Daily bump.

[pf3gnuchains/gcc-fork.git] / gcc / input.h

diff --git a/gcc/input.h b/gcc/input.h
index 45b0515..299f56c 100644 (file)
--- a/gcc/input.h
+++ b/gcc/input.h
@@ -1,6 +1,6 @@
 /* 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
+   Copyright (C) 1993, 1997, 1998, 2000, 2003, 2004, 2007, 2008
    Free Software Foundation, Inc.
 
 This file is part of GCC.
@@ -23,17 +23,16 @@ along with GCC; see the file COPYING3.  If not see
 #define GCC_INPUT_H
 
 #include "line-map.h"
-extern struct line_maps line_table;
 
-/* The location for declarations in "<built-in>" */
-#define BUILTINS_LOCATION ((source_location) 2)
+extern GTY(()) struct line_maps *line_table;
 
-/* Note: if any of the types defined inside this #ifdef are changed,
-   gengtype.c:define_location_structures must be updated to match.  */
+/* A value which will never be used to represent a real location.  */
+#define UNKNOWN_LOCATION ((source_location) 0)
 
-#ifdef USE_MAPPED_LOCATION
+/* The location for declarations in "<built-in>" */
+#define BUILTINS_LOCATION ((source_location) 2)
 
-typedef struct
+typedef struct GTY (())
 {
   /* The name of the source file involved.  */
   const char *file;
@@ -42,67 +41,28 @@ 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);
-extern void restore_input_file_stack (int);
 
 #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;
-
-/* The number of bits available for input_file_stack_tick.  */
-#define INPUT_FILE_STACK_BITS  31
+#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