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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [input.h] - Rev 38
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/* Declarations for variables relating to reading the source file. Used by parsers, lexical analyzers, and error message routines. Copyright (C) 1993, 1997, 1998, 2000, 2003, 2004, 2007 Free Software Foundation, Inc. This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GCC; see the file COPYING3. If not see <http://www.gnu.org/licenses/>. */ #ifndef GCC_INPUT_H #define GCC_INPUT_H #include "line-map.h" extern struct line_maps line_table; /* The location for declarations in "<built-in>" */ #define BUILTINS_LOCATION ((source_location) 2) #ifdef USE_MAPPED_LOCATION typedef struct { /* The name of the source file involved. */ const char *file; /* The line-location in the source file. */ int line; int column; } expanded_location; extern expanded_location expand_location (source_location); #define UNKNOWN_LOCATION ((source_location) 0) typedef source_location location_t; /* deprecated typedef */ typedef source_location source_locus; /* to be removed */ #else /* ! USE_MAPPED_LOCATION */ struct location_s GTY(()) { /* The name of the source file involved. */ const char *file; /* The line-location in the source file. */ int line; }; typedef struct location_s expanded_location; typedef struct location_s location_t; typedef location_t *source_locus; #define expand_location(FILELINE) (FILELINE) extern location_t unknown_location; #define UNKNOWN_LOCATION unknown_location #endif /* ! USE_MAPPED_LOCATION */ struct file_stack { struct file_stack *next; location_t location; }; /* Top-level source file. */ extern const char *main_input_filename; extern location_t input_location; #ifdef USE_MAPPED_LOCATION extern void push_srcloc (location_t); #else /* ! USE_MAPPED_LOCATION */ extern void push_srcloc (const char *name, int line); #endif /* ! USE_MAPPED_LOCATION */ extern void pop_srcloc (void); extern void restore_input_file_stack (int); #define LOCATION_FILE(LOC) ((expand_location (LOC)).file) #define LOCATION_LINE(LOC) ((expand_location (LOC)).line) #define input_line LOCATION_LINE(input_location) #define input_filename LOCATION_FILE(input_location) /* Stack of currently pending input files. The line member is not accurate for the innermost file on the stack. */ extern struct file_stack *input_file_stack; /* Incremented on each change to input_file_stack. */ extern int input_file_stack_tick; /* The number of bits available for input_file_stack_tick. */ #define INPUT_FILE_STACK_BITS 31 #endif
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