Commit Graph

172 Commits

Author SHA1 Message Date
Kazu Hirata
da7d830409 ChangeLog: Follow spelling conventions.
* ChangeLog: Follow spelling conventions.
	* ChangeLog.0: Likewise.
	* ChangeLog.1: Likewise.
	* ChangeLog.2: Likewise.
	* ChangeLog.3: Likewise.
	* ChangeLog.4: Likewise.
	* ChangeLog.5: Likewise.
	* ChangeLog.6: Likewise.
	* FSFChangeLog.10: Likewise.
	* FSFChangeLog.11: Likewise.
	* alias.c: Likewise.
	* basic-block.h: Likewise.
	* c-aux-info.c: Likewise.
	* c-common.c: Likewise.
	* c-common.h: Likewise.
	* c-decl.c: Likewise.
	* c-format.c: Likewise.
	* c-semantics.c: Likewise.
	* c-typeck.c: Likewise.
	* calls.c: Likewise.
	* cfganal.c: Likewise.
	* cfgloop.c: Likewise.
	* collect2.c: Likewise.
	* combine.c: Likewise.
	* conflict.c: Likewise.
	* cppexp.c: Likewise.
	* cppfiles.c: Likewise.
	* cpphash.h: Likewise.
	* cppinit.c: Likewise.
	* cpplex.c: Likewise.
	* cpplib.c: Likewise.
	* cpplib.h: Likewise.
	* cppmacro.c: Likewise.
	* cse.c: Likewise.

From-SVN: r57398
2002-09-22 02:03:17 +00:00
Neil Booth
79ba5e3b9e Debian BTS Bug #
Debian BTS Bug #
	* cpphash.h (FIRST, LAST, CUR, RLIMIT): Fix definitions.
	* cpplib.c (destringize_and_run): Kludge around getting
	tokens from in-progress macros.
	(_cpp_do__Pragma): Simplify.
testsuite:
	* gcc.dg/cpp/_Pragma4.c: New test.

From-SVN: r56773
2002-09-03 21:55:40 +00:00
Neil Booth
f4ff5a691f c-opts.c (deps_seen, [...]): New.
* c-opts.c (deps_seen, deps_file, deferred_count, deferred_size,
	handle_deferred_opts, sanitize_cpp_opts, defer_opt,
	struct deferred_opt): New.
	(COMMAND_LINE_OPTIONS): Add -M*.
	(missing_arg): Update.
	(c_common_decode_option): Handle -M*.
	(c_common_post_options): Handle -M*.  Use sanitize_cpp_opts;
	don't call cpp_post_options.
	(c_common_finish, check_deps_environment_vars): Update.
	* cppfiles.c (stack_include_file, handle_missing_header): Update.
	* cpphash.h (CPP_PRINT_DEPS): Remove.
	* cppinit.c: Don't include version.h.
	(cpp_create_reader): Don't call deps_init.  Initialize
	warn_long_long.
	(cpp_read_main_file): Init deps if necessary.
	(cpp_destroy): Conditionally free deps.
	(cpp_finish): Update.
	(no_tgt): Remove.
	(COMMAND_LINE_OPTIONS, cpp_handle_option): Remove -M*.
	(cpp_post_options): Rename post_options.
	* cpplib.h (struct cpp_options): Remove some dependency options;
	move others to a new structure.
	(cpp_post_options): Remove.
	(cpp_finish): Comment.
	* fix-header.c (read_scan_file): Don't call cpp_post_options.
treelang:
	* treelang.c: Remove cpp_post_options.

From-SVN: r56239
2002-08-12 22:44:30 +00:00
Neil Booth
a37374818c cpphash.h (struct printer): New from cppmain.c.
* cpphash.h (struct printer): New from cppmain.c.
	(cpp_reader): New member.
	* cppmain.c (struct printer): Move to cpphash.h.
	(options, print): Remove.
	(account_for_newlines, print_line, maybe_print_line,
	cpp_preprocess_file, setup_callbacks, scan_translation_unit,
	scan_translation_unit_trad, cb_line_change, cb_ident,
	cb_define, cb_undef, cb_include, cb_file_change, dump_macro,
	cb_def_pragma): Make reentrant.

From-SVN: r56233
2002-08-12 17:21:52 +00:00
Neil Booth
a69cbaac60 cppexp.c (parse_defined): Mark macro used.
* cppexp.c (parse_defined): Mark macro used.
	* cpphash.h (struct cpp_macro): New member "used".
	(_cpp_mark_macro_used, _cpp_warn_if_unused_macro): New.
	(struct cpp_reader): New member.
	* cppinit.c (cpp_finish_options): Set first_unused_line.
	(cpp_finish): Warn of unused macros if requested.
	(OPT_TABLE): New switches.
	(cpp_handle_option): Handle them.
	* cpplib.c (do_undef): Warn if macro unused.
	(do_ifdef, do_ifndef): Mark macro used.
	* cpplib.h (struct cpp_options): New member.
	* cppmacro.c (_cpp_warn_if_unused_macro): New.
	(enter_macro_context): Mark macro used.
	(_cpp_create_definition): Mark macro unused; warn if unused
	when redefined.
	* cpptrad.c (scan_out_logcial_line, push_replacement_text):
	Mark macros used.
	* doc/cppopts.texi: Update.
testsuite:
	* gcc.dg/cpp/trad/Wunused.c, gcc.dg/cpp/trad/Wunused.h,
	gcc.dg/cpp/Wunused.c, gcc.dg/cpp/Wunused.h: New tests.

From-SVN: r55692
2002-07-23 22:57:49 +00:00
Neil Booth
951a076609 cpphash.h (_cpp_set_trad_context): Remove.
* cpphash.h (_cpp_set_trad_context): Remove.
	* cpplib.c (prepare_directive_trad): Do nothing for #define.
	(cpp_push_buffer, _cpp_pop_buffer): Don't call _cpp_set_trad_context.
	* cpptrad.c: Update comments.
	(_cpp_read_logical_line_trad): Let scan_logical_line handle
	updating the current context.
	(scan_logical_line): Update the current context.
	(_cpp_create_trad_definition): Similarly.
	(_cpp_set_trad_context): Remove.

From-SVN: r55022
2002-06-27 06:01:58 +00:00
Neil Booth
278c466207 cpphash.h (struct cpp_reader): Make date and time strings.
* cpphash.h (struct cpp_reader): Make date and time strings.
	(_cpp_builtin_macro_text, _cpp_copy_replacement_text,
	_cpp_replacement_text_len): New.
	* cppinit.c (cpp_create_reader): Update.
	(init_builtins): Register appropriate builtins for -traditional-cpp.
	* cppmacro.c (new_number_token): Remove.
	(_cpp_builtin_macro_text): New.
	(builtin_macro): Use it.
	(cpp_macro_definition): Update to handle traditional macros.
	* cppmain.c (cb_line_change): Don't do column positioning for
	traditional output.
	* cpptrad.c (enum ls): Rename ls_fun_macro to ls_fun_open.  New
	state ls_fun_close.
	(skip_whitespace): Fix.
	(maybe_start_funlike): Don't set state.parsing_args.
	(scan_out_logical_line): Remove duplicate error.  Use lex_state
	rather than state.parsing_args.
	(push_replacement_text): Handle builtins.
	(_cpp_replacement_text_len, _cpp_copy_replacement_text): New.

From-SVN: r54771
2002-06-19 05:40:08 +00:00
Neil Booth
d97371e024 cpplib.c (dtable): Update.
* cpplib.c (dtable): Update.
	(end_directive): Decrement expansion prevention count.
	Clear state.in_expression.
	(prepare_directive_trad): Set state.in_expression.
	Increment expansion prevention count.
	* cpptrad.c (enum ls): New.
	(_cpp_overlay_buffer): Set overlaid_buffer.
	(_cpp_remove_overlay): Use overlaid_buffer.
	(_cpp_read_logcial_line_trad): Update buffer when it might
	have changed.
	(scan_out_logical_line): Handle state transitions for assertions
	and defined() in #if, and for funlike invocations including the
	directive case.  Handle '<' and '>' as a quote mechanism in
	#include.  Warn about unterminated macro invocations.
	* cpphash.h (struct lexer_state): New member in_expression.
	(struct cpp_reader): New member overlaid buffer.

From-SVN: r54732
2002-06-18 06:27:40 +00:00
Neil Booth
bf9d5852a0 cpphash.h (struct cpp_buffer): Remove saved_line_base.
* cpphash.h (struct cpp_buffer): Remove saved_line_base.
	* cpptrad.c: Update comments.
	(skip_whitespace, copy_comment): Take a new parameter.
	(skip_escaped_newlines): Don't duplicate escaped newline test.
	(copy_comment): Different location for CUR, decide here how
	to copy / replace the comment.
	(skip_whitespace): Copy whitespace.
	(_cpp_overlay_buffer, _cpp_remove_overlay): Don't play with line_base.
	(scan_out_logical_line): Let copy comment handle keeping or
	replacing comments.
	(scan_parameters, _cpp_create_trad_definition): Update.

From-SVN: r54605
2002-06-14 05:43:13 +00:00
Neil Booth
b66377c173 cpphash.h (_cpp_lex_identifier_trad): Remove.
* cpphash.h (_cpp_lex_identifier_trad): Remove.
	* cpplib.c (end_directive): Don't skip, always remove overlay
	apart from #define.
	(prepare_directive_trad): Handle NULL pfile->directive.
	(_cpp_handle_directive): Always call prepare_directive_trad
	if traditional.
	* cppmain.c (check_multiline_token): Rename account_for_newlines,
	generalize inputs.
	(scan_translation_unit_trad): Use it.
	* cpptrad.c (skip_comment): Rename copy_comment, copy comment to
	output, get escaped newline in comment close correct.
	(check_output_buffer, skip_whitespace): Update.
	(_cpp_lex_identifier_trad): Remove.
	(scan_out_logical_line): Handle -C and comments in directives
	properly.

From-SVN: r54599
2002-06-13 21:16:00 +00:00
Neil Booth
1a76916c78 Makefile.in: Update cppmain.o.
* Makefile.in: Update cppmain.o.
	* cpphash.h (struct cpp_reader): Move some members to a
	nested structure.
	(trad_line): Rename saved_line.
	(_cpp_read_logical_line_trad): Update.
	(_cpp_remove_overlay): New.
	* cppinit.c (cpp_create_reader): No need to set saved_line.
	(cpp_destroy): Update.
	(cpp_read_main_file): Only overlay if compiling.
	* cpplex.c (continue_after_nul): Return false if in directive.
	* cpplib.c (EXPAND): New.
	(directive_table, SEEN_EOL): Update.
	(end_directive): Remove overlay if traditional; don't skip
	line in traditional #define.
	(prepare_directive_trad): New.
	(_cpp_handle_directive, run_directive): Update for traditional
	directives.
	(lex_macro_node): Simplify, don't use lex_identifier_trad.
	* cpplib.h (struct options): Add preprocess_only.
	* cppmain.c: Don't include intl.h.
	(cpp_preprocess_file): Set options->preprocess_only.
	(scan_translation_unit_trad): Fix, and print line numbers.
	* cpptrad.c (check_output_buffer, lex_identifier, scan_parameters,
	maybe_start_funlike, scan_out_logical_line, replace_args_and_push,
	save_replacement_text, _cpp_create_trad_definition): Update for
	variable renaming.
	(_cpp_overlay_buffer): Save line number.
	(_cpp_remove_overlay): Rename from restore_buff, restore line.
	(_cpp_read_logical_line_trad): Don't handle overlays here.
	(scan_out_logical_line): Process directives.

From-SVN: r54485
2002-06-11 05:36:17 +00:00
Neil Booth
afb03408e0 cpphash.h (_cpp_read_logical_line_trad, [...]): Update prototypes.
* cpphash.h (_cpp_read_logical_line_trad,
	_cpp_expansions_different_trad): Update prototypes.
	* cpplex.c (continue_after_nul): New.
	* cppmain.c: Include cpphash.h.
	(scan_translation_unit_trad): New.
	(cpp_preprocess_file): Call it.
	* cpptrad.c (_cpp_read_logical_line_trad): Take new parameter
	overlay.
	(_cpp_expansions_different_trad): Update prototype.

From-SVN: r54446
2002-06-10 17:20:30 +00:00
Neil Booth
6618c5d49d cpphash.h (struct cpp_macro): Put comments on their own lines.
* cpphash.h (struct cpp_macro): Put comments on their own lines.
	(_cpp_expansions_different_trad): New.
	* cppmacro.c (warn_of_redefinition): Fix for traditional case.
	* cpptrad.c (canonicalize_text): New.
	(scan_out_logical_line): Handle no arguments correctly.
	(save_replacement_text): Commit memory when finished.
	(_cpp_expansions_different_trad): New.

From-SVN: r54432
2002-06-10 06:03:13 +00:00
Neil Booth
1ce676a061 cpphash.h (_cpp_push_text_context): Update.
* cpphash.h (_cpp_push_text_context): Update.
	(_cpp_arguments_ok): New.
	* cppmacro.c (_cpp_arguments_ok): New, split out from...
	(collect_args): ...here.
	(_cpp_push_text_context): Change inputs.
	* cpptrad.c (struct fun_macro, maybe_start_funlike, save_argument,
	replace_args_and_push): New.
	(lex_identifier, _cpp_lex_identifier_trad, scan_parameters):
	Don't use IS macros directly.
	(scan_out_logical_line): Handle function-like macro argument
	collection.
	(push_replacement_text): Update.
	(replacement_length): Remove.
	(_cpp_create_trad_definition): Don't skip whitespace before
	checking for '('.

From-SVN: r54412
2002-06-09 20:04:17 +00:00
Zack Weinberg
5a9ee62387 Makefile.in (LIBCPP_OBJS): Take out version.o.
* Makefile.in (LIBCPP_OBJS): Take out version.o.
	* cpphash.h (cpp_reader): Take out print_version member.
	* cppinit.c: (cpp_handle_option): Don't do anything with
	-version.  Just set help_only for --version, --target-help.
	Just set verbose option for -v.
	(cpp_post_options): Don't print a version string.

From-SVN: r54390
2002-06-09 00:26:31 +00:00
Neil Booth
c70f6ed314 cpptrad.c (struct block, [...]): New.
* cpptrad.c (struct block, BLOCK_HEADER_LEN, BLOCK_LEN,
	scan_parameters, save_replacement_text, replacement_length): New.
	(scan_out_logical_line): Take a macro and save parameters if
	non-NULL.
	(_cpp_logical_line_trad): Update.
	(_cpp_create_trad_definition): Update to handle function-like
	macros.
	* cpplex.c (new_buff): Update.
	(struct dummy, DEFAULT_ALIGNMENT, CPP_ALIGN): Move...
	* cpphash.h: ...here.
	(CPP_ALIGN2, _cpp_save_parameter): New.
	* cppmacro.c (save_parameter): Rename, export.
	(parse_params): Update.

From-SVN: r54331
2002-06-07 06:26:32 +00:00
Neil Booth
cbc69f844e cpphash.h (_cpp_create_definition): Update prototype.
* cpphash.h (_cpp_create_definition): Update prototype.
	(_cpp_push_text_context, _cpp_create_trad_definition): New.
	( cpp_lex_identifier_trad): New.
	(_cpp_set_trad_context): New.
	* cppinit.c (cpp_finish_options): Don't conditionalize builtins.
	* cpplib.c (SEEN_EOL): Update.
	(lex_macro_node): Update for -traditional.
	(cpp_push_buffer, _cpp_pop_buffer): Similarly.
	* cppmacro.c (_cpp_create_definition): Split into
	create_iso_definition() and _cpp_create_trad_definition().
	(warn_of_redefinition): Update prototype; handle traditional
	macros.
	(_cpp_push_text_context): New.
	* cpptrad.c (skip_whitespace, push_replacement_text): New.
	(lex_identifier): Call ht_lookup with correct start.
	(_cpp_lex_identifier_tradm _cpp_create_trad_definition,
	_cpp_set_trad_context): New.
	(scan_out_logical_line): Update to handle changing contexts.

From-SVN: r54293
2002-06-05 20:27:12 +00:00
Neil Booth
82eda77ed5 cpphash.h (FIRST, [...]): New.
* cpphash.h (FIRST, LAST, CUR, RLIMIT): New.
	(struct cpp_context): Add traditional fields.
	* cppmacro.c (paste_all_tokens, push_ptoken_context,
	push_token_context, cpp_get_token, _cpp_backup_tokens): Update.
	* cpptrad.c (skip_comment, lex_identifier,
	_cpp_read_logical_line_trad, scan_out_logical_line): Update.

From-SVN: r54242
2002-06-04 13:07:06 +00:00
Neil Booth
cd7ab83f2d cppexp.c (cpp_num): Move to cpplib.h.
2002-05-29  Neil Booth  <neil@daikokuya.demon.co.uk>
	    Zack Weinberg <zack@codesourcery.com>

	* cppexp.c (cpp_num): Move to cpplib.h.
	(CPP_ERROR): Remove.
	(interpret_float_suffix, interpret_int_suffix): New.
	(struct suffix, vsuf_1, vsuf_2, vsuf_3): Remove.
	(cpp_classify_number, cpp_interpret_integer): New.
	(interpret_number): Remove.
	(eval_token): Update to use new routines.
	* cpphash.h (cpp_num_part): Move to cpplib.h.
	* cppinit.c (cpp_post_options): Set warn_long_long.
	* cpplib.h (struct cpp_options): Add warn_long_long.
	(cpp_num, cpp_num_part, CPP_N_CATEGORY, CPP_N_INVALID,
	CPP_N_INTEGER, CPP_N_FLOATING, CPP_N_WIDTH, CPP_N_SMALL,
	CPP_N_MEDIUM, CPP_N_LARGE, CPP_N_RADIX, CPP_N_DEC, CPP_N_HEX,
	CPP_N_OCTAL, CPP_N_UNSIGNED, CPP_N_IMAGINARY, cpp_classify_number,
	cpp_interpret_integer): New.
testsuite:
	* gcc.dg/cpp/c++98-pedantic.c, gcc.dg/cpp/c89-pedantic.c,
	gcc.dg/cpp/c94-pedantic.c, gcc.dg/cpp/gnuc89-pedantic.c,
	gcc.dg/cpp/if-1.c: Update for modified diagnostics.

Co-Authored-By: Zack Weinberg <zack@codesourcery.com>

From-SVN: r54007
2002-05-29 17:15:42 +00:00
Neil Booth
c9220e3a83 c-common.c (c_common_init): Set CPP arithmetic precision.
* c-common.c (c_common_init): Set CPP arithmetic precision.
	* cppexp.c (cpp_num_part): Move typedef ...
	* cpphash.h: ...here; make unsigned HOST_WIDE_INT.
	* cppinit.c (cpp_create_reader): Default to host long arithmetic.
	(sanity_checks): Update.
testsuite:
	* gcc.dg/cpp/arith-2.c, gcc.dg/cpp/arith-3.c: New tests.
	* gcc.dg/cpp/if-3.c: Remove.

From-SVN: r53911
2002-05-27 05:51:14 +00:00
Kazu Hirata
df38348381 cpperror.c: Fix formatting.
* 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
2002-05-22 22:02:16 +00:00
Zack Weinberg
2a1dc0d87e c-common.c (c_common_init): Set options->unsigned_char from flag_signed_char.
* 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
2002-05-21 21:55:37 +00:00
Neil Booth
004cb26351 Makefile.in: Update for cpptrad.c.
* Makefile.in: Update for cpptrad.c.
	* cpphash.h (struct cpp_buffer): New members for buffer
	overlays.
	(struct cpp_reader): New members for traditional output.
	(_cpp_read_logical_line, _cpp_overlay_buffer): New.
	* cppinit.c (cpp_create_reader): Set trad_line.
	(cpp_destroy): Free trad_out_base if used.
	(cpp_read_main_file): Overlay an empty buffer if traditional.
	(cpp_finish_options): Don't do builtins.
	(COMMAND_LINE_OPTIONS): Add -traditional-cpp.
	(cpp_handle_option): Handle it.
	* cpplex.c (continue_after_nul): New.
	(_cpp_lex_direct): Use handle_nul.
	* cpplib.h (struct cpp_options): New traditional option.
	* cpptrad.c: New file.

From-SVN: r53568
2002-05-17 20:16:48 +00:00
Neil Booth
601328bb23 cpphash.h (cpp_macro): Move here, and make expansion a union.
* cpphash.h (cpp_macro): Move here, and make expansion a union.
	* cppmacro.c (cpp_macro): Remove.
	(enter_macro_context, replace_args, warn_of_redefinition,
	_cpp_create_definition, cpp_macro_definition): Update.

From-SVN: r53509
2002-05-16 05:53:24 +00:00
Neil Booth
4268e8bb94 c-lex.c (lex_string): Let cpp_parse_escape handles truncation and sign-extension.
* c-lex.c (lex_string): Let cpp_parse_escape handles truncation
	and sign-extension.
	(lex_charconst): Update for change in prototype of
	cpp_interpret_charconst.  Extend from cppchar_t to HOST_WIDE_INT
	appropriately.
	* cpphash.h (BITS_PER_CPPCHAR_T): New.
	* cppinit.c (cpp_create_reader): Initialize them for no
	change in semantics.
	(cpp_post_options): Add sanity checks.
	* cpplex.c (cpp_parse_escape): Handle precision, sign-extension
	and truncation issues.  Calculate in type cppchar_t.
	(MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Remove.
	(cpp_interpret_charconst): Calculate in type cppchar_t.  Handle
	run-time dependent precision correctly.  Return whether the
	result is signed or not.
	* cpplib.c (dequote_string): Use cppchar_t; update.
	* cpplib.h (cppchar_signed_t): New.
	struct cpp_options): New precision members.
	(cpp_interpret_charconst, cpp_parse_escape): Update prototypes.

From-SVN: r53152
2002-05-04 07:30:32 +00:00
Neil Booth
60284a5928 cppexp.c (lex): Move some code to _cpp_parse_expr, but keep most cases as function eval_token.
* cppexp.c (lex): Move some code to _cpp_parse_expr, but
	keep most cases as function eval_token.
	(eval_token): New function.
	(_cpp_parse_expr): Read token here for improved diagnostics.
	Don't use op_as_text.  Detect bad ':' here.
	(reduce): Don't detect bad ':' here.
	(op_as_text): Remove.
	* cpphash.h (_cpp_test_assertion): Change prototype.
	* cpplib.c (_cpp_test_assertion): Change prototype.
testsuite:
	* gcc.dg/cpp/if-cexp.c: Add a test.

From-SVN: r52866
2002-04-28 23:14:56 +00:00
Neil Booth
87ed109f1f cppexp.c (lex): Update to use state.skip_eval.
* cppexp.c (lex): Update to use state.skip_eval.
	(struct op): Remove prio and flags members.
	(FLAG_BITS, FLAG_MASK, PRIO_SHIFT, EXTRACT_PRIO, EXTRACT_FLAGS,
	SHORT_CIRCUIT, RIGHT_ASSOC, ..._PRIO, op_to_prio): Remove.
	(LEFT_ASSOC): New macro.
	(optab): New table of operator priorities and flags.
	(SHIFT): Update.
	(_cpp_parse_expr): Clean up logic.  Return bool.  Use a
	malloc-ed parser stack.
	(reduce): New; reduce the operator stack.
	(_cpp_expand_op_stack): Expand the operator stack as necessary.
	* cpphash.h (struct op): Predeclare.
	(struct cpp_reader): New members op_stack, op_limit.
	(struct lexer_state): New member skip_eval.
	(_cpp_parse_expr): Update.
	(_cpp_expand_op_stack): New.
	* cpplib.c (do_if): Update.
	* cppinit.c (cpp_create_reader): Create op stack.
	(cpp_destroy): And destroy it.
	* cpplib.h (CPP_LAST_CPP_OP): Correct.
	(TTYPE_TABLE): Correct.
testsuite:
	* gcc.dg/cpp/if-mop.c: Update.
	* gcc.dg/cpp/if-mpar.c: Add test.
	* gcc.dg/cpp/if-oppr.c: Update.

From-SVN: r52853
2002-04-28 19:42:54 +00:00
Neil Booth
af0d16cdec cppfiles.c (_cpp_pop_file_buffer): Return void.
* cppfiles.c (_cpp_pop_file_buffer): Return void.  Move
	file change and include code to _cpp_pop_buffer.
	* cpphash.h (struct pending_option): Predeclare.
	(struct cpp_reader): New member next_include_file.
	(_cpp_pop_file_buffer): Update.
	(_cpp_push_next_buffer): Update, rename.
	* cppinit.c (cpp_destroy): Free include chain and pending here.
	(cpp_finish_options): Simplify.
	(_cpp_push_next_buffer): Rename and clean up.
	* cpplib.c (cpp_pop_buffer): Move code from _cpp_pop_file_buffer.
	Clarify.
	* cppmacro.c (cpp_scan_nooutput): Set return_at_eof here.

From-SVN: r52621
2002-04-22 17:48:02 +00:00
Neil Booth
562a5c27c2 cppexp.c (struct op, [...]): Replace U_CHAR with uchar.
* cppexp.c (struct op, parse_number): Replace U_CHAR with uchar.
	* cppfiles.c (read_include_file): Similarly.
	* cpphash.h (DSC, U_CHAR, ustrcmp, ustrncmp, ustrlen,
	uxstrdup ustrchr, ufputs): Similarly.
	* cppinit.c (TRIGRAPH_MAP, cpp_destroy): Similarly.
	* cpplex.c (parse_slow, unescaped_terminator_p, save_comment,
	cpp_ideq, parse_identifier, parse_number): Similarly.
	* cpplib.c (struct directive, dequote_string, D, run_directive,
	cpp_push_buffer): Similarly.
	* cppmacro.c (new_string_token, builtin_macro, cpp_quote_string,
	_cpp_create_definition, check_trad_stringification,
	cpp_macro_definition): Similarly.

From-SVN: r52587
2002-04-21 18:46:42 +00:00
Neil Booth
ebef4e8ca7 cpperror.c (print_location): Don't print include chain if line == 0.
* cpperror.c (print_location): Don't print include chain
	if line == 0.
	(cpp_begin_message): Update to use DL_ macros.
	(cpp_ice, cpp_fatal, cpp_error_from_errno, cpp_warning,
	cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
	cpp_notice, cpp_notice_from_errno): Remove.
	(cpp_error, cpp_error_with_line): Update to take a diagnostic
	level.
	(cpp_errno): New.
	* cppexp.c (CPP_ICE): Remove.
	(SYNTAX_ERROR, SYNTAX_ERROR2, parse_number, parse_defined,
	lex, integer_overflow, _cpp_parse_expr): Update.
	* cppfiles.c (read_include_file, find_include_file,
	handle_missing_header, _cpp_read_file, remap_filename): Update.
	* cpphash.h (enum error_type): Remove.
	(_cpp_begin_message): Update.
	* cppinit.c (append_include_chain, remove_dup_dirs, output_deps,
	cpp_handle_option, cpp_post_options): Update.
	* cpplex.c (trigraph_p, skip_escaped_newlines, skip_block_comment,
	skip_whitespace, parse_identifier, parse_slow, parse_string,
	_cpp_lex_direct, cpp_spell_token, maybe_read_ucs, cpp_parse_escape,
	cpp_interpret_charconst): Update.
	* cpplib.c (check_eol, directive_diagnostics, _cpp_handle_directive,
	lex_macro_node, do_undef, glue_header_name, parse_include,
	do_include_common, read_flag, do_line, do_linemarker, do_ident,
	cpp_register_pragma, do_pragma_once, do_pragma_system_header,
	do_pragma_poison, do_pragma_dependency, _cpp_do__Pragma, do_else,
	do_elif, do_endif, parse_answer, parse_assertion, do_assert,
	_cpp_pop_buffer, do_diagnostic): Update.
	* cpplib.h (DL_WARNING, DL_WARNING_SYSHDR, DL_PEDWARN, DL_ERROR,
	DL_FATAL, DL_ICE, DL_EXTRACT, DL_WARNING_P): New.
	(cpp_ice, cpp_fatal, cpp_error_from_errno, cpp_warning,
	cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
	cpp_notice, cpp_notice_from_errno): Remove.
	(cpp_error, cpp_error_with_line): Update to take a diagnostic
	level.
	(cpp_errno): New.
	* cppmacro.c (builtin_macro, stringify_arg, paste_all_tokens,
	collect_args, enter_macro_context, save_parameter, parse_params,
	_cpp_create_definition, check_trad_stringification,
	cpp_macro_definition): Update.
	* cppmain.c (cpp_preprocess_file): Update.
	* fix-header.c (read_scan_file): Update.

From-SVN: r52302
2002-04-14 18:42:47 +00:00
Neil Booth
d4e6133f20 cpphash.h (struct cpp_reader): Remove mls_line and mls_col.
* cpphash.h (struct cpp_reader): Remove mls_line and mls_col.
        * cpplex.c (unterminated): Delete.
        (parse_string): No string literal may extend over multiple
        lines.  Suppress the error when preprocessing assembly.
	* cppmain.c (scan_translation_unit): Strings are single-line.

        * doc/cpp.texi: Update to match.
        * testsuite/gcc.dg/cpp/multiline.c: Update to match.

From-SVN: r51195
2002-03-22 22:29:07 +00:00
Zack Weinberg
dcc229e5a1 cpphash.h (struct lexer_state): Remove line_extension member.
* cpphash.h (struct lexer_state): Remove line_extension member.
	* cpplib.c (dequote_string, do_linemarker): New functions.
	(linemarker_dir): New data object.
	(DIRECTIVE_TABLE): No longer need to interpret #line in
	preprocessed source.  Delete obsolete comment about return
	values of handlers.
	(end_directive, directive_diagnostics, _cpp_handle_directive):
	Don't muck with line_extension.
	(directive_diagnostics): No need to issue warnings for
	linemarkers here.
	(_cpp_handle_directive): Issue warnings for linemarkers here,
	when appropriate.  Dispatch linemarkers to do_linemarker, not
	do_line.
	(do_line): Code to handle linemarkers split out to do_linemarker.
	Convert escape sequences in filename argument, both places.

	* cppmacro.c (quote_string): Rename cpp_quote_string and
	export.  All callers changed.
	* cpplib.h (cpp_quote_string): Prototype.
	* cppmain.c (print_line): Call cpp_quote_string on to_file
	before printing it.

	* doc/cpp.texi: Document that escapes are now interpreted in
	#line and in linemarkers, and that non-printing characters are
	converted to octal escapes when linemarkers are generated.

From-SVN: r50779
2002-03-14 18:17:18 +00:00
Neil Booth
0fef3fd0ea cpphash.h (struct spec_nodes): Remove n__CHAR_UNSIGNED__.
* 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
2002-02-02 18:56:37 +00:00
Neil Booth
5d8ebbd862 cpperror.c: Update comments and copyright.
* 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
2002-01-03 21:43:09 +00:00
Andreas Schwab
b7e30d8ad0 cppfiles.c (_cpp_pop_file_buffer): Change return type to bool and return true if...
* cppfiles.c (_cpp_pop_file_buffer): Change return type to bool
	and return true if _cpp_push_next_buffer pushed a new include
	file.
	* cpplib.c (_cpp_pop_buffer): Only call obstack_free if
	_cpp_pop_file_buffer did not push a new file.
	* cpphash.h (_cpp_pop_file_buffer): Update declaration.

From-SVN: r48507
2002-01-03 09:41:00 +00:00
Neil Booth
0abc6a6a4f cpphash.c (_cpp_init_hashtable): Update.
* 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
2001-11-27 22:31:34 +00:00
Neil Booth
480709cc6c cpphash.h (struct cpp_buffer): Delete read_ahead and extra_char.
* cpphash.h (struct cpp_buffer): Delete read_ahead and extra_char.
	* cpplex.c (lex_percent, lex_dot): Remove.
	(get_effective_char, skip_block_comment, skip_line_comment,
	parse_identifier_slow, parse_number, parse_string, save_comment,
	_cpp_lex_direct): Update to do lookback freely.
	(IF_NEXT_IS, BACKUP): New macros.
	* cpplib.c (cpp_push_buffer): Don't set read_ahead and extra_char.
	* cppmacro.c (paste_tokens): Update.

From-SVN: r46392
2001-10-21 14:04:42 +00:00
Neil Booth
644eddaac5 cpphash.h: Update comments.
* cpphash.h: Update comments.
	(cpp_context): Update.
	(spec_nodes): Remove n__Pragma.
	* cppinit.c (cpp_create_reader): Update.
	(builtin_array): Add _Pragma.
	* cpplib.h: Update comments.
	(NODE_DISABLED, BT_PRAGMA): New.
	(cpp_start_lookahead, cpp_stop_lookahead): Remove prototypes.
	* cppmacro.c (struct cpp_macro): Remove disabled.
	(builtin_macro): Return int, handle _Pragma, push the new token
	on the context stack.
	(funlike_invocation_p): Unconstify, update.
	(enter_macro_context): Handle builtins here.
	(replace_args, push_token_context, push_ptoken_context):
	Update for prototype changes.
	(_cpp_pop_context): Update.
	(cpp_get_token): Don't handle buitins, nor _Pragma here.
	(cpp_sys_macro_p): Update.
	(_cpp_free_definition): Clear disabled flag.
	(_cpp_create_definition): Upate.
	* cppmain.c: Update comments.

From-SVN: r45948
2001-10-02 12:57:24 +00:00
Neil Booth
8c3b269309 cpphash.h (POOL_ALIGN, [...]): Remove.
* cpphash.h (POOL_ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE,
	POOL_SIZE, POOL_ROOM, POOL_COMMIT, struct cpp_chunk,
	struct cpp_pool, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
	_cpp_pool_alloc, _cpp_next_chunk): Remove.
	(_cpp_extend_buff, BUFF_ROOM): Update.
	(_cpp_append_extend_buff): New.
	(struct cpp_reader): Remove macro_pool, add a_buff.
	* cppinit.c (cpp_create_reader): Initialize a_buff, instead of
	macro_pool.
	(cpp_destroy): Free a_buff instead of macro_pool.
	* cpplex.c (new_chunk, chunk_suitable, _cpp_next_chunk,
	new_chunk, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
	_cpp_pool_alloc, ): Remove.
	(parse_number, parse_string): Update use of _cpp_extend_buff.
	(_cpp_extend_buff): Update.
	(_cpp_append_extend_buff, cpp_aligned_alloc): New.
	* cpplib.c (glue_header_name, parse_answer):
	Update use of _cpp_extend_buff.
	(cpp_register_pragma, cpp_register_pragma_space): Use
	_cpp_aligned_alloc.
	(do_assert, do_unassert): Check for EOL, update.
	* cppmacro.c (stringify_arg, collect_args): Update to use
	_cpp_extend_buff and _cpp_append_extend_buff.
	(save_parameter, parse_params, alloc_expansion_token,
	_cpp_create_definition): Rework memory management.

	* gcc.dg/cpp/redef2.c: Add test.

From-SVN: r45899
2001-09-30 10:03:11 +00:00
Neil Booth
ece54d544d cpphash.h (struct cpp_buff): Make unsigned.
* cpphash.h (struct cpp_buff): Make unsigned.
	(_cpp_get_buff): Take length of size_t.
	(_cpp_unaligned_alloc): New.
	(BUFF_ROOM, BUFF_FRONT, BUFF_LIMIT): New.
	(struct cpp_reader): Remove ident_pool.  Add u_buff.
	* cppinit.c (cpp_create_reader): Initialize u_buff, not ident_pool.
	(cpp_destroy): Destroy u_buff, not ident_pool.
	* cpplex.c (parse_number, parse_string, save_comment,
	cpp_token_as_text): Update to use the unaligned buffer.
	(new_buff): Make unsigned.
	(_cpp_unaligned_alloc): New.
	* cpplib.c (glue_header_name): Update to use the unaligned buffer.
	* cppmacro.c (new_number_token, builtin_macro, stringify_arg):
	Similarly.
	(collect_args): Make unsigned.

From-SVN: r45858
2001-09-28 09:40:22 +00:00
Neil Booth
c9e7a60950 cpphash.h: Update comment.
* cpphash.h: Update comment.
	* cpplex.c: Update comments.
	(_cpp_can_paste): Remove.
	* cpplib.h (_cpp_can_paste): Remove.
	* cppmacro.c (paste_tokens, paste_all_tokens): Update to use the
	lexer rather than _cpp_can_paste.

From-SVN: r45840
2001-09-27 12:59:38 +00:00
Neil Booth
1e013d2ee5 cpphash.h (struct cpp_pool): Remove locks and locked.
* cpphash.h (struct cpp_pool): Remove locks and locked.
	(struct cpp_context): Add member buff.
	(struct cpp_reader): Remove member argument_pool.
	(_cpp_lock_pool, _cpp_unlock_pool): Remove.
	* cppinit.c (cpp_create_reader, cpp_destroy): Argument_pool is dead.
	* cpplex.c (chunk_suitable): Remove pool argument.
	(MIN_BUFF_SIZE, BUFF_SIZE_UPPER_BOUND, EXTENDED_BUFF_SIZE): New.
	(new_buff, _cpp_extend_buff): Update.
	(_cpp_get_buff): Fix silly pointer bug.  Be more selective about
	which buffer is returned.
	(_cpp_next_chunk, _cpp_init_pool): Pool locking removed.
	(_cpp_lock_pool, _cpp_unlock_pool): Remove.
	* cppmacro.c (lock_pools, unlock_pools): Remove.
	(push_ptoken_context): Take a _cpp_buff.
	(enter_macro_context): Pool locking removed.
	(replace_args): Use a _cpp_buff for the replacement list with
	arguments replaced.
	(push_token_context): Clear buff.
	(expand_arg): Use _cpp_pop_context.
	(_cpp_pop_context): Free a context's buffer, if any.

From-SVN: r45833
2001-09-26 21:44:35 +00:00
Neil Booth
b8af0ca5c7 cpphash.h (struct _cpp_buff, [...]): New.
* cpphash.h (struct _cpp_buff, _cpp_get_buff, _cpp_release_buff,
	_cpp_extend_buff, _cpp_free_buff): New.
	(struct cpp_reader): New member free_buffs.
	* cppinit.c (cpp_destroy): Free buffers.
	* cpplex.c (new_buff, _cpp_release_buff, _cpp_get_buff,
	_cpp_extend_buff, _cpp_free_buff): New.
	* cpplib.h (struct cpp_options): Remove unused member.
	* cppmacro.c (collect_args): New.  Combines the old parse_arg
	and parse_args.  Use _cpp_buff for memory allocation.
	(funlike_invocation_p, replace_args): Update.

From-SVN: r45827
2001-09-26 17:52:50 +00:00
Neil Booth
4ed5bcfb1e c-lex.c (cb_def_pragma): Update.
* c-lex.c (cb_def_pragma): Update.
	(c_lex): Update, and skip padding.
	* cppexp.c (lex, parse_defined): Update, remove unused variable.
	* cpphash.h (struct toklist): Delete.
	(union utoken): New.
	(struct cpp_context): Update.
	(struct cpp_reader): New members eof, avoid_paste.
	(_cpp_temp_token): New.
	* cppinit.c (cpp_create_reader): Update.
	* cpplex.c (_cpp_temp_token): New.
	(_cpp_lex_direct): Add PREV_WHITE when parsing args.
	(cpp_output_token): Don't print leading whitespace.
	(cpp_output_line): Update.
	* cpplib.c (glue_header_name, parse_include, get__Pragma_string,
	do_include_common, do_line, do_ident, do_pragma,
	do_pragma_dependency, _cpp_do__Pragma, parse_answer,
	parse_assertion): Update.
	(get_token_no_padding): New.
	* cpplib.h (CPP_PADDING): New.
	(AVOID_LPASTE): Delete.
	(struct cpp_token): New union member source.
	(cpp_get_token): Update.
	* cppmacro.c (macro_arg): Convert to use pointers to const tokens.
	(builtin_macro, paste_all_tokens, paste_tokens, funlike_invocation_p,
	replace_args, quote_string, stringify_arg, parse_arg, next_context,
	enter_macro_context, expand_arg, _cpp_pop_context, cpp_scan_nooutput,
	_cpp_backup_tokens, _cpp_create_definition): Update.
	(push_arg_context): Delete.
	(padding_token, push_token_context, push_ptoken_context): New.
	(make_string_token, make_number_token): Update, rename.
	(cpp_get_token): Update to handle tokens as pointers to const,
	and insert padding appropriately.
	* cppmain.c (struct printer): New member prev.
	(check_multiline_token): Constify.
	(do_preprocessing, cb_line_change): Update.
	(scan_translation_unit): Update to handle spacing.
	* scan-decls.c (get_a_token): New.
	(skip_to_closing_brace, scan_decls): Update.
	* fix-header.c (read_scan_file): Update.

	* doc/cpp.texi: Update.

	* gcc.dg/cpp/macro10.c: New test.
	* gcc.dg/cpp/strify3.c: New test.
	* gcc.dg/cpp/spacing1.c: Add tests.
	* gcc.dg/cpp/19990703-1.c: Remove bogus test.
	* gcc.dg/cpp/20000625-2.c: Fudge to pass.

From-SVN: r45793
2001-09-24 22:53:12 +00:00
Neil Booth
14baae01f6 cpphash.h (_cpp_lex_direct): New.
* cpphash.h (_cpp_lex_direct): New.
	* cpplex.c (_cpp_lex_token): Update.
	(lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
	and increment that pointer.
	* cppmacro.c (alloc_expansion_token): New.
	(lex_expansion_token): Lex macro expansion directly into
	macro storage.

From-SVN: r45656
2001-09-17 18:26:12 +00:00
Neil Booth
345894b43f cpphash.h (_cpp_lex_token): Update prototype.
* cpphash.h (_cpp_lex_token): Update prototype.
	* cpplex.c (_cpp_lex_token): New prototype.
	* cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
	lex_macro_node, read_flag, do_pragma_poison): Update.
	* cppmacro.c (cpp_get_token, parse_params,
	lex_expansion_token): Update.

From-SVN: r45646
2001-09-16 13:44:29 +00:00
Neil Booth
5041042620 cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
* cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
	Split mlstring_pos into mls_line and mls_col.
	* cppinit.c (cpp_create_reader): Initialize line to 1.
	(cpp_destroy): Free tokenruns.
	(push_include): Don't update lexer_pos.
	* cpplex.c (unterminated, parse_string): Update.
	(lex_token): Don't update lexer_pos, update.
	* cpplib.c (if_stack): Save line instead of line + col.
	(start_directive, _cpp_do__Pragma, do_else, do_elif,
	push_conditional, _cpp_pop_buffer): Update.
	* cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
	(_cpp_create_definition): Update.

From-SVN: r45627
2001-09-15 10:18:03 +00:00
Neil Booth
9729389786 cpperror.c (print_location): Take line and column, for default positioning use the previously lexed token.
* cpperror.c (print_location): Take line and column, for
	default positioning use the previously lexed token.
	(_cpp_begin_message): Take line and column.
	(cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
	cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
	* cpphash.h (_cpp_begin_message): Update prototype.
	* cppinit.c (push_include): Don't set output line.
	* cpplex.c (_cpp_lex_token): Callback for start of new output lines.
	* cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
	(do_pragma): Kludge for front ends.  Don't expand macros at all.
	* cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
	(struct cpp_token): Remove output_line.
	(struct cpp_callbacks): New member line_change.
	* cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
	cpp_get_token): Preserve BOL flag.
	(cpp_get_line): Remove.
	(_cpp_backup_tokens): Remove useless abort().
	* cppmain.c (cb_line_change): New.
	(scan_translation_unit): Don't worry about starting new lines here.
	* scan-decls.c (scan_decls): Update.
	* c-lex.c (c_lex, init_c_lex): Update.
	(cb_line_change, src_lineno): New.

From-SVN: r45613
2001-09-14 22:04:46 +00:00
Neil Booth
bdcbe49686 c-parse.in (_yylex): Use _cpp_backup_tokens.
* c-parse.in (_yylex): Use _cpp_backup_tokens.
	* cpphash.h (struct tokenrun): Add prev.
	(struct lexer_state): Remove bol.
	(struct cpp_reader): Remove old lookahead stuff, add lookaheads.
	(_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
	: Remove.
	* cppinit.c (cpp_create_reader): Don't set bol.
	(cpp_destroy): Don't free lookaheads.
	* cpplex.c (lex_directive): Remove.
	(next_tokenrun): Update.
	(_cpp_lex_token): Clean up logic.
	(lex_token): Update to return a pointer to lexed token, since it
	can move to the start of the buffer.  Simpify newline handling.
	* cpplib.c (SEEN_EOL): Update.
	(skip_rest_of_line): Remove lookahead stuff.
	(end_directive): Line numbers are already incremented.  Revert
	to start of lexed token buffer if we can.
	(_cpp_handle_directive, do_pragma, do_pragma_dependency,
	parse_answer): Use _cpp_backup_tokens.
	(run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
	instead.  Don't check for EOL.
	(do_include_common, do_line, do_pragma_system_header): Use
	skip_rest_of_line.
	* cpplib.h (BOL, _cpp_backup_tokens): New.
	* cppmacro.c (save_lookahead_token, take_lookahead_token,
	alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
	cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
	(builtin_macro): Don't use cpp_get_line.
	(cpp_get_line): Short term kludge.
	(parse_arg): Handle directives in arguments here.  Back up when
	appropriate.  Store EOF at end of argument list.
	(funlike_invocation_p): Use _cpp_backup_tokens.
	(push_arg_context): Account for EOF at end of list.
	(cpp_get_token): Remove lookahead stuff.  Update.

	* gcc.dg/cpp/directiv.c: Update.
	* gcc.dg/cpp/undef1.c: Update.

From-SVN: r45582
2001-09-13 20:05:17 +00:00
Neil Booth
5fddcffc8a cpphash.h (struct tokenrun): New.
* cpphash.h (struct tokenrun): New.
	(struct cpp_context): New member bol.
	(struct cpp_reader): New members.
	(_cpp_init_tokenrun): New.
	* cppinit.c (cpp_create_reader): Set up the token runs.
	* cpplex.c (lex_directive, lex_token, next_tokenrun): New.
	(lex_token): New internalised version of _cpp_lex_token.  Don't
	handle directives or the multiple include opimisation here any
	more.  Simply lex a token.
	* cpplib.c (run_directive): Clear bol.
	(_cpp_pop_buffer): Set bol.
	* cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
	arguments.

From-SVN: r45534
2001-09-11 07:00:12 +00:00