Index: ChangeLog

2003-07-10  Geoffrey Keating  <geoffk@apple.com>

	* 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 <hashtab.h>.
	(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 <bothner@apple.com>

	* 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  <geoffk@apple.com>

	* 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

1 files changed, 17 insertions, 3 deletions

diff --git a/gcc/c-tree.h b/gcc/c-tree.h
index 593877aee73..adfea88924b 100644
--- a/gcc/c-tree.h
+++ b/gcc/c-tree.h
@@ -46,7 +46,7 @@ struct lang_identifier GTY(())
 
 union lang_tree_node 
   GTY((desc ("TREE_CODE (&%h.generic) == IDENTIFIER_NODE"),
-       chain_next ("(union lang_tree_node *)TREE_CHAIN (&%h.generic)")))
+       chain_next ("TREE_CODE (&%h.generic) == INTEGER_TYPE ? (union lang_tree_node *)TYPE_NEXT_VARIANT (&%h.generic) : (union lang_tree_node *)TREE_CHAIN (&%h.generic)")))
 {
   union tree_node GTY ((tag ("0"), 
 			desc ("tree_node_structure (&%h)"))) 
@@ -146,6 +146,11 @@ struct lang_type GTY(())
 	|| (TYPE_ARG_TYPES (TREE_TYPE (EXP)) == 0	\
 	    && !DECL_BUILT_IN (EXP)))
 
+/* Nonzero for a decl which is at file scope.  */
+#define C_DECL_FILE_SCOPE(EXP) 					\
+  (! DECL_CONTEXT (EXP)						\
+   || TREE_CODE (DECL_CONTEXT (EXP)) == TRANSLATION_UNIT_DECL)
+
 /* For FUNCTION_TYPE, a hidden list of types of arguments.  The same as
    TYPE_ARG_TYPES for functions with prototypes, but created for functions
    without prototypes.  */
@@ -157,7 +162,6 @@ extern tree lookup_interface (tree);
 extern tree is_class_name (tree);
 extern tree objc_is_id (tree);
 extern void objc_check_decl (tree);
-extern void finish_file (void);
 extern int objc_comptypes (tree, tree, int);
 extern tree objc_message_selector (void);
 extern tree lookup_objc_ivar (tree);
@@ -226,6 +230,7 @@ extern tree c_begin_compound_stmt (void);
 extern void c_expand_deferred_function (tree);
 extern void c_expand_decl_stmt (tree);
 extern tree make_pointer_declarator (tree, tree);
+extern void merge_translation_unit_decls (void);
 
 /* in c-objc-common.c */
 extern int c_disregard_inline_limits (tree);
@@ -242,9 +247,17 @@ extern bool c_warn_unused_global_decl (tree);
 			  ((VOLATILE_P) ? TYPE_QUAL_VOLATILE : 0))
 
 #define c_sizeof_nowarn(T)  c_sizeof_or_alignof_type (T, SIZEOF_EXPR, 0)
+
 /* in c-typeck.c */
+
+/* For use with comptypes.  */
+enum {
+  COMPARE_STRICT = 0,
+  COMPARE_DIFFERENT_TU = 1
+};
+
 extern tree require_complete_type (tree);
-extern int comptypes (tree, tree);
+extern int comptypes (tree, tree, int);
 extern tree c_size_in_bytes (tree);
 extern bool c_mark_addressable (tree);
 extern void c_incomplete_type_error (tree, tree);
@@ -301,6 +314,7 @@ extern int system_header_p;
 
 /* In c-decl.c */
 extern void c_finish_incomplete_decl (tree);
+extern void c_write_global_declarations (void);
 
 extern GTY(()) tree static_ctors;
 extern GTY(()) tree static_dtors;