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
55 OP(CPP_GREATER, ">") /* compare */ \
57 OP(CPP_PLUS, "+") /* math */ \
62 OP(CPP_AND, "&") /* bit ops */ \
65 OP(CPP_RSHIFT, ">>") \
66 OP(CPP_LSHIFT, "<<") \
67 OP(CPP_MIN, "<?") /* extension */ \
71 OP(CPP_AND_AND, "&&") /* logical */ \
75 OP(CPP_COMMA, ",") /* grouping */ \
76 OP(CPP_OPEN_PAREN, "(") \
77 OP(CPP_CLOSE_PAREN, ")") \
78 OP(CPP_EQ_EQ, "==") /* compare */ \
79 OP(CPP_NOT_EQ, "!=") \
80 OP(CPP_GREATER_EQ, ">=") \
81 OP(CPP_LESS_EQ, "<=") \
83 OP(CPP_PLUS_EQ, "+=") /* math */ \
84 OP(CPP_MINUS_EQ, "-=") \
85 OP(CPP_MULT_EQ, "*=") \
86 OP(CPP_DIV_EQ, "/=") \
87 OP(CPP_MOD_EQ, "%=") \
88 OP(CPP_AND_EQ, "&=") /* bit ops */ \
90 OP(CPP_XOR_EQ, "^=") \
91 OP(CPP_RSHIFT_EQ, ">>=") \
92 OP(CPP_LSHIFT_EQ, "<<=") \
93 OP(CPP_MIN_EQ, "<?=") /* extension */ \
94 OP(CPP_MAX_EQ, ">?=") \
95 /* Digraphs together, beginning with CPP_FIRST_DIGRAPH. */ \
96 OP(CPP_HASH, "#") /* digraphs */ \
98 OP(CPP_OPEN_SQUARE, "[") \
99 OP(CPP_CLOSE_SQUARE, "]") \
100 OP(CPP_OPEN_BRACE, "{") \
101 OP(CPP_CLOSE_BRACE, "}") \
102 /* The remainder of the punctuation. Order is not significant. */ \
103 OP(CPP_SEMICOLON, ";") /* structure */ \
104 OP(CPP_ELLIPSIS, "...") \
105 OP(CPP_BACKSLASH, "\\") \
106 OP(CPP_PLUS_PLUS, "++") /* increment */ \
107 OP(CPP_MINUS_MINUS, "--") \
108 OP(CPP_DEREF, "->") /* accessors */ \
110 OP(CPP_SCOPE, "::") \
111 OP(CPP_DEREF_STAR, "->*") \
112 OP(CPP_DOT_STAR, ".*") \
113 OP(CPP_DEFINED, "defined") /* #if */ \
115 TK(CPP_NAME, SPELL_IDENT) /* word */ \
116 TK(CPP_INT, SPELL_STRING) /* 23 */ \
117 TK(CPP_FLOAT, SPELL_STRING) /* 3.14159 */ \
118 TK(CPP_NUMBER, SPELL_STRING) /* 34_be+ta */ \
120 TK(CPP_CHAR, SPELL_STRING) /* 'char' */ \
121 TK(CPP_WCHAR, SPELL_STRING) /* L'char' */ \
122 TK(CPP_OTHER, SPELL_CHAR) /* stray punctuation */ \
124 TK(CPP_STRING, SPELL_STRING) /* "string" */ \
125 TK(CPP_WSTRING, SPELL_STRING) /* L"string" */ \
126 TK(CPP_HEADER_NAME, SPELL_STRING) /* <stdio.h> in #include */ \
128 TK(CPP_COMMENT, SPELL_STRING) /* Only if output comments. */ \
129 TK(CPP_MACRO_ARG, SPELL_NONE) /* Macro argument. */ \
130 TK(CPP_PLACEMARKER, SPELL_NONE) /* Placemarker token. */ \
131 TK(CPP_EOF, SPELL_NONE) /* End of file. */
143 /* Payload of a NUMBER, FLOAT, STRING, or COMMENT token. */
147 const unsigned char *text;
150 /* Flags for the cpp_token structure. */
151 #define PREV_WHITE (1 << 0) /* If whitespace before this token. */
152 #define BOL (1 << 1) /* Beginning of logical line. */
153 #define DIGRAPH (1 << 2) /* If it was a digraph. */
154 #define STRINGIFY_ARG (1 << 3) /* If macro argument to be stringified. */
155 #define PASTE_LEFT (1 << 4) /* If on LHS of a ## operator. */
156 #define PASTED (1 << 5) /* The result of a ## operator. */
157 #define NAMED_OP (1 << 6) /* C++ named operators, also "defined". */
158 #define VOID_REST (1 << 7) /* When a rest arg gets zero actual args. */
160 /* A preprocessing token. This has been carefully packed and should
161 occupy 16 bytes on 32-bit hosts and 24 bytes on 64-bit hosts. */
164 unsigned int line; /* starting line number of this token */
165 unsigned short col; /* starting column of this token */
166 ENUM_BITFIELD(cpp_ttype) type : CHAR_BIT; /* token type */
167 unsigned char flags; /* flags - see above */
171 HOST_WIDEST_INT integer; /* an integer */
172 struct cpp_hashnode *node; /* an identifier */
173 struct cpp_string str; /* a string, or number */
174 unsigned int aux; /* argument no. for a CPP_MACRO_ARG, or
175 character represented by CPP_OTHER. */
179 /* cpp_toklist flags. */
180 #define LIST_OFFSET (1 << 0)
181 #define VAR_ARGS (1 << 1)
182 #define BEG_OF_FILE (1 << 2)
184 struct directive; /* These are deliberately incomplete. */
191 cpp_token *tokens; /* actual tokens as an array */
192 unsigned int tokens_used; /* tokens used */
193 unsigned int tokens_cap; /* tokens allocated */
195 unsigned char *namebuf; /* names buffer */
196 unsigned int name_used; /* _bytes_ used */
197 unsigned int name_cap; /* _bytes_ allocated */
199 /* If the list represents a directive, this points to it. */
200 const struct directive *directive;
202 const char *file; /* in file name */
203 unsigned int line; /* starting line number */
205 unsigned short params_len; /* length of macro parameter names. */
207 short int paramc; /* no. of macro params (-1 = obj-like). */
209 /* Per-list flags, see above */
210 unsigned short flags;
215 const unsigned char *cur; /* current position */
216 const unsigned char *rlimit; /* end of valid data */
217 const unsigned char *buf; /* entire buffer */
218 const unsigned char *line_base; /* start of current line */
220 struct cpp_buffer *prev;
222 /* Filename specified with #line command. */
223 const char *nominal_fname;
225 /* Actual directory of this file, used only for "" includes */
226 struct file_name_list *actual_dir;
228 /* Pointer into the include table. Used for include_next and
229 to record control macros. */
230 struct include_file *inc;
232 /* Value of if_stack at start of this file.
233 Used to prohibit unmatched #endif (etc) in an include file. */
234 struct if_stack *if_stack;
236 /* Line number at line_base (above). */
239 /* True if we have already warned about C++ comments in this file.
240 The warning happens only for C89 extended mode with -pedantic on,
241 or for -Wtraditional, and only once per file (otherwise it would
242 be far too noisy). */
243 char warned_cplusplus_comments;
245 /* True if this buffer's data is mmapped. */
249 struct file_name_map_list;
252 /* Maximum nesting of cpp_buffers. We use a static limit, partly for
253 efficiency, and partly to limit runaway recursion. */
254 #define CPP_STACK_MAX 200
256 /* Values for opts.dump_macros.
257 dump_only means inhibit output of the preprocessed text
258 and instead output the definitions of all user-defined
259 macros in a form suitable for use as input to cpp.
260 dump_names means pass #define and the macro name through to output.
261 dump_definitions means pass the whole definition (plus #define) through
263 enum { dump_none = 0, dump_only, dump_names, dump_definitions };
265 /* This structure is nested inside struct cpp_reader, and
266 carries all the options visible to the command line. */
269 /* Name of input and output files. */
270 const char *in_fname;
271 const char *out_fname;
273 /* Characters between tab stops. */
274 unsigned int tabstop;
276 /* Pending options - -D, -U, -A, -I, -ixxx. */
277 struct cpp_pending *pending;
279 /* File name which deps are being written to. This is 0 if deps are
280 being written to stdout. */
281 const char *deps_file;
283 /* Target-name to write with the dependency information. */
286 /* Search paths for include files. */
287 struct file_name_list *quote_include; /* First dir to search for "file" */
288 struct file_name_list *bracket_include;/* First dir to search for <file> */
290 /* Map between header names and file names, used only on DOS where
291 file names are limited in length. */
292 struct file_name_map_list *map_list;
294 /* Directory prefix that should replace `/usr/lib/gcc-lib/TARGET/VERSION'
295 in the standard include file directories. */
296 const char *include_prefix;
297 unsigned int include_prefix_len;
299 /* Non-0 means -v, so print the full set of include dirs. */
300 unsigned char verbose;
302 /* Nonzero means use extra default include directories for C++. */
303 unsigned char cplusplus;
305 /* Nonzero means handle cplusplus style comments */
306 unsigned char cplusplus_comments;
308 /* Nonzero means handle #import, for objective C. */
311 /* Nonzero means this is an assembly file, so ignore unrecognized
312 directives and the "# 33" form of #line, both of which are
313 probably comments. Also, permit unbalanced ' strings (again,
314 likely to be in comments). */
315 unsigned char lang_asm;
317 /* Nonzero means don't copy comments into the output file. */
318 unsigned char discard_comments;
320 /* Nonzero means process the ISO trigraph sequences. */
321 unsigned char trigraphs;
323 /* Nonzero means process the ISO digraph sequences. */
324 unsigned char digraphs;
326 /* Nonzero means print the names of included files rather than the
327 preprocessed output. 1 means just the #include "...", 2 means
328 #include <...> as well. */
329 unsigned char print_deps;
331 /* Nonzero if missing .h files in -M output are assumed to be
332 generated files and not errors. */
333 unsigned char print_deps_missing_files;
335 /* If true, fopen (deps_file, "a") else fopen (deps_file, "w"). */
336 unsigned char print_deps_append;
338 /* Nonzero means print names of header files (-H). */
339 unsigned char print_include_names;
341 /* Nonzero means cpp_pedwarn causes a hard error. */
342 unsigned char pedantic_errors;
344 /* Nonzero means don't print warning messages. */
345 unsigned char inhibit_warnings;
347 /* Nonzero means don't print error messages. Has no option to
348 select it, but can be set by a user of cpplib (e.g. fix-header). */
349 unsigned char inhibit_errors;
351 /* Nonzero means warn if slash-star appears in a comment. */
352 unsigned char warn_comments;
354 /* Nonzero means warn if there are any trigraphs. */
355 unsigned char warn_trigraphs;
357 /* Nonzero means warn if #import is used. */
358 unsigned char warn_import;
360 /* Nonzero means warn about various incompatibilities with
362 unsigned char warn_traditional;
364 /* Nonzero means warn if ## is applied to two tokens that cannot be
366 unsigned char warn_paste;
368 /* Nonzero means turn warnings into errors. */
369 unsigned char warnings_are_errors;
371 /* Nonzero causes output not to be done, but directives such as
372 #define that have side effects are still obeyed. */
373 unsigned char no_output;
375 /* Nonzero means we should look for header.gcc files that remap file
379 /* Nonzero means don't output line number information. */
380 unsigned char no_line_commands;
382 /* Nonzero means -I- has been seen, so don't look for #include "foo"
383 the source-file directory. */
384 unsigned char ignore_srcdir;
386 /* Zero means dollar signs are punctuation. */
387 unsigned char dollars_in_ident;
389 /* Nonzero means warn if undefined identifiers are evaluated in an #if. */
390 unsigned char warn_undef;
392 /* Nonzero for the 1989 C Standard, including corrigenda and amendments. */
395 /* Nonzero for the 1999 C Standard, including corrigenda and amendments. */
398 /* Nonzero means give all the error messages the ANSI standard requires. */
399 unsigned char pedantic;
401 /* Nonzero means we're looking at already preprocessed code, so don't
402 bother trying to do macro expansion and whatnot. */
403 unsigned char preprocessed;
405 /* Nonzero disables all the standard directories for headers. */
406 unsigned char no_standard_includes;
408 /* Nonzero disables the C++-specific standard directories for headers. */
409 unsigned char no_standard_cplusplus_includes;
411 /* Nonzero means dump macros in some fashion - see above. */
412 unsigned char dump_macros;
414 /* Nonzero means pass all #define and #undef directives which we
415 actually process through to the output stream. This feature is
416 used primarily to allow cc1 to record the #defines and #undefs
417 for the sake of debuggers which understand about preprocessor
418 macros, but it may also be useful with -E to figure out how
419 symbols are defined, and where they are defined. */
420 unsigned char debug_output;
422 /* Nonzero means pass #include lines through to the output. */
423 unsigned char dump_includes;
425 /* Print column number in error messages. */
426 unsigned char show_column;
429 /* A cpp_reader encapsulates the "state" of a pre-processor run.
430 Applying cpp_get_token repeatedly yields a stream of pre-processor
431 tokens. Usually, there is only one cpp_reader object active. */
435 /* Top of buffer stack. */
438 /* Error counter for exit code */
441 /* Line and column where a newline was first seen in a string constant. */
442 unsigned int multiline_string_line;
443 unsigned int multiline_string_column;
445 /* Current depth in #include directives that use <...>. */
446 unsigned int system_include_depth;
448 /* Current depth of buffer stack. */
449 unsigned int buffer_stack_depth;
451 /* Current depth in #include directives. */
452 unsigned int include_depth;
454 /* Hash table of macros and assertions. See cpphash.c */
455 struct htab *hashtab;
457 /* Tree of other included files. See cppfiles.c */
458 struct splay_tree_s *all_include_files;
460 /* Chain of `actual directory' file_name_list entries,
462 struct file_name_list *actual_dirs;
464 /* Current maximum length of directory names in the search path
465 for include files. (Altered as we get more of them.) */
466 unsigned int max_include_len;
468 /* Potential controlling macro for the current buffer. This is only
469 live between the #endif and the end of file, and there can only
470 be one at a time, so it is per-reader not per-buffer. */
471 const cpp_hashnode *potential_control_macro;
473 /* Token column position adjustment owing to tabs in whitespace. */
474 unsigned int col_adjust;
476 /* Token list used to store logical lines with new lexer. */
477 cpp_toklist token_list;
479 /* Temporary token store. */
480 cpp_token **temp_tokens;
481 unsigned int temp_cap;
482 unsigned int temp_alloced;
483 unsigned int temp_used;
485 /* Date and time tokens. Calculated together if either is requested. */
489 /* The # of a the current directive. It may not be first in line if
490 we append, and finding it is tedious. */
491 const cpp_token *first_directive_token;
493 /* Context stack. Used for macro expansion and for determining
494 which macros are disabled. */
495 unsigned int context_cap;
496 unsigned int cur_context;
497 unsigned int no_expand_level;
498 unsigned int paste_level;
499 struct cpp_context *contexts;
501 /* Current arguments when scanning arguments. Used for pointer
503 struct macro_args *args;
505 /* Buffer of -M output. */
508 /* Obstack holding all macro hash nodes. This never shrinks.
510 struct obstack *hash_ob;
512 /* Obstack holding buffer and conditional structures. This is a
513 real stack. See cpplib.c */
514 struct obstack *buffer_ob;
516 /* Pragma table - dynamic, because a library user can add to the
517 list of recognized pragmas. */
518 struct pragma_entry *pragmas;
522 void (*enter_file) PARAMS ((cpp_reader *));
523 void (*leave_file) PARAMS ((cpp_reader *));
524 void (*include) PARAMS ((cpp_reader *, const unsigned char *,
525 const unsigned char *, unsigned int, int));
526 void (*define) PARAMS ((cpp_reader *, cpp_hashnode *));
527 void (*undef) PARAMS ((cpp_reader *, cpp_hashnode *));
528 void (*poison) PARAMS ((cpp_reader *));
529 void (*ident) PARAMS ((cpp_reader *, const cpp_token *));
530 void (*def_pragma) PARAMS ((cpp_reader *));
533 /* User visible options. */
534 struct cpp_options opts;
536 /* Nonzero means we have printed (while error reporting) a list of
537 containing files that matches the current status. */
538 unsigned char input_stack_listing_current;
540 /* We're printed a warning recommending against using #import. */
541 unsigned char import_warning;
543 /* True after cpp_start_read completes. Used to inhibit some
544 warnings while parsing the command line. */
545 unsigned char done_initializing;
547 /* True if we are skipping a failed conditional group. */
548 unsigned char skipping;
550 /* True if we need to save parameter spellings - only if -pedantic,
551 or we might need to write out definitions. */
552 unsigned char save_parameter_spellings;
554 /* If we're in lex_line. */
555 unsigned char in_lex_line;
557 /* True if output_line_command needs to output a newline. */
558 unsigned char need_newline;
560 /* Special nodes - identifiers with predefined significance to the
562 struct spec_nodes *spec_nodes;
565 /* struct cpp_printer encapsulates state used to convert the stream of
566 tokens coming from cpp_get_token back into a text file. Not
567 everyone wants to do that, hence we separate the function. */
571 FILE *outf; /* stream to write to */
572 const char *last_fname; /* previous file name */
573 unsigned int lineno; /* line currently being written */
576 #define CPP_FATAL_LIMIT 1000
577 /* True if we have seen a "fatal" error. */
578 #define CPP_FATAL_ERRORS(READER) ((READER)->errors >= CPP_FATAL_LIMIT)
580 #define CPP_OPTION(PFILE, OPTION) ((PFILE)->opts.OPTION)
581 #define CPP_BUFFER(PFILE) ((PFILE)->buffer)
582 #define CPP_BUF_LINE(BUF) ((BUF)->lineno)
583 #define CPP_BUF_COLUMN(BUF, CUR) ((CUR) - (BUF)->line_base + pfile->col_adjust)
584 #define CPP_BUF_COL(BUF) CPP_BUF_COLUMN(BUF, (BUF)->cur)
586 /* Name under which this program was invoked. */
587 extern const char *progname;
589 /* The structure of a node in the hash table. The hash table
590 has entries for all tokens defined by #define commands (type T_MACRO),
591 plus some special tokens like __LINE__ (these each have their own
592 type, and the appropriate code is run when that type of node is seen.
593 It does not contain control words like "#define", which are recognized
594 by a separate piece of code. */
596 /* different flavors of hash nodes */
599 T_VOID = 0, /* no definition yet */
600 T_SPECLINE, /* `__LINE__' */
601 T_DATE, /* `__DATE__' */
602 T_FILE, /* `__FILE__' */
603 T_BASE_FILE, /* `__BASE_FILE__' */
604 T_INCLUDE_LEVEL, /* `__INCLUDE_LEVEL__' */
605 T_TIME, /* `__TIME__' */
606 T_STDC, /* `__STDC__' */
607 T_OPERATOR, /* operator with a name; val.code is token type */
608 T_POISON, /* poisoned identifier */
609 T_MACRO, /* a macro, either object-like or function-like */
610 T_ASSERTION /* predicate for #assert */
613 /* There is a slot in the hashnode for use by front ends when integrated
614 with cpplib. It holds a tree (see tree.h) but we mustn't drag that
615 header into every user of cpplib.h. cpplib does not do anything with
616 this slot except clear it when a new node is created. */
621 unsigned int hash; /* cached hash value */
622 unsigned short length; /* length of name */
623 ENUM_BITFIELD(node_type) type : 8; /* node type */
627 const cpp_toklist *expansion; /* a macro's replacement list. */
628 struct answer *answers; /* answers to an assertion. */
629 enum cpp_ttype code; /* code for a named operator. */
632 union tree_node *fe_value; /* front end value */
634 const unsigned char name[1]; /* name[length] */
637 extern int cpp_handle_options PARAMS ((cpp_reader *, int, char **));
638 extern int cpp_handle_option PARAMS ((cpp_reader *, int, char **));
639 extern void cpp_reader_init PARAMS ((cpp_reader *));
640 extern cpp_printer *cpp_printer_init PARAMS ((cpp_reader *, cpp_printer *));
642 extern void cpp_register_pragma PARAMS ((cpp_reader *,
643 const char *, const char *,
644 void (*) PARAMS ((cpp_reader *))));
645 extern void cpp_register_pragma_space PARAMS ((cpp_reader *, const char *));
647 extern int cpp_start_read PARAMS ((cpp_reader *, cpp_printer *, const char *));
648 extern void cpp_output_tokens PARAMS ((cpp_reader *, cpp_printer *,
650 extern void cpp_finish PARAMS ((cpp_reader *, cpp_printer *));
651 extern void cpp_cleanup PARAMS ((cpp_reader *));
653 extern const cpp_token *cpp_get_token PARAMS ((cpp_reader *));
655 extern void cpp_define PARAMS ((cpp_reader *, const char *));
656 extern void cpp_assert PARAMS ((cpp_reader *, const char *));
657 extern void cpp_undef PARAMS ((cpp_reader *, const char *));
658 extern void cpp_unassert PARAMS ((cpp_reader *, const char *));
660 extern void cpp_free_token_list PARAMS ((cpp_toklist *));
661 extern cpp_buffer *cpp_push_buffer PARAMS ((cpp_reader *,
662 const unsigned char *, long));
663 extern cpp_buffer *cpp_pop_buffer PARAMS ((cpp_reader *));
664 extern int cpp_defined PARAMS ((cpp_reader *, const unsigned char *, int));
666 /* N.B. The error-message-printer prototypes have not been nicely
667 formatted because exgettext needs to see 'msgid' on the same line
668 as the name of the function in order to work properly. Only the
669 string argument gets a name in an effort to keep the lines from
670 getting ridiculously oversized. */
672 extern void cpp_ice PARAMS ((cpp_reader *, const char *msgid, ...))
674 extern void cpp_fatal PARAMS ((cpp_reader *, const char *msgid, ...))
676 extern void cpp_error PARAMS ((cpp_reader *, const char *msgid, ...))
678 extern void cpp_warning PARAMS ((cpp_reader *, const char *msgid, ...))
680 extern void cpp_pedwarn PARAMS ((cpp_reader *, const char *msgid, ...))
682 extern void cpp_notice PARAMS ((cpp_reader *, const char *msgid, ...))
684 extern void cpp_error_with_line PARAMS ((cpp_reader *, int, int, const char *msgid, ...))
686 extern void cpp_warning_with_line PARAMS ((cpp_reader *, int, int, const char *msgid, ...))
688 extern void cpp_pedwarn_with_line PARAMS ((cpp_reader *, int, int, const char *msgid, ...))
690 extern void cpp_pedwarn_with_file_and_line PARAMS ((cpp_reader *, const char *, int, int, const char *msgid, ...))
692 extern void cpp_error_from_errno PARAMS ((cpp_reader *, const char *));
693 extern void cpp_notice_from_errno PARAMS ((cpp_reader *, const char *));
696 extern cpp_buffer *cpp_push_buffer PARAMS ((cpp_reader *,
697 const unsigned char *, long));
698 extern cpp_buffer *cpp_pop_buffer PARAMS ((cpp_reader *));
699 extern void cpp_scan_buffer PARAMS ((cpp_reader *, cpp_printer *));
700 extern void cpp_scan_buffer_nooutput PARAMS ((cpp_reader *));
701 extern int cpp_ideq PARAMS ((const cpp_token *,
703 extern void cpp_printf PARAMS ((cpp_reader *, cpp_printer *,
706 extern void cpp_output_list PARAMS ((cpp_reader *, FILE *,
711 extern cpp_hashnode *cpp_lookup PARAMS ((cpp_reader *,
712 const unsigned char *, size_t));
713 extern void cpp_forall_identifiers PARAMS ((cpp_reader *,
714 int (*) PARAMS ((cpp_reader *,
717 extern void cpp_dump_definition PARAMS ((cpp_reader *, FILE *,
718 const cpp_hashnode *));
721 extern int cpp_included PARAMS ((cpp_reader *, const char *));
722 extern int cpp_read_file PARAMS ((cpp_reader *, const char *));
723 extern void cpp_make_system_header PARAMS ((cpp_reader *, cpp_buffer *, int));
724 extern const char *cpp_syshdr_flags PARAMS ((cpp_reader *, cpp_buffer *));
729 #endif /* __GCC_CPPLIB__ */