mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-21 11:13:30 +00:00
106 lines
3.0 KiB
C
106 lines
3.0 KiB
C
/* 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
|