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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/input.h
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/input.h')
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+/* Declarations for variables relating to reading the source file.
+ Used by parsers, lexical analyzers, and error message routines.
+ 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 3, 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 COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
+#ifndef GCC_INPUT_H
+#define GCC_INPUT_H
+
+#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) 1)
+
+/* 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];
+
+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);
+
+/* 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;
+
+#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 in_system_header_at(LOC) \
+ ((linemap_location_in_system_header_p (line_table, LOC)))
+
+void dump_line_table_statistics (void);
+
+void diagnostics_file_cache_fini (void);
+
+#endif