-/* Source file current line is coming from. */
-extern char *input_filename;
+/* 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.
-/* Top-level source file. */
-extern char *main_input_filename;
+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, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, 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);
-/* Line number in current source file. */
-extern int lineno;
+#define UNKNOWN_LOCATION ((source_location) 0)
+typedef source_location location_t; /* deprecated typedef */
+typedef source_location source_locus; /* to be removed */
-/* Stream for reading from input file. */
-extern FILE *finput;
+#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
- {
- char *name;
- struct file_stack *next;
- int line;
- };
+{
+ 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);
+
+#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. */
/* Incremented on each change to input_file_stack. */
extern int input_file_stack_tick;
+
+#endif