1 /* Definitions for CPP library.
2 Copyright (C) 1995, 96-99, 2000 Free Software Foundation, Inc.
3 Written by Per Bothner, 1994-95.
5 This program is free software; you can redistribute it and/or modify it
6 under the terms of the GNU General Public License as published by the
7 Free Software Foundation; either version 2, or (at your option) any
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 In other words, you are welcome to use, share and improve this program.
20 You are forbidden to forbid anyone else to use, share and improve
21 what you give them. Help stamp out software-hoarding! */
22 #ifndef __GCC_CPPLIB__
23 #define __GCC_CPPLIB__
25 #include <sys/types.h>
31 typedef struct cpp_reader cpp_reader;
32 typedef struct cpp_buffer cpp_buffer;
33 typedef struct cpp_options cpp_options;
34 typedef struct cpp_printer cpp_printer;
35 typedef struct cpp_token cpp_token;
36 typedef struct cpp_toklist cpp_toklist;
37 typedef struct cpp_string cpp_string;
38 typedef struct cpp_hashnode cpp_hashnode;
40 /* The first two groups, apart from '=', can appear in preprocessor
41 expressions. This allows a lookup table to be implemented in
44 The first group, to CPP_LAST_EQ, can be immediately followed by an
45 '='. The lexer needs operators ending in '=', like ">>=", to be in
46 the same order as their counterparts without the '=', like ">>". */
48 /* Positions in the table. */
49 #define CPP_LAST_EQ CPP_MAX
50 #define CPP_FIRST_DIGRAPH CPP_HASH
51 #define CPP_LAST_PUNCTUATOR CPP_DOT_STAR
56 OP(CPP_GREATER, ">") /* compare */ \
58 OP(CPP_PLUS, "+") /* math */ \
63 OP(CPP_AND, "&") /* bit ops */ \
66 OP(CPP_RSHIFT, ">>") \
67 OP(CPP_LSHIFT, "<<") \
68 OP(CPP_MIN, "<?") /* extension */ \
72 OP(CPP_AND_AND, "&&") /* logical */ \
76 OP(CPP_COMMA, ",") /* grouping */ \
77 OP(CPP_OPEN_PAREN, "(") \
78 OP(CPP_CLOSE_PAREN, ")") \
79 OP(CPP_EQ_EQ, "==") /* compare */ \
80 OP(CPP_NOT_EQ, "!=") \
81 OP(CPP_GREATER_EQ, ">=") \
82 OP(CPP_LESS_EQ, "<=") \
84 OP(CPP_PLUS_EQ, "+=") /* math */ \
85 OP(CPP_MINUS_EQ, "-=") \
86 OP(CPP_MULT_EQ, "*=") \
87 OP(CPP_DIV_EQ, "/=") \
88 OP(CPP_MOD_EQ, "%=") \
89 OP(CPP_AND_EQ, "&=") /* bit ops */ \
91 OP(CPP_XOR_EQ, "^=") \
92 OP(CPP_RSHIFT_EQ, ">>=") \
93 OP(CPP_LSHIFT_EQ, "<<=") \
94 OP(CPP_MIN_EQ, "<?=") /* extension */ \
95 OP(CPP_MAX_EQ, ">?=") \
96 /* Digraphs together, beginning with CPP_FIRST_DIGRAPH. */ \
97 OP(CPP_HASH, "#") /* digraphs */ \
99 OP(CPP_OPEN_SQUARE, "[") \
100 OP(CPP_CLOSE_SQUARE, "]") \
101 OP(CPP_OPEN_BRACE, "{") \
102 OP(CPP_CLOSE_BRACE, "}") \
103 /* The remainder of the punctuation. Order is not significant. */ \
104 OP(CPP_SEMICOLON, ";") /* structure */ \
105 OP(CPP_ELLIPSIS, "...") \
106 OP(CPP_BACKSLASH, "\\") \
107 OP(CPP_PLUS_PLUS, "++") /* increment */ \
108 OP(CPP_MINUS_MINUS, "--") \
109 OP(CPP_DEREF, "->") /* accessors */ \
111 OP(CPP_SCOPE, "::") \
112 OP(CPP_DEREF_STAR, "->*") \
113 OP(CPP_DOT_STAR, ".*") \
114 OP(CPP_DEFINED, "defined") /* #if */ \
116 TK(CPP_NAME, SPELL_IDENT) /* word */ \
117 TK(CPP_INT, SPELL_STRING) /* 23 */ \
118 TK(CPP_FLOAT, SPELL_STRING) /* 3.14159 */ \
119 TK(CPP_NUMBER, SPELL_STRING) /* 34_be+ta */ \
121 TK(CPP_CHAR, SPELL_STRING) /* 'char' */ \
122 TK(CPP_WCHAR, SPELL_STRING) /* L'char' */ \
123 TK(CPP_OTHER, SPELL_CHAR) /* stray punctuation */ \
125 TK(CPP_STRING, SPELL_STRING) /* "string" */ \
126 TK(CPP_WSTRING, SPELL_STRING) /* L"string" */ \
127 TK(CPP_OSTRING, SPELL_STRING) /* @"string" - Objective C */ \
128 TK(CPP_HEADER_NAME, SPELL_STRING) /* <stdio.h> in #include */ \
130 TK(CPP_COMMENT, SPELL_STRING) /* Only if output comments. */ \
131 TK(CPP_MACRO_ARG, SPELL_NONE) /* Macro argument. */ \
132 TK(CPP_PLACEMARKER, SPELL_NONE) /* Placemarker token. */ \
133 TK(CPP_EOF, SPELL_NONE) /* End of file. */
145 /* Payload of a NUMBER, FLOAT, STRING, or COMMENT token. */
149 const unsigned char *text;
152 /* Flags for the cpp_token structure. */
153 #define PREV_WHITE (1 << 0) /* If whitespace before this token. */
154 #define BOL (1 << 1) /* Beginning of logical line. */
155 #define DIGRAPH (1 << 2) /* If it was a digraph. */
156 #define STRINGIFY_ARG (1 << 3) /* If macro argument to be stringified. */
157 #define PASTE_LEFT (1 << 4) /* If on LHS of a ## operator. */
158 #define PASTED (1 << 5) /* The result of a ## operator. */
159 #define NAMED_OP (1 << 6) /* C++ named operators, also "defined". */
160 #define VOID_REST (1 << 7) /* When a rest arg gets zero actual args. */
162 /* A preprocessing token. This has been carefully packed and should
163 occupy 16 bytes on 32-bit hosts and 24 bytes on 64-bit hosts. */
166 unsigned int line; /* starting line number of this token */
167 unsigned short col; /* starting column of this token */
168 ENUM_BITFIELD(cpp_ttype) type : CHAR_BIT; /* token type */
169 unsigned char flags; /* flags - see above */
173 HOST_WIDEST_INT integer; /* an integer */
174 struct cpp_hashnode *node; /* an identifier */
175 struct cpp_string str; /* a string, or number */
176 unsigned int aux; /* argument no. for a CPP_MACRO_ARG, or
177 character represented by CPP_OTHER. */
181 /* cpp_toklist flags. */
182 #define LIST_OFFSET (1 << 0)
183 #define VAR_ARGS (1 << 1)
184 #define BEG_OF_FILE (1 << 2)
186 struct directive; /* These are deliberately incomplete. */
193 cpp_token *tokens; /* actual tokens as an array */
194 unsigned int tokens_used; /* tokens used */
195 unsigned int tokens_cap; /* tokens allocated */
197 unsigned char *namebuf; /* names buffer */
198 unsigned int name_used; /* _bytes_ used */
199 unsigned int name_cap; /* _bytes_ allocated */
201 /* If the list represents a directive, this points to it. */
202 const struct directive *directive;
204 const char *file; /* in file name */
205 unsigned int line; /* starting line number */
207 unsigned short params_len; /* length of macro parameter names. */
209 short int paramc; /* no. of macro params (-1 = obj-like). */
211 /* Per-list flags, see above */
212 unsigned short flags;
217 const unsigned char *cur; /* current position */
218 const unsigned char *rlimit; /* end of valid data */
219 const unsigned char *buf; /* entire buffer */
220 const unsigned char *line_base; /* start of current line */
222 struct cpp_buffer *prev;
224 /* Filename specified with #line command. */
225 const char *nominal_fname;
227 /* Actual directory of this file, used only for "" includes */
228 struct file_name_list *actual_dir;
230 /* Pointer into the include table. Used for include_next and
231 to record control macros. */
232 struct include_file *inc;
234 /* Value of if_stack at start of this file.
235 Used to prohibit unmatched #endif (etc) in an include file. */
236 struct if_stack *if_stack;
238 /* Line number at line_base (above). */
241 /* True if we have already warned about C++ comments in this file.
242 The warning happens only for C89 extended mode with -pedantic on,
243 or for -Wtraditional, and only once per file (otherwise it would
244 be far too noisy). */
245 char warned_cplusplus_comments;
247 /* True if this buffer's data is mmapped. */
251 struct file_name_map_list;
254 /* Maximum nesting of cpp_buffers. We use a static limit, partly for
255 efficiency, and partly to limit runaway recursion. */
256 #define CPP_STACK_MAX 200
258 /* Values for opts.dump_macros.
259 dump_only means inhibit output of the preprocessed text
260 and instead output the definitions of all user-defined
261 macros in a form suitable for use as input to cpp.
262 dump_names means pass #define and the macro name through to output.
263 dump_definitions means pass the whole definition (plus #define) through
265 enum { dump_none = 0, dump_only, dump_names, dump_definitions };
267 /* This structure is nested inside struct cpp_reader, and
268 carries all the options visible to the command line. */
271 /* Name of input and output files. */
272 const char *in_fname;
273 const char *out_fname;
275 /* Characters between tab stops. */
276 unsigned int tabstop;
278 /* Pending options - -D, -U, -A, -I, -ixxx. */
279 struct cpp_pending *pending;
281 /* File name which deps are being written to. This is 0 if deps are
282 being written to stdout. */
283 const char *deps_file;
285 /* Target-name to write with the dependency information. */
288 /* Search paths for include files. */
289 struct file_name_list *quote_include; /* First dir to search for "file" */
290 struct file_name_list *bracket_include;/* First dir to search for <file> */
292 /* Map between header names and file names, used only on DOS where
293 file names are limited in length. */
294 struct file_name_map_list *map_list;
296 /* Directory prefix that should replace `/usr/lib/gcc-lib/TARGET/VERSION'
297 in the standard include file directories. */
298 const char *include_prefix;
299 unsigned int include_prefix_len;
301 /* Non-0 means -v, so print the full set of include dirs. */
302 unsigned char verbose;
304 /* Nonzero means use extra default include directories for C++. */
305 unsigned char cplusplus;
307 /* Nonzero means handle cplusplus style comments */
308 unsigned char cplusplus_comments;
310 /* Nonzero means handle #import, for objective C. */
313 /* Nonzero means this is an assembly file, so ignore unrecognized
314 directives and the "# 33" form of #line, both of which are
315 probably comments. Also, permit unbalanced ' strings (again,
316 likely to be in comments). */
317 unsigned char lang_asm;
319 /* Nonzero means don't copy comments into the output file. */
320 unsigned char discard_comments;
322 /* Nonzero means process the ISO trigraph sequences. */
323 unsigned char trigraphs;
325 /* Nonzero means process the ISO digraph sequences. */
326 unsigned char digraphs;
328 /* Nonzero means print the names of included files rather than the
329 preprocessed output. 1 means just the #include "...", 2 means
330 #include <...> as well. */
331 unsigned char print_deps;
333 /* Nonzero if missing .h files in -M output are assumed to be
334 generated files and not errors. */
335 unsigned char print_deps_missing_files;
337 /* If true, fopen (deps_file, "a") else fopen (deps_file, "w"). */
338 unsigned char print_deps_append;
340 /* Nonzero means print names of header files (-H). */
341 unsigned char print_include_names;
343 /* Nonzero means cpp_pedwarn causes a hard error. */
344 unsigned char pedantic_errors;
346 /* Nonzero means don't print warning messages. */
347 unsigned char inhibit_warnings;
349 /* Nonzero means don't print error messages. Has no option to
350 select it, but can be set by a user of cpplib (e.g. fix-header). */
351 unsigned char inhibit_errors;
353 /* Nonzero means warn if slash-star appears in a comment. */
354 unsigned char warn_comments;
356 /* Nonzero means warn if there are any trigraphs. */
357 unsigned char warn_trigraphs;
359 /* Nonzero means warn if #import is used. */
360 unsigned char warn_import;
362 /* Nonzero means warn about various incompatibilities with
364 unsigned char warn_traditional;
366 /* Nonzero means warn if ## is applied to two tokens that cannot be
368 unsigned char warn_paste;
370 /* Nonzero means turn warnings into errors. */
371 unsigned char warnings_are_errors;
373 /* Nonzero causes output not to be done, but directives such as
374 #define that have side effects are still obeyed. */
375 unsigned char no_output;
377 /* Nonzero means we should look for header.gcc files that remap file
381 /* Nonzero means don't output line number information. */
382 unsigned char no_line_commands;
384 /* Nonzero means -I- has been seen, so don't look for #include "foo"
385 the source-file directory. */
386 unsigned char ignore_srcdir;
388 /* Zero means dollar signs are punctuation. */
389 unsigned char dollars_in_ident;
391 /* Nonzero means warn if undefined identifiers are evaluated in an #if. */
392 unsigned char warn_undef;
394 /* Nonzero for the 1989 C Standard, including corrigenda and amendments. */
397 /* Nonzero for the 1999 C Standard, including corrigenda and amendments. */
400 /* Nonzero means give all the error messages the ANSI standard requires. */
401 unsigned char pedantic;
403 /* Nonzero means we're looking at already preprocessed code, so don't
404 bother trying to do macro expansion and whatnot. */
405 unsigned char preprocessed;
407 /* Nonzero disables all the standard directories for headers. */
408 unsigned char no_standard_includes;
410 /* Nonzero disables the C++-specific standard directories for headers. */
411 unsigned char no_standard_cplusplus_includes;
413 /* Nonzero means dump macros in some fashion - see above. */
414 unsigned char dump_macros;
416 /* Nonzero means pass all #define and #undef directives which we
417 actually process through to the output stream. This feature is
418 used primarily to allow cc1 to record the #defines and #undefs
419 for the sake of debuggers which understand about preprocessor
420 macros, but it may also be useful with -E to figure out how
421 symbols are defined, and where they are defined. */
422 unsigned char debug_output;
424 /* Nonzero means pass #include lines through to the output. */
425 unsigned char dump_includes;
427 /* Print column number in error messages. */
428 unsigned char show_column;
431 /* A cpp_reader encapsulates the "state" of a pre-processor run.
432 Applying cpp_get_token repeatedly yields a stream of pre-processor
433 tokens. Usually, there is only one cpp_reader object active. */
437 /* Top of buffer stack. */
440 /* Error counter for exit code */
443 /* Line and column where a newline was first seen in a string constant. */
444 unsigned int multiline_string_line;
445 unsigned int multiline_string_column;
447 /* Current depth in #include directives that use <...>. */
448 unsigned int system_include_depth;
450 /* Current depth of buffer stack. */
451 unsigned int buffer_stack_depth;
453 /* Current depth in #include directives. */
454 unsigned int include_depth;
456 /* Hash table of macros and assertions. See cpphash.c */
457 struct htab *hashtab;
459 /* Tree of other included files. See cppfiles.c */
460 struct splay_tree_s *all_include_files;
462 /* Chain of `actual directory' file_name_list entries,
464 struct file_name_list *actual_dirs;
466 /* Current maximum length of directory names in the search path
467 for include files. (Altered as we get more of them.) */
468 unsigned int max_include_len;
470 /* Potential controlling macro for the current buffer. This is only
471 live between the #endif and the end of file, and there can only
472 be one at a time, so it is per-reader not per-buffer. */
473 const cpp_hashnode *potential_control_macro;
475 /* Token column position adjustment owing to tabs in whitespace. */
476 unsigned int col_adjust;
478 /* Token list used to store logical lines with new lexer. */
479 cpp_toklist token_list;
481 /* Temporary token store. */
482 cpp_token **temp_tokens;
483 unsigned int temp_cap;
484 unsigned int temp_alloced;
485 unsigned int temp_used;
487 /* Date and time tokens. Calculated together if either is requested. */
491 /* The # of a the current directive. It may not be first in line if
492 we append, and finding it is tedious. */
493 const cpp_token *first_directive_token;
495 /* Context stack. Used for macro expansion and for determining
496 which macros are disabled. */
497 unsigned int context_cap;
498 unsigned int cur_context;
499 unsigned int no_expand_level;
500 unsigned int paste_level;
501 struct cpp_context *contexts;
503 /* Current arguments when scanning arguments. Used for pointer
505 struct macro_args *args;
507 /* Buffer of -M output. */
510 /* Obstack holding all macro hash nodes. This never shrinks.
512 struct obstack *hash_ob;
514 /* Obstack holding buffer and conditional structures. This is a
515 real stack. See cpplib.c */
516 struct obstack *buffer_ob;
518 /* Pragma table - dynamic, because a library user can add to the
519 list of recognized pragmas. */
520 struct pragma_entry *pragmas;
524 void (*enter_file) PARAMS ((cpp_reader *));
525 void (*leave_file) PARAMS ((cpp_reader *));
526 void (*rename_file) PARAMS ((cpp_reader *));
527 void (*include) PARAMS ((cpp_reader *, const unsigned char *,
528 const unsigned char *, unsigned int, int));
529 void (*define) PARAMS ((cpp_reader *, cpp_hashnode *));
530 void (*undef) PARAMS ((cpp_reader *, cpp_hashnode *));
531 void (*poison) PARAMS ((cpp_reader *));
532 void (*ident) PARAMS ((cpp_reader *, const unsigned char *, unsigned int));
533 void (*def_pragma) PARAMS ((cpp_reader *));
536 /* User visible options. */
537 struct cpp_options opts;
539 /* Nonzero means we have printed (while error reporting) a list of
540 containing files that matches the current status. */
541 unsigned char input_stack_listing_current;
543 /* We're printed a warning recommending against using #import. */
544 unsigned char import_warning;
546 /* True after cpp_start_read completes. Used to inhibit some
547 warnings while parsing the command line. */
548 unsigned char done_initializing;
550 /* True if we are skipping a failed conditional group. */
551 unsigned char skipping;
553 /* True if we need to save parameter spellings - only if -pedantic,
554 or we might need to write out definitions. */
555 unsigned char save_parameter_spellings;
557 /* If we're in lex_line. */
558 unsigned char in_lex_line;
560 /* True if output_line_command needs to output a newline. */
561 unsigned char need_newline;
563 /* Special nodes - identifiers with predefined significance to the
565 struct spec_nodes *spec_nodes;
568 /* struct cpp_printer encapsulates state used to convert the stream of
569 tokens coming from cpp_get_token back into a text file. Not
570 everyone wants to do that, hence we separate the function. */
574 FILE *outf; /* stream to write to */
575 const char *last_fname; /* previous file name */
576 unsigned int lineno; /* line currently being written */
579 #define CPP_FATAL_LIMIT 1000
580 /* True if we have seen a "fatal" error. */
581 #define CPP_FATAL_ERRORS(READER) ((READER)->errors >= CPP_FATAL_LIMIT)
583 #define CPP_OPTION(PFILE, OPTION) ((PFILE)->opts.OPTION)
584 #define CPP_BUFFER(PFILE) ((PFILE)->buffer)
585 #define CPP_BUF_LINE(BUF) ((BUF)->lineno)
586 #define CPP_BUF_COLUMN(BUF, CUR) ((CUR) - (BUF)->line_base + pfile->col_adjust)
587 #define CPP_BUF_COL(BUF) CPP_BUF_COLUMN(BUF, (BUF)->cur)
589 /* Name under which this program was invoked. */
590 extern const char *progname;
592 /* The structure of a node in the hash table. The hash table
593 has entries for all tokens defined by #define commands (type T_MACRO),
594 plus some special tokens like __LINE__ (these each have their own
595 type, and the appropriate code is run when that type of node is seen.
596 It does not contain control words like "#define", which are recognized
597 by a separate piece of code. */
599 /* different flavors of hash nodes */
602 T_VOID = 0, /* no definition yet */
603 T_SPECLINE, /* `__LINE__' */
604 T_DATE, /* `__DATE__' */
605 T_FILE, /* `__FILE__' */
606 T_BASE_FILE, /* `__BASE_FILE__' */
607 T_INCLUDE_LEVEL, /* `__INCLUDE_LEVEL__' */
608 T_TIME, /* `__TIME__' */
609 T_STDC, /* `__STDC__' */
610 T_OPERATOR, /* operator with a name; val.code is token type */
611 T_POISON, /* poisoned identifier */
612 T_MACRO, /* a macro, either object-like or function-like */
613 T_ASSERTION /* predicate for #assert */
616 /* There is a slot in the hashnode for use by front ends when integrated
617 with cpplib. It holds a tree (see tree.h) but we mustn't drag that
618 header into every user of cpplib.h. cpplib does not do anything with
619 this slot except clear it when a new node is created. */
624 unsigned int hash; /* cached hash value */
625 unsigned short length; /* length of name */
626 ENUM_BITFIELD(node_type) type : 8; /* node type */
630 const cpp_toklist *expansion; /* a macro's replacement list. */
631 struct answer *answers; /* answers to an assertion. */
632 enum cpp_ttype code; /* code for a named operator. */
635 union tree_node *fe_value; /* front end value */
637 const unsigned char name[1]; /* name[length] */
640 extern void cpp_init PARAMS ((void));
641 extern int cpp_handle_options PARAMS ((cpp_reader *, int, char **));
642 extern int cpp_handle_option PARAMS ((cpp_reader *, int, char **));
643 extern void cpp_reader_init PARAMS ((cpp_reader *));
644 extern cpp_printer *cpp_printer_init PARAMS ((cpp_reader *, cpp_printer *));
646 extern void cpp_register_pragma PARAMS ((cpp_reader *,
647 const char *, const char *,
648 void (*) PARAMS ((cpp_reader *))));
649 extern void cpp_register_pragma_space PARAMS ((cpp_reader *, const char *));
651 extern int cpp_start_read PARAMS ((cpp_reader *, cpp_printer *, const char *));
652 extern void cpp_output_tokens PARAMS ((cpp_reader *, cpp_printer *,
654 extern void cpp_finish PARAMS ((cpp_reader *, cpp_printer *));
655 extern void cpp_cleanup PARAMS ((cpp_reader *));
657 extern const cpp_token *cpp_get_token PARAMS ((cpp_reader *));
659 extern void cpp_define PARAMS ((cpp_reader *, const char *));
660 extern void cpp_assert PARAMS ((cpp_reader *, const char *));
661 extern void cpp_undef PARAMS ((cpp_reader *, const char *));
662 extern void cpp_unassert PARAMS ((cpp_reader *, const char *));
664 extern void cpp_free_token_list PARAMS ((cpp_toklist *));
665 extern cpp_buffer *cpp_push_buffer PARAMS ((cpp_reader *,
666 const unsigned char *, long));
667 extern cpp_buffer *cpp_pop_buffer PARAMS ((cpp_reader *));
668 extern int cpp_defined PARAMS ((cpp_reader *, const unsigned char *, int));
670 /* N.B. The error-message-printer prototypes have not been nicely
671 formatted because exgettext needs to see 'msgid' on the same line
672 as the name of the function in order to work properly. Only the
673 string argument gets a name in an effort to keep the lines from
674 getting ridiculously oversized. */
676 extern void cpp_ice PARAMS ((cpp_reader *, const char *msgid, ...))
678 extern void cpp_fatal PARAMS ((cpp_reader *, const char *msgid, ...))
680 extern void cpp_error PARAMS ((cpp_reader *, const char *msgid, ...))
682 extern void cpp_warning PARAMS ((cpp_reader *, const char *msgid, ...))
684 extern void cpp_pedwarn PARAMS ((cpp_reader *, const char *msgid, ...))
686 extern void cpp_notice PARAMS ((cpp_reader *, const char *msgid, ...))
688 extern void cpp_error_with_line PARAMS ((cpp_reader *, int, int, const char *msgid, ...))
690 extern void cpp_warning_with_line PARAMS ((cpp_reader *, int, int, const char *msgid, ...))
692 extern void cpp_pedwarn_with_line PARAMS ((cpp_reader *, int, int, const char *msgid, ...))
694 extern void cpp_pedwarn_with_file_and_line PARAMS ((cpp_reader *, const char *, int, int, const char *msgid, ...))
696 extern void cpp_error_from_errno PARAMS ((cpp_reader *, const char *));
697 extern void cpp_notice_from_errno PARAMS ((cpp_reader *, const char *));
699 extern const char *cpp_type2name PARAMS ((enum cpp_ttype));
702 extern cpp_buffer *cpp_push_buffer PARAMS ((cpp_reader *,
703 const unsigned char *, long));
704 extern cpp_buffer *cpp_pop_buffer PARAMS ((cpp_reader *));
705 extern void cpp_scan_buffer PARAMS ((cpp_reader *, cpp_printer *));
706 extern void cpp_scan_buffer_nooutput PARAMS ((cpp_reader *));
707 extern int cpp_ideq PARAMS ((const cpp_token *,
709 extern void cpp_printf PARAMS ((cpp_reader *, cpp_printer *,
712 extern void cpp_output_list PARAMS ((cpp_reader *, FILE *,
717 extern cpp_hashnode *cpp_lookup PARAMS ((cpp_reader *,
718 const unsigned char *, size_t));
719 extern void cpp_forall_identifiers PARAMS ((cpp_reader *,
720 int (*) PARAMS ((cpp_reader *,
723 extern void cpp_dump_definition PARAMS ((cpp_reader *, FILE *,
724 const cpp_hashnode *));
727 extern int cpp_included PARAMS ((cpp_reader *, const char *));
728 extern int cpp_read_file PARAMS ((cpp_reader *, const char *));
729 extern void cpp_make_system_header PARAMS ((cpp_reader *, cpp_buffer *, int));
730 extern const char *cpp_syshdr_flags PARAMS ((cpp_reader *, cpp_buffer *));
735 #endif /* __GCC_CPPLIB__ */