diff options
Diffstat (limited to 'libcpp/include/line-map.h')
| -rw-r--r-- | libcpp/include/line-map.h | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/libcpp/include/line-map.h b/libcpp/include/line-map.h index 7e9ede0..cddc74d 100644 --- a/libcpp/include/line-map.h +++ b/libcpp/include/line-map.h @@ -1,5 +1,5 @@ /* Map logical line numbers to (source file, line number) pairs. - Copyright (C) 2001, 2003, 2004 + Copyright (C) 2001, 2003, 2004, 2007 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it @@ -23,6 +23,10 @@ Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. #ifndef LIBCPP_LINE_MAP_H #define LIBCPP_LINE_MAP_H +#ifndef GTY +#define GTY(x) /* nothing */ +#endif + /* Reason for adding a line change with add_line_map (). LC_ENTER is when including a new file, e.g. a #include directive in C. LC_LEAVE is when reaching a file's end. LC_RENAME is when a file @@ -35,6 +39,9 @@ enum lc_reason {LC_ENTER = 0, LC_LEAVE, LC_RENAME}; and effectively typedef source_location location_t. */ typedef unsigned int source_location; +/* Memory allocation function typedef. Works like xrealloc. */ +typedef void *(*line_map_realloc) (void *, size_t); + /* Physical source file TO_FILE at line TO_LINE at column 0 is represented by the logical START_LOCATION. TO_LINE+L at column C is represented by START_LOCATION+(L*(1<<column_bits))+C, as long as C<(1<<column_bits), @@ -47,7 +54,7 @@ typedef unsigned int source_location; creation of this line map, SYSP is one for a system header, two for a C system header file that therefore needs to be extern "C" protected in C++, and zero otherwise. */ -struct line_map +struct line_map GTY(()) { const char *to_file; unsigned int to_line; @@ -61,9 +68,9 @@ struct line_map }; /* A set of chronological line_map structures. */ -struct line_maps +struct line_maps GTY(()) { - struct line_map *maps; + struct line_map * GTY ((length ("%h.used"))) maps; unsigned int allocated; unsigned int used; @@ -89,6 +96,10 @@ struct line_maps /* The maximum column number we can quickly allocate. Higher numbers may require allocating a new line_map. */ unsigned int max_column_hint; + + /* If non-null, the allocator to use when resizing 'maps'. If null, + xrealloc is used. */ + line_map_realloc reallocator; }; /* Initialize a line map set. */ |