name */
|
| 5379 |
|
|
}
|
| 5380 |
|
|
|
| 5381 |
|
|
if (index < JAMC_MAX_NAME_LENGTH)
|
| 5382 |
|
|
{
|
| 5383 |
|
|
/* check if this is a variable name */
|
| 5384 |
|
|
variable_end = index;
|
| 5385 |
|
|
save_ch = statement_buffer[variable_end];
|
| 5386 |
|
|
statement_buffer[variable_end] = JAMC_NULL_CHAR;
|
| 5387 |
|
|
|
| 5388 |
|
|
if (jam_get_symbol_record(&statement_buffer[variable_begin],
|
| 5389 |
|
|
&symbol_record) == JAMC_SUCCESS)
|
| 5390 |
|
|
{
|
| 5391 |
|
|
if ((symbol_record->type == JAM_INTEGER_SYMBOL) ||
|
| 5392 |
|
|
(symbol_record->type == JAM_BOOLEAN_SYMBOL) ||
|
| 5393 |
|
|
(symbol_record->type == JAM_INTEGER_ARRAY_WRITABLE) ||
|
| 5394 |
|
|
(symbol_record->type == JAM_BOOLEAN_ARRAY_WRITABLE) ||
|
| 5395 |
|
|
(symbol_record->type == JAM_INTEGER_ARRAY_INITIALIZED) ||
|
| 5396 |
|
|
(symbol_record->type == JAM_BOOLEAN_ARRAY_INITIALIZED))
|
| 5397 |
|
|
{
|
| 5398 |
|
|
assignment = TRUE;
|
| 5399 |
|
|
}
|
| 5400 |
|
|
}
|
| 5401 |
|
|
|
| 5402 |
|
|
statement_buffer[variable_end] = save_ch;
|
| 5403 |
|
|
}
|
| 5404 |
|
|
|
| 5405 |
|
|
return (assignment);
|
| 5406 |
|
|
}
|
| 5407 |
|
|
|
| 5408 |
|
|
/****************************************************************************/
|
| 5409 |
|
|
/* */
|
| 5410 |
|
|
|
| 5411 |
|
|
JAM_RETURN_TYPE jam_process_assignment
|
| 5412 |
|
|
(
|
| 5413 |
|
|
char *statement_buffer,
|
| 5414 |
|
|
BOOL let
|
| 5415 |
|
|
)
|
| 5416 |
|
|
|
| 5417 |
|
|
/* */
|
| 5418 |
|
|
/* Description: Processes a LET (assignment) statement. */
|
| 5419 |
|
|
/* */
|
| 5420 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 5421 |
|
|
/* */
|
| 5422 |
|
|
/****************************************************************************/
|
| 5423 |
|
|
{
|
| 5424 |
|
|
int index = 0;
|
| 5425 |
|
|
int variable_begin = 0;
|
| 5426 |
|
|
int variable_end = 0;
|
| 5427 |
|
|
int dim_begin = 0;
|
| 5428 |
|
|
int dim_end = 0;
|
| 5429 |
|
|
int expr_begin = 0;
|
| 5430 |
|
|
int expr_end = 0;
|
| 5431 |
|
|
int bracket_count = 0;
|
| 5432 |
|
|
long dim_value = 0L;
|
| 5433 |
|
|
long assign_value = 0L;
|
| 5434 |
|
|
char save_ch = 0;
|
| 5435 |
|
|
long source_subrange_begin = 0L;
|
| 5436 |
|
|
long source_subrange_end = 0L;
|
| 5437 |
|
|
long dest_subrange_begin = 0L;
|
| 5438 |
|
|
long dest_subrange_end = 0L;
|
| 5439 |
|
|
BOOL is_array = FALSE;
|
| 5440 |
|
|
BOOL full_array = FALSE;
|
| 5441 |
|
|
BOOL array_subrange = FALSE;
|
| 5442 |
|
|
long *source_heap_data = NULL;
|
| 5443 |
|
|
long *dest_heap_data = NULL;
|
| 5444 |
|
|
long *literal_array_data = NULL;
|
| 5445 |
|
|
JAME_EXPRESSION_TYPE assign_type = JAM_ILLEGAL_EXPR_TYPE;
|
| 5446 |
|
|
JAME_EXPRESSION_TYPE expr_type = JAM_ILLEGAL_EXPR_TYPE;
|
| 5447 |
|
|
JAMS_SYMBOL_RECORD *symbol_record = NULL;
|
| 5448 |
|
|
JAMS_HEAP_RECORD *heap_record = NULL;
|
| 5449 |
|
|
JAM_RETURN_TYPE status = JAMC_SYNTAX_ERROR;
|
| 5450 |
|
|
|
| 5451 |
|
|
|
| 5452 |
|
|
if (let & (jam_version == 0)) jam_version = 1;
|
| 5453 |
|
|
|
| 5454 |
|
|
if ((!let) & (jam_version == 0)) jam_version = 2;
|
| 5455 |
|
|
|
| 5456 |
|
|
if (((!let) & (jam_version == 1)) || (let & (jam_version == 2)))
|
| 5457 |
|
|
{
|
| 5458 |
|
|
return (JAMC_SYNTAX_ERROR);
|
| 5459 |
|
|
}
|
| 5460 |
|
|
|
| 5461 |
|
|
if ((jam_version == 2) && (jam_phase != JAM_PROCEDURE_PHASE))
|
| 5462 |
|
|
{
|
| 5463 |
|
|
return (JAMC_PHASE_ERROR);
|
| 5464 |
|
|
}
|
| 5465 |
|
|
|
| 5466 |
|
|
if (let)
|
| 5467 |
|
|
{
|
| 5468 |
|
|
index = jam_skip_instruction_name(statement_buffer);
|
| 5469 |
|
|
}
|
| 5470 |
|
|
|
| 5471 |
|
|
if (jam_isalpha(statement_buffer[index]))
|
| 5472 |
|
|
{
|
| 5473 |
|
|
/* locate variable name */
|
| 5474 |
|
|
variable_begin = index;
|
| 5475 |
|
|
while ((jam_is_name_char(statement_buffer[index])) &&
|
| 5476 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 5477 |
|
|
{
|
| 5478 |
|
|
++index; /* skip over variable name */
|
| 5479 |
|
|
}
|
| 5480 |
|
|
variable_end = index;
|
| 5481 |
|
|
|
| 5482 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 5483 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 5484 |
|
|
{
|
| 5485 |
|
|
++index; /* skip over white space */
|
| 5486 |
|
|
}
|
| 5487 |
|
|
|
| 5488 |
|
|
status = JAMC_SUCCESS;
|
| 5489 |
|
|
|
| 5490 |
|
|
if (statement_buffer[index] == JAMC_LBRACKET_CHAR)
|
| 5491 |
|
|
{
|
| 5492 |
|
|
/*
|
| 5493 |
|
|
* Assignment to array element
|
| 5494 |
|
|
*/
|
| 5495 |
|
|
++index;
|
| 5496 |
|
|
is_array = TRUE;
|
| 5497 |
|
|
dim_begin = index;
|
| 5498 |
|
|
while ((jam_isspace(statement_buffer[dim_begin])) &&
|
| 5499 |
|
|
(dim_begin < JAMC_MAX_STATEMENT_LENGTH))
|
| 5500 |
|
|
{
|
| 5501 |
|
|
++dim_begin; /* skip over white space */
|
| 5502 |
|
|
}
|
| 5503 |
|
|
while (((statement_buffer[index] != JAMC_RBRACKET_CHAR) ||
|
| 5504 |
|
|
(bracket_count > 0)) &&
|
| 5505 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 5506 |
|
|
{
|
| 5507 |
|
|
if (statement_buffer[index] == JAMC_LBRACKET_CHAR)
|
| 5508 |
|
|
{
|
| 5509 |
|
|
++bracket_count;
|
| 5510 |
|
|
}
|
| 5511 |
|
|
else if (statement_buffer[index] == JAMC_RBRACKET_CHAR)
|
| 5512 |
|
|
{
|
| 5513 |
|
|
--bracket_count;
|
| 5514 |
|
|
}
|
| 5515 |
|
|
|
| 5516 |
|
|
++index; /* find matching bracket */
|
| 5517 |
|
|
}
|
| 5518 |
|
|
if (statement_buffer[index] == JAMC_RBRACKET_CHAR)
|
| 5519 |
|
|
{
|
| 5520 |
|
|
dim_end = index;
|
| 5521 |
|
|
}
|
| 5522 |
|
|
|
| 5523 |
|
|
if (dim_end == dim_begin)
|
| 5524 |
|
|
{
|
| 5525 |
|
|
/* full array notation */
|
| 5526 |
|
|
full_array = TRUE;
|
| 5527 |
|
|
}
|
| 5528 |
|
|
else if (dim_end > dim_begin)
|
| 5529 |
|
|
{
|
| 5530 |
|
|
/* look for ".." in array index expression */
|
| 5531 |
|
|
index = dim_begin;
|
| 5532 |
|
|
while ((index < dim_end) && !array_subrange)
|
| 5533 |
|
|
{
|
| 5534 |
|
|
if ((statement_buffer[index] == JAMC_PERIOD_CHAR) &&
|
| 5535 |
|
|
(statement_buffer[index + 1] == JAMC_PERIOD_CHAR))
|
| 5536 |
|
|
{
|
| 5537 |
|
|
array_subrange = TRUE;
|
| 5538 |
|
|
}
|
| 5539 |
|
|
++index;
|
| 5540 |
|
|
}
|
| 5541 |
|
|
}
|
| 5542 |
|
|
else
|
| 5543 |
|
|
{
|
| 5544 |
|
|
/* right bracket not found */
|
| 5545 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 5546 |
|
|
}
|
| 5547 |
|
|
|
| 5548 |
|
|
if (status == JAMC_SUCCESS)
|
| 5549 |
|
|
{
|
| 5550 |
|
|
index = dim_end + 1;
|
| 5551 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 5552 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 5553 |
|
|
{
|
| 5554 |
|
|
++index; /* skip over white space */
|
| 5555 |
|
|
}
|
| 5556 |
|
|
|
| 5557 |
|
|
/* get pointer to symbol record */
|
| 5558 |
|
|
save_ch = statement_buffer[variable_end];
|
| 5559 |
|
|
statement_buffer[variable_end] = JAMC_NULL_CHAR;
|
| 5560 |
|
|
status = jam_get_symbol_record(
|
| 5561 |
|
|
&statement_buffer[variable_begin], &symbol_record);
|
| 5562 |
|
|
statement_buffer[variable_end] = save_ch;
|
| 5563 |
|
|
|
| 5564 |
|
|
/* check array type */
|
| 5565 |
|
|
if (status == JAMC_SUCCESS)
|
| 5566 |
|
|
{
|
| 5567 |
|
|
switch (symbol_record->type)
|
| 5568 |
|
|
{
|
| 5569 |
|
|
case JAM_INTEGER_ARRAY_WRITABLE:
|
| 5570 |
|
|
assign_type = JAM_INTEGER_EXPR;
|
| 5571 |
|
|
break;
|
| 5572 |
|
|
|
| 5573 |
|
|
case JAM_BOOLEAN_ARRAY_WRITABLE:
|
| 5574 |
|
|
assign_type = JAM_BOOLEAN_EXPR;
|
| 5575 |
|
|
break;
|
| 5576 |
|
|
|
| 5577 |
|
|
case JAM_INTEGER_ARRAY_INITIALIZED:
|
| 5578 |
|
|
case JAM_BOOLEAN_ARRAY_INITIALIZED:
|
| 5579 |
|
|
status = JAMC_ASSIGN_TO_CONST;
|
| 5580 |
|
|
break;
|
| 5581 |
|
|
|
| 5582 |
|
|
default:
|
| 5583 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 5584 |
|
|
break;
|
| 5585 |
|
|
}
|
| 5586 |
|
|
}
|
| 5587 |
|
|
|
| 5588 |
|
|
/* get pointer to heap record */
|
| 5589 |
|
|
if (status == JAMC_SUCCESS)
|
| 5590 |
|
|
{
|
| 5591 |
|
|
heap_record = (JAMS_HEAP_RECORD *) symbol_record->value;
|
| 5592 |
|
|
|
| 5593 |
|
|
if (heap_record == NULL)
|
| 5594 |
|
|
{
|
| 5595 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 5596 |
|
|
}
|
| 5597 |
|
|
else
|
| 5598 |
|
|
{
|
| 5599 |
|
|
dest_heap_data = heap_record->data;
|
| 5600 |
|
|
}
|
| 5601 |
|
|
}
|
| 5602 |
|
|
}
|
| 5603 |
|
|
|
| 5604 |
|
|
if (status == JAMC_SUCCESS)
|
| 5605 |
|
|
{
|
| 5606 |
|
|
if (full_array || array_subrange)
|
| 5607 |
|
|
{
|
| 5608 |
|
|
if (assign_type == JAM_BOOLEAN_EXPR)
|
| 5609 |
|
|
{
|
| 5610 |
|
|
if (full_array)
|
| 5611 |
|
|
{
|
| 5612 |
|
|
dest_subrange_begin = 0L;
|
| 5613 |
|
|
dest_subrange_end = heap_record->dimension - 1L;
|
| 5614 |
|
|
array_subrange = TRUE;
|
| 5615 |
|
|
}
|
| 5616 |
|
|
else
|
| 5617 |
|
|
{
|
| 5618 |
|
|
save_ch = statement_buffer[dim_end];
|
| 5619 |
|
|
statement_buffer[dim_end] = JAMC_NULL_CHAR;
|
| 5620 |
|
|
status = jam_get_array_subrange(symbol_record,
|
| 5621 |
|
|
&statement_buffer[dim_begin],
|
| 5622 |
|
|
&dest_subrange_begin, &dest_subrange_end);
|
| 5623 |
|
|
statement_buffer[dim_end] = save_ch;
|
| 5624 |
|
|
|
| 5625 |
|
|
/* check array bounds */
|
| 5626 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 5627 |
|
|
((dest_subrange_begin < 0L) ||
|
| 5628 |
|
|
(dest_subrange_begin >= heap_record->dimension)
|
| 5629 |
|
|
|| (dest_subrange_end < 0L) ||
|
| 5630 |
|
|
(dest_subrange_end >= heap_record->dimension)))
|
| 5631 |
|
|
{
|
| 5632 |
|
|
status = JAMC_BOUNDS_ERROR;
|
| 5633 |
|
|
}
|
| 5634 |
|
|
}
|
| 5635 |
|
|
}
|
| 5636 |
|
|
else
|
| 5637 |
|
|
{
|
| 5638 |
|
|
/* can't assign to an integer array */
|
| 5639 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 5640 |
|
|
}
|
| 5641 |
|
|
}
|
| 5642 |
|
|
else
|
| 5643 |
|
|
{
|
| 5644 |
|
|
/* assign to array element */
|
| 5645 |
|
|
save_ch = statement_buffer[dim_end];
|
| 5646 |
|
|
statement_buffer[dim_end] = JAMC_NULL_CHAR;
|
| 5647 |
|
|
status = jam_evaluate_expression(
|
| 5648 |
|
|
&statement_buffer[dim_begin], &dim_value, &expr_type);
|
| 5649 |
|
|
statement_buffer[dim_end] = save_ch;
|
| 5650 |
|
|
|
| 5651 |
|
|
/*
|
| 5652 |
|
|
* Check for integer expression
|
| 5653 |
|
|
*/
|
| 5654 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 5655 |
|
|
(expr_type != JAM_INTEGER_EXPR) &&
|
| 5656 |
|
|
(expr_type != JAM_INT_OR_BOOL_EXPR))
|
| 5657 |
|
|
{
|
| 5658 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 5659 |
|
|
}
|
| 5660 |
|
|
}
|
| 5661 |
|
|
}
|
| 5662 |
|
|
}
|
| 5663 |
|
|
else
|
| 5664 |
|
|
{
|
| 5665 |
|
|
/*
|
| 5666 |
|
|
* Get type of variable on left-hand-side
|
| 5667 |
|
|
*/
|
| 5668 |
|
|
save_ch = statement_buffer[variable_end];
|
| 5669 |
|
|
statement_buffer[variable_end] = JAMC_NULL_CHAR;
|
| 5670 |
|
|
status = jam_get_symbol_record(
|
| 5671 |
|
|
&statement_buffer[variable_begin], &symbol_record);
|
| 5672 |
|
|
statement_buffer[variable_end] = save_ch;
|
| 5673 |
|
|
|
| 5674 |
|
|
if (status == JAMC_SUCCESS)
|
| 5675 |
|
|
{
|
| 5676 |
|
|
switch (symbol_record->type)
|
| 5677 |
|
|
{
|
| 5678 |
|
|
case JAM_INTEGER_SYMBOL:
|
| 5679 |
|
|
assign_type = JAM_INTEGER_EXPR;
|
| 5680 |
|
|
break;
|
| 5681 |
|
|
|
| 5682 |
|
|
case JAM_BOOLEAN_SYMBOL:
|
| 5683 |
|
|
assign_type = JAM_BOOLEAN_EXPR;
|
| 5684 |
|
|
break;
|
| 5685 |
|
|
|
| 5686 |
|
|
default:
|
| 5687 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 5688 |
|
|
break;
|
| 5689 |
|
|
}
|
| 5690 |
|
|
}
|
| 5691 |
|
|
}
|
| 5692 |
|
|
|
| 5693 |
|
|
/*
|
| 5694 |
|
|
* Evaluate assignment expression
|
| 5695 |
|
|
*/
|
| 5696 |
|
|
if (status == JAMC_SUCCESS)
|
| 5697 |
|
|
{
|
| 5698 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 5699 |
|
|
|
| 5700 |
|
|
if (statement_buffer[index] == JAMC_EQUAL_CHAR)
|
| 5701 |
|
|
{
|
| 5702 |
|
|
/*
|
| 5703 |
|
|
* Evaluate assignment expression
|
| 5704 |
|
|
*/
|
| 5705 |
|
|
expr_begin = index + 1;
|
| 5706 |
|
|
while ((jam_isspace(statement_buffer[expr_begin])) &&
|
| 5707 |
|
|
(expr_begin < JAMC_MAX_STATEMENT_LENGTH))
|
| 5708 |
|
|
{
|
| 5709 |
|
|
++expr_begin; /* skip over white space */
|
| 5710 |
|
|
}
|
| 5711 |
|
|
while ((statement_buffer[index] != JAMC_NULL_CHAR) &&
|
| 5712 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 5713 |
|
|
{
|
| 5714 |
|
|
++index;
|
| 5715 |
|
|
}
|
| 5716 |
|
|
while ((statement_buffer[index] != JAMC_SEMICOLON_CHAR) &&
|
| 5717 |
|
|
(index > 0))
|
| 5718 |
|
|
{
|
| 5719 |
|
|
--index;
|
| 5720 |
|
|
}
|
| 5721 |
|
|
expr_end = index;
|
| 5722 |
|
|
|
| 5723 |
|
|
if (expr_end > expr_begin)
|
| 5724 |
|
|
{
|
| 5725 |
|
|
if (array_subrange)
|
| 5726 |
|
|
{
|
| 5727 |
|
|
symbol_record = NULL;
|
| 5728 |
|
|
save_ch = statement_buffer[expr_end];
|
| 5729 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 5730 |
|
|
status = jam_get_array_argument(
|
| 5731 |
|
|
&statement_buffer[expr_begin],
|
| 5732 |
|
|
&symbol_record,
|
| 5733 |
|
|
&literal_array_data,
|
| 5734 |
|
|
&source_subrange_begin,
|
| 5735 |
|
|
&source_subrange_end, 0);
|
| 5736 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 5737 |
|
|
|
| 5738 |
|
|
if (status == JAMC_SUCCESS)
|
| 5739 |
|
|
{
|
| 5740 |
|
|
if (symbol_record != NULL)
|
| 5741 |
|
|
{
|
| 5742 |
|
|
if ((symbol_record->type ==
|
| 5743 |
|
|
JAM_BOOLEAN_ARRAY_WRITABLE) ||
|
| 5744 |
|
|
(symbol_record->type ==
|
| 5745 |
|
|
JAM_BOOLEAN_ARRAY_INITIALIZED))
|
| 5746 |
|
|
{
|
| 5747 |
|
|
heap_record = (JAMS_HEAP_RECORD *)
|
| 5748 |
|
|
symbol_record->value;
|
| 5749 |
|
|
|
| 5750 |
|
|
/* check array bounds */
|
| 5751 |
|
|
if ((source_subrange_begin < 0L) ||
|
| 5752 |
|
|
(source_subrange_begin >=
|
| 5753 |
|
|
heap_record->dimension) ||
|
| 5754 |
|
|
(source_subrange_end < 0L) ||
|
| 5755 |
|
|
(source_subrange_end >=
|
| 5756 |
|
|
heap_record->dimension))
|
| 5757 |
|
|
{
|
| 5758 |
|
|
status = JAMC_BOUNDS_ERROR;
|
| 5759 |
|
|
}
|
| 5760 |
|
|
else
|
| 5761 |
|
|
{
|
| 5762 |
|
|
source_heap_data = heap_record->data;
|
| 5763 |
|
|
}
|
| 5764 |
|
|
}
|
| 5765 |
|
|
else
|
| 5766 |
|
|
{
|
| 5767 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 5768 |
|
|
}
|
| 5769 |
|
|
}
|
| 5770 |
|
|
else if (literal_array_data != NULL)
|
| 5771 |
|
|
{
|
| 5772 |
|
|
source_heap_data = literal_array_data;
|
| 5773 |
|
|
}
|
| 5774 |
|
|
else
|
| 5775 |
|
|
{
|
| 5776 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 5777 |
|
|
}
|
| 5778 |
|
|
}
|
| 5779 |
|
|
}
|
| 5780 |
|
|
else
|
| 5781 |
|
|
{
|
| 5782 |
|
|
save_ch = statement_buffer[expr_end];
|
| 5783 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 5784 |
|
|
status = jam_evaluate_expression(
|
| 5785 |
|
|
&statement_buffer[expr_begin],
|
| 5786 |
|
|
&assign_value, &expr_type);
|
| 5787 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 5788 |
|
|
}
|
| 5789 |
|
|
}
|
| 5790 |
|
|
}
|
| 5791 |
|
|
}
|
| 5792 |
|
|
|
| 5793 |
|
|
if (status == JAMC_SUCCESS)
|
| 5794 |
|
|
{
|
| 5795 |
|
|
/*
|
| 5796 |
|
|
* Check type of expression against type of variable
|
| 5797 |
|
|
* being assigned
|
| 5798 |
|
|
*/
|
| 5799 |
|
|
if (array_subrange)
|
| 5800 |
|
|
{
|
| 5801 |
|
|
/* copy array data */
|
| 5802 |
|
|
status = jam_copy_array_subrange(
|
| 5803 |
|
|
source_heap_data,
|
| 5804 |
|
|
source_subrange_begin,
|
| 5805 |
|
|
source_subrange_end,
|
| 5806 |
|
|
dest_heap_data,
|
| 5807 |
|
|
dest_subrange_begin,
|
| 5808 |
|
|
dest_subrange_end);
|
| 5809 |
|
|
}
|
| 5810 |
|
|
else if ((expr_type != JAM_ILLEGAL_EXPR_TYPE) &&
|
| 5811 |
|
|
(assign_type != JAM_ILLEGAL_EXPR_TYPE) &&
|
| 5812 |
|
|
((expr_type == assign_type) ||
|
| 5813 |
|
|
(expr_type == JAM_INT_OR_BOOL_EXPR)))
|
| 5814 |
|
|
{
|
| 5815 |
|
|
/*
|
| 5816 |
|
|
* Set the variable to the computed value
|
| 5817 |
|
|
*/
|
| 5818 |
|
|
if (is_array)
|
| 5819 |
|
|
{
|
| 5820 |
|
|
/* check array bounds */
|
| 5821 |
|
|
if ((dim_value >= 0) &&
|
| 5822 |
|
|
(dim_value < heap_record->dimension))
|
| 5823 |
|
|
{
|
| 5824 |
|
|
if (assign_type == JAM_INTEGER_EXPR)
|
| 5825 |
|
|
{
|
| 5826 |
|
|
dest_heap_data[dim_value] = assign_value;
|
| 5827 |
|
|
}
|
| 5828 |
|
|
else if (assign_type == JAM_BOOLEAN_EXPR)
|
| 5829 |
|
|
{
|
| 5830 |
|
|
if (assign_value == 0)
|
| 5831 |
|
|
{
|
| 5832 |
|
|
/* clear a single bit */
|
| 5833 |
|
|
dest_heap_data[dim_value >> 5] &=
|
| 5834 |
|
|
(~(unsigned long)(1L << (dim_value & 0x1f)));
|
| 5835 |
|
|
}
|
| 5836 |
|
|
else
|
| 5837 |
|
|
{
|
| 5838 |
|
|
/* set a single bit */
|
| 5839 |
|
|
dest_heap_data[dim_value >> 5] |=
|
| 5840 |
|
|
(1L << (dim_value & 0x1f));
|
| 5841 |
|
|
}
|
| 5842 |
|
|
}
|
| 5843 |
|
|
else
|
| 5844 |
|
|
{
|
| 5845 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 5846 |
|
|
}
|
| 5847 |
|
|
}
|
| 5848 |
|
|
else
|
| 5849 |
|
|
{
|
| 5850 |
|
|
status = JAMC_BOUNDS_ERROR;
|
| 5851 |
|
|
}
|
| 5852 |
|
|
}
|
| 5853 |
|
|
else
|
| 5854 |
|
|
{
|
| 5855 |
|
|
symbol_record->value = assign_value;
|
| 5856 |
|
|
}
|
| 5857 |
|
|
}
|
| 5858 |
|
|
else
|
| 5859 |
|
|
{
|
| 5860 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 5861 |
|
|
}
|
| 5862 |
|
|
}
|
| 5863 |
|
|
}
|
| 5864 |
|
|
|
| 5865 |
|
|
return (status);
|
| 5866 |
|
|
}
|
| 5867 |
|
|
|
| 5868 |
|
|
/****************************************************************************/
|
| 5869 |
|
|
/* */
|
| 5870 |
|
|
|
| 5871 |
|
|
JAM_RETURN_TYPE jam_process_next
|
| 5872 |
|
|
(
|
| 5873 |
|
|
char *statement_buffer
|
| 5874 |
|
|
)
|
| 5875 |
|
|
|
| 5876 |
|
|
/* */
|
| 5877 |
|
|
/* Description: Processes a NEXT statement. The NEXT statement is */
|
| 5878 |
|
|
/* used to mark the bottom of a FOR loop. When a NEXT */
|
| 5879 |
|
|
/* statement is processed, there must be a corresponding */
|
| 5880 |
|
|
/* FOR loop stack record on top of the stack. */
|
| 5881 |
|
|
/* */
|
| 5882 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 5883 |
|
|
/* */
|
| 5884 |
|
|
/****************************************************************************/
|
| 5885 |
|
|
{
|
| 5886 |
|
|
int index = 0;
|
| 5887 |
|
|
int variable_begin = 0;
|
| 5888 |
|
|
int variable_end = 0;
|
| 5889 |
|
|
char save_ch = 0;
|
| 5890 |
|
|
JAMS_SYMBOL_RECORD *symbol_record = NULL;
|
| 5891 |
|
|
JAMS_STACK_RECORD *stack_record = NULL;
|
| 5892 |
|
|
JAM_RETURN_TYPE status = JAMC_SYNTAX_ERROR;
|
| 5893 |
|
|
|
| 5894 |
|
|
if ((jam_version == 2) && (jam_phase != JAM_PROCEDURE_PHASE))
|
| 5895 |
|
|
{
|
| 5896 |
|
|
return (JAMC_PHASE_ERROR);
|
| 5897 |
|
|
}
|
| 5898 |
|
|
|
| 5899 |
|
|
index = jam_skip_instruction_name(statement_buffer);
|
| 5900 |
|
|
|
| 5901 |
|
|
if (jam_isalpha(statement_buffer[index]))
|
| 5902 |
|
|
{
|
| 5903 |
|
|
/* locate variable name */
|
| 5904 |
|
|
variable_begin = index;
|
| 5905 |
|
|
while ((jam_is_name_char(statement_buffer[index])) &&
|
| 5906 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 5907 |
|
|
{
|
| 5908 |
|
|
++index; /* skip over variable name */
|
| 5909 |
|
|
}
|
| 5910 |
|
|
variable_end = index;
|
| 5911 |
|
|
|
| 5912 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 5913 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 5914 |
|
|
{
|
| 5915 |
|
|
++index; /* skip over white space */
|
| 5916 |
|
|
}
|
| 5917 |
|
|
|
| 5918 |
|
|
if (statement_buffer[index] == JAMC_SEMICOLON_CHAR)
|
| 5919 |
|
|
{
|
| 5920 |
|
|
/*
|
| 5921 |
|
|
* Look in symbol table for iterator variable
|
| 5922 |
|
|
*/
|
| 5923 |
|
|
save_ch = statement_buffer[variable_end];
|
| 5924 |
|
|
statement_buffer[variable_end] = JAMC_NULL_CHAR;
|
| 5925 |
|
|
status = jam_get_symbol_record(
|
| 5926 |
|
|
&statement_buffer[variable_begin], &symbol_record);
|
| 5927 |
|
|
statement_buffer[variable_end] = save_ch;
|
| 5928 |
|
|
|
| 5929 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 5930 |
|
|
(symbol_record->type != JAM_INTEGER_SYMBOL))
|
| 5931 |
|
|
{
|
| 5932 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 5933 |
|
|
}
|
| 5934 |
|
|
}
|
| 5935 |
|
|
|
| 5936 |
|
|
if (status == JAMC_SUCCESS)
|
| 5937 |
|
|
{
|
| 5938 |
|
|
/*
|
| 5939 |
|
|
* Get stack record at top of stack
|
| 5940 |
|
|
*/
|
| 5941 |
|
|
stack_record = jam_peek_stack_record();
|
| 5942 |
|
|
|
| 5943 |
|
|
/*
|
| 5944 |
|
|
* Compare iterator to stack record
|
| 5945 |
|
|
*/
|
| 5946 |
|
|
if ((stack_record == NULL) ||
|
| 5947 |
|
|
(stack_record->type != JAM_STACK_FOR_NEXT) ||
|
| 5948 |
|
|
(stack_record->iterator != symbol_record))
|
| 5949 |
|
|
{
|
| 5950 |
|
|
status = JAMC_NEXT_UNEXPECTED;
|
| 5951 |
|
|
}
|
| 5952 |
|
|
else
|
| 5953 |
|
|
{
|
| 5954 |
|
|
/*
|
| 5955 |
|
|
* Check if loop has run to completion
|
| 5956 |
|
|
*/
|
| 5957 |
|
|
if (((stack_record->step_value > 0) &&
|
| 5958 |
|
|
(symbol_record->value >= stack_record->stop_value)) ||
|
| 5959 |
|
|
((stack_record->step_value < 0) &&
|
| 5960 |
|
|
(symbol_record->value <= stack_record->stop_value)))
|
| 5961 |
|
|
{
|
| 5962 |
|
|
/*
|
| 5963 |
|
|
* Loop has run to completion -- pop the stack record.
|
| 5964 |
|
|
* (Do not jump back to FOR statement position.)
|
| 5965 |
|
|
*/
|
| 5966 |
|
|
status = jam_pop_stack_record();
|
| 5967 |
|
|
}
|
| 5968 |
|
|
else
|
| 5969 |
|
|
{
|
| 5970 |
|
|
/*
|
| 5971 |
|
|
* Increment (or step) the iterator variable
|
| 5972 |
|
|
*/
|
| 5973 |
|
|
symbol_record->value += stack_record->step_value;
|
| 5974 |
|
|
|
| 5975 |
|
|
/*
|
| 5976 |
|
|
* Jump back to the top of the loop
|
| 5977 |
|
|
*/
|
| 5978 |
|
|
if (jam_seek(stack_record->for_position) == 0)
|
| 5979 |
|
|
{
|
| 5980 |
|
|
jam_current_file_position =
|
| 5981 |
|
|
stack_record->for_position;
|
| 5982 |
|
|
status = JAMC_SUCCESS;
|
| 5983 |
|
|
}
|
| 5984 |
|
|
else
|
| 5985 |
|
|
{
|
| 5986 |
|
|
status = JAMC_IO_ERROR;
|
| 5987 |
|
|
}
|
| 5988 |
|
|
}
|
| 5989 |
|
|
}
|
| 5990 |
|
|
}
|
| 5991 |
|
|
}
|
| 5992 |
|
|
|
| 5993 |
|
|
return (status);
|
| 5994 |
|
|
}
|
| 5995 |
|
|
|
| 5996 |
|
|
/****************************************************************************/
|
| 5997 |
|
|
/* */
|
| 5998 |
|
|
|
| 5999 |
|
|
JAM_RETURN_TYPE jam_process_padding
|
| 6000 |
|
|
(
|
| 6001 |
|
|
char *statement_buffer
|
| 6002 |
|
|
)
|
| 6003 |
|
|
|
| 6004 |
|
|
/* */
|
| 6005 |
|
|
/* Description: Processes a PADDING statement. This sets the number */
|
| 6006 |
|
|
/* of padding bits to be used before and after the data */
|
| 6007 |
|
|
/* indicated for each DRSCAN and IRSCAN operation. */
|
| 6008 |
|
|
/* */
|
| 6009 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 6010 |
|
|
/* */
|
| 6011 |
|
|
/****************************************************************************/
|
| 6012 |
|
|
{
|
| 6013 |
|
|
int index = 0;
|
| 6014 |
|
|
int argc = 0;
|
| 6015 |
|
|
int expr_begin = 0;
|
| 6016 |
|
|
int expr_end = 0;
|
| 6017 |
|
|
int delimiter = 0;
|
| 6018 |
|
|
char save_ch = 0;
|
| 6019 |
|
|
long padding[4] = {0};
|
| 6020 |
|
|
JAME_EXPRESSION_TYPE expr_type = JAM_ILLEGAL_EXPR_TYPE;
|
| 6021 |
|
|
JAM_RETURN_TYPE status = JAMC_SUCCESS;
|
| 6022 |
|
|
|
| 6023 |
|
|
if (jam_version == 0) jam_version = 1;
|
| 6024 |
|
|
|
| 6025 |
|
|
if (jam_version == 2)
|
| 6026 |
|
|
{
|
| 6027 |
|
|
/* The PADDING statement is not supported in Jam 2.0 */
|
| 6028 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 6029 |
|
|
}
|
| 6030 |
|
|
|
| 6031 |
|
|
index = jam_skip_instruction_name(statement_buffer);
|
| 6032 |
|
|
|
| 6033 |
|
|
for (argc = 0; (argc < 4) && (status == JAMC_SUCCESS); ++argc)
|
| 6034 |
|
|
{
|
| 6035 |
|
|
status = jam_find_argument(&statement_buffer[index],
|
| 6036 |
|
|
&expr_begin, &expr_end, &delimiter);
|
| 6037 |
|
|
|
| 6038 |
|
|
if (status == JAMC_SUCCESS)
|
| 6039 |
|
|
{
|
| 6040 |
|
|
padding[argc] = -1L;
|
| 6041 |
|
|
|
| 6042 |
|
|
expr_begin += index;
|
| 6043 |
|
|
expr_end += index;
|
| 6044 |
|
|
delimiter += index;
|
| 6045 |
|
|
|
| 6046 |
|
|
if (((argc < 3) &&
|
| 6047 |
|
|
(statement_buffer[delimiter] == JAMC_COMMA_CHAR)) ||
|
| 6048 |
|
|
((argc == 3) &&
|
| 6049 |
|
|
(statement_buffer[delimiter] == JAMC_SEMICOLON_CHAR)))
|
| 6050 |
|
|
{
|
| 6051 |
|
|
save_ch = statement_buffer[expr_end];
|
| 6052 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 6053 |
|
|
status = jam_evaluate_expression(
|
| 6054 |
|
|
&statement_buffer[expr_begin], &padding[argc], &expr_type);
|
| 6055 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 6056 |
|
|
|
| 6057 |
|
|
/*
|
| 6058 |
|
|
* Check for integer expression
|
| 6059 |
|
|
*/
|
| 6060 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 6061 |
|
|
(expr_type != JAM_INTEGER_EXPR) &&
|
| 6062 |
|
|
(expr_type != JAM_INT_OR_BOOL_EXPR))
|
| 6063 |
|
|
{
|
| 6064 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 6065 |
|
|
}
|
| 6066 |
|
|
|
| 6067 |
|
|
/*
|
| 6068 |
|
|
* Check the range -- padding value must be between 0 and 1000
|
| 6069 |
|
|
*/
|
| 6070 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 6071 |
|
|
((padding[argc] < 0L) || (padding[argc] > 1000L)))
|
| 6072 |
|
|
{
|
| 6073 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 6074 |
|
|
}
|
| 6075 |
|
|
else
|
| 6076 |
|
|
{
|
| 6077 |
|
|
index = expr_end + 1;
|
| 6078 |
|
|
}
|
| 6079 |
|
|
}
|
| 6080 |
|
|
else
|
| 6081 |
|
|
{
|
| 6082 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 6083 |
|
|
}
|
| 6084 |
|
|
}
|
| 6085 |
|
|
}
|
| 6086 |
|
|
|
| 6087 |
|
|
/*
|
| 6088 |
|
|
* Store the new padding values
|
| 6089 |
|
|
*/
|
| 6090 |
|
|
if (status == JAMC_SUCCESS)
|
| 6091 |
|
|
{
|
| 6092 |
|
|
status = jam_set_dr_preamble((int) padding[0], 0, NULL);
|
| 6093 |
|
|
|
| 6094 |
|
|
if (status == JAMC_SUCCESS)
|
| 6095 |
|
|
{
|
| 6096 |
|
|
status = jam_set_dr_postamble((int) padding[1], 0, NULL);
|
| 6097 |
|
|
}
|
| 6098 |
|
|
|
| 6099 |
|
|
if (status == JAMC_SUCCESS)
|
| 6100 |
|
|
{
|
| 6101 |
|
|
status = jam_set_ir_preamble((int) padding[2], 0, NULL);
|
| 6102 |
|
|
}
|
| 6103 |
|
|
|
| 6104 |
|
|
if (status == JAMC_SUCCESS)
|
| 6105 |
|
|
{
|
| 6106 |
|
|
status = jam_set_ir_postamble((int) padding[3], 0, NULL);
|
| 6107 |
|
|
}
|
| 6108 |
|
|
}
|
| 6109 |
|
|
|
| 6110 |
|
|
return (status);
|
| 6111 |
|
|
}
|
| 6112 |
|
|
|
| 6113 |
|
|
/****************************************************************************/
|
| 6114 |
|
|
/* */
|
| 6115 |
|
|
|
| 6116 |
|
|
JAM_RETURN_TYPE jam_process_pop
|
| 6117 |
|
|
(
|
| 6118 |
|
|
char *statement_buffer
|
| 6119 |
|
|
)
|
| 6120 |
|
|
|
| 6121 |
|
|
/* */
|
| 6122 |
|
|
/* Description: Pops a data element (integer or Boolean) from the */
|
| 6123 |
|
|
/* internal stack. The data value is stored in the */
|
| 6124 |
|
|
/* variable specified. If the type of data is not */
|
| 6125 |
|
|
/* compatible with the variable type, a type mismatch */
|
| 6126 |
|
|
/* error results. */
|
| 6127 |
|
|
/* */
|
| 6128 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 6129 |
|
|
/* */
|
| 6130 |
|
|
/****************************************************************************/
|
| 6131 |
|
|
{
|
| 6132 |
|
|
int index = 0;
|
| 6133 |
|
|
long push_value = 0L;
|
| 6134 |
|
|
long dim_value = 0L;
|
| 6135 |
|
|
int variable_begin = 0;
|
| 6136 |
|
|
int variable_end = 0;
|
| 6137 |
|
|
int dim_begin = 0;
|
| 6138 |
|
|
int dim_end = 0;
|
| 6139 |
|
|
int bracket_count = 0;
|
| 6140 |
|
|
char save_ch = 0;
|
| 6141 |
|
|
BOOL is_array = FALSE;
|
| 6142 |
|
|
long *heap_data = NULL;
|
| 6143 |
|
|
JAMS_SYMBOL_RECORD *symbol_record = NULL;
|
| 6144 |
|
|
JAMS_STACK_RECORD *stack_record = NULL;
|
| 6145 |
|
|
JAMS_HEAP_RECORD *heap_record = NULL;
|
| 6146 |
|
|
JAME_EXPRESSION_TYPE assign_type = JAM_ILLEGAL_EXPR_TYPE;
|
| 6147 |
|
|
JAME_EXPRESSION_TYPE value_type = JAM_ILLEGAL_EXPR_TYPE;
|
| 6148 |
|
|
JAME_EXPRESSION_TYPE expr_type = JAM_ILLEGAL_EXPR_TYPE;
|
| 6149 |
|
|
JAM_RETURN_TYPE status = JAMC_SYNTAX_ERROR;
|
| 6150 |
|
|
|
| 6151 |
|
|
if ((jam_version == 2) && (jam_phase != JAM_PROCEDURE_PHASE))
|
| 6152 |
|
|
{
|
| 6153 |
|
|
return (JAMC_PHASE_ERROR);
|
| 6154 |
|
|
}
|
| 6155 |
|
|
|
| 6156 |
|
|
index = jam_skip_instruction_name(statement_buffer);
|
| 6157 |
|
|
|
| 6158 |
|
|
/*
|
| 6159 |
|
|
* Get the variable name
|
| 6160 |
|
|
*/
|
| 6161 |
|
|
if (jam_isalpha(statement_buffer[index]))
|
| 6162 |
|
|
{
|
| 6163 |
|
|
variable_begin = index;
|
| 6164 |
|
|
while ((jam_is_name_char(statement_buffer[index])) &&
|
| 6165 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 6166 |
|
|
{
|
| 6167 |
|
|
++index; /* skip over variable name */
|
| 6168 |
|
|
}
|
| 6169 |
|
|
variable_end = index;
|
| 6170 |
|
|
|
| 6171 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 6172 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 6173 |
|
|
{
|
| 6174 |
|
|
++index; /* skip over white space */
|
| 6175 |
|
|
}
|
| 6176 |
|
|
|
| 6177 |
|
|
if (statement_buffer[index] == JAMC_LBRACKET_CHAR)
|
| 6178 |
|
|
{
|
| 6179 |
|
|
/*
|
| 6180 |
|
|
* Pop value into array element
|
| 6181 |
|
|
*/
|
| 6182 |
|
|
++index;
|
| 6183 |
|
|
is_array = TRUE;
|
| 6184 |
|
|
dim_begin = index;
|
| 6185 |
|
|
while (((statement_buffer[index] != JAMC_RBRACKET_CHAR) ||
|
| 6186 |
|
|
(bracket_count > 0)) &&
|
| 6187 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 6188 |
|
|
{
|
| 6189 |
|
|
if (statement_buffer[index] == JAMC_LBRACKET_CHAR)
|
| 6190 |
|
|
{
|
| 6191 |
|
|
++bracket_count;
|
| 6192 |
|
|
}
|
| 6193 |
|
|
else if (statement_buffer[index] == JAMC_RBRACKET_CHAR)
|
| 6194 |
|
|
{
|
| 6195 |
|
|
--bracket_count;
|
| 6196 |
|
|
}
|
| 6197 |
|
|
|
| 6198 |
|
|
++index; /* find matching bracket */
|
| 6199 |
|
|
}
|
| 6200 |
|
|
if (statement_buffer[index] == JAMC_RBRACKET_CHAR)
|
| 6201 |
|
|
{
|
| 6202 |
|
|
dim_end = index;
|
| 6203 |
|
|
++index;
|
| 6204 |
|
|
}
|
| 6205 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 6206 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 6207 |
|
|
{
|
| 6208 |
|
|
++index; /* skip over white space */
|
| 6209 |
|
|
}
|
| 6210 |
|
|
|
| 6211 |
|
|
if (dim_end > dim_begin)
|
| 6212 |
|
|
{
|
| 6213 |
|
|
save_ch = statement_buffer[dim_end];
|
| 6214 |
|
|
statement_buffer[dim_end] = JAMC_NULL_CHAR;
|
| 6215 |
|
|
status = jam_evaluate_expression(
|
| 6216 |
|
|
&statement_buffer[dim_begin], &dim_value, &expr_type);
|
| 6217 |
|
|
statement_buffer[dim_end] = save_ch;
|
| 6218 |
|
|
}
|
| 6219 |
|
|
|
| 6220 |
|
|
/*
|
| 6221 |
|
|
* Check for integer expression
|
| 6222 |
|
|
*/
|
| 6223 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 6224 |
|
|
(expr_type != JAM_INTEGER_EXPR) &&
|
| 6225 |
|
|
(expr_type != JAM_INT_OR_BOOL_EXPR))
|
| 6226 |
|
|
{
|
| 6227 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 6228 |
|
|
}
|
| 6229 |
|
|
|
| 6230 |
|
|
if (status == JAMC_SUCCESS)
|
| 6231 |
|
|
{
|
| 6232 |
|
|
/* get pointer to symbol record */
|
| 6233 |
|
|
save_ch = statement_buffer[variable_end];
|
| 6234 |
|
|
statement_buffer[variable_end] = JAMC_NULL_CHAR;
|
| 6235 |
|
|
status = jam_get_symbol_record(
|
| 6236 |
|
|
&statement_buffer[variable_begin], &symbol_record);
|
| 6237 |
|
|
statement_buffer[variable_end] = save_ch;
|
| 6238 |
|
|
|
| 6239 |
|
|
/* check array type */
|
| 6240 |
|
|
if (status == JAMC_SUCCESS)
|
| 6241 |
|
|
{
|
| 6242 |
|
|
switch (symbol_record->type)
|
| 6243 |
|
|
{
|
| 6244 |
|
|
case JAM_INTEGER_ARRAY_WRITABLE:
|
| 6245 |
|
|
assign_type = JAM_INTEGER_EXPR;
|
| 6246 |
|
|
break;
|
| 6247 |
|
|
|
| 6248 |
|
|
case JAM_BOOLEAN_ARRAY_WRITABLE:
|
| 6249 |
|
|
assign_type = JAM_BOOLEAN_EXPR;
|
| 6250 |
|
|
break;
|
| 6251 |
|
|
|
| 6252 |
|
|
case JAM_INTEGER_ARRAY_INITIALIZED:
|
| 6253 |
|
|
case JAM_BOOLEAN_ARRAY_INITIALIZED:
|
| 6254 |
|
|
status = JAMC_ASSIGN_TO_CONST;
|
| 6255 |
|
|
break;
|
| 6256 |
|
|
|
| 6257 |
|
|
default:
|
| 6258 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 6259 |
|
|
break;
|
| 6260 |
|
|
}
|
| 6261 |
|
|
}
|
| 6262 |
|
|
|
| 6263 |
|
|
/* get pointer to heap record */
|
| 6264 |
|
|
if (status == JAMC_SUCCESS)
|
| 6265 |
|
|
{
|
| 6266 |
|
|
heap_record = (JAMS_HEAP_RECORD *) symbol_record->value;
|
| 6267 |
|
|
|
| 6268 |
|
|
if (heap_record == NULL)
|
| 6269 |
|
|
{
|
| 6270 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 6271 |
|
|
}
|
| 6272 |
|
|
else
|
| 6273 |
|
|
{
|
| 6274 |
|
|
heap_data = &heap_record->data[0];
|
| 6275 |
|
|
}
|
| 6276 |
|
|
}
|
| 6277 |
|
|
}
|
| 6278 |
|
|
}
|
| 6279 |
|
|
else
|
| 6280 |
|
|
{
|
| 6281 |
|
|
/*
|
| 6282 |
|
|
* Poping value into scalar (not array) variable
|
| 6283 |
|
|
*/
|
| 6284 |
|
|
if (statement_buffer[index] == JAMC_SEMICOLON_CHAR)
|
| 6285 |
|
|
{
|
| 6286 |
|
|
/*
|
| 6287 |
|
|
* Get variable type
|
| 6288 |
|
|
*/
|
| 6289 |
|
|
save_ch = statement_buffer[variable_end];
|
| 6290 |
|
|
statement_buffer[variable_end] = JAMC_NULL_CHAR;
|
| 6291 |
|
|
status = jam_get_symbol_record(
|
| 6292 |
|
|
&statement_buffer[variable_begin], &symbol_record);
|
| 6293 |
|
|
statement_buffer[variable_end] = save_ch;
|
| 6294 |
|
|
|
| 6295 |
|
|
if (status == JAMC_SUCCESS)
|
| 6296 |
|
|
{
|
| 6297 |
|
|
switch (symbol_record->type)
|
| 6298 |
|
|
{
|
| 6299 |
|
|
case JAM_INTEGER_SYMBOL:
|
| 6300 |
|
|
assign_type = JAM_INTEGER_EXPR;
|
| 6301 |
|
|
break;
|
| 6302 |
|
|
|
| 6303 |
|
|
case JAM_BOOLEAN_SYMBOL:
|
| 6304 |
|
|
assign_type = JAM_BOOLEAN_EXPR;
|
| 6305 |
|
|
break;
|
| 6306 |
|
|
|
| 6307 |
|
|
default:
|
| 6308 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 6309 |
|
|
break;
|
| 6310 |
|
|
}
|
| 6311 |
|
|
}
|
| 6312 |
|
|
}
|
| 6313 |
|
|
else
|
| 6314 |
|
|
{
|
| 6315 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 6316 |
|
|
}
|
| 6317 |
|
|
}
|
| 6318 |
|
|
|
| 6319 |
|
|
/*
|
| 6320 |
|
|
* Get stack record at top of stack
|
| 6321 |
|
|
*/
|
| 6322 |
|
|
stack_record = jam_peek_stack_record();
|
| 6323 |
|
|
|
| 6324 |
|
|
/*
|
| 6325 |
|
|
* Check that stack record corresponds to a PUSH statement
|
| 6326 |
|
|
*/
|
| 6327 |
|
|
if ((stack_record != NULL) &&
|
| 6328 |
|
|
(stack_record->type == JAM_STACK_PUSH_POP))
|
| 6329 |
|
|
{
|
| 6330 |
|
|
/*
|
| 6331 |
|
|
* Stack record is the correct type -- pop it off the stack.
|
| 6332 |
|
|
*/
|
| 6333 |
|
|
push_value = stack_record->push_value;
|
| 6334 |
|
|
status = jam_pop_stack_record();
|
| 6335 |
|
|
|
| 6336 |
|
|
/*
|
| 6337 |
|
|
* Now set the variable to the push value
|
| 6338 |
|
|
*/
|
| 6339 |
|
|
if (status == JAMC_SUCCESS)
|
| 6340 |
|
|
{
|
| 6341 |
|
|
/*
|
| 6342 |
|
|
* Check type of expression against type of variable
|
| 6343 |
|
|
* being assigned
|
| 6344 |
|
|
*/
|
| 6345 |
|
|
if ((push_value == 0) || (push_value == 1))
|
| 6346 |
|
|
{
|
| 6347 |
|
|
value_type = JAM_INT_OR_BOOL_EXPR;
|
| 6348 |
|
|
}
|
| 6349 |
|
|
else value_type = JAM_INTEGER_EXPR;
|
| 6350 |
|
|
|
| 6351 |
|
|
if ((assign_type != JAM_ILLEGAL_EXPR_TYPE) &&
|
| 6352 |
|
|
((value_type == assign_type) ||
|
| 6353 |
|
|
(value_type == JAM_INT_OR_BOOL_EXPR)))
|
| 6354 |
|
|
{
|
| 6355 |
|
|
/*
|
| 6356 |
|
|
* Set the variable to the computed value
|
| 6357 |
|
|
*/
|
| 6358 |
|
|
if (is_array)
|
| 6359 |
|
|
{
|
| 6360 |
|
|
if (assign_type == JAM_INTEGER_EXPR)
|
| 6361 |
|
|
{
|
| 6362 |
|
|
heap_data[dim_value] = push_value;
|
| 6363 |
|
|
}
|
| 6364 |
|
|
else if (assign_type == JAM_BOOLEAN_EXPR)
|
| 6365 |
|
|
{
|
| 6366 |
|
|
if (push_value == 0)
|
| 6367 |
|
|
{
|
| 6368 |
|
|
/* clear a single bit */
|
| 6369 |
|
|
heap_data[dim_value >> 5] &=
|
| 6370 |
|
|
(~(unsigned long)(1L << (dim_value & 0x1f)));
|
| 6371 |
|
|
}
|
| 6372 |
|
|
else
|
| 6373 |
|
|
{
|
| 6374 |
|
|
/* set a single bit */
|
| 6375 |
|
|
heap_data[dim_value >> 5] |=
|
| 6376 |
|
|
(1L << (dim_value & 0x1f));
|
| 6377 |
|
|
}
|
| 6378 |
|
|
}
|
| 6379 |
|
|
else status = JAMC_INTERNAL_ERROR;
|
| 6380 |
|
|
}
|
| 6381 |
|
|
else
|
| 6382 |
|
|
{
|
| 6383 |
|
|
symbol_record->value = push_value;
|
| 6384 |
|
|
}
|
| 6385 |
|
|
}
|
| 6386 |
|
|
else
|
| 6387 |
|
|
{
|
| 6388 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 6389 |
|
|
}
|
| 6390 |
|
|
}
|
| 6391 |
|
|
}
|
| 6392 |
|
|
else
|
| 6393 |
|
|
{
|
| 6394 |
|
|
/*
|
| 6395 |
|
|
* Top of stack did not have a PUSH/POP record
|
| 6396 |
|
|
*/
|
| 6397 |
|
|
status = JAMC_POP_UNEXPECTED;
|
| 6398 |
|
|
}
|
| 6399 |
|
|
}
|
| 6400 |
|
|
|
| 6401 |
|
|
return (status);
|
| 6402 |
|
|
}
|
| 6403 |
|
|
|
| 6404 |
|
|
/****************************************************************************/
|
| 6405 |
|
|
/* */
|
| 6406 |
|
|
|
| 6407 |
|
|
JAM_RETURN_TYPE jam_process_pre_post
|
| 6408 |
|
|
(
|
| 6409 |
|
|
JAME_INSTRUCTION instruction_code,
|
| 6410 |
|
|
char *statement_buffer
|
| 6411 |
|
|
)
|
| 6412 |
|
|
|
| 6413 |
|
|
/* */
|
| 6414 |
|
|
/* Description: Processes the PREDR, PREIR, POSTDR, and POSTIR */
|
| 6415 |
|
|
/* statements. These statements together replace the */
|
| 6416 |
|
|
/* PADDING statement from the JAM 1.0 language spec. */
|
| 6417 |
|
|
/* */
|
| 6418 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 6419 |
|
|
/* */
|
| 6420 |
|
|
/****************************************************************************/
|
| 6421 |
|
|
{
|
| 6422 |
|
|
int index = 0;
|
| 6423 |
|
|
int expr_begin = 0;
|
| 6424 |
|
|
int expr_end = 0;
|
| 6425 |
|
|
int delimiter = 0;
|
| 6426 |
|
|
char save_ch = 0;
|
| 6427 |
|
|
long count = 0L;
|
| 6428 |
|
|
long start_index = 0L;
|
| 6429 |
|
|
long stop_index = 0L;
|
| 6430 |
|
|
long *literal_array_data = NULL;
|
| 6431 |
|
|
long *padding_data = NULL;
|
| 6432 |
|
|
JAMS_SYMBOL_RECORD *symbol_record = NULL;
|
| 6433 |
|
|
JAMS_HEAP_RECORD *heap_record = NULL;
|
| 6434 |
|
|
JAME_EXPRESSION_TYPE expr_type = JAM_ILLEGAL_EXPR_TYPE;
|
| 6435 |
|
|
JAM_RETURN_TYPE status = JAMC_SUCCESS;
|
| 6436 |
|
|
|
| 6437 |
|
|
if ((jam_version == 2) && (jam_phase != JAM_PROCEDURE_PHASE))
|
| 6438 |
|
|
{
|
| 6439 |
|
|
return (JAMC_PHASE_ERROR);
|
| 6440 |
|
|
}
|
| 6441 |
|
|
|
| 6442 |
|
|
index = jam_skip_instruction_name(statement_buffer);
|
| 6443 |
|
|
|
| 6444 |
|
|
/*
|
| 6445 |
|
|
* First, get the count value
|
| 6446 |
|
|
*/
|
| 6447 |
|
|
status = jam_find_argument(&statement_buffer[index],
|
| 6448 |
|
|
&expr_begin, &expr_end, &delimiter);
|
| 6449 |
|
|
|
| 6450 |
|
|
expr_begin += index;
|
| 6451 |
|
|
expr_end += index;
|
| 6452 |
|
|
delimiter += index;
|
| 6453 |
|
|
|
| 6454 |
|
|
if (status == JAMC_SUCCESS)
|
| 6455 |
|
|
{
|
| 6456 |
|
|
save_ch = statement_buffer[expr_end];
|
| 6457 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 6458 |
|
|
status = jam_evaluate_expression(
|
| 6459 |
|
|
&statement_buffer[expr_begin], &count, &expr_type);
|
| 6460 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 6461 |
|
|
|
| 6462 |
|
|
/*
|
| 6463 |
|
|
* Check for integer expression
|
| 6464 |
|
|
*/
|
| 6465 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 6466 |
|
|
(expr_type != JAM_INTEGER_EXPR) &&
|
| 6467 |
|
|
(expr_type != JAM_INT_OR_BOOL_EXPR))
|
| 6468 |
|
|
{
|
| 6469 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 6470 |
|
|
}
|
| 6471 |
|
|
|
| 6472 |
|
|
/*
|
| 6473 |
|
|
* Check the range -- count value must be between 0 and 1000
|
| 6474 |
|
|
*/
|
| 6475 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 6476 |
|
|
((count < 0L) || (count > 1000L)))
|
| 6477 |
|
|
{
|
| 6478 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 6479 |
|
|
}
|
| 6480 |
|
|
}
|
| 6481 |
|
|
|
| 6482 |
|
|
/*
|
| 6483 |
|
|
* Second, get the optional padding data pattern (Boolean array)
|
| 6484 |
|
|
*/
|
| 6485 |
|
|
if (status == JAMC_SUCCESS)
|
| 6486 |
|
|
{
|
| 6487 |
|
|
if (statement_buffer[delimiter] == JAMC_COMMA_CHAR)
|
| 6488 |
|
|
{
|
| 6489 |
|
|
expr_begin = delimiter + 1;
|
| 6490 |
|
|
expr_end = expr_begin;
|
| 6491 |
|
|
while ((jam_isspace(statement_buffer[expr_begin])) &&
|
| 6492 |
|
|
(expr_begin < JAMC_MAX_STATEMENT_LENGTH))
|
| 6493 |
|
|
{
|
| 6494 |
|
|
++expr_begin; /* skip over white space */
|
| 6495 |
|
|
}
|
| 6496 |
|
|
while ((statement_buffer[expr_end] != JAMC_NULL_CHAR) &&
|
| 6497 |
|
|
(expr_end < JAMC_MAX_STATEMENT_LENGTH))
|
| 6498 |
|
|
{
|
| 6499 |
|
|
++expr_end;
|
| 6500 |
|
|
}
|
| 6501 |
|
|
while ((statement_buffer[expr_end] != JAMC_SEMICOLON_CHAR) &&
|
| 6502 |
|
|
(expr_end > 0))
|
| 6503 |
|
|
{
|
| 6504 |
|
|
--expr_end;
|
| 6505 |
|
|
}
|
| 6506 |
|
|
|
| 6507 |
|
|
if (expr_end > expr_begin)
|
| 6508 |
|
|
{
|
| 6509 |
|
|
save_ch = statement_buffer[expr_end];
|
| 6510 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 6511 |
|
|
status = jam_get_array_argument(
|
| 6512 |
|
|
&statement_buffer[expr_begin],
|
| 6513 |
|
|
&symbol_record,
|
| 6514 |
|
|
&literal_array_data,
|
| 6515 |
|
|
&start_index,
|
| 6516 |
|
|
&stop_index,
|
| 6517 |
|
|
0);
|
| 6518 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 6519 |
|
|
|
| 6520 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 6521 |
|
|
(stop_index < (start_index + count - 1)))
|
| 6522 |
|
|
{
|
| 6523 |
|
|
status = JAMC_BOUNDS_ERROR;
|
| 6524 |
|
|
}
|
| 6525 |
|
|
|
| 6526 |
|
|
if (status == JAMC_SUCCESS)
|
| 6527 |
|
|
{
|
| 6528 |
|
|
if (symbol_record != NULL)
|
| 6529 |
|
|
{
|
| 6530 |
|
|
heap_record = (JAMS_HEAP_RECORD *)symbol_record->value;
|
| 6531 |
|
|
|
| 6532 |
|
|
if (heap_record != NULL)
|
| 6533 |
|
|
{
|
| 6534 |
|
|
padding_data = heap_record->data;
|
| 6535 |
|
|
}
|
| 6536 |
|
|
else
|
| 6537 |
|
|
{
|
| 6538 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 6539 |
|
|
}
|
| 6540 |
|
|
}
|
| 6541 |
|
|
else if (literal_array_data != NULL)
|
| 6542 |
|
|
{
|
| 6543 |
|
|
padding_data = literal_array_data;
|
| 6544 |
|
|
}
|
| 6545 |
|
|
else
|
| 6546 |
|
|
{
|
| 6547 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 6548 |
|
|
}
|
| 6549 |
|
|
}
|
| 6550 |
|
|
}
|
| 6551 |
|
|
else
|
| 6552 |
|
|
{
|
| 6553 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 6554 |
|
|
}
|
| 6555 |
|
|
}
|
| 6556 |
|
|
else if (statement_buffer[delimiter] != JAMC_SEMICOLON_CHAR)
|
| 6557 |
|
|
{
|
| 6558 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 6559 |
|
|
}
|
| 6560 |
|
|
}
|
| 6561 |
|
|
|
| 6562 |
|
|
/*
|
| 6563 |
|
|
* Store the new padding value
|
| 6564 |
|
|
*/
|
| 6565 |
|
|
if (status == JAMC_SUCCESS)
|
| 6566 |
|
|
{
|
| 6567 |
|
|
switch (instruction_code)
|
| 6568 |
|
|
{
|
| 6569 |
|
|
case JAM_POSTDR_INSTR:
|
| 6570 |
|
|
status = jam_set_dr_postamble((int) count, (int) start_index,
|
| 6571 |
|
|
padding_data);
|
| 6572 |
|
|
break;
|
| 6573 |
|
|
|
| 6574 |
|
|
case JAM_POSTIR_INSTR:
|
| 6575 |
|
|
status = jam_set_ir_postamble((int) count, (int) start_index,
|
| 6576 |
|
|
padding_data);
|
| 6577 |
|
|
break;
|
| 6578 |
|
|
|
| 6579 |
|
|
case JAM_PREDR_INSTR:
|
| 6580 |
|
|
status = jam_set_dr_preamble((int) count, (int) start_index,
|
| 6581 |
|
|
padding_data);
|
| 6582 |
|
|
break;
|
| 6583 |
|
|
|
| 6584 |
|
|
case JAM_PREIR_INSTR:
|
| 6585 |
|
|
status = jam_set_ir_preamble((int) count, (int) start_index,
|
| 6586 |
|
|
padding_data);
|
| 6587 |
|
|
break;
|
| 6588 |
|
|
|
| 6589 |
|
|
default:
|
| 6590 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 6591 |
|
|
break;
|
| 6592 |
|
|
}
|
| 6593 |
|
|
}
|
| 6594 |
|
|
|
| 6595 |
|
|
return (status);
|
| 6596 |
|
|
}
|
| 6597 |
|
|
|
| 6598 |
|
|
/****************************************************************************/
|
| 6599 |
|
|
/* */
|
| 6600 |
|
|
|
| 6601 |
|
|
JAM_RETURN_TYPE jam_process_print
|
| 6602 |
|
|
(
|
| 6603 |
|
|
char *statement_buffer
|
| 6604 |
|
|
)
|
| 6605 |
|
|
|
| 6606 |
|
|
/* */
|
| 6607 |
|
|
/* Description: Processes a PRINT statement. Only constant literal */
|
| 6608 |
|
|
/* strings and INTEGER or BOOLEAN expressions are */
|
| 6609 |
|
|
/* supported. */
|
| 6610 |
|
|
/* */
|
| 6611 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 6612 |
|
|
/* */
|
| 6613 |
|
|
/****************************************************************************/
|
| 6614 |
|
|
{
|
| 6615 |
|
|
int index = 0;
|
| 6616 |
|
|
int dest_index = 0;
|
| 6617 |
|
|
char *text_buffer = NULL;
|
| 6618 |
|
|
int expr_begin = 0;
|
| 6619 |
|
|
int expr_end = 0;
|
| 6620 |
|
|
char save_ch = 0;
|
| 6621 |
|
|
long expr_value = 0L;
|
| 6622 |
|
|
JAM_RETURN_TYPE status = JAMC_SUCCESS;
|
| 6623 |
|
|
|
| 6624 |
|
|
if ((jam_version == 2) && (jam_phase != JAM_PROCEDURE_PHASE))
|
| 6625 |
|
|
{
|
| 6626 |
|
|
return (JAMC_PHASE_ERROR);
|
| 6627 |
|
|
}
|
| 6628 |
|
|
|
| 6629 |
|
|
text_buffer = jam_malloc(JAMC_MAX_STATEMENT_LENGTH + 1024);
|
| 6630 |
|
|
|
| 6631 |
|
|
if (text_buffer == NULL)
|
| 6632 |
|
|
{
|
| 6633 |
|
|
status = JAMC_OUT_OF_MEMORY;
|
| 6634 |
|
|
}
|
| 6635 |
|
|
else
|
| 6636 |
|
|
{
|
| 6637 |
|
|
index = jam_skip_instruction_name(statement_buffer);
|
| 6638 |
|
|
}
|
| 6639 |
|
|
|
| 6640 |
|
|
while ((status == JAMC_SUCCESS) &&
|
| 6641 |
|
|
(statement_buffer[index] != JAMC_SEMICOLON_CHAR) &&
|
| 6642 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 6643 |
|
|
{
|
| 6644 |
|
|
/*
|
| 6645 |
|
|
* Get arguments from statement and concatenate onto string
|
| 6646 |
|
|
*/
|
| 6647 |
|
|
if (statement_buffer[index] == JAMC_QUOTE_CHAR)
|
| 6648 |
|
|
{
|
| 6649 |
|
|
/*
|
| 6650 |
|
|
* Argument is explicit string - copy it
|
| 6651 |
|
|
*/
|
| 6652 |
|
|
++index;
|
| 6653 |
|
|
while ((statement_buffer[index] != JAMC_QUOTE_CHAR) &&
|
| 6654 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH) &&
|
| 6655 |
|
|
(dest_index < JAMC_MAX_STATEMENT_LENGTH))
|
| 6656 |
|
|
{
|
| 6657 |
|
|
text_buffer[dest_index++] = statement_buffer[index++];
|
| 6658 |
|
|
}
|
| 6659 |
|
|
text_buffer[dest_index] = '\0';
|
| 6660 |
|
|
|
| 6661 |
|
|
if (statement_buffer[index] == JAMC_QUOTE_CHAR)
|
| 6662 |
|
|
{
|
| 6663 |
|
|
/* skip over terminating quote character */
|
| 6664 |
|
|
++index;
|
| 6665 |
|
|
}
|
| 6666 |
|
|
else
|
| 6667 |
|
|
{
|
| 6668 |
|
|
/* terminating quote character not found */
|
| 6669 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 6670 |
|
|
}
|
| 6671 |
|
|
}
|
| 6672 |
|
|
else if ((statement_buffer[index] == 'C') &&
|
| 6673 |
|
|
(statement_buffer[index + 1] == 'H') &&
|
| 6674 |
|
|
(statement_buffer[index + 2] == 'R') &&
|
| 6675 |
|
|
(statement_buffer[index + 3] == JAMC_DOLLAR_CHAR) &&
|
| 6676 |
|
|
(statement_buffer[index + 4] == JAMC_LPAREN_CHAR))
|
| 6677 |
|
|
{
|
| 6678 |
|
|
/*
|
| 6679 |
|
|
* Convert integer expression to character code
|
| 6680 |
|
|
*/
|
| 6681 |
|
|
index += 4; /* skip over CHR$, point to left parenthesis */
|
| 6682 |
|
|
expr_begin = index;
|
| 6683 |
|
|
expr_end = 0;
|
| 6684 |
|
|
|
| 6685 |
|
|
while ((statement_buffer[index] != JAMC_NULL_CHAR) &&
|
| 6686 |
|
|
(statement_buffer[index] != JAMC_COMMA_CHAR) &&
|
| 6687 |
|
|
(statement_buffer[index] != JAMC_SEMICOLON_CHAR) &&
|
| 6688 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 6689 |
|
|
{
|
| 6690 |
|
|
++index;
|
| 6691 |
|
|
}
|
| 6692 |
|
|
|
| 6693 |
|
|
if ((statement_buffer[index] == JAMC_COMMA_CHAR) ||
|
| 6694 |
|
|
(statement_buffer[index] == JAMC_SEMICOLON_CHAR))
|
| 6695 |
|
|
{
|
| 6696 |
|
|
expr_end = index;
|
| 6697 |
|
|
}
|
| 6698 |
|
|
|
| 6699 |
|
|
if (expr_end > expr_begin)
|
| 6700 |
|
|
{
|
| 6701 |
|
|
save_ch = statement_buffer[expr_end];
|
| 6702 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 6703 |
|
|
status = jam_evaluate_expression(
|
| 6704 |
|
|
&statement_buffer[expr_begin], &expr_value, NULL);
|
| 6705 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 6706 |
|
|
}
|
| 6707 |
|
|
else
|
| 6708 |
|
|
{
|
| 6709 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 6710 |
|
|
}
|
| 6711 |
|
|
|
| 6712 |
|
|
/*
|
| 6713 |
|
|
* Allow any seven-bit character code (zero to 127)
|
| 6714 |
|
|
*/
|
| 6715 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 6716 |
|
|
((expr_value < 0) || (expr_value > 127)))
|
| 6717 |
|
|
{
|
| 6718 |
|
|
/* character code out of range */
|
| 6719 |
|
|
|
| 6720 |
|
|
/* instead of flagging an error, force the value to 127 */
|
| 6721 |
|
|
expr_value = 127;
|
| 6722 |
|
|
}
|
| 6723 |
|
|
|
| 6724 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 6725 |
|
|
(dest_index >= JAMC_MAX_STATEMENT_LENGTH))
|
| 6726 |
|
|
{
|
| 6727 |
|
|
/* no space in output buffer */
|
| 6728 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 6729 |
|
|
}
|
| 6730 |
|
|
|
| 6731 |
|
|
if (status == JAMC_SUCCESS)
|
| 6732 |
|
|
{
|
| 6733 |
|
|
/*
|
| 6734 |
|
|
* Put the character code directly into the output buffer
|
| 6735 |
|
|
*/
|
| 6736 |
|
|
text_buffer[dest_index++] = (char) expr_value;
|
| 6737 |
|
|
text_buffer[dest_index] = '\0';
|
| 6738 |
|
|
}
|
| 6739 |
|
|
}
|
| 6740 |
|
|
else
|
| 6741 |
|
|
{
|
| 6742 |
|
|
/*
|
| 6743 |
|
|
* Process it as an integer expression
|
| 6744 |
|
|
*/
|
| 6745 |
|
|
expr_begin = index;
|
| 6746 |
|
|
expr_end = 0;
|
| 6747 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 6748 |
|
|
|
| 6749 |
|
|
while ((statement_buffer[index] != JAMC_NULL_CHAR) &&
|
| 6750 |
|
|
(statement_buffer[index] != JAMC_COMMA_CHAR) &&
|
| 6751 |
|
|
(statement_buffer[index] != JAMC_SEMICOLON_CHAR) &&
|
| 6752 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 6753 |
|
|
{
|
| 6754 |
|
|
++index;
|
| 6755 |
|
|
}
|
| 6756 |
|
|
|
| 6757 |
|
|
if ((statement_buffer[index] == JAMC_COMMA_CHAR) ||
|
| 6758 |
|
|
(statement_buffer[index] == JAMC_SEMICOLON_CHAR))
|
| 6759 |
|
|
{
|
| 6760 |
|
|
expr_end = index;
|
| 6761 |
|
|
}
|
| 6762 |
|
|
|
| 6763 |
|
|
if (expr_end > expr_begin)
|
| 6764 |
|
|
{
|
| 6765 |
|
|
save_ch = statement_buffer[expr_end];
|
| 6766 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 6767 |
|
|
status = jam_evaluate_expression(
|
| 6768 |
|
|
&statement_buffer[expr_begin], &expr_value, NULL);
|
| 6769 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 6770 |
|
|
}
|
| 6771 |
|
|
|
| 6772 |
|
|
if (status == JAMC_SUCCESS)
|
| 6773 |
|
|
{
|
| 6774 |
|
|
/*
|
| 6775 |
|
|
* Convert integer and concatenate to output string
|
| 6776 |
|
|
*/
|
| 6777 |
|
|
jam_ltoa(&text_buffer[dest_index], expr_value);
|
| 6778 |
|
|
|
| 6779 |
|
|
/* advance pointer to new end of string */
|
| 6780 |
|
|
while ((text_buffer[dest_index] != JAMC_NULL_CHAR) &&
|
| 6781 |
|
|
(dest_index < JAMC_MAX_STATEMENT_LENGTH))
|
| 6782 |
|
|
{
|
| 6783 |
|
|
++dest_index;
|
| 6784 |
|
|
}
|
| 6785 |
|
|
}
|
| 6786 |
|
|
}
|
| 6787 |
|
|
|
| 6788 |
|
|
if (status == JAMC_SUCCESS)
|
| 6789 |
|
|
{
|
| 6790 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 6791 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 6792 |
|
|
{
|
| 6793 |
|
|
++index; /* skip over white space */
|
| 6794 |
|
|
}
|
| 6795 |
|
|
|
| 6796 |
|
|
if (statement_buffer[index] == JAMC_COMMA_CHAR)
|
| 6797 |
|
|
{
|
| 6798 |
|
|
/*
|
| 6799 |
|
|
* Skip over comma and white space to process next argument
|
| 6800 |
|
|
*/
|
| 6801 |
|
|
++index;
|
| 6802 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 6803 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 6804 |
|
|
{
|
| 6805 |
|
|
++index; /* skip over white space */
|
| 6806 |
|
|
}
|
| 6807 |
|
|
}
|
| 6808 |
|
|
else if (statement_buffer[index] != JAMC_SEMICOLON_CHAR)
|
| 6809 |
|
|
{
|
| 6810 |
|
|
/*
|
| 6811 |
|
|
* If no comma to seperate arguments, statement must be
|
| 6812 |
|
|
* terminated by a semicolon
|
| 6813 |
|
|
*/
|
| 6814 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 6815 |
|
|
}
|
| 6816 |
|
|
}
|
| 6817 |
|
|
}
|
| 6818 |
|
|
|
| 6819 |
|
|
if (status == JAMC_SUCCESS)
|
| 6820 |
|
|
{
|
| 6821 |
|
|
jam_message(text_buffer);
|
| 6822 |
|
|
}
|
| 6823 |
|
|
|
| 6824 |
|
|
if (text_buffer != NULL) jam_free(text_buffer);
|
| 6825 |
|
|
|
| 6826 |
|
|
return (status);
|
| 6827 |
|
|
}
|
| 6828 |
|
|
|
| 6829 |
|
|
/****************************************************************************/
|
| 6830 |
|
|
/* */
|
| 6831 |
|
|
|
| 6832 |
|
|
JAM_RETURN_TYPE jam_process_procedure
|
| 6833 |
|
|
(
|
| 6834 |
|
|
char *statement_buffer
|
| 6835 |
|
|
)
|
| 6836 |
|
|
|
| 6837 |
|
|
/* */
|
| 6838 |
|
|
/* Description: Initializes a procedure block. This function does not */
|
| 6839 |
|
|
/* actually execute the procedure, it merely adds it to */
|
| 6840 |
|
|
/* the symbol table so it may be executed later. */
|
| 6841 |
|
|
/* */
|
| 6842 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 6843 |
|
|
/* */
|
| 6844 |
|
|
/****************************************************************************/
|
| 6845 |
|
|
{
|
| 6846 |
|
|
int index = 0;
|
| 6847 |
|
|
int procname_begin = 0;
|
| 6848 |
|
|
int procname_end = 0;
|
| 6849 |
|
|
char save_ch = 0;
|
| 6850 |
|
|
JAM_RETURN_TYPE status = JAMC_SUCCESS;
|
| 6851 |
|
|
JAMS_SYMBOL_RECORD *symbol_record = NULL;
|
| 6852 |
|
|
JAMS_HEAP_RECORD *heap_record = NULL;
|
| 6853 |
|
|
|
| 6854 |
|
|
if (jam_version == 0) jam_version = 2;
|
| 6855 |
|
|
|
| 6856 |
|
|
if (jam_version == 1) status = JAMC_SYNTAX_ERROR;
|
| 6857 |
|
|
|
| 6858 |
|
|
if ((jam_version == 2) && (jam_phase != JAM_PROCEDURE_PHASE))
|
| 6859 |
|
|
{
|
| 6860 |
|
|
status = JAMC_PHASE_ERROR;
|
| 6861 |
|
|
}
|
| 6862 |
|
|
|
| 6863 |
|
|
if ((jam_version == 2) && (jam_phase == JAM_ACTION_PHASE))
|
| 6864 |
|
|
{
|
| 6865 |
|
|
status = JAMC_ACTION_NOT_FOUND;
|
| 6866 |
|
|
}
|
| 6867 |
|
|
|
| 6868 |
|
|
if (status == JAMC_SUCCESS)
|
| 6869 |
|
|
{
|
| 6870 |
|
|
index = jam_skip_instruction_name(statement_buffer);
|
| 6871 |
|
|
|
| 6872 |
|
|
if (jam_isalpha(statement_buffer[index]))
|
| 6873 |
|
|
{
|
| 6874 |
|
|
/*
|
| 6875 |
|
|
* Get the procedure name
|
| 6876 |
|
|
*/
|
| 6877 |
|
|
procname_begin = index;
|
| 6878 |
|
|
while ((jam_is_name_char(statement_buffer[index])) &&
|
| 6879 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 6880 |
|
|
{
|
| 6881 |
|
|
++index; /* skip over procedure name */
|
| 6882 |
|
|
}
|
| 6883 |
|
|
procname_end = index;
|
| 6884 |
|
|
|
| 6885 |
|
|
save_ch = statement_buffer[procname_end];
|
| 6886 |
|
|
statement_buffer[procname_end] = JAMC_NULL_CHAR;
|
| 6887 |
|
|
status = jam_add_symbol(JAM_PROCEDURE_BLOCK,
|
| 6888 |
|
|
&statement_buffer[procname_begin], 0L,
|
| 6889 |
|
|
jam_current_statement_position);
|
| 6890 |
|
|
/* get a pointer to the symbol record */
|
| 6891 |
|
|
if (status == JAMC_SUCCESS)
|
| 6892 |
|
|
{
|
| 6893 |
|
|
status = jam_get_symbol_record(
|
| 6894 |
|
|
&statement_buffer[procname_begin], &symbol_record);
|
| 6895 |
|
|
}
|
| 6896 |
|
|
statement_buffer[procname_end] = save_ch;
|
| 6897 |
|
|
|
| 6898 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 6899 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 6900 |
|
|
{
|
| 6901 |
|
|
++index; /* skip over white space */
|
| 6902 |
|
|
}
|
| 6903 |
|
|
}
|
| 6904 |
|
|
else
|
| 6905 |
|
|
{
|
| 6906 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 6907 |
|
|
}
|
| 6908 |
|
|
}
|
| 6909 |
|
|
|
| 6910 |
|
|
if (status == JAMC_SUCCESS)
|
| 6911 |
|
|
{
|
| 6912 |
|
|
/*
|
| 6913 |
|
|
* Get list of USES blocks
|
| 6914 |
|
|
*/
|
| 6915 |
|
|
if (statement_buffer[index] != JAMC_SEMICOLON_CHAR)
|
| 6916 |
|
|
{
|
| 6917 |
|
|
if ((jam_strncmp(&statement_buffer[index], "USES", 4) == 0) &&
|
| 6918 |
|
|
(jam_isspace(statement_buffer[index + 4])))
|
| 6919 |
|
|
{
|
| 6920 |
|
|
/*
|
| 6921 |
|
|
* Get list of USES blocks
|
| 6922 |
|
|
*/
|
| 6923 |
|
|
index += 4; /* skip over USES keyword */
|
| 6924 |
|
|
|
| 6925 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 6926 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 6927 |
|
|
{
|
| 6928 |
|
|
++index; /* skip over white space */
|
| 6929 |
|
|
}
|
| 6930 |
|
|
|
| 6931 |
|
|
if (symbol_record->value == 0)
|
| 6932 |
|
|
{
|
| 6933 |
|
|
status = jam_add_heap_record(symbol_record, &heap_record,
|
| 6934 |
|
|
jam_strlen(&statement_buffer[index]) + 1);
|
| 6935 |
|
|
|
| 6936 |
|
|
if (status == JAMC_SUCCESS)
|
| 6937 |
|
|
{
|
| 6938 |
|
|
symbol_record->value = (long) heap_record;
|
| 6939 |
|
|
jam_strcpy((char *) heap_record->data,
|
| 6940 |
|
|
&statement_buffer[index]);
|
| 6941 |
|
|
}
|
| 6942 |
|
|
}
|
| 6943 |
|
|
else
|
| 6944 |
|
|
{
|
| 6945 |
|
|
heap_record = (JAMS_HEAP_RECORD *) symbol_record->value;
|
| 6946 |
|
|
}
|
| 6947 |
|
|
|
| 6948 |
|
|
/*
|
| 6949 |
|
|
* Ignore the USES clause -- it will be processed later
|
| 6950 |
|
|
*/
|
| 6951 |
|
|
while ((statement_buffer[index] != JAMC_SEMICOLON_CHAR) &&
|
| 6952 |
|
|
(statement_buffer[index] != JAMC_NULL_CHAR) &&
|
| 6953 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 6954 |
|
|
{
|
| 6955 |
|
|
++index;
|
| 6956 |
|
|
}
|
| 6957 |
|
|
}
|
| 6958 |
|
|
else
|
| 6959 |
|
|
{
|
| 6960 |
|
|
/* error: expected USES keyword */
|
| 6961 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 6962 |
|
|
}
|
| 6963 |
|
|
}
|
| 6964 |
|
|
}
|
| 6965 |
|
|
|
| 6966 |
|
|
return (status);
|
| 6967 |
|
|
}
|
| 6968 |
|
|
|
| 6969 |
|
|
/****************************************************************************/
|
| 6970 |
|
|
/* */
|
| 6971 |
|
|
|
| 6972 |
|
|
JAM_RETURN_TYPE jam_process_push
|
| 6973 |
|
|
(
|
| 6974 |
|
|
char *statement_buffer
|
| 6975 |
|
|
)
|
| 6976 |
|
|
|
| 6977 |
|
|
/* */
|
| 6978 |
|
|
/* Description: Pushes an integer or Boolean value onto the stack */
|
| 6979 |
|
|
/* */
|
| 6980 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 6981 |
|
|
/* */
|
| 6982 |
|
|
/****************************************************************************/
|
| 6983 |
|
|
{
|
| 6984 |
|
|
int index = 0;
|
| 6985 |
|
|
int expr_begin = 0;
|
| 6986 |
|
|
int expr_end = 0;
|
| 6987 |
|
|
char save_ch = 0;
|
| 6988 |
|
|
long push_value = 0L;
|
| 6989 |
|
|
JAM_RETURN_TYPE status = JAMC_SYNTAX_ERROR;
|
| 6990 |
|
|
|
| 6991 |
|
|
if ((jam_version == 2) && (jam_phase != JAM_PROCEDURE_PHASE))
|
| 6992 |
|
|
{
|
| 6993 |
|
|
return (JAMC_PHASE_ERROR);
|
| 6994 |
|
|
}
|
| 6995 |
|
|
|
| 6996 |
|
|
index = jam_skip_instruction_name(statement_buffer);
|
| 6997 |
|
|
|
| 6998 |
|
|
/*
|
| 6999 |
|
|
* Evaluate expression for the PUSH value
|
| 7000 |
|
|
*/
|
| 7001 |
|
|
expr_begin = index;
|
| 7002 |
|
|
while ((statement_buffer[index] != JAMC_NULL_CHAR) &&
|
| 7003 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 7004 |
|
|
{
|
| 7005 |
|
|
++index;
|
| 7006 |
|
|
}
|
| 7007 |
|
|
while ((statement_buffer[index] != JAMC_SEMICOLON_CHAR) && (index > 0))
|
| 7008 |
|
|
{
|
| 7009 |
|
|
--index;
|
| 7010 |
|
|
}
|
| 7011 |
|
|
expr_end = index;
|
| 7012 |
|
|
|
| 7013 |
|
|
if (expr_end > expr_begin)
|
| 7014 |
|
|
{
|
| 7015 |
|
|
save_ch = statement_buffer[expr_end];
|
| 7016 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 7017 |
|
|
status = jam_evaluate_expression(
|
| 7018 |
|
|
&statement_buffer[expr_begin], &push_value, NULL);
|
| 7019 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 7020 |
|
|
}
|
| 7021 |
|
|
|
| 7022 |
|
|
/*
|
| 7023 |
|
|
* Push the value onto the stack
|
| 7024 |
|
|
*/
|
| 7025 |
|
|
if (status == JAMC_SUCCESS)
|
| 7026 |
|
|
{
|
| 7027 |
|
|
status = jam_push_pushpop_record(push_value);
|
| 7028 |
|
|
}
|
| 7029 |
|
|
|
| 7030 |
|
|
return (status);
|
| 7031 |
|
|
}
|
| 7032 |
|
|
|
| 7033 |
|
|
/****************************************************************************/
|
| 7034 |
|
|
/* */
|
| 7035 |
|
|
|
| 7036 |
|
|
JAM_RETURN_TYPE jam_process_return
|
| 7037 |
|
|
(
|
| 7038 |
|
|
char *statement_buffer,
|
| 7039 |
|
|
BOOL endproc
|
| 7040 |
|
|
)
|
| 7041 |
|
|
|
| 7042 |
|
|
/* */
|
| 7043 |
|
|
/* Description: Returns from subroutine by popping the return address */
|
| 7044 |
|
|
/* off the stack */
|
| 7045 |
|
|
/* */
|
| 7046 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 7047 |
|
|
/* */
|
| 7048 |
|
|
/****************************************************************************/
|
| 7049 |
|
|
{
|
| 7050 |
|
|
int index = 0;
|
| 7051 |
|
|
long return_position = 0L;
|
| 7052 |
|
|
JAM_RETURN_TYPE status = JAMC_SYNTAX_ERROR;
|
| 7053 |
|
|
JAMS_STACK_RECORD *stack_record = NULL;
|
| 7054 |
|
|
|
| 7055 |
|
|
if ((jam_version == 0) && endproc) jam_version = 2;
|
| 7056 |
|
|
|
| 7057 |
|
|
if ((jam_version == 0) && !endproc) jam_version = 1;
|
| 7058 |
|
|
|
| 7059 |
|
|
if ((jam_version == 2) && !endproc)
|
| 7060 |
|
|
{
|
| 7061 |
|
|
/* Jam 2.0 does not support the RETURN statement */
|
| 7062 |
|
|
return (JAMC_SYNTAX_ERROR);
|
| 7063 |
|
|
}
|
| 7064 |
|
|
|
| 7065 |
|
|
index = jam_skip_instruction_name(statement_buffer);
|
| 7066 |
|
|
|
| 7067 |
|
|
/*
|
| 7068 |
|
|
* The semicolon must be next.
|
| 7069 |
|
|
*/
|
| 7070 |
|
|
if (statement_buffer[index] == JAMC_SEMICOLON_CHAR)
|
| 7071 |
|
|
{
|
| 7072 |
|
|
/*
|
| 7073 |
|
|
* Get stack record at top of stack
|
| 7074 |
|
|
*/
|
| 7075 |
|
|
stack_record = jam_peek_stack_record();
|
| 7076 |
|
|
|
| 7077 |
|
|
/*
|
| 7078 |
|
|
* Check that stack record corresponds to a CALL statement
|
| 7079 |
|
|
*/
|
| 7080 |
|
|
if ((stack_record != NULL) &&
|
| 7081 |
|
|
(stack_record->type == JAM_STACK_CALL_RETURN))
|
| 7082 |
|
|
{
|
| 7083 |
|
|
/*
|
| 7084 |
|
|
* Stack record is the correct type -- pop it off the stack.
|
| 7085 |
|
|
*/
|
| 7086 |
|
|
return_position = stack_record->return_position;
|
| 7087 |
|
|
status = jam_pop_stack_record();
|
| 7088 |
|
|
|
| 7089 |
|
|
/*
|
| 7090 |
|
|
* Now jump to the return address
|
| 7091 |
|
|
*/
|
| 7092 |
|
|
if (status == JAMC_SUCCESS)
|
| 7093 |
|
|
{
|
| 7094 |
|
|
if (jam_seek(return_position) == 0)
|
| 7095 |
|
|
{
|
| 7096 |
|
|
jam_current_file_position = return_position;
|
| 7097 |
|
|
}
|
| 7098 |
|
|
else
|
| 7099 |
|
|
{
|
| 7100 |
|
|
/* seek failed */
|
| 7101 |
|
|
status = JAMC_IO_ERROR;
|
| 7102 |
|
|
}
|
| 7103 |
|
|
}
|
| 7104 |
|
|
}
|
| 7105 |
|
|
else
|
| 7106 |
|
|
{
|
| 7107 |
|
|
status = JAMC_RETURN_UNEXPECTED;
|
| 7108 |
|
|
}
|
| 7109 |
|
|
}
|
| 7110 |
|
|
|
| 7111 |
|
|
return (status);
|
| 7112 |
|
|
}
|
| 7113 |
|
|
|
| 7114 |
|
|
/****************************************************************************/
|
| 7115 |
|
|
/* */
|
| 7116 |
|
|
|
| 7117 |
|
|
JAM_RETURN_TYPE jam_find_state_argument
|
| 7118 |
|
|
(
|
| 7119 |
|
|
char *statement_buffer,
|
| 7120 |
|
|
int *begin,
|
| 7121 |
|
|
int *end,
|
| 7122 |
|
|
int *delimiter
|
| 7123 |
|
|
)
|
| 7124 |
|
|
|
| 7125 |
|
|
/* */
|
| 7126 |
|
|
/* Description: Special version of jam_find_argument() for state paths. */
|
| 7127 |
|
|
/* Valid delimiters are whitespace, COMMA, or SEMICOLON. */
|
| 7128 |
|
|
/* Returns indices of begin and end of argument, and the */
|
| 7129 |
|
|
/* delimiter after the argument. */
|
| 7130 |
|
|
/* */
|
| 7131 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 7132 |
|
|
/* */
|
| 7133 |
|
|
/****************************************************************************/
|
| 7134 |
|
|
{
|
| 7135 |
|
|
int index = 0;
|
| 7136 |
|
|
JAM_RETURN_TYPE status = JAMC_SUCCESS;
|
| 7137 |
|
|
|
| 7138 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 7139 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 7140 |
|
|
{
|
| 7141 |
|
|
++index; /* skip over white space */
|
| 7142 |
|
|
}
|
| 7143 |
|
|
|
| 7144 |
|
|
*begin = index;
|
| 7145 |
|
|
|
| 7146 |
|
|
/* loop until white space or comma or semicolon */
|
| 7147 |
|
|
while ((!jam_isspace(statement_buffer[index])) &&
|
| 7148 |
|
|
(statement_buffer[index] != JAMC_NULL_CHAR) &&
|
| 7149 |
|
|
(statement_buffer[index] != JAMC_COMMA_CHAR) &&
|
| 7150 |
|
|
(statement_buffer[index] != JAMC_SEMICOLON_CHAR) &&
|
| 7151 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 7152 |
|
|
{
|
| 7153 |
|
|
++index;
|
| 7154 |
|
|
}
|
| 7155 |
|
|
|
| 7156 |
|
|
if ((!jam_isspace(statement_buffer[index])) &&
|
| 7157 |
|
|
(statement_buffer[index] != JAMC_COMMA_CHAR) &&
|
| 7158 |
|
|
(statement_buffer[index] != JAMC_SEMICOLON_CHAR))
|
| 7159 |
|
|
{
|
| 7160 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 7161 |
|
|
}
|
| 7162 |
|
|
else
|
| 7163 |
|
|
{
|
| 7164 |
|
|
*end = index; /* end is position after last argument character */
|
| 7165 |
|
|
|
| 7166 |
|
|
*delimiter = index; /* delimiter is position of comma or semicolon */
|
| 7167 |
|
|
|
| 7168 |
|
|
/* check whether a comma or semicolon comes after the white space */
|
| 7169 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 7170 |
|
|
(statement_buffer[index] != JAMC_NULL_CHAR) &&
|
| 7171 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 7172 |
|
|
{
|
| 7173 |
|
|
++index;
|
| 7174 |
|
|
}
|
| 7175 |
|
|
|
| 7176 |
|
|
if ((statement_buffer[index] == JAMC_COMMA_CHAR) ||
|
| 7177 |
|
|
(statement_buffer[index] == JAMC_SEMICOLON_CHAR))
|
| 7178 |
|
|
{
|
| 7179 |
|
|
*delimiter = index; /* send the real delimiter */
|
| 7180 |
|
|
}
|
| 7181 |
|
|
|
| 7182 |
|
|
}
|
| 7183 |
|
|
|
| 7184 |
|
|
return (status);
|
| 7185 |
|
|
}
|
| 7186 |
|
|
|
| 7187 |
|
|
/****************************************************************************/
|
| 7188 |
|
|
/* */
|
| 7189 |
|
|
|
| 7190 |
|
|
JAM_RETURN_TYPE jam_process_state
|
| 7191 |
|
|
(
|
| 7192 |
|
|
char *statement_buffer
|
| 7193 |
|
|
)
|
| 7194 |
|
|
|
| 7195 |
|
|
/* */
|
| 7196 |
|
|
/* Description: Forces JTAG chain to specified state, or through */
|
| 7197 |
|
|
/* specified sequence of states */
|
| 7198 |
|
|
/* */
|
| 7199 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 7200 |
|
|
/* */
|
| 7201 |
|
|
/****************************************************************************/
|
| 7202 |
|
|
{
|
| 7203 |
|
|
int index = 0;
|
| 7204 |
|
|
int expr_begin = 0;
|
| 7205 |
|
|
int expr_end = 0;
|
| 7206 |
|
|
int delimiter = 0;
|
| 7207 |
|
|
char save_ch = 0;
|
| 7208 |
|
|
JAM_RETURN_TYPE status = JAMC_SUCCESS;
|
| 7209 |
|
|
JAME_JTAG_STATE state = JAM_ILLEGAL_JTAG_STATE;
|
| 7210 |
|
|
|
| 7211 |
|
|
if ((jam_version == 2) && (jam_phase != JAM_PROCEDURE_PHASE))
|
| 7212 |
|
|
{
|
| 7213 |
|
|
return (JAMC_PHASE_ERROR);
|
| 7214 |
|
|
}
|
| 7215 |
|
|
|
| 7216 |
|
|
index = jam_skip_instruction_name(statement_buffer);
|
| 7217 |
|
|
|
| 7218 |
|
|
do
|
| 7219 |
|
|
{
|
| 7220 |
|
|
/*
|
| 7221 |
|
|
* Get next argument
|
| 7222 |
|
|
*/
|
| 7223 |
|
|
status = jam_find_state_argument(&statement_buffer[index],
|
| 7224 |
|
|
&expr_begin, &expr_end, &delimiter);
|
| 7225 |
|
|
|
| 7226 |
|
|
if (status == JAMC_SUCCESS)
|
| 7227 |
|
|
{
|
| 7228 |
|
|
expr_begin += index;
|
| 7229 |
|
|
expr_end += index;
|
| 7230 |
|
|
delimiter += index;
|
| 7231 |
|
|
|
| 7232 |
|
|
save_ch = statement_buffer[expr_end];
|
| 7233 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 7234 |
|
|
state = jam_get_jtag_state_from_name(&statement_buffer[expr_begin]);
|
| 7235 |
|
|
|
| 7236 |
|
|
if (state == JAM_ILLEGAL_JTAG_STATE)
|
| 7237 |
|
|
{
|
| 7238 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 7239 |
|
|
}
|
| 7240 |
|
|
else
|
| 7241 |
|
|
{
|
| 7242 |
|
|
/*
|
| 7243 |
|
|
* Go to the specified state
|
| 7244 |
|
|
*/
|
| 7245 |
|
|
status = jam_goto_jtag_state(state);
|
| 7246 |
|
|
index = delimiter + 1;
|
| 7247 |
|
|
}
|
| 7248 |
|
|
|
| 7249 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 7250 |
|
|
}
|
| 7251 |
|
|
}
|
| 7252 |
|
|
while ((status == JAMC_SUCCESS) &&
|
| 7253 |
|
|
((jam_isspace(statement_buffer[delimiter])) ||
|
| 7254 |
|
|
(statement_buffer[delimiter] == JAMC_COMMA_CHAR)));
|
| 7255 |
|
|
|
| 7256 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 7257 |
|
|
(statement_buffer[delimiter] != JAMC_SEMICOLON_CHAR))
|
| 7258 |
|
|
{
|
| 7259 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 7260 |
|
|
}
|
| 7261 |
|
|
|
| 7262 |
|
|
return (status);
|
| 7263 |
|
|
}
|
| 7264 |
|
|
|
| 7265 |
|
|
/****************************************************************************/
|
| 7266 |
|
|
/* */
|
| 7267 |
|
|
|
| 7268 |
|
|
JAM_RETURN_TYPE jam_process_trst
|
| 7269 |
|
|
(
|
| 7270 |
|
|
char *statement_buffer
|
| 7271 |
|
|
)
|
| 7272 |
|
|
|
| 7273 |
|
|
/* */
|
| 7274 |
|
|
/* Description: Asserts the TRST signal to the JTAG hardware interface. */
|
| 7275 |
|
|
/* NOTE: this does not guarantee a chain reset, because */
|
| 7276 |
|
|
/* some devices in the chain may not use the TRST signal. */
|
| 7277 |
|
|
/* */
|
| 7278 |
|
|
/* TRST <integer-expr> CYCLES; -or- */
|
| 7279 |
|
|
/* TRST <integer-expr> USEC; -or- */
|
| 7280 |
|
|
/* TRST <integer-expr> CYCLES, <integer-expr> USEC; */
|
| 7281 |
|
|
/* */
|
| 7282 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 7283 |
|
|
/* */
|
| 7284 |
|
|
/****************************************************************************/
|
| 7285 |
|
|
{
|
| 7286 |
|
|
JAM_RETURN_TYPE status = JAMC_SUCCESS;
|
| 7287 |
|
|
|
| 7288 |
|
|
if (jam_version == 0) jam_version = 2;
|
| 7289 |
|
|
|
| 7290 |
|
|
if (jam_version == 1) status = JAMC_SYNTAX_ERROR;
|
| 7291 |
|
|
|
| 7292 |
|
|
if ((jam_version == 2) && (jam_phase != JAM_PROCEDURE_PHASE))
|
| 7293 |
|
|
{
|
| 7294 |
|
|
status = JAMC_PHASE_ERROR;
|
| 7295 |
|
|
}
|
| 7296 |
|
|
|
| 7297 |
|
|
/* assert TRST... NOT IMPLEMENTED YET! */
|
| 7298 |
|
|
|
| 7299 |
|
|
status = jam_process_wait(statement_buffer);
|
| 7300 |
|
|
|
| 7301 |
|
|
/* release TRST... NOT IMPLEMENTED YET! */
|
| 7302 |
|
|
|
| 7303 |
|
|
return (status);
|
| 7304 |
|
|
}
|
| 7305 |
|
|
|
| 7306 |
|
|
/****************************************************************************/
|
| 7307 |
|
|
/* */
|
| 7308 |
|
|
|
| 7309 |
|
|
JAM_RETURN_TYPE jam_process_vector_capture
|
| 7310 |
|
|
(
|
| 7311 |
|
|
char *statement_buffer,
|
| 7312 |
|
|
int signal_count,
|
| 7313 |
|
|
long *dir_vector,
|
| 7314 |
|
|
long *data_vector
|
| 7315 |
|
|
)
|
| 7316 |
|
|
|
| 7317 |
|
|
/* */
|
| 7318 |
|
|
/* Description: Applies signals to non-JTAG hardware interface, reads */
|
| 7319 |
|
|
/* back signals from hardware, and stores values in the */
|
| 7320 |
|
|
/* capture array. The syntax for the entire statement is: */
|
| 7321 |
|
|
/* */
|
| 7322 |
|
|
/* VECTOR <dir>, <data>, CAPTURE <capture> ; */
|
| 7323 |
|
|
/* */
|
| 7324 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 7325 |
|
|
/* */
|
| 7326 |
|
|
/****************************************************************************/
|
| 7327 |
|
|
{
|
| 7328 |
|
|
int expr_begin = 0;
|
| 7329 |
|
|
int expr_end = 0;
|
| 7330 |
|
|
int delimiter = 0;
|
| 7331 |
|
|
long start_index = 0L;
|
| 7332 |
|
|
long stop_index = 0L;
|
| 7333 |
|
|
char save_ch = 0;
|
| 7334 |
|
|
long *capture_buffer = NULL;
|
| 7335 |
|
|
long *literal_array_data = NULL;
|
| 7336 |
|
|
JAMS_SYMBOL_RECORD *symbol_record = NULL;
|
| 7337 |
|
|
JAMS_HEAP_RECORD *heap_record = NULL;
|
| 7338 |
|
|
JAM_RETURN_TYPE status = JAMC_SYNTAX_ERROR;
|
| 7339 |
|
|
|
| 7340 |
|
|
/*
|
| 7341 |
|
|
* Statement buffer should contain the part of the statement string
|
| 7342 |
|
|
* after the CAPTURE keyword.
|
| 7343 |
|
|
*
|
| 7344 |
|
|
* The only argument should be the capture array.
|
| 7345 |
|
|
*/
|
| 7346 |
|
|
status = jam_find_argument(statement_buffer,
|
| 7347 |
|
|
&expr_begin, &expr_end, &delimiter);
|
| 7348 |
|
|
|
| 7349 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 7350 |
|
|
(statement_buffer[delimiter] != JAMC_SEMICOLON_CHAR))
|
| 7351 |
|
|
{
|
| 7352 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 7353 |
|
|
}
|
| 7354 |
|
|
|
| 7355 |
|
|
if (status == JAMC_SUCCESS)
|
| 7356 |
|
|
{
|
| 7357 |
|
|
save_ch = statement_buffer[expr_end];
|
| 7358 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 7359 |
|
|
status = jam_get_array_argument(&statement_buffer[expr_begin],
|
| 7360 |
|
|
&symbol_record, &literal_array_data,
|
| 7361 |
|
|
&start_index, &stop_index, 2);
|
| 7362 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 7363 |
|
|
}
|
| 7364 |
|
|
|
| 7365 |
|
|
if ((status == JAMC_SUCCESS) && (literal_array_data != NULL))
|
| 7366 |
|
|
{
|
| 7367 |
|
|
/* literal array may not be used for capture buffer */
|
| 7368 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 7369 |
|
|
}
|
| 7370 |
|
|
|
| 7371 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 7372 |
|
|
(stop_index != start_index + signal_count - 1))
|
| 7373 |
|
|
{
|
| 7374 |
|
|
status = JAMC_BOUNDS_ERROR;
|
| 7375 |
|
|
}
|
| 7376 |
|
|
|
| 7377 |
|
|
if (status == JAMC_SUCCESS)
|
| 7378 |
|
|
{
|
| 7379 |
|
|
if (symbol_record != NULL)
|
| 7380 |
|
|
{
|
| 7381 |
|
|
heap_record = (JAMS_HEAP_RECORD *)symbol_record->value;
|
| 7382 |
|
|
|
| 7383 |
|
|
if (heap_record != NULL)
|
| 7384 |
|
|
{
|
| 7385 |
|
|
capture_buffer = heap_record->data;
|
| 7386 |
|
|
}
|
| 7387 |
|
|
else
|
| 7388 |
|
|
{
|
| 7389 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 7390 |
|
|
}
|
| 7391 |
|
|
}
|
| 7392 |
|
|
else
|
| 7393 |
|
|
{
|
| 7394 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 7395 |
|
|
}
|
| 7396 |
|
|
}
|
| 7397 |
|
|
|
| 7398 |
|
|
/*
|
| 7399 |
|
|
* Perform the VECTOR operation, capturing data into the heap buffer
|
| 7400 |
|
|
*/
|
| 7401 |
|
|
if (status == JAMC_SUCCESS)
|
| 7402 |
|
|
{
|
| 7403 |
|
|
if (jam_vector_io(signal_count, dir_vector, data_vector,
|
| 7404 |
|
|
capture_buffer) != signal_count)
|
| 7405 |
|
|
{
|
| 7406 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 7407 |
|
|
}
|
| 7408 |
|
|
}
|
| 7409 |
|
|
|
| 7410 |
|
|
return (status);
|
| 7411 |
|
|
}
|
| 7412 |
|
|
|
| 7413 |
|
|
/****************************************************************************/
|
| 7414 |
|
|
/* */
|
| 7415 |
|
|
|
| 7416 |
|
|
JAM_RETURN_TYPE jam_process_vector_compare
|
| 7417 |
|
|
(
|
| 7418 |
|
|
char *statement_buffer,
|
| 7419 |
|
|
int signal_count,
|
| 7420 |
|
|
long *dir_vector,
|
| 7421 |
|
|
long *data_vector
|
| 7422 |
|
|
)
|
| 7423 |
|
|
|
| 7424 |
|
|
/* */
|
| 7425 |
|
|
/* Description: Applies signals to non-JTAG hardware interface, reads */
|
| 7426 |
|
|
/* back signals from hardware, and compares values to the */
|
| 7427 |
|
|
/* expected values. Result is stored in a BOOLEAN */
|
| 7428 |
|
|
/* variable. The syntax for the entire statement is: */
|
| 7429 |
|
|
/* */
|
| 7430 |
|
|
/* VECTOR <dir>, <data>, COMPARE <expected>, <mask>, <result> ; */
|
| 7431 |
|
|
/* */
|
| 7432 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 7433 |
|
|
/* */
|
| 7434 |
|
|
/****************************************************************************/
|
| 7435 |
|
|
{
|
| 7436 |
|
|
int bit = 0;
|
| 7437 |
|
|
int index = 0;
|
| 7438 |
|
|
int expr_begin = 0;
|
| 7439 |
|
|
int expr_end = 0;
|
| 7440 |
|
|
int delimiter = 0;
|
| 7441 |
|
|
int actual = 0;
|
| 7442 |
|
|
int expected = 0;
|
| 7443 |
|
|
int mask = 0;
|
| 7444 |
|
|
long comp_start_index = 0L;
|
| 7445 |
|
|
long comp_stop_index = 0L;
|
| 7446 |
|
|
long mask_start_index = 0L;
|
| 7447 |
|
|
long mask_stop_index = 0L;
|
| 7448 |
|
|
char save_ch = 0;
|
| 7449 |
|
|
long *temp_array = NULL;
|
| 7450 |
|
|
BOOL result = TRUE;
|
| 7451 |
|
|
JAMS_SYMBOL_RECORD *symbol_record = NULL;
|
| 7452 |
|
|
JAMS_HEAP_RECORD *heap_record = NULL;
|
| 7453 |
|
|
long *comp_data = NULL;
|
| 7454 |
|
|
long *mask_data = NULL;
|
| 7455 |
|
|
long *literal_array_data = NULL;
|
| 7456 |
|
|
JAM_RETURN_TYPE status = JAMC_SYNTAX_ERROR;
|
| 7457 |
|
|
|
| 7458 |
|
|
/*
|
| 7459 |
|
|
* Statement buffer should contain the part of the statement string
|
| 7460 |
|
|
* after the COMPARE keyword.
|
| 7461 |
|
|
*
|
| 7462 |
|
|
* The first argument should be the compare array.
|
| 7463 |
|
|
*/
|
| 7464 |
|
|
status = jam_find_argument(statement_buffer,
|
| 7465 |
|
|
&expr_begin, &expr_end, &delimiter);
|
| 7466 |
|
|
|
| 7467 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 7468 |
|
|
(statement_buffer[delimiter] != JAMC_COMMA_CHAR))
|
| 7469 |
|
|
{
|
| 7470 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 7471 |
|
|
}
|
| 7472 |
|
|
|
| 7473 |
|
|
if (status == JAMC_SUCCESS)
|
| 7474 |
|
|
{
|
| 7475 |
|
|
save_ch = statement_buffer[expr_end];
|
| 7476 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 7477 |
|
|
status = jam_get_array_argument(&statement_buffer[expr_begin],
|
| 7478 |
|
|
&symbol_record, &literal_array_data,
|
| 7479 |
|
|
&comp_start_index, &comp_stop_index, 2);
|
| 7480 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 7481 |
|
|
index = delimiter + 1;
|
| 7482 |
|
|
}
|
| 7483 |
|
|
|
| 7484 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 7485 |
|
|
(literal_array_data != NULL) &&
|
| 7486 |
|
|
(comp_start_index == 0) &&
|
| 7487 |
|
|
(comp_stop_index > signal_count - 1))
|
| 7488 |
|
|
{
|
| 7489 |
|
|
comp_stop_index = signal_count - 1;
|
| 7490 |
|
|
}
|
| 7491 |
|
|
|
| 7492 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 7493 |
|
|
(comp_stop_index != comp_start_index + signal_count - 1))
|
| 7494 |
|
|
{
|
| 7495 |
|
|
status = JAMC_BOUNDS_ERROR;
|
| 7496 |
|
|
}
|
| 7497 |
|
|
|
| 7498 |
|
|
if (status == JAMC_SUCCESS)
|
| 7499 |
|
|
{
|
| 7500 |
|
|
if (symbol_record != NULL)
|
| 7501 |
|
|
{
|
| 7502 |
|
|
heap_record = (JAMS_HEAP_RECORD *)symbol_record->value;
|
| 7503 |
|
|
|
| 7504 |
|
|
if (heap_record != NULL)
|
| 7505 |
|
|
{
|
| 7506 |
|
|
comp_data = heap_record->data;
|
| 7507 |
|
|
}
|
| 7508 |
|
|
else
|
| 7509 |
|
|
{
|
| 7510 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 7511 |
|
|
}
|
| 7512 |
|
|
}
|
| 7513 |
|
|
else if (literal_array_data != NULL)
|
| 7514 |
|
|
{
|
| 7515 |
|
|
comp_data = literal_array_data;
|
| 7516 |
|
|
}
|
| 7517 |
|
|
else
|
| 7518 |
|
|
{
|
| 7519 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 7520 |
|
|
}
|
| 7521 |
|
|
}
|
| 7522 |
|
|
|
| 7523 |
|
|
/*
|
| 7524 |
|
|
* Find the next argument -- should be the mask array
|
| 7525 |
|
|
*/
|
| 7526 |
|
|
if (status == JAMC_SUCCESS)
|
| 7527 |
|
|
{
|
| 7528 |
|
|
status = jam_find_argument(&statement_buffer[index],
|
| 7529 |
|
|
&expr_begin, &expr_end, &delimiter);
|
| 7530 |
|
|
|
| 7531 |
|
|
expr_begin += index;
|
| 7532 |
|
|
expr_end += index;
|
| 7533 |
|
|
delimiter += index;
|
| 7534 |
|
|
}
|
| 7535 |
|
|
|
| 7536 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 7537 |
|
|
(statement_buffer[delimiter] != JAMC_COMMA_CHAR))
|
| 7538 |
|
|
{
|
| 7539 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 7540 |
|
|
}
|
| 7541 |
|
|
|
| 7542 |
|
|
if (status == JAMC_SUCCESS)
|
| 7543 |
|
|
{
|
| 7544 |
|
|
save_ch = statement_buffer[expr_end];
|
| 7545 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 7546 |
|
|
status = jam_get_array_argument(&statement_buffer[expr_begin],
|
| 7547 |
|
|
&symbol_record, &literal_array_data,
|
| 7548 |
|
|
&mask_start_index, &mask_stop_index, 3);
|
| 7549 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 7550 |
|
|
index = delimiter + 1;
|
| 7551 |
|
|
}
|
| 7552 |
|
|
|
| 7553 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 7554 |
|
|
(literal_array_data != NULL) &&
|
| 7555 |
|
|
(mask_start_index == 0) &&
|
| 7556 |
|
|
(mask_stop_index > signal_count - 1))
|
| 7557 |
|
|
{
|
| 7558 |
|
|
mask_stop_index = signal_count - 1;
|
| 7559 |
|
|
}
|
| 7560 |
|
|
|
| 7561 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 7562 |
|
|
(mask_stop_index != mask_start_index + signal_count - 1))
|
| 7563 |
|
|
{
|
| 7564 |
|
|
status = JAMC_BOUNDS_ERROR;
|
| 7565 |
|
|
}
|
| 7566 |
|
|
|
| 7567 |
|
|
if (status == JAMC_SUCCESS)
|
| 7568 |
|
|
{
|
| 7569 |
|
|
if (symbol_record != NULL)
|
| 7570 |
|
|
{
|
| 7571 |
|
|
heap_record = (JAMS_HEAP_RECORD *)symbol_record->value;
|
| 7572 |
|
|
|
| 7573 |
|
|
if (heap_record != NULL)
|
| 7574 |
|
|
{
|
| 7575 |
|
|
mask_data = heap_record->data;
|
| 7576 |
|
|
}
|
| 7577 |
|
|
else
|
| 7578 |
|
|
{
|
| 7579 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 7580 |
|
|
}
|
| 7581 |
|
|
}
|
| 7582 |
|
|
else if (literal_array_data != NULL)
|
| 7583 |
|
|
{
|
| 7584 |
|
|
mask_data = literal_array_data;
|
| 7585 |
|
|
}
|
| 7586 |
|
|
else
|
| 7587 |
|
|
{
|
| 7588 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 7589 |
|
|
}
|
| 7590 |
|
|
}
|
| 7591 |
|
|
|
| 7592 |
|
|
/*
|
| 7593 |
|
|
* Find the third argument -- should be the result variable
|
| 7594 |
|
|
*/
|
| 7595 |
|
|
if (status == JAMC_SUCCESS)
|
| 7596 |
|
|
{
|
| 7597 |
|
|
status = jam_find_argument(&statement_buffer[index],
|
| 7598 |
|
|
&expr_begin, &expr_end, &delimiter);
|
| 7599 |
|
|
|
| 7600 |
|
|
expr_begin += index;
|
| 7601 |
|
|
expr_end += index;
|
| 7602 |
|
|
delimiter += index;
|
| 7603 |
|
|
}
|
| 7604 |
|
|
|
| 7605 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 7606 |
|
|
(statement_buffer[delimiter] != JAMC_SEMICOLON_CHAR))
|
| 7607 |
|
|
{
|
| 7608 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 7609 |
|
|
}
|
| 7610 |
|
|
|
| 7611 |
|
|
/*
|
| 7612 |
|
|
* Result must be a scalar Boolean variable
|
| 7613 |
|
|
*/
|
| 7614 |
|
|
if (status == JAMC_SUCCESS)
|
| 7615 |
|
|
{
|
| 7616 |
|
|
save_ch = statement_buffer[expr_end];
|
| 7617 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 7618 |
|
|
status = jam_get_symbol_record(&statement_buffer[expr_begin],
|
| 7619 |
|
|
&symbol_record);
|
| 7620 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 7621 |
|
|
|
| 7622 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 7623 |
|
|
(symbol_record->type != JAM_BOOLEAN_SYMBOL))
|
| 7624 |
|
|
{
|
| 7625 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 7626 |
|
|
}
|
| 7627 |
|
|
}
|
| 7628 |
|
|
|
| 7629 |
|
|
/*
|
| 7630 |
|
|
* Find some free memory on the heap
|
| 7631 |
|
|
*/
|
| 7632 |
|
|
if (status == JAMC_SUCCESS)
|
| 7633 |
|
|
{
|
| 7634 |
|
|
temp_array = jam_get_temp_workspace((signal_count >> 3) + 4);
|
| 7635 |
|
|
|
| 7636 |
|
|
if (temp_array == NULL)
|
| 7637 |
|
|
{
|
| 7638 |
|
|
status = JAMC_OUT_OF_MEMORY;
|
| 7639 |
|
|
}
|
| 7640 |
|
|
}
|
| 7641 |
|
|
|
| 7642 |
|
|
/*
|
| 7643 |
|
|
* Do the VECTOR operation, saving the result in temp_array
|
| 7644 |
|
|
*/
|
| 7645 |
|
|
if (status == JAMC_SUCCESS)
|
| 7646 |
|
|
{
|
| 7647 |
|
|
if (jam_vector_io(signal_count, dir_vector, data_vector,
|
| 7648 |
|
|
temp_array) != signal_count)
|
| 7649 |
|
|
{
|
| 7650 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 7651 |
|
|
}
|
| 7652 |
|
|
}
|
| 7653 |
|
|
|
| 7654 |
|
|
/*
|
| 7655 |
|
|
* Mask the data and do the comparison
|
| 7656 |
|
|
*/
|
| 7657 |
|
|
if (status == JAMC_SUCCESS)
|
| 7658 |
|
|
{
|
| 7659 |
|
|
for (bit = 0; (bit < signal_count) && result; ++bit)
|
| 7660 |
|
|
{
|
| 7661 |
|
|
actual = temp_array[bit >> 5] & (1L << (bit & 0x1f)) ? 1 : 0;
|
| 7662 |
|
|
expected = comp_data[(bit + comp_start_index) >> 5]
|
| 7663 |
|
|
& (1L << ((bit + comp_start_index) & 0x1f)) ? 1 : 0;
|
| 7664 |
|
|
mask = mask_data[(bit + mask_start_index) >> 5]
|
| 7665 |
|
|
& (1L << ((bit + mask_start_index) & 0x1f)) ? 1 : 0;
|
| 7666 |
|
|
|
| 7667 |
|
|
if ((actual & mask) != (expected & mask))
|
| 7668 |
|
|
{
|
| 7669 |
|
|
result = FALSE;
|
| 7670 |
|
|
}
|
| 7671 |
|
|
}
|
| 7672 |
|
|
|
| 7673 |
|
|
symbol_record->value = result ? 1L : 0L;
|
| 7674 |
|
|
}
|
| 7675 |
|
|
|
| 7676 |
|
|
if (temp_array != NULL) jam_free_temp_workspace(temp_array);
|
| 7677 |
|
|
|
| 7678 |
|
|
return (status);
|
| 7679 |
|
|
}
|
| 7680 |
|
|
|
| 7681 |
|
|
/****************************************************************************/
|
| 7682 |
|
|
/* */
|
| 7683 |
|
|
|
| 7684 |
|
|
JAM_RETURN_TYPE jam_process_vector
|
| 7685 |
|
|
(
|
| 7686 |
|
|
char *statement_buffer
|
| 7687 |
|
|
)
|
| 7688 |
|
|
|
| 7689 |
|
|
/* */
|
| 7690 |
|
|
/* Description: Applies signals to non-JTAG hardware interface. There */
|
| 7691 |
|
|
/* are three versions: output only, compare, and capture. */
|
| 7692 |
|
|
/* */
|
| 7693 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 7694 |
|
|
/* */
|
| 7695 |
|
|
/****************************************************************************/
|
| 7696 |
|
|
{
|
| 7697 |
|
|
/* syntax: VECTOR <dir>, <data>; */
|
| 7698 |
|
|
/* or: VECTOR <dir>, <data>, CAPTURE <capture> ; */
|
| 7699 |
|
|
/* or: VECTOR <dir>, <data>, COMPARE <expected>, <mask>, <result> ; */
|
| 7700 |
|
|
|
| 7701 |
|
|
int index = 0;
|
| 7702 |
|
|
int expr_begin = 0;
|
| 7703 |
|
|
int expr_end = 0;
|
| 7704 |
|
|
int delimiter = 0;
|
| 7705 |
|
|
long dir_start_index = 0L;
|
| 7706 |
|
|
long dir_stop_index = 0L;
|
| 7707 |
|
|
long data_start_index = 0L;
|
| 7708 |
|
|
long data_stop_index = 0L;
|
| 7709 |
|
|
char save_ch = 0;
|
| 7710 |
|
|
long *dir_vector = NULL;
|
| 7711 |
|
|
long *data_vector = NULL;
|
| 7712 |
|
|
long *literal_array_data = NULL;
|
| 7713 |
|
|
JAMS_SYMBOL_RECORD *symbol_record = NULL;
|
| 7714 |
|
|
JAMS_HEAP_RECORD *heap_record = NULL;
|
| 7715 |
|
|
JAM_RETURN_TYPE status = JAMC_SYNTAX_ERROR;
|
| 7716 |
|
|
|
| 7717 |
|
|
if ((jam_version == 2) && (jam_phase != JAM_PROCEDURE_PHASE))
|
| 7718 |
|
|
{
|
| 7719 |
|
|
return (JAMC_PHASE_ERROR);
|
| 7720 |
|
|
}
|
| 7721 |
|
|
|
| 7722 |
|
|
index = jam_skip_instruction_name(statement_buffer);
|
| 7723 |
|
|
|
| 7724 |
|
|
/*
|
| 7725 |
|
|
* Get direction vector
|
| 7726 |
|
|
*/
|
| 7727 |
|
|
status = jam_find_argument(&statement_buffer[index],
|
| 7728 |
|
|
&expr_begin, &expr_end, &delimiter);
|
| 7729 |
|
|
|
| 7730 |
|
|
expr_begin += index;
|
| 7731 |
|
|
expr_end += index;
|
| 7732 |
|
|
delimiter += index;
|
| 7733 |
|
|
|
| 7734 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 7735 |
|
|
(statement_buffer[delimiter] != JAMC_COMMA_CHAR))
|
| 7736 |
|
|
{
|
| 7737 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 7738 |
|
|
}
|
| 7739 |
|
|
|
| 7740 |
|
|
if (status == JAMC_SUCCESS)
|
| 7741 |
|
|
{
|
| 7742 |
|
|
save_ch = statement_buffer[expr_end];
|
| 7743 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 7744 |
|
|
status = jam_get_array_argument(&statement_buffer[expr_begin],
|
| 7745 |
|
|
&symbol_record, &literal_array_data,
|
| 7746 |
|
|
&dir_start_index, &dir_stop_index, 0);
|
| 7747 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 7748 |
|
|
}
|
| 7749 |
|
|
|
| 7750 |
|
|
if (status == JAMC_SUCCESS)
|
| 7751 |
|
|
{
|
| 7752 |
|
|
if (symbol_record != NULL)
|
| 7753 |
|
|
{
|
| 7754 |
|
|
heap_record = (JAMS_HEAP_RECORD *)symbol_record->value;
|
| 7755 |
|
|
|
| 7756 |
|
|
if (heap_record != NULL)
|
| 7757 |
|
|
{
|
| 7758 |
|
|
dir_vector = heap_record->data;
|
| 7759 |
|
|
}
|
| 7760 |
|
|
else
|
| 7761 |
|
|
{
|
| 7762 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 7763 |
|
|
}
|
| 7764 |
|
|
}
|
| 7765 |
|
|
else if (literal_array_data != NULL)
|
| 7766 |
|
|
{
|
| 7767 |
|
|
dir_vector = literal_array_data;
|
| 7768 |
|
|
}
|
| 7769 |
|
|
else
|
| 7770 |
|
|
{
|
| 7771 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 7772 |
|
|
}
|
| 7773 |
|
|
}
|
| 7774 |
|
|
|
| 7775 |
|
|
/*
|
| 7776 |
|
|
* Get data vector
|
| 7777 |
|
|
*/
|
| 7778 |
|
|
if (status == JAMC_SUCCESS)
|
| 7779 |
|
|
{
|
| 7780 |
|
|
index = delimiter + 1;
|
| 7781 |
|
|
status = jam_find_argument(&statement_buffer[index],
|
| 7782 |
|
|
&expr_begin, &expr_end, &delimiter);
|
| 7783 |
|
|
|
| 7784 |
|
|
expr_begin += index;
|
| 7785 |
|
|
expr_end += index;
|
| 7786 |
|
|
delimiter += index;
|
| 7787 |
|
|
}
|
| 7788 |
|
|
|
| 7789 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 7790 |
|
|
(statement_buffer[delimiter] != JAMC_COMMA_CHAR) &&
|
| 7791 |
|
|
(statement_buffer[delimiter] != JAMC_SEMICOLON_CHAR))
|
| 7792 |
|
|
{
|
| 7793 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 7794 |
|
|
}
|
| 7795 |
|
|
|
| 7796 |
|
|
if (status == JAMC_SUCCESS)
|
| 7797 |
|
|
{
|
| 7798 |
|
|
save_ch = statement_buffer[expr_end];
|
| 7799 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 7800 |
|
|
status = jam_get_array_argument(&statement_buffer[expr_begin],
|
| 7801 |
|
|
&symbol_record, &literal_array_data,
|
| 7802 |
|
|
&data_start_index, &data_stop_index, 1);
|
| 7803 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 7804 |
|
|
}
|
| 7805 |
|
|
|
| 7806 |
|
|
if (status == JAMC_SUCCESS)
|
| 7807 |
|
|
{
|
| 7808 |
|
|
if (symbol_record != NULL)
|
| 7809 |
|
|
{
|
| 7810 |
|
|
heap_record = (JAMS_HEAP_RECORD *)symbol_record->value;
|
| 7811 |
|
|
|
| 7812 |
|
|
if (heap_record != NULL)
|
| 7813 |
|
|
{
|
| 7814 |
|
|
data_vector = heap_record->data;
|
| 7815 |
|
|
}
|
| 7816 |
|
|
else
|
| 7817 |
|
|
{
|
| 7818 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 7819 |
|
|
}
|
| 7820 |
|
|
}
|
| 7821 |
|
|
else if (literal_array_data != NULL)
|
| 7822 |
|
|
{
|
| 7823 |
|
|
data_vector = literal_array_data;
|
| 7824 |
|
|
}
|
| 7825 |
|
|
else
|
| 7826 |
|
|
{
|
| 7827 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 7828 |
|
|
}
|
| 7829 |
|
|
}
|
| 7830 |
|
|
|
| 7831 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 7832 |
|
|
(statement_buffer[delimiter] == JAMC_SEMICOLON_CHAR))
|
| 7833 |
|
|
{
|
| 7834 |
|
|
/*
|
| 7835 |
|
|
* Do a simple VECTOR operation -- no capture or compare
|
| 7836 |
|
|
*/
|
| 7837 |
|
|
if (jam_vector_io(jam_vector_signal_count,
|
| 7838 |
|
|
dir_vector, data_vector, NULL) != jam_vector_signal_count)
|
| 7839 |
|
|
{
|
| 7840 |
|
|
status = JAMC_INTERNAL_ERROR;
|
| 7841 |
|
|
}
|
| 7842 |
|
|
}
|
| 7843 |
|
|
else if ((status == JAMC_SUCCESS) &&
|
| 7844 |
|
|
(statement_buffer[delimiter] == JAMC_COMMA_CHAR))
|
| 7845 |
|
|
{
|
| 7846 |
|
|
/*
|
| 7847 |
|
|
* Delimiter was a COMMA, so look for CAPTURE or COMPARE keyword
|
| 7848 |
|
|
*/
|
| 7849 |
|
|
index = delimiter + 1;
|
| 7850 |
|
|
while (jam_isspace(statement_buffer[index]))
|
| 7851 |
|
|
{
|
| 7852 |
|
|
++index; /* skip over white space */
|
| 7853 |
|
|
}
|
| 7854 |
|
|
|
| 7855 |
|
|
if ((jam_strncmp(&statement_buffer[index], "CAPTURE", 7) == 0) &&
|
| 7856 |
|
|
(jam_isspace(statement_buffer[index + 7])))
|
| 7857 |
|
|
{
|
| 7858 |
|
|
/*
|
| 7859 |
|
|
* Do a VECTOR with capture
|
| 7860 |
|
|
*/
|
| 7861 |
|
|
status = jam_process_vector_capture(&statement_buffer[index + 8],
|
| 7862 |
|
|
jam_vector_signal_count, dir_vector, data_vector);
|
| 7863 |
|
|
}
|
| 7864 |
|
|
else if ((jam_strncmp(&statement_buffer[index], "COMPARE", 7) == 0) &&
|
| 7865 |
|
|
(jam_isspace(statement_buffer[index + 7])))
|
| 7866 |
|
|
{
|
| 7867 |
|
|
/*
|
| 7868 |
|
|
* Do a VECTOR with compare
|
| 7869 |
|
|
*/
|
| 7870 |
|
|
status = jam_process_vector_compare(&statement_buffer[index + 8],
|
| 7871 |
|
|
jam_vector_signal_count, dir_vector, data_vector);
|
| 7872 |
|
|
}
|
| 7873 |
|
|
else
|
| 7874 |
|
|
{
|
| 7875 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 7876 |
|
|
}
|
| 7877 |
|
|
}
|
| 7878 |
|
|
|
| 7879 |
|
|
return (status);
|
| 7880 |
|
|
}
|
| 7881 |
|
|
|
| 7882 |
|
|
/****************************************************************************/
|
| 7883 |
|
|
/* */
|
| 7884 |
|
|
|
| 7885 |
|
|
#define JAMC_MAX_VECTOR_SIGNALS 256
|
| 7886 |
|
|
|
| 7887 |
|
|
JAM_RETURN_TYPE jam_process_vmap
|
| 7888 |
|
|
(
|
| 7889 |
|
|
char *statement_buffer
|
| 7890 |
|
|
)
|
| 7891 |
|
|
|
| 7892 |
|
|
/* */
|
| 7893 |
|
|
/* Description: Sets signal mapping for non-JTAG hardware interface. */
|
| 7894 |
|
|
/* */
|
| 7895 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 7896 |
|
|
/* */
|
| 7897 |
|
|
/****************************************************************************/
|
| 7898 |
|
|
{
|
| 7899 |
|
|
int index = 0;
|
| 7900 |
|
|
int signal_count = 0;
|
| 7901 |
|
|
char *signal_names[JAMC_MAX_VECTOR_SIGNALS];
|
| 7902 |
|
|
JAM_RETURN_TYPE status = JAMC_SUCCESS;
|
| 7903 |
|
|
|
| 7904 |
|
|
if ((jam_version == 2) && (jam_phase != JAM_PROCEDURE_PHASE))
|
| 7905 |
|
|
{
|
| 7906 |
|
|
return (JAMC_PHASE_ERROR);
|
| 7907 |
|
|
}
|
| 7908 |
|
|
|
| 7909 |
|
|
index = jam_skip_instruction_name(statement_buffer);
|
| 7910 |
|
|
|
| 7911 |
|
|
while ((statement_buffer[index] != JAMC_SEMICOLON_CHAR) &&
|
| 7912 |
|
|
(status == JAMC_SUCCESS) &&
|
| 7913 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH) &&
|
| 7914 |
|
|
(signal_count < JAMC_MAX_VECTOR_SIGNALS))
|
| 7915 |
|
|
{
|
| 7916 |
|
|
/*
|
| 7917 |
|
|
* Get signal names from statement, add NULL terminination characters,
|
| 7918 |
|
|
* and save a pointer to each name
|
| 7919 |
|
|
*/
|
| 7920 |
|
|
if (statement_buffer[index] == JAMC_QUOTE_CHAR)
|
| 7921 |
|
|
{
|
| 7922 |
|
|
++index;
|
| 7923 |
|
|
signal_names[signal_count] = &statement_buffer[index];
|
| 7924 |
|
|
while ((statement_buffer[index] != JAMC_QUOTE_CHAR) &&
|
| 7925 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 7926 |
|
|
{
|
| 7927 |
|
|
++index;
|
| 7928 |
|
|
}
|
| 7929 |
|
|
if (statement_buffer[index] == JAMC_QUOTE_CHAR)
|
| 7930 |
|
|
{
|
| 7931 |
|
|
statement_buffer[index] = JAMC_NULL_CHAR;
|
| 7932 |
|
|
++index;
|
| 7933 |
|
|
|
| 7934 |
|
|
if (*signal_names[signal_count] == JAMC_NULL_CHAR)
|
| 7935 |
|
|
{
|
| 7936 |
|
|
/* check for empty string */
|
| 7937 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 7938 |
|
|
}
|
| 7939 |
|
|
else
|
| 7940 |
|
|
{
|
| 7941 |
|
|
++signal_count;
|
| 7942 |
|
|
}
|
| 7943 |
|
|
}
|
| 7944 |
|
|
else
|
| 7945 |
|
|
{
|
| 7946 |
|
|
/* terminating quote character not found */
|
| 7947 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 7948 |
|
|
}
|
| 7949 |
|
|
}
|
| 7950 |
|
|
else
|
| 7951 |
|
|
{
|
| 7952 |
|
|
/* argument is not a quoted string */
|
| 7953 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 7954 |
|
|
}
|
| 7955 |
|
|
|
| 7956 |
|
|
if (status == JAMC_SUCCESS)
|
| 7957 |
|
|
{
|
| 7958 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 7959 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 7960 |
|
|
{
|
| 7961 |
|
|
++index; /* skip over white space */
|
| 7962 |
|
|
}
|
| 7963 |
|
|
|
| 7964 |
|
|
if (statement_buffer[index] == JAMC_COMMA_CHAR)
|
| 7965 |
|
|
{
|
| 7966 |
|
|
/*
|
| 7967 |
|
|
* Skip over comma and white space to process next argument
|
| 7968 |
|
|
*/
|
| 7969 |
|
|
++index;
|
| 7970 |
|
|
while ((jam_isspace(statement_buffer[index])) &&
|
| 7971 |
|
|
(index < JAMC_MAX_STATEMENT_LENGTH))
|
| 7972 |
|
|
{
|
| 7973 |
|
|
++index; /* skip over white space */
|
| 7974 |
|
|
}
|
| 7975 |
|
|
}
|
| 7976 |
|
|
else if (statement_buffer[index] != JAMC_SEMICOLON_CHAR)
|
| 7977 |
|
|
{
|
| 7978 |
|
|
/*
|
| 7979 |
|
|
* If no comma to seperate arguments, statement must be
|
| 7980 |
|
|
* terminated by a semicolon
|
| 7981 |
|
|
*/
|
| 7982 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 7983 |
|
|
}
|
| 7984 |
|
|
}
|
| 7985 |
|
|
}
|
| 7986 |
|
|
|
| 7987 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 7988 |
|
|
(statement_buffer[index] != JAMC_SEMICOLON_CHAR))
|
| 7989 |
|
|
{
|
| 7990 |
|
|
/* exceeded statement buffer length or signal count limit */
|
| 7991 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 7992 |
|
|
}
|
| 7993 |
|
|
|
| 7994 |
|
|
if (status == JAMC_SUCCESS)
|
| 7995 |
|
|
{
|
| 7996 |
|
|
if (jam_version == 2)
|
| 7997 |
|
|
{
|
| 7998 |
|
|
/* For Jam 2.0, reverse the order of the signal names */
|
| 7999 |
|
|
for (index = signal_count / 2; index > 0; --index)
|
| 8000 |
|
|
{
|
| 8001 |
|
|
signal_names[signal_count] = signal_names[index - 1];
|
| 8002 |
|
|
signal_names[index - 1] = signal_names[signal_count - index];
|
| 8003 |
|
|
signal_names[signal_count - index] = signal_names[signal_count];
|
| 8004 |
|
|
}
|
| 8005 |
|
|
}
|
| 8006 |
|
|
|
| 8007 |
|
|
if (jam_vector_map(signal_count, signal_names) == signal_count)
|
| 8008 |
|
|
{
|
| 8009 |
|
|
jam_vector_signal_count = signal_count;
|
| 8010 |
|
|
}
|
| 8011 |
|
|
else
|
| 8012 |
|
|
{
|
| 8013 |
|
|
status = JAMC_VECTOR_MAP_FAILED;
|
| 8014 |
|
|
jam_vector_signal_count = 0;
|
| 8015 |
|
|
}
|
| 8016 |
|
|
}
|
| 8017 |
|
|
|
| 8018 |
|
|
return (status);
|
| 8019 |
|
|
}
|
| 8020 |
|
|
|
| 8021 |
|
|
/****************************************************************************/
|
| 8022 |
|
|
/* */
|
| 8023 |
|
|
|
| 8024 |
|
|
JAM_RETURN_TYPE jam_process_wait_cycles
|
| 8025 |
|
|
(
|
| 8026 |
|
|
char *statement_buffer,
|
| 8027 |
|
|
JAME_JTAG_STATE wait_state
|
| 8028 |
|
|
)
|
| 8029 |
|
|
|
| 8030 |
|
|
/* */
|
| 8031 |
|
|
/* Description: Causes JTAG hardware to loop in the specified stable */
|
| 8032 |
|
|
/* state for the specified number of TCK clock cycles. */
|
| 8033 |
|
|
/* */
|
| 8034 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 8035 |
|
|
/* */
|
| 8036 |
|
|
/****************************************************************************/
|
| 8037 |
|
|
{
|
| 8038 |
|
|
long cycles = 0L;
|
| 8039 |
|
|
JAME_EXPRESSION_TYPE expr_type = JAM_ILLEGAL_EXPR_TYPE;
|
| 8040 |
|
|
JAM_RETURN_TYPE status = JAMC_SUCCESS;
|
| 8041 |
|
|
|
| 8042 |
|
|
/*
|
| 8043 |
|
|
* Call parser to evaluate expression
|
| 8044 |
|
|
*/
|
| 8045 |
|
|
status = jam_evaluate_expression(statement_buffer, &cycles, &expr_type);
|
| 8046 |
|
|
|
| 8047 |
|
|
/*
|
| 8048 |
|
|
* Check for integer expression
|
| 8049 |
|
|
*/
|
| 8050 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 8051 |
|
|
(expr_type != JAM_INTEGER_EXPR) &&
|
| 8052 |
|
|
(expr_type != JAM_INT_OR_BOOL_EXPR))
|
| 8053 |
|
|
{
|
| 8054 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 8055 |
|
|
}
|
| 8056 |
|
|
|
| 8057 |
|
|
/*
|
| 8058 |
|
|
* Do the JTAG hardware operation
|
| 8059 |
|
|
*/
|
| 8060 |
|
|
if (status == JAMC_SUCCESS)
|
| 8061 |
|
|
{
|
| 8062 |
|
|
status = jam_do_wait_cycles(cycles, wait_state);
|
| 8063 |
|
|
}
|
| 8064 |
|
|
|
| 8065 |
|
|
return (status);
|
| 8066 |
|
|
}
|
| 8067 |
|
|
|
| 8068 |
|
|
/****************************************************************************/
|
| 8069 |
|
|
/* */
|
| 8070 |
|
|
|
| 8071 |
|
|
JAM_RETURN_TYPE jam_process_wait_microseconds
|
| 8072 |
|
|
(
|
| 8073 |
|
|
char *statement_buffer,
|
| 8074 |
|
|
JAME_JTAG_STATE wait_state
|
| 8075 |
|
|
)
|
| 8076 |
|
|
|
| 8077 |
|
|
/* */
|
| 8078 |
|
|
/* Description: Causes JTAG hardware to sit in the specified stable */
|
| 8079 |
|
|
/* state for the specified duration of real time. */
|
| 8080 |
|
|
/* */
|
| 8081 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 8082 |
|
|
/* */
|
| 8083 |
|
|
/****************************************************************************/
|
| 8084 |
|
|
{
|
| 8085 |
|
|
long microseconds = 0L;
|
| 8086 |
|
|
JAME_EXPRESSION_TYPE expr_type = JAM_ILLEGAL_EXPR_TYPE;
|
| 8087 |
|
|
JAM_RETURN_TYPE status = JAMC_SUCCESS;
|
| 8088 |
|
|
|
| 8089 |
|
|
/*
|
| 8090 |
|
|
* Call parser to evaluate expression
|
| 8091 |
|
|
*/
|
| 8092 |
|
|
status = jam_evaluate_expression(statement_buffer, µseconds,
|
| 8093 |
|
|
&expr_type);
|
| 8094 |
|
|
|
| 8095 |
|
|
/*
|
| 8096 |
|
|
* Check for integer expression
|
| 8097 |
|
|
*/
|
| 8098 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 8099 |
|
|
(expr_type != JAM_INTEGER_EXPR) &&
|
| 8100 |
|
|
(expr_type != JAM_INT_OR_BOOL_EXPR))
|
| 8101 |
|
|
{
|
| 8102 |
|
|
status = JAMC_TYPE_MISMATCH;
|
| 8103 |
|
|
}
|
| 8104 |
|
|
|
| 8105 |
|
|
/*
|
| 8106 |
|
|
* Do the JTAG hardware operation
|
| 8107 |
|
|
*/
|
| 8108 |
|
|
if (status == JAMC_SUCCESS)
|
| 8109 |
|
|
{
|
| 8110 |
|
|
status = jam_do_wait_microseconds(microseconds, wait_state);
|
| 8111 |
|
|
}
|
| 8112 |
|
|
|
| 8113 |
|
|
return (status);
|
| 8114 |
|
|
}
|
| 8115 |
|
|
|
| 8116 |
|
|
/****************************************************************************/
|
| 8117 |
|
|
/* */
|
| 8118 |
|
|
|
| 8119 |
|
|
JAM_RETURN_TYPE jam_process_wait
|
| 8120 |
|
|
(
|
| 8121 |
|
|
char *statement_buffer
|
| 8122 |
|
|
)
|
| 8123 |
|
|
|
| 8124 |
|
|
/* */
|
| 8125 |
|
|
/* Description: Processes WAIT statement */
|
| 8126 |
|
|
/* */
|
| 8127 |
|
|
/* syntax: WAIT [<wait-state>,] [<integer-expr> CYCLES,] */
|
| 8128 |
|
|
/* [<integer-expr> USEC,] [<end-state>]; */
|
| 8129 |
|
|
/* */
|
| 8130 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 8131 |
|
|
/* */
|
| 8132 |
|
|
/****************************************************************************/
|
| 8133 |
|
|
{
|
| 8134 |
|
|
int index = 0;
|
| 8135 |
|
|
int expr_begin = 0;
|
| 8136 |
|
|
int expr_end = 0;
|
| 8137 |
|
|
int delimiter = 0;
|
| 8138 |
|
|
char save_ch = 0;
|
| 8139 |
|
|
BOOL found_wait_state = FALSE;
|
| 8140 |
|
|
BOOL found_condition = FALSE;
|
| 8141 |
|
|
BOOL found_end_state = FALSE;
|
| 8142 |
|
|
JAME_JTAG_STATE state = JAM_ILLEGAL_JTAG_STATE;
|
| 8143 |
|
|
JAME_JTAG_STATE wait_state = IDLE;
|
| 8144 |
|
|
JAME_JTAG_STATE end_state = IDLE;
|
| 8145 |
|
|
JAM_RETURN_TYPE status = JAMC_SYNTAX_ERROR;
|
| 8146 |
|
|
|
| 8147 |
|
|
if ((jam_version == 2) && (jam_phase != JAM_PROCEDURE_PHASE))
|
| 8148 |
|
|
{
|
| 8149 |
|
|
return (JAMC_PHASE_ERROR);
|
| 8150 |
|
|
}
|
| 8151 |
|
|
|
| 8152 |
|
|
index = jam_skip_instruction_name(statement_buffer);
|
| 8153 |
|
|
|
| 8154 |
|
|
do
|
| 8155 |
|
|
{
|
| 8156 |
|
|
/*
|
| 8157 |
|
|
* Get next argument
|
| 8158 |
|
|
*/
|
| 8159 |
|
|
status = jam_find_argument(&statement_buffer[index],
|
| 8160 |
|
|
&expr_begin, &expr_end, &delimiter);
|
| 8161 |
|
|
|
| 8162 |
|
|
if (status == JAMC_SUCCESS)
|
| 8163 |
|
|
{
|
| 8164 |
|
|
expr_begin += index;
|
| 8165 |
|
|
expr_end += index;
|
| 8166 |
|
|
delimiter += index;
|
| 8167 |
|
|
|
| 8168 |
|
|
save_ch = statement_buffer[expr_end];
|
| 8169 |
|
|
statement_buffer[expr_end] = JAMC_NULL_CHAR;
|
| 8170 |
|
|
state = jam_get_jtag_state_from_name(&statement_buffer[expr_begin]);
|
| 8171 |
|
|
|
| 8172 |
|
|
if (state == JAM_ILLEGAL_JTAG_STATE)
|
| 8173 |
|
|
{
|
| 8174 |
|
|
/* first argument was not a JTAG state name */
|
| 8175 |
|
|
index = expr_end - 1;
|
| 8176 |
|
|
while ((index > expr_begin) &&
|
| 8177 |
|
|
(!jam_isspace(statement_buffer[index])))
|
| 8178 |
|
|
{
|
| 8179 |
|
|
--index;
|
| 8180 |
|
|
}
|
| 8181 |
|
|
if ((index > expr_begin) &&
|
| 8182 |
|
|
(jam_isspace(statement_buffer[index])))
|
| 8183 |
|
|
{
|
| 8184 |
|
|
++index;
|
| 8185 |
|
|
|
| 8186 |
|
|
if (jam_strcmp(&statement_buffer[index], "CYCLES") == 0)
|
| 8187 |
|
|
{
|
| 8188 |
|
|
statement_buffer[index] = JAMC_NULL_CHAR;
|
| 8189 |
|
|
status = jam_process_wait_cycles(
|
| 8190 |
|
|
&statement_buffer[expr_begin], wait_state);
|
| 8191 |
|
|
statement_buffer[index] = 'C';
|
| 8192 |
|
|
}
|
| 8193 |
|
|
else if (jam_strcmp(&statement_buffer[index], "USEC") == 0)
|
| 8194 |
|
|
{
|
| 8195 |
|
|
statement_buffer[index] = JAMC_NULL_CHAR;
|
| 8196 |
|
|
status = jam_process_wait_microseconds(
|
| 8197 |
|
|
&statement_buffer[expr_begin], wait_state);
|
| 8198 |
|
|
statement_buffer[index] = 'U';
|
| 8199 |
|
|
}
|
| 8200 |
|
|
else
|
| 8201 |
|
|
{
|
| 8202 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 8203 |
|
|
}
|
| 8204 |
|
|
|
| 8205 |
|
|
found_condition = TRUE;
|
| 8206 |
|
|
}
|
| 8207 |
|
|
|
| 8208 |
|
|
index = delimiter + 1;
|
| 8209 |
|
|
}
|
| 8210 |
|
|
else
|
| 8211 |
|
|
{
|
| 8212 |
|
|
/* argument was a JTAG state name */
|
| 8213 |
|
|
if ((!found_condition) && (!found_wait_state))
|
| 8214 |
|
|
{
|
| 8215 |
|
|
wait_state = state;
|
| 8216 |
|
|
found_wait_state = TRUE;
|
| 8217 |
|
|
}
|
| 8218 |
|
|
else if ((found_condition) && (!found_end_state))
|
| 8219 |
|
|
{
|
| 8220 |
|
|
end_state = state;
|
| 8221 |
|
|
found_end_state = TRUE;
|
| 8222 |
|
|
}
|
| 8223 |
|
|
else
|
| 8224 |
|
|
{
|
| 8225 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 8226 |
|
|
}
|
| 8227 |
|
|
|
| 8228 |
|
|
index = delimiter + 1;
|
| 8229 |
|
|
}
|
| 8230 |
|
|
|
| 8231 |
|
|
statement_buffer[expr_end] = save_ch;
|
| 8232 |
|
|
}
|
| 8233 |
|
|
}
|
| 8234 |
|
|
while ((status == JAMC_SUCCESS) &&
|
| 8235 |
|
|
(statement_buffer[delimiter] == JAMC_COMMA_CHAR));
|
| 8236 |
|
|
|
| 8237 |
|
|
if ((status == JAMC_SUCCESS) &&
|
| 8238 |
|
|
(statement_buffer[delimiter] != JAMC_SEMICOLON_CHAR))
|
| 8239 |
|
|
{
|
| 8240 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 8241 |
|
|
}
|
| 8242 |
|
|
|
| 8243 |
|
|
if ((status == JAMC_SUCCESS) && (!found_condition))
|
| 8244 |
|
|
{
|
| 8245 |
|
|
/* there must have been at least one condition argument */
|
| 8246 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 8247 |
|
|
}
|
| 8248 |
|
|
|
| 8249 |
|
|
/*
|
| 8250 |
|
|
* If end state was specified, go there
|
| 8251 |
|
|
*/
|
| 8252 |
|
|
if ((status == JAMC_SUCCESS) && (end_state != IDLE))
|
| 8253 |
|
|
{
|
| 8254 |
|
|
status = jam_goto_jtag_state(end_state);
|
| 8255 |
|
|
}
|
| 8256 |
|
|
|
| 8257 |
|
|
return (status);
|
| 8258 |
|
|
}
|
| 8259 |
|
|
|
| 8260 |
|
|
void jam_free_literal_aca_buffers(void)
|
| 8261 |
|
|
{
|
| 8262 |
|
|
int i;
|
| 8263 |
|
|
|
| 8264 |
|
|
for (i = 0; i < JAMC_MAX_LITERAL_ARRAYS; ++i)
|
| 8265 |
|
|
{
|
| 8266 |
|
|
if (jam_literal_aca_buffer[i] != NULL)
|
| 8267 |
|
|
{
|
| 8268 |
|
|
jam_free(jam_literal_aca_buffer[i]);
|
| 8269 |
|
|
jam_literal_aca_buffer[i] = NULL;
|
| 8270 |
|
|
}
|
| 8271 |
|
|
}
|
| 8272 |
|
|
}
|
| 8273 |
|
|
|
| 8274 |
|
|
/****************************************************************************/
|
| 8275 |
|
|
/* */
|
| 8276 |
|
|
|
| 8277 |
|
|
JAM_RETURN_TYPE jam_execute_statement
|
| 8278 |
|
|
(
|
| 8279 |
|
|
char *statement_buffer,
|
| 8280 |
|
|
BOOL *done,
|
| 8281 |
|
|
BOOL *reuse_statement_buffer,
|
| 8282 |
|
|
int *exit_code
|
| 8283 |
|
|
)
|
| 8284 |
|
|
|
| 8285 |
|
|
/* */
|
| 8286 |
|
|
/* Description: Processes a statement by calling the processing */
|
| 8287 |
|
|
/* sub-function which corresponds to the instruction type */
|
| 8288 |
|
|
/* */
|
| 8289 |
|
|
/* Returns: JAMC_SUCCESS for success, else appropriate error code */
|
| 8290 |
|
|
/* */
|
| 8291 |
|
|
/****************************************************************************/
|
| 8292 |
|
|
{
|
| 8293 |
|
|
JAME_INSTRUCTION instruction_code = JAM_ILLEGAL_INSTR;
|
| 8294 |
|
|
JAM_RETURN_TYPE status = JAMC_SUCCESS;
|
| 8295 |
|
|
|
| 8296 |
|
|
instruction_code = jam_get_instruction(statement_buffer);
|
| 8297 |
|
|
|
| 8298 |
|
|
switch (instruction_code)
|
| 8299 |
|
|
{
|
| 8300 |
|
|
case JAM_ACTION_INSTR:
|
| 8301 |
|
|
status = jam_process_action(statement_buffer, done, exit_code);
|
| 8302 |
|
|
break;
|
| 8303 |
|
|
|
| 8304 |
|
|
case JAM_BOOLEAN_INSTR:
|
| 8305 |
|
|
status = jam_process_boolean(statement_buffer);
|
| 8306 |
|
|
break;
|
| 8307 |
|
|
|
| 8308 |
|
|
case JAM_CALL_INSTR:
|
| 8309 |
|
|
status = jam_process_call_or_goto(statement_buffer, TRUE, done,
|
| 8310 |
|
|
exit_code);
|
| 8311 |
|
|
break;
|
| 8312 |
|
|
|
| 8313 |
|
|
case JAM_CRC_INSTR:
|
| 8314 |
|
|
status = JAMC_PHASE_ERROR;
|
| 8315 |
|
|
break;
|
| 8316 |
|
|
|
| 8317 |
|
|
case JAM_DATA_INSTR:
|
| 8318 |
|
|
status = jam_process_data(statement_buffer);
|
| 8319 |
|
|
break;
|
| 8320 |
|
|
|
| 8321 |
|
|
case JAM_DRSCAN_INSTR:
|
| 8322 |
|
|
status = jam_process_drscan(statement_buffer);
|
| 8323 |
|
|
break;
|
| 8324 |
|
|
|
| 8325 |
|
|
case JAM_DRSTOP_INSTR:
|
| 8326 |
|
|
status = jam_process_drstop(statement_buffer);
|
| 8327 |
|
|
break;
|
| 8328 |
|
|
|
| 8329 |
|
|
case JAM_ENDDATA_INSTR:
|
| 8330 |
|
|
status = jam_process_return(statement_buffer, TRUE);
|
| 8331 |
|
|
break;
|
| 8332 |
|
|
|
| 8333 |
|
|
case JAM_ENDPROC_INSTR:
|
| 8334 |
|
|
status = jam_process_return(statement_buffer, TRUE);
|
| 8335 |
|
|
break;
|
| 8336 |
|
|
|
| 8337 |
|
|
case JAM_EXIT_INSTR:
|
| 8338 |
|
|
status = jam_process_exit(statement_buffer, done, exit_code);
|
| 8339 |
|
|
break;
|
| 8340 |
|
|
|
| 8341 |
|
|
case JAM_EXPORT_INSTR:
|
| 8342 |
|
|
status = jam_process_export(statement_buffer);
|
| 8343 |
|
|
break;
|
| 8344 |
|
|
|
| 8345 |
|
|
case JAM_FOR_INSTR:
|
| 8346 |
|
|
status = jam_process_for(statement_buffer);
|
| 8347 |
|
|
break;
|
| 8348 |
|
|
|
| 8349 |
|
|
case JAM_FREQUENCY_INSTR:
|
| 8350 |
|
|
status = jam_process_frequency(statement_buffer);
|
| 8351 |
|
|
break;
|
| 8352 |
|
|
|
| 8353 |
|
|
case JAM_GOTO_INSTR:
|
| 8354 |
|
|
status = jam_process_call_or_goto(statement_buffer, FALSE, done,
|
| 8355 |
|
|
exit_code);
|
| 8356 |
|
|
break;
|
| 8357 |
|
|
|
| 8358 |
|
|
case JAM_IF_INSTR:
|
| 8359 |
|
|
status = jam_process_if(statement_buffer, reuse_statement_buffer);
|
| 8360 |
|
|
break;
|
| 8361 |
|
|
|
| 8362 |
|
|
case JAM_INTEGER_INSTR:
|
| 8363 |
|
|
status = jam_process_integer(statement_buffer);
|
| 8364 |
|
|
break;
|
| 8365 |
|
|
|
| 8366 |
|
|
case JAM_IRSCAN_INSTR:
|
| 8367 |
|
|
status = jam_process_irscan(statement_buffer);
|
| 8368 |
|
|
break;
|
| 8369 |
|
|
|
| 8370 |
|
|
case JAM_IRSTOP_INSTR:
|
| 8371 |
|
|
status = jam_process_irstop(statement_buffer);
|
| 8372 |
|
|
break;
|
| 8373 |
|
|
|
| 8374 |
|
|
case JAM_LET_INSTR:
|
| 8375 |
|
|
status = jam_process_assignment(statement_buffer, TRUE);
|
| 8376 |
|
|
break;
|
| 8377 |
|
|
|
| 8378 |
|
|
case JAM_NEXT_INSTR:
|
| 8379 |
|
|
status = jam_process_next(statement_buffer);
|
| 8380 |
|
|
break;
|
| 8381 |
|
|
|
| 8382 |
|
|
case JAM_NOTE_INSTR:
|
| 8383 |
|
|
/* ignore NOTE statements during execution */
|
| 8384 |
|
|
if (jam_phase == JAM_UNKNOWN_PHASE)
|
| 8385 |
|
|
{
|
| 8386 |
|
|
jam_phase = JAM_NOTE_PHASE;
|
| 8387 |
|
|
}
|
| 8388 |
|
|
if ((jam_version == 2) && (jam_phase != JAM_NOTE_PHASE))
|
| 8389 |
|
|
{
|
| 8390 |
|
|
status = JAMC_PHASE_ERROR;
|
| 8391 |
|
|
}
|
| 8392 |
|
|
break;
|
| 8393 |
|
|
|
| 8394 |
|
|
case JAM_PADDING_INSTR:
|
| 8395 |
|
|
status = jam_process_padding(statement_buffer);
|
| 8396 |
|
|
break;
|
| 8397 |
|
|
|
| 8398 |
|
|
case JAM_POP_INSTR:
|
| 8399 |
|
|
status = jam_process_pop(statement_buffer);
|
| 8400 |
|
|
break;
|
| 8401 |
|
|
|
| 8402 |
|
|
case JAM_POSTDR_INSTR:
|
| 8403 |
|
|
case JAM_POSTIR_INSTR:
|
| 8404 |
|
|
case JAM_PREDR_INSTR:
|
| 8405 |
|
|
case JAM_PREIR_INSTR:
|
| 8406 |
|
|
status = jam_process_pre_post(instruction_code, statement_buffer);
|
| 8407 |
|
|
break;
|
| 8408 |
|
|
|
| 8409 |
|
|
case JAM_PRINT_INSTR:
|
| 8410 |
|
|
status = jam_process_print(statement_buffer);
|
| 8411 |
|
|
break;
|
| 8412 |
|
|
|
| 8413 |
|
|
case JAM_PROCEDURE_INSTR:
|
| 8414 |
|
|
status = jam_process_procedure(statement_buffer);
|
| 8415 |
|
|
break;
|
| 8416 |
|
|
|
| 8417 |
|
|
case JAM_PUSH_INSTR:
|
| 8418 |
|
|
status = jam_process_push(statement_buffer);
|
| 8419 |
|
|
break;
|
| 8420 |
|
|
|
| 8421 |
|
|
case JAM_REM_INSTR:
|
| 8422 |
|
|
/* ignore REM statements during execution */
|
| 8423 |
|
|
break;
|
| 8424 |
|
|
|
| 8425 |
|
|
case JAM_RETURN_INSTR:
|
| 8426 |
|
|
status = jam_process_return(statement_buffer, FALSE);
|
| 8427 |
|
|
break;
|
| 8428 |
|
|
|
| 8429 |
|
|
case JAM_STATE_INSTR:
|
| 8430 |
|
|
status = jam_process_state(statement_buffer);
|
| 8431 |
|
|
break;
|
| 8432 |
|
|
|
| 8433 |
|
|
case JAM_TRST_INSTR:
|
| 8434 |
|
|
status = jam_process_trst(statement_buffer);
|
| 8435 |
|
|
break;
|
| 8436 |
|
|
|
| 8437 |
|
|
case JAM_VECTOR_INSTR:
|
| 8438 |
|
|
status = jam_process_vector(statement_buffer);
|
| 8439 |
|
|
break;
|
| 8440 |
|
|
|
| 8441 |
|
|
case JAM_VMAP_INSTR:
|
| 8442 |
|
|
status = jam_process_vmap(statement_buffer);
|
| 8443 |
|
|
break;
|
| 8444 |
|
|
|
| 8445 |
|
|
case JAM_WAIT_INSTR:
|
| 8446 |
|
|
status = jam_process_wait(statement_buffer);
|
| 8447 |
|
|
break;
|
| 8448 |
|
|
|
| 8449 |
|
|
default:
|
| 8450 |
|
|
if ((jam_version == 2) && (jam_check_assignment(statement_buffer)))
|
| 8451 |
|
|
{
|
| 8452 |
|
|
status = jam_process_assignment(statement_buffer, FALSE);
|
| 8453 |
|
|
}
|
| 8454 |
|
|
else
|
| 8455 |
|
|
{
|
| 8456 |
|
|
status = JAMC_SYNTAX_ERROR;
|
| 8457 |
|
|
}
|
| 8458 |
|
|
break;
|
| 8459 |
|
|
}
|
| 8460 |
|
|
|
| 8461 |
|
|
jam_free_literal_aca_buffers();
|
| 8462 |
|
|
|
| 8463 |
|
|
return (status);
|
| 8464 |
|
|
}
|
| 8465 |
|
|
|
| 8466 |
|
|
/****************************************************************************/
|
| 8467 |
|
|
/* */
|
| 8468 |
|
|
|
| 8469 |
|
|
long jam_get_line_of_position
|
| 8470 |
|
|
(
|
| 8471 |
|
|
long position
|
| 8472 |
|
|
)
|
| 8473 |
|
|
|
| 8474 |
|
|
/* */
|
| 8475 |
|
|
/* Description: Determines the line number in the input stream which */
|
| 8476 |
|
|
/* corresponds to the given position (offset) in the */
|
| 8477 |
|
|
/* stream. This is used for error reporting. */
|
| 8478 |
|
|
/* */
|
| 8479 |
|
|
/* Returns: line number, or zero if it could not be determined */
|
| 8480 |
|
|
/* */
|
| 8481 |
|
|
/****************************************************************************/
|
| 8482 |
|
|
{
|
| 8483 |
|
|
long line = 0L;
|
| 8484 |
|
|
long index = 0L;
|
| 8485 |
|
|
int ch;
|
| 8486 |
|
|
|
| 8487 |
|
|
if (jam_seek(0L) == 0)
|
| 8488 |
|
|
{
|
| 8489 |
|
|
++line; /* first line is line 1, not zero */
|
| 8490 |
|
|
|
| 8491 |
|
|
for (index = 0; index < position; ++index)
|
| 8492 |
|
|
{
|
| 8493 |
|
|
ch = jam_getc();
|
| 8494 |
|
|
|
| 8495 |
|
|
if (ch == JAMC_NEWLINE_CHAR)
|
| 8496 |
|
|
{
|
| 8497 |
|
|
++line;
|
| 8498 |
|
|
}
|
| 8499 |
|
|
}
|
| 8500 |
|
|
}
|
| 8501 |
|
|
|
| 8502 |
|
|
return (line);
|
| 8503 |
|
|
}
|
| 8504 |
|
|
|
| 8505 |
|
|
/****************************************************************************/
|
| 8506 |
|
|
/* */
|
| 8507 |
|
|
JAM_RETURN_TYPE jam_execute
|
| 8508 |
|
|
(
|
| 8509 |
|
|
char *program,
|
| 8510 |
|
|
long program_size,
|
| 8511 |
|
|
char *workspace,
|
| 8512 |
|
|
long workspace_size,
|
| 8513 |
|
|
char *action,
|
| 8514 |
|
|
char **init_list,
|
| 8515 |
|
|
int reset_jtag,
|
| 8516 |
|
|
long *error_line,
|
| 8517 |
|
|
int *exit_code,
|
| 8518 |
|
|
int *format_version
|
| 8519 |
|
|
)
|
| 8520 |
|
|
/* */
|
| 8521 |
|
|
/* Description: This is the main entry point for executing a JAM */
|
| 8522 |
|
|
/* program. It returns after execution has terminated. */
|
| 8523 |
|
|
/* The program data is not passed into this function, */
|
| 8524 |
|
|
/* but is accessed through the jam_getc() function. */
|
| 8525 |
|
|
/* */
|
| 8526 |
|
|
/* Return: JAMC_SUCCESS for successful execution, otherwise one */
|
| 8527 |
|
|
/* of the error codes listed in <jamexprt.h> */
|
| 8528 |
|
|
/* */
|
| 8529 |
|
|
/****************************************************************************/
|
| 8530 |
|
|
{
|
| 8531 |
|
|
JAM_RETURN_TYPE status = JAMC_SUCCESS;
|
| 8532 |
|
|
char *statement_buffer = NULL;
|
| 8533 |
|
|
char label_buffer[JAMC_MAX_NAME_LENGTH + 1];
|
| 8534 |
|
|
BOOL done = FALSE;
|
| 8535 |
|
|
BOOL reuse_statement_buffer = FALSE;
|
| 8536 |
|
|
int i = 0;
|
| 8537 |
|
|
|
| 8538 |
|
|
jam_program = program;
|
| 8539 |
|
|
jam_program_size = program_size;
|
| 8540 |
|
|
jam_workspace = workspace;
|
| 8541 |
|
|
jam_workspace_size = workspace_size;
|
| 8542 |
|
|
jam_action = action;
|
| 8543 |
|
|
jam_init_list = init_list;
|
| 8544 |
|
|
|
| 8545 |
|
|
jam_current_file_position = 0L;
|
| 8546 |
|
|
jam_current_statement_position = 0L;
|
| 8547 |
|
|
jam_next_statement_position = 0L;
|
| 8548 |
|
|
jam_vector_signal_count = 0;
|
| 8549 |
|
|
jam_version = 0;
|
| 8550 |
|
|
jam_phase = JAM_UNKNOWN_PHASE;
|
| 8551 |
|
|
jam_current_block = NULL;
|
| 8552 |
|
|
|
| 8553 |
|
|
for (i = 0; i < JAMC_MAX_LITERAL_ARRAYS; ++i)
|
| 8554 |
|
|
{
|
| 8555 |
|
|
jam_literal_aca_buffer[i] = NULL;
|
| 8556 |
|
|
}
|
| 8557 |
|
|
|
| 8558 |
|
|
/*
|
| 8559 |
|
|
* Ensure that workspace is DWORD aligned
|
| 8560 |
|
|
*/
|
| 8561 |
|
|
if (jam_workspace != NULL)
|
| 8562 |
|
|
{
|
| 8563 |
|
|
jam_workspace_size -= (((long)jam_workspace) & 3L);
|
| 8564 |
|
|
jam_workspace_size &= (~3L);
|
| 8565 |
|
|
jam_workspace = (char *) (((long)jam_workspace + 3L) & (~3L));
|
| 8566 |
|
|
}
|
| 8567 |
|
|
|
| 8568 |
|
|
/*
|
| 8569 |
|
|
* Initialize symbol table and stack
|
| 8570 |
|
|
*/
|
| 8571 |
|
|
status = jam_init_symbol_table();
|
| 8572 |
|
|
|
| 8573 |
|
|
if (status == JAMC_SUCCESS)
|
| 8574 |
|
|
{
|
| 8575 |
|
|
status = jam_init_stack();
|
| 8576 |
|
|
}
|
| 8577 |
|
|
|
| 8578 |
|
|
if (status == JAMC_SUCCESS)
|
| 8579 |
|
|
{
|
| 8580 |
|
|
status = jam_init_jtag();
|
| 8581 |
|
|
}
|
| 8582 |
|
|
|
| 8583 |
|
|
if (status == JAMC_SUCCESS)
|
| 8584 |
|
|
{
|
| 8585 |
|
|
status = jam_init_heap();
|
| 8586 |
|
|
}
|
| 8587 |
|
|
|
| 8588 |
|
|
if (status == JAMC_SUCCESS)
|
| 8589 |
|
|
{
|
| 8590 |
|
|
status = jam_seek(0L);
|
| 8591 |
|
|
}
|
| 8592 |
|
|
|
| 8593 |
|
|
if (status == JAMC_SUCCESS)
|
| 8594 |
|
|
{
|
| 8595 |
|
|
statement_buffer = jam_malloc(JAMC_MAX_STATEMENT_LENGTH + 1024);
|
| 8596 |
|
|
|
| 8597 |
|
|
if (statement_buffer == NULL)
|
| 8598 |
|
|
{
|
| 8599 |
|
|
status = JAMC_OUT_OF_MEMORY;
|
| 8600 |
|
|
}
|
| 8601 |
|
|
}
|
| 8602 |
|
|
|
| 8603 |
|
|
/*
|
| 8604 |
|
|
* Get program statements and execute them
|
| 8605 |
|
|
*/
|
| 8606 |
|
|
while ((!done) && (status == JAMC_SUCCESS))
|
| 8607 |
|
|
{
|
| 8608 |
|
|
if (!reuse_statement_buffer)
|
| 8609 |
|
|
{
|
| 8610 |
|
|
status = jam_get_statement
|
| 8611 |
|
|
(
|
| 8612 |
|
|
statement_buffer,
|
| 8613 |
|
|
label_buffer
|
| 8614 |
|
|
);
|
| 8615 |
|
|
|
| 8616 |
|
|
if ((status == JAMC_SUCCESS)
|
| 8617 |
|
|
&& (label_buffer[0] != JAMC_NULL_CHAR))
|
| 8618 |
|
|
{
|
| 8619 |
|
|
status = jam_add_symbol
|
| 8620 |
|
|
(
|
| 8621 |
|
|
JAM_LABEL,
|
| 8622 |
|
|
label_buffer,
|
| 8623 |
|
|
0L,
|
| 8624 |
|
|
jam_current_statement_position
|
| 8625 |
|
|
);
|
| 8626 |
|
|
}
|
| 8627 |
|
|
}
|
| 8628 |
|
|
else
|
| 8629 |
|
|
{
|
| 8630 |
|
|
/* statement buffer will be reused -- clear the flag */
|
| 8631 |
|
|
reuse_statement_buffer = FALSE;
|
| 8632 |
|
|
}
|
| 8633 |
|
|
|
| 8634 |
|
|
if (status == JAMC_SUCCESS)
|
| 8635 |
|
|
{
|
| 8636 |
|
|
status = jam_execute_statement
|
| 8637 |
|
|
(
|
| 8638 |
|
|
statement_buffer,
|
| 8639 |
|
|
&done,
|
| 8640 |
|
|
&reuse_statement_buffer,
|
| 8641 |
|
|
exit_code
|
| 8642 |
|
|
);
|
| 8643 |
|
|
}
|
| 8644 |
|
|
}
|
| 8645 |
|
|
|
| 8646 |
|
|
if ((status != JAMC_SUCCESS) && (error_line != NULL))
|
| 8647 |
|
|
{
|
| 8648 |
|
|
*error_line = jam_get_line_of_position(
|
| 8649 |
|
|
jam_current_statement_position);
|
| 8650 |
|
|
}
|
| 8651 |
|
|
|
| 8652 |
|
|
jam_free_literal_aca_buffers();
|
| 8653 |
|
|
jam_free_jtag_padding_buffers(reset_jtag);
|
| 8654 |
|
|
jam_free_heap();
|
| 8655 |
|
|
jam_free_stack();
|
| 8656 |
|
|
jam_free_symbol_table();
|
| 8657 |
|
|
|
| 8658 |
|
|
if (statement_buffer != NULL) jam_free(statement_buffer);
|
| 8659 |
|
|
|
| 8660 |
|
|
if (format_version != NULL) *format_version = jam_version;
|
| 8661 |
|
|
|
| 8662 |
|
|
return (status);
|
| 8663 |
|
|
}
|
