X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Finput.h;h=7f00dc7cd0a7c4a866e3896e405efefaf7bc250e;hb=73faef308beb68f43956ec108d6dc61a4ed1b3d6;hp=8c326f9e6a7505454f6451166d3bdddc34d5f5b1;hpb=4b5446d126ce33e92fac4381c15cece13fd328a4;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/input.h b/gcc/input.h index 8c326f9e6a7..7f00dc7cd0a 100644 --- a/gcc/input.h +++ b/gcc/input.h @@ -1,25 +1,73 @@ -/* Source file current line is coming from. */ -extern char *input_filename; +/* 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. -/* Top-level source file. */ -extern char *main_input_filename; +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 +. */ + +#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 "" */ +#define BUILTINS_LOCATION ((source_location) 1) -/* Line number in current source file. */ -extern int lineno; +/* 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; -/* 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; - }; +#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) +#define in_system_header_at(LOC) ((expand_location (LOC)).sysp != 0) +#define in_system_header (in_system_header_at (input_location)) -/* Incremented on each change to input_file_stack. */ -extern int input_file_stack_tick; +#endif