Commit Graph

214 Commits

Author SHA1 Message Date
Neil Booth
ad2a084dbd c-lex.c: Move main_input_filename handling to FC_ENTER.
* c-lex.c: Move main_input_filename handling to FC_ENTER. Clean up.
        * cpperror.c (print_containing_files): Get right line number.
        (print_location): Output column of 1 if 0.
        * cppfiles.c (stack_include_file): cpp_push_buffer handles
        the callback.
        * cpphash.h (_cpp_do_file_change): No longer external.
        * cpplib.c (do_file_change): Now local to cpplib.c.
        (do_line): Fake a buffer stack for preprocessed files.
        (cpp_push_buffer): Create a file_change callback.  Handle faked
        buffers.
        (cpp_pop_buffer): Similarly.
        * cpplib.h: BUF_FAKE: New buffer type.
        * cppmain.c: Update to handle correct file renaming where a
        #line is the first line of the main file, and produce only
        the renamed file, not the original file, as output.

From-SVN: r38319
2000-12-17 00:13:54 +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
Neil Booth
0bda476066 cpperror.c (print_location): New function.
* cpperror.c (print_location): New function.
        (print_containing_files): Simplify.
        (_cpp_begin_message): Simplify and use print_location.
        * cppfiles.c (stack_include_file): Update.
        (_cpp_pop_file_buffer): Update.
        * cpphash.h (struct cpp_buffer): New members
        include_stack_listed and type.
        * cpplib.c (_cpp_handle_directive): Buffer->inc is not null.
        (run_directive): Take buffer type.  cpp_push_buffer cannot fail.
        (_cpp_do__Pragma, cpp_define, _cpp_define_builtin, cpp_undef,
        handle_assertion): Update.
        (cpp_push_buffer): Take a buffer type and file name.
        (cpp_pop_buffer): Update.  Clear include_stack_listed.
        * cpplib.h (input_stack_listing_current): Remove.
        (enum cpp_buffer_type): New.
        (cpp_push_buffer): New prototype.
        * cppmacro.c (builtin_macro): Simplify; buffer cannot be null.
        * fix-header.c (read_scan_file): Update.

From-SVN: r38186
2000-12-11 07:45:16 +00:00
Neil Booth
642ce43464 cppfiles.c (struct include_file): Move from cpphash.h.
* cppfiles.c (struct include_file): Move from cpphash.h.
        (_cpp_never_reread): New function.
        (open_file, read_include_file): Use it.
        (stack_include_file): Set the buffer's sysp according to the
        path in which the file was found.
        (find_include_file): Don't set sysp.
        (cpp_make_system_header, actual_directory): Update.
        (_cpp_execute_include): Do #include_next lookup handling here,
        not in cpplib.c.  Use _cpp_never_reread.
        * cpphash.h (struct_include_file): Remove.
        (struct cpp_buffer): New member sysp.
        (CPP_IN_SYSTEM_HEADER, _cpp_execute_include): Update.
        (_cpp_never_reread): New.
        * cpplib.c (read_line_number): Rename read_flag.  Rework slightly.
        (end_directive): Clear line_extension flag.
        (_cpp_handle_directive): Set line_extension flag for #number.
        (do_include_next): Handle path lookup in _cpp_execute_include.
        (do_line): Cleanup to use read_flag.  Don't allow flags in #line.
        (_cpp_do_file_change): Update.
        (do_pragma_once): Use cpp_never_reread.  Clean up.
        * cpplib.h (struct lexer_state): New member line_extension.

From-SVN: r38120
2000-12-07 23:17:56 +00:00
Rodney Brown
2398fb2aea osf.h: Standarize copyright statement.
* config/alpha/osf.h: Standarize copyright statement.
	* config/arc/arc.h: Likewise.
	* config/arm/elf.h config/arm/coff.h config/arm/aout.h: Likewise.
	* config/arm/arm.c config/arm/arm.h: Likewise.
	* config/elxsi/elxsi.h: Likewise.
	* config/i386/sco.h: Likewise.
	* config/m68k/crds.h config/m68k/hp320.h config/m68k/lynx.h: Likewise.
	* config/m68k/m68kv4.h config/m68k/next21.h: Likewise.
	* config/m68k/sun3.h: Likewise.
	* config/m88k/dgux.h config/m88k/dguxbcs.h: Likewise.
	* config/pdp11/2bsd.h config/pdp11/pdp11.h: Likewise.
	* config/romp/romp.h: Likewise.
	* config/rs6000/aix41.h: Likewise.
	* config/sparc/sysv4.h: Likewise.
	* config/we32k/we32k.c config/we32k/we32k.h: Likewise.
	* fixinc/gnu-regex.c fixinc/gnu-regex.h: Likewise.
	* cpplib.h cppexp.c cselib.h profile.c: Likewise.
	* longlong.h: Likewise.
	* libgcc2.c: Likewise.

From-SVN: r38088
2000-12-06 18:58:25 -07:00
Neil Booth
3cf3593fad cppfiles.c (stack_include_file): Push zero-length buffers in case of failure.
* cppfiles.c (stack_include_file): Push zero-length buffers
        in case of failure.  Return void, as we don't fail any more.
        (read_include_file): Check for files we shouldn't re-read.
        Don't return an error code; errors are implied by marking the
        file NEVER_REREAD.
        (_cpp_execute_include): Move the recursion and in-macro checks
        here.  Update for stack_include_file not failing.
        * cpplib.c (cpp_push_buffer): Always succeed, since
        _cpp_execute_include performs the recursion check.  Tidy up.
        * cpplib.h (cpp_push_buffer): Update prototype.

From-SVN: r38057
2000-12-05 23:42:43 +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
27e2564ac8 c-lex.c (cb_enter_file, [...]): Combine into the new function cb_change_file.
* c-lex.c (cb_enter_file, cb_leave_file, cb_rename_file):
        Combine into the new function cb_change_file.
        (init_c_lex): Update.
        * cppfiles.c (stack_include_file): Use _cpp_do_file_change.
        (cpp_syshdr_flags): Delete.
        * cpphash.h (_cpp_do_file_change): New prototype.
        Move struct cpp_buffer here from...
        * cpplib.h (struct cpp_buffer): ... here.
        (enum cpp_fc_reason, struct cpp_file_loc,
        struct_cpp_file_change, change_file): New.
        (enter_file, leave_file, rename_file, cpp_syshdr_flags): Delete.
        * cpplib.c (do_line): Update for new cb_change_file callback.
        (_cpp_do_file_change): New function.
        (_cpp_pop_buffer): Update to use it.
        * cppmain.c (move_printer): Delete.
        (main): Set up single callback cb_change_file.
        (cb_enter_file, cb_leave_file, cb_rename_file): Delete.
        (cb_change_file): New.
        * fix-header.c (cur_file, cb_change_file): New.
        (recognized_function, read_scan_file): Update.
        * scan-decls.c (scan_decls): Update.
        * scan.h (recognized_function): Update prototype.

From-SVN: r37784
2000-11-27 08:00:04 +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
4a5b68a2f7 cpplex.c (trigraph_ok): Ensure we don't warn twice.
* cpplex.c (trigraph_ok): Ensure we don't warn twice.
	* cpplib.h (struct cpp_buffer): New member last_Wtrigraphs.

From-SVN: r37669
2000-11-22 20:36:10 +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
fe6c2db99a cpplib.c (start_directive, [...]): New functions.
* cpplib.c (start_directive, end_directive): New functions.
        (_cpp_handle_directive, run_directive): Use them.
        (_cpp_handle_directive): Don't -Wtraditional on indented
        null directives.
        (_cpp_push_buffer): Don't re-clear was_skipping.
        * cpplib.h (struct cpp_reader): New member la_saved.
        * cppmacro.c (cpp_get_token): Don't interpret _Pragma in
        directives.

From-SVN: r37487
2000-11-15 19:25:22 +00:00
Neil Booth
29b10746ab cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF cases return without MI check.
* cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
        cases return without MI check.
        * cpplib.c (do_diagnostic): Take boolean of whether to
        print the directive name.
        (do_error, do_warning): Update.
        (do_pragma_dependency): Use it.
        * cpplib.h (VARARGS_FIRST): Delete.
        (struct cpp_token): Delete integer.
        * cppmacro.c (enter_macro_context): Move disabled check
        to _cpp_get_token.
        (_cpp_get_token): Simplify into a single loop.

From-SVN: r37434
2000-11-13 18:40:37 +00:00
Neil Booth
b528a07e0e cppexp.c: Don't worry about pfile->skipping.
* cppexp.c: Don't worry about pfile->skipping.
        * cpplib.c (struct if_stack): Make was_skipping unsigned char.
        (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
        for handled directives.
        (skip_rest_of_line): Use _cpp_lex_token after popping contexts
        and releasing lookaheads.
        (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
        (do_else, do_elif, push_conditional): Update logic.
        (do_endif): Set buffer->was_skipping rather than pfile->skipping.
        (unwind_if_stack): Inline into cpp_pop_buffer.
        (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
        * cpplex.c (_cpp_lex_token): Clear skipping on EOF.  Handle
        multiple-include optimisation.
        * cpplib.h (struct cpp_buffer): New member was_skipping.
        * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping.  This
        works because skipping == 0 in directives.
        (_cpp_release_lookahead): Renamed from release_lookahead.
        (cpp_get_token): No need to check skipping as _cpp_get_token does
        this for us.  No need to handle MI optimisation.

From-SVN: r37404
2000-11-12 11:46:21 +00:00
Neil Booth
4c2b647d42 Remove CPP_PLACEMARKERs
* cppexp.c (lex): Don't handle CPP_PLACEMARKER.
	* cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
	* cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
	           Similarly.
	* cpplib.h: Remove CPP_PLACEMARKER.
	(struct lexer_state): Rename skip_newlines to next_bol.
	* cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
	Simplify prev_white handling as a result.
	(paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
	(parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
	(parse_args): Similarly.  Update argument count tests.
	(enter_macro_context): Return 2 to indicate an empty macro.
	(replace_args): Don't bother pre-expanding an empty argument.
	Handle placemarkers and ## extension during pre-expansion.
	(cpp_get_token): Handle empty macro expansions.  Don't worry
	about CPP_PLACEMARKERs.
	(_cpp_create_definition): Empty macros are now empty.
	(cpp_macro_defintion): Don't special case empty macros.
	* scan-decls.c: Don't bother with CPP_PLACEMARKERs.
	* c-lex.c: Similarly.

From-SVN: r37385
2000-11-11 13:19:01 +00:00
Neil Booth
adb84b4254 Move directive handling into the lexer itself.
* cpplex.c (_cpp_lex_token): Handle directives directly.
        In the case of a directive interrupting a function-like
        macro invocation, use extra_char since read_ahead is
        used to store the '#'.  Return a CPP_EOF in this case.
        * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
        (cpp_get_token): Don't handle directives here.
        * cpplib.h: Remove CPP_DHASH token type.

From-SVN: r37329
2000-11-08 23:08:07 +00:00
Neil Booth
6c53ebffc5 c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or tok.val.arg_no as appropriate.
* c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
	tok.val.arg_no as appropriate.
	* cppexp.c (lex): Similarly.
	* cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
	cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
	* cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
	cpp_macro_definition): Similarly.
	* cpplib.h (struct cpp_token): Replace aux with c and arg_no.

From-SVN: r37276
2000-11-06 18:43:32 +00:00
Neil Booth
12c4f523b1 c-parse.in (_yylex): Remove CPP_BACKSLASH case.
* c-parse.in (_yylex): Remove CPP_BACKSLASH case.
	* cp/spew.c: Similarly.
	* cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
	* cppmacro.c (stringify_arg): Similarly.
	* cpplib.h (CPP_BACKSLASH): Delete.

From-SVN: r37182
2000-11-01 07:32:23 +00:00
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
Geoff Keating
926c56780f cpphash.c (cpp_forall_identifiers): Add context variable for callback routine.
* cpphash.c (cpp_forall_identifiers): Add context variable
	for callback routine.
	* cppmain.c (dump_macro): Update to match cpp_forall_identifiers
	change.
	(main): Call cpp_forall_identifiers with null context.
	* cpplib.h (cpp_forall_identifiers): Update prototype.

	* cppmain.c: Make `parse_in' and `print' static.

From-SVN: r37119
2000-10-29 07:07:20 +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
a94c119922 cpplex.c (parse_args): Don't set VOID_REST flag.
* cpplex.c (parse_args): Don't set VOID_REST flag.
	(Fix diagnostic merge problem).
        (CONTEXT_VARARGS): New flag.
        (maybe_paste_with_next): Set context earlier in loop.  Use
        it.  Do varargs test with CONTEXT_VARARGS flag.
        (push_arg_context): Set CONTEXT_VARARGS flag if we're
        pushing an argument context for a varargs argument.
        * cpplib.h (VOID_REST): Delete.
        * gcc.dg/cpp/vararg1.c: Add test case.

From-SVN: r36638
2000-09-25 23:35:10 +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
Neil Booth
838f313bbd cpplex.c: Update TODO comment.
* cpplex.c: Update TODO comment.
	* cpplib.c (do_error, do_warning): Merge common code of
	do_error and do_warning	into do_diagnostic.  Use it.
	(do_diagnostic): New function.
	* cpplib.h: Fix comment typo.

From-SVN: r36587
2000-09-24 10:42:09 +00:00
Neil Booth
cbcff6df5c cpphash.h (CPP_RESERVE, [...]): Delete.
* cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
	CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
	* cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
	_cpp_free_toklist): No need to worry about extra dummy token
	at the start of token lists any more.
	(trigraph_ok): Only warn outside comments.
	(skip_block_comment): Set and clear lexing_comment.
	(skip_line_comment): Take a cpp_reader not cpp_buffer.
	Set and clear lexing_comment.
	(parse_number): Handle leading '.' indicated by pfile->seen_dot.
	(check_long_token): Delete.
	(lex_percent, lex_dot): New subroutines of lex_token to
	handle lexing of '.' and '%' without lookback.
	(lex_token): Use lex_dot and lex_percent.
	(lex_line): Don't check for LIST_OFFSET.
	(_cpp_init_input_buffer): Update for new _cpp_init_toklist.
	* cpplib.c (_cpp_parse_assertion): Similarly.
	(cpp_push_buffer): Initialize extra_char.
	* cpplib.h (LIST_OFFSET): Delete.
	(struct cpp_buffer): New member extra_char.
	(struct lexer_state): New members lexing_comment and seen_dot.

From-SVN: r36582
2000-09-23 21:41:41 +00:00
Neil Booth
0d9f234d93 cpphash.h (HASHSTEP): Take character rather than pointer to character.
* cpphash.h (HASHSTEP): Take character rather than pointer
	to character.
	(_cpp_check_directive, _cpp_check_linemarker): Update prototypes.

	* cpphash.c (cpp_loookup): Update for new HASHSTEP.

	* cpplex.c (auto_expand_name_space, trigraph_replace,
	backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
	IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
	BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
	KNOWN_DIRECTIVE): Delete.

	(handle_newline, check_long_token, skip_escaped_newlines,
	unterminated): New functions.
	(ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.

	(parse_identifier): Was parse_name, new implementation.
	(skip_line_comment, skip_block_comment, skip_whitespace,
	parse_number, parse_string, trigraph_ok, save_comment,
	adjust_column, _cpp_get_line): New implementations.

	(lex_token): New function.  Lexes a token at a time, looking
	forwards.  Contains most of the guts of the old lex_line.
	(lex_line): New implementation, using lex_token to obtain
	individual tokens.
	(cpp_scan_buffer): Use the token's line, not the list's line.

	* cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
	 New implementations.
	(do_assert): Don't bother setting the answer's list's line.
	(cpp_push_buffer): Initialise new pfile and read_ahead members
	of struct cpp_buffer.

	* cpplib.h (cppchar_t): New typedef.
	(struct cpp_buffer): read_ahead, pfile and col_adjust are
	new members.
	(struct lexer_state): New structure that determines the state
	and behaviour of the lexer.
	(IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
	(struct cpp_reader): New member "state". Rename
	multiline_string_line and multiline_string_column. Delete
	col_adjust, in_lex_line members.
	(CPP_BUF_COLUMN): Update.

	* gcc.dg/cpp/cmdlne-C.c: Remove bogus warning test.

From-SVN: r36509
2000-09-18 18:43:05 +00:00
Zack Weinberg
a58d32c208 cppfiles.c: Move all default-#defines to top of file.
* cppfiles.c: Move all default-#defines to top of file.
	(open_include_file): Replace by lookup_include_file.
	(read_with_read, read_file): Merged into read_include_file.
	(stack_include_file, purge_cache): New functions.
	(close_cached_fd): Delete.
	(lookup_include_file, read_include_file, _cpp_pop_file_buffer):
	Cache the in-memory buffer, not the file descriptor.

	* cpphash.h (struct include_file): Add buffer, st, refcnt,
	mapped fields.
	(xcnew): New utility macro.
	(DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
	* cpplib.h (struct cpp_buffer): Remove mapped field.

	* cpplex.c (parse_string): Accept backslash space newline as a
	line continuation.
	(lex_line): Likewise.
	(_cpp_get_token): Remove hard limit on macro nesting.

testsuite:
	* gcc.dg/cpp/backslash.c: New test.

From-SVN: r36347
2000-09-12 03:42:30 +00:00
Zack Weinberg
6db8315512 cpplib.h (struct cpp_options): Add user_label_prefix member, left out of commit which removed cppulp.c.
* cpplib.h (struct cpp_options): Add user_label_prefix member,
	left out of commit which removed cppulp.c.

From-SVN: r36254
2000-09-08 01:29:56 +00:00
Zack Weinberg
8b97c5f8ef c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if REGISTER_TARGET_PRAGMAS is defined.
* c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
	REGISTER_TARGET_PRAGMAS is defined.  Duplicate some
	definitions from cpplib.h.
	* cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
	already done it.
	* tm.texi: Document HANDLE_PRAGMA as no longer supported.  Add
	documentation for REGISTER_TARGET_PRAGMAS.

	* c-lex.c: Include cpplib.h before c-pragma.h.  Define a
	default-pragma callback to implement -Wunknown-pragmas if
	USE_CPPLIB.
	* c-parse.in: Move all includes to top of file.
	* c-pragma.c: Include cpplib.h before c-pragma.h.  Include
	tm_p.h.
	(dispatch_pragma): Put the namespace in the -Wunknown-pragmas
	warning.
	(init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.

	* arm.h, arm-protos.h, arm.c,
	  c4x.h, c4x-protos.h, c4x.c,
	  h8300.h, h8300-protos.h, h8300.c,
	  i370.h, i370-protos.h, i370.c,
	  i960.h, i960-protos.h, i960.c,
	  sh.h, sh-protos.h, sh.c,
	  v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
	pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.

	* d30v.h: Don't mention HANDLE_PRAGMA in comment.  Add
	multiple include guard.
	* i370.md (untyped_call): Use GEN_CALL.
	(umodsi3): Remove unused variable.
	* sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
	* v850.c (output_move_single, output_move_double): Constify
	return value.
	(print_operand): Constify a char *.
	* v850.h (struct small_memory_info): Constify name member.

From-SVN: r36249
2000-09-07 22:24:34 +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
Zack Weinberg
9ec7291f1f configure.in (--enable-c-cpplib): Uncomment.
* configure.in (--enable-c-cpplib): Uncomment.  Use AC_DEFINE
	instead of extra_c_flags.
	(--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
	* configure: Regenerate.
	* config.in: Regenerate.

	* cpperror.c (cpp_type2name): New function.
	* cpplex.c (lex_line): If we issued an error for an invalid
	preprocessing directive, discard that logical line.
	* cpplib.c (do_line): Call a hook function if the current file
	is renamed by #line.
	(do_ident): Pass the contents of the string, not the entire
	token, to the callback function.
	* cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
	(cb.rename_file): New hook function.
	(cb.ident): Adjust prototype.
	(cpp_type2name): Prototype.
	* cppmacro.c (dump_macro_args): Correct precedence lossage.

	* cppmain.c (cb_ident): Update for changed interface.
	(cb_rename_file): New function.
	(main): Set rename callback.

From-SVN: r35593
2000-08-09 19:41:12 +00:00
Zack Weinberg
ba89d661ac cpplex.c (parse_name): Might have to glue a CPP_OTHER token before the name.
* cpplex.c (parse_name): Might have to glue a CPP_OTHER token
	before the name.
	(lex_line): Glue @ onto the beginning of identifiers and
	string constants, in Objective-C mode.
	(output_token, spell_token): Handle CPP_OSTRING.
	(can_paste, maybe_paste_with_next): Handle pasting @ onto the
	beginning of a NAME or a STRING, in objc mode.

	* cpplib.c (get_define_node): Do not permit identifiers that
	begin with @ to be #defined.
	* cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
	* cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.

	* c-lang.c, objc/objc-act.c (build_objc_string): Delete.
	* c-tree.h (build_objc_string): Delete prototype.
	* objc/objc-tree.def: Delete OBJC_STRING_CST.
	* c-lex.c (yylex): Use build_string for all three kinds of strings.

	* gcc.dg/cpp/20000625-2.c: Don't expect a warning on line 4.

From-SVN: r35470
2000-08-04 01:30:06 +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
6fee6033e7 cppmacro.c (CAN_PASTE_AFTER): New macro.
* cppmacro.c (CAN_PASTE_AFTER): New macro.
	(count_params): Don't set GNU_REST_ARGS on anything.
	(save_expansion): Set PASTE_LEFT only on tokens for which
	CAN_PASTE_AFTER is true, or which are named operators.

	* cpplex.c (parse_args): Distinguish between a rest argument
	given one empty argument, and a rest argument given zero arguments.
	(maybe_paste_with_next): Look for VOID_REST tag, and trigger
	deletion of previous token based on that.
	(get_raw_token): Flatten some control structure.

	* cpplib.h (CPP_LAST_EQ): Correct.
	(VOID_REST): New token flag.
	(GNU_REST_ARGS): Delete.

	* gcc.dg/cpp/20000625-2.c, gcc.dg/cpp/macsyntx.c: Update error
	regexps.
	* gcc.dg/cpp/paste6.c: New test.

From-SVN: r35146
2000-07-20 17:57:38 +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
96be699833 cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry macros, not five.
* cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
          macros, not five.

	* cpphash.h (TOKEN_NAME): New macro.
	(_cpp_spell_operator): Deleted.
	(token_spellings): Now _cpp_token_spellings.

	* cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
	* cpplex.c: Use OP and TK macros when expanding the
	TTYPE_TABLE.  Eliminate token_names.  For non-OPERATOR tokens,
	store the stringification of the enumeration name (CPP_CHAR,
	etc.) in the name slot of token_spellings.
	Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
	token_spellings directly.
	* cpplib.c: Use TOKEN_SPELL.

	* cpplex.c (_cpp_push_token): If the token being pushed back
	is the previous token in this context, just subtract one from
	context->posn.
	* cppmacro.c (save_expansion): Clear aux field when storing a
	placemarker.

	* gcc.dg/cpp/paste5.c: New test.
	* gcc.dg/cpp/vararg1.c: New test.

From-SVN: r35124
2000-07-18 23:25:06 +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
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
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
Neil Booth
563dd08adf cpphash.c (is__va_args__): New function.
* cpphash.c (is__va_args__): New function.
	(count_params): Fix line reported in error messages.  Use
	is__va_args__.  Don't return ')' on error.  Flag GNU style
	rest args macro definitions.
	(parse_define): Check macro name is not __VA_ARGS__.
	(save_expansion): Check identifier in non-varargs-macro is
	not __VA_ARGS__.  Don't flag GNU_VARARGS.
	* cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
	(maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
	 than per-token GNU_VARARGS.
	* cpplib.h (GNU_VARARGS): Remove.
	(GNU_REST_ARGS): New.

	* gcc.dg/cpp/macsyntx.c: New tests.

From-SVN: r34919
2000-07-08 02:18:25 +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
e605b0403e cppfiles.c (cpp_make_system_header): New function.
* cppfiles.c (cpp_make_system_header): New function.
	* cpplib.h: Prototype it.
	* cpplib.c (do_line, do_pragma_system_header): Use it.
	* fix-header.c (read_scan_file): Use it.

	* fix-header.c (check_macro_names): Cast second arg of
	cpp_defined to const unsigned char *.
	(read_scan_file): Make getchar_call const unsigned char.

From-SVN: r34641
2000-06-21 23:08:17 +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
Zack Weinberg
ea4a453b89 cpplib.h (cpp_reader): Remove if_stack.
* cpplib.h (cpp_reader): Remove if_stack.  Change
	potential_control_macro to a cpp_hashnode *.  Add skipping flag.
	* cpphash.h (struct ihash): Change control_macro to a
	cpp_hashnode * and shorten name to cmacro.
	Add NEVER_REINCLUDE constant.

	* cppfiles.c (redundant_include_p): Drop cpp_reader argument.
	Examine the cmacro node directly, no need to call cpp_defined.
	(_cpp_execute_include, read_include_file): Set cmacro to
	NEVER_REINCLUDE, not U"".
	* cpplex.c (cpp_push_buffer): Don't set new->if_stack.
	(cpp_get_token): If pfile->skipping is true, discard text and
	keep scanning until we hit a directive; don't expand macros.

	* cpplib.c (struct if_stack): Remove if_succeeded, add
	was_skipping. Change control_macro to a cpp_hashnode * and
	shorten name to cmacro.  Remove typedef IF_STACK.
	(parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
	(conditional_skip, skip_if_group,
	consider_directive_while_skipping): Delete.
	(push_conditional): New.
	(_cpp_handle_directive): Don't process directives other than
	conditionals if we are skipping.

	(do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
	Update to new scheme.
	(validate_else): Skip rest of line here, unconditionally.
	(_cpp_unwind_if_stack): The stack is per-buffer.  Force
	pfile->skipping off.

	(all): Remove `scare quotes' from error messages.

	* gcc.dg/cpp-mi.c: Add another case, cpp-mix.h, where the
	guard macro is already defined when the header is first
	included.
	* gcc.dg/cpp-mix.h: New file.
	* gcc.dg/endif-label.c: Update patterns to match compiler.

	* g++.brendan/complex1.C: Declare abort.
	* g++.law/refs4.C: Remove XFAIL.
	* g++.oliva/expr2.C: Declare abort and exit.

From-SVN: r34253
2000-05-29 16:19:32 +00:00
Zack Weinberg
f8f769ea4e cppfiles.c: Read files in, using mmap if possible, then prescan them separately.
* cppfiles.c: Read files in, using mmap if possible, then
	prescan them separately.
	(read_file, read_with_read): New functions.
	* cpplex.c: Don't define UCHAR_MAX.
	(_cpp_read_and_prescan): Rename to _cpp_prescan.  Don't read
	the file here.

	* cppinit.c (handle_option): Automatically define __cplusplus,
	__OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
	the respective -lang switch.

	* cpphash.h (enum node_type, struct hashnode, _cpp_lookup
	prototype): Move to...
	* cpplib.h: ... here.  Rename struct hashnode to struct
	cpp_hashnode and give it a typedef.  Rename _cpp_lookup to
	cpp_lookup.  Add 'fe_value' slot, a union tree_node *.

From-SVN: r34228
2000-05-28 05:56:38 +00:00
Neil Booth
f624ffa71f cpplex.c (_cpp_lex_line): Merge vertical space.
* cpplex.c (_cpp_lex_line): Merge vertical space.  Flag
	first token of a line BOL.  Update EOF code for this.
	Remove illegal directive check - it appears in the (not
	yet committed) caller.
	* cpplib.h (BOL): New flag.

From-SVN: r34216
2000-05-28 01:03:16 +00:00
Neil Booth
ad265aa4d6 cpplex.c (_cpp_init_toklist): No comment space to initialise.
* cpplex.c (_cpp_init_toklist): No comment space to initialise.
	(_cpp_free_toklist): No comment space to free.
	(expand_comment_space): Remove.
        (save_comment_space): Place the comment in the current token and
        not in a separate comment space.
        (_cpp_lex_line): Save comments during plain code and #define
        directives only.
        * cpplib.h (struct _cpp_toklist): Remove comment space.

From-SVN: r34215
2000-05-27 23:27:36 +00:00
Zack Weinberg
15dad1d908 cppexp.c (parse_assertion): New.
* cppexp.c (parse_assertion): New.
	(lex): Call it for CPP_HASH.  Remove CPP_ASSERTION case.
	(_cpp_parse_expr): Remove case '#'.  Don't set
	parsing_if_directive.
	* cpphash.c (collect_objlike_expansion,
	collect_funlike_expansion, collect_params,
	_cpp_create_definition): The list no longer has a trailing
	VSPACE token.
	* cpphash.h (enum node_type): Add T_ASSERTION.
	(struct hashnode): Remove aschain, add pred.
	(struct predicate): New.
	Update prototypes.

	* cpplex.c (expand_token_space): Handle both offset and
	nonoffset lists.
	(init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
	(_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
	_cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
	_cpp_equiv_toklists): New.
	(_cpp_scan_line): Rename to _cpp_scan_until; add ability to
	stop at any single-character token, not just newline.
	(_cpp_lex_token): Remove special cases for #define and #if.
	(cpp_get_token): Expect # as a separate token type.  Remove
	DIRECTIVE case.
	(_cpp_get_directive_token): Remove DIRECTIVE case.
	(_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.

	* cpplib.c (_cpp_check_directive): Set dirno and
	SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
	(_cpp_handle_directive): Run # <number> through the same logic
	as normal directives.
	(do_define): Don't set parsing_define_directive.  Use
	_cpp_scan_until.  The list does not have a VSPACE at the end.
	(do_if): Save, clear, and restore only_seen_white around
	_cpp_parse_expr.
	(skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
	(do_assert, do_unassert): Rewrite.

	* cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
	(LIST_OFFSET): New flag.
	(struct cpp_toklist): Replace dir_handler and dir_flags with
	dirno and flags.
	(struct cpp_reader): Remove parsing_if_directive and
	parsing_define_directive.

From-SVN: r33984
2000-05-18 15:55:46 +00:00
Neil Booth
6ab3e7dde0 cppinit.c (cpp_reader_init): Initialise col_adjust and default tab stop size.
* cppinit.c (cpp_reader_init): Initialise col_adjust and
	default tab stop size.
	(no_num, OPT_ftabstop): New.
	(handle_option): Handle "ftabstop=" command-line option.
	(print_help): Document it.
	* cpplex.c (COLUMN): Remove.
	(handle_newline): Reset col_adjust.
	(skip_whitespace): Update col_adjust as tabs encountered.
	(_cpp_lex_line): Update to use col_adjust.  Call
	skip_whitespace for all whitespace.
	* cpplib.h (struct cpp_options): New member tabstop.
	(struct cpp_reader): New member col_adjust.
	(CPP_BUF_COL): Update.
	(CPP_BUF_COLUMN): New.
	* cpp.texi: Document "-ftabstop=" command line option.

From-SVN: r33982
2000-05-18 11:09:27 +00:00
Neil Booth
41e8b1d735 cpplex.c (parse_string2): Update comment.
* cpplex.c (parse_string2): Update comment.
	(cpp_lex_line): No special assertion treatment for '('.
	* cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
	* cpplib.h (SYNTAX_ASSERT): Remove.

From-SVN: r33915
2000-05-15 22:44:22 +00:00
Neil Booth
f617b8e222 cpphash.c (trad_stringify, [...]): Make some pointers pointers to const.
* cpphash.c (trad_stringify, warn_trad_stringify,
	collect_params): Make some pointers pointers to const.
	* cpplex.c (auto_expand_name_space) Guaranteed to always
	expand by at least one character.
	(SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
	(struct token_spelling): Use const U_CHAR * rather than PTR.
	(expand_name_space): Fix up token pointers if name space
	is moved when expanding.
	(INIT_NAME, cpp_scan_line, parse_name, parse_number,
	parse_string2, save_comment, spell_token, cpp_output_list):
	Update so the routines handle tokens with a direct pointer to
	their text, rather than an offset into the token's list's namebuf.
	(_cpp_lex_line): Rearrange for clarity.

	* cpplib.c (_cpp_check_directive): Similarly.
	(do_define): Make SYM a pointer to const.
	* cpplib.h (struct cpp_name): Replace offset with direct pointer.
	(CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
	(TOK_OFFSET): Delete.
	(TOK_NAME): Update.

From-SVN: r33901
2000-05-14 22:42:58 +00:00
Neil Booth
5d7ee2fa66 cpplex.c (spell_token): New function.
* cpplex.c (spell_token): New function.
	(spell_string, spell_comment, spell_name): fold into
	spell_token.
	(I, S): Add macros.
	(E, H): Remove macros.
	(save_comment): Save comment opening characters too.
	(_cpp_lex_file): Update to use spell_token.  Tidy up comment
	handling.
	* cpplib.h (I, S): Add macros.
	(E, H): Remove macros.
	(TTYPE_TABLE): Update entries for new speller.
	(SYNTAX_ASSERT): Remove.

From-SVN: r33817
2000-05-10 09:39:18 +00:00
Neil Booth
3fef5b2b99 cpplex.c (spell_token): New function.
* cpplex.c (spell_token): New function.
	  (TOKEN_LEN): Add 1 for whitespace.
	  (_cpp_lex_file): Update to use spell_token.
	* cpplib.h (E): Remove.
	(TTYPE_TABLE): Update CPP_VSPACE entry.

From-SVN: r33777
2000-05-08 22:22:49 +00:00
Zack Weinberg
1920de4701 cpplib.h: Add accessor macros for token lists.
* cpplib.h: Add accessor macros for token lists.
	* cpplib.c, cpphash.c, cpplex.c: Use them.

From-SVN: r33630
2000-05-03 15:35:47 +00:00
Zack Weinberg
c56c2073a6 cpplib.h (CPP_POP, [...]): Delete.
* cpplib.h (CPP_POP, parse_cleanup_t): Delete.
	(cpp_buffer): Remove cleanup, seen_eof, manual_pop members.

	* cppfiles.c (file_cleanup): Delete.
	* cpphash.c (macro_cleanup): Delete.
	(collect_objlike_expansion, collect_funlike_expansion,
	macarg, scan_arguments): Remove CPP_POP case.

	* cpplex.c (null_cleanup): Delete.
	(cpp_pop_buffer): Do the work that was done in the cleanups
	here.  Call _cpp_unwind_if_stack from here.
	(_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
	cpp_scan_buffer): Run until we see CPP_EOF and the top of
	stack is the buffer _below_ the one we stacked.
	(cpp_get_token): Always pop an exhausted buffer.  Return
	CPP_EOF unless it's a macro buffer.  Don't call _cpp_handle_eof.
	* cpplib.c (skip_if_group): Don't call cpp_get_token to
	increment the line number.
	(_cpp_handle_eof): Rename to _cpp_unwind_if_stack.

	* fix-header.c (read_scan_file) [parsing getchar()]: Run until
	we see CPP_EOF and the top of stack is the buffer _below_ the
	one we stacked.
	* scan-decls.c: Likewise.

From-SVN: r33611
2000-05-02 16:09:12 +00:00
Zack Weinberg
6d2c2047b5 cpplex.c (cpp_idcmp): New function.
* cpplex.c (cpp_idcmp): New function.
	* cpplib.h: Prototype it.
	* scan_decls.c (scan_decls): Use it to inspect token names.
	* fix-header.c (read_scan_file): Likewise.  Set system_header_p on
	the file being run through the preprocessor.
	(check_macro_names): Provide length of token to cpp_defined.

	* Makefile.in: Remove stale warning message.

From-SVN: r33552
2000-04-30 17:30:25 +00:00
Neil Booth
6777db6d4a cpplib.h: "~=" is not a single pp-token.
2000-04-26  Neil Booth  <NeilB@earthling.net>

	* cpplib.h: "~=" is not a single pp-token.
	* cpplex.c: Correct commentary.

From-SVN: r33463
2000-04-27 05:49:33 +00:00
Neil Booth
cfd5b8b852 cpplex.c (spell_other, spell_char): Remove.
* cpplex.c (spell_other, spell_char): Remove.
	(SPELL_CHAR): New.
	(token_spelling, trigraph_map): Use unsigned chars.
	(_cpp_lex_line): Tidy up the switch statement.
	* cpplib.h: Implement spell_char with spell_string.
	(C): New.

From-SVN: r33454
2000-04-27 00:58:50 +00:00
Zack Weinberg
c5a047348d [multiple changes]
2000-04-25  Zack Weinberg  <zack@wolery.cumb.org>

	* cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
	commentary.

2000-04-25  Neil Booth  <NeilB@earthling.net>

	Restore previous patch, plus the following fixes:

	* cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
	flags, not CPP_OPEN_PAREN.
	* cpplex.c (expand_token_space, init_token_list,
	cpp_free_token_list): Put the dummy token at list->tokens[-1].
	(_cpp_lex_line, _cpp_lex_file): token list is 0-based.

From-SVN: r33419
2000-04-25 19:32:36 +00:00
Neil Booth
05183359da * Revert previous patch until build failure cause determined.
From-SVN: r33411
2000-04-25 11:57:57 +00:00
Neil Booth
9c603af2ac cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
* cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
	* cpphash.h (_cpp_check_directive): new.
	* cpplex.c (handle_newline, cpp_free_token_list,
	init_trigraph_map, trigraph_ok, trigraph_replace,
	backslash_start, skip_block_comment, skip_line_comment,
	skip_whitespace, parse_name, parse_number, parse_string,
	copy_comment, _cpp_lex_line, spell_char, spell_string,
	spell_comment, spell_name, spell_other, _cpp_lex_file,
	_cpp_output_list): new.
	(expand_name_space): take length argument.
	(init_token_list): add comment list initialisation.
	(cpp_scan_line): use auto_expand_name_space.  PREV_WHITESPACE
	instead of HSPACE_BEFORE.

	* cpplib.c (_cpp_check_directive): new
	* cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
	DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
	(HSPACE_BEFORE): delete.
	(TTYPE_TABLE): rearrange.
	(struct cpp_toklist): update.

From-SVN: r33390
2000-04-24 22:07:36 +00:00
Zack Weinberg
9e62c8114f cpphash.c (struct arg, [...]): Const-ify strings.
* cpphash.c (struct arg, struct arglist): Const-ify strings.
	(warn_trad_stringify, duplicate_arg_p): New helper functions.
	(collect_expansion): Rewrite to scan over a token list.
	Remove -traditional support.
	(collect_formal_parameters): Rename to collect_params; rewrite
	to scan over a token list.
	(_cpp_create_definition): Adjust to scan a token list.
	(_cpp_macroexpand): Remove -traditional support.
	(_cpp_compare_defs): Whitespace is now canonicalized.
	(comp_def_part): Delete function.

	* cpphash.h: Update prototypes.
	* cpplex.c (init_token_list): Don't set lineno if there is no
	buffer.
	(pedantic_whitespace): New function.
	(_cpp_scan_line): Mark tokens that had hspace before.  Don't
	consume a newline.  Use pedantic_whitespace.
	(_cpp_lex_token): Remove support for -traditional macros.
	(_cpp_get_define_token): Delete.
	(_cpp_get_directive_token): Do the real work here.  Use
	pedantic_whitespace.
	(_cpp_init_input_buffer): Initialize pfile->directbuf.

	* cpplib.c (get_macro_name): Delete.
	(do_define): Read the entire line into pfile->directbuf, then
	feed the token list to _cpp_create_definition.
	* cpplib.h (HSPACE_BEFORE): new define.
	(struct cpp_reader): Add a toklist member, "directbuf".

From-SVN: r33309
2000-04-21 17:18:50 +00:00
Zack Weinberg
1368ee700d cpplib.h (enum cpp_ttype): Add token types for all punctuators.
* cpplib.h (enum cpp_ttype): Add token types for all
	punctuators.  Distinguish pp-numbers from valid C numbers.
	Give some tokens better names.  Initialize from macro.
	(struct cpp_name, cpp_token, cpp_toklist): New data
	structures.
	Update prototypes.
	* cpplex.c (bump_column, expand_name_space,
	expand_token_space, init_token_list, cpp_output_list,
	_cpp_scan_line):  New functions.
	(output_line_command): Add third argument, new line number.
	* cpphash.h: Update prototypes.
	* cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
	token names.

From-SVN: r33289
2000-04-20 19:33:11 +00:00
Zack Weinberg
86702e3134 cccp.c, [...]: Removed.
* cccp.c, cexp.y, cexp.c, cccp.1: Removed.

	* configure.in: Delete --disable-cpplib option and all
	references to cpp_main.
	* configure: Regenerate.
	* Makefile.in: Remove all references to CCCP, CCCP_OBJS,
	@cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
	cccp.o, cccp, or cppmain.  Link cppmain.o straight to
	cpp$(exeext).  Add --no-headers to makeinfo command line when
	generating INSTALL.  Install and uninstall cpp.1 manpage, not
	cccp.1.
	* install.texi: Delete all references to cexp.y/cexp.c.
	Delete ancient instructions for compiling GCC on 3b1.
	* INSTALL: Regenerate.

	* cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c,
	ch/decl.c, ch/lex.c, cp/lex.c, f/lex.c, mips/t-ecoff,
	mips/t-elf, mips/t-r3900: Remove references to cccp.c.
	* convex.h, fx80.h, m68k.h, pdp11.h, contrib/gcc_update,
	f/g77install.texi: Remove references to	cexp.c/cexp.y.
	* xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
	which is no longer tested anywhere.

	* po/POTFILES.in: Remove cccp.c and cexp.c.  Comment out
	alpha/vms-tramp.asm.

From-SVN: r33238
2000-04-18 22:34:13 +00:00
Zack Weinberg
f2d5f0cca2 cpplex.c (cpp_output_tokens, [...]): New public interfaces.
* cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
	interfaces.
	(safe_fwrite, output_line_command): New static functions.
	(cpp_expand_to_buffer): Now private to cpplib.
	(cpp_scan_buffer): Take a printer.

	* cpphash.h: Update prototypes.
	* cpplib.h: Update prototypes.
	(cpp_printer): New.
	(cpp_buffer): Remove last_nominal_fname.
	(cpp_reader): Remove lineno.

	* cppmain.c: Use a cpp_printer.
	* fix-header.c: No need to inhibit line commands.  Call
	cpp_start_read with no printer.

	* cpperror.c (cpp_notice_from_errno): Provide default name.
	* cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
	(find_include_file, cpp_read_file): Use make_IHASH.
	(file_cleanup): Set control_macro and clear
	input_stack_listing_current here.
	(_cpp_execute_include): Don't output entering-file marker.
	* cpphash.c (special_symbol): Look for the line number in the
	buffer, not the reader.
	(_cpp_macroexpand): No need to disable line commands.
	(_cpp_dump_definition): No need to generate line commands.
	(dump_hash_helper): Remove excess newline from output.
	* cppinit.c (dump_special_to_buffer): No need to generate line
	commands.
	(cpp_printer_init): New.
	(cpp_start_read): Take a printer, and start it up if it's not
	NULL.  No need to generate line commands.
	(cpp_finish): Expect no buffers stacked at all.  Take a
	printer argument, and flush the output buffer if it's not
	NULL.
	* cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
	Don't put two hashes at the beginning of an assertion.
	(cpp_get_token): Don't increment pfile->lineno or emit line
	commands here.  Return EOF if there's no buffer when we get
	EOF.
	* cpplib.c (do_define, skip_if_group):
	No need to disable line commands.
	(_cpp_output_line_command): Delete function.
	(do_line): Don't emit line commands here, but set things up so
	they will be emitted if necessary.  Use _cpp_fake_ihash to
	make unique nominal_fnames if necessary.
	(do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
	with 0 for column, not -1.
	(_cpp_handle_eof): Don't set the control macro here.  Don't
	clear input_stack_listing_current here.  Don't emit line
	commands.

From-SVN: r33159
2000-04-14 23:29:45 +00:00
Zack Weinberg
3a2b2c7a20 cppexp.c, [...]: Replace cpp_token with cpp_ttype everywhere.
* cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
	cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
	cpp_token with cpp_ttype everywhere.
	* cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
	Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
	CPP_BUF_COL.  Line and column numbers are unsigned int, not
	long.
	* cpplex.c (cpp_buf_line_and_col): Delete.
	* cpplib.h (struct cpp_buffer, struct cpp_reader): Change
	'long lineno' to 'unsigned int lineno'.
	(CPP_BUF_LINE, CPP_BUF_COL): New macros.

From-SVN: r33076
2000-04-11 08:29:34 +00:00
Zack Weinberg
8c389f849a cpphash.c (timestamp): Delete.
* cpphash.c (timestamp): Delete.
	(del_HASHNODE): If type is T_MCONST, free value.cpval.
	(special_symbol): Remove unnecessary braces.  Remove
	T_VERSION.  Treat T_STDC like T_CONST unless
	STDC_0_IN_SYSTEM_HEADERS.  Render both __DATE__ and __TIME__
	when one is encountered, then convert them into T_MCONST
	nodes.
	* cppinit.c (builtin_array): version_string is T_MCONST.
	__STDC__ has a "1" in its cpval.  Don't have a terminator
	entry.  Clean up which entries are dumped.
	(initialize_builtins): Only __STDC__ gets the special
	-traditional treatment.  Count the length of builtin_array.
	Render version_string here.
	* cpphash.h: Remove T_VERSION.  Add T_MCONST.
	* cpplib.h (struct cpp_reader): Remove timebuf.

From-SVN: r33047
2000-04-10 03:27:21 +00:00
Zack Weinberg
ff2b53efb1 cpphash.c (CPP_IS_MACRO_BUFFER, [...]): Delete.
* cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
	(macro_cleanup): No need to cast pbuf->macro.
	(collect_expansion): Use _cpp_get_define_token.  Goto done if
	it returns VSPACE.  Remove check for trailing space after
	CPP_COMMENT.
	(_cpp_create_definition): Don't diddle flags here.  Return
	directly on error.
	(unsafe_chars): Handle c1 being EOF.
	(push_macro_expansion): Use unsafe_chars for both accidental-paste
	checks.  Don't push the buffer till after we're done with
	them.
	* cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
	(PEEKN, FORWARD, GETC, PEEKC): Use them.
	(cpp_push_buffer): Don't set new->alimit.  Set new->mark
	appropriately.
	(_cpp_parse_assertion): Don't NUL terminate.
	(_cpp_lex_token): Fix -traditional macro handling.  Don't skip
	hspace before calling _cpp_parse_assertion.  Remove all sets
	of only_seen_white. Treat '\f' as hspace.  Don't do anything
	special with '\n' here.
	(maybe_macroexpand): Handle T_EMPTY hash entries without
	pushing a buffer at all.
	(cpp_get_token): Handle clearing only_seen_white here.  Handle
	incrementing the line number here.  Clear
	potential_control_macro as well as only_seen_white, if
	appropriate.
	(cpp_get_non_space_token): Don't eat CPP_POP tokens.
	(_cpp_get_define_token): New function, basically like
	_cpp_get_directive_token was but doesn't eat horizontal space.
	Don't do anything with only_seen_white here.
	(_cpp_get_directive_token): Just call _cpp_get_define_token
	repeatedly till it returns non-hspace.

	* cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
	(conditional_skip, skip_if_group): Return int.
	(DIRECTIVE_TABLE): Change origin of all conditional directives
	to "COND".
	(TRAD_DIRECT_P): New macro.
	(_cpp_handle_directive): Use _cpp_get_directive_token.  Issue
	an error for a bogus directive, unless -lang-asm.  Use
	TRAD_DIRECT_P. Loop calling handler functions till one returns
	zero.
	(get_macro_name): Don't diddle flags here.
	(do_define): Diddle flags here.  Use _cpp_get_directive_token.
	Create T_EMPTY nodes for #define macro /* nothing */.
	(do_undef): Don't copy the name.  Use _cpp_get_directive_token.
	Use hp->name when calling pass_thru_directive.
	(do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
	Return the result of conditional_skip and/or skip_if_group.
	Don't call _cpp_output_line_command.
	(consider_directive_while_skipping): Use _cpp_get_directive_token.
	Issue -Wtraditional warnings as appropriate.  Don't complain
	about unrecognized directives.  If we are to stop skipping,
	return the number of the directive that ended the skip.
	(skip_if_group): Use _cpp_get_directive_token.  Turn off macro
	expansion and line commands while skipping.  Return the result
	of consider_directive_while_skipping, if nonzero.
	(do_endif): Just set potential_control_macro here.
	(validate_else): Use _cpp_get_directive_token.
	(do_assert, do_unassert): Don't save pointers into the
	token_buffer across calls to the lexer.  Use
	_cpp_get_directive_token.

	* cpplib.h (cpp_buffer): Remove alimit and colno.  Make mark a
	pointer, not an offset.  Replace 'data', which was a generic
	pointer, with 'macro', which points to a struct hashnode.
	(cpp_reader): Add 'potential_control_macro' pointer.
	* cpphash.h (T_UNUSED): Replace with T_EMPTY.
	(CPP_BUF_GET, CPP_FORWARD): Delete.
	(CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
	(CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
	ACTIVE_MARK_P): Update.
	(_cpp_get_define_token): New internal function.
	* cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.

From-SVN: r32965
2000-04-06 07:56:14 +00:00
Zack Weinberg
07aa0b04f2 cpplib.c: Include symcat.h.
* cpplib.c: Include symcat.h.  Add 'origin' field to struct
	directive.  Add origin values to DIRECTIVE_TABLE.  Generate
	the strings and function names on the fly.  Take the #sccs
	entry out of the table if SCCS_DIRECTIVE is not defined.
	(_cpp_handle_directive): Decide if the # was at the beginning
	of the line here.  Issue -pedantic warnings for extended
	directives here.  Warn about K+R directives with the #
	indented, and C89/extended directives with the # not indented,
	here.
	(do_import, do_include_next, do_warning, do_ident, do_sccs,
	do_assert, do_unassert): Don't issue pedantic warning here.

	* cpphash.h: Add CPP_WTRADITIONAL macro.
	* cpplib.h (struct cpp_options): Rename warn_stringify to
	warn_traditional; update comments.
	* cppinit.c (handle_option): Set warn_traditional not
	warn_stringify.
	* cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
	CPP_WTRADITIONAL (pfile).
	* cpplex.c (_cpp_lex_token): Don't decide if directives should
	be ignored in -traditional mode here.

	* cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
	to initialize speccase[] and trigraph_map[].  Delete all
	references to pfile->input_speccase.  Always treat '?' as a
	special character.  Remove table-initialization code from
	_cpp_init_input_buffer.

	* cpplib.h (struct cpp_reader): Remove input_speccase field.
	* cppinit.c (cpp_cleanup): Don't free input_speccase.

From-SVN: r32860
2000-04-01 22:55:25 +00:00
Zack Weinberg
46d0749798 cpplex.c: Copy ISTABLE macros from cppinit.c...
* cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
	to initialize speccase[] and trigraph_map[].  Delete all
	references to pfile->input_speccase.  Always treat '?' as a
	special character.  Remove table-initialization code from
	_cpp_init_input_buffer.

	* cpplib.h (struct cpp_reader): Remove input_speccase field.
	* cppinit.c (cpp_cleanup): Don't free input_speccase.

From-SVN: r32858
2000-04-01 22:02:31 +00:00
Zack Weinberg
ae79697b72 cpplib.h: Merge struct cpp_options into struct cpp_reader.
* cpplib.h: Merge struct cpp_options into struct cpp_reader.
	Reorder struct cpp_options and struct cpp_reader for better
	packing.  Replace CPP_OPTIONS macro with CPP_OPTION which
	takes two args.  Change all 'char' flags to 'unsigned char'.
	Move show_column flag into struct cpp_options.  Don't
	prototype cpp_options_init.
	* cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
	cppinit.c, cpplex.c, cpplib.c:
	Replace CPP_OPTIONS (pfile)->whatever with
	CPP_OPTION (pfile, whatever), and likewise for
	opts = CPP_OPTIONS (pfile); ... opts->whatever;

	* cppinit.c (merge_include_chains): Take a cpp_reader *.
	Extract CPP_OPTION (pfile, pending) and work with that
	directly.
	(cpp_options_init): Delete.
	(cpp_reader_init): Turn on on-by-default options here.
	Allocate the pending structure here.
	(cl_options, enum opt_code): Define these from the same table,
	kept in a large macro.  Add -fshow-column and -fno-show-column
	options.

	* cpperror.c (v_message): If show_column is off, don't print
	the column number.

	* cppmain.c: Update for new interface.
	* fix-header.c: Likewise.

From-SVN: r32850
2000-03-31 23:16:11 +00:00
Zack Weinberg
45b966db65 Makefile.in (LIBCPP_OBJS): Add cpplex.o.
* Makefile.in (LIBCPP_OBJS): Add cpplex.o.
	(cpplex.o): New target.
	* po/POTFILES.in: Add cpplex.c.

	* cpplex.c (_cpp_grow_token_buffer, null_cleanup,
	cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
	cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
	skip_block_comment, skip_line_comment, skip_comment,
	copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
	_cpp_parse_name, skip_string, parse_string,
	_cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
	_cpp_get_directive_token, find_position,
	_cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
	(maybe_macroexpand, _cpp_lex_token): New functions.

	* cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
	parse_goto_mark): Delete.
	(_cpp_handle_eof): New function.
	(_cpp_handle_directive): Rename from handle_directive.
	(_cpp_output_line_command): Rename from output_line_command.
	(do_if, do_elif): Call _cpp_parse_expr directly.
	* cppfiles.c (_cpp_read_include_file): Don't call
	init_input_buffer here.
	* cpphash.c (quote_string): Move here, rename _cpp_quote_string.
	* cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
	here; pop the token_buffer and skip the rest of the line here.
	* cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
	here.

	* cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
	Define here.
	(CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
	CPP_GOTO_MARK): New macros.
	(_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
	_cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
	_cpp_read_and_prescan, _cpp_init_input_buffer,
	_cpp_grow_token_buffer, _cpp_get_directive_token,
	_cpp_handle_directive, _cpp_handle_eof,
	_cpp_output_line_command): Prototype them here.
	* cpplib.h (enum cpp_token): Add CPP_MACRO.
	(CPP_RESERVE, get_directive_token, cpp_grow_buffer,
	quote_string, output_line_command): Remove.

From-SVN: r32513
2000-03-13 22:01:08 +00:00
Zack Weinberg
d35364d13e Convert cpplib to use libiberty/hashtab.c.
* cpplib.h (struct cpp_reader): Make hashtab and
	all_include_files of type 'struct htab *'.  Delete HASHSIZE
	and ALL_INCLUDE_HASHSIZE macros.

	* cpphash.h: Update prototypes.
	(struct hashnode): Remove next, prev, and bucket_hdr members.
	Make length a size_t.  Add hash member.
	(struct ihash): Remove next member.  Add hash member.  Make
	name a flexible array member.

	* cppfiles.c: Include hashtab.h.
	(include_hash): Delete.
	(IHASHSIZE): New macro.
	(hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
	(cpp_included): Do the hash lookup here.
	(_cpp_find_include_file): Rewrite.
	(cpp_read_file): Put the "fake" hash entry into the hash
	table.  Honor the control_macro, if it turns out we've seen
	the file before.  Don't push the buffer here.
	(_cpp_read_include_file): Push the buffer here.
	(OMODES): New macro.  Use it whenever we call open(2).

	* cpphash.c: Include hashtab.h.
	(hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
	_cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
	_cpp_lookup_slot): New functions.
	(HASHSIZE): new macro.
	(hashf, _cpp_install, _cpp_delete_macro): Delete.
	(_cpp_lookup): Use hashtab.h routines.

	* cppinit.c: Include hashtab.h.
	(cpp_reader_init): Call _cpp_init_macro_hash and
	_cpp_init_include_hash.  Don't allocate hashtab directly.
	(cpp_cleanup): Just call htab_delete on pfile->hashtab and
	pfile->all_include_files.
	(initialize_builtins): Use _cpp_make_hashnode and
	htab_find_slot to add hash entries.
	(cpp_finish): Just call _cpp_dump_macro_hash.
	* cpplib.c: Include hashtab.h.
	(do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
	create hash entries.
	(do_pragma_poison, do_assert): Likewise.
	(do_include): Don't push the buffer here.  Don't increment
	system_include_depth unless _cpp_read_include_file succeeds.
	(do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
	or htab_remove_elt.
	(do_pragma_implementation): Use alloca to create copy.

	* Makefile.in: Update dependencies.

From-SVN: r32497
2000-03-12 23:46:05 +00:00
Neil Booth
7ceb3598d8 cppfiles.c (file_cleanup, [...]): Replace bcopy(), index() etc calls.
* cppfiles.c (file_cleanup, _cpp_find_include_file,
	remap_filename, _cpp_read_include_file, actual_directory,
	hack_vms_include_specification): Replace bcopy(), index() etc
	calls.  Add casts to some allocations.  Make some variables
 	pointers to const [unsigned] char.
	* cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
	collect_formal_parameters): Similarly.
	* cppinit.c (struct pending_option, append_include_chain,
	cpp_options_init, cpp_reader_init, initialize_standard_includes,
	cpp_start_read, new_pending_define, handle_option): Similarly.
	* cpplib.c (cpp_define, copy_comment, do_define, do_include,
	do_undef, do_error, do_warning, do_pragma, do_pragma_once,
	do_pragma_implementation, detect_if_not_defined,
	do_ifdef, skip_if_group, cpp_get_token, parse_string,
	do_assert, do_unassert): Similarly.
	* cpplib.h (cpp_buffer, cpp_options): Update types.  Update
	function prototypes.
	* mkdeps.c (deps_add_target, deps_add_dep): cast allocations.

From-SVN: r32477
2000-03-11 00:49:44 +00:00
Zack Weinberg
88ae23e71d Makefile.in (LIBCPP_DEPS): New macro.
* Makefile.in (LIBCPP_DEPS): New macro.
	(cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
	it to declare deps.
	* cpperror.c: Include cpphash.h.
	* cppexp.c: Include cpphash.h.  Remove MULTIBYTE_CHARS
	dingleberry.
	(lex): Don't use CPP_WARN_UNDEF.
	(_cpp_parse_expr): Return an int, the truth value.
	* cppfiles.c: Include cpphash.h.
	(_cpp_merge_include_chains): Move to cppinit.c and make static.
	* cppinit.c (include_defaults_array): Disentangle.
	(cpp_cleanup): Don't free the if stack here.
	(cpp_finish): Pop off all buffers, not just one.
	* cpplib.c (eval_if_expr): Return int.
	(do_xifdef): Rename do_ifdef.
	(handle_directive): Don't use CPP_PREPROCESSED.
	(cpp_get_token): Don't use CPP_C89.
	* fix-header.c: Don't use CPP_OPTIONS.

	* cpplib.h: Move U_CHAR, enum node_type, struct
	file_name_list, struct ihash, is_idchar, is_idstart,
	is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
	CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
	CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
	CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
	CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
	of _cpp_simplify_pathname, _cpp_find_include_file,
	_cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
	Move struct if_stack to cpplib.c.  Move struct cpp_pending to
	cppinit.c.
	Change all uses of U_CHAR to be unsigned char instead.
	Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.

From-SVN: r32435
2000-03-08 23:35:19 +00:00
Zack Weinberg
38b24ee220 cpplib.h (parse_underflow_t, [...]): Delete.
* cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
	(struct cpp_buffer): Remove fname and underflow fields.
	(struct cpp_reader): Remove get_token field.
	(struct include_hash): Rename to struct ihash.  Add typedef to
	IHASH.
	(struct if_stack): Remove fname field.
	(IF_STACK_FRAME): Rename to IF_STACK.

	* cpperror.c (print_containing_files): Trust that there are no
	macro buffers below the top file buffer.
	* cppfiles.c: Replace all references to 'struct include_hash'
	with 'IHASH'.  Rename initialize_input_buffer to
	init_input_buffer.  Don't set or reference cpp_buffer->fname,
	use buffer->ihash->name instead.
	* cpphash.c (special_symbol): Use cpp_file_buffer.  Use NULL
	not CPP_NULL_BUFFER.
	* cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
	IF_STACK_FRAME, IHASH not struct include_hash.
	* cpplib.c: Rename eval_if_expression to eval_if_expr.  Remove
	null_underflow.  Use IF_STACK not IF_STACK_FRAME, IHASH not
	struct include_hash, NULL not CPP_NULL_BUFFER.  Remove all
	references to cpp_buffer->fname (delete entirely, or use
	->ihash->name instead) and IF_STACK->fname.
	(cpp_push_buffer): Don't set new->underflow.
	(do_include): Use cpp_file_buffer.

	* cpphash.c (collect_formal_parameters): Remove duplicate
	increment of argslen.  Pedwarn in C99 mode if __VA_ARGS__ is
	used as a macro argument name.  Don't append "..." to namebuf
	for varargs macros.  After we're done scanning, go through
	namebuf and make it NUL separated, not comma separated.
	(_cpp_compare_defs): Remove register tag from variables.
	Expect defn->argnames to be NUL separated.
	(_cpp_dump_definition): Expect defn->argnames to be NUL
	separated and in forward order.
	* cpphash.h: Update documentation of argnames field.

From-SVN: r32430
2000-03-08 20:37:23 +00:00
Zack Weinberg
e23c0ba36f [multiple changes]
2000-03-07  Neil Booth  <NeilB@earthling.net>

	* cppexp.c (struct operation, left_shift, right_shift,
	cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
	"int"s to "unsigned int"s.
	* cpplib.c (detect_if_not_defined, do_assert, do_unassert):
	Similarly.
	* cpplib.h: Update for above.
	* mkdeps.c (deps_init, deps_calc_target): Cast pointers
	returned from allocations.

	* cppinit.c (opt_comp, parse_options): New functions.
	(handle_option): Use parse_option to parse a single command
	line option, that possibly takes an argument.
	(cpp_handle_options): Sort the array of command line options on
	first invocation (non-ASCII hosts only).
	(print_help): Update.

2000-03-07  Zack Weinberg  <zack@wolery.cumb.org>

	* mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
	backslash counting loops.  Problem noted by Matt Kraai <kraai@ghs.com>.

From-SVN: r32394
2000-03-07 23:11:06 +00:00
Zack Weinberg
b0699daddf cppfiles.c (_cpp_find_include_file): Make sure ih->name is initialized.
* cppfiles.c (_cpp_find_include_file): Make sure ih->name is
	initialized.
	* cppinit.c (cpp_cleanup): Free imp->nshort also.

	* cpperror.c (cpp_print_containing_files,
	cpp_print_file_and_line, v_cpp_message): Rename to
	print_containing_files, print_file_and_line, and v_message.
	* cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
	to _cpp_parse_expr, parse_escape, and lex.
	(parse_charconst): Remove broken multibyte support.
	* cppfiles.c (include_hash): Make static.
	(cpp_included): New function.
	(merge_include_chains, find_include_file, finclude,
	simplify_pathname): Rename to _cpp_merge_include_chains,
	_cpp_find_include_file, _cpp_read_include_file, and
	_cpp_simplify_pathname.
	* cpphash.c (cpp_lookup, free_definition, delete_macro,
	cpp_install, create_definition, macroexpand, compare_defs,
	dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
	_cpp_delete_macro, _cpp_install, _cpp_create_definition,
	_cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
	* cppinit.c (cpp_handle_option): Rename to handle_option, make
	static.
	* cpplib.c: Remove extern prototype of cpp_parse_expr.

	* cpphash.h: Update prototypes.
	* cpplib.h: Likewise.  Prototype _cpp_parse_expr here.

From-SVN: r32390
2000-03-07 20:58:47 +00:00
Zack Weinberg
49e6c08e21 mkdeps.c, mkdeps.h: New files.
* mkdeps.c, mkdeps.h: New files.
	* po/POTFILES.in: Add them.
	* Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
	(cpplib.o, cppinit.o): Depend on mkdeps.h.
	(mkdeps.o): New target.

	* cppfiles.c: Delete deps_output.
	* cppinit.c: Include mkdeps.h.  Delete known_suffixes,
	OBJECT_SUFFIX, and base_name.
	(cpp_cleanup): Use deps_free.  Free ihash->name when clearing
	the include hash.
	(initialize_dependency_output): Use deps_init,
	deps_add_target, deps_calc_target, and deps_add_dep.  Remove
	all the unnecessary string bashing.
	(cpp_finish): Use deps_write.  Remove an unnecessary nesting
	level.
	* cpplib.c (do_include): Use deps_add_dep.
	* cpplib.h (struct cpp_reader): Replace deps_buffer,
	deps_allocated_size, deps_size, deps_column members with
	single pointer to a struct deps.  Delete prototype of
	deps_output.

From-SVN: r32329
2000-03-04 19:42:04 +00:00
Zack Weinberg
455d25861f cpplib.h (_dollar_ok): New macro.
* cpplib.h (_dollar_ok): New macro.
	(is_idchar, is_idstart): Use it.
	(IStable): Rename to _cpp_IStable.  Declare it const if
	gcc >=2.7 or C99.  Delete all references to FAKE_CONST.
	(is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
	is_space): Update for renamed IStable.

	* cppinit.c: Delete all references to FAKE_CONST and CAT
	macros. Define init_IStable as empty macro if gcc >=2.7 or
	C99. Change TABLE() to ISTABLE and hardcode name of table.
	(cpp_start_read): Don't change the IStable based on
	dollars_in_ident.

	* cpphash.c (unsafe_chars): Add pfile argument.  All callers
	changed.  Handle '$' for char1 correctly.
	* cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.

	* cppexp.c (tokentab2): Make const.
	(cpp_lex): Make toktab const.
	* cppinit.c (include_defaults_array): Make const.
	(initialize_standard_includes): Make default_include const.

From-SVN: r32321
2000-03-04 01:42:56 +00:00
Zack Weinberg
49634cde48 cppinit.c (cpp_handle_option): Set opts->pedantic directly.
* cppinit.c (cpp_handle_option): Set opts->pedantic directly.
	* cpplib.h: Delete SET_CPP_PEDANTIC.

From-SVN: r32318
2000-03-04 00:11:40 +00:00
Jason Merrill
83ecd27e96 cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set for the buffer.
* cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
        for the buffer.
        (SET_CPP_PEDANTIC): New macro.
        * cpplib.c (do_include): Don't bother checking system_header_p.
        (do_warning, do_ident, do_assert, do_unassert): Likewise.

From-SVN: r32299
2000-03-02 19:09:22 -05:00
Zack Weinberg
c45da1ca92 cppfiles.c (cpp_read_file): New function.
* cppfiles.c (cpp_read_file): New function.

	* cpphash.c (collect_expansion): Make sure to reset last_token
	to NORM when we hit a string.  Handle trailing whitespace
	properly when the expansion is empty.
	(create_definition): Disable line commands while parsing the
	directive line.
	(dump_definition): If pfile->lineno == 0, output a line
	command ahead of the dump, and add a trailing newline.

	* cppinit.c (append_include_chain): Add fifth argument, which
	indicates whether or not system headers are C++ aware.
	(initialize_standard_includes): New function,
	broken out of read_and_prescan.  Pass 'cxx_aware' value from
	the include_defaults_array on to append_include_chain.
	(dump_special_to_buffer): Const-ify char array.
	(builtin_array): Don't dump __BASE_FILE__.
	(cpp_start_read): Use cpp_read_file.  Reorder code for
	clarity.  Don't output line commands here for -D/-A/-U
	switches.  Don't call deps_output for files included with
	-include or -imacros.

	* cpplib.c (do_define): Don't pay any attention to the second
	argument.
	(cpp_expand_to_buffer): Disable line commands while scanning.
	(output_line_command): Work in the file buffer.
	* cpplib.h: Remove no_record_file flag from struct cpp_reader.
	Fix formatting of comments.  Prototype cpp_read_file.

From-SVN: r32293
2000-03-02 20:14:32 +00:00
Zack Weinberg
ba412f14ad cpplib.h (CPP_ASSERTION, [...]): New token types.
* cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
	token types.
	(struct cpp_reader): Add parsing_if_directive and
	parsing_define_directive flags.
	(struct cpp_options): Remove output_conditionals flag.
	(check_macro_name): Delete prototype.

	* cpphash.h (struct macrodef): Delete.
	(struct reflist): Separate from struct definition.
	(struct definition): Remove unused fields.  Add column number.
	(create_definition): Returns a DEFINITION *.  Takes a
	cpp_reader * and an int.

	* cpphash.c (SKIP_WHITE_SPACE): Delete.
	(PEEKC): Copy defn from cpplib.c.
	(rest_extension, REST_EXTENSION_LENGTH): Delete.
	(struct arg): New.
	(struct arglist): Simplify.
	(collect_expansion): Rewrite.  Get tokens by calling
	cpp_get_token.  Add more error checking.
	(collect_formal_parameters): New function, broken out of
	create_definition and reworked to use get_directive_token.
	(create_definition): All real work is now in collect_expansion
	and collect_formal_parameters.  do_define handles finding the
	macro name.  Return a DEFINITION, not a MACRODEF.
	(macroexpand): Replace bcopy with memcpy throughout.  Replace
	character-at-a-time copy loop with memcpy and pointer increments.
	(compare-defs): d1->argnames / d2->argnames might be null.

	* cpplib.c (copy_rest_of_line): Delete function.
	(skip_rest_of_line): Do all the work ourselves.
	(skip_string): New function.
	(parse_string): Use skip_string.
	(get_macro_name): New function.
	(check_macro_name): Delete.
	(copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
	(cpp_skip_hspace): Use CPP_BUMP_LINE.
	(handle_directive): ICE if we're called on a macro buffer.
	(do_define): Determine macro name and type (funlike/objlike)
	here.  Expunge all uses of MACRODEF.
	(cpp_push_buffer): Set line_base to NULL.
	(do_undef, read_line_number): Don't worry about getting a POP token.
	(eval_if_expression): Set/reset parsing_if_directive around
	cpp_parse_expr. Don't clear only_seen_white.
	(skip_if_group): Remove output_conditionals logic.  Use
	skip_rest_of_line.
	(cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
	tokens under appropriate conditions.
	(cpp_unassert): Call do_unassert not do_assert.  Oops.

	* cppexp.c (parse_defined): New function, break out of
	cpp_lex.
	(cpp_lex): We now get CPP_ASSERTION tokens and can check them
	ourselves, with cpp_defined.
	* cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.

	* gcc.dg/20000209-2.c: Turn off -pedantic-errors.
	* gcc.dg/strpaste-2.c: New.

From-SVN: r32274
2000-03-01 00:57:09 +00:00
Alexandre Oliva
656ac11039 cpplib.h (enum file_change_code): Added rename_file.
* cpplib.h (enum file_change_code): Added rename_file.
* cpplib.c (do_line): If a filename is given, set file_change to
rename_file.
(output_line_command): If file_change is rename_file, always
output a # directive with the file name.

From-SVN: r32215
2000-02-27 07:57:29 +00:00
Alexandre Oliva
525bc95d4a cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
* cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
* cpplib.c (cpp_get_token): Produce them.
* cppexp.c (cpp_lex): Handle them.

From-SVN: r32121
2000-02-23 19:21:07 +00:00
Zack Weinberg
cf4ed945ea cppexp.c: Don't include cpphash.h.
* cppexp.c: Don't include cpphash.h.
	(parse_charconst, cpp_lex): Use cpp_defined.
	(cpp_lex): Use get_directive_token throughout.  Remove
	unnecessary cases from switch.  Move assertion-handling code
	down to OTHER case.
	(cpp_parse_expr): If we see '+' or '-', check the context to
	determine if they are unary or binary operators.  Streamline
	the jumps a bit.  Do not call skip_rest_of_line.

	* cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
	static.  Export get_directive_token.  Update commentary.
	(cpp_defined): New function.
	(do_define): Remove reference to T_PCSTRING.  Call
	free_definition to release memory for old definition, when
	redefining a macro.
	(eval_if_expression): Set only_seen_white to 0 before calling
	cpp_parse_expr.  Call skip_rest_of_line after it returns.
	(cpp_read_check_assertion): Don't preserve a pointer into the
	token buffer across a call to cpp_get_token.

	* Makefile.in (cppexp.o): Don't depend on cpphash.h.
	* cppfiles.c (redundant_include_p): Use cpp_defined.
	* cpphash.c (free_definition): New function.
	(delete_macro): Use it.  Update commentary.
	* cpphash.h: Typedef HASHNODE here.  Prototype cpp_lookup and
	free_definition.
	* cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
	from enum node_type.  Prototype cpp_defined and get_directive_token.
	Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.

	* fix-header.c (check_macro_names): Use cpp_defined.
	(read_scan_file): Set inhibit_warnings and inhibit_errors in
	the options structure.

From-SVN: r31908
2000-02-10 23:47:04 +00:00
Zack Weinberg
bb52fa7f86 cpplib.h: Provide HASHNODE typedef and forward decl of struct hashnode only.
* cpplib.h: Provide HASHNODE typedef and forward decl of
	struct hashnode only.  Kill cpp_hashnode typedef.  MACRODEF,
	DEFINITION, struct hashnode, struct macrodef, struct
	definition, scan_decls prototype, default defn of
	INCLUDE_LEN_FUDGE moved elsewhere.

	* cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
	definition, and struct hashnode moved here. Remove the unused
	'predefined' field from struct definition.  Replace the 'args'
	union with its sole member.  All users updated (cpphash.c).
	Delete HASHSTEP and MAKE_POS macros, and hashf prototype.  Add
	multiple include guard.

	* cpphash.c (hashf): Make static; use better algorithm; drop
	HASHSIZE parameter; return an unsigned int.
	(cpp_lookup): Drop HASH parameter.  PFILE parameter is
	used. Calculate HASHSIZE modulus here.
	(cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
	here.
	(create_definition): Drop PREDEFINITION parameter.
	* cpplib.c (do_define): Don't calculate a hash value here.
	Don't pass (keyword == NULL) to create_definition.

	* scan.h: Prototype scan_decls here.
	* cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
	* cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
	callers of cpp_lookup and cpp_install updated.

From-SVN: r31881
2000-02-10 02:23:08 +00:00
Zack Weinberg
564ad5f49e cpphash.c (macarg): Hoist all the flag diddling out of the function...
* cpphash.c (macarg): Hoist all the flag diddling out of the
	function...
	(macroexpand): ... and out of the loop that calls macarg.
	Skip over the initial paren before macro arguments with
	cpp_get_non_space_token; point may be some distance before
	that paren.  Abort if it's not there.

	* cpplib.c (parse_clear_mark): Delete function.
	(parse_set_mark, parse_goto_mark): Make static.
	(ACTIVE_MARK_P): New macro.
	(skip_block_comment, skip_line_comment): Do not bump the line
	if ACTIVE_MARK_P is true.
	(cpp_pop_buffer): The buffer to be popped may not have an
	active mark.
	(cpp_get_token): When looking for the initial paren before
	macro arguments, only set a mark in a file buffer, Always
	return to that mark before proceeding to call macroexpand or
	return a NAME token.

	* cpplib.h: Remove prototypes of parse_set_mark,
	parse_clear_mark, parse_goto_mark.
	(struct cpp_options): Rename 'put_out_comments' to
	'discard_comments' and invert its sense.
	* cppinit.c, cpphash.c, cpplib.c: All users of
	put_out_comments changed to use discard_comments, with
	opposite sense.

From-SVN: r31879
2000-02-10 00:26:47 +00:00
Zack Weinberg
c1212d2f09 cpplib.c (my_strerror, [...]): Move to cpperror.c.
* cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
	cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
	cpp_pedwarn, cpp_pedwarn_with_line,
	cpp_pedwarn_with_file_and_line): Move to cpperror.c.
	(cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
	v_cpp_error_with_line, v_cpp_warning_with_line,
	cpp_message_from_errno, cpp_perror_with_name): Delete.

	* cpperror.c (cpp_print_containing_files): Take starting
	buffer as argument.
	(cpp_file_line_for_message): Rename to cpp_print_file_and_line.
	(v_cpp_message): Now called directly by all entry points.
	Remove -1 case.
	(cpp_pfatal_with_name, cpp_message): Delete.
	(cpp_notice_from_errno, cpp_ice): New functions.
	(cpp_notice): Is now for reporting error conditions, just
	without an associated file.
	(cpp_error, cpp_error_with_line): Don't do anything if
	opts->inhibit_errors is on.
	(cpp_pedwarn_with_file_and_line): Take column argument also.

	* cpplib.h: Update prototypes of exported functions.
	(struct cpp_options): Add inhibit_errors.

	* cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
	non-error messages.  Include intl.h.

	* cppinit.c, cppmain.c: Likewise.  Also, use
	cpp_notice_from_errno instead of cpp_perror_with_name or
	cpp_pfatal_with_name, and cpp_notice instead of cpp_message.

	* cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
	report internal errors.

	* cpplib.c (do_define): Switch bcopy to memcpy.
	Give cpp_pedwarn_with_file_and_line a dummy column argument.

From-SVN: r31829
2000-02-06 23:46:18 +00:00
Zack Weinberg
1316f1f7fc cppalloc.c: Update copyright.
* cppalloc.c: Update copyright.
	* cpplib.c: Merge all the static function prototypes into one
	block.
	* cpplib.h: Remove #if 0 block.

From-SVN: r31818
2000-02-06 07:53:50 +00:00