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 /* For complex reasons, cpp_reader is also typedefed in c-pragma.h. */
33 typedef struct cpp_reader cpp_reader;
35 typedef struct cpp_buffer cpp_buffer;
36 typedef struct cpp_options cpp_options;
37 typedef struct cpp_printer cpp_printer;
38 typedef struct cpp_token cpp_token;
39 typedef struct cpp_toklist cpp_toklist;
40 typedef struct cpp_string cpp_string;
41 typedef struct cpp_hashnode cpp_hashnode;
43 /* The first two groups, apart from '=', can appear in preprocessor
44 expressions. This allows a lookup table to be implemented in
47 The first group, to CPP_LAST_EQ, can be immediately followed by an
48 '='. The lexer needs operators ending in '=', like ">>=", to be in
49 the same order as their counterparts without the '=', like ">>". */
51 /* Positions in the table. */
52 #define CPP_LAST_EQ CPP_MAX
53 #define CPP_FIRST_DIGRAPH CPP_HASH
54 #define CPP_LAST_PUNCTUATOR CPP_DOT_STAR
59 OP(CPP_GREATER, ">") /* compare */ \
61 OP(CPP_PLUS, "+") /* math */ \
66 OP(CPP_AND, "&") /* bit ops */ \
69 OP(CPP_RSHIFT, ">>") \
70 OP(CPP_LSHIFT, "<<") \
71 OP(CPP_MIN, "<?") /* extension */ \
75 OP(CPP_AND_AND, "&&") /* logical */ \
79 OP(CPP_COMMA, ",") /* grouping */ \
80 OP(CPP_OPEN_PAREN, "(") \
81 OP(CPP_CLOSE_PAREN, ")") \
82 OP(CPP_EQ_EQ, "==") /* compare */ \
83 OP(CPP_NOT_EQ, "!=") \
84 OP(CPP_GREATER_EQ, ">=") \
85 OP(CPP_LESS_EQ, "<=") \
87 OP(CPP_PLUS_EQ, "+=") /* math */ \
88 OP(CPP_MINUS_EQ, "-=") \
89 OP(CPP_MULT_EQ, "*=") \
90 OP(CPP_DIV_EQ, "/=") \
91 OP(CPP_MOD_EQ, "%=") \
92 OP(CPP_AND_EQ, "&=") /* bit ops */ \
94 OP(CPP_XOR_EQ, "^=") \
95 OP(CPP_RSHIFT_EQ, ">>=") \
96 OP(CPP_LSHIFT_EQ, "<<=") \
97 OP(CPP_MIN_EQ, "<?=") /* extension */ \
98 OP(CPP_MAX_EQ, ">?=") \
99 /* Digraphs together, beginning with CPP_FIRST_DIGRAPH. */ \
100 OP(CPP_HASH, "#") /* digraphs */ \
101 OP(CPP_PASTE, "##") \
102 OP(CPP_OPEN_SQUARE, "[") \
103 OP(CPP_CLOSE_SQUARE, "]") \
104 OP(CPP_OPEN_BRACE, "{") \
105 OP(CPP_CLOSE_BRACE, "}") \
106 /* The remainder of the punctuation. Order is not significant. */ \
107 OP(CPP_SEMICOLON, ";") /* structure */ \
108 OP(CPP_ELLIPSIS, "...") \
109 OP(CPP_BACKSLASH, "\\") \
110 OP(CPP_PLUS_PLUS, "++") /* increment */ \
111 OP(CPP_MINUS_MINUS, "--") \
112 OP(CPP_DEREF, "->") /* accessors */ \
114 OP(CPP_SCOPE, "::") \
115 OP(CPP_DEREF_STAR, "->*") \
116 OP(CPP_DOT_STAR, ".*") \
117 OP(CPP_DEFINED, "defined") /* #if */ \
119 TK(CPP_NAME, SPELL_IDENT) /* word */ \
120 TK(CPP_INT, SPELL_STRING) /* 23 */ \
121 TK(CPP_FLOAT, SPELL_STRING) /* 3.14159 */ \
122 TK(CPP_NUMBER, SPELL_STRING) /* 34_be+ta */ \
124 TK(CPP_CHAR, SPELL_STRING) /* 'char' */ \
125 TK(CPP_WCHAR, SPELL_STRING) /* L'char' */ \
126 TK(CPP_OTHER, SPELL_CHAR) /* stray punctuation */ \
128 TK(CPP_STRING, SPELL_STRING) /* "string" */ \
129 TK(CPP_WSTRING, SPELL_STRING) /* L"string" */ \
130 TK(CPP_OSTRING, SPELL_STRING) /* @"string" - Objective C */ \
131 TK(CPP_HEADER_NAME, SPELL_STRING) /* <stdio.h> in #include */ \
133 TK(CPP_COMMENT, SPELL_STRING) /* Only if output comments. */ \
134 TK(CPP_MACRO_ARG, SPELL_NONE) /* Macro argument. */ \
135 TK(CPP_PLACEMARKER, SPELL_NONE) /* Placemarker token. */ \
136 TK(CPP_EOF, SPELL_NONE) /* End of file. */
148 /* Payload of a NUMBER, FLOAT, STRING, or COMMENT token. */
152 const unsigned char *text;
155 /* Flags for the cpp_token structure. */
156 #define PREV_WHITE (1 << 0) /* If whitespace before this token. */
157 #define BOL (1 << 1) /* Beginning of logical line. */
158 #define DIGRAPH (1 << 2) /* If it was a digraph. */
159 #define STRINGIFY_ARG (1 << 3) /* If macro argument to be stringified. */
160 #define PASTE_LEFT (1 << 4) /* If on LHS of a ## operator. */
161 #define PASTED (1 << 5) /* The result of a ## operator. */
162 #define NAMED_OP (1 << 6) /* C++ named operators, also "defined". */
163 #define VOID_REST (1 << 7) /* When a rest arg gets zero actual args. */
165 /* A preprocessing token. This has been carefully packed and should
166 occupy 16 bytes on 32-bit hosts and 24 bytes on 64-bit hosts. */
169 unsigned int line; /* starting line number of this token */
170 unsigned short col; /* starting column of this token */
171 ENUM_BITFIELD(cpp_ttype) type : CHAR_BIT; /* token type */
172 unsigned char flags; /* flags - see above */
176 HOST_WIDEST_INT integer; /* an integer */
177 struct cpp_hashnode *node; /* an identifier */
178 struct cpp_string str; /* a string, or number */
179 unsigned int aux; /* argument no. for a CPP_MACRO_ARG, or
180 character represented by CPP_OTHER. */
184 /* cpp_toklist flags. */
185 #define VAR_ARGS (1 << 0)
186 #define BEG_OF_FILE (1 << 1)
188 struct directive; /* These are deliberately incomplete. */
195 cpp_token *tokens; /* actual tokens as an array */
196 unsigned int tokens_used; /* tokens used */
197 unsigned int tokens_cap; /* tokens allocated */
199 unsigned char *namebuf; /* names buffer */
200 unsigned int name_used; /* _bytes_ used */
201 unsigned int name_cap; /* _bytes_ allocated */
203 /* If the list represents a directive, this points to it. */
204 const struct directive *directive;
206 const char *file; /* in file name */
207 unsigned int line; /* starting line number */
209 unsigned short params_len; /* length of macro parameter names. */
211 short int paramc; /* no. of macro params (-1 = obj-like). */
213 /* Per-list flags, see above */
214 unsigned short flags;
217 /* A standalone character. We may want to make it unsigned for the
218 same reason we use unsigned char - to avoid signedness issues. */
219 typedef int cppchar_t;
223 const unsigned char *cur; /* current position */
224 const unsigned char *rlimit; /* end of valid data */
225 const unsigned char *line_base; /* start of current line */
226 cppchar_t read_ahead; /* read ahead character */
227 cppchar_t extra_char; /* extra read-ahead for long tokens. */
229 struct cpp_reader *pfile; /* Owns this buffer. */
230 struct cpp_buffer *prev;
232 const unsigned char *buf; /* entire buffer */
234 /* Filename specified with #line command. */
235 const char *nominal_fname;
237 /* Actual directory of this file, used only for "" includes */
238 struct file_name_list *actual_dir;
240 /* Pointer into the include table. Used for include_next and
241 to record control macros. */
242 struct include_file *inc;
244 /* Value of if_stack at start of this file.
245 Used to prohibit unmatched #endif (etc) in an include file. */
246 struct if_stack *if_stack;
248 /* Token column position adjustment owing to tabs in whitespace. */
249 unsigned int col_adjust;
251 /* Line number at line_base (above). */
254 /* True if we have already warned about C++ comments in this file.
255 The warning happens only for C89 extended mode with -pedantic on,
256 or for -Wtraditional, and only once per file (otherwise it would
257 be far too noisy). */
258 char warned_cplusplus_comments;
261 struct file_name_map_list;
264 /* Maximum nesting of cpp_buffers. We use a static limit, partly for
265 efficiency, and partly to limit runaway recursion. */
266 #define CPP_STACK_MAX 200
268 /* Values for opts.dump_macros.
269 dump_only means inhibit output of the preprocessed text
270 and instead output the definitions of all user-defined
271 macros in a form suitable for use as input to cpp.
272 dump_names means pass #define and the macro name through to output.
273 dump_definitions means pass the whole definition (plus #define) through
275 enum { dump_none = 0, dump_only, dump_names, dump_definitions };
277 /* This structure is nested inside struct cpp_reader, and
278 carries all the options visible to the command line. */
281 /* Name of input and output files. */
282 const char *in_fname;
283 const char *out_fname;
285 /* Characters between tab stops. */
286 unsigned int tabstop;
288 /* Pending options - -D, -U, -A, -I, -ixxx. */
289 struct cpp_pending *pending;
291 /* File name which deps are being written to. This is 0 if deps are
292 being written to stdout. */
293 const char *deps_file;
295 /* Target-name to write with the dependency information. */
298 /* Search paths for include files. */
299 struct file_name_list *quote_include; /* First dir to search for "file" */
300 struct file_name_list *bracket_include;/* First dir to search for <file> */
302 /* Map between header names and file names, used only on DOS where
303 file names are limited in length. */
304 struct file_name_map_list *map_list;
306 /* Directory prefix that should replace `/usr/lib/gcc-lib/TARGET/VERSION'
307 in the standard include file directories. */
308 const char *include_prefix;
309 unsigned int include_prefix_len;
311 /* -fleading_underscore sets this to "_". */
312 const char *user_label_prefix;
314 /* Non-0 means -v, so print the full set of include dirs. */
315 unsigned char verbose;
317 /* Nonzero means use extra default include directories for C++. */
318 unsigned char cplusplus;
320 /* Nonzero means handle cplusplus style comments */
321 unsigned char cplusplus_comments;
323 /* Nonzero means handle #import, for objective C. */
326 /* Nonzero means this is an assembly file, so ignore unrecognized
327 directives and the "# 33" form of #line, both of which are
328 probably comments. Also, permit unbalanced ' strings (again,
329 likely to be in comments). */
330 unsigned char lang_asm;
332 /* Nonzero means don't copy comments into the output file. */
333 unsigned char discard_comments;
335 /* Nonzero means process the ISO trigraph sequences. */
336 unsigned char trigraphs;
338 /* Nonzero means process the ISO digraph sequences. */
339 unsigned char digraphs;
341 /* Nonzero means print the names of included files rather than the
342 preprocessed output. 1 means just the #include "...", 2 means
343 #include <...> as well. */
344 unsigned char print_deps;
346 /* Nonzero if missing .h files in -M output are assumed to be
347 generated files and not errors. */
348 unsigned char print_deps_missing_files;
350 /* If true, fopen (deps_file, "a") else fopen (deps_file, "w"). */
351 unsigned char print_deps_append;
353 /* Nonzero means print names of header files (-H). */
354 unsigned char print_include_names;
356 /* Nonzero means cpp_pedwarn causes a hard error. */
357 unsigned char pedantic_errors;
359 /* Nonzero means don't print warning messages. */
360 unsigned char inhibit_warnings;
362 /* Nonzero means don't suppress warnings from system headers. */
363 unsigned char warn_system_headers;
365 /* Nonzero means don't print error messages. Has no option to
366 select it, but can be set by a user of cpplib (e.g. fix-header). */
367 unsigned char inhibit_errors;
369 /* Nonzero means warn if slash-star appears in a comment. */
370 unsigned char warn_comments;
372 /* Nonzero means warn if there are any trigraphs. */
373 unsigned char warn_trigraphs;
375 /* Nonzero means warn if #import is used. */
376 unsigned char warn_import;
378 /* Nonzero means warn about various incompatibilities with
380 unsigned char warn_traditional;
382 /* Nonzero means warn if ## is applied to two tokens that cannot be
384 unsigned char warn_paste;
386 /* Nonzero means turn warnings into errors. */
387 unsigned char warnings_are_errors;
389 /* Nonzero causes output not to be done, but directives such as
390 #define that have side effects are still obeyed. */
391 unsigned char no_output;
393 /* Nonzero means we should look for header.gcc files that remap file
397 /* Nonzero means don't output line number information. */
398 unsigned char no_line_commands;
400 /* Nonzero means -I- has been seen, so don't look for #include "foo"
401 the source-file directory. */
402 unsigned char ignore_srcdir;
404 /* Zero means dollar signs are punctuation. */
405 unsigned char dollars_in_ident;
407 /* Nonzero means warn if undefined identifiers are evaluated in an #if. */
408 unsigned char warn_undef;
410 /* Nonzero for the 1989 C Standard, including corrigenda and amendments. */
413 /* Nonzero for the 1999 C Standard, including corrigenda and amendments. */
416 /* Nonzero means give all the error messages the ANSI standard requires. */
417 unsigned char pedantic;
419 /* Nonzero means we're looking at already preprocessed code, so don't
420 bother trying to do macro expansion and whatnot. */
421 unsigned char preprocessed;
423 /* Nonzero disables all the standard directories for headers. */
424 unsigned char no_standard_includes;
426 /* Nonzero disables the C++-specific standard directories for headers. */
427 unsigned char no_standard_cplusplus_includes;
429 /* Nonzero means dump macros in some fashion - see above. */
430 unsigned char dump_macros;
432 /* Nonzero means pass all #define and #undef directives which we
433 actually process through to the output stream. This feature is
434 used primarily to allow cc1 to record the #defines and #undefs
435 for the sake of debuggers which understand about preprocessor
436 macros, but it may also be useful with -E to figure out how
437 symbols are defined, and where they are defined. */
438 unsigned char debug_output;
440 /* Nonzero means pass #include lines through to the output. */
441 unsigned char dump_includes;
443 /* Print column number in error messages. */
444 unsigned char show_column;
449 /* Nonzero if first token on line is CPP_HASH. */
450 unsigned char in_directive;
452 /* Nonzero if the directive's # was not in the first column. Used
454 unsigned char indented;
456 /* Nonzero if in a directive that takes angle-bracketed headers. */
457 unsigned char angled_headers;
459 /* Nonzero to save comments. Turned off if discard_comments, and in
460 all directives apart from #define. */
461 unsigned char save_comments;
463 /* Nonzero to force the lexer to skip newlines. */
464 unsigned char skip_newlines;
466 /* Nonzero if we're in the subroutine lex_line. */
467 unsigned char in_lex_line;
469 /* Nonzero if we're mid-comment. */
470 unsigned char lexing_comment;
472 /* Tells parse_number we saw a leading period. */
473 unsigned char seen_dot;
475 #define IN_DIRECTIVE(pfile) (pfile->state.in_directive)
476 #define KNOWN_DIRECTIVE(list) (list->directive != 0)
478 /* A cpp_reader encapsulates the "state" of a pre-processor run.
479 Applying cpp_get_token repeatedly yields a stream of pre-processor
480 tokens. Usually, there is only one cpp_reader object active. */
484 /* Top of buffer stack. */
488 struct lexer_state state;
490 /* Error counter for exit code */
493 /* Line and column where a newline was first seen in a string
494 constant (multi-line strings). */
495 unsigned int mls_line;
496 unsigned int mls_column;
498 /* Current depth in #include directives that use <...>. */
499 unsigned int system_include_depth;
501 /* Current depth of buffer stack. */
502 unsigned int buffer_stack_depth;
504 /* Current depth in #include directives. */
505 unsigned int include_depth;
507 /* Hash table of macros and assertions. See cpphash.c */
508 struct htab *hashtab;
510 /* Tree of other included files. See cppfiles.c */
511 struct splay_tree_s *all_include_files;
513 /* Chain of `actual directory' file_name_list entries,
515 struct file_name_list *actual_dirs;
517 /* Current maximum length of directory names in the search path
518 for include files. (Altered as we get more of them.) */
519 unsigned int max_include_len;
521 /* Potential controlling macro for the current buffer. This is only
522 live between the #endif and the end of file, and there can only
523 be one at a time, so it is per-reader not per-buffer. */
524 const cpp_hashnode *potential_control_macro;
526 /* Token list used to store logical lines with new lexer. */
527 cpp_toklist token_list;
529 /* Temporary token store. */
530 cpp_token **temp_tokens;
531 unsigned int temp_cap;
532 unsigned int temp_alloced;
533 unsigned int temp_used;
535 /* Date and time tokens. Calculated together if either is requested. */
539 /* The # of a the current directive. It may not be first in line if
540 we append, and finding it is tedious. */
541 const cpp_token *first_directive_token;
543 /* Context stack. Used for macro expansion and for determining
544 which macros are disabled. */
545 unsigned int context_cap;
546 unsigned int cur_context;
547 unsigned int no_expand_level;
548 unsigned int paste_level;
549 struct cpp_context *contexts;
551 /* Current arguments when scanning arguments. Used for pointer
553 struct macro_args *args;
555 /* Buffer of -M output. */
558 /* Obstack holding all macro hash nodes. This never shrinks.
560 struct obstack *hash_ob;
562 /* Obstack holding buffer and conditional structures. This is a
563 real stack. See cpplib.c */
564 struct obstack *buffer_ob;
566 /* Pragma table - dynamic, because a library user can add to the
567 list of recognized pragmas. */
568 struct pragma_entry *pragmas;
572 void (*enter_file) PARAMS ((cpp_reader *));
573 void (*leave_file) PARAMS ((cpp_reader *));
574 void (*rename_file) PARAMS ((cpp_reader *));
575 void (*include) PARAMS ((cpp_reader *, const unsigned char *,
576 const unsigned char *, unsigned int, int));
577 void (*define) PARAMS ((cpp_reader *, cpp_hashnode *));
578 void (*undef) PARAMS ((cpp_reader *, cpp_hashnode *));
579 void (*poison) PARAMS ((cpp_reader *));
580 void (*ident) PARAMS ((cpp_reader *, const unsigned char *, unsigned int));
581 void (*def_pragma) PARAMS ((cpp_reader *));
584 /* User visible options. */
585 struct cpp_options opts;
587 /* Nonzero means we have printed (while error reporting) a list of
588 containing files that matches the current status. */
589 unsigned char input_stack_listing_current;
591 /* We're printed a warning recommending against using #import. */
592 unsigned char import_warning;
594 /* True after cpp_start_read completes. Used to inhibit some
595 warnings while parsing the command line. */
596 unsigned char done_initializing;
598 /* True if we are skipping a failed conditional group. */
599 unsigned char skipping;
601 /* True if we need to save parameter spellings - only if -pedantic,
602 or we might need to write out definitions. */
603 unsigned char save_parameter_spellings;
605 /* True if output_line_command needs to output a newline. */
606 unsigned char need_newline;
608 /* Special nodes - identifiers with predefined significance to the
610 struct spec_nodes *spec_nodes;
613 /* struct cpp_printer encapsulates state used to convert the stream of
614 tokens coming from cpp_get_token back into a text file. Not
615 everyone wants to do that, hence we separate the function. */
619 FILE *outf; /* stream to write to */
620 const char *last_fname; /* previous file name */
621 unsigned int lineno; /* line currently being written */
624 #define CPP_FATAL_LIMIT 1000
625 /* True if we have seen a "fatal" error. */
626 #define CPP_FATAL_ERRORS(READER) ((READER)->errors >= CPP_FATAL_LIMIT)
628 #define CPP_OPTION(PFILE, OPTION) ((PFILE)->opts.OPTION)
629 #define CPP_BUFFER(PFILE) ((PFILE)->buffer)
630 #define CPP_BUF_LINE(BUF) ((BUF)->lineno)
631 #define CPP_BUF_COLUMN(BUF, CUR) ((CUR) - (BUF)->line_base + (BUF)->col_adjust)
632 #define CPP_BUF_COL(BUF) CPP_BUF_COLUMN(BUF, (BUF)->cur)
634 /* Name under which this program was invoked. */
635 extern const char *progname;
637 /* The structure of a node in the hash table. The hash table
638 has entries for all tokens defined by #define commands (type T_MACRO),
639 plus some special tokens like __LINE__ (these each have their own
640 type, and the appropriate code is run when that type of node is seen.
641 It does not contain control words like "#define", which are recognized
642 by a separate piece of code. */
644 /* different flavors of hash nodes */
647 T_VOID = 0, /* no definition yet */
648 T_SPECLINE, /* `__LINE__' */
649 T_DATE, /* `__DATE__' */
650 T_FILE, /* `__FILE__' */
651 T_BASE_FILE, /* `__BASE_FILE__' */
652 T_INCLUDE_LEVEL, /* `__INCLUDE_LEVEL__' */
653 T_TIME, /* `__TIME__' */
654 T_STDC, /* `__STDC__' */
655 T_OPERATOR, /* operator with a name; val.code is token type */
656 T_POISON, /* poisoned identifier */
657 T_MACRO, /* a macro, either object-like or function-like */
658 T_ASSERTION /* predicate for #assert */
661 /* There is a slot in the hashnode for use by front ends when integrated
662 with cpplib. It holds a tree (see tree.h) but we mustn't drag that
663 header into every user of cpplib.h. cpplib does not do anything with
664 this slot except clear it when a new node is created. */
669 unsigned int hash; /* cached hash value */
670 unsigned short length; /* length of name */
671 ENUM_BITFIELD(node_type) type : 8; /* node type */
675 const cpp_toklist *expansion; /* a macro's replacement list. */
676 struct answer *answers; /* answers to an assertion. */
677 enum cpp_ttype code; /* code for a named operator. */
680 union tree_node *fe_value; /* front end value */
682 const unsigned char name[1]; /* name[length] */
685 extern void cpp_init PARAMS ((void));
686 extern int cpp_handle_options PARAMS ((cpp_reader *, int, char **));
687 extern int cpp_handle_option PARAMS ((cpp_reader *, int, char **));
688 extern void cpp_reader_init PARAMS ((cpp_reader *));
689 extern cpp_printer *cpp_printer_init PARAMS ((cpp_reader *, cpp_printer *));
691 extern void cpp_register_pragma PARAMS ((cpp_reader *,
692 const char *, const char *,
693 void (*) PARAMS ((cpp_reader *))));
694 extern void cpp_register_pragma_space PARAMS ((cpp_reader *, const char *));
696 extern int cpp_start_read PARAMS ((cpp_reader *, cpp_printer *, const char *));
697 extern void cpp_output_tokens PARAMS ((cpp_reader *, cpp_printer *,
699 extern void cpp_finish PARAMS ((cpp_reader *, cpp_printer *));
700 extern void cpp_cleanup PARAMS ((cpp_reader *));
702 extern const cpp_token *cpp_get_token PARAMS ((cpp_reader *));
704 extern void cpp_define PARAMS ((cpp_reader *, const char *));
705 extern void cpp_assert PARAMS ((cpp_reader *, const char *));
706 extern void cpp_undef PARAMS ((cpp_reader *, const char *));
707 extern void cpp_unassert PARAMS ((cpp_reader *, const char *));
709 extern void cpp_free_token_list PARAMS ((cpp_toklist *));
710 extern cpp_buffer *cpp_push_buffer PARAMS ((cpp_reader *,
711 const unsigned char *, long));
712 extern cpp_buffer *cpp_pop_buffer PARAMS ((cpp_reader *));
713 extern int cpp_defined PARAMS ((cpp_reader *, const unsigned char *, int));
715 /* N.B. The error-message-printer prototypes have not been nicely
716 formatted because exgettext needs to see 'msgid' on the same line
717 as the name of the function in order to work properly. Only the
718 string argument gets a name in an effort to keep the lines from
719 getting ridiculously oversized. */
721 extern void cpp_ice PARAMS ((cpp_reader *, const char *msgid, ...))
723 extern void cpp_fatal PARAMS ((cpp_reader *, const char *msgid, ...))
725 extern void cpp_error PARAMS ((cpp_reader *, const char *msgid, ...))
727 extern void cpp_warning PARAMS ((cpp_reader *, const char *msgid, ...))
729 extern void cpp_pedwarn PARAMS ((cpp_reader *, const char *msgid, ...))
731 extern void cpp_notice PARAMS ((cpp_reader *, const char *msgid, ...))
733 extern void cpp_error_with_line PARAMS ((cpp_reader *, int, int, const char *msgid, ...))
735 extern void cpp_warning_with_line PARAMS ((cpp_reader *, int, int, const char *msgid, ...))
737 extern void cpp_pedwarn_with_line PARAMS ((cpp_reader *, int, int, const char *msgid, ...))
739 extern void cpp_pedwarn_with_file_and_line PARAMS ((cpp_reader *, const char *, int, int, const char *msgid, ...))
741 extern void cpp_error_from_errno PARAMS ((cpp_reader *, const char *));
742 extern void cpp_notice_from_errno PARAMS ((cpp_reader *, const char *));
744 extern const char *cpp_type2name PARAMS ((enum cpp_ttype));
747 extern cpp_buffer *cpp_push_buffer PARAMS ((cpp_reader *,
748 const unsigned char *, long));
749 extern cpp_buffer *cpp_pop_buffer PARAMS ((cpp_reader *));
750 extern void cpp_scan_buffer PARAMS ((cpp_reader *, cpp_printer *));
751 extern void cpp_scan_buffer_nooutput PARAMS ((cpp_reader *));
752 extern int cpp_ideq PARAMS ((const cpp_token *,
754 extern void cpp_printf PARAMS ((cpp_reader *, cpp_printer *,
757 extern void cpp_output_list PARAMS ((cpp_reader *, FILE *,
762 extern cpp_hashnode *cpp_lookup PARAMS ((cpp_reader *,
763 const unsigned char *, size_t));
764 extern void cpp_forall_identifiers PARAMS ((cpp_reader *,
765 int (*) PARAMS ((cpp_reader *,
768 extern void cpp_dump_definition PARAMS ((cpp_reader *, FILE *,
769 const cpp_hashnode *));
772 extern int cpp_included PARAMS ((cpp_reader *, const char *));
773 extern int cpp_read_file PARAMS ((cpp_reader *, const char *));
774 extern void cpp_make_system_header PARAMS ((cpp_reader *, cpp_buffer *, int));
775 extern const char *cpp_syshdr_flags PARAMS ((cpp_reader *, cpp_buffer *));
780 #endif /* __GCC_CPPLIB__ */