/* Declarations for variables relating to reading the source file.
Used by parsers, lexical analyzers, and error message routines.
- Copyright (C) 1993, 1997 Free Software Foundation, Inc.
+ Copyright (C) 1993, 1997, 1998, 2000, 2003, 2004, 2007, 2008
+ Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC 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 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.
-GNU CC 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.
+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 GNU CC; 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/>. */
-/* Source file current line is coming from. */
-extern char *input_filename;
+#ifndef GCC_INPUT_H
+#define GCC_INPUT_H
-/* Top-level source file. */
-extern char *main_input_filename;
+#include "line-map.h"
+
+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)
+
+/* The location for declarations in "<built-in>" */
+#define BUILTINS_LOCATION ((source_location) 2)
+
+typedef struct GTY (())
+{
+ /* The name of the source file involved. */
+ const char *file;
-/* Line number in current source file. */
-extern int lineno;
+ /* The line-location in the source file. */
+ int line;
+
+ int column;
+} expanded_location;
+
+extern expanded_location expand_location (source_location);
+
+/* 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;
+
+/* Top-level source file. */
+extern const char *main_input_filename;
-/* Stream for reading from input file. */
-extern FILE *finput;
+extern location_t input_location;
-struct file_stack
- {
- char *name;
- struct file_stack *next;
- int line;
- int indent_level;
- };
+#define LOCATION_FILE(LOC) ((expand_location (LOC)).file)
+#define LOCATION_LINE(LOC) ((expand_location (LOC)).line)
-/* 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;
+#define input_line LOCATION_LINE (input_location)
+#define input_filename LOCATION_FILE (input_location)
-/* Incremented on each change to input_file_stack. */
-extern int input_file_stack_tick;
+#endif
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