diff options
Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/input.h')
-rw-r--r-- | gcc-4.2.1-5666.3/gcc/input.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/input.h b/gcc-4.2.1-5666.3/gcc/input.h new file mode 100644 index 000000000..2fea1a65c --- /dev/null +++ b/gcc-4.2.1-5666.3/gcc/input.h @@ -0,0 +1,105 @@ +/* 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 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 2, 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 COPYING. If not, write to the Free +Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301, USA. */ + +#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 |