041c31944c
2000-07-03 Zack Weinberg <zack@wolery.cumb.org> * fix-header.c (struct partial_proto): Remove unnecessary fields. (recognized_extern, recognized_function, read_scan_file): Update for new scheme. (check_protection): It's still a multiple include guard even if it doesn't always trigger. * scan-decls.c (skip_to_closing_brace, scan_decls): Update for new scheme. * scan.h: Declare struct cpp_token. Update prototypes. 2000-07-03 Neil Booth <neilb@earthling.net> Zack Weinberg <zack@wolery.cumb.org> Complete overhaul of the lexer and macro expander. * cpphash.c (object_defn, funct_defn, push_macro_expansion, arg, arglist, argdata, reflist, collect_objlike_expansion, collect_funlike_expansion, collect_params, warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat, unsafe_chars, macarg, compare_defs, special_symbol, scan_arguments, stringify, funlike_macroexpand, _cpp_quote_string, monthnames): Delete. (cpp_lookup, _cpp_free_definition, dump_funlike_macro, _cpp_create_definition, _cpp_dump_definition, dump_hash_helper): Adjust. (find_param, count_params, parse_define, var_args_str, check_macro_redefinition, save_expansion): New. * cpplex.c (skip_block_comment, skip_line_comment, parse_name, parse_string, output_line_command, trigraph_replace, lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens, cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist, cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer, _cpp_skip_rest_of_line): Modify. (maybe_macroexpand, skip_comment, copy_comment, skip_string, find_position, null_warning, bump_column, expand_name_space, pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace, _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token, _cpp_prescan): Delete. (dump_param_spelling, process_directive, lex_next, is_macro_disabled, stringify_arg, expand_context_stack, output_token, make_string_token, alloc_number_token, special_symbol, duplicate_token, maybe_paste_with_next, can_paste, prevent_macro_expansion, restore_macro_expansion, get_temp_token, release_temp_tokens, quote_string, token_names, token_spellings, _cpp_expand_name_space, _cpp_glue_header_name, _cpp_reserve_name_space, digraph_spellings, trigraph_ok, skip_whitespace, save_comment, placemarker_token, eof_token, cpp_context, macro_args, get_raw_token, parse_arg, parse_args, save_token, push_arg_context, push_macro_context, pop_context, do_pop_context, free_macro_args, _cpp_get_line, _cpp_run_directive): New. * cpplib.c (validate_else, parse_include, push_conditional, pass_thru_directive, read_line_number, parse_ifdef, detect_if_not_defined, _cpp_check_directive, do_define, do_undef, do_include, do_import, do_include_next, do_error, do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas, top_pragmas, do_pragma_gcc, do_pragma_implementation, do_pragma_poison, do_pragma_system_header, do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else, dl_elif, do_endif, _cpp_unwind_if_stack, do_assert, do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert, cpp_defined): Update for new scheme. (strtoul_for_line, get_define_node, dump_macro_name, _cpp_check_linemarker, _cpp_parse_assertion): New. (_cpp_handle_directive, do_pragma_default): Delete. * cpphash.h (struct predicate): Now struct answer. (enum spell_type, struct token_spelling, struct directive, directive_handler): New. Update prototypes. Remove unused macros. * cpplib.h: Update prototypes. Remove unused macros, structure definitions, and fields. * cpperror.c (print_containing_files, v_message): Adjust. * cppexp.c (parse_assertion, lex, parse_escape, _cpp_parse_expr): Adjust. * cppfiles.c (open_include_file, _cpp_execute_include, _cpp_compare_file_date, cpp_read_file, read_include_file): Adjust. * cppinit.c (dump_special_to_buffer): Delete. (append_include_chain, merge_include_chains, cpp_reader_init, cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read, cpp_finish, handle_option, print_help): Adjust. * cppmain.c (main): Adjust. testsuite: 2000-07-03 Zack Weinberg <zack@wolery.cumb.org> * testsuite/gcc.dg/cpp/19951025-1.c: Adjust regexps. * testsuite/gcc.dg/cpp/19990703-1.c: Likewise. * testsuite/gcc.dg/cpp/20000625-1.c: Likewise. * testsuite/gcc.dg/cpp/20000625-2.c: Likewise. * testsuite/gcc.dg/cpp/macro1.c, testsuite/gcc.dg/cpp/paste1.c, testsuite/gcc.dg/cpp/paste2.c, testsuite/gcc.dg/cpp/paste3.c, testsuite/gcc.dg/cpp/paste4.c, testsuite/gcc.dg/cpp/strify1.c, testsuite/gcc.dg/cpp/strify2.c: New tests. From-SVN: r34859
83 lines
2.7 KiB
C
83 lines
2.7 KiB
C
/* scan.h - Utility declarations for scan-decls and fix-header programs.
|
|
Copyright (C) 1993, 1998, 1999 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. */
|
|
|
|
#include <stdio.h>
|
|
|
|
typedef struct sstring
|
|
{
|
|
char *base;
|
|
char *ptr;
|
|
char *limit;
|
|
} sstring;
|
|
|
|
#define INIT_SSTRING(STR) ((STR)->base = 0, (STR)->ptr = 0, (STR)->limit = 0)
|
|
#define FREE_SSTRING(STR) do { if ((STR)->base) free (STR)->base; } while(0)
|
|
#define SSTRING_PUT(STR, C) do {\
|
|
if ((STR)->limit <= (STR)->ptr) make_sstring_space (STR, 1); \
|
|
*(STR)->ptr++ = (C); } while (0)
|
|
#define SSTRING_LENGTH(STR) ((STR)->ptr - (STR)->base)
|
|
#define MAKE_SSTRING_SPACE(STR, COUNT) \
|
|
if ((STR)->limit - (STR)->ptr < (COUNT)) make_sstring_space (STR, COUNT);
|
|
|
|
#ifndef _PARAMS
|
|
#if defined(ANSI_PROTOTYPES) || defined(__cplusplus)
|
|
#define _PARAMS(args) args
|
|
#else
|
|
#define _PARAMS(args) ()
|
|
#endif
|
|
#endif
|
|
|
|
struct partial_proto;
|
|
struct fn_decl
|
|
{
|
|
const char *fname;
|
|
const char *rtype;
|
|
const char *params;
|
|
struct partial_proto *partial;
|
|
};
|
|
|
|
struct cpp_token;
|
|
|
|
extern int lineno;
|
|
extern void sstring_append _PARAMS((sstring *, sstring *));
|
|
extern void make_sstring_space _PARAMS((sstring *, int));
|
|
extern int skip_spaces _PARAMS((FILE *, int));
|
|
extern int scan_ident _PARAMS((FILE *, sstring *, int));
|
|
extern int scan_string _PARAMS((FILE *, sstring *, int));
|
|
extern int read_upto _PARAMS((FILE *, sstring *, int));
|
|
extern unsigned long hash _PARAMS((const char *));
|
|
extern void recognized_function _PARAMS((const struct cpp_token *, int, int,
|
|
const char *));
|
|
extern void recognized_extern _PARAMS((const struct cpp_token *));
|
|
extern unsigned int hashstr _PARAMS((const char *, unsigned int));
|
|
|
|
struct cpp_reader;
|
|
extern int scan_decls _PARAMS((struct cpp_reader *, int, char **));
|
|
|
|
/* get_token is a simple C lexer. */
|
|
#define IDENTIFIER_TOKEN 300
|
|
#define CHAR_TOKEN 301
|
|
#define STRING_TOKEN 302
|
|
#define INT_TOKEN 303
|
|
extern int get_token _PARAMS ((FILE *, sstring *));
|
|
|
|
/* Current file and line numer, taking #-directives into account */
|
|
extern int source_lineno;
|
|
extern sstring source_filename;
|
|
/* Current physical line number */
|
|
extern int lineno;
|