* scan.h: Convert to ISO C.
	* system.h: Likewise.

From-SVN: r68027

From-SVN: r66344

	* input.h (lineno): Rename to ...
	(input_line): ... here.
	* tree.h (lineno): Rename to ...
	(input_line): ... here.
	* scan.h (lineno): Rename to ...
	(input_line): ... here.
	* toplev.c (lineno): Rename to ...
	(input_line): ... here.
	(push_srcloc, pop_srcloc):  Rename lineno to input_line.
	* c-common.c (c_expand_start_cond, fname_decl): Likewise.
	* c-decl.c (poplevel, pop_label_level, lookup_label, lookup_tag,
	store_parm_decls, c_expand_body_1): Likewise.
	* c-errors.c (pedwarn_c99): Likewise.
	* c-format.c (status_warning): Likewise.
	* c-lex.c (fe_file_change, cb_def_pragma, c_lex): Likewise.
	* c-opts.c (c_common_post_options, c_common_parse_file): Likewise.
	* c-parse.in (save_filename, maybe_type_qual, ifc): Likwise.
	* c-semantics.c (finish_stmt_tree, build_stmt, emit_local_var,
	gentrtl_goto_stmt, genrtl_expr_stmt_value, genrtl_decl_stmt,
	genrtl_if_stmt, genrtl_while_stmt, genrtl_do_stmt,
	genrtl_return_stmt, genrtl_for_stmt, build_break_stmt,
	build_continue_stmt, genrtl_switch_stmt, genrtl_asm_stmt,
	prep_stmt, find_reachable_label, expand_unreachable_stmt): Likewise.
	* coverage.c (create_coverage): Likewise.
	* diagnostic.c (pedwarn, sorry, error, fatal_error,
	internal_error, warning, diagnostic_report_current_module,
	inform): Likewise.
	* expr.c (expand_expr): Likewise.
	* integrate.c (expand_inline_function,
	output_inline_function): Likewise.
	* rtl-error.c (file_and_line_for_asm): Likewise.
	* tree-inline.c (find_alloca_call, find_builtin_longjmp_call,
	walk_tree): Likewise.
	* tree.c (make_node): Likewise.
	* ada, cp, f, java, objc, treelang: Likewise.

	ada
	* trans.c (build_unit_elab, set_lineno): Rename lineno to
	input_line.
	* utils.c (pushdecl, create_label_decl, begin_subprog_body,
	end_subprog_body): Likewise.
	* utils2.c (build_call_raise): Likewise.

	cp
	* class.c (finish_struct): Rename lineno to input_line.
	* decl.c (push_binding_level, pop_binding_level,
	suspend_binding_level, resume_binding_level, make_label_decl,
	use_label, start_function): Likewise.
	* decl2.c (warn_if_unknown_interface,
	start_static_initialization_or_destruction,
	generate_ctor_or_dtor_function, finish_file): Likewise.
	* error.c (cp_line_of, print_instantiation_full_context,
	print_instantiation_context): Likewise.
	* except.c (check_handlers_1, check_handlers): Likewise.
	* init.c (create_temporary_var): Likewise.
	* method.c (use_thunk, synthesize_method): Likewise.
	* parser.c (cp_lexer_set_source_position_from_token,
	cp_lexer_get_preprocessor_token): Likewise.
	* pt.c (push_tinst_level, pop_tinst_level,
	tsubst_friend_function, instantiate_class_template, tsubst_decl,
	tsubst, tsubst_expr, instantiate_decl): Likewise.
	* semantics.c (genrtl_try_block, finish_label_stmt,
	begin_class_definition, expand_body,
	genrtl_finish_function): Likewise.
	* tree.c (build_min_nt, build_min): Likewise.

	f
	* ansify.c (die_unless): Rename lineno to input_line.
	* com.c (ffecom_subscript_check_, ffecom_do_entry_,
	ffecom_gen_sfuncdef_, ffecom_start_progunit_,
	ffecom_sym_transform_, ffecom_sym_transform_assign_,
	bison_rule_pushlevel_, bison_rule_compstmt_, finish_function,
	store_parm_decls): Likewise.
	* intrin.c (ffeintrin_fulfill_generic): Likewise.
	* lex.c (ffelex_hash_, ffelex_include_, ffelex_next_line_,
	ffelex_file_fixed, ffelex_file_free): Likewise.
	* std.c (ffestd_exec_end): Likewise.
	* ste.c (ffeste_emit_line_note_, ffeste_start_block_,
	ffeste_start_stmt_): Likewise.
	* ste.h (ffeste_filelinenum, ffeste_set_line): Likewise.

	java
	* lex.h (lineno): Rename to ...
	(input_line): ... here
	* parse-scan.y (lineno): Rename to ...
	(input_line): ... here.
	(reset_report): Rename lineno to input_line.
	* check-init.c (check_init): Likewise.
	* class.c (push_class): Likewise.
	* decl.c (complete_start_java_method, end_java_method): Likewise.
	* expr.c (expand_byte_code): Likewise.
	* jcf-parse.c (give_name_to_class, parse_class_file): Likewise.
	* jcf-write.c (generate_bytecode_insns): Likewise.
	* lex.c (java_init_lex, java_allocate_new_line,
	do_java_lex): Likewise.
	* parse.h (YYNOT_TWICE): Likewise.
	* parse.y (empty_statement, expression_statement,
	java_pop_parser_context, java_parser_context_save_global,
	yyerror, register_fields, method_header, safe_layout_class,
	find_in_imports_on_demand, create_artificial_method,
	source_end_java_method, start_complete_expand_method,
	build_thisn_assign, java_complete_lhs,
	maybe_absorb_scoping_block): Likewise.

	objc
	* objc-act.c (objc_init): Rename lineno to input_line.
	(build_module_descriptor, build_selector_translation_table,
	build_protocol_template, build_method_prototype_list_template,
	build_category_template, build_selector_table,
	build_class_template, build_super_template, build_ivar_template,
	build_ivar_list_template, build_method_list_template,
	build_method_template, add_instance_variable): Likewise.

	treelang
	* tree1.c (treelang_init): Rename lineno to input_line.

From-SVN: r66333

        * coretypes.h (cpp_reader): Forward declare struct.
        * c-pragma.h (cpp_reader): Remove forward declaration.
        * hashtable.h (cpp_reader): Likewise.
        * scan.h (cpp_reader): Likewise.
        * tree.h (cpp_reader): Likewise.
        * config/darwin-protos.h (cpp_reader): Likewise.
        * config/arm/arm-protos.h (cpp_reader): Likewise.
        * config/rs6000/rs6000-protos.h: Remove GCC_CPPLIB_H ifdef, use
        struct cpp_reader in prototypes.

From-SVN: r62050

	* c-common.h: Fix comment formatting.
	* c-dump.c: Likewise.
	* cfg.c: Likewise.
	* diagnostic.h: Likewise.
	* except.c: Likewise.
	* gcc.h: Likewise.
	* gcov-io.h: Likewise.
	* genattrtab.c: Likewise.
	* output.h: Likewise.
	* predict.h: Likewise.
	* reload1.c: Likewise.
	* reload.h: Likewise.
	* resource.h: Likewise.
	* scan.h: Likewise.
	* system.h: Likewise.
	* tree.h: Likewise.
	* tree-inline.c: Likewise.
	* tsystem.h: Likewise.
	* varasm.c: Likewise.
	* xcoffout.h: Likewise.

From-SVN: r46122

        * c-lex.c (cb_enter_file, cb_leave_file, cb_rename_file):
        Combine into the new function cb_change_file.
        (init_c_lex): Update.
        * cppfiles.c (stack_include_file): Use _cpp_do_file_change.
        (cpp_syshdr_flags): Delete.
        * cpphash.h (_cpp_do_file_change): New prototype.
        Move struct cpp_buffer here from...
        * cpplib.h (struct cpp_buffer): ... here.
        (enum cpp_fc_reason, struct cpp_file_loc,
        struct_cpp_file_change, change_file): New.
        (enter_file, leave_file, rename_file, cpp_syshdr_flags): Delete.
        * cpplib.c (do_line): Update for new cb_change_file callback.
        (_cpp_do_file_change): New function.
        (_cpp_pop_buffer): Update to use it.
        * cppmain.c (move_printer): Delete.
        (main): Set up single callback cb_change_file.
        (cb_enter_file, cb_leave_file, cb_rename_file): Delete.
        (cb_change_file): New.
        * fix-header.c (cur_file, cb_change_file): New.
        (recognized_function, read_scan_file): Update.
        * scan-decls.c (scan_decls): Update.
        * scan.h (recognized_function): Update prototype.

From-SVN: r37784

2000-10-28  Neil Booth  <neilb@earthling.net>

	New macro expander.

	* cpplib.c (struct answer): New.
	(struct if_stack): Use cpp_lexer_pos rather than line and col.
	Rename cmacro mi_cmacro.
	(struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
	IN_I): New directive and flags.
	(skip_rest_of_line, check_eol, run_directive, glue_header_name,
	parse_answer, parse_assertion, find_answer): New functions.
	(parse_ifdef, detect_if_not_defined, validate_else): Remove.
	(lex_macro_node): New function to replace parse_ifdef and
	get_define_node.

	(_cpp_handle_directive): New function, combines _cpp_check_directive
	and _cpp_check_linemarker.

	(do_define, do_undef, parse_include, do_include, do_import,
	do_include_next, read_line_number, do_line, do_ident, do_pragma,
	do_pragma_once, do_pragma_poison, do_pragma_dependency):
	Update for new token getting interface.

	(do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
	: Update for new multiple-include optimisation technique.
	(do_elif): Don't forget to invalidate controlling macros.

	(unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
	(parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
	Functions to handle assertions with the new token interface.
	(do_assert, do_unassert): Use them.

	(cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
	Use run_directive.

	(_cpp_init_stacks): Register directive names.  Don't register special
	nodes.

	* cpperror.c (print_containing_files, _cpp_begin_message): Update to
	new position recording regime.
	(cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
	cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
	cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
	(cpp_type2name): Move to cpplex.c.

	* cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
	(parse_defined): Update to handle new multiple include optimisation
	method.  Remove poisoned identifier warning.
	(parse_assertion, TYPE_NAME): Delete.
	(lex): Update for multiple include optimisation, removal of
	CPP_DEFINED, to use _cpp_test_assertion for assertions and
	cpp_token_as_text.
	(_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
	(op_as_text): New function, to wrap cpp_token_as_text.

	* cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
	Update for MI optimisation.
	(_cpp_execute_include): Take a token rather than 3 arguments.  Fix
	segfault on diagnostic.
	(_cpp_compare_file_date): Take a token rather than 3 args.
	(cpp_read_file): Work correctly for zero-length files.

	* cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
	_cpp_init_hashtable and _cpp_cleanup_hashtable.
	(cpp_lookup): Place identifiers at front of identifier pool
	for _cpp_lookup_with_hash.
	(_cpp_lookup_with_hash): Require identifiers to be at the front of
	the identifier pool.  Commit the memory if not already in the
	hash table.

	* cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
	Initialise various members of cpp_reader, memory pools, and the
	special nodes.
	(cpp_printer_init): Delete.
	(cpp_cleanup): Update.
	(struct builtin, builtin_array, initialize_builtins): Update for new
	hashnode definition and builtin handling.
	(cpp_start_read, cpp_finish): Don't take or initialise a
	printer.  Update.

	* cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
	PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
	T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
	T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
	(struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
	struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
	NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
	struct toklist, struct cpp_context, struct specnodes,
	TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
	NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
	enum builtin_type, cpp_can_paste): New.
	(struct cpp_token): Delete line and col members.
	(struct cpp_buffer): New member output_lineno.
	(struct lexer_state): Delete indented, in_lex_line, seen_dot.
	Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
	(struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
	ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
	base_context, context, directive, mi_state, mi_if_not_defined,
	mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
	mlstring_pos, macro_buffer, macro_buffer_len.
	Delete members mls_line, mls_column, token_list, potential_control_macro,
	temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
	context_cap, cur_context, no_expand_level, paste_level, contexts, args,
	save_parameter_spellings, need_newline, .
	Change type of date, time and spec_nodes members.
	Change prototypes for include and ident callbacks.
	(struct cpp_hashnode): Change type of name.  Remove union members
	expansion and code.  Add members macro, operator and builtin.

	(cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
	cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
	cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
	cpp_stop_lookahead): New prototypes.
	(cpp_printer_init, cpp_dump_definition): Delete prototypes.

	(U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
	Move from cpphash.h.

	* cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
	ufputs): Move to cpplib.h.
	(enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
	TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
	COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
	struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
	_cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
	_cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
	_cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
	_cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
	_cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
	_cpp_parse_assertion, _cpp_find_answer): Delete.
	(VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
	POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
	_cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
	_cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
	_cpp_handle_directive, DSC): New.
	(struct include_file): New member defined.

	(DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
	_cpp_compare_file_date): Update.
	(_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
	(_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
	_cpp_cleanup_hashtable.

	* Makefile.in: Remove cppoutput.c.

	* cppoutput.c: Delete

	* fixheader.c (read_scan_file): Update for new cpp_get_token
	prototype.
	(recognized_function): New argument LINE.

	* scan-decls.c (skip_to_closing_brace, scan_decls): Update for
	new cpp_get_token prototype.

	* scan.h (recognized_function): Update prototype.

	* po/POTFILES.in: Remove cppoutput.c.

From-SVN: r37098

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

	* cpplib.h: Provide HASHNODE typedef and forward decl of
	struct hashnode only.  Kill cpp_hashnode typedef.  MACRODEF,
	DEFINITION, struct hashnode, struct macrodef, struct
	definition, scan_decls prototype, default defn of
	INCLUDE_LEN_FUDGE moved elsewhere.

	* cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
	definition, and struct hashnode moved here. Remove the unused
	'predefined' field from struct definition.  Replace the 'args'
	union with its sole member.  All users updated (cpphash.c).
	Delete HASHSTEP and MAKE_POS macros, and hashf prototype.  Add
	multiple include guard.

	* cpphash.c (hashf): Make static; use better algorithm; drop
	HASHSIZE parameter; return an unsigned int.
	(cpp_lookup): Drop HASH parameter.  PFILE parameter is
	used. Calculate HASHSIZE modulus here.
	(cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
	here.
	(create_definition): Drop PREDEFINITION parameter.
	* cpplib.c (do_define): Don't calculate a hash value here.
	Don't pass (keyword == NULL) to create_definition.

	* scan.h: Prototype scan_decls here.
	* cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
	* cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
	callers of cpp_lookup and cpp_install updated.

From-SVN: r31881

	* Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
	(gen_protos.o): Don't depend on cpplib.h or cpphash.h.
	(fix-header.o): Don't depend on cpphash.h.

	* scan.c (hashstr): New function.
	* scan.h: Prototype it.
	* fix-header.c: Don't include cpphash.h.  Use hashstr.
	* gen-protos.c: Don't include cpphash.h or cpplib.h.  Use
	hashstr.  Report hash table statistics.  Add private
	definition of xrealloc.

From-SVN: r31854

        * fix-header.c (recognized_extern, recognized_function): Constify
        a char*.

        * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
        (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
        (compute_available): Remove unused variable `last'.
        (compute_nearerout): Remove unused variable `temp_bitmap'.
        (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
        Remove unused variable `x'.

        * scan.h (recognized_function, recognized_extern): Constify a
        char*.

        * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.

From-SVN: r30380

From-SVN: r24836

        * final.c (bb_str): Qualify a char* with the keyword `const'.
        (add_bb_string, final_scan_insn, output_asm_insn): Likewise.
        * fix-header.c (read_scan_file): Likewise.
        * genoutput.c (output_epilogue, process_template): Likewise.
        * local-alloc.c (requires_inout, block_alloc): Likewise.
        * output.h (output_asm_insn, assemble_string): Likewise.
        * recog.c (recog_constraints, check_asm_operands,
        decode_asm_operands, extract_insn, preprocess_constraints,
        constrain_operands): Likewise.
        * recog.h (operand_alternative, recog_constraints, insn_template,
        insn_outfun, insn_operand_constraint, insn_name): Likewise.
        * regclass.c (record_reg_classes, scan_one_insn): Likewise.
        * regmove.c (find_matches): Likewise.
        * reload.c (alternative_allows_memconst): Likewise.
        * reload1.c (constraint_accepts_reg_p,
        reload_cse_simplify_operands): Likewise.
        * rtl.h (decode_asm_operands): Likewise.
        * scan.h (fn_decl): Likewise.
        * varasm.c (assemble_string): Likewise.

From-SVN: r24834

From-SVN: r24536

        * system.h: Include libiberty.h.
        * c-aux-info.c: Remove prototypes for concat/concat3.  Change
        function `concat' from fixed parameters to variable parameters,
        as is done in libiberty.  All callers of concat/concat3
        changed to use the new `concat' with variable args.
        * cccp.c: Remove things made redundant by libiberty.h and/or
        conform to libiberty standards.
        * cexp.y: Likewise.
        * collect2.c: Likewise.
        * config/1750a/1750a.h: Likewise.
        * cppalloc.c: Likewise.
        * cppexp.c: Likewise.
        * cppfiles.c: Likewise.
        * cpphash.c: Likewise.
        * cpplib.c: Likewise.
        * dyn-string.c: Likewise.
        * fix-header.c: Likewise.
        * gcc.c: Likewise.
        * gcov.c: Likewise.
        * genattr.c: Likewise.
        * genattrtab.c: Likewise.
        * gencheck.c: Likewise.
        * gencodes.c: Likewise.
        * genconfig.c: Likewise.
        * genemit.c: Likewise.
        * genextract.c: Likewise.
        * genflags.c: Likewise.
        * gengenrtl.c: Likewise.
        * genopinit.c: Likewise.
        * genoutput.c: Likewise.
        * genpeep.c: Likewise.
        * genrecog.c: Likewise.
        * getpwd.c: Likewise.
        * halfpic.c: Likewise.
        * hash.c: Likewise.
        * mips-tdump.c: Likewise.  Wrap malloc/realloc/calloc prototypes
        in NEED_DECLARATION_* macros.
        * mips-tfile.c: Remove things made redundant by libiberty.h and/or
        conform to libiberty standards.
        (fatal): Fix const-ification of variable `format' in
        !ANSI_PROTOTYPES case.
        * prefix.c: Remove things made redundant by libiberty.h and/or
        conform to libiberty standards.
        * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
        conflicting with function `spaces' from libiberty.
        * profile.c: Remove things made redundant by libiberty.h and/or
        conform to libiberty standards.
        * protoize.c: Likewise.
        * rtl.h: Likewise.
        * scan.h: Likewise.
        * tlink.c: Likewise.
        * toplev.c: Likewise.
        * toplev.h: Likewise.
        * tree.h: Likewise.

From-SVN: r23931

        * gansidecl.h: Prepend a "G" to the macro wrapping this file
        (to distinguish it from the macro wrapping ansidecl.h.)
        Include libiberty's ansidecl.h.  Remove all redundant definitions.
        Define the PROTO() style macros in terms of the PARAMS() ones.
        * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
        __STDC__, when deciding whether to use ANSI variable args.
        (emit_library_call_value): Likewise.
        * cccp.c (error): Likewise.
        (warning): Likewise.
        (error_with_line): Likewise.
        (warning_with_line): Likewise.
        (pedwarn): Likewise.
        (pedwarn_with_line): Likewise.
        (pedwarn_with_file_and_line): Likewise.
        (fatal): Likewise.
        * cexp.y (error): Likewise.
        (pedwarn): Likewise.
        (warning): Likewise.
        * collect2.c (fatal_perror): Likewise.
        (fatal): Likewise.
        (error): Likewise.
        * combine.c (gen_rtx_combine): Likewise.
        * cpperror.c (cpp_message): Likewise.
        (cpp_fatal): Likewise.
        * cpplib.c (cpp_error): Likewise.
        (cpp_warning): Likewise.
        (cpp_pedwarn): Likewise.
        (cpp_error_with_line): Likewise.
        (cpp_warning_with_line): Likewise.
        (cpp_pedwarn_with_line): Likewise.
        (cpp_pedwarn_with_file_and_line): Likewise.
        * cpplib.h: Don't define PARAMS() macro.
        * demangle.h: Likewise.
        * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
        when deciding whether to use ANSI variable args.
        * emit-rtl.c (gen_rtx): Likewise.
        (gen_rtvec): Likewise.
        * final.c (asm_fprintf): Likewise.
        * fix-header.c (cpp_message): Likewise.
        (fatal): Likewise.
        (cpp_fatal): Likewise.
        * gcc.c (concat): Likewise.
        (fatal): Likewise.
        (error): Likewise.
        * genattr.c (fatal): Likewise.
        * genattrtab.c (attr_rtx): Likewise.
        (attr_printf): Likewise.
        (fatal): Likewise.
        * gencodes.c (fatal): Likewise.
        * genconfig.c (fatal): Likewise.
        * genemit.c (fatal): Likewise.
        * genextract.c (fatal): Likewise.
        * genflags.c (fatal): Likewise.
        * genopinit.c (fatal): Likewise.
        * genoutput.c (fatal): Likewise.
        (error): Likewise.
        * genpeep.c (fatal): Likewise.
        * genrecog.c (fatal): Likewise.
        * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
        deciding whether to declare `tree_node' and `rtx_def'.
        * hash.h: Don't define stuff we get from gansidecl.h.
        * mips-tfile.c: Likewise.  Define __proto() in terms of PARAMS().
        (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
        whether to use ANSI variable args.
        (error): Likewise.
        * prefix.c (concat): Likewise.
        * scan.h: Likewise.
        * system.h: Likewise.
        * toplev.c (error_with_file_and_line): Likewise.
        (error_with_decl): Likewise.
        (error_for_asm): Likewise.
        (error): Likewise.
        (fatal): Likewise.
        (warning_with_file_and_line): Likewise.
        (warning_with_decl): Likewise.
        (warning_for_asm): Likewise.
        (warning): Likewise.
        (pedwarn): Likewise.
        (pedwarn_with_decl): Likewise.
        (pedwarn_with_file_and_line): Likewise.
        (sorry): Likewise.
        (really_sorry): Likewise.
        * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
        whether to declare `tree_node' and `rtx_def'.
        * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
        deciding whether to use ANSI variable args.
        (build_nt): Likewise.
        (build_parse_node): Likewise.

From-SVN: r23577

	* Makefile.in (c-lang.o): Depend on c-tree.h, c-lex.h and toplev.h.
	(c-lex.o): Depend on output.h.
	(c-common.o): Likewise.
	(stmt.o): Likewise.
	(calls.o): Likewise.
	(integrate.o): Depend on toplev.h.
	(regclass.o): Depend on output.h.
	(final.o): Depend on reload.h.
	* c-common.c: Include output.h.
	(check_format_info): Remove unused variable `integral_format'.
	* c-decl.c (print_lang_decl): Mark parameters `file', `node' and
	`indent' with ATTRIBUTE_UNUSED.
	(print_lang_type): Likewise.
	(maybe_build_cleanup): Likewise for parameter `decl'.
	(copy_lang_decl): Likewise for parameter `node'.
	* c-lang.c: Include c-tree.h, c-lex.h and toplev.h.
	(lang_print_xnode): Mark parameters `file', `node' and `indent'
 	with ATTRIBUTE_UNUSED.
	(lookup_interface): Likewise for parameter `arg'.
	(is_class_name): Likewise.
	(maybe_objc_check_decl): Likewise for parameter `decl'.
	(maybe_objc_comptypes): Likewise for parameters `lhs', `rhs' and
	`reflexive'.
	(maybe_objc_method_name): Likewise for parameter `decl'.
	(build_objc_string): Likewise for parameters `len' and `str'.
	* c-lex.c: Include output.h.
	* c-lex.h (position_after_white_space): Correct typo in prototype.
	* c-tree.h (finish_file, c_expand_start_cond, c_expand_start_else,
 	c_expand_end_cond, init_iterators): Add prototypes.
	* caller-save.c (set_reg_live): Mark parameters `reg' and `setter'
	with ATTRIBUTE_UNUSED.
	* calls.c: Include output.h.
	* cccp.c (pipe_closed): Mark parameter `signo' with
 	ATTRIBUTE_UNUSED.
	* combine.c: Move inclusion of expr.h to after insn-config.h.
	* iris6.h (ASM_IDENTIFY_GCC, ASM_IDENTIFY_LANGUAGE): Don't define
	as empty, rather define as ((void)0).
	* sparc.c (sparc_check_64): Add braces around ambiguous `else'.
	Add parentheses around assignment used as truth value.
	* cplus-dem.c (squangle_mop_up): Change return type to void.
	(internal_cplus_demangle): Remove unused parameter `options'.
	All callers changed.
	(cplus_demangle_opname): Remove function wide variable `int i' and
 	replace with `size_t i' at each location where it is used.
	(cplus_demangle_opname): change type of `i' from int to size_t.
	* cppexp.c (right_shift): Mark parameter `pfile' with
	ATTRIBUTE_UNUSED.
	* cpphash.c (cpp_lookup): Likewise.
	(cpp_hash_cleanup): Likewise.
	* cpplib.c (parse_name): Add a prototype and make it static.
	(null_underflow): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
	(null_cleanup): Likewise for parameters `pbuf' and `pfile'.
	(macro_cleanup): Likewise for parameter `pfile'.
	(file_cleanup): Likewise.
	* cpplib.h (cpp_reader_init, cpp_options_init, cpp_start_read,
 	cpp_read_check_assertion, skip_rest_of_line): Add prototypes.
	* crtstuff.c (force_to_data, __CTOR_LIST__, force_to_data,
	__DTOR_END__, __FRAME_END__): Mark with ATTRIBUTE_UNUSED.
	* cse.c (cse_check_loop_start): Mark parameter `set' with
 	ATTRIBUTE_UNUSED.
	* dbxout.c (flag_minimal_debug, have_used_extensions,
	source_label_number): Move inside macro wrapper check against
	defined (DBX_DEBUGGING_INFO) || defined (XCOFF_DEBUGGING_INFO).
	* dwarf2out.c (gen_entry_point_die): Hide prototype and definition.
	* except.h (doing_eh): Provide prototype.
	* expr.c: Move inclusion of expr.h to after insn-config.h.
	* final.c: Include reload.h.
	(shorten_branches): Cast the first argument of bzero to char *.
	* fix-header.c (cpp_print_containing_files): Mark parameter
 	`pfile' with ATTRIBUTE_UNUSED.
	(cpp_fatal): Likewise.
	* flow.c (find_basic_blocks_1): Cast the first argument of bzero
	to char *.
	* genattrtab.c (make_length_attrs): Change the type of variable
	`i' from int to size_t.
	(zero_fn): Mark parameter `exp' with ATTRIBUTE_UNUSED.
	(one_fn): Likewise.
	* genextract.c (main): When generating insn-extract.c, mark
	variable `junk' with ATTRIBUTE_UNUSED.
	* gengenrtl.c (gencode): When generating genrtl.c, cast the first
	argument of bzero to char*.
	* integrate.c: Include toplev.h.
	* libgcc2.c: Wrap `struct exception_table' and
	`find_exception_handler' in macro DWARF2_UNWIND_INFO.
	* objc/Make-lang.in (objc-act.o): Depend on toplev.h.
	* objc/objc-act.c: Include toplev.h.
	(lang_print_xnode): Mark parameters `file', `node' and `indent'
	with ATTRIBUTE_UNUSED.
	(finish_protocol): Likewise for parameter `protocol'.
	* output.h (declare_weak): Add prototype.
	(decode_reg_name): Don't wrap with TREE_CODE macro.
	(assemble_alias): Add prototype.
	* regclass.c: Include output.h.
	* reload.h (reloads_conflict): Add prototype.
	* rtl.h (print_rtl_single, mark_elimiation, reg_class_subset_p,
	output_func_start_profiler): Add prototypes.
	* rtlanal.c (reg_set_p_1): Mark parameters `x' and `pat' with
 	ATTRIBUTE_UNUSED.
	* scan-decls.c: Include scan.h.
	* scan.h (recognized_function, recognized_extern): Add prototypes.
	* stmt.c: Include output.h.
	* toplev.c (error_for_asm, warning_for_asm): Remove prototypes.
	(output_lang_identify): Hide prototype and definition.
	(float_signal): Mark parameter `signo' with ATTRIBUTE_UNUSED.
	(pipe_closed): Likewise.
	* toplev.h (count_error, strip_off_ending, error_for_asm,
 	warning_for_asm): Add prototypes.

From-SVN: r19712

From-SVN: r12390

From-SVN: r9966

From-SVN: r9316

From-SVN: r6023

From-SVN: r4986