/* 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.
+ Copyright (C) 1993-2014 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
+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
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. */
+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);
+extern GTY(()) struct line_maps *line_table;
+/* A value which will never be used to represent a real 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
+/* The location for declarations in "<built-in>" */
+#define BUILTINS_LOCATION ((source_location) 1)
-#endif /* ! USE_MAPPED_LOCATION */
+/* line-map.c reserves RESERVED_LOCATION_COUNT to the user. Ensure
+ both UNKNOWN_LOCATION and BUILTINS_LOCATION fit into that. */
+extern char builtins_location_check[(BUILTINS_LOCATION
+ < RESERVED_LOCATION_COUNT) ? 1 : -1];
-struct file_stack
-{
- struct file_stack *next;
- location_t location;
-};
+extern expanded_location expand_location (source_location);
+extern const char *location_get_source_line (expanded_location xloc,
+ int *line_size);
+extern expanded_location expand_location_to_spelling_point (source_location);
+extern source_location expansion_point_location_if_in_system_header (source_location);
-/* Top-level source file. */
-extern const char *main_input_filename;
+/* Historically GCC used location_t, while cpp used source_location.
+ This could be removed but it hardly seems worth the effort. */
+typedef source_location location_t;
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 LOCATION_COLUMN(LOC)((expand_location (LOC)).column)
+#define LOCATION_LOCUS(LOC) \
+ ((IS_ADHOC_LOC (LOC)) ? get_location_from_adhoc_loc (line_table, LOC) \
+ : (LOC))
+#define LOCATION_BLOCK(LOC) \
+ ((tree) ((IS_ADHOC_LOC (LOC)) ? get_data_from_adhoc_loc (line_table, (LOC)) \
+ : NULL))
-#define input_line LOCATION_LINE(input_location)
-#define input_filename LOCATION_FILE(input_location)
+#define in_system_header_at(LOC) \
+ ((linemap_location_in_system_header_p (line_table, LOC)))
-/* 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;
+void dump_line_table_statistics (void);
-/* Incremented on each change to input_file_stack. */
-extern int input_file_stack_tick;
+void diagnostics_file_cache_fini (void);
#endif
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