From 40109983a380ab2b69d8c1d6dfc186814987614e Mon Sep 17 00:00:00 2001 From: geoffk Date: Fri, 11 Jul 2003 08:33:21 +0000 Subject: Index: ChangeLog 2003-07-10 Geoffrey Keating * c-decl.c (finish_decl): Handle 'used' here... * cgraphunit.c (cgraph_finalize_function): ... and here ... * c-common.c: (handle_used_attribute): ... not here. * configure.in (onstep): Support --enable-intermodule. * Makefile.in (OBJS-common): New. (OBJS-md): New. (OBJS-archive): New. (OBJS): Build from OBJS-common, OBJS-md, OBJS-archive. (OBJS-onestep): New. (libbackend.a): Support @onestep@. (libbackend.o): New. * configure: Regenerate. * c-common.h (c_reset_state): New prototype. (c_parse_file): New prototype. (finish_file): Move prototype from c-tree.h. * c-decl.c: Include . (builtin_decls): New. (current_file_decl): New. (duplicate_decls): Add extra parameter. Change all callers. Don't output duplicate common symbols. (link_hash_hash): New. (link_hash_eq): New. (poplevel): Handle popping of the top level. (warn_if_shadowing): Handle TRANSLATION_UNIT_DECL. (pushdecl): Set DECL_CONTEXT to TRANSLATION_UNIT_DECL if appropriate. (pushdecl_top_level): Likewise. (redeclaration_error_message): Handle TRANSLATION_UNIT_DECL. (c_init_decl_processing): Create TRANSLATION_UNIT_DECL. (finish_decl): Handle TRANSLATION_UNIT_DECL. (merge_translation_unit_decls): New. (c_write_global_declarations): New. (c_reset_state): New. (implicitly_declare): Handle TRANSLATION_UNIT_DECL. * c-lang.c (LANG_HOOKS_WRITE_GLOBALS): New. * c-objc-common.c (c_cannot_inline_tree_fn): Handle TRANSLATION_UNIT_DECL. (c_objc_common_finish_file): Call merge_translation_unit_decls. * c-opts.c (in_fnames): Rename from in_fname. (c_common_decode_option): Handle multiple input filenames. (c_common_post_options): Likewise. (c_common_parse_file): Likewise; also, call c_parse_file rather than yyparse. * c-parse.in: Move cleanup code to c_parse_file. (free_parser_stacks): Move contents to c_parse_file. (c_parse_file): New. * c-tree.h (union lang_tree_node): Chain along TYPE_NEXT_VARIANT for integer types. (C_DECL_FILE_SCOPE): New. (finish_file): Move prototype to c-common.h. (merge_translation_unit_decls): New prototype. (comptypes): Add extra parameter to prototype. (c_write_global_declarations): New prototype. * c-typeck.c (tagged_types_tu_compatible_p): New. (function_types_compatible_p): Add extra parameter, change all callers. (type_lists_compatible_p): Likewise. (comptypes): Likewise. (struct tagged_tu_seen): New. (tagged_tu_seen_base): New. (build_unary_op): Handle TRANSLATION_UNIT_DECL. (c_mark_addressable): Remove #if 0 code. * calls.c (special_function_p): Handle TRANSLATION_UNIT_DECL, add comment explaining why it shouldn't have to. * cgraph.h (struct cgraph_node): Add chain_next and chain_prev GTY options. * cppinit.c (cpp_read_next_file): New. (cpp_read_main_file): Use it. * cpplib.c (undefine_macros): New. (cpp_undef_all): New. * cpplib.h (cpp_read_next_file): Prototype. (cpp_undef_all): Prototype. * langhooks-def.h (write_global_declarations): Remove prototype. * toplev.h (write_global_declarations): Add prototype. * tree.c (decl_type_context): Use switch statement, handle TRANSLATION_UNIT_DECL. * tree.def: Update documentation for TRANSLATION_UNIT_DECL. (TRANSLATION_UNIT_DECL): New kind of tree. * tree.h: Update documentation for TRANSLATION_UNIT_DECL. * Makefile.in (c-decl.o): Add $(HASHTAB_H) to dependencies. * doc/invoke.texi: Make attempt to document new functionality. 2003-05-19 Per Bothner * gcc.c (combine_inputs): New. (process_command): Set combine_inputs. (do_spec_1): Handle combine_inputs. (main): Likewise. Index: cp/ChangeLog 2003-07-10 Geoffrey Keating * decl.c (cp_finish_decl): Handle 'used' attribute. * cp-lang.c (c_reset_state): New dummy routine. * cp-tree.h (finish_file): Move prototype to c-common.h. * parser.c (c_parse_file): Rename from yyparse; don't call finish_file. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@69224 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/cpplib.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) (limited to 'gcc/cpplib.c') diff --git a/gcc/cpplib.c b/gcc/cpplib.c index 1dfef726954..f0096812c08 100644 --- a/gcc/cpplib.c +++ b/gcc/cpplib.c @@ -109,6 +109,7 @@ static unsigned int read_flag (cpp_reader *, unsigned int); static int strtoul_for_line (const uchar *, unsigned int, unsigned long *); static void do_diagnostic (cpp_reader *, int, int); static cpp_hashnode *lex_macro_node (cpp_reader *); +static int undefine_macros (cpp_reader *, cpp_hashnode *, void *); static void do_include_common (cpp_reader *, enum include_type); static struct pragma_entry *lookup_pragma_entry (struct pragma_entry *, const cpp_hashnode *); @@ -540,6 +541,45 @@ do_undef (cpp_reader *pfile) check_eol (pfile); } +/* Undefine a single macro/assertion/whatever. */ + +static int +undefine_macros (cpp_reader *pfile, cpp_hashnode *h, + void *data_p ATTRIBUTE_UNUSED) +{ + switch (h->type) + { + case NT_VOID: + break; + + case NT_MACRO: + if (pfile->cb.undef) + (*pfile->cb.undef) (pfile, pfile->directive_line, h); + + if (CPP_OPTION (pfile, warn_unused_macros)) + _cpp_warn_if_unused_macro (pfile, h, NULL); + + /* and fall through... */ + case NT_ASSERTION: + _cpp_free_definition (h); + break; + + default: + abort (); + } + h->flags &= ~NODE_POISONED; + return 1; +} + +/* Undefine all macros and assertions. */ + +void +cpp_undef_all (cpp_reader *pfile) +{ + cpp_forall_identifiers (pfile, undefine_macros, NULL); +} + + /* Helper routine used by parse_include. Reinterpret the current line as an h-char-sequence (< ... >); we are looking at the first token after the <. Returns a malloced filename. */ -- cgit v1.2.3