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330 |
jeremybenn |
/* Support for printing Fortran types for GDB, the GNU debugger.
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Copyright (C) 1986, 1988, 1989, 1991, 1993, 1994, 1995, 1996, 1998, 2000,
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2001, 2002, 2003, 2006, 2007, 2008, 2009, 2010
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Free Software Foundation, Inc.
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Contributed by Motorola. Adapted from the C version by Farooq Butt
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(fmbutt@engage.sps.mot.com).
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "gdb_obstack.h"
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#include "bfd.h"
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#include "symtab.h"
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#include "gdbtypes.h"
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#include "expression.h"
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#include "value.h"
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#include "gdbcore.h"
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#include "target.h"
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#include "f-lang.h"
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#include "gdb_string.h"
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#include <errno.h>
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#if 0 /* Currently unused */
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static void f_type_print_args (struct type *, struct ui_file *);
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#endif
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static void f_type_print_varspec_suffix (struct type *, struct ui_file *, int,
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int, int, int);
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void f_type_print_varspec_prefix (struct type *, struct ui_file *,
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int, int);
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void f_type_print_base (struct type *, struct ui_file *, int, int);
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51 |
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52 |
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/* LEVEL is the depth to indent lines by. */
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53 |
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void
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f_print_type (struct type *type, const char *varstring, struct ui_file *stream,
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int show, int level)
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{
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58 |
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enum type_code code;
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int demangled_args;
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60 |
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f_type_print_base (type, stream, show, level);
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code = TYPE_CODE (type);
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if ((varstring != NULL && *varstring != '\0')
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/* Need a space if going to print stars or brackets;
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but not if we will print just a type name. */
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|| ((show > 0 || TYPE_NAME (type) == 0)
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&& (code == TYPE_CODE_PTR || code == TYPE_CODE_FUNC
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|| code == TYPE_CODE_METHOD
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|| code == TYPE_CODE_ARRAY
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|| code == TYPE_CODE_REF)))
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fputs_filtered (" ", stream);
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f_type_print_varspec_prefix (type, stream, show, 0);
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if (varstring != NULL)
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{
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fputs_filtered (varstring, stream);
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77 |
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/* For demangled function names, we have the arglist as part of the name,
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so don't print an additional pair of ()'s */
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demangled_args = varstring[strlen (varstring) - 1] == ')';
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f_type_print_varspec_suffix (type, stream, show, 0, demangled_args, 0);
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}
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}
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/* Print any asterisks or open-parentheses needed before the
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variable name (to describe its type).
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On outermost call, pass 0 for PASSED_A_PTR.
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On outermost call, SHOW > 0 means should ignore
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any typename for TYPE and show its details.
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SHOW is always zero on recursive calls. */
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void
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f_type_print_varspec_prefix (struct type *type, struct ui_file *stream,
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int show, int passed_a_ptr)
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{
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if (type == 0)
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return;
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if (TYPE_NAME (type) && show <= 0)
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return;
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QUIT;
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switch (TYPE_CODE (type))
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{
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case TYPE_CODE_PTR:
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f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1);
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break;
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case TYPE_CODE_FUNC:
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f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0);
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if (passed_a_ptr)
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fprintf_filtered (stream, "(");
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break;
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case TYPE_CODE_ARRAY:
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f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0);
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break;
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case TYPE_CODE_UNDEF:
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case TYPE_CODE_STRUCT:
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case TYPE_CODE_UNION:
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case TYPE_CODE_ENUM:
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case TYPE_CODE_INT:
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case TYPE_CODE_FLT:
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case TYPE_CODE_VOID:
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case TYPE_CODE_ERROR:
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case TYPE_CODE_CHAR:
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case TYPE_CODE_BOOL:
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case TYPE_CODE_SET:
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case TYPE_CODE_RANGE:
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case TYPE_CODE_STRING:
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case TYPE_CODE_BITSTRING:
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case TYPE_CODE_METHOD:
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case TYPE_CODE_REF:
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case TYPE_CODE_COMPLEX:
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case TYPE_CODE_TYPEDEF:
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/* These types need no prefix. They are listed here so that
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gcc -Wall will reveal any types that haven't been handled. */
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break;
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143 |
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}
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144 |
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}
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145 |
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146 |
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/* Print any array sizes, function arguments or close parentheses
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needed after the variable name (to describe its type).
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Args work like c_type_print_varspec_prefix. */
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149 |
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150 |
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static void
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151 |
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f_type_print_varspec_suffix (struct type *type, struct ui_file *stream,
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152 |
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int show, int passed_a_ptr, int demangled_args,
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int arrayprint_recurse_level)
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{
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155 |
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int upper_bound, lower_bound;
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/* No static variables are permitted as an error call may occur during
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158 |
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execution of this function. */
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159 |
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if (type == 0)
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return;
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162 |
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if (TYPE_NAME (type) && show <= 0)
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return;
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QUIT;
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switch (TYPE_CODE (type))
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{
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case TYPE_CODE_ARRAY:
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arrayprint_recurse_level++;
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if (arrayprint_recurse_level == 1)
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fprintf_filtered (stream, "(");
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if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_ARRAY)
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f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0,
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arrayprint_recurse_level);
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179 |
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lower_bound = f77_get_lowerbound (type);
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if (lower_bound != 1) /* Not the default. */
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fprintf_filtered (stream, "%d:", lower_bound);
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/* Make sure that, if we have an assumed size array, we
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print out a warning and print the upperbound as '*' */
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if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type))
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fprintf_filtered (stream, "*");
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else
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{
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upper_bound = f77_get_upperbound (type);
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fprintf_filtered (stream, "%d", upper_bound);
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}
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195 |
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if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_ARRAY)
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f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0,
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arrayprint_recurse_level);
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if (arrayprint_recurse_level == 1)
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fprintf_filtered (stream, ")");
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else
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fprintf_filtered (stream, ",");
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arrayprint_recurse_level--;
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break;
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205 |
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case TYPE_CODE_PTR:
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case TYPE_CODE_REF:
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f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 1, 0,
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arrayprint_recurse_level);
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209 |
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fprintf_filtered (stream, ")");
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210 |
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break;
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211 |
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212 |
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case TYPE_CODE_FUNC:
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213 |
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f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0,
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214 |
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passed_a_ptr, 0, arrayprint_recurse_level);
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215 |
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if (passed_a_ptr)
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216 |
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fprintf_filtered (stream, ")");
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217 |
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218 |
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fprintf_filtered (stream, "()");
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219 |
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break;
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220 |
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221 |
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case TYPE_CODE_UNDEF:
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222 |
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case TYPE_CODE_STRUCT:
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223 |
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case TYPE_CODE_UNION:
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224 |
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case TYPE_CODE_ENUM:
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225 |
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case TYPE_CODE_INT:
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226 |
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case TYPE_CODE_FLT:
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227 |
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case TYPE_CODE_VOID:
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228 |
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case TYPE_CODE_ERROR:
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229 |
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case TYPE_CODE_CHAR:
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230 |
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case TYPE_CODE_BOOL:
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231 |
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case TYPE_CODE_SET:
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232 |
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case TYPE_CODE_RANGE:
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233 |
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case TYPE_CODE_STRING:
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234 |
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case TYPE_CODE_BITSTRING:
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235 |
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case TYPE_CODE_METHOD:
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236 |
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case TYPE_CODE_COMPLEX:
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237 |
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case TYPE_CODE_TYPEDEF:
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238 |
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/* These types do not need a suffix. They are listed so that
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239 |
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gcc -Wall will report types that may not have been considered. */
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240 |
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break;
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241 |
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}
|
242 |
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}
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243 |
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|
244 |
|
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/* Print the name of the type (or the ultimate pointer target,
|
245 |
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function value or array element), or the description of a
|
246 |
|
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structure or union.
|
247 |
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|
248 |
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SHOW nonzero means don't print this type as just its name;
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249 |
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show its real definition even if it has a name.
|
250 |
|
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SHOW zero means print just typename or struct tag if there is one
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251 |
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SHOW negative means abbreviate structure elements.
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252 |
|
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SHOW is decremented for printing of structure elements.
|
253 |
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|
254 |
|
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LEVEL is the depth to indent by.
|
255 |
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We increase it for some recursive calls. */
|
256 |
|
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|
257 |
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void
|
258 |
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f_type_print_base (struct type *type, struct ui_file *stream, int show,
|
259 |
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int level)
|
260 |
|
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{
|
261 |
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int upper_bound;
|
262 |
|
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int index;
|
263 |
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|
264 |
|
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QUIT;
|
265 |
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|
266 |
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wrap_here (" ");
|
267 |
|
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if (type == NULL)
|
268 |
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{
|
269 |
|
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fputs_filtered ("<type unknown>", stream);
|
270 |
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return;
|
271 |
|
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}
|
272 |
|
|
|
273 |
|
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/* When SHOW is zero or less, and there is a valid type name, then always
|
274 |
|
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just print the type name directly from the type. */
|
275 |
|
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|
276 |
|
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if ((show <= 0) && (TYPE_NAME (type) != NULL))
|
277 |
|
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{
|
278 |
|
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fputs_filtered (TYPE_NAME (type), stream);
|
279 |
|
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return;
|
280 |
|
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}
|
281 |
|
|
|
282 |
|
|
if (TYPE_CODE (type) != TYPE_CODE_TYPEDEF)
|
283 |
|
|
CHECK_TYPEDEF (type);
|
284 |
|
|
|
285 |
|
|
switch (TYPE_CODE (type))
|
286 |
|
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{
|
287 |
|
|
case TYPE_CODE_TYPEDEF:
|
288 |
|
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f_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
|
289 |
|
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break;
|
290 |
|
|
|
291 |
|
|
case TYPE_CODE_ARRAY:
|
292 |
|
|
case TYPE_CODE_FUNC:
|
293 |
|
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f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
|
294 |
|
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break;
|
295 |
|
|
|
296 |
|
|
case TYPE_CODE_PTR:
|
297 |
|
|
fprintf_filtered (stream, "PTR TO -> ( ");
|
298 |
|
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f_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
|
299 |
|
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break;
|
300 |
|
|
|
301 |
|
|
case TYPE_CODE_REF:
|
302 |
|
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fprintf_filtered (stream, "REF TO -> ( ");
|
303 |
|
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f_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
|
304 |
|
|
break;
|
305 |
|
|
|
306 |
|
|
case TYPE_CODE_VOID:
|
307 |
|
|
fprintfi_filtered (level, stream, "VOID");
|
308 |
|
|
break;
|
309 |
|
|
|
310 |
|
|
case TYPE_CODE_UNDEF:
|
311 |
|
|
fprintfi_filtered (level, stream, "struct <unknown>");
|
312 |
|
|
break;
|
313 |
|
|
|
314 |
|
|
case TYPE_CODE_ERROR:
|
315 |
|
|
fprintfi_filtered (level, stream, "%s", TYPE_ERROR_NAME (type));
|
316 |
|
|
break;
|
317 |
|
|
|
318 |
|
|
case TYPE_CODE_RANGE:
|
319 |
|
|
/* This should not occur */
|
320 |
|
|
fprintfi_filtered (level, stream, "<range type>");
|
321 |
|
|
break;
|
322 |
|
|
|
323 |
|
|
case TYPE_CODE_CHAR:
|
324 |
|
|
/* Override name "char" and make it "character" */
|
325 |
|
|
fprintfi_filtered (level, stream, "character");
|
326 |
|
|
break;
|
327 |
|
|
|
328 |
|
|
case TYPE_CODE_INT:
|
329 |
|
|
/* There may be some character types that attempt to come
|
330 |
|
|
through as TYPE_CODE_INT since dbxstclass.h is so
|
331 |
|
|
C-oriented, we must change these to "character" from "char". */
|
332 |
|
|
|
333 |
|
|
if (strcmp (TYPE_NAME (type), "char") == 0)
|
334 |
|
|
fprintfi_filtered (level, stream, "character");
|
335 |
|
|
else
|
336 |
|
|
goto default_case;
|
337 |
|
|
break;
|
338 |
|
|
|
339 |
|
|
case TYPE_CODE_STRING:
|
340 |
|
|
/* Strings may have dynamic upperbounds (lengths) like arrays. */
|
341 |
|
|
|
342 |
|
|
if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type))
|
343 |
|
|
fprintfi_filtered (level, stream, "character*(*)");
|
344 |
|
|
else
|
345 |
|
|
{
|
346 |
|
|
upper_bound = f77_get_upperbound (type);
|
347 |
|
|
fprintf_filtered (stream, "character*%d", upper_bound);
|
348 |
|
|
}
|
349 |
|
|
break;
|
350 |
|
|
|
351 |
|
|
case TYPE_CODE_STRUCT:
|
352 |
|
|
case TYPE_CODE_UNION:
|
353 |
|
|
if (TYPE_CODE (type) == TYPE_CODE_UNION)
|
354 |
|
|
fprintfi_filtered (level, stream, "Type, C_Union :: ");
|
355 |
|
|
else
|
356 |
|
|
fprintfi_filtered (level, stream, "Type ");
|
357 |
|
|
fputs_filtered (TYPE_TAG_NAME (type), stream);
|
358 |
|
|
fputs_filtered ("\n", stream);
|
359 |
|
|
for (index = 0; index < TYPE_NFIELDS (type); index++)
|
360 |
|
|
{
|
361 |
|
|
f_type_print_base (TYPE_FIELD_TYPE (type, index), stream, show,
|
362 |
|
|
level + 4);
|
363 |
|
|
fputs_filtered (" :: ", stream);
|
364 |
|
|
fputs_filtered (TYPE_FIELD_NAME (type, index), stream);
|
365 |
|
|
f_type_print_varspec_suffix (TYPE_FIELD_TYPE (type, index),
|
366 |
|
|
stream, 0, 0, 0, 0);
|
367 |
|
|
fputs_filtered ("\n", stream);
|
368 |
|
|
}
|
369 |
|
|
fprintfi_filtered (level, stream, "End Type ");
|
370 |
|
|
fputs_filtered (TYPE_TAG_NAME (type), stream);
|
371 |
|
|
break;
|
372 |
|
|
|
373 |
|
|
case TYPE_CODE_MODULE:
|
374 |
|
|
fprintfi_filtered (level, stream, "module %s", TYPE_TAG_NAME (type));
|
375 |
|
|
break;
|
376 |
|
|
|
377 |
|
|
default_case:
|
378 |
|
|
default:
|
379 |
|
|
/* Handle types not explicitly handled by the other cases,
|
380 |
|
|
such as fundamental types. For these, just print whatever
|
381 |
|
|
the type name is, as recorded in the type itself. If there
|
382 |
|
|
is no type name, then complain. */
|
383 |
|
|
if (TYPE_NAME (type) != NULL)
|
384 |
|
|
fprintfi_filtered (level, stream, "%s", TYPE_NAME (type));
|
385 |
|
|
else
|
386 |
|
|
error (_("Invalid type code (%d) in symbol table."), TYPE_CODE (type));
|
387 |
|
|
break;
|
388 |
|
|
}
|
389 |
|
|
}
|