* traditional.c (lex_identifier): Use CPP_HASHNODE.
	* lex.c (lex_identifier): Use CPP_HASHNODE.
	* include/line-map.h (LINEMAP_POSITION_FOR_COLUMN): Wrap in
	do-while.
	* identifiers.c (alloc_node): Change return type.
	(_cpp_init_hashtable): Don't cast 'alloc_node'.
	(proxy_assertion_broken): New declaration.
	(cpp_forall_identifiers): Move comment.
	* line-map.c (linemap_add): Comment fix.
	(linemap_line_start): Indentation fix.

From-SVN: r132467

2005-06-29  Kelley Cook  <kcook@gcc.gnu.org>

	* all files: Update FSF address in copyright headers.
	* makeucnid.c (write_copyright): Update outputted FSF address.

From-SVN: r101413

	* configure.ac: Check declarations for asprintf and vasprintf.
	* config.in: Regenerate.
	* configure: Likewise.

	* charset.c (conversion_loop): Use XRESIZEVEC.
	(convert_no_conversion): Likewise.
	(convert_using_iconv): Likewise.
	(init_iconv_desc): Cast return value of alloca.
	(cpp_host_to_exec_charset): Use XNEWVEC.
	(emit_numeric_escape): Use XRESIZEVEC.
	(cpp_interpret_string): Use XNEWVEC.
	(cpp_interpret_string): Use XRESIZEVEC.
	(_cpp_interpret_identifier): Cast return value of alloca.
	(_cpp_convert_input): Use XNEWVEC and XRESIZEVEC.
	* directives.c (glue_header_name): Use XNEWVEC and XRESIZEVEC.
	(parse_include): Use XNEWVEC.
	(insert_pragma_entry): Rename local variable "new" to
	"new_entry".
	(save_registered_pragmas): Cast return value of xmemdup.
	(destringize_and_run): Same for alloca.
	(parse_assertion): Likewise.
	(do_assert): Cast allocated storage to proper type.
	(cpp_define): Likewise.
	(_cpp_define_builtin): Likewise.
	(cpp_undef): Likewise.
	(handle_assertion): Likewise.
	(cpp_push_buffer): Rename local variable "new" to "new_buffer".
	* expr.c (CPP_UPLUS): Cast value to type cpp_ttype.
	(CPP_UMINUS): Likewise.
	(struct cpp_operator): Rename from struct operator.
	(_cpp_expand_op_stack): Use XRESIZEVEC.
	* files.c (pch_open_file): Use XNEWVEC.
	(pch_open_file): Use XRESIZEVEC.
	(read_file_guts): Use XNEWVEC and XRESIZEVEC.
	(dir_name_of_file): Use XNEWVEC.
	(make_cpp_file): Use XCNEW.
	(make_cpp_dir): Likewise.
	(allocate_file_hash_entries): USE XNEWVEC.
	(cpp_included): Cast return value of htab_find_with_hash.
	(append_file_to_dir): Use XNEWVEC.
	(read_filename_string): Likewise. Use XRESIZEVEC too.
	(read_name_map): Cast return value of alloca.  Use XRESIZEVEC.
	(remap_filename): Use XNEWVEC.
	(struct pchf_entry): Move definition out of struct pchf_data.
	(_cpp_save_file_entries): Use XCNEWVAR.
	(_cpp_read_file_entries): Use XNEWVAR.
	* identifiers.c (alloc_node): Use XOBNEW.
	* init.c (cpp_create_reader): Use XCNEW.
	(cpp_init_builtins): Cast of b->value to enum builtin_type.
	(read_original_directory): Cast return value of alloca.
	* lex.c (add_line_note): Use XRESIZEVEC.
	(warn_about_normalization): Use XNEWVEC.
	(_cpp_lex_direct): Cast node->directive_index to (enum cpp_ttype).
	(new_buff): Use XNEWVEC.
	* line-map.c (linemap_add): Use XRESIZEVEC.
	* macro.c (builtin_macro): Cast return value of alloca.
	(paste_tokens): Likewise.
	(expand_arg): Use XNEWVEC and XRESIZEVEC.
	(_cpp_save_parameter): Use XRESIZEVEC.
	(create_iso_definition): Cast allocated storage to proper type.
	(_cpp_create_definition): Likewise.
	(cpp_macro_definition): Use XRESIZEVEC.
	* makedepend.c (add_clm): Use XNEW.
	(add_dir): Likewise.
	* mkdeps.c (munge): Use XNEWVEC.
	(deps_init): Use XCNEW.
	(deps_add_target): Use XRESIZEVEC.
	(deps_add_default_target): Cast return value of alloca.
	(deps_add_dep): Use XRESIZEVEC.
	(deps_add_vpath): Likewise.  Use XNEWVEC too.
	(deps_restore): Likewise.
	* pch.c (save_idents): Use XNEW and XNEWVEC.
	(cpp_save_state): Use XNEW.
	(count_defs): Cast return value of htab_find.
	(write_defs): Likewise.
	(cpp_write_pch_deps): Use XNEWVEC.
	(collect_ht_nodes): Use XRESIZEVEC.
	(cpp_valid_state): Use XNEWVEC.
	(save_macros): Use XRESIZEVEC.  Cast return value of xmemdup.
	* symtab.c (ht_create): Use XCNEW.
	(ht_lookup_with_hash): Cast return value of obstack_copy0.
	(ht_expand): Use XCNEWVEC.
	* system.h (HAVE_DESIGNATED_INITIALIZERS): False if __cplusplus.
	(bool): Do not define if __cplusplus.

From-SVN: r100295

ChangeLog:

2004-05-23  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.def (host_modules): add libcpp.
	* Makefile.tpl: Add dependencies on and for libcpp.
	* Makefile.in: Regenerate.
	* configure.in: Add libcpp host module.
	* configure: Regenerate.

config/ChangeLog:

2004-05-23  Paolo Bonzini  <bonzini@gnu.org>

	* acx.m4 (ACX_HEADER_STDBOOL, ACX_HEADER_STRING):
	From gcc.

gcc/ChangeLog:

2004-05-23  Paolo Bonzini  <bonzini@gnu.org>

	Move libcpp to the toplevel.
	* Makefile.in: Remove references to libcpp files,
	use CPPLIBS instead of libcpp.a.  Define SYMTAB_H
	and change hashtable.h to that.
	* aclocal.m4 (gcc_AC_HEADER_STDBOOL,
	gcc_AC_HEADER_STRING, gcc_AC_C__BOOL): Remove.
	* configure.ac (gcc_AC_C__BOOL, HAVE_UCHAR): Remove tests.
	* configure: Regenerate.
	* config.in: Regenerate.
	* c-ppoutput.c: Include ../libcpp/internal.h instead of cpphash.h.
	* cppcharset.c: Removed.
	* cpperror.c: Removed.
	* cppexp.c: Removed.
	* cppfiles.c: Removed.
	* cpphash.c: Removed.
	* cpphash.h: Removed.
	* cppinit.c: Removed.
	* cpplex.c: Removed.
	* cpplib.c: Removed.
	* cpplib.h: Removed.
	* cppmacro.c: Removed.
	* cpppch.c: Removed.
	* cpptrad.c: Removed.
	* cppucnid.h: Removed.
	* cppucnid.pl: Removed.
	* cppucnid.tab: Removed.
	* hashtable.c: Removed.
	* hashtable.h: Removed.
	* line-map.c: Removed.
	* line-map.h: Removed.
	* mkdeps.c: Removed.
	* mkdeps.h: Removed.
	* stringpool.h: Include symtab.h instead of hashtable.h.
	* tree.h: Include symtab.h instead of hashtable.h.
	* system.h (O_NONBLOCK, O_NOCTTY): Do not define.

gcc/cp/ChangeLog:

2004-05-23  Paolo Bonzini  <bonzini@gnu.org>

	* Make-lang.in: No need to specify $(LIBCPP).

gcc/java/ChangeLog:

2004-05-23  Paolo Bonzini  <bonzini@gnu.org>

	* Make-lang.in: Link in $(LIBCPP) instead of mkdeps.o.

libcpp/ChangeLog:

2004-05-23  Paolo Bonzini  <bonzini@gnu.org>

	Moved libcpp from the gcc subdirectory to the toplevel.
	* Makefile.am: New file.
	* Makefile.in: Regenerate.
	* configure.ac: New file.
	* configure: Regenerate.
	* config.in: Regenerate.
	* charset.c: Moved from gcc/cppcharset.c.  Add note about
	brokenness of input charset detection.  Adjust for change
	in name of cppucnid.h.
	* errors.c: Moved from gcc/cpperror.c.  Do not include intl.h.
	* expr.c: Moved from gcc/cppexp.c.
	* files.c: Moved from gcc/cppfiles.c.  Do not include intl.h.
	Remove #define of O_BINARY, it is in system.h.
	* identifiers.c: Moved from gcc/cpphash.c.
	* internal.h: Moved from gcc/cpphash.h.  Change header
	guard name.  All other files adjusted to match name change.
	* init.c: Moved from gcc/cppinit.c.
	(init_library) [ENABLE_NLS]: Call bindtextdomain.
	* lex.c: Moved from gcc/cpplex.c.
	* directives.c: Moved from gcc/cpplib.c.
	* macro.c: Moved from gcc/cppmacro.c.
	* pch.c: Moved from gcc/cpppch.c.  Do not include intl.h.
	* traditional.c: Moved from gcc/cpptrad.c.
	* ucnid.h: Moved from gcc/cppucnid.h.  Change header
	guard name.
	* ucnid.pl: Moved from gcc/cppucnid.pl.
	* ucnid.tab: Moved from gcc/cppucnid.tab.  Change header
	guard name.
	* symtab.c: Moved from gcc/hashtable.c.
	* line-map.c: Moved from gcc.  Do not include intl.h.
	* mkdeps.c: Moved from gcc.
	* system.h: New file.

libcpp/include/ChangeLog:

2004-05-23  Paolo Bonzini  <bonzini@gnu.org>

	* cpplib.h: Moved from gcc.  Change header guard name.
	* line-map.h: Moved from gcc.  Change header guard name.
	* mkdeps.h: Moved from gcc.  Change header guard name.
	* symtab.h: Moved from gcc/hashtable.h.  Change header
	guard name.

libcpp/po/ChangeLog:

2004-05-23  Paolo Bonzini  <bonzini@gnu.org>

	* be.po: Extracted from gcc/po/be.po.
	* ca.po: Extracted from gcc/po/ca.po.
	* da.po: Extracted from gcc/po/da.po.
	* de.po: Extracted from gcc/po/de.po.
	* el.po: Extracted from gcc/po/el.po.
	* es.po: Extracted from gcc/po/es.po.
	* fr.po: Extracted from gcc/po/fr.po.
	* ja.po: Extracted from gcc/po/ja.po.
	* nl.po: Extracted from gcc/po/nl.po.
	* sv.po: Extracted from gcc/po/sv.po.
	* tr.po: Extracted from gcc/po/tr.po.

From-SVN: r82199

	* alias.c alloc-pool.c bitmap.c bitmap.h bt-load.c builtins.c
	c-common.c c-decl.c c-incpath.c c-lex.c c-opts.c c-parse.in
	c-pragma.c c-typeck.c calls.c cfg.c cfganal.c cfgloop.c cfgrtl.c
	collect2.c combine.c conflict.c coverage.c cppexp.c cppfiles.c
	cpphash.c cppinit.c cpplex.c cpplib.c cppmacro.c cppspec.c
	cpptrad.c cse.c cselib.c dbxout.c defaults.h df.c dominance.c
	dwarf2out.c dwarfout.c emit-rtl.c except.c expmed.c expr.c final.c
	fix-header.c flow.c fold-const.c function.c gcc.c gccspec.c gcov.c
	gcse.c genattr.c genattrtab.c genautomata.c genconditions.c
	genemit.c genextract.c genoutput.c genrecog.c gensupport.c
	ggc-page.c ggc-simple.c global.c graph.c haifa-sched.c hashtable.c
	integrate.c jump.c langhooks.c lcm.c line-map.c local-alloc.c
	loop.c mips-tdump.c mips-tfile.c mkdeps.c optabs.c params.c
	postreload.c prefix.c print-tree.c protoize.c ra-build.c
	ra-colorize.c ra-rewrite.c ra.c recog.c reg-stack.c regclass.c
	regmove.c regrename.c reload.c reload1.c reorg.c resource.c
	sbitmap.c sched-deps.c sched-rgn.c sched-vis.c sdbout.c
	simplify-rtx.c ssa-ccp.c ssa.c stmt.c stor-layout.c timevar.c
	tlink.c toplev.c tree-dump.c tree.c unroll.c unwind-dw2-fde.c
	varasm.c varray.c vmsdbgout.c xcoffout.c: Remove unnecessary
	casts.

From-SVN: r69587

	* Makefile.in (LIBCPP_DEPS): Remove coretypes.h and $(TM_H).
	(hashtable.o, line-map.o, mkdeps.o): Likewise, from dependency
	list.  Move these all together down by cpplib.

	* cpplib.h: Don't refer to MAX_WCHAR_TYPE_SIZE when determining
	definition of CPPCHAR_SIGNED_T.

	* cppcharset.c, cpperror.c, cppexp.c, cppfiles.c, cpphash.c, cppinit.c
	* cpplex.c, cpplib.c, cppmacro.c, cpppch.c, cpptrad.c, hashtable.c
	* line-map.c, mkdeps.c: Don't include coretypes.h or tm.h.

	* cpphash.c (_cpp_init_hashtable): Don't use gcc_obstack_init.
	* cppinit.c (cpp_create_reader): Likewise.

	* cpphash.h (scan_out_logical_line): Rename _cpp_scan_out_logical_line.
	* cpptrad.c: Likewise.  All callers changed.
	* cpplib.c: All callers changed.
	* c-ppoutput.c: Replace 'uchar' with 'unsigned char' throughout.
	* hashtable.h: Define GTY(x) to nothing here too.

From-SVN: r69298

	* cppfiles.c, cpphash.c, cppinit.c, cpplex.c, cpplib.c
	* cppmacro.c, cpppch.c, cpptrad.c, cppspec.c: Convert to
	ISO C: new-style function declarations, no need for PARAMS,
	no special punctuation on indirect function calls, use string
	constant concatenation where convenient.

From-SVN: r68070

cp:
	* cp/decl.c, cp/pt.c, cp/search.c, cp/tree.c: Don't use the PTR
	macro.

gcc:
	* bitmap.c, builtins.c, c-incpath.c, cgraph.c, config/frv/frv.c,
	config/mips/mips.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c,
	dwarf2out.c, dwarfout.c, except.c, expr.c, expr.h, fold-const.c,
	function.c, gcc.c, genoutput.c, gensupport.c, global.c,
	haifa-sched.c, hashtable.c, ifcvt.c, integrate.c, local-alloc.c,
	loop.c, mips-tdump.c, mips-tfile.c, mkdeps.c, protoize.c,
	read-rtl.c, recog.h, reload1.c, sbitmap.c, ssa-dce.c,
	stringpool.c, tlink.c, tree.c, varasm.c, varray.c: Don't use
	the PTR macro.

From-SVN: r68043

From-SVN: r60174

	* cpperror.c: Fix formatting.
	* cppexp.c: Likewise.
	* cppfiles.c: Likewise.
	* cpphash.c: Likewise.
	* cpphash.h: Likewise.
	* cppinit.c: Likewise.
	* cpplex.c: Likewise.
	* cpplib.c: Likewise.
	* cppmacro.c: Likewise.
	* cppmain.c: Likewise.
	* cppspec.c: Likewise.

From-SVN: r53751

	* c-common.c (c_common_init): Set options->unsigned_char from
	flag_signed_char.
	(cb_register_builtins): Define __STRICT_ANSI__ and
	__CHAR_UNSIGNED__ here...
	* cppinit.c (init_builtins): Not here.
	(cpp_create_reader): unsigned_char option defaults to 0, not
	!DEFAULT_SIGNED_CHAR.
	(COMMAND_LINE_OPTIONS, cpp_handle_option): Lose -fsigned-char
	and -funsigned-char.

	* cpphash.h (struct spec_nodes): Kill n__STRICT_ANSI__.
	* cpphash.c (_cpp_init_hashtable): Don't set it.
	* cppmacro.c (builtin_macro) [BT_STDC]: Use the language setting
	directly.  Clarify comment.

From-SVN: r53703

	* cpphash.h (struct spec_nodes): Remove n__CHAR_UNSIGNED__.
	* cpphash.c (_cpp_init_hashtable): Similarly.
	* cppinit.c (cpp_create_reader): Default the signed_char flag.
	(init_builtins): Define __CHAR_UNSIGNED__ appropriately.
	(COMMAND_LINE_OPTIONS): Recognise -f{un,}signed-char.
	(cpp_handle_option): Handle the new options.
	* cpplex.c (cpp_interpret_charconst): Use new flag.
	* cpplib.h (struct cpp_options): New member signed_char.
	* gcc.c (cpp_unique_options): Remove %c spec and documentation.
	(cpp_options): Handle -fsigned-char and -funsigned-char.
	(static_specs): Remove signed_char_spec.
	(do_spec1): Don't handle %c.
	* system.h: Poison SIGNED_CHAR_SPEC.
	* tradcif.y (yylex): Use flag_signed_char.
	* tradcpp.h (flag_signed_char): New.
	* tradcpp.c (flag_signed_char): New.
	(main): Handle new command-line options.
	(initialize_builtins): Define __CHAR_UNSIGNED__ if appropriate.
config:
	* alpha/alpha.h (SIGNED_CHAR_SPEC): Remove.
	* avr/avr.h: Remove old comments.
	* i960/i960.h (CPP_SPEC): Pass -fsigned-char if -mic*.
	(CC1_SPEC): Pass -fsigned-char if -mic*.
	(SIGNED_CHAR_SPEC): Remove.
doc:
	* tm.texi (SIGNED_CHAR_SPEC): Remove documentation.
testsuite:
	* gcc.dg/cpp/uchar-1.c, uchar-2.c, uchar-3.c: New tests.

From-SVN: r49444

	* cpperror.c: Update comments and copyright.
	* cppexp.c, cppfiles.c, cpphash.c, cpphash.h, cppinit.c,
	cpplex.c, cpplib.c, cpplib.h, cppmacro.c, cppmain.c: Similarly.

From-SVN: r48522

	* cpphash.c (_cpp_init_hashtable): Update.
	* cpphash.h (struct spec_nodes): Remove n_L.
	* cpplex.c (_cpp_lex_direct): Check for prefix L separately.

	* Makefile.in: Update, and add c-objc-common.o dependencies.
	* c-lang.c: Remove unnecessary includes.
	(c_init): Move bulk of code to c_objc_common_init, and call it.
	(c_tree_printer, c_missing_noreturn_ok_p, c_disregard_inline_limits,
	inline_forbidden_p, c_cannot_inline_tree_fn): Move to
	c-objc-common.c.
	* c-objc-common.c: New.  Mostly pulled from c-lang.c.
	* c-tree.h (c_disregard_inline_limits, c_cannot_inline_fn,
	c_objc_common_init, c_missing_noreturn_ok_p): New.
	* toplev.c: Update comment.
	* doc/passes.texi: Update.
	* objc/ojbc-act.c (LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
	LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
	LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Override.
	(objc_init): Update to use c_objc_common_init.

From-SVN: r47388

	* c-common.c: Include c-lex.h.
	(c_common_lang_init): Change prototype.  Call init_c_lex and
	init_pragma from here.
	* c-common.h (c_common_lang_init): Change prototype.
	* c-decl.c (init_decl_processing): Rename.  Call c_parse_init.
	* c-lang.c (c_init): Change prototype.  Update.
	(c_init_options): Update.
	* c-lex.c (cpp_filename): Remove.
	(init_c_lex): Update.  Read the main file, and get the original
	file name.
	(yyparse): Finish the command line options.
	* c-parse.in (c_parse_init): Call init_reswords here.
	(init_parse): Remove.
	* c-tree.h (c_init_decl_processing): New.
	* cpphash.c (_cpp_init_hashtable): After initializing the hash
	table, populate it.
	* cppinit.c (read_original_filename, cpp_finish_options): New.
	(cpp_create_reader): New prototype. Defer hash table initialization.
	(cpp_start_read): Rename cpp_read_main_file.  Initialize the
	hash table.  Get the original filename.
	* cpplib.h (cpp_create_reader): Update.
	(cpp_start_read): Remove.
	(cpp_read_main_file, cpp_finish_options): New.
	* cppmain.c (main, do_preprocessing): Update.
	* langhooks.h (struct langhooks): Update init prototype.
	* toplev.c (general_init, parse_options_and_default_flags,
	process_options, lang_indpendent_init, lang_dependent_init,
	init_asm_output): New; perform the bulk of initialization.
	(compile_file): Move most of initialization to above functions.
	(debug_hooks): Initialize statically.
	(set_Wunused): Relocate.
	(toplev_main): Move most of initialization to other init functions.
	Have a clear logic flow.
	* tree.h (init_parse, init_decl_processing): Remove.
ada:
	* misc.c (gnat_init): Change prototype.  Include the
	functionality of the old init_parse and init_decl_processing.
	(gnat_init_decl_processing): New prototype.
	(init_parse): Remove.
	* utils.c (init_decl_processing): Rename gnat_init_decl_processing.
cp:	* cp-tree.h (init_reswords, cxx_init_decl_processing): New.
	(cxx_init): Update prototype.
	* decl.c (init_decl_processing): Rename.  Move null node init
	to its creation time.
	* lex.c (cxx_init_options): Update.
	(cxx_init): Combine with old init_parse; also call
	cxx_init_decl_processing.
f:	* com.c (ffecom_init_decl_processing): Renamed from
	init_decl_processing.
	(init_parse): Move contents to ffe_init.
	(ffe_init): Update prototype.
java:	* decl.c (init_decl_processing): Rename java_init_decl_processing.
	* java-tree.h: New prototype.
	* lang.c (java_init): Update prototype.  Combine with old init_parse.
objc:	* objc-act.c (objc_init): Update prototype, combine with old
	init_parse.
	(objc_init_options): Update.

From-SVN: r47046

	* cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
	* cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
	(struct cpp_pool): New member first.
	* cppinit.c (append_include_chain): Plug memory leaks.
	* cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
	Allocate pragma structures from the (aligned) macro pool to
	avoid leaking memory.
	* cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
	so we don't leak memory.
	* hashtable.c (ht_destroy): New.
	* hashtable.h (ht_destroy): New.

From-SVN: r44794

From-SVN: r42720

	* Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
	cpplib.o, cpphash.o, fix-header): Update.
	(hashtable.o): New target.
	* c-common.h: Include cpplib.h.  Define C_RID_CODE and
	struct c_common_identifier here.
	* c-lang.c (c_init_options): Update.  Call set_identifier_size.
	* c-lex.c (c_lex): Update.
	* c-pragma.h: Update.
	* c-tree.h (struct lang_identifier): Contain c_common_identifier.
	Delete rid_code.
	(C_RID_CODE): Delete.
	* cpphash.c: Rewrite to use hashtable.c.
	* cpphash.h: Update include guards.
	(struct cpp_reader): Remove hashtab.
	hash_ob and buffer_ob are no longer pointers.  Add hash_table
	and our_hashtable.
	(HASHSTEP, _cpp_init_hashtable,	_cpp_lookup_with_hash): Delete.
	(_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
	(_cpp_cleanup_stacks): Rename _cpp_init_directives.
	* cppinit.c (cpp_create_reader): Update.
	* cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
	(cpp_interpret_charconst): Eliminate warning.
	* cpplib.c (do_pragma, do_endif, push_conditional,
	cpp_push_buffer, cpp_pop_buffer): Update.
	(_cpp_init_stacks): Rename cpp_init_directives.
	(_cpp_cleanup_stacks): Remove.
	* cpplib.h: Update include guards.  Include tree-core.h and c-rid.h.
	(cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
	 cpp_forall_identifiers, cpp_create_reader): Update.
	(C_RID_CODE, cpp_make_node): New.
	(c_common_identifier): New identifier node for C front ends.
	* cppmain.c (main): Update.
	* fix-header.c (read_scan_file): Update.
	* flags.h (id_clash_len): Make unsigned.
	* ggc.h (ggc_mark_nonnull_tree): New.
	* hashtable.c: New.
	* hashtable.h: New.
	* stringpool.c: Update comments and copyright.  Update to use
	hashtable.c.
	* toplev.c (approx_sqrt): Move to hashtable.c.
	(id_clash_len): Make unsigned.
	* toplev.h (ident_hash): New.
	* tree.c (gcc_obstack_init): Move to hashtable.c.
	* tree.h: Include hashtable.h.
	(IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
	(GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
	(struct tree_identifier): Update.
	(make_identifier): New.
cp:
	* cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
	(C_RID_CODE): Remove.
	* lex.c (cxx_init_options): Call set_identifier_size.  Update.
	(init_parse): Don't do it here.
objc:
	* objc-act.c (objc_init_options): Call set_identifier_size. Update.

From-SVN: r42334

	* cppexp.c (lex): Use NODE_NAME and NODE_LEN.
	* cpphash.c (_cpp_lookup_with_hash): Similarly.
	* cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
	cpp_spell_token, cpp_output_token): Similarly.
	* cpplib.c (lex_macro_node, do_undef, do_pragma,
	do_pragma_poison, parse_assertion, do_assert): Similarly.
	* cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
	save_parameter, _cpp_create_definition, check_trad_stringification,
	cpp_macro_definition): Similarly.
	* cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
	* c-lex.c (cb_undef, c_lex): Similarly.
	* fix-header.c (recognized_function): Similarly.
	* cpplib.h (NODE_LEN, NODE_NAME): New.
	(cpp_hashnode): Rename length len.

From-SVN: r42174

        * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
        : Don't set fe_value.
        * cpplib.h (AVOID_LPASTE): New flag.
        (struct cpp_hashnode): Remove fe_value.
        * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
        * cppmacro.c (builtin_macro): Don't set flags here.
        (replace_args): Set AVOID_LPASTE flag on first token of an
        argument, and the token following it.
        (cpp_get_token): Set AVOID_LPASTE flag on first token of a
        macro expansion, and on the token following it.  Do it for
        builtins too.
        * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.

From-SVN: r39318

        * cpphash.c: Move cpp_defined here from cpplib.c.
        * cpplib.c: Update comments, move cpp_defined to cpphash.c.
        * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
        * cppmacro.c (cpp_get_token): Update comments, no need now
        to catch the CPP_EOF meaning EOL case.

From-SVN: r37345

	* cpphash.c (cpp_forall_identifiers): Add context variable
	for callback routine.
	* cppmain.c (dump_macro): Update to match cpp_forall_identifiers
	change.
	(main): Call cpp_forall_identifiers with null context.
	* cpplib.h (cpp_forall_identifiers): Update prototype.

	* cppmain.c: Make `parse_in' and `print' static.

From-SVN: r37119

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

	* cpphash.h (HASHSTEP): Take character rather than pointer
	to character.
	(_cpp_check_directive, _cpp_check_linemarker): Update prototypes.

	* cpphash.c (cpp_loookup): Update for new HASHSTEP.

	* cpplex.c (auto_expand_name_space, trigraph_replace,
	backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
	IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
	BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
	KNOWN_DIRECTIVE): Delete.

	(handle_newline, check_long_token, skip_escaped_newlines,
	unterminated): New functions.
	(ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.

	(parse_identifier): Was parse_name, new implementation.
	(skip_line_comment, skip_block_comment, skip_whitespace,
	parse_number, parse_string, trigraph_ok, save_comment,
	adjust_column, _cpp_get_line): New implementations.

	(lex_token): New function.  Lexes a token at a time, looking
	forwards.  Contains most of the guts of the old lex_line.
	(lex_line): New implementation, using lex_token to obtain
	individual tokens.
	(cpp_scan_buffer): Use the token's line, not the list's line.

	* cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
	 New implementations.
	(do_assert): Don't bother setting the answer's list's line.
	(cpp_push_buffer): Initialise new pfile and read_ahead members
	of struct cpp_buffer.

	* cpplib.h (cppchar_t): New typedef.
	(struct cpp_buffer): read_ahead, pfile and col_adjust are
	new members.
	(struct lexer_state): New structure that determines the state
	and behaviour of the lexer.
	(IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
	(struct cpp_reader): New member "state". Rename
	multiline_string_line and multiline_string_column. Delete
	col_adjust, in_lex_line members.
	(CPP_BUF_COLUMN): Update.

	* gcc.dg/cpp/cmdlne-C.c: Remove bogus warning test.

From-SVN: r36509

2000-02-17  Zack Weinberg  <zack@wolery.cumb.org>

	* cpphash.c: Don't include hashtab.h.  Most macro-handling code
	moved to cppmacro.c.
	(hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
	dump_hash_helper): Delete.
	(expand_hash, higher_prime_number, _cpp_lookup_with_hash,
	cpp_forall_identifiers): New. Implement specialized version of
	Vlad's expandable hash table.
	(cpp_lookup): Use new functions.
	(_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
	implementation.
	* cppmacro.c: New file.
	* cppinit.c (dump_macros_helper): New.
	(cpp_finish): Iterate over the identifier table directly.
	* cpplex.c (parse_name): Calculate the hash of the identifier
	while we scan it.  Use _cpp_lookup_with_hash when we can.

	* cpphash.h: Update prototypes.
	(xcnewvec, HASHSTEP): New helper macros.
	* cpplib.h: Update prototypes.
	* Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
	(cppmacro.o): New rule.
	(cpphash.o): Update deps.

	* cppmain.c: Do not set pfile->printer if no_output is on.

2000-02-15  Neil Booth  <neilb@earthling.net>

	* cpplib.c: Change all directive-handler functions to return
	void, not int.
	* cpphash.h: Update typedefs.

From-SVN: r35113

	* cpphash.c (save_expansion): Clear PREV_WHITE on tokens
	immediately following a paste operator.
	* cppinit.c (sort_options): New function (only for HOST_EBCDIC).
	(cpp_reader_init): Call it, if HOST_EBCDIC.
	(cpp_handle_options): Do not sort option list here.
	(handle_option): Rename to cpp_handle_option and export.
	* cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
	_cpp_get_token directly.
	(cpp_scan_line): Return 0 at EOF, 1 otherwise.
	* cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
	* cpplib.h: Prototype cpp_handle_option.  Update prototype of
	cpp_scan_line.

From-SVN: r35052

	* cpphash.c (struct macro_info): Add new members.
	(_cpp_free_definition): Delete the macro directly.
	(count_params): Return void, with first token of
	expansion in struct macro_info on success.
	(parse_define): Return int.  Hoist syntax checking from
	save_macro_expansion.  Leave call to save_expansion to
	_cpp_create_definition.
	(alloc_macro): Needs just 2 arguments.
	(free_macro): Delete.
	(save_expansion): Don't perform syntax check.
	(_cpp_create_definition): Call save_expansion.

From-SVN: r35025

From-SVN: r35023

cppexp.c, [...]: Eradicate all traces of code dependent on traditional, lang_chill, or lang_fortran.

	* cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
	cpplib.c, cpplib.h: Eradicate all traces of code dependent on
	traditional, lang_chill, or lang_fortran.

	* cppfiles.c: #undef strcmp to suppress warning about macros
	used without arguments.
	(_cpp_execute_include): Use f, not fname, in "No include path"
	error.
	(_cpp_pop_file_buffer): New function.
	* cpplib.c: Don't include <sys/mman.h>.
	(cpp_push_buffer): Set line_base and lineno in new buffer.
	(cpp_pop_buffer): Use _cpp_pop_file_buffer.

	* cpplex.c: Move all prototypes and structure declarations to the
	top of the file.  Properly parenthesise some macro arguments.
	(cpp_scan_line): New function.
	(special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
	don't need to walk up the stack counting.

From-SVN: r35003

	* cppexp.c (LOGICAL): Delete macro.
	(_cpp_parse_expr): Do not use UNARY for unary +.  Implement ||
	and && directly.

	* cpphash.c (HASHSIZE): Increase to 4096.
	(struct hashdummy): Add hash field.
	(eq_HASHNODE): Compare unreduced hashes, then lengths, then
	the string values using memcmp.
	(cpp_lookup): Set dummy.hash.

From-SVN: r34994

	* cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
	* cpplex.c (TOKEN_SPELL) Move to cpphash.h.

	* cpphash.c: (struct macro_info, alloc_macro, free_macro,
	struct toklist_dummy): New.
	(cpp_free_definition): Free macros with free_macro.
	(count_params): Don't save paramter spellings.  Save macro
	information in a struct macro_info.
	(parse_define): Don't allocate a token list.
	(save_expansion): Allocate the macro's token list, and
	save parameter spellings if necessary.  Use TOKEN_SPELL.
	(cpp_create_definition): Make list const.

From-SVN: r34985

2000-07-11  Zack Weinberg  <zack@wolery.cumb.org>

	* cpplex.c (parse_name): No longer inline (premature optimization).
	(do_pop_context): Fold into pop_context.
	(pop_context): Returns int.
	(lex_next): Hoist test for end of directive into pop_context.
	(push_macro_context): Returns int; takes just reader and token.
	Hoist test for excessive nesting to caller.
	(push_arg_context): Returns void; takes just reader and token.
	Do not call stringify_arg or get_raw_token.
	(get_raw_token): Convert tail recursion through	push_arg_context
	to a loop at this level.  Call stringify_arg here if appropriate.
	(maybe_paste_with_next): Convert tail recursion to a while loop.
	Hoist test of paste_level to caller.

	(stringify_arg): Push arg context at beginning.
	(cpp_get_token): Split out core into _cpp_get_token.  Call
	process_directive here.  Throw away CPP_PLACEMARKER tokens.
	(_cpp_get_token): Convert tail recursion through
	push_macro_context to a loop at this level.
	(_cpp_glue_header_name, is_macro_disabled, stringify_arg,
	_cpp_get_raw_token): Use _cpp_get_token.
	(_cpp_skip_rest_of_line): Drop the context stack directly; do
	not call pop_context.
	(_cpp_run_directive): Call lex_next directly.

	* cpphash.h: Prototype _cpp_get_token.
	* cppexp.c (lex): Use it.
	* cpphash.c (parse_define): Use it.
	* cpplib.c (get_define_node, do_undef, parse_include,
	read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
	do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
	parse_ifdef, validate_else): Use it.
	(cpp_push_buffer): Tweak error message; abort if anyone tries
	to push a buffer while macro expansions are stacked.

2000-07-11  Donn Terry  <donnte@microsoft.com>

	* cpplex.c (free_macro_args, save_token): Cast arg of free
	and/or xrealloc to PTR.
	(_cpp_init_input_buffer): Clear all fields of the base context.

From-SVN: r34972

	* cpplib.h (struct cpp_name): Now struct cpp_string.
	(CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
	CPP_HEADER_NAME): Change to type S.
	(struct cpp_token): Rename 'name' field to 'str'.  Add 'node'
	field, a cpp_hashnode *.  All references to val.name updated
	to use val.str or val.node as appropriate.
	(struct cpp_reader): Add spec_nodes field.
	(cpp_idcmp): Now cpp_ideq; takes a token * and a char *.

	* cpphash.h (struct spec_nodes): New.
	(enum spell_type): Reorder.  Only SPELL_STRING tokens use
	val.str.  All references to 'spelling > SPELL_NONE' updated to
	match.

	(CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
	pfile->buffer->inc are not NULL before dereferencing them.

	* cpplex.c (parse_name): Take a pointer to the current token,
	plus current position and limit as args; return the new
	position; don't copy the text of a name into the string
	buffer, instead call cpp_lookup and store the node pointer.
	If extending a token, copy out the text of the old into a
	scratch buffer, append the new, look that up and store the new
	node pointer.  Inline.
	(maybe_paste_with_next): If the result of paste is a NAME,
	then look up the pasted text and store its node pointer.
	(lex_line): Adjust for new parse_name interface.
	Check for L"str", L'str' using spec_nodes->n_L.
	(spell_token): SPELL_IDENT tokens have their spelling in
	val.node->name.  Handle SPELL_STRING tokens that don't have
	string delimiters.
	(_cpp_expand_name_space,
	(can_paste): Check for L ## "str" using spec_nodes->n_L.
	(cpp_get_token, special_symbol): No need to call cpp_lookup.
	(cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
	return 1=equal 0=not, not a tristate.

	* cpphash.c (var_args_str): Delete.
	(find_param): Compare node fields directly.
	(is__va_args__): Use CPP_PEDANTIC.  Just compare
	token->val.node with spec_nodes->n__VA_ARGS__.
	(dump_funlike_macro): Don't use var_args_str.

	* cpplib.c (_cpp_check_directive): Just walk through
	spec_nodes->dirs comparing pointers.
	(get_define_node, do_pragma_poison, detect_if_not_defined,
	parse_ifdef): The identifier has already been looked up.
	(do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
	node.
	(do_if): Only call detect_if_not_defined at beginning of file.
	(_cpp_parse_assertion): Only copy string pointers for
	SPELL_STRING tokens.
	(pragma_dispatch): Take a node pointer and examine its name
	field.
	(_cpp_init_stacks): Also initialize the spec_nodes structure.

	* cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
	_cpp_init_macros.
	(cpp_cleanup): Free pfile->spec_nodes.  Call _cpp_cleanup_* in
	reverse order from the corresponding _cpp_init_* routines.

	* cppexp.c (parse_number, parse_charconst, parse_defined,
	lex): Check val.node->type instead of calling cpp_defined.
	Use spec_nodes entries where appropriate.

	* fix-header.c, scan-decls.c: Update for interface changes.

From-SVN: r34926

	* cpphash.c (is__va_args__): New function.
	(count_params): Fix line reported in error messages.  Use
	is__va_args__.  Don't return ')' on error.  Flag GNU style
	rest args macro definitions.
	(parse_define): Check macro name is not __VA_ARGS__.
	(save_expansion): Check identifier in non-varargs-macro is
	not __VA_ARGS__.  Don't flag GNU_VARARGS.
	* cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
	(maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
	 than per-token GNU_VARARGS.
	* cpplib.h (GNU_VARARGS): Remove.
	(GNU_REST_ARGS): New.

	* gcc.dg/cpp/macsyntx.c: New tests.

From-SVN: r34919

toplevel:
	* cpplex.c: Don't include sys/mman.h.
	(cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.

	* cpplib.c: Include sys/mman.h and obstack.h.
	(cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
	obstack.
	(cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
	(_cpp_unwind_if_stack): Now static, unwind_if_stack.  Don't
	bother freeing if stack entries (they will be freed with their buffer).
	(do_endif): Free if stack entries from the buffer obstack.
	(push_conditional): Allocate if stack entries from the buffer obstack.

	(find_answer): Rename to _cpp_find_answer.
	(do_assert, do_unassert): Update.

	* cpphash.h: Update prototypes.
	(xobnew): New convenience macro.
	* cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
	Update comments.
	(struct cpp_hashnode): Remove disabled field.

	* cppinit.c: Don't include hashtab.h or splay-tree.h.
	(report_missing_guard): Moved to cppfiles.c.
	(cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
	cpp_init_includes.
	(cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
	cpp_cleanup_includes.  Don't destroy hashtab or
	all_include_files here.
	(cpp_finish): Use _cpp_report_missing_guards.

	* cppfiles.c (report_missing_guard): Moved from cppinit.c.
	(_cpp_init_include_table): Rename _cpp_init_includes.
	(_cpp_cleanup_includes, _cpp_report_missing_guards): New.

	* cppexp.c (parse_assertion): Update for new name of
	find_answer.

	* Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.

	* cpplib.c (do_ident): s/VSPACE/EOF/

testsuite:
	* gcc.dg/cpp/ident.c: New test.

From-SVN: r34870

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

	* cppfiles.c: Include splay-tree.h, not hashtab.h.
	(redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
	(destroy_include_file_node): New.
	(_cpp_init_include_hash): Rename _cpp_init_include_table.
	Create a splay tree, not a hash table.
	(open_include_file): Look up the path in the include table,
	do the multiple include optimization here, etc.
	(cpp_included): Walk the path.
	(find_include_file): Just walk the path calling
	open_include_file, or call it directly for an absolute path.
	(_cpp_fake_ihash): Rename _cpp_fake_include and update for new
	scheme.
	(read_include_file): Update for new scheme.  Don't close the
	file unless reading fails.
	(_cpp_execute_include, cpp_read_file): Tweak for new scheme.

	* cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
	(struct include_file): New.
	(NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
	macros.
	(CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
	Update prototypes.

	* cppinit.c: Include splay-tree.h.
	(cpp_reader_init, cpp_cleanup): Update.

	* cpplib.h (struct cpp_buffer): Change ihash field to
	'struct include_file *inc'.  Remove system_header_p.
	(struct cpp_reader): Change all_include_files to a
	struct splay_tree_s *.

	* cpplex.c: Update all references to cpp_buffer->ihash and/or
	cpp_buffer->system_header_p.
	(cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.

From-SVN: r34636

	* cppfiles.c: Read files in, using mmap if possible, then
	prescan them separately.
	(read_file, read_with_read): New functions.
	* cpplex.c: Don't define UCHAR_MAX.
	(_cpp_read_and_prescan): Rename to _cpp_prescan.  Don't read
	the file here.

	* cppinit.c (handle_option): Automatically define __cplusplus,
	__OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
	the respective -lang switch.

	* cpphash.h (enum node_type, struct hashnode, _cpp_lookup
	prototype): Move to...
	* cpplib.h: ... here.  Rename struct hashnode to struct
	cpp_hashnode and give it a typedef.  Rename _cpp_lookup to
	cpp_lookup.  Add 'fe_value' slot, a union tree_node *.

From-SVN: r34228

cpphash.c (funlike_macroexpand): Make sure not to walk p1 past l1 when deleting whitespace and markers.

	* cpphash.c (funlike_macroexpand): Make sure not to walk p1
	past l1 when deleting whitespace and markers.

From-SVN: r34027

	* cppexp.c (parse_assertion): New.
	(lex): Call it for CPP_HASH.  Remove CPP_ASSERTION case.
	(_cpp_parse_expr): Remove case '#'.  Don't set
	parsing_if_directive.
	* cpphash.c (collect_objlike_expansion,
	collect_funlike_expansion, collect_params,
	_cpp_create_definition): The list no longer has a trailing
	VSPACE token.
	* cpphash.h (enum node_type): Add T_ASSERTION.
	(struct hashnode): Remove aschain, add pred.
	(struct predicate): New.
	Update prototypes.

	* cpplex.c (expand_token_space): Handle both offset and
	nonoffset lists.
	(init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
	(_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
	_cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
	_cpp_equiv_toklists): New.
	(_cpp_scan_line): Rename to _cpp_scan_until; add ability to
	stop at any single-character token, not just newline.
	(_cpp_lex_token): Remove special cases for #define and #if.
	(cpp_get_token): Expect # as a separate token type.  Remove
	DIRECTIVE case.
	(_cpp_get_directive_token): Remove DIRECTIVE case.
	(_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.

	* cpplib.c (_cpp_check_directive): Set dirno and
	SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
	(_cpp_handle_directive): Run # <number> through the same logic
	as normal directives.
	(do_define): Don't set parsing_define_directive.  Use
	_cpp_scan_until.  The list does not have a VSPACE at the end.
	(do_if): Save, clear, and restore only_seen_white around
	_cpp_parse_expr.
	(skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
	(do_assert, do_unassert): Rewrite.

	* cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
	(LIST_OFFSET): New flag.
	(struct cpp_toklist): Replace dir_handler and dir_flags with
	dirno and flags.
	(struct cpp_reader): Remove parsing_if_directive and
	parsing_define_directive.

From-SVN: r33984