| /* 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, 2007, 2008, 2009 |
| 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]; |
| |
| typedef struct GTY (()) |
| { |
| /* The name of the source file involved. */ |
| const char *file; |
| |
| /* The line-location in the source file. */ |
| int line; |
| |
| int column; |
| |
| /* In a system header?. */ |
| bool sysp; |
| } 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; |
| |
| extern location_t input_location; |
| |
| #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) |
| #define in_system_header_at(LOC) ((expand_location (LOC)).sysp != 0) |
| #define in_system_header (in_system_header_at (input_location)) |
| |
| #endif |
