X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Finput.h;h=7f00dc7cd0a7c4a866e3896e405efefaf7bc250e;hb=757a32376af48f84c11c3317e286061ab70abcc6;hp=0ca3ccfd7338d862375fb46a1a11852a1b0315a8;hpb=67ce556b47830dd825524e8370969b814c355216;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/gcc/input.h b/gcc/input.h
index 0ca3ccfd733..7f00dc7cd0a 100644
--- a/gcc/input.h
+++ b/gcc/input.h
@@ -1,12 +1,13 @@
 /* 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 Free Software Foundation, Inc.
+   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 2, or (at your option) any later
+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
@@ -15,22 +16,28 @@ 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 COPYING.  If not, write to the Free
-Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301, USA.  */
+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 struct line_maps line_table;
+
+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)
+#define BUILTINS_LOCATION ((source_location) 1)
 
-#ifdef USE_MAPPED_LOCATION
+/* 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
+typedef struct GTY (())
 {
   /* The name of the source file involved.  */
   const char *file;
@@ -39,63 +46,28 @@ typedef struct
   int line;
 
   int column;
+
+  /* In a system header?. */
+  bool sysp;
 } expanded_location;
 
 extern expanded_location expand_location (source_location);
 
-#define UNKNOWN_LOCATION ((source_location) 0)
-typedef source_location location_t; /* deprecated typedef */
-typedef source_location source_locus; /* to be removed */
-
-#else /* ! USE_MAPPED_LOCATION */
-
-struct location_s GTY(())
-{
-  /* The name of the source file involved.  */
-  const char *file;
-
-  /* The line-location in the source file.  */
-  int line;
-};
-
-typedef struct location_s expanded_location;
-typedef struct location_s location_t;
-typedef location_t *source_locus;
-
-#define expand_location(FILELINE) (FILELINE)
-extern location_t unknown_location;
-#define UNKNOWN_LOCATION unknown_location
-
-#endif /* ! USE_MAPPED_LOCATION */
-
-struct file_stack
-{
-  struct file_stack *next;
-  location_t 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;
-#ifdef USE_MAPPED_LOCATION
-extern void push_srcloc (location_t);
-#else /* ! USE_MAPPED_LOCATION */
-extern void push_srcloc (const char *name, int line);
-#endif /* ! USE_MAPPED_LOCATION */
-extern void pop_srcloc (void);
 
 #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)
-
-/* 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;
-
-/* Incremented on each change to input_file_stack.  */
-extern int input_file_stack_tick;
+#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