1*e4b17023SJohn Marino /* Declarations for variables relating to reading the source file. 2*e4b17023SJohn Marino Used by parsers, lexical analyzers, and error message routines. 3*e4b17023SJohn Marino Copyright (C) 1993, 1997, 1998, 2000, 2003, 2004, 2007, 2008, 2009, 2010 4*e4b17023SJohn Marino Free Software Foundation, Inc. 5*e4b17023SJohn Marino 6*e4b17023SJohn Marino This file is part of GCC. 7*e4b17023SJohn Marino 8*e4b17023SJohn Marino GCC is free software; you can redistribute it and/or modify it under 9*e4b17023SJohn Marino the terms of the GNU General Public License as published by the Free 10*e4b17023SJohn Marino Software Foundation; either version 3, or (at your option) any later 11*e4b17023SJohn Marino version. 12*e4b17023SJohn Marino 13*e4b17023SJohn Marino GCC is distributed in the hope that it will be useful, but WITHOUT ANY 14*e4b17023SJohn Marino WARRANTY; without even the implied warranty of MERCHANTABILITY or 15*e4b17023SJohn Marino FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 16*e4b17023SJohn Marino for more details. 17*e4b17023SJohn Marino 18*e4b17023SJohn Marino You should have received a copy of the GNU General Public License 19*e4b17023SJohn Marino along with GCC; see the file COPYING3. If not see 20*e4b17023SJohn Marino <http://www.gnu.org/licenses/>. */ 21*e4b17023SJohn Marino 22*e4b17023SJohn Marino #ifndef GCC_INPUT_H 23*e4b17023SJohn Marino #define GCC_INPUT_H 24*e4b17023SJohn Marino 25*e4b17023SJohn Marino #include "line-map.h" 26*e4b17023SJohn Marino 27*e4b17023SJohn Marino extern GTY(()) struct line_maps *line_table; 28*e4b17023SJohn Marino 29*e4b17023SJohn Marino /* A value which will never be used to represent a real location. */ 30*e4b17023SJohn Marino #define UNKNOWN_LOCATION ((source_location) 0) 31*e4b17023SJohn Marino 32*e4b17023SJohn Marino /* The location for declarations in "<built-in>" */ 33*e4b17023SJohn Marino #define BUILTINS_LOCATION ((source_location) 1) 34*e4b17023SJohn Marino 35*e4b17023SJohn Marino /* line-map.c reserves RESERVED_LOCATION_COUNT to the user. Ensure 36*e4b17023SJohn Marino both UNKNOWN_LOCATION and BUILTINS_LOCATION fit into that. */ 37*e4b17023SJohn Marino extern char builtins_location_check[(BUILTINS_LOCATION 38*e4b17023SJohn Marino < RESERVED_LOCATION_COUNT) ? 1 : -1]; 39*e4b17023SJohn Marino 40*e4b17023SJohn Marino extern expanded_location expand_location (source_location); 41*e4b17023SJohn Marino 42*e4b17023SJohn Marino /* Historically GCC used location_t, while cpp used source_location. 43*e4b17023SJohn Marino This could be removed but it hardly seems worth the effort. */ 44*e4b17023SJohn Marino typedef source_location location_t; 45*e4b17023SJohn Marino 46*e4b17023SJohn Marino extern location_t input_location; 47*e4b17023SJohn Marino 48*e4b17023SJohn Marino #define LOCATION_FILE(LOC) ((expand_location (LOC)).file) 49*e4b17023SJohn Marino #define LOCATION_LINE(LOC) ((expand_location (LOC)).line) 50*e4b17023SJohn Marino #define LOCATION_COLUMN(LOC)((expand_location (LOC)).column) 51*e4b17023SJohn Marino 52*e4b17023SJohn Marino #define input_line LOCATION_LINE (input_location) 53*e4b17023SJohn Marino #define input_filename LOCATION_FILE (input_location) 54*e4b17023SJohn Marino #define in_system_header_at(LOC) \ 55*e4b17023SJohn Marino ((linemap_location_in_system_header_p (line_table, LOC))) 56*e4b17023SJohn Marino #define in_system_header (in_system_header_at (input_location)) 57*e4b17023SJohn Marino 58*e4b17023SJohn Marino void dump_line_table_statistics (void); 59*e4b17023SJohn Marino 60*e4b17023SJohn Marino #endif 61