* 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
* cpplib.c (end_directive): Handle line skipping. Only remove
the rest of the line if the directive was valid.
* cppmacro.c (_cpp_push_text_context): Set NODE_DISABLED when
expanding a traditional macro.
* cpptrad.c (recursive_macro): New.
(read_logical_line_trad): Handle skipping.
(scan_out_logical_line): Continue after a successful directive.
Don't expand macros whilst skipping, or if recursing.
(_cpp_create_trad_definition): scan_out_logical_line now sets
the output current position.
From-SVN: r54573
* 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
* 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
* 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
* cppinit.c (cpp_create_reader): Initialize
discard_comments_in_macro_exp.
(COMMAND_LINE_OPTIONS): Add "-CC" option.
(cpp_handle_option): Handle "-CC" option.
* cpplex.c (save_comment): If saving a C++ comment in
a directive, convert it to a C comment.
(_cpp_lex_direct): Pass second comment start character to
save_comment to indicate comment type.
* cpplib.c (_cpp_handle_directive): If processing
a "#define" directive and discard_comments_in_macro_exp
is false, re-enable saving of comments.
(lex_macro_node): If discard_comments_in_macro_exp is false,
discard any comments before the macro identifier.
* cpplib.h (struct cpp_options): Add discard_comments_in_macro_exp
member.
* cppmacro.c (cpp_get_token): If expanding a macro while
processing a directive, discard any comments we might encounter.
(parse_params): If discard_comments_in_macro_exp is false,
ignore comments in the macro parameter list.
* gcc.c (cpp_unique_options): Add "-CC" option.
(option_map): Map "--comments-in-macros" to "-CC".
* doc/cppopts.texi: Document "-CC" option.
* f/lang-specs.h: Add "-CC" option.
* testsuite/gcc.dg/cpp/maccom1.c: New test.
* testsuite/gcc.dg/cpp/maccom2.c: New test.
* testsuite/gcc.dg/cpp/maccom3.c: New test.
* testsuite/gcc.dg/cpp/maccom4.c: New test.
* testsuite/gcc.dg/cpp/maccom5.c: New test.
* testsuite/gcc.dg/cpp/maccom6.c: New test.
From-SVN: r51975
* cppmacro.c (cpp_macro_definition): Emit a space after the macro
name, even if the replacement list contains no tokens, as required
by Dwarf.
From-SVN: r51045
* 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
* c-common.c, c-common.h, c-decl.c, c-lex.c, c-parse.in,
c-tree.h, c-typeck.c, cppexp.c, cpplex.c, cpplib.c, cpplib.h,
cppmacro.c, objc/lang-specs.h, objc/objc-act.c,
builtin-types.def, builtins.def, dwarf2out.c, dwarfout.c,
gcc.c, toplev.c: Delete code implementing -traditional mode.
* ada/misc.c, ch/ch-tree.h, ch/decl.c, cp/decl2.c, f/com.c,
f/lex.c, f/top.c, java/builtins.c, java/decl.c: Delete
traditional-mode-related code copied from the C front end
but not used, or used only to permit the compiler to link.
* doc/bugreport.texi, doc/cpp.texi, doc/extend.texi,
doc/invoke.texi, doc/standards.texi, doc/trouble.texi:
Document removal of -traditional mode for compilation, and
remove documentation only relevant to that mode.
* config/nextstep.h, config/ptx4.h, config/svr4.h,
config/convex/convex.h, config/d30v/d30v.h,
config/i386/dgux.h, config/i386/osf1elf.h,
config/i386/osfelf.h, config/i386/osfrose.h,
config/i386/sco5.h, config/i386/sol2.h, config/m68k/a-ux.h,
config/m68k/hp310.h, config/m88k/dgux.h,
config/m88k/dguxbcs.h, config/m88k/luna.h, config/m88k/m88k.c,
config/m88k/m88k.h, config/m88k/openbsd.h,
config/mips/abi64.h, config/mips/osfrose.h,
config/mips/svr4-5.h, config/mips/svr4-t.h,
config/sparc/sol2-sld-64.h, config/sparc/sol2.h,
config/stormy16/stormy16.h: Remove all references to
-traditional from target specs. Delete all mention of the
no-longer-necessary TRADITIONAL_RETURN_FLOAT macro. Also
delete a couple of commented-out definitions of
DOLLARS_IN_IDENTIFIERS, with (incorrect) commentary referring
to -traditional.
* system.h: Poison TRADITIONAL_RETURN_FLOAT.
* doc/tm.texi: Remove mention of TRADITIONAL_RETURN_FLOAT macro.
* testsuite/gcc.c-torture/execute/920730-1t.c,
testsuite/gcc.c-torture/execute/920730-1t.x,
testsuite/gcc.dg/ext-glob.c: Delete test cases, only relevant
to -traditional.
From-SVN: r50110
* cpplex.c (_cpp_lex_token): Handle directives in macro
arguments.
* cpplib.c (_cpp_handle_directive): Save and restore state
if parsing macro args when entering a directive.
* cppmacro.c (collect_args): No need to handle directives
in macro arguments.
(enter_macro_context, replace_args): Use the original macro
definition in case it was redefined whilst collecting arguments.
doc:
* cpp.texi: Update.
testsuite:
* gcc.dg/cpp/undef1.c: Remove.
* gcc.dg/cpp/directiv.c: Update.
* gcc.dg/cpp/mac-dir-1.c, mac-dir-2.c: New tests.
From-SVN: r50091
* cppmacro.c (_cpp_backup_tokens): Revert previous check-in.
Don't fall off the base token run.
* gcc.dg/cpp/fpreprocessed.c: New test case.
From-SVN: r47182
* cppmacro.c (funlike_invocation_p): Move some logic to caller
in enter_macro_context. Create a padding token in its own context
if necessary when the search for '(' fails.
(enter_macro_context): Update.
* gcc.dg/cpp/spacing1.c: Update test.
From-SVN: r46070
* 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
