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Diffstat (limited to 'contrib/gcc/line-map.h')
| -rw-r--r-- | contrib/gcc/line-map.h | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/contrib/gcc/line-map.h b/contrib/gcc/line-map.h deleted file mode 100644 index c57f51a..0000000 --- a/contrib/gcc/line-map.h +++ /dev/null @@ -1,126 +0,0 @@ -/* Map logical line numbers to (source file, line number) pairs. - Copyright (C) 2001, 2003 - Free Software Foundation, Inc. - -This program 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 version. - -This program 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 this program; if not, write to the Free Software -Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - In other words, you are welcome to use, share and improve this program. - You are forbidden to forbid anyone else to use, share and improve - what you give them. Help stamp out software-hoarding! */ - -#ifndef GCC_LINE_MAP_H -#define GCC_LINE_MAP_H - -/* 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 - name or line number changes for neither of the above reasons - (e.g. a #line directive in C). */ -enum lc_reason {LC_ENTER = 0, LC_LEAVE, LC_RENAME}; - -/* A logical line number, i,e, an "index" into a line_map. */ -/* Long-term, we want to use this to replace struct location_s (in input.h), - and effectively typedef source_location location_t. */ -typedef unsigned int source_location; -typedef source_location fileline; /* deprecated name */ - -/* The logical line FROM_LINE maps to physical source file TO_FILE at - line TO_LINE, and subsequently one-to-one until the next line_map - structure in the set. INCLUDED_FROM is an index into the set that - gives the line mapping at whose end the current one was included. - File(s) at the bottom of the include stack have this set to -1. - REASON is the reason for 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 -{ - const char *to_file; - unsigned int to_line; - source_location from_line; - int included_from; - ENUM_BITFIELD (lc_reason) reason : CHAR_BIT; - unsigned char sysp; -}; - -/* A set of chronological line_map structures. */ -struct line_maps -{ - struct line_map *maps; - unsigned int allocated; - unsigned int used; - - /* The most recently listed include stack, if any, starts with - LAST_LISTED as the topmost including file. -1 indicates nothing - has been listed yet. */ - int last_listed; - - /* Depth of the include stack, including the current file. */ - unsigned int depth; - - /* If true, prints an include trace a la -H. */ - bool trace_includes; -}; - -/* Initialize a line map set. */ -extern void linemap_init (struct line_maps *); - -/* Free a line map set. */ -extern void linemap_free (struct line_maps *); - -/* Add a mapping of logical source line to physical source file and - line number. - - The text pointed to by TO_FILE must have a lifetime - at least as long as the final call to lookup_line (). An empty - TO_FILE means standard input. If reason is LC_LEAVE, and - TO_FILE is NULL, then TO_FILE, TO_LINE and SYSP are given their - natural values considering the file we are returning to. - - FROM_LINE should be monotonic increasing across calls to this - function. A call to this function can relocate the previous set of - maps, so any stored line_map pointers should not be used. */ -extern const struct line_map *linemap_add - (struct line_maps *, enum lc_reason, unsigned int sysp, - source_location from_line, const char *to_file, unsigned int to_line); - -/* Given a logical line, returns the map from which the corresponding - (source file, line) pair can be deduced. */ -extern const struct line_map *linemap_lookup - (struct line_maps *, source_location); - -/* Print the file names and line numbers of the #include commands - which led to the map MAP, if any, to stderr. Nothing is output if - the most recently listed stack is the same as the current one. */ -extern void linemap_print_containing_files (struct line_maps *, - const struct line_map *); - -/* Converts a map and logical line to source line. */ -#define SOURCE_LINE(MAP, LINE) ((LINE) + (MAP)->to_line - (MAP)->from_line) - -/* Returns the last source line within a map. This is the (last) line - of the #include, or other directive, that caused a map change. */ -#define LAST_SOURCE_LINE(MAP) SOURCE_LINE ((MAP), (MAP)[1].from_line - 1) - -/* Returns the map a given map was included from. */ -#define INCLUDED_FROM(SET, MAP) (&(SET)->maps[(MAP)->included_from]) - -/* Nonzero if the map is at the bottom of the include stack. */ -#define MAIN_FILE_P(MAP) ((MAP)->included_from < 0) - -/* The current line map. Saves a call to lookup_line if the caller is - sure he is in the scope of the current map. */ -#define CURRENT_LINE_MAP(MAPS) ((MAPS)->maps + (MAPS)->used - 1) - -#endif /* !GCC_LINE_MAP_H */ |
