Commit Graph

132 Commits

Author SHA1 Message Date
Neil Booth
7ca3d2b152 (initialize, [...]): Rename s/initialize/init.
* (initialize, initialize_builtins,
        initialize_dependency_output, initialize_standard_includes):
        Rename s/initialize/init. Update.
        (init_dependency_output): Move to after
        cpp_handle_options, the correct location temporally at least.
        (opt_comp): Move next to init (), its caller.  Fix prototype.
        (init): Make "initialized" local scope.
        (cpp_create_reader): Always call init ().
        (cpp_start_read): Update.
        (output_deps): New function, broken out of cpp_finish.
        (cpp_finish): Break out output_deps.

From-SVN: r38770
2001-01-07 11:15:13 +00:00
Neil Booth
f7114e1750 cpp.texi: Update for -MQ.
* cpp.texi: Update for -MQ.
        * cppinit.c (cpp_create_reader): Always create pfile->deps.
        (cpp_cleanup): Always free pfile->deps.
        (initialize_dependency_output): Don't create pfile->deps.
        (cpp_handle_option): Similarly.
        (OPT_MQ): New.
        * gcc.c (cpp_options): Handle -MQ.
        (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
        * mkdeps.c (base_name): Remove.
        (deps_init): Don't allocate vector space until it's needed.
        (deps_free): Only free vectors if allocated.
        (deps_add_target, deps_add_dep): Update for initial allocation.
        (deps_add_default_target): Don't strip to the base_name.

From-SVN: r38735
2001-01-06 00:15:29 +00:00
Zack Weinberg
f4cdc36834 cpplib.h (struct cpp_reader): Add help_only field.
* cpplib.h (struct cpp_reader): Add help_only field.
	* cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
	(cpp_handle_option): Set pfile->help_only if we see -h,
	--help, -target-help, or --version.  Print version string but
	do not set help_only if we see -v or -version.  Make text
	printed by -v match that printed by (-)-version.

	* cppmain.c (main): Exit after option parsing if
	pfile->help_only is true.

	* toplev.c (independent_decode_option): Call print_version,
	then exit, if we see --version (but not -version).
	(print_version): Split lengthy message into two lines.

From-SVN: r38733
2001-01-05 23:41:00 +00:00
Neil Booth
a5a4ce3c3c cpp.texi: Update for -MP.
* cpp.texi: Update for -MP.  Clarify behaviour of -MT.
        * cppinit.c (initialize_dependency_output):  Update.
        (cpp_finish): Output dummy targets for -MP.
        (OPT_MP): New.
        (cpp_handle_option): Handle -MP.  Don't quote -MT options.
        * cpplib.h (struct cpp_options): Add deps_phony_targets.
        * gcc.c (cpp_options): Update to handle -MP.
        * mkdeps.c (deps_add_target, deps_add_default_target): Update
        to quote only the default target.
        (deps_phony_targets): Insert a preceding newline.  Rename from
        deps_dummy_targets for consistency.
        * mkdeps.h: Update
java:
        * lang.c (lang_decode_option): Change -MA to -MP.
        * jcf-depend.c (jcf_dependency_add_target, jcf_dependency_set_target):
        Update to new prototype; do quote targets.
        (jcf_dependency_write): Update.

From-SVN: r38707
2001-01-05 07:50:24 +00:00
Neil Booth
03b9ab4261 cpp.texi: Update for -MT.
* cpp.texi: Update for -MT.
        * cppinit.c (initialize_dependency_output): Add a default
        target if none has been given already.
        (no_tgt, OPT_MT): New.
        (cpp_handle_option): Handle -MT.  Update -M etc.
        * cpplib.h (struct cpp_options): Remove deps_target.
        * gcc.c (cpp_options): Handle -MT.
        * mkdeps.c (struct deps): Move from mkdeps.h.
        (deps_calc_target): Rename deps_add_default_target.  Add a
        default target if none has been specified already.
        * mkdeps.h (struct deps): Move to mkdeps.c.
        (deps_calc_target): Rename deps_add_default_target.

From-SVN: r38681
2001-01-04 10:25:55 +00:00
Neil Booth
49fe13f6d8 cpplib.h (struct cpp_reader): Remove references to string_pool and temp_string_pool.
* cpplib.h (struct cpp_reader): Remove references to string_pool
        and temp_string_pool.
        * cppinit.c (cpp_create_reader, cpp_cleanup): Similarly; using
        ident_pool in place.
        * cpplex.c (parse_number, unescaped_terminator_p, parse_string,
        save_comment, cpp_token_as_text): Similarly.
        * cpplib.c (do_define, glue_header_name, parse_assertion): Similarly.
        * cppmacro.c (make_number_token, builtin_macro, lock_pools,
        unlock_pools, stringify_arg, paste_tokens): Similarly.

From-SVN: r38336
2000-12-17 22:40:32 +00:00
Jakub Jelinek
be76805509 gcc.c (cpp_options): Pass -fno-operator-names.
* gcc.c (cpp_options): Pass -fno-operator-names.
	* cpplib.h (struct cpp_options): Add operator_names.
	* cppinit.c (cpp_create_reader): Initialize it.
	(initialize_builtins): If -fno-operator-names, don't add
	C++ alternate operator names.
	(COMMAND_LINE_OPTIONS): Add -fno-operator-names.
	(cpp_handle_option): Clear operator_names.

From-SVN: r38288
2000-12-15 16:49:28 +01:00
Zack Weinberg
f6bbde28c4 safe-ctype.h: New file.
include:
	* safe-ctype.h: New file.
libiberty:
	* safe-ctype.c: New file.
	* Makefile.in (CFILES): Add safe-ctype.c.
	(REQUIRED_OFILES): Add safe-ctype.o.

	* argv.c: Define ISBLANK and use it, not isspace.
	* basename.c, cplus-dem.c, fnmatch.c, pexecute.c, strtod.c,
	strtol.c, strtoul.c: Include safe-ctype.h, not ctype.h.  Use
	uppercase ctype macros.  Don't test ISUPPER(c)/ISLOWER(c)
	before calling TOLOWER(c)/TOUPPER(c).
gcc:
	* Makefile.in (HOST_RTL): Add safe-ctype.o.
	(safe-ctype.o): New rule.
	* system.h: Include safe-ctype.h, not ctype.h.  No need to
	wrap ctype macros.

	* cpphash.h: Zap IStable and related macros.  Define is_* in
	terms of safe-ctype.h macros.
	* cppinit.c: Delete the IStable and all related code.

	* tradcpp.c: Delete is_idchar, is_idstart, is_hor_space, and
	is_space arrays.  Delete initialize_char_syntax.  Change all
	references to the above arrays to use macros instead.
	* tradcpp.h: Define is_idchar, is_idstart, is_space, and
	is_nvspace in terms of safe_ctype.h's macros.
	* tradcif.y: is_idchar, is_idstart are macros not arrays.

	* config/i370/i370.c, config/winnt/dirent.c,
	config/winnt/fixinc-nt.c, config/winnt/ld.c:
	Use uppercase ctype macros.  If we included ctype.h,
	include safe-ctype.h instead.

	* fixinc/fixfixes.c: Use uppercase ctype macros.  Don't test
	ISLOWER(c) before calling TOUPPER(c).
	* fixinc/fixincl.c (extract_quoted_files): Simplify out some gunk.
	* fixinc/gnu-regex.c: Include safe-ctype.h, not ctype.h.  No need to
	wrap ctype macros.  Don't test ISUPPER(x) before calling TOLOWER(x).
gcc/ch:
	* lex.c: Don't bother checking whether ISUPPER(c) before
	calling TOLOWER(c).  Don't bother checking whether isascii(c)
	before testing ISSPACE(c); ISSPACE(c) includes '\n'.
gcc/f:
	* Make-lang.in: Link f/fini with safe-ctype.o.
	* bad.c: Don't test ISUPPER(c) || ISLOWER(c) before calling TOUPPER(c).
	* com.c: Use TOUPPER, not ffesrc_toupper.
	* fini.c: Don't test ISALPHA(c) before calling TOUPPER(c)/TOLOWER(c).
	* intrin.c: Don't test IN_CTYPE_DOMAIN(c).
	* src.c: Delete ffesrc_toupper_ and ffesrc_tolower_ and their
	initializing code; use TOUPPER and TOLOWER instead of
	ffesrc_toupper and ffesrc_tolower.
	* src.h: Don't declare ffesrc_toupper_ or ffesrc_tolower_.
	Don't define ffesrc_toupper or ffesrc_tolower.
gcc/java:
	* jvgenmain.c: Use ISPRINT not isascii.

From-SVN: r38124
2000-12-08 03:00:26 +00:00
Neil Booth
614c7d3716 cppfiles.c (cpp_make_system_header): Take 2 booleans, and operate on current buffer.
* cppfiles.c (cpp_make_system_header): Take 2 booleans,
        and operate on current buffer.
        (cpp_read_file): Rename _cpp_read_file.
        * cpplib.c (do_line, do_pragma_system_header): Update calls to
        cpp_make_system_header.
        * fix-header.c: Similarly.
        * cpphash.h (_cpp_read_file): Move from...
        * cpplib.h: ... here.
        * cppinit.c (do_includes, cpp_start_read): Update appropriately.

From-SVN: r37989
2000-12-04 07:32:04 +00:00
Neil Booth
8d9e9a083d cppinit.c (initialize): Forgotten prototype.
* cppinit.c (initialize): Forgotten prototype.
        * cpplex.c (_cpp_lex_token): Loop until not skipping.
        Always clear PREV_WHITE upon meeting a new line.
        * cpplib.c (end_directive): Set pfile->skipping after
        skip_rest_of_line.
        * cpplib.h (cpp_reader): Remove macro_pos.
        * cppmacro.c (cpp_get_line): Don't do anything special inside
        macros.
        (parse_arg): Add PREV_WHITE if a token appears after new lines.
        (funlike_invocation_p): Save and restore the output position
        over a successful check for a '('.
        (enter_macro_context): Delete uses of macro_pos.
        (cpp_get_token): Don't use pfile->skipping.

From-SVN: r37927
2000-12-01 22:01:10 +00:00
Neil Booth
8dc4676ddb cppmacro.c (cpp_scan_buffer_nooutput): Take a boolean indicating whether to scan all buffers on the stack or just one.
* cppmacro.c (cpp_scan_buffer_nooutput): Take a boolean
        indicating whether to scan all buffers on the stack or
        just one.
        * cppinit.c (do_includes): Update.
        * cppmain.c (main): Update.
        * cpplib.h: Update prototype.

From-SVN: r37829
2000-11-28 21:34:30 +00:00
Neil Booth
cf44ea5231 c-lex.h (parse_in): Change parse_in to a cpp_reader *.
* c-lex.h (parse_in): Change parse_in to a cpp_reader *.
	* c-decl.c (c_decode_option): Update to match.
	* c-lex.c (init_c_lex, yyparse): Update to match.
	* c-lang.c (lang_init_options): Use cpp_create_reader.
	* cppinit.c (cpp_init): Rename initialize.
	(cpp_reader_init): Rename cpp_create_reader.  Create the
	reader.  Initialize cpplib if appropriate.
	* cpplib.h (cpp_create_reader) New prototype.
	(cpp_init, cpp_reader_init): Delete prototypes.
	* cppmain.c (general_init, setup_callbacks): New functions.
	(main): Use them.
	* fix-header.c (scan_in): Change type to cpp_reader *.
	(read_scan_file): Update for new cpplib interface and scan_in type.

	* cp/decl.c (parse_in): Change to cpp_reader *.
	(lang_decode_option): Update.
	* cp/lex.c (lang_init_options): Use new cpplib interface.
	(init_cp_pragma, finish_parse, handle_pragma_implementation): Update.
	* cp/spew.c (read_token): Update.
	* objc/objc-act.c (lang_init_options): Update new cpplib interface.

From-SVN: r37826
2000-11-28 21:13:35 +00:00
Neil Booth
6a6b162822 cppinit.c (cpp_reader_init): Remove handling of warn_paste command line options.
* cppinit.c (cpp_reader_init): Remove handling of warn_paste
        command line options.
        (cpp_handle_option): Similarly.
        * cpplib.h (struct cpp_options): Remove warn_paste.
        * cppmacro.c (paste_tokens): Apart from assembler, make
        unpasteable token warning mandatory.

From-SVN: r37804
2000-11-27 19:08:36 +00:00
Neil Booth
bdb05a7b49 cpplib.h (struct cpp_reader): Remove lang_asm.
* cpplib.h (struct cpp_reader): Remove lang_asm.
        (struct cpp_options): Remove c89. New members lang,
        extended_numbers.
        * cppexp.c (parse_number): Use them.
        * cpphash.h (VALID_SIGN): Use them.
        * cppinit.c (set_lang, cpp_start_read): Update.
        * cpplex.c (parse_string, _cpp_lex_token): Update.
        * cpplib.c (_cpp_handle_directive): Update.
        * cppmacro.c (parse_args): Update.
        * cppmain.c (scan_buffer): Update.

From-SVN: r37761
2000-11-26 17:31:13 +00:00
Neil Booth
056487e747 Makefile.in: Remove MAYBE_CPPLIB and maybe_cpplib.
* Makefile.in: Remove MAYBE_CPPLIB and maybe_cpplib.
        * c-decl.c: Remove parse_in declaration.
        * c-lang.c: Similarly.
        * c-lex.c: Similarly.
        * c-parse.in: Similarly.
        * c-pragma.c: Similarly.
        * configure.in: Similarly.
        * cp/Make-lang.in: Similarly.
        * cp/spew.c: Similarly.
        * cp/decl2.c: Remove check for lang-c++ option.
        * cp/lang-specs.h: Remove -lang-c++ from cc1plus command line.
        * cp/lex.c (lang_init_options): With cpp_reader_init, default to C++.
        * c-lex.h: Add declaration of parse_in.
        * cppinit.c: Call set_lang after allocating pfile->pending.
        * configure: Regenerate.

From-SVN: r37754
2000-11-26 10:48:50 +00:00
Neil Booth
3fc786a446 * do_includes: Revert to using cpp_read_file.
From-SVN: r37620
2000-11-21 18:27:49 +00:00
Neil Booth
dd07b88447 c-lang.c (lang_init_options): Update call to cpp_reader_init.
* c-lang.c (lang_init_options): Update call to
	cpp_reader_init.
	* cppmain.c (main): Similarly.
	* fix-header.c (read_scan_file): Similarly.
	* cp/lex.c (lang_init_options): Similarly.
	* objc/objc-act.c (lang_init_options): Similarly.
	* cppexp.c (parse_number): Only warn for unextended C89.
	* cppinit.c (set_lang): New function.
	(cpp_reader_init): Take a LANG argument and pass it to set_lang.
	(COMMAND_LINE_OPTIONS): New option std=c++98.
	(cpp_handle_option): Use set_lang.
	* cpplib.h (enum_c_lang): New enumeration.  Update comments.

From-SVN: r37587
2000-11-20 18:27:32 +00:00
Neil Booth
4a58aab6a7 cppinit.c: Update comments.
* cppinit.c: Update comments.
	(cpp_reader_init): Make -imacro and -include use the standard
	#include "" search path.
	(do_includes): New function.

From-SVN: r37542
2000-11-18 12:18:09 +00:00
Chandra Chavva
91606ce253 New option --target-help.
From-SVN: r37456
2000-11-14 12:06:06 -05:00
Neil Booth
a5c3cccda4 cppfiles.c (stack_include_file): Check for stacked contexts here.
* cppfiles.c (stack_include_file): Check for stacked contexts
	here.
	* cpphash.h (_cpp_do__Pragma): New prototype.
	* cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.

	* cpplex.c (skip_escaped_newlines): Only process trigraphs and
	escaped newlines if !(buffer->from_stage3).
	(_cpp_lex_token): Warn about missing newlines iff
	!buffer->from_stage3.

	* cpplib.c (get__Pragma_string, destringize,
	_cpp_do__Pragma): New functions.
	(run_directive): Set output_line for _Pragma to avoid line
	markers in output.  Set from_stage3 and prevent macro expansion
	for _Pragma and command-line options.  Check buffer exhaustion.
	(cpp_push_buffer): Don't check for stacked macro contexts, as
	this is perfectly legitimate for _Pragma.  Move the check to
	stack_include_file instead. Set from_stage3 iff buffer is
	preprocessed input.

	* cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
	unsigned. New boolean from_stage3.
	(struct spec_nodes): Add n__Pragma.

	* cppmacro.c (enter_macro_context): Flip sense of return value.
	(_cpp_get_token): Handle _Pragma operator.

From-SVN: r37147
2000-10-30 22:29:00 +00:00
Neil Booth
93c80368d9 New macro expander.
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
2000-10-28 17:59:06 +00:00
Neil Booth
d809068018 cpperror.c (_cpp_begin_message): Do the test for suppression of warnings and pedantic warnings before the "is a...
* cpperror.c (_cpp_begin_message):  Do the test for suppression
        of warnings and pedantic warnings before the "is a warning an
        error" tests.
	* cppinit.c (cpp_handle_option): Remove surplus \n.
	* cpplex.c (ON_REST_ARG): Delete.
	(skip_block_comment): Initialise prevc.
	(parse_args): Improve error messages.
	(maybe_paste_with_next): Use CONTEXT_VARARGS rather
	than ON_REST_ARG.
	* cpplib.c (cpp_push_buffer): Fix grammar in message.
	* cppmain.c (main): Set callbacks for #ident and #pragma
	only if no_output option is false.
	(do_pragma_implementation): Only call the #pragma handler
	if it is set in the cpp_reader structure.

From-SVN: r36655
2000-09-28 05:55:22 +00:00
Branko Cibej
317639a81c flags.h: Declare warning flag warn_system_headers.
2000-09-25  Branko Cibej  <branko.cibej@hermes.si>

        * flags.h:  Declare warning flag warn_system_headers.
        * toplev.c:  Define it.
        (W_options): Add option -Wsystem-headers.
        * diagnostic.c (count_error): Test warn_system_headers.
        * invoke.texi:  Add description for -Wsystem-headers.
	* cpplib.h (cpp_options): New member warn_system_headers.
	* cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
	CPP_IN_SYSTEM_HEADER.
	* cpplib.c (do_import, do_pragma_once): Likewise.
	* cpperror.c (_cpp_begin_message): Test warn_system_headers
	and CPP_IN_SYSTEM_HEADER.
	* cppinit.c (handle_option): Recognize -Wsystem_headers.
	(print_help): Describe -Wsystem_headers.
	* cpplex.c (lex_line): Reorganize condition so that warnings
	about C++ comments in system headers can be enabled. Remove
	label do_line_comment.

From-SVN: r36636
2000-09-25 22:54:04 +00:00
Mark Mitchell
31a1fdad32 cppinit.c (cpp_init): Don't use ANSI prototypes.
* cppinit.c (cpp_init): Don't use ANSI prototypes.
	* flow.c (flow_dump_loop): Likewise.
	(flow_loops_dump): Likewise.

From-SVN: r36480
2000-09-18 06:59:23 +00:00
Neil Booth
771c4df34e Makefile.in: Remove references to cppulp.{c,o}.
* Makefile.in: Remove references to cppulp.{c,o}.
	* cppinit.c (initialize_builtins, cpp_start_read,
	cpp_handle_option): Update to use cpp_options structure.
	* cppulp.c: Remove.

From-SVN: r36245
2000-09-07 20:31:06 +00:00
Zack Weinberg
2c8f0515bb cpperror.c (print_file_and_line): If line is (unsigned int)-1, print just the filename.
* cpperror.c (print_file_and_line): If line is (unsigned int)-1,
	print just the filename.
	* cpplex.c (_cpp_run_directive): Add additional argument, the
	name to give the synthetic buffer.  This defaults to
	translated "<command line>".
	* cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
	Adjust to match.
	(_cpp_define_builtin): New function.
	* cppinit.c (initialize_builtins): Use _cpp_define_builtin.
	* cpphash.h: Update prototypes.

	* tradcpp.c (main): Process -D and -U simultaneously, in the
	order they appeared on the command line.

From-SVN: r36043
2000-08-29 18:37:37 +00:00
Zack Weinberg
3cb553b468 [multiple changes]
2000-08-20  Zack Weinberg  <zack@wolery.cumb.org>

	* cppinit.c (cpp_init): Set global flag when called.
	(cpp_reader_init): Bomb out if cpp_init hasn't been called.

Sun Aug 20 01:41:35 MSD 2000 Dennis Chernoivanov <cdi@sparc.spb.su>

        * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
        before `process_directive' so that newlines won't be missed
        for directives.
        (cpp_printf): Increment `print->lineno' when newline is emitted.

        * cppmain.c (cb_ident): Likewise.
        (cb_define): Likewise.
        (cb_undef): Likewise.
        (cb_include): Likewise.
        (cb_def_pragma): Likewise.
        (dump_macros_helper): Likewise.

	* gcc.dg/cpp/pragma-1.c: New test.
	* gcc.dg/cpp/pragma-2.c: New test.

From-SVN: r35825
2000-08-20 21:36:18 +00:00
Neil Booth
61d0346df8 cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
* cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
	(_cpp_trigraph_map): Declaration moved from cpplex.c

	* cppinit.c: Define _cpp_trigraph_map.  Use UCHAR_MAX + 1
	instead	of 256.  Use consistent test for designated initializers.
	(cpp_init): Initialize trigraph_map.
	(initialize_standard_includes, parse_option):  Use memcmp
	instead of strncmp.

	* cpplex.c (init_trigraph_map): Remove.
	(trigraph_ok, trigraph_replace, lex_line): Refer to
	_cpp_trigraph_map.

	* cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
	(do_unassert): Remove unused "next" local.

	* system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.

From-SVN: r35789
2000-08-18 17:35:58 +00:00
Neil Booth
dd69c71bf5 cppinit.c (merge_include_chains): Use remove_dup_dir, remove_dup_dirs.
* (cppinit.c) merge_include_chains: Use remove_dup_dir,
	remove_dup_dirs.  If qtail == brack, remove brack not
	qtail.
	(remove_dup_dir, remove_dup_dirs): New functions.

From-SVN: r35766
2000-08-17 18:03:59 +00:00
Neil Booth
709e9e509c cppinit.c (cpp_cleanup): Free include dir chains.
* cppinit.c (cpp_cleanup): Free include dir chains.
	* cpplib.c (do_undef): Let _cpp_free_definition make the node void.
	(do_unassert): Free the assert with _cpp_free_definition.
	* cppmacro.c (_cpp_free_definition): Free memory allocated for
	assertions.  Make the node a T_VOID node.

From-SVN: r35765
2000-08-17 18:01:43 +00:00
Neil Booth
e33f625385 cppinit.c (path_include, [...]): Remove 2nd parameter (struct cpp_pending *).
* cppinit.c (path_include, append_include_chain):
	Remove 2nd parameter (struct cpp_pending *).
	(path_include, initialize_standard_includes, cpp_handle_option):
	Update callers appropriately.
	(cpp_handle_option): Use pend.

From-SVN: r35764
2000-08-17 17:58:24 +00:00
Neil Booth
c154ba66ef cppinit.c (sort_options): Remove, put functionality in cpp_init.
* cppinit.c (sort_options): Remove, put functionality in
	cpp_init.
	(cpp_init): New.
	(initialize_builtins): Free memory.
	(cpp_start_read): Move init_IStable to cpp_init.

	* cpplib.h (cpp_init): New prototype.
	* cppmain.c (main): Call cpp_init.

From-SVN: r35763
2000-08-17 17:52:48 +00:00
Joseph Myers
d677797245 cppdefault.h (WINT_TYPE): Define.
* cppdefault.h (WINT_TYPE): Define.
	* cppinit.c (builtin_array): Define __WINT_TYPE__.
	* tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
	* tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.

From-SVN: r35478
2000-08-04 13:45:57 +01:00
Zack Weinberg
5ef865d570 cppexp.c, [...]: Do not use 'legal' or 'illegal' in error messages and comments.
* cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
	cppspec.c: Do not use 'legal' or 'illegal' in error messages
	and comments.

	* cppmain.c (cb_define, cb_undef): Don't generate any output
	if not done_initializing.
	* cpplex.c (maybe_paste_with_next): When the token after a ##
	is an omitted rest argument, only delete the token before it
	if that token is a comma.  Do not warn about bogus token
	pastes for , ## rest_arg.

	* cpp.texi: Update.
	* cpp.1: Regenerate.

	* gcc.dg/cpp/macsyntx.c: Fix error regexp.

From-SVN: r35421
2000-08-02 07:08:49 +00:00
Zack Weinberg
58fea6afd9 cpperror.c (v_message): Split into _cpp_begin_message and v_message macro.
* cpperror.c (v_message): Split into _cpp_begin_message and
	v_message macro.  All callers updated.
	(_cpp_begin_message): Do inhibit_errors/inhibit_warnings
	checks here.

	* cppfiles.c (cpp_syshdr_flags): New function.
	(read_include_file): Don't call cpp_output_tokens.  Call
	enter_file hook.
	* cppinit.c (dump_macros_helper): Moved to cppmain.c.
	(cpp_reader_init): Don't initialize token_buffer.  Call
	_cpp_init_internal_pragmas.
	(cpp_cleanup): Don't clear token_buffer.
	(cpp_start_read): Don't worry about output from -D processing.
	Don't call cpp_output_tokens.
	(cpp_finish): Don't dump macros here.  Don't call
	cpp_output_tokens.
	* cppmacro.c (_cpp_dump_definition): Rename
	cpp_dump_definition.  Write directly to a FILE *.
	(dump_funlike_macro): Delete.
	(dump_macro_args): New.

	* cpplex.c (TOKEN_LEN): Convert to inline function.
	(_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
	cpp_scan_line, _cpp_dump_list): Delete.
	(cpp_printf, cpp_output_list): New.
	(output_line_command): Don't worry about entering or leaving files.
	(cpp_scan_buffer): Just output each token as we hit it.
	(process_directive): Don't call cpp_output_tokens.
	(_cpp_glue_header_name): Don't use token_buffer.
	(output_token, dump_param_spelling): Write directly to a FILE *.

	* cpplib.c (pass_thru_directive, dump_macro_name,
	pragma_dispatch, do_pragma_gcc): Delete.
	(do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
	do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
	functions.
	(do_error, do_warning, pragma_dependency): Call
	_cpp_begin_message, then cpp_output_list.
	(cpp_register_pragma, cpp_register_pragma_space,
	_cpp_init_internal_pragmas): New.
	(do_pragma): Walk the pragmas table here.
	(do_pragma_once, do_pragma_poison, do_pragma_system_header,
	do_pragma_dependency): Return void.
	(do_pragma_implementation): Moved to cppmain.c.

	* cpplib.h: Update prototypes.
	 (struct cpp_reader): Remove printer, token_buffer,
	token_buffer_size, and limit.  Add struct cb, and pragmas.
	(struct cpp_printer): Remove last_id and written.
	(CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
	CPP_ADJUST_WRITTEN): Delete.
	* cpphash.h: Update prototypes.
	(ufputs): New wrapper.

	* cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
	cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
	(main): Set up callbacks.  Register #pragma implementation.
	Dump macros from here.

From-SVN: r35415
2000-08-02 01:13:45 +00:00
Zack Weinberg
92936ecf1a cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block of operators allowed in #if...
* cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
	of operators allowed in #if and having an _EQ variant.  Add
	CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
	(cpp_token flags): Add NAMED_OP.
	(enum node_type): Add T_OPERATOR.
	(struct cpp_hashnode): Add code slot to value union.
	* cpphash.h (spec_nodes): Remove n_defined.

	* cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
	(spell_token, can_paste, maybe_paste_with_next): Handle named operators.
	(is_macro_disabled): Tweak error messages.

	* cpplib.c (get_define_node): Disallow all named operators as
	macro names.  Tweak error messages.
	(_cpp_init_stacks): Don't set up spec_nodes->n_defined.

	* cppinit.c (builtin_array): Add entries for the named operators.
	* cppexp.c (lex): Check for CPP_DEFINED token.
	(priority table): Add entries for CPP_MIN and CPP_MAX.
	(_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.

testsuite:
	* gcc.dg/cpp/directiv.c, gcc.dg/cpp/macsyntx.c,
	gcc.dg/cpp/undef1.c: Tweak error regexps.

From-SVN: r35137
2000-07-19 20:18:08 +00:00
Zack Weinberg
711b88243b [multiple changes]
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
2000-07-18 00:59:49 +00:00
Zack Weinberg
2c0accc920 cpphash.c (save_expansion): Clear PREV_WHITE on tokens immediately following a paste operator.
* 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
2000-07-15 19:29:14 +00:00
Zack Weinberg
f9a0e96c17 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
2000-07-13 02:32:41 +00:00
Neil Booth
9b55f29a84 cppinit.c: (cpp_reader_init): Allow digraphs by default.
* cppinit.c: (cpp_reader_init): Allow digraphs by default.
	(handle_option): Set digraphs according to standard.
	Merge OPT_lang_c89 handler with OPT_std_c89.

	* cpplex.c: (lex_line, can_paste): Honour digraphs in
	accordance with	the digraphs flag.

	* cpplib.h: (struct cpp_options): New option digraphs.

From-SVN: r34956
2000-07-11 08:58:28 +00:00
Neil Booth
91fcd1584b cpphash.h: ISvspace, is_vspace, is_nvspace: New.
* cpphash.h: ISvspace, is_vspace, is_nvspace: New.
	IShspace, ISspace: Update.

	* cppinit.c: ISTABLE: Update.
	V: New.

	* cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
	(IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
	(skip_block_comment, skip_line_comment,	parse_string,
	lex_line): Use is_vspace rather than IS_NEWLINE.
	(skip_whitespace, lex_line): Clean up to use is_nvspace.
	(lex_line): Use KNOWN_DIRECTIVE.  Any kind of directive
	gets a BOL flag.
	(lex_next): Unconditionally stop if within a directive.
	Treat directives within macro invocations as directives
	(after parse_args emits error), not as the argument.

	* testsuite/gcc.dg/cpp/directiv.c: New tests.
	* testsuite/gcc.dg/cpp/undef1.c: Update.

From-SVN: r34933
2000-07-09 09:19:44 +00:00
Zack Weinberg
bfb9dc7faa cpplib.h (struct cpp_name): Now struct cpp_string.
* 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
2000-07-08 19:00:39 +00:00
Donn Terry
aaaf7848cd cppinit.c (print_help): split overlong line into ISO C89 maximum chunks.
2000-07-03  Donn Terry  (donnte@microsoft.com)

	* cppinit.c (print_help): split overlong line into ISO C89
	maximum chunks.

From-SVN: r34922
2000-07-08 06:21:13 +00:00
Zack Weinberg
cf00a88510 cppexp.c: Update all code for new lexer interface.
* cppexp.c: Update all code for new lexer interface.
	(op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
	(struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
	* cpplex.c (token_names): Trim leading CPP_ from names; make
	the strings unsigned.
	(_cpp_spell_operator): New.
	(is_macro_disabled): Disable all macros if rescanning
	preprocessed text.
	(_cpp_get_directive_token): Remove.

	* cppinit.c: Don't set no_macro_expand.
	* cpplib.c (read_line_number, do_line): Check only for EOF,
	not VSPACE.
	* cpphash.h: Update prototypes.
	* cpplib.h (CPP_VSPACE): Remove.
	(struct cpp_reader): Remove no_macro_expand.

testsuite:
	* gcc.dg/cpp/19951227-1.c, gcc.dg/cpp/assert2.c,
	gcc.dg/cpp/if-1.c, gcc.dg/cpp/if-4.c: Tweak error regexps.

From-SVN: r34920
2000-07-08 02:33:00 +00:00
Zack Weinberg
60893f4317 cppinit.c: Include cppdefault.h.
* cppinit.c: Include cppdefault.h.  Refer to
	cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
	to GCC_INCLUDE_DIR and its length.
	(SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
	USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
	STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT):  Move to
	cppdefault.h.
	(include_defaults_array): Move to cppdefault.c.

	* cppdefault.h: New file.
	* cppdefault.c: New file.

	* Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
	(cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
	(cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
	this file.

From-SVN: r34892
2000-07-06 22:52:03 +00:00
Zack Weinberg
c71f835b25 cpplex.c: Don't include sys/mman.h.
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
2000-07-05 05:33:57 +00:00
Zack Weinberg
041c31944c top level:
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
2000-07-04 01:58:21 +00:00
Jakub Jelinek
fb753f88e9 cpplib.h (struct cpp_reader): New field include_depth.
* cpplib.h (struct cpp_reader): New field include_depth.
	(struct cpp_printer): Rename last_bsd to last_id.
	* cppfiles.c (read_include_file): Bump include_depth.
	* cpplex.c (cpp_pop_buffer): Decrement include_depth.
	(output_line_command): Output correct #line if a header
	is including itself and is not protected against multiple inclusion.
	Use include_depth instead of buffer_stack_depth, last_id instead of
	last_bsd.
	* cppinit.c (cpp_start_read): Initialize last_id instead of
	last_bsd.

From-SVN: r34831
2000-07-02 10:56:57 +02:00
Zack Weinberg
d4506961cd cppfiles.c (open_include_file): If open(2) returns EMFILE or ENFILE...
* cppfiles.c (open_include_file): If open(2) returns EMFILE or
	ENFILE, close all cached file descriptors and try again.
	(_cpp_execute_include): Keep a count of the number of times
	each header is included.
	(close_cached_fd): New function.
	* cpphash.h (struct include_file): Rename before to
	include_count; all users updated.  Make include_count and sysp
	unsigned short.
	* cppinit.c (cpp_finish): If -H, report headers that could use
	reinclude guards.
	(report_missing_guard): New function.

From-SVN: r34760
2000-06-28 19:03:08 +00:00
Zack Weinberg
c31a6508ee cppfiles.c: Include splay-tree.h, not hashtab.h.
* 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
2000-06-21 18:33:51 +00:00