* cppinit.c (remove_dup_dir): Add head_ptr argument to handle removal
at head.
(remove_dup_nonsys_dirs): New function.
(remove_dup_dirs): Change argument head to head_ptr. Remove warnings.
(merge_include_chains): Remove non-system include directories from
quote and bracket include chains when they duplicate equivalent system
directories.
* doc/cpp.texi (-I): Update.
* doc/cppopts.texi (-I): Update.
* doc/install.texi (--with-local-prefix): Further document usage of
this option.
* doc/invoke.texi (-I): Update.
From-SVN: r56468
* Makefile.in (c-opts.o): Update
* c-opts.c: Include intl.h.
(print_help): Move from cppinit.c. Remove unused options.
(COMMAND_LINE_OPTIONS): Move more from cppinit.c.
(missing_arg): Complain for switches without an argument.
(c_common_decode_option): Reject missing joined arguments.
Handle new switches from cppinit.c.
* cppinit.c (COMMAND_LINE_OPTIONS): Move some switches to c-opts.c.
(cpp_handle_option): Similarly.
(print_help): Moved to c-opts.c.
* cpplib.h (struct cpp_options): Remove help_only.
* gcc.c (cpp_unique_options): Remove -$.
* doc/cppopts.texi: Undocument -h.
From-SVN: r56155
* cppinit.c (struct lang_flags): Rename trigraphs std.
(set_lang): Update.
* cpplib.h (struct cpp_options): New member std.
* cppmacro.c (_cpp_builtin_macro_text): Use std.
(collect_args): Flag whether to swallow a possible future
comma pasted with varargs.
(replace_args): Use this flag.
* doc/cpp.texi: Update varargs extension documentation.
testsuite:
* gcc.dg/cpp/vararg3.c, gcc.dg/cpp/vararg4.c: New tests.
From-SVN: r56077
* c-common.c (c_common_init): -Wtraditional also implies -Wlong-long.
* cppinit.c (cpp_post_options): Likewise.
* cppexp.c (cpp_classify_number): Suppress -Wtraditional
warning about 'LL' suffix (but not 'ULL' etc) when
-Wno-long-long is in effect.
* cppmacro.c (_cpp_builtin_macro_text) [BT_TIME, BT_DATE]:
Check for failing time()/localtime(), issue a warning, and
make __TIME__ and __DATE__ expand to fallback strings.
* doc/cpp.texi, doc/extend.texi: Document behavior of __DATE__
and __TIME__ when the date and time cannot be determined.
From-SVN: r55969
* 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
* 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
* 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
* cppinit.c (COMMAND_LINE_OPTIONS): Give all relevant -W
options their own entries.
(parse_option): Clarify comment.
(cpp_handle_option): Remove 'ignore' parameter and OPT_W
special case. Replace if/strcmp chain for -W options with
use of new OPT_* entries for them.
(cpp_handle_options): Update to match.
* cpplib.h: Remove last parameter to cpp_handle_option from prototype.
* c-decl.c, cp/decl2.c: Update call to cpp_handle_option.
From-SVN: r54352
* cppinit.c (mark_named_operators): Split out from init_builtins.
(cpp_finish_options): Call it from here instead.
testsuite:
* gcc.dg/cpp/named_ops.c: New test.
From-SVN: r53803
* 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
* cppinit.c (struct builtin): Remove unused fields.
(CPLUS, BUILTIN, OPERATOR, O, builtin_array_end): Kill.
(operator_array): New - was second half of builtin_array.
(init_builtins): Simplify loop over builtin_array/operator_array.
From-SVN: r53574
* 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
* c-common.c (c_common_init_options): Use C89 for Objective-C,
and set the options flag.
* cppinit.c (lang_flags): Remove objc.
(lang_defaults): Remove OBJC and OBJCXX.
(set_lang): Update.
(COMMAND_LINE_OPTIONS): Remove -+ and -lang-objc++.
(cpp_handle_option): Remove -+ and -lang-objc++.
For ObjC, just set a flag.
(print_help): Update.
* cpplib.h (enum c_lang): Remove CLK_OBJC and CLK_OBJCXX.
From-SVN: r53566
* c-common.c (STDC_0_IN_SYSTEM_HEADERS, REGISTER_PREFIX):
Default-define here.
(builtin_define_with_value): Can now wrap the expansion in
quotation marks if such is wanted.
(cb_register_builtins): Update calls to builtin_define_with_value.
Define __REGISTER_PREFIX__, __USER_LABEL_PREFIX__, and __VERSION__
here.
(c_common_init): Set options->stdc_0_in_system_headers.
* c-lex.h: Update prototype of builtin_define_with_value.
* cppdefault.h: Remove default definitions of USER_LABEL_PREFIX
and REGISTER_PREFIX.
* cppinit.c (VERS, ULP, C, X): Kill.
(builtin_array): Remove entries for __VERSION__,
__USER_LABEL_PREFIX__, __REGISTER_PREFIX__, and
__HAVE_BUILTIN_SETJMP__. Make __STDC__ always a builtin, not
a constant.
(init_builtins): Kill off a bunch of now-dead code.
(COMMAND_LINE_OPTIONS): Remove -fleading-underscore and
-fno-leading-underscore.
(cpp_handle_option): Remove code to set user_label_prefix.
(cpp_post_options): Likewise.
* cpplib.h (struct cpp_options): Remove user_label_prefix.
(stdc_0_in_system_headers): New.
* cppmacro.c (builtin_macro): Check CPP_OPTION (pfile,
stdc_0_in_system_headers) too to decide the value of __STDC__.
* tradcpp.c (user_label_prefix): Kill.
(main): Remove code handling -f(no-)leading-underscore.
(initialize_builtins): Don't define __REGISTER_PREFIX__
or __USER_LABEL_PREFIX__.
(install_value): Wrap compound statement in dummy loop so the
macro works properly in an if statement.
From-SVN: r53525
* c-parse.in (MODIFIED_WCHAR_TYPE): New macro.
(c_common_nodes_and_builtins): Use it.
(builtin_define_with_value): New function.
(cb_register_builtins): Define __SIZE_TYPE__,
__PTRDIFF_TYPE__, __WCHAR_TYPE__, and __WINT_TYPE__ here,
using builtin_define_with_value. Use consistent notation when
defining __GXX_WEAK__.
(WCHAR_TYPE_SIZE): Don't redefine.
(combine_strings): Don't use WCHAR_TYPE_SIZE.
* cppdefault.h: Don't provide defaults for SIZE_TYPE,
PTRDIFF_TYPE, WCHAR_TYPE, or WINT_TYPE.
* cppinit.c (builtin_array): Remove entries for __SIZE_TYPE__ etc.
* tradcpp.c (initialize_builtins): Likewise.
* gcc.c (cpp_unique_options): Don't muck with __WCHAR_TYPE__.
* c-lex.h (builtin_define_with_value): Prototype.
* system.h: Poison NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_WCHAR_TYPE,
NO_BUILTIN_PTRDIFF_TYPE, and NO_BUILTIN_WINT_TYPE.
* doc/tm.texi: Remove mention of NO_BUILTIN_SIZE_TYPE etc.
* config/avr/avr.h, config/h8300/h8300.h, config/i386/i386.h,
config/ia64/ia64.h, config/mips/dec-osf1.h, config/mips/iris6.h,
config/mips/linux.h, config/mips/mips.h, config/mips/netbsd.h,
config/mips/osfrose.h, config/mips/sni-svr4.h, config/rs6000/aix51.h,
config/s390/linux.h, config/sh/sh.h, config/sh/sh64.h,
config/sparc/linux64.h, config/sparc/netbsd-elf.h,
config/sparc/sol2-bi.h, config/sparc/sparc.h:
Do not define NO_BUILTIN_SIZE_TYPE etc. Remove all references
to __SIZE_TYPE__ etc from all spec strings. When this makes
extra specs empty, delete them.
From-SVN: r53472
* cppinit.c (MAX_WCHAR_TYPE_SIZE): Move to cpplib.h
(cpp_post_options): Move sanity checks to...
(sanity_checks): New.
* cpplex.c (maybe_read_ucs): Fix prototype.
(parse_string, cpp_parse_escape): Cast for %c format specifier.
* cpplib.h (cppchar_t): Use unsigned long or unsigned long long
if necessary.
From-SVN: r53163
* 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
* cppinit.c (cpp_handle_option) [-dM]: Don't set no_output here...
(cpp_post_options): ...but here. Disable -dD, -dN and -dI when
-M -or -MM is in effect.
From-SVN: r53013
