* cppinit.c (cpp_read_main_file): Split into two functions:
Distribute _cpp_stack_file call over the two functions.
(cpp_find_main_file): New function.
Don't call _cpp_do_file_change even if working_directory flag set.
(cpp_push_main_file): New function.
* cppfiles.c (_cpp_find_failed): New helper function.
(find_file): Made non-static and renamed to _cpp_find_file.
(_cpp_stack_file): No longer needed. But note the following.
(stack_file): Made non-static and renamed to _cpp_stack_file.
* fix-header.c (cpp_read_main_file): Replace cpp_read_main_file
call with calls to cpp_find_main_file and cpp_push_main_file.
(search_path_head): If there is no current buffer, use main_file.
* cpphash.h: Update function declarations.
* cpplib.h: Update function declarations.
From-SVN: r72014
* cppinit.c (cpp_read_main_file): Split out source-independent
initialization to separate function ...
(cpp_post_options): New function.
* cppfiles.c (cpp_stack_file): Rename public name to ...
(_cpp_stack_file): New internal function name.
* cpplib.h: Update accordingly.
* cppinit.c: (cpp_create_reader): Initialize cpp_readers line here.
(cpp_read_main_file): Don't initialize line here.
* c-opts.c (c_common_post_options): Call cpp_post_options.
(c_common_parse_file): Call cpp_read_main_file, not cpp_stack_file.
* fix-header.c (read_scan_file): Call cpp_post_options.
From-SVN: r70279
* Makefile.in: Refine dependencies.
* c-opts.c (c_common_handle_option): Do nothing for -Wimport.
* c.opt: Update help for -Wimport.
* cppfiles.c: Include hashtab.h. Update comments.
(stack_file): Read the file before updating dependencies.
(once_only_file_p): Be smarter about marking once-only files.
(_cpp_mark_file_once_only): Correct the check for existence on
the list.
(open_file_failed): Use name not path, which is NULL.
* cpphash.h: Don't include hashtab.h.
(struct _cpp_file): Remove.
(struct cpp_reader): Update.
* cppinit.c (cpp_create_reader): Don't initialize warn_import.
* cpplib.h (struct cpp_options): Remove warn_import.
(cpp_simplify_path): Remove.
From-SVN: r70045
* cpplib.h (CPP_AT_NAME, CPP_OBJC_STRING): New token types.
(struct cpp_options): Add narrow_charset, wide_charset,
bytes_big_endian fields. Remove EBCDIC field.
(cpp_init_iconv, cpp_interpret_string): New external interfaces.
* cpphash.h: Include <iconv.h> if we have it, otherwise
provide a dummy definition of iconv_t.
(struct cpp_reader): Add narrow_cset_desc and wide_cset_desc fields.
(_cpp_valid_ucn): Update prototype.
(_cpp_destroy_iconv): New prototype.
* doc/cpp.texi: Document character set handling.
* doc/cppopts.texi: Document -fexec-charset= and -fexec-wide-charset=.
* doc/extend.texi: Delete entire section on multiline strings.
Rewrite section on __FUNCTION__ etc now that these are
variables in C.
* cppucnid.tab, cppucnid.pl: New files.
* cppucnid.h: New generated file.
* cppcharset.c: Include cppucnid.h. Lots of commentary added.
(iconv_open, iconv, iconv_close): Provide dummy definitions
if !HAVE_ICONV.
(SOURCE_CHARSET, struct strbuf, init_iconv_desc, cpp_init_iconv,
_cpp_destroy_iconv, convert_cset, width_to_mask, convert_ucn,
emit_numeric_escape, convert_hex, convert_oct, convert_escape,
cpp_interpret_string, narrow_str_to_charconst,
wide_str_to_charconst): New.
(ucn_valid_in_identifier): Use a binary search through the
ucnranges table defined in cppucnid.h, not a long chain of if
statements.
(_cpp_valid_ucn): Add a limit pointer. Downgrade "universal
character names are only valid in C++ and C99" to a warning.
Issue the "meaning of \[uU] is different in traditional C"
warning here. Take care not to let iconv see an invalid UCS
value if we get a malformed UCN. Issue an error if we don't
have iconv.
(cpp_interpret_charconst): Moved here from cpplex.c. Use
cpp_interpret_string to do the heavy lifting.
* cppinit.c (cpp_create_reader): Initialize bytes_big_endian,
narrow_charset, wide_charset fields of options structure.
(cpp_destroy): Call _cpp_destroy_iconv.
* cpplex.c (forms_identifier_p): Adjust call to _cpp_valid_ucn.
(maybe_read_ucn, hex_digit_value, cpp_parse_escape): Delete.
(cpp_interpret_charconst): Moved to cppcharset.c.
* cpplib.c (dequote_string): Delete.
(interpret_string_notranslate): New.
(do_line, do_linemarker): Use interpret_string_notranslate.
* Makefile.in (cppcharset.o): Depend on cppucnid.h.
* c-common.c (fname_string, combine_strings): Delete.
* c-common.h (fname_string, combine_strings): Delete prototypes.
* c-lex.c (ignore_escape_flag): Delete.
(cb_ident): Use cpp_interpret_string, not lex_string.
(get_nonpadding_token): New function.
(c_lex): Handle Objective-C @-prefixed identifiers and strings here.
Adjust calls to lex_string. Don't write *value twice.
(lex_string): Now handles string constant concatenation.
Most of the work handed off to cpp_interpret_string.
Call fix_string_type here.
* c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): Replace with
FUNC_NAME, throughout.
(OBJC_STRING): New token type.
(primary:STRING): No need to call fix_string_type here.
(primary:objc_string): Make that OBJC_STRING.
(objc_string nonterminal): Delete.
(yylexname): Delete code to handle fake string constants.
(yylexstring): Delete entirely.
(_yylex): Handle CPP_AT_NAME and CPP_OBJC_STRING. No need
to handle CPP_ATSIGN.
* c.opt (-fexec-charset=, -fwide-exec-charset=): New options.
* c-opts.c (missing_arg, c_common_handle_option): Handle
OPT_fexec_charset_ and OPT_fwide_exec_charset_.
(c_common_init): Set cpp_opts->bytes_big_endian, not
cpp_opts->EBCDIC. Call cpp_init_iconv.
(print_help): Document -fexec-charset= and -fexec-wide-charset=.
(TARGET_EBCDIC): Delete default definition.
* objc/objc-act.c (build_objc_string_object): No need to
handle string constant concatenation.
cp:
* parser.c (cp_lexer_read_token): No need to handle string
constant concatenation.
testsuite:
* gcc.c-torture/execute/wchar_t-1.x: New file; XFAIL wchar_t-1.c
everywhere.
* gcc.dg/concat.c: Concatenation of string constants with
__FUNCTION__ / __PRETTY_FUNCTION__ is now a hard error.
* gcc.dg/wtr-strcat-1.c: Loosen dg-warning regexp.
* gcc.dg/cpp/escape-2.c: Use wide character constants where
necessary to avoid multi-character character constant warning.
* gcc.dg/cpp/escape.c: Likewise.
* gcc.dg/cpp/ucs.c: Likewise.
Remove backslashes from dg-bogus comments, as they confuse Tcl.
Fix a typo.
libstdc++-v3:
* testsuite/22_locale/collate/compare/wchar_t/2.cc
* testsuite/22_locale/collate/compare/wchar_t/wrapped_env.cc
* testsuite/22_locale/collate/compare/wchar_t/wrapped_locale.cc
* testsuite/22_locale/collate/hash/wchar_t/2.cc
* testsuite/22_locale/collate/hash/wchar_t/wrapped_env.cc
* testsuite/22_locale/collate/hash/wchar_t/wrapped_locale.cc
* testsuite/22_locale/collate/transform/wchar_t/2.cc
* testsuite/22_locale/collate/transform/wchar_t/wrapped_env.cc
* testsuite/22_locale/collate/transform/wchar_t/wrapped_locale.cc:
XFAIL on all targets.
From-SVN: r68952
* cppfiles.c, cpphash.c, cppinit.c, cpplex.c, cpplib.c
* cppmacro.c, cpppch.c, cpptrad.c, cppspec.c: Convert to
ISO C: new-style function declarations, no need for PARAMS,
no special punctuation on indirect function calls, use string
constant concatenation where convenient.
From-SVN: r68070
e.g. __REGISTER_PREFIX__.
* cpphash.h (struct cpp_reader): Move member warn_dollars...
* cpplib.h (struct cpp_options): ...to here. Change type to
unsigned char.
* cppinit.c (cpp_create_reader): Set it to 1 here.
(post_options): Don't set it here.
* c-opts.c (c_common_init_options): Reset it to 0 here.
(finish_options): Set it here.
* cpplex.c (forms_identifier_p): Tweak for new location of
warn_dollars.
From-SVN: r67824
* cppinit.c (cpp_create_reader): Take extra hash_table* argument,
and pass that to _cpp_init_hashtable.
(cpp_read_main_file): Drop hash_table* argument; don't call
_cpp_init_hashtable.
* cpplib.h: Update declarations to match.
* c-opts.c (c_common_init_options): Pass ident_hash to
cpp_create_reader.
(c_common_post_options): Don't pass ident_hash to cpp_read_main_file.
* fix-header.c (read_scan_file): Likewise pass NULL table to
cpp_create_reader rather than cpp_read_main_file.
* cppfiles.c (cpp_rename_file): Generalized and renamed
to cpp_change_file.
* cpplib.h: Update declaration to match.
* c-opts.c (push_command_line_line, finish_options): Change
cpp_rename_file calls to cpp_change_file.
From-SVN: r64617
* Makefile.in (PREPROCESSOR_DEFINES): Add
@TARGET_SYSTEM_ROOT_DEFINE@.
* configure.in (PREFIX_INCLUDE_DIR): Don't define if $with_sysroot
is specified or if building a cross compiler.
(TARGET_SYSTEM_ROOT_DEFINE): Add TARGET_SYSTEM_ROOT_RELOCATABLE
if the sysroot is under $exec_prefix.
* configure: Regenerated.
* cppdefault.h: Use native include paths if TARGET_SYSTEM_ROOT is
defined.
(struct default_include): Add add_sysroot field.
(cpp_SYSROOT): Declare.
* cppdefault.c (cpp_include_defaults): Fill in add_sysroot
field.
(cpp_SYSROOT): New variable.
* cppinit.c (cpp_create_reader): Initialize
CPP_OPTION (pfile, sysroot).
(init_standard_includes): Handle add_sysroot. Do not
add unrelocated copies of relocated directories.
(COMMAND_LINE_OPTIONS): Add -isysroot.
(cpp_handle_option): Handle -isysroot.
* cpplib.h (struct cpp_options): Add sysroot member.
* gcc.c (The Specs Language): Update description of %I.
(target_system_root_changed): New variable.
(process_command): Conditionalize make_relative_prefix call
on !VMS and TARGET_SYSTEM_ROOT_RELOCATABLE. Set
target_system_root_changed.
(do_spec_1): Add -isysroot to %I.
* doc/invoke.texi (Spec Files): Update description of %I.
* doc/install.texi (--with-sysroot): Update comment about
relocation.
From-SVN: r62853
* cpplib.h (struct cpp_options): Add warn_deprecated field.
* cppinit.c (cpp_create_reader): Turn it on by default.
* c-opts.c (c_common_decode_option): Set it.
* cpplib.c (do_pragma_once): Only complain about #pragma once
if warn_deprecated is set.
From-SVN: r62005
* 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
