From 12f9df4ec55a2004a9c9201886440d9503b6a858 Mon Sep 17 00:00:00 2001 From: Per Bothner Date: Wed, 11 Feb 2004 07:29:30 -0800 Subject: Represent column numbers using line-map's source_location. The "next available source_location" is now managed internally by line-maps.c rather than by clients. * line-map.h (struct line_map): New field column_bits. : Rename field to start_location. (struct line_maps): New fields highest_location and max_column_hint. (linemap_check_files_exited): New declaration. (linemap_line_start): New declaration. (linemap_add): Remove from_line parameter; use highest_location field. (SOURCE_LINE, LAST_SOURCE_LINE): Modify to use column_bits. (SOURCE_COLUMN, LAST_SOURCE_LINE_LOCATION): New macros. (CURRENT_LINE_MAP): Remove macro. (linemap_position_for_column): New inline function. * line-map.c (linemap_init): Clear new fields. (linemap_check_files_exited): New function, extracted from ... (linemap_free): Use linemap_check_files_exited. (linemap_add): Remove from_line parameter. Various updates. (linemap_line_start): New function. (linemap_lookeup): Update for new field names. * cpphash.h (struct cpp_reader) : Field removed. Because linemap_position_for_column may unpredictably change the current map, it is cleaner and simpler for us to not cache it in cpp_reader. (struct cpp_buffer): New sysp field. Changed warned_cplusplus_comments and from_stage3 to bitfields. * cppinit.c (cpp_read_min_file): pfile->map no longer exists. * cpplib.c (do_line, do_linemarker, _cpp_do_file_change): Get current map using linemap_lookup. (do_linemarker): Also set buffer's sysp field. (destringize_and_run): No longer need to decrement current line. * cppfiles.c (_cpp_stack_file): Set sysp from and in buffer. (search_path_head, open_file_failed): Use buffer's sysp. (cpp_make_system_header): Get current map using linemap_lookup. Also set buffer's sysp flag. * cppmacro.c (_cpp_builtin_macro_text): Likewise use linemap_lookup. * cpphash.h (CPP_INCREMENT_LINE): New macro. (struct cpp_buffer): Moved fields saved_cur, saved_rlimit to ... (struct cpp_reader): ... and adding saved_line_base field. * cpptrad.c (_cpp_overlay_buffer, _cpp_remove_overlay): Update accordingly. Don't adjust line. (_cpp_scan_out_logical_line): Use CPP_INCREMENT_LINE. * cpphash.c (CPP_IN_SYSTEM_HEADER): Replaced macro by ... (cpp_in_system_header): ... new inline function, using buffer's sysp. * cpperror.c (_cpp_begin_message): Update to use cpp_in_system_header. * cpplex.c (_cpp_lex_direct): Likewise. * cppmacro.c (_cpp_builtin_macro_text): Likewise. * cppmacro.c (_cpp_create_definition): Use buffer's sysp field. * cpplib.h (struct cpp_token): Rename line field to src_loc. Remove col field as it is now subsumed by src_loc. * cpperror.c: Update various field, parameter, and macro names. (print_location): If col==0, try SOURCE_COLUMN of line. (cpp_error): Use cur_token's src_loc field, rather than line+col. * cpplib.c (do_diagnostic): Token's src_loc fields replaces line+col. * cpplex.c (_cpp_process_line_notes, _cpp_lex_direct, _cpp_skip_block_comment): Use CPP_INCREMENT_LINE. (_cpp_temp_token): Replace cpp_token's line+col fields by src_loc. (_cpp_get_fresh_line): Don't need to adjust line for missing newline. (_cpp_lex_direct): Use linemap_position_for_column. * c-ppoutput.c (maybe_print_line, print_line): Don't take map parameter. Instead get it from the line_table global. Adjust callers. (print): Remove map field. Replace line field to src_line. (init_pp_output, account_for_newlines, maybe_print_line): Adjust. (cb_line_change): Use SOURCE_COLUMN. Minor optimizations. (pp_file_change): Use MAIN_FILE_P since we cannot checked print.map. Use LAST_SOURCE_LINE_LOCATION to "catch up" after #include. * cpptrad.c (copy_comment): Rename variable. * c-lex.c (map): Remove static variable, for same reason we removed cpp_reader's map field. (cb_line_change, cb_def_pragma, cb_define, cb_undef): Hence we need to call linemap_lookup. (cb_line_change): Token's line field replaced by src_loc. (fe_file_change): Use MAINFILE_P and LAST_SOURCE_LINE macros. Don't save new_map. * cpphash.h, cpperror.c, cpplib.h: Some renames of fileline to source_location. From-SVN: r77663 --- gcc/c-lex.c | 38 ++++++++++++++++++-------------------- 1 file changed, 18 insertions(+), 20 deletions(-) (limited to 'gcc/c-lex.c') diff --git a/gcc/c-lex.c b/gcc/c-lex.c index aba571f..cbd5573 100644 --- a/gcc/c-lex.c +++ b/gcc/c-lex.c @@ -42,9 +42,6 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA #include "splay-tree.h" #include "debug.h" -/* The current line map. */ -static const struct line_map *map; - /* We may keep statistics about how long which files took to compile. */ static int header_time, body_time; static splay_tree file_info_tree; @@ -194,28 +191,27 @@ static void cb_line_change (cpp_reader *pfile ATTRIBUTE_UNUSED, const cpp_token *token, int parsing_args) { - if (token->type == CPP_EOF || parsing_args) - return; - - input_line = SOURCE_LINE (map, token->line); + if (token->type != CPP_EOF && !parsing_args) + { + source_location loc = token->src_loc; + const struct line_map *map = linemap_lookup (&line_table, loc); + input_line = SOURCE_LINE (map, loc); + } } void fe_file_change (const struct line_map *new_map) { if (new_map == NULL) - { - map = NULL; - return; - } + return; if (new_map->reason == LC_ENTER) { /* Don't stack the main buffer on the input stack; we already did in compile_file. */ - if (map != NULL) + if (! MAIN_FILE_P (new_map)) { - int included_at = SOURCE_LINE (new_map - 1, new_map->from_line - 1); + int included_at = LAST_SOURCE_LINE (new_map - 1); input_line = included_at; push_srcloc (new_map->to_file, 1); @@ -250,20 +246,20 @@ fe_file_change (const struct line_map *new_map) in_system_header = new_map->sysp != 0; input_filename = new_map->to_file; input_line = new_map->to_line; - map = new_map; /* Hook for C++. */ extract_interface_info (); } static void -cb_def_pragma (cpp_reader *pfile, unsigned int line) +cb_def_pragma (cpp_reader *pfile, source_location loc) { /* Issue a warning message if we have been asked to do so. Ignore unknown pragmas in system headers unless an explicit -Wunknown-pragmas has been given. */ if (warn_unknown_pragmas > in_system_header) { + const struct line_map *map = linemap_lookup (&line_table, loc); const unsigned char *space, *name; const cpp_token *s; @@ -277,25 +273,27 @@ cb_def_pragma (cpp_reader *pfile, unsigned int line) name = cpp_token_as_text (pfile, s); } - input_line = SOURCE_LINE (map, line); + input_line = SOURCE_LINE (map, loc); warning ("ignoring #pragma %s %s", space, name); } } /* #define callback for DWARF and DWARF2 debug info. */ static void -cb_define (cpp_reader *pfile, unsigned int line, cpp_hashnode *node) +cb_define (cpp_reader *pfile, source_location loc, cpp_hashnode *node) { - (*debug_hooks->define) (SOURCE_LINE (map, line), + const struct line_map *map = linemap_lookup (&line_table, loc); + (*debug_hooks->define) (SOURCE_LINE (map, loc), (const char *) cpp_macro_definition (pfile, node)); } /* #undef callback for DWARF and DWARF2 debug info. */ static void -cb_undef (cpp_reader *pfile ATTRIBUTE_UNUSED, unsigned int line, +cb_undef (cpp_reader *pfile ATTRIBUTE_UNUSED, source_location loc, cpp_hashnode *node) { - (*debug_hooks->undef) (SOURCE_LINE (map, line), + const struct line_map *map = linemap_lookup (&line_table, loc); + (*debug_hooks->undef) (SOURCE_LINE (map, loc), (const char *) NODE_NAME (node)); } -- cgit v1.1