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 unsigned char U_CHAR;
33 typedef struct cpp_reader cpp_reader;
34 typedef struct cpp_buffer cpp_buffer;
35 typedef struct cpp_options cpp_options;
36 typedef struct hashnode cpp_hashnode;
43 CPP_VSPACE, /* newlines and #line directives */
54 CPP_SEMICOLON,/* ";" */
55 CPP_3DOTS, /* "..." */
57 CPP_ANDAND, /* "&&" */
66 CPP_MINMIN, /* "--" */
68 /* POP_TOKEN is returned when we've popped a cpp_buffer. */
72 typedef enum cpp_token (*parse_underflow_t) PARAMS((cpp_reader *));
73 typedef int (*parse_cleanup_t) PARAMS((cpp_buffer *, cpp_reader *));
75 extern void parse_set_mark PARAMS ((cpp_reader *));
76 extern void parse_clear_mark PARAMS ((cpp_reader *));
77 extern void parse_goto_mark PARAMS ((cpp_reader *));
79 extern int cpp_handle_option PARAMS ((cpp_reader *, int, char **));
80 extern int cpp_handle_options PARAMS ((cpp_reader *, int, char **));
81 extern enum cpp_token cpp_get_token PARAMS ((cpp_reader *));
82 extern void cpp_skip_hspace PARAMS((cpp_reader *));
83 extern enum cpp_token cpp_get_non_space_token PARAMS ((cpp_reader *));
85 /* This frees resources used by PFILE. */
86 extern void cpp_cleanup PARAMS ((cpp_reader *PFILE));
90 unsigned char *cur; /* current position */
91 unsigned char *rlimit; /* end of valid data */
92 unsigned char *buf; /* entire buffer */
93 unsigned char *alimit; /* end of allocated buffer */
94 unsigned char *line_base; /* start of current line */
96 struct cpp_buffer *prev;
98 /* Real filename. (Alias to ->ihash->fname, obsolete). */
100 /* Filename specified with #line command. */
101 const char *nominal_fname;
102 /* Last filename specified with #line command. */
103 const char *last_nominal_fname;
104 /* Actual directory of this file, used only for "" includes */
105 struct file_name_list *actual_dir;
107 /* Pointer into the include hash table. Used for include_next and
108 to record control macros. */
109 struct include_hash *ihash;
111 long lineno; /* Line number at CPP_LINE_BASE. */
112 long colno; /* Column number at CPP_LINE_BASE. */
113 long mark; /* Saved position for lengthy backtrack. */
114 parse_underflow_t underflow;
115 parse_cleanup_t cleanup;
118 /* Value of if_stack at start of this file.
119 Used to prohibit unmatched #endif (etc) in an include file. */
120 struct if_stack *if_stack;
122 /* True if this is a header file included using <FILENAME>. */
123 char system_header_p;
126 /* True if buffer contains escape sequences.
127 Currently there are two kinds:
128 "\r-" means following identifier should not be macro-expanded.
129 "\r " means a token-separator. This turns into " " in final output
130 if not stringizing and needed to separate tokens; otherwise nothing.
131 Any other two-character sequence beginning with \r is an error.
133 If this is NOT set, then \r is a one-character escape meaning backslash
134 newline. This is guaranteed not to occur in the middle of a token.
135 The two interpretations of \r do not conflict, because the two-character
136 escapes are used only in macro buffers, and backslash-newline is removed
137 from macro expansion text in collect_expansion and/or macarg. */
140 /* Used by the C++ frontend to implement redirected input (such as for
141 default argument and/or template parsing). */
144 /* True if we have already warned about C++ comments in this file.
145 The warning happens only for C89 extended mode with -pedantic on,
146 and only once per file (otherwise it would be far too noisy). */
147 char warned_cplusplus_comments;
150 struct file_name_map_list;
152 /* Maximum nesting of cpp_buffers. We use a static limit, partly for
153 efficiency, and partly to limit runaway recursion. */
154 #define CPP_STACK_MAX 200
156 /* A cpp_reader encapsulates the "state" of a pre-processor run.
157 Applying cpp_get_token repeatedly yields a stream of pre-processor
158 tokens. Usually, there is only one cpp_reader object active. */
162 parse_underflow_t get_token;
166 /* A buffer used for both for cpp_get_token's output, and also internally. */
167 unsigned char *token_buffer;
168 /* Allocated size of token_buffer. CPP_RESERVE allocates space. */
169 unsigned int token_buffer_size;
170 /* End of the written part of token_buffer. */
171 unsigned char *limit;
173 /* Error counter for exit code */
176 /* Line where a newline was first seen in a string constant. */
177 int multiline_string_line;
179 /* Current depth in #include directives that use <...>. */
180 int system_include_depth;
182 /* Current depth of buffer stack. */
183 int buffer_stack_depth;
185 /* Hash table of macros and assertions. See cpphash.c */
186 #define HASHSIZE 1403
187 struct hashnode **hashtab;
189 /* Hash table of other included files. See cppfiles.c */
190 #define ALL_INCLUDE_HASHSIZE 71
191 struct include_hash *all_include_files[ALL_INCLUDE_HASHSIZE];
193 /* Chain of `actual directory' file_name_list entries,
195 struct file_name_list *actual_dirs;
197 /* Current maximum length of directory names in the search path
198 for include files. (Altered as we get more of them.) */
199 unsigned int max_include_len;
201 struct if_stack *if_stack;
203 /* Nonzero means we are inside an IF during a -pcp run. In this mode
204 macro expansion is done, and preconditions are output for all macro
205 uses requiring them. */
208 /* Nonzero means we have printed (while error reporting) a list of
209 containing files that matches the current status. */
210 char input_stack_listing_current;
212 /* If non-zero, macros are not expanded. */
213 char no_macro_expand;
215 /* If non-zero, directives cause a hard error. Used when parsing
220 /* Print column number in error messages. */
223 /* We're printed a warning recommending against using #import. */
226 /* If true, character between '<' and '>' are a single (string) token. */
227 char parsing_include_directive;
229 /* True if escape sequences (as described for has_escapes in
230 parse_buffer) should be emitted. */
233 /* 0: Have seen non-white-space on this line.
234 1: Only seen white space so far on this line.
235 2: Only seen white space so far in this file. */
236 char only_seen_white;
238 /* Nonzero means this file was included with a -imacros or -include
239 command line and should not be recorded as an include file. */
247 /* Buffer of -M output. */
250 /* Number of bytes allocated in above. */
251 int deps_allocated_size;
253 /* Number of bytes used. */
256 /* Number of bytes since the last newline. */
259 /* A buffer and a table, used only by read_and_prescan (in cppfiles.c)
260 which are allocated once per cpp_reader object to keep them off the
261 stack and avoid setup costs. */
262 U_CHAR *input_buffer;
263 U_CHAR *input_speccase;
264 size_t input_buffer_len;
267 #define CPP_FATAL_LIMIT 1000
268 /* True if we have seen a "fatal" error. */
269 #define CPP_FATAL_ERRORS(READER) ((READER)->errors >= CPP_FATAL_LIMIT)
271 #define CPP_BUF_PEEK(BUFFER) \
272 ((BUFFER)->cur < (BUFFER)->rlimit ? *(BUFFER)->cur : EOF)
273 #define CPP_BUF_GET(BUFFER) \
274 ((BUFFER)->cur < (BUFFER)->rlimit ? *(BUFFER)->cur++ : EOF)
275 #define CPP_FORWARD(BUFFER, N) ((BUFFER)->cur += (N))
277 /* Macros for manipulating the token_buffer. */
279 #define CPP_OUT_BUFFER(PFILE) ((PFILE)->token_buffer)
281 /* Number of characters currently in PFILE's output buffer. */
282 #define CPP_WRITTEN(PFILE) ((size_t)((PFILE)->limit - (PFILE)->token_buffer))
283 #define CPP_PWRITTEN(PFILE) ((PFILE)->limit)
285 /* Make sure PFILE->token_buffer has space for at least N more characters. */
286 #define CPP_RESERVE(PFILE, N) \
287 (CPP_WRITTEN (PFILE) + (size_t)(N) > (PFILE)->token_buffer_size \
288 && (cpp_grow_buffer (PFILE, N), 0))
290 /* Append string STR (of length N) to PFILE's output buffer.
291 Assume there is enough space. */
292 #define CPP_PUTS_Q(PFILE, STR, N) \
293 (memcpy ((PFILE)->limit, STR, (N)), (PFILE)->limit += (N))
294 /* Append string STR (of length N) to PFILE's output buffer. Make space. */
295 #define CPP_PUTS(PFILE, STR, N) CPP_RESERVE(PFILE, N), CPP_PUTS_Q(PFILE, STR,N)
296 /* Append character CH to PFILE's output buffer. Assume sufficient space. */
297 #define CPP_PUTC_Q(PFILE, CH) (*(PFILE)->limit++ = (CH))
298 /* Append character CH to PFILE's output buffer. Make space if need be. */
299 #define CPP_PUTC(PFILE, CH) (CPP_RESERVE (PFILE, 1), CPP_PUTC_Q (PFILE, CH))
300 /* Make sure PFILE->limit is followed by '\0'. */
301 #define CPP_NUL_TERMINATE_Q(PFILE) (*(PFILE)->limit = 0)
302 #define CPP_NUL_TERMINATE(PFILE) (CPP_RESERVE(PFILE, 1), *(PFILE)->limit = 0)
303 #define CPP_ADJUST_WRITTEN(PFILE,DELTA) ((PFILE)->limit += (DELTA))
304 #define CPP_SET_WRITTEN(PFILE,N) ((PFILE)->limit = (PFILE)->token_buffer + (N))
306 /* Advance the current line by one. */
307 #define CPP_BUMP_BUFFER_LINE(PBUF) ((PBUF)->lineno++,\
308 (PBUF)->line_base = (PBUF)->cur)
309 #define CPP_BUMP_LINE(PFILE) CPP_BUMP_BUFFER_LINE(CPP_BUFFER(PFILE))
311 #define CPP_OPTIONS(PFILE) ((PFILE)->opts)
312 #define CPP_BUFFER(PFILE) ((PFILE)->buffer)
313 #define CPP_PREV_BUFFER(BUFFER) ((BUFFER)->prev)
314 /* The bottom of the buffer stack. */
315 #define CPP_NULL_BUFFER(PFILE) NULL
317 /* The `pending' structure accumulates all the options that are not
318 actually processed until we hit cpp_start_read. It consists of
319 several lists, one for each type of option. We keep both head and
320 tail pointers for quick insertion. */
323 struct pending_option *define_head, *define_tail;
324 struct pending_option *assert_head, *assert_tail;
326 struct file_name_list *quote_head, *quote_tail;
327 struct file_name_list *brack_head, *brack_tail;
328 struct file_name_list *systm_head, *systm_tail;
329 struct file_name_list *after_head, *after_tail;
331 struct pending_option *imacros_head, *imacros_tail;
332 struct pending_option *include_head, *include_tail;
335 /* Pointed to by cpp_reader.opts. */
339 /* Name of output file, for error messages. */
340 const char *out_fname;
342 struct file_name_map_list *map_list;
344 /* Non-0 means -v, so print the full set of include dirs. */
347 /* Nonzero means use extra default include directories for C++. */
351 /* Nonzero means handle cplusplus style comments */
353 char cplusplus_comments;
355 /* Nonzero means handle #import, for objective C. */
359 /* Nonzero means this is an assembly file, so ignore unrecognized
360 directives and the "# 33" form of #line, both of which are
361 probably comments. Also, permit unbalanced ' strings (again,
362 likely to be in comments). */
366 /* Nonzero means this is Fortran, and we don't know where the
367 comments are, so permit unbalanced ' strings. Unlike lang_asm,
368 this does not ignore unrecognized directives. */
372 /* Nonzero means turn NOTREACHED into #pragma NOTREACHED etc */
376 /* Nonzero means handle CHILL comment syntax
377 and output CHILL string delimiter for __DATE___ etc. */
381 /* Nonzero means copy comments into the output file. */
383 char put_out_comments;
385 /* Nonzero means process the ANSI trigraph sequences. */
389 /* Nonzero means print the names of included files rather than
390 the preprocessed output. 1 means just the #include "...",
391 2 means #include <...> as well. */
395 /* Nonzero if missing .h files in -M output are assumed to be generated
396 files and not errors. */
398 char print_deps_missing_files;
400 /* If true, fopen (deps_file, "a") else fopen (deps_file, "w"). */
401 char print_deps_append;
403 /* Nonzero means print names of header files (-H). */
405 char print_include_names;
407 /* Nonzero means try to make failure to fit ANSI C an error. */
409 char pedantic_errors;
411 /* Nonzero means don't print warning messages. -w. */
413 char inhibit_warnings;
415 /* Nonzero means warn if slash-star appears in a comment. */
419 /* Nonzero means warn if there are any trigraphs. */
423 /* Nonzero means warn if #import is used. */
427 /* Nonzero means warn if a macro argument is (or would be)
428 stringified with -traditional. */
432 /* Nonzero means turn warnings into errors. */
434 char warnings_are_errors;
436 /* Nonzero causes output not to be done,
437 but directives such as #define that have side effects
442 /* Nonzero means we should look for header.gcc files that remap file
446 /* Nonzero means don't output line number information. */
448 char no_line_commands;
450 /* Nonzero means output the text in failing conditionals,
451 inside #failed ... #endfailed. */
453 char output_conditionals;
455 /* Nonzero means -I- has been seen,
456 so don't look for #include "foo" the source-file directory. */
459 /* Zero means dollar signs are punctuation.
460 This used to be needed for conformance to the C Standard,
461 before the C Standard was corrected. */
462 char dollars_in_ident;
464 /* Nonzero means try to imitate old fashioned non-ANSI preprocessor. */
467 /* Nonzero means warn if undefined identifiers are evaluated in an #if. */
470 /* Nonzero for the 1989 C Standard, including corrigenda and amendments. */
473 /* Nonzero for the 1999 C Standard, including corrigenda and amendments. */
476 /* Nonzero means give all the error messages the ANSI standard requires. */
479 /* Nonzero means we're looking at already preprocessed code, so don't
480 bother trying to do macro expansion and whatnot. */
483 char done_initializing;
485 /* Search paths for include files. */
486 struct file_name_list *quote_include; /* First dir to search for "file" */
487 struct file_name_list *bracket_include;/* First dir to search for <file> */
489 /* Directory prefix that should replace `/usr/lib/gcc-lib/TARGET/VERSION'
490 in the standard include file directories. */
491 char *include_prefix;
492 int include_prefix_len;
494 char no_standard_includes;
495 char no_standard_cplusplus_includes;
497 /* dump_only means inhibit output of the preprocessed text
498 and instead output the definitions of all user-defined
499 macros in a form suitable for use as input to cccp.
500 dump_names means pass #define and the macro name through to output.
501 dump_definitions means pass the whole definition (plus #define) through
504 enum {dump_none = 0, dump_only, dump_names, dump_definitions}
507 /* Nonzero means pass all #define and #undef directives which we actually
508 process through to the output stream. This feature is used primarily
509 to allow cc1 to record the #defines and #undefs for the sake of
510 debuggers which understand about preprocessor macros, but it may
511 also be useful with -E to figure out how symbols are defined, and
512 where they are defined. */
515 /* Nonzero means pass #include lines through to the output,
516 even if they are ifdefed out. */
519 /* Pending options - -D, -U, -A, -I, -ixxx. */
520 struct cpp_pending *pending;
522 /* File name which deps are being written to.
523 This is 0 if deps are being written to stdout. */
526 /* Target-name to write with the dependency information. */
530 #define CPP_TRADITIONAL(PFILE) (CPP_OPTIONS(PFILE)-> traditional)
531 #define CPP_WARN_UNDEF(PFILE) (CPP_OPTIONS(PFILE)->warn_undef)
532 #define CPP_C89(PFILE) (CPP_OPTIONS(PFILE)->c89)
533 #define CPP_PEDANTIC(PFILE) (CPP_OPTIONS (PFILE)->pedantic)
534 #define CPP_PREPROCESSED(PFILE) (CPP_OPTIONS (PFILE)->preprocessed)
535 #define CPP_PRINT_DEPS(PFILE) (CPP_OPTIONS (PFILE)->print_deps)
537 /* List of directories to look for include files in. */
538 struct file_name_list
540 struct file_name_list *next;
541 struct file_name_list *alloc; /* for the cache of
542 current directory entries */
545 /* We use these to tell if the directory mentioned here is a duplicate
546 of an earlier directory on the search path. */
549 /* If the following is nonzero, it is a C-language system include
552 /* Mapping of file names for this directory.
553 Only used on MS-DOS and related platforms. */
554 struct file_name_map *name_map;
556 #define ABSOLUTE_PATH ((struct file_name_list *)-1)
558 /* This structure is used for the table of all includes. It is
559 indexed by the `short name' (the name as it appeared in the
560 #include statement) which is stored in *nshort. */
563 struct include_hash *next;
564 /* Next file with the same short name but a
565 different (partial) pathname). */
566 struct include_hash *next_this_file;
568 /* Location of the file in the include search path.
569 Used for include_next */
570 struct file_name_list *foundhere;
571 const char *name; /* (partial) pathname of file */
572 const char *nshort; /* name of file as referenced in #include */
573 const char *control_macro; /* macro, if any, preventing reinclusion -
574 see redundant_include_p */
575 char *buf, *limit; /* for file content cache,
576 not yet implemented */
579 /* Name under which this program was invoked. */
581 extern const char *progname;
583 /* The structure of a node in the hash table. The hash table
584 has entries for all tokens defined by #define commands (type T_MACRO),
585 plus some special tokens like __LINE__ (these each have their own
586 type, and the appropriate code is run when that type of node is seen.
587 It does not contain control words like "#define", which are recognized
588 by a separate piece of code. */
590 /* different flavors of hash nodes --- also used in keyword table */
592 T_DEFINE = 1, /* the `#define' keyword */
593 T_INCLUDE, /* the `#include' keyword */
594 T_INCLUDE_NEXT, /* the `#include_next' keyword */
595 T_IMPORT, /* the `#import' keyword */
596 T_IFDEF, /* the `#ifdef' keyword */
597 T_IFNDEF, /* the `#ifndef' keyword */
598 T_IF, /* the `#if' keyword */
599 T_ELSE, /* `#else' */
600 T_PRAGMA, /* `#pragma' */
601 T_ELIF, /* `#elif' */
602 T_UNDEF, /* `#undef' */
603 T_LINE, /* `#line' */
604 T_ERROR, /* `#error' */
605 T_WARNING, /* `#warning' */
606 T_ENDIF, /* `#endif' */
607 T_SCCS, /* `#sccs', used on system V. */
608 T_IDENT, /* `#ident', used on system V. */
609 T_ASSERT, /* `#assert', taken from system V. */
610 T_UNASSERT, /* `#unassert', taken from system V. */
611 T_SPECLINE, /* special symbol `__LINE__' */
612 T_DATE, /* `__DATE__' */
613 T_FILE, /* `__FILE__' */
614 T_BASE_FILE, /* `__BASE_FILE__' */
615 T_INCLUDE_LEVEL, /* `__INCLUDE_LEVEL__' */
616 T_VERSION, /* `__VERSION__' */
617 T_TIME, /* `__TIME__' */
618 T_STDC, /* `__STDC__' */
619 T_CONST, /* Constant string, used by `__SIZE_TYPE__' etc */
620 T_MACRO, /* macro defined by `#define' */
621 T_DISABLED, /* macro temporarily turned off for rescan */
622 T_PCSTRING, /* precompiled string (hashval is KEYDEF *) */
623 T_POISON, /* defined with `#pragma poison' */
624 T_UNUSED /* Used for something not defined. */
627 /* Structure returned by create_definition */
628 typedef struct macrodef MACRODEF;
631 struct definition *defn;
632 const U_CHAR *symnam;
636 /* Structure allocated for every #define. For a simple replacement
639 nargs = -1, the `pattern' list is null, and the expansion is just
640 the replacement text. Nargs = 0 means a functionlike macro with no args,
642 #define getchar() getc (stdin) .
643 When there are args, the expansion is the replacement text with the
644 args squashed out, and the reflist is a list describing how to
645 build the output from the input: e.g., "3 chars, then the 1st arg,
646 then 9 chars, then the 3rd arg, then 0 chars, then the 2nd arg".
647 The chars here come from the expansion. Whatever is left of the
648 expansion after the last arg-occurrence is copied after that arg.
649 Note that the reflist can be arbitrarily long---
650 its length depends on the number of times the arguments appear in
651 the replacement text, not how many args there are. Example:
652 #define f(x) x+x+x+x+x+x+x would have replacement text "++++++" and
654 { (0, 1), (1, 1), (1, 1), ..., (1, 1), NULL }
655 where (x, y) means (nchars, argno). */
657 typedef struct definition DEFINITION;
660 int length; /* length of expansion string */
661 int predefined; /* True if the macro was builtin or */
662 /* came from the command line */
663 unsigned char *expansion;
664 int line; /* Line number of definition */
665 const char *file; /* File of definition */
666 char rest_args; /* Nonzero if last arg. absorbs the rest */
668 struct reflist *next;
669 char stringify; /* nonzero if this arg was preceded by a
671 char raw_before; /* Nonzero if a ## operator before arg. */
672 char raw_after; /* Nonzero if a ## operator after arg. */
673 char rest_args; /* Nonzero if this arg. absorbs the rest */
674 int nchars; /* Number of literal chars to copy before
675 this arg occurrence. */
676 int argno; /* Number of arg to substitute (origin-0) */
679 /* Names of macro args, concatenated in reverse order
680 with comma-space between them.
681 The only use of this is that we warn on redefinition
682 if this differs between the old and new definitions. */
683 unsigned char *argnames;
687 /* Character classes.
688 If the definition of `numchar' looks odd to you, please look up the
689 definition of a pp-number in the C standard [section 6.4.8 of C99] */
690 #define ISidnum 0x01 /* a-zA-Z0-9_ */
691 #define ISidstart 0x02 /* _a-zA-Z */
692 #define ISnumstart 0x04 /* 0-9 */
693 #define IShspace 0x08 /* ' ' \t \f \v */
694 #define ISspace 0x10 /* ' ' \t \f \v \n */
696 #define is_idchar(x) (IStable[x] & ISidnum)
697 #define is_numchar(x) (IStable[x] & ISidnum)
698 #define is_idstart(x) (IStable[x] & ISidstart)
699 #define is_numstart(x) (IStable[x] & ISnumstart)
700 #define is_hspace(x) (IStable[x] & IShspace)
701 #define is_space(x) (IStable[x] & ISspace)
703 /* This table is not really `const', but it is only modified at
704 initialization time, in a separate translation unit from the rest
705 of the library. We let the rest of the library think it is `const'
706 to get better code and some additional compile-time checks. */
708 #define FAKE_CONST const
710 extern FAKE_CONST unsigned char IStable[256];
713 /* Stack of conditionals currently in progress
714 (including both successful and failing conditionals). */
717 struct if_stack *next; /* for chaining to the next stack frame */
718 const char *fname; /* copied from input when frame is made */
719 int lineno; /* similarly */
720 int if_succeeded; /* true if a leg of this if-group
721 has been passed through rescan */
722 unsigned char *control_macro; /* For #ifndef at start of file,
723 this is the macro name tested. */
724 enum node_type type; /* type of last directive seen in this group */
726 typedef struct if_stack IF_STACK_FRAME;
728 extern void cpp_buf_line_and_col PARAMS((cpp_buffer *, long *, long *));
729 extern cpp_buffer* cpp_file_buffer PARAMS((cpp_reader *));
730 extern void cpp_define PARAMS ((cpp_reader *, unsigned char *));
731 extern void cpp_assert PARAMS ((cpp_reader *, unsigned char *));
732 extern void cpp_undef PARAMS ((cpp_reader *, unsigned char *));
733 extern void cpp_unassert PARAMS ((cpp_reader *, unsigned char *));
735 extern void cpp_error PARAMS ((cpp_reader *, const char *, ...))
737 extern void cpp_warning PARAMS ((cpp_reader *, const char *, ...))
739 extern void cpp_pedwarn PARAMS ((cpp_reader *, const char *, ...))
741 extern void cpp_error_with_line PARAMS ((cpp_reader *, int, int, const char *, ...))
743 extern void cpp_warning_with_line PARAMS ((cpp_reader *, int, int, const char *, ...))
745 extern void cpp_pedwarn_with_line PARAMS ((cpp_reader *, int, int, const char *, ...))
747 extern void cpp_pedwarn_with_file_and_line PARAMS ((cpp_reader *, const char *, int, const char *, ...))
749 extern void cpp_message_from_errno PARAMS ((cpp_reader *, int, const char *));
750 extern void cpp_error_from_errno PARAMS ((cpp_reader *, const char *));
751 extern void cpp_perror_with_name PARAMS ((cpp_reader *, const char *));
752 extern void v_cpp_message PARAMS ((cpp_reader *, int, const char *, va_list));
754 extern void cpp_grow_buffer PARAMS ((cpp_reader *, long));
755 extern cpp_buffer *cpp_push_buffer PARAMS ((cpp_reader *,
756 unsigned char *, long));
757 extern cpp_buffer *cpp_pop_buffer PARAMS ((cpp_reader *));
759 extern cpp_hashnode *cpp_lookup PARAMS ((cpp_reader *, const unsigned char *,
761 extern void cpp_reader_init PARAMS ((cpp_reader *));
762 extern void cpp_options_init PARAMS ((cpp_options *));
763 extern int cpp_start_read PARAMS ((cpp_reader *, char *));
764 extern int cpp_read_check_assertion PARAMS ((cpp_reader *));
765 extern int scan_decls PARAMS ((cpp_reader *, int, char **));
766 extern void skip_rest_of_line PARAMS ((cpp_reader *));
767 extern void cpp_finish PARAMS ((cpp_reader *));
769 extern void quote_string PARAMS ((cpp_reader *, const char *));
770 extern void cpp_expand_to_buffer PARAMS ((cpp_reader *, const U_CHAR *,
772 extern void cpp_scan_buffer PARAMS ((cpp_reader *));
773 extern int check_macro_name PARAMS ((cpp_reader *, const U_CHAR *));
775 /* Last arg to output_line_command. */
776 enum file_change_code {same_file, enter_file, leave_file};
777 extern void output_line_command PARAMS ((cpp_reader *,
778 enum file_change_code));
780 /* From cpperror.c */
781 extern void cpp_fatal PARAMS ((cpp_reader *, const char *, ...))
783 extern void cpp_message PARAMS ((cpp_reader *, int, const char *, ...))
785 extern void cpp_pfatal_with_name PARAMS ((cpp_reader *, const char *))
787 extern void cpp_file_line_for_message PARAMS ((cpp_reader *, const char *,
789 extern void cpp_print_containing_files PARAMS ((cpp_reader *));
790 extern void cpp_notice PARAMS ((const char *msgid, ...)) ATTRIBUTE_PRINTF_1;
793 extern void simplify_pathname PARAMS ((char *));
794 extern void merge_include_chains PARAMS ((struct cpp_options *));
795 extern int find_include_file PARAMS ((cpp_reader *, const char *,
796 struct file_name_list *,
797 struct include_hash **,
799 extern int finclude PARAMS ((cpp_reader *, int,
800 struct include_hash *));
801 extern void deps_output PARAMS ((cpp_reader *,
803 extern struct include_hash *include_hash PARAMS ((cpp_reader *, const char *, int));
805 #ifndef INCLUDE_LEN_FUDGE
806 #define INCLUDE_LEN_FUDGE 0
813 #endif /* __GCC_CPPLIB__ */