changelog

gcc-2.95.3 Linux下最常用的C编译器

	specifically for a type; these are not hidden by functions and
	variables.
	(lookup_member): Use SET_BASELINK_P.
	* tree.c (is_overloaded_fn): Use BASELINK_P.
	(really_overloaed_fn): Likewise.
	(get_first_fn): Likewise.

1999-04-05  Mark Mitchell  <[e-mail]>

	* decl.c (lookup_name_current_level): Tweak, and improve
	documentation.

	* class.c (maybe_fixup_vptrs): Remove declaration.
	(build_class_init_list): Likewise.
	* decl.c (pushdecl_class_level): Call check_template_shadow here
	...
	(push_class_level_binding): ... not here.
	* search.c (dfs_push_type_decls): Only avoid
	template-self-reference TYPE_DECLs if they are from base classes.

1999-04-04  Mark Mitchell  <[e-mail]>

	* pt.c (check_template_shadow): Don't treat OVERLOADs as _DECL
	nodes.  Tidy.

1999-04-03  Jason Merrill  <[e-mail]>

	* class.c (maybe_fixup_vptrs, build_class_init_list): Lose.
	(finish_struct_1): Don't call build_class_init_list.

1999-04-02  Mark Mitchell  <[e-mail]>

	* tinfo.h (__class_type_info): Fix illegal declaration.

	* cp-tree.def (TEMPLATE_ID_EXPR): Update comment.
	* cp-tree.h (INHERITED_VALUE_BINDING_P): New macro.
	(IDENTIFIER_CLASS_VALUE): Improve documentation.
	(is_properly_derived_from): Declare.
	(invalidate_class_lookup_cache): Likewise.
	(maybe_maybe_note_name_used_in_class): Likewise.
	(note_name_declared_in_class): Likewise.
	(push_using_decl): Remove duplicate declaration.
	(id_in_current_class): Remove declaration.
	(push_class_binding): Change prototype.
	(clear_identitifer_class_values): Declare.
	* call.c (is_properly_derived_from): Make it global.
	(build_new_function_call): Be careful about updating candidates.
	(build_new_method_call): Handle COMPONENT_REFs.  Don't crash when
	asked to make illegal calls.
	* class.c: Include splay-tree.h.
	(class_stack_node): Add names_used slot.
	(check_member_decl_is_same_in_complete_scope): Remove.
	(add_method): Fix comment.  Push the declaration into class
	scope.
	(finish_struct_1): When popping the class, pop the bindings too.
	Remove check for data member/function member conflict.
	(finish_struct): Remove calls to
	check_member_decl_is_same_in_complete_scope.  Change calls to
	popclass.
	(pushclass): Clear names_used in the class stack entry.
	Use invalidate_class_lookup_cache to remove cached entries, rather
	than magic values with popclass.  Clear IDENTIFIER_CLASS_VALUE
	before entering a new class.  Remove dead code.  Don't mess with
	current_function_decl when pushing declarations.
	(invalidate_class_lookup_cache): New function, split out from ...
	(popclass): Here.  Clean up names_used on our way out.
	(instantiate_type): Adjust.
	(build_self_reference): Don't push the declaration here.
	(maybe_note_name_used_in_class): New function.
	(note_name_declared_in_class): Likewise.
	* decl.c (add_binding): Change prototype.
	(find_class_binding_level): New function.
	(innermost_nonclass_level): Likewise.
	(current_binding_level): Update documentation.
	(inner_binding_level): Remove.  Replace with current_binding_level
	throughout.
	(push_binding_level): Remove special handling of
	class_binding_level.
	(pop_binding_level): Likewise.  Use find_class_binding_level.
	(suspend_binding_level): Likewise.
	(global_bindings_p): Use innermost_nonclass_level.
	(toplevel_bindings_p): Likewise.
	(namespace_bindings_p): Likewise.
	(pseudo_global_level_p): Likewise.
	(push_binding): Clear INHERITED_VALUE_BINDING_P.
	(add_binding): Check for illegal multiple declarations.  Return a
	value indicating whether or not the new binding was legal.
	(push_local_binding): Skip over class binding levels.  Check
	return value from add_binding.
	(push_class_binding): Set INHERITED_VALUE_BINDING_P.  Call
	note_name_declared_in_class.
	(pushlevel_class): Remove "fake out the rest of the compiler"
	code.
	(poplevel_class): Reset IDENTIFIER_CLASS_VALUEs.
	(clear_identifier_class_values): New function.
	(pop_from_top_level): Use it.
	(pop_everything): Tweak.
	(maybe_process_template_type_declaration): Don't push the
	declaration for the template here.
	(pushtag): Don't push tag declarations into class scope here.
	(pushdecl): Apply DeMorgan's law for readability.
	(pushdecl_class_level): Remove special-case code for
	TYPE_BEING_DEFINED.  Handle OVERLOADs and anonymous unions.
	(push_class_level_bindng): Deal with inherited bindings.
	(lookup_name_real): Remove special-case code for
	TYPE_BEING_DEFINED, and some implicit typename magic.
	(grokdeclarator): Handle COMPONENT_REF for a template function.
	(build_enumerator): Don't call pushdecl_class_level here.
	(id_in_current_class): Remove.
	* decl2.c (grokfield): Don't call pushdecl_class_level or
	check_template_shadow.
	* errfn.c (cp_file_of): Don't declare.
	(cp_line_of): Likewise.
	* error.c (dump_decl): Handle an OVERLOAD.
	(cp_file_of): Likewise.
	(cp_line_of): Likewise.
	* init.c (build_member_call): Handle a COMPONENT_REF.
	* lex.c (do_identifier): Call maybe_note_name_used_in_class, not
	pushdecl_class_level.
	* method.c (hack_identifier): Build COMPONENT_REFs for references
	to member templates as well as member functions.  Remove dead
	code.
	* parse.y (left_curly): Remove.
	(nonnested_type): Call maybe_note_name_used_in_class, not
	pushdecl_class_level.
	* parse.c: Regenerated.
	(nested_name_specifier_1): Likewise.
	* pt.c (check_explicit_specialization): Adjust, for robustness.
	(check_template_shadow): Handle OVERLOADs.
	(build_template_decl): Set DECL_CONSTRUCTOR_P on the
	TEMPLATE_DECL, if appropriate.
	* search.c (envelope_add_decl): Remove.
	(dfs_pushdecls): Likewise.
	(dfs_compress_decls): Likewise.
	(dfs_push_decls): New function.
	(dfs_push_type_decls): Likewise.
	(setup_class_bindings): Likewise.
	(template_self_reference_p): Likewise.
	(lookup_field_r): Use it.
	(looup_member): Remove old comment.  Deal with ambiguity.
	(push_class_decls): Use dfs_push_decls and dfs_push_type_decls,
	and remove envelope processing.
	* semantics.c (begin_class_definition): Let pushclass push
	declarations for base classes.
	(finish_member_declaration): Push declarations into class scope.
	* typeck.c (build_component_ref): Just put an OVERLOAD into the
	COMPONENT_REF, not a TREE_LIST of an OVERLOAD.
	(build_x_function_call): Deal with OVERLOAD.  Handle template-ids.
	* Makefile.in (class.o): Depend on splay-tree.h.

Wed Mar 31 11:30:43 1999  Nathan Sidwell  <[e-mail]>

	* cvt.c (convert_pointer_to_real): Use same_type_p.
	* typeck.c (comp_target_types): Use same_type_p.

1999-03-31  Jason Merrill  <[e-mail]>

	* semantics.c (begin_inline_definitions,
	finish_inline_definitions): Rename from finish_default_args and
	begin_inline_definitions, respectively, to something that isn't a
	total lie.  :)
	* parse.y (structsp): Adjust.

	* tree.c (hash_tree_cons): Remove obsolete via_* parms.
	(list_hash_lookup): Likewise.
	(hash_tree_chain): Adjust.
	* pt.c (tsubst): Adjust.
	(tsubst_arg_types): Use plain hash_tree_cons.
	* cp-tree.h (hash_tree_cons_simple): Lose.
	* parse.y (declmods, nonempty_cv_qualifiers): Use hash_tree_cons.

Wed Mar 31 10:48:29 1999  Kaveh R. Ghazi  <[e-mail]>

	* Makefile.in (hash.h): Generate using gperf language 'C', not
	'KR-C', so gperf uses the `const' keyword on strings.

	* gxx.gperf (resword): Const-ify a char*.

1999-03-30  Jason Merrill  <[e-mail]>

	* cp-tree.h (IDENTIFIER_AS_DESC, IDENTIFIER_AS_LIST,
	CLASSTYPE_BASELINK_VEC, CLASSTYPE_N_SUPERCLASSES,
	CLASSTYPE_N_BASECLASSES, CLASSTYPE_MAX_DEPTH,
	CLASSTYPE_BASE_INIT_LIST, CLASSTYPE_AS_LIST, CLASSTYPE_ID_AS_LIST,
	CLASSTYPE_BINFO_AS_LIST): Remove cruft.
	* class.c, lex.c, parse.y, ptree.c, search.c, semantics.c,
	tree.c: Adjust.

1999-03-29  Jason Merrill  <[e-mail]>

	* decl2.c (lang_decode_option): Remove -Wsign-promo from -Wall.

1999-03-28  Jason Merrill  <[e-mail]>

	* pt.c (fn_type_unification): Ignore 'this' parm from conversion ops.

1999-03-27  Mark Mitchell  <[e-mail]>

	* cp-tree.h (add_friend): Declare.
	(add_friends): Likewise.
	* friend.c (add_friend): Make it global.  Don't add to
	DECL_BEFRIENDING_CLASSES if the befriending class is a template.
	(add_friends): Make it global.
	(make_friend_class): Don't add to DECL_BEFRIENDING_CLASSES if the
	befriending class is a template.
	* parse.y (component_decl_1): Fix typo in comment.
	* parse.c: Regenerated.
	* pt.c (instantiate_class_template): Use add_friend and
	add_friends rather that duplicating some of their functionality
	here.

1999-03-27  Jason Merrill  <[e-mail]>

	* call.c (build_field_call): Unify 'this' and non-'this' cases.

	* typeck.c (build_indirect_ref): Check for 'this' sooner.

Fri Mar 26 10:20:34 1999  Kaveh R. Ghazi  <[e-mail]>

	* call.c (op_error): Const-ify a char*.
	(add_candidate, source_type, add_warning): Add static prototype.
	(print_z_candidates): Const-ify a char*.

	* class.c (resolve_address_of_overloaded_function,
	fixed_type_or_null, build_vtable_entry_ref): Add static prototype.
	(get_vtable_name, finish_struct_1): Const-ify a char*.

	* cvt.c (convert_to_reference): Likewise.

	* decl.c (redeclaration_error_message, record_builtin_type,
	record_unknown_type, member_function_or_else, bad_specifiers):
	Likewise.
	(find_binding, select_decl, unqualified_namespace_lookup,
	lookup_flags, qualify_lookup, record_builtin_java_type, tag_name):
	Add static prototype.
	(warn_extern_redeclared_static, duplicate_decls, pushdecl,
	implicitly_declare, record_builtin_java_type, define_function,
	grok_op_properties, tag_name): Const-ify a char*.

	* cp-tree.h (FORMAT_VBASE_NAME): Allow parameter `BUF' to be const.
	(define_function, finish_builtin_type): Const-ify a char*.
	(cp_error, cp_error_at, cp_warning, cp_warning_at, cp_pedwarn,
	cp_pedwarn_at, cp_compiler_error, cp_sprintf): Add prototype args.
	(file_name_nondirectory): Const-ify a char*.
	(init_filename_times): Don't prototype.
	(compiler_error): Prototype.
	(yyerror, init_repo): Const-ify a char*.
	(build_srcloc): Don't prototype.
	(build_x_indirect_ref, build_indirect_ref, build_component_addr):
	Const-ify a char*.
	(warn_for_assignment): Don't prototype.
	(convert_for_initialization, readonly_error, check_for_new_type,
	GNU_xref_begin, GNU_xref_file, GNU_xref_ref, GNU_xref_call):
	Const-ify a char*.

	* decl2.c (acceptable_java_type, output_vtable_inherit,
	setup_initp, start_objects, finish_objects, do_dtors, do_ctors,
	merge_functions, decl_namespace, validate_nonmember_using_decl,
	do_nonmember_using_decl): Add static prototype.
	(lang_f_options): Const-ify a char*.
	(finish_builtin_type): Likewise.
	(add_function, arg_assoc_namespace, arg_assoc_class): Add static
	prototype.

	* errfn.c: Include cp-tree.h.
	(cp_thing): Add static prototype.
	(compiler_error): Don't protoptype.
	(cp_compiler_error): Cast `compiler_error' to `errorfn' before
	passing it to `cp_thing'.

	* error.c (interesting_scope_p): Add static prototype.

	* except.c (build_eh_type_type, build_eh_type_type_ref): Const-ify
	a char*.

	* init.c (compiler_error): Don't prototype.
	(member_init_ok_or_else): Const-ify a char*.
	(build_java_class_ref): Add static prototype.

	* lex.c (compiler_error): Don't prototype.
	(get_time_identifier, interface_strcmp, extend_token_buffer,
	handle_cp_pragma): Const-ify a char*.
	(is_global, init_filename_times): Add static prototype.
	(file_name_nondirectory, cplus_tree_code_name): Const-ify a char*.
	(compiler_error): Change from fixed args to variable args.
	(yyerror): Const-ify a char*.

	* parse.y (cond_stmt_keyword): Const-ify a char*.
	(parse_decl): Add static prototype.

	* pt.c (template_args_equal, print_template_context): Likewise.
	(print_candidates, check_default_tmpl_args): Const-ify a char*.
	(instantiate_class_template): Likewise.

	* repo.c (get_base_filename, open_repo_file, init_repo): Likewise.

	* rtti.c (call_void_fn, expand_generic_desc, expand_si_desc,
	expand_class_desc, expand_ptr_desc, expand_attr_desc): Likewise.

	* search.c (lookup_field_info, lookup_member): Likewise.
	(lookup_member): Cast the first argument of `bzero' to a PTR.

	* sig.c (compiler_error): Don't prototype.
	(build_signature_pointer_or_reference_nam): Const-ify a char*.
	(get_sigtable_name, build_member_function_pointer): Likewise.

	* tree.c (compiler_error): Don't prototype.
	(no_linkage_helper, build_srcloc): Add static prototype.
	(build_vbase_pointer_fields): Const-ify a char*.
	(__eprintf): Don't unnecessarily handle `const' when !__STDC__.

	* typeck.c (compiler_error): Don't prototype.
	(convert_for_assignment): Const-ify a char*.
	(comp_cv_target_types): Add static prototype.
	(build_x_indirect_ref, build_indirect_ref, convert_arguments,
	build_component_addr, build_unary_op, convert_for_initialization):
	Const-ify a char*.

	* typeck2.c (ack): Add static prototype and change from fixed args
	to variable args.
	(readonly_error, check_for_new_type): Const-ify a char*.

	* xref.c (_XREF_FILE, find_file, filename, fctname, declname,
	fixname, open_xref_file, classname, GNU_xref_begin): Likewise.
	(GNU_xref_file): Likewise.  Also use `xmalloc' instead of `malloc'.
	(GNU_xref_end_scope, GNU_xref_ref, GNU_xref_decl, GNU_xref_call,
	gen_assign, GNU_xref_member): Const-ify a char*.

1999-03-25  Martin von L鰓is  <[e-mail]>

	* gxxint.texi: Remove old discussion on copying virtual bases.

1999-03-25  Zack Weinberg  <[e-mail]>

	* Make-lang.in: Remove all references to g++.o/g++.c.
	Link g++ from gcc.o.

1999-03-25  Jason Merrill  <[e-mail]>

	* decl2.c (comdat_linkage): Treat vtables like functions.

1999-03-25  Mark Mitchell  <[e-mail]>

	* pt.c (tsubst_decl): tsubst into DECL_BEFRIENDING_CLASSES.

1999-03-25  Nathan Sidwell  <[e-mail]>

	* decl.c (init_decl_processing): Add `signed' type as a synonym
	for `int'.

1999-03-25  Jason Merrill  <[e-mail]>

	* typeck.c (common_type): Handle cv-qual unification for pointers