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
, /* "..." */
56 CPP_POP
/* We're about to pop the buffer stack. */
59 typedef enum cpp_token (*parse_underflow_t
) PARAMS((cpp_reader
*));
60 typedef int (*parse_cleanup_t
) PARAMS((cpp_buffer
*, cpp_reader
*));
62 extern void parse_set_mark
PARAMS ((cpp_reader
*));
63 extern void parse_clear_mark
PARAMS ((cpp_reader
*));
64 extern void parse_goto_mark
PARAMS ((cpp_reader
*));
66 extern int cpp_handle_option
PARAMS ((cpp_reader
*, int, char **));
67 extern int cpp_handle_options
PARAMS ((cpp_reader
*, int, char **));
68 extern enum cpp_token cpp_get_token
PARAMS ((cpp_reader
*));
69 extern void cpp_skip_hspace
PARAMS((cpp_reader
*));
70 extern enum cpp_token cpp_get_non_space_token
PARAMS ((cpp_reader
*));
72 /* This frees resources used by PFILE. */
73 extern void cpp_cleanup
PARAMS ((cpp_reader
*PFILE
));
77 unsigned char *cur
; /* current position */
78 unsigned char *rlimit
; /* end of valid data */
79 unsigned char *buf
; /* entire buffer */
80 unsigned char *alimit
; /* end of allocated buffer */
81 unsigned char *line_base
; /* start of current line */
83 struct cpp_buffer
*prev
;
85 /* Real filename. (Alias to ->ihash->fname, obsolete). */
87 /* Filename specified with #line command. */
88 const char *nominal_fname
;
89 /* Last filename specified with #line command. */
90 const char *last_nominal_fname
;
91 /* Actual directory of this file, used only for "" includes */
92 struct file_name_list
*actual_dir
;
94 /* Pointer into the include hash table. Used for include_next and
95 to record control macros. */
96 struct include_hash
*ihash
;
98 long lineno
; /* Line number at CPP_LINE_BASE. */
99 long colno
; /* Column number at CPP_LINE_BASE. */
100 long mark
; /* Saved position for lengthy backtrack. */
101 parse_underflow_t underflow
;
102 parse_cleanup_t cleanup
;
105 /* Value of if_stack at start of this file.
106 Used to prohibit unmatched #endif (etc) in an include file. */
107 struct if_stack
*if_stack
;
109 /* True if this is a header file included using <FILENAME>. */
110 char system_header_p
;
113 /* True if buffer contains escape sequences.
114 Currently there are two kinds:
115 "\r-" means following identifier should not be macro-expanded.
116 "\r " means a token-separator. This turns into " " in final output
117 if not stringizing and needed to separate tokens; otherwise nothing.
118 Any other two-character sequence beginning with \r is an error.
120 If this is NOT set, then \r is a one-character escape meaning backslash
121 newline. This is guaranteed not to occur in the middle of a token.
122 The two interpretations of \r do not conflict, because the two-character
123 escapes are used only in macro buffers, and backslash-newline is removed
124 from macro expansion text in collect_expansion and/or macarg. */
127 /* Used by the C++ frontend to implement redirected input (such as for
128 default argument and/or template parsing). */
131 /* True if we have already warned about C++ comments in this file.
132 The warning happens only for C89 extended mode with -pedantic on,
133 and only once per file (otherwise it would be far too noisy). */
134 char warned_cplusplus_comments
;
137 struct file_name_map_list
;
139 /* Maximum nesting of cpp_buffers. We use a static limit, partly for
140 efficiency, and partly to limit runaway recursion. */
141 #define CPP_STACK_MAX 200
143 /* A cpp_reader encapsulates the "state" of a pre-processor run.
144 Applying cpp_get_token repeatedly yields a stream of pre-processor
145 tokens. Usually, there is only one cpp_reader object active. */
149 parse_underflow_t get_token
;
153 /* A buffer used for both for cpp_get_token's output, and also internally. */
154 unsigned char *token_buffer
;
155 /* Allocated size of token_buffer. CPP_RESERVE allocates space. */
156 unsigned int token_buffer_size
;
157 /* End of the written part of token_buffer. */
158 unsigned char *limit
;
160 /* Error counter for exit code */
163 /* Line where a newline was first seen in a string constant. */
164 int multiline_string_line
;
166 /* Current depth in #include directives that use <...>. */
167 int system_include_depth
;
169 /* Current depth of buffer stack. */
170 int buffer_stack_depth
;
172 /* Hash table of macros and assertions. See cpphash.c */
173 #define HASHSIZE 1403
174 struct hashnode
**hashtab
;
176 /* Hash table of other included files. See cppfiles.c */
177 #define ALL_INCLUDE_HASHSIZE 71
178 struct include_hash
*all_include_files
[ALL_INCLUDE_HASHSIZE
];
180 /* Chain of `actual directory' file_name_list entries,
182 struct file_name_list
*actual_dirs
;
184 /* Current maximum length of directory names in the search path
185 for include files. (Altered as we get more of them.) */
186 unsigned int max_include_len
;
188 struct if_stack
*if_stack
;
190 /* Nonzero means we have printed (while error reporting) a list of
191 containing files that matches the current status. */
192 char input_stack_listing_current
;
194 /* If non-zero, macros are not expanded. */
195 char no_macro_expand
;
197 /* If non-zero, directives cause a hard error. Used when parsing
202 /* Print column number in error messages. */
205 /* We're printed a warning recommending against using #import. */
208 /* If true, character between '<' and '>' are a single (string) token. */
209 char parsing_include_directive
;
211 /* True if escape sequences (as described for has_escapes in
212 parse_buffer) should be emitted. */
215 /* 0: Have seen non-white-space on this line.
216 1: Only seen white space so far on this line.
217 2: Only seen white space so far in this file. */
218 char only_seen_white
;
220 /* Nonzero means this file was included with a -imacros or -include
221 command line and should not be recorded as an include file. */
229 /* Buffer of -M output. */
232 /* Number of bytes allocated in above. */
233 int deps_allocated_size
;
235 /* Number of bytes used. */
238 /* Number of bytes since the last newline. */
241 /* A buffer and a table, used only by read_and_prescan (in cppfiles.c)
242 which are allocated once per cpp_reader object to keep them off the
243 stack and avoid setup costs. */
244 U_CHAR
*input_buffer
;
245 U_CHAR
*input_speccase
;
246 size_t input_buffer_len
;
249 #define CPP_FATAL_LIMIT 1000
250 /* True if we have seen a "fatal" error. */
251 #define CPP_FATAL_ERRORS(READER) ((READER)->errors >= CPP_FATAL_LIMIT)
253 #define CPP_BUF_PEEK(BUFFER) \
254 ((BUFFER)->cur < (BUFFER)->rlimit ? *(BUFFER)->cur : EOF)
255 #define CPP_BUF_GET(BUFFER) \
256 ((BUFFER)->cur < (BUFFER)->rlimit ? *(BUFFER)->cur++ : EOF)
257 #define CPP_FORWARD(BUFFER, N) ((BUFFER)->cur += (N))
259 /* Macros for manipulating the token_buffer. */
261 #define CPP_OUT_BUFFER(PFILE) ((PFILE)->token_buffer)
263 /* Number of characters currently in PFILE's output buffer. */
264 #define CPP_WRITTEN(PFILE) ((size_t)((PFILE)->limit - (PFILE)->token_buffer))
265 #define CPP_PWRITTEN(PFILE) ((PFILE)->limit)
267 /* Make sure PFILE->token_buffer has space for at least N more characters. */
268 #define CPP_RESERVE(PFILE, N) \
269 (CPP_WRITTEN (PFILE) + (size_t)(N) > (PFILE)->token_buffer_size \
270 && (cpp_grow_buffer (PFILE, N), 0))
272 /* Append string STR (of length N) to PFILE's output buffer.
273 Assume there is enough space. */
274 #define CPP_PUTS_Q(PFILE, STR, N) \
275 (memcpy ((PFILE)->limit, STR, (N)), (PFILE)->limit += (N))
276 /* Append string STR (of length N) to PFILE's output buffer. Make space. */
277 #define CPP_PUTS(PFILE, STR, N) CPP_RESERVE(PFILE, N), CPP_PUTS_Q(PFILE, STR,N)
278 /* Append character CH to PFILE's output buffer. Assume sufficient space. */
279 #define CPP_PUTC_Q(PFILE, CH) (*(PFILE)->limit++ = (CH))
280 /* Append character CH to PFILE's output buffer. Make space if need be. */
281 #define CPP_PUTC(PFILE, CH) (CPP_RESERVE (PFILE, 1), CPP_PUTC_Q (PFILE, CH))
282 /* Make sure PFILE->limit is followed by '\0'. */
283 #define CPP_NUL_TERMINATE_Q(PFILE) (*(PFILE)->limit = 0)
284 #define CPP_NUL_TERMINATE(PFILE) (CPP_RESERVE(PFILE, 1), *(PFILE)->limit = 0)
285 #define CPP_ADJUST_WRITTEN(PFILE,DELTA) ((PFILE)->limit += (DELTA))
286 #define CPP_SET_WRITTEN(PFILE,N) ((PFILE)->limit = (PFILE)->token_buffer + (N))
288 /* Advance the current line by one. */
289 #define CPP_BUMP_BUFFER_LINE(PBUF) ((PBUF)->lineno++,\
290 (PBUF)->line_base = (PBUF)->cur)
291 #define CPP_BUMP_LINE(PFILE) CPP_BUMP_BUFFER_LINE(CPP_BUFFER(PFILE))
293 #define CPP_OPTIONS(PFILE) ((PFILE)->opts)
294 #define CPP_BUFFER(PFILE) ((PFILE)->buffer)
295 #define CPP_PREV_BUFFER(BUFFER) ((BUFFER)->prev)
296 /* The bottom of the buffer stack. */
297 #define CPP_NULL_BUFFER(PFILE) NULL
299 /* The `pending' structure accumulates all the options that are not
300 actually processed until we hit cpp_start_read. It consists of
301 several lists, one for each type of option. We keep both head and
302 tail pointers for quick insertion. */
305 struct pending_option
*define_head
, *define_tail
;
306 struct pending_option
*assert_head
, *assert_tail
;
308 struct file_name_list
*quote_head
, *quote_tail
;
309 struct file_name_list
*brack_head
, *brack_tail
;
310 struct file_name_list
*systm_head
, *systm_tail
;
311 struct file_name_list
*after_head
, *after_tail
;
313 struct pending_option
*imacros_head
, *imacros_tail
;
314 struct pending_option
*include_head
, *include_tail
;
317 /* Pointed to by cpp_reader.opts. */
321 /* Name of output file, for error messages. */
322 const char *out_fname
;
324 struct file_name_map_list
*map_list
;
326 /* Non-0 means -v, so print the full set of include dirs. */
329 /* Nonzero means use extra default include directories for C++. */
333 /* Nonzero means handle cplusplus style comments */
335 char cplusplus_comments
;
337 /* Nonzero means handle #import, for objective C. */
341 /* Nonzero means this is an assembly file, so ignore unrecognized
342 directives and the "# 33" form of #line, both of which are
343 probably comments. Also, permit unbalanced ' strings (again,
344 likely to be in comments). */
348 /* Nonzero means this is Fortran, and we don't know where the
349 comments are, so permit unbalanced ' strings. Unlike lang_asm,
350 this does not ignore unrecognized directives. */
354 /* Nonzero means handle CHILL comment syntax
355 and output CHILL string delimiter for __DATE___ etc. */
359 /* Nonzero means copy comments into the output file. */
361 char put_out_comments
;
363 /* Nonzero means process the ANSI trigraph sequences. */
367 /* Nonzero means print the names of included files rather than
368 the preprocessed output. 1 means just the #include "...",
369 2 means #include <...> as well. */
373 /* Nonzero if missing .h files in -M output are assumed to be generated
374 files and not errors. */
376 char print_deps_missing_files
;
378 /* If true, fopen (deps_file, "a") else fopen (deps_file, "w"). */
379 char print_deps_append
;
381 /* Nonzero means print names of header files (-H). */
383 char print_include_names
;
385 /* Nonzero means try to make failure to fit ANSI C an error. */
387 char pedantic_errors
;
389 /* Nonzero means don't print warning messages. -w. */
391 char inhibit_warnings
;
393 /* Nonzero means warn if slash-star appears in a comment. */
397 /* Nonzero means warn if there are any trigraphs. */
401 /* Nonzero means warn if #import is used. */
405 /* Nonzero means warn if a macro argument is (or would be)
406 stringified with -traditional. */
410 /* Nonzero means turn warnings into errors. */
412 char warnings_are_errors
;
414 /* Nonzero causes output not to be done,
415 but directives such as #define that have side effects
420 /* Nonzero means we should look for header.gcc files that remap file
424 /* Nonzero means don't output line number information. */
426 char no_line_commands
;
428 /* Nonzero means output the text in failing conditionals,
429 inside #failed ... #endfailed. */
431 char output_conditionals
;
433 /* Nonzero means -I- has been seen,
434 so don't look for #include "foo" the source-file directory. */
437 /* Zero means dollar signs are punctuation.
438 This used to be needed for conformance to the C Standard,
439 before the C Standard was corrected. */
440 char dollars_in_ident
;
442 /* Nonzero means try to imitate old fashioned non-ANSI preprocessor. */
445 /* Nonzero means warn if undefined identifiers are evaluated in an #if. */
448 /* Nonzero for the 1989 C Standard, including corrigenda and amendments. */
451 /* Nonzero for the 1999 C Standard, including corrigenda and amendments. */
454 /* Nonzero means give all the error messages the ANSI standard requires. */
457 /* Nonzero means we're looking at already preprocessed code, so don't
458 bother trying to do macro expansion and whatnot. */
461 char done_initializing
;
463 /* Search paths for include files. */
464 struct file_name_list
*quote_include
; /* First dir to search for "file" */
465 struct file_name_list
*bracket_include
;/* First dir to search for <file> */
467 /* Directory prefix that should replace `/usr/lib/gcc-lib/TARGET/VERSION'
468 in the standard include file directories. */
469 char *include_prefix
;
470 int include_prefix_len
;
472 char no_standard_includes
;
473 char no_standard_cplusplus_includes
;
475 /* dump_only means inhibit output of the preprocessed text
476 and instead output the definitions of all user-defined
477 macros in a form suitable for use as input to cccp.
478 dump_names means pass #define and the macro name through to output.
479 dump_definitions means pass the whole definition (plus #define) through
482 enum {dump_none
= 0, dump_only
, dump_names
, dump_definitions
}
485 /* Nonzero means pass all #define and #undef directives which we actually
486 process through to the output stream. This feature is used primarily
487 to allow cc1 to record the #defines and #undefs for the sake of
488 debuggers which understand about preprocessor macros, but it may
489 also be useful with -E to figure out how symbols are defined, and
490 where they are defined. */
493 /* Nonzero means pass #include lines through to the output,
494 even if they are ifdefed out. */
497 /* Pending options - -D, -U, -A, -I, -ixxx. */
498 struct cpp_pending
*pending
;
500 /* File name which deps are being written to.
501 This is 0 if deps are being written to stdout. */
504 /* Target-name to write with the dependency information. */
508 #define CPP_TRADITIONAL(PFILE) (CPP_OPTIONS(PFILE)-> traditional)
509 #define CPP_WARN_UNDEF(PFILE) (CPP_OPTIONS(PFILE)->warn_undef)
510 #define CPP_C89(PFILE) (CPP_OPTIONS(PFILE)->c89)
511 #define CPP_PEDANTIC(PFILE) (CPP_OPTIONS (PFILE)->pedantic)
512 #define CPP_PREPROCESSED(PFILE) (CPP_OPTIONS (PFILE)->preprocessed)
513 #define CPP_PRINT_DEPS(PFILE) (CPP_OPTIONS (PFILE)->print_deps)
515 /* List of directories to look for include files in. */
516 struct file_name_list
518 struct file_name_list
*next
;
519 struct file_name_list
*alloc
; /* for the cache of
520 current directory entries */
523 /* We use these to tell if the directory mentioned here is a duplicate
524 of an earlier directory on the search path. */
527 /* If the following is nonzero, it is a C-language system include
530 /* Mapping of file names for this directory.
531 Only used on MS-DOS and related platforms. */
532 struct file_name_map
*name_map
;
534 #define ABSOLUTE_PATH ((struct file_name_list *)-1)
536 /* This structure is used for the table of all includes. It is
537 indexed by the `short name' (the name as it appeared in the
538 #include statement) which is stored in *nshort. */
541 struct include_hash
*next
;
542 /* Next file with the same short name but a
543 different (partial) pathname). */
544 struct include_hash
*next_this_file
;
546 /* Location of the file in the include search path.
547 Used for include_next */
548 struct file_name_list
*foundhere
;
549 const char *name
; /* (partial) pathname of file */
550 const char *nshort
; /* name of file as referenced in #include */
551 const char *control_macro
; /* macro, if any, preventing reinclusion -
552 see redundant_include_p */
553 char *buf
, *limit
; /* for file content cache,
554 not yet implemented */
557 /* Name under which this program was invoked. */
559 extern const char *progname
;
561 /* The structure of a node in the hash table. The hash table
562 has entries for all tokens defined by #define commands (type T_MACRO),
563 plus some special tokens like __LINE__ (these each have their own
564 type, and the appropriate code is run when that type of node is seen.
565 It does not contain control words like "#define", which are recognized
566 by a separate piece of code. */
568 /* different flavors of hash nodes --- also used in keyword table */
570 T_DEFINE
= 1, /* the `#define' keyword */
571 T_INCLUDE
, /* the `#include' keyword */
572 T_INCLUDE_NEXT
, /* the `#include_next' keyword */
573 T_IMPORT
, /* the `#import' keyword */
574 T_IFDEF
, /* the `#ifdef' keyword */
575 T_IFNDEF
, /* the `#ifndef' keyword */
576 T_IF
, /* the `#if' keyword */
577 T_ELSE
, /* `#else' */
578 T_PRAGMA
, /* `#pragma' */
579 T_ELIF
, /* `#elif' */
580 T_UNDEF
, /* `#undef' */
581 T_LINE
, /* `#line' */
582 T_ERROR
, /* `#error' */
583 T_WARNING
, /* `#warning' */
584 T_ENDIF
, /* `#endif' */
585 T_SCCS
, /* `#sccs', used on system V. */
586 T_IDENT
, /* `#ident', used on system V. */
587 T_ASSERT
, /* `#assert', taken from system V. */
588 T_UNASSERT
, /* `#unassert', taken from system V. */
589 T_SPECLINE
, /* special symbol `__LINE__' */
590 T_DATE
, /* `__DATE__' */
591 T_FILE
, /* `__FILE__' */
592 T_BASE_FILE
, /* `__BASE_FILE__' */
593 T_INCLUDE_LEVEL
, /* `__INCLUDE_LEVEL__' */
594 T_VERSION
, /* `__VERSION__' */
595 T_TIME
, /* `__TIME__' */
596 T_STDC
, /* `__STDC__' */
597 T_CONST
, /* Constant string, used by `__SIZE_TYPE__' etc */
598 T_MACRO
, /* macro defined by `#define' */
599 T_DISABLED
, /* macro temporarily turned off for rescan */
600 T_PCSTRING
, /* precompiled string (hashval is KEYDEF *) */
601 T_POISON
, /* defined with `#pragma poison' */
602 T_UNUSED
/* Used for something not defined. */
605 /* Structure returned by create_definition */
606 typedef struct macrodef MACRODEF
;
609 struct definition
*defn
;
610 const U_CHAR
*symnam
;
614 /* Structure allocated for every #define. For a simple replacement
617 nargs = -1, the `pattern' list is null, and the expansion is just
618 the replacement text. Nargs = 0 means a functionlike macro with no args,
620 #define getchar() getc (stdin) .
621 When there are args, the expansion is the replacement text with the
622 args squashed out, and the reflist is a list describing how to
623 build the output from the input: e.g., "3 chars, then the 1st arg,
624 then 9 chars, then the 3rd arg, then 0 chars, then the 2nd arg".
625 The chars here come from the expansion. Whatever is left of the
626 expansion after the last arg-occurrence is copied after that arg.
627 Note that the reflist can be arbitrarily long---
628 its length depends on the number of times the arguments appear in
629 the replacement text, not how many args there are. Example:
630 #define f(x) x+x+x+x+x+x+x would have replacement text "++++++" and
632 { (0, 1), (1, 1), (1, 1), ..., (1, 1), NULL }
633 where (x, y) means (nchars, argno). */
635 typedef struct definition DEFINITION
;
638 int length
; /* length of expansion string */
639 int predefined
; /* True if the macro was builtin or */
640 /* came from the command line */
641 unsigned char *expansion
;
642 int line
; /* Line number of definition */
643 const char *file
; /* File of definition */
644 char rest_args
; /* Nonzero if last arg. absorbs the rest */
646 struct reflist
*next
;
647 char stringify
; /* nonzero if this arg was preceded by a
649 char raw_before
; /* Nonzero if a ## operator before arg. */
650 char raw_after
; /* Nonzero if a ## operator after arg. */
651 char rest_args
; /* Nonzero if this arg. absorbs the rest */
652 int nchars
; /* Number of literal chars to copy before
653 this arg occurrence. */
654 int argno
; /* Number of arg to substitute (origin-0) */
657 /* Names of macro args, concatenated in reverse order
658 with comma-space between them.
659 The only use of this is that we warn on redefinition
660 if this differs between the old and new definitions. */
661 unsigned char *argnames
;
665 /* Character classes.
666 If the definition of `numchar' looks odd to you, please look up the
667 definition of a pp-number in the C standard [section 6.4.8 of C99] */
668 #define ISidnum 0x01 /* a-zA-Z0-9_ */
669 #define ISidstart 0x02 /* _a-zA-Z */
670 #define ISnumstart 0x04 /* 0-9 */
671 #define IShspace 0x08 /* ' ' \t \f \v */
672 #define ISspace 0x10 /* ' ' \t \f \v \n */
674 #define is_idchar(x) (IStable[x] & ISidnum)
675 #define is_numchar(x) (IStable[x] & ISidnum)
676 #define is_idstart(x) (IStable[x] & ISidstart)
677 #define is_numstart(x) (IStable[x] & ISnumstart)
678 #define is_hspace(x) (IStable[x] & IShspace)
679 #define is_space(x) (IStable[x] & ISspace)
681 /* This table is not really `const', but it is only modified at
682 initialization time, in a separate translation unit from the rest
683 of the library. We let the rest of the library think it is `const'
684 to get better code and some additional compile-time checks. */
686 #define FAKE_CONST const
688 extern FAKE_CONST
unsigned char IStable
[256];
691 /* Stack of conditionals currently in progress
692 (including both successful and failing conditionals). */
695 struct if_stack
*next
; /* for chaining to the next stack frame */
696 const char *fname
; /* copied from input when frame is made */
697 int lineno
; /* similarly */
698 int if_succeeded
; /* true if a leg of this if-group
699 has been passed through rescan */
700 unsigned char *control_macro
; /* For #ifndef at start of file,
701 this is the macro name tested. */
702 enum node_type type
; /* type of last directive seen in this group */
704 typedef struct if_stack IF_STACK_FRAME
;
706 extern void cpp_buf_line_and_col
PARAMS((cpp_buffer
*, long *, long *));
707 extern cpp_buffer
* cpp_file_buffer
PARAMS((cpp_reader
*));
708 extern void cpp_define
PARAMS ((cpp_reader
*, unsigned char *));
709 extern void cpp_assert
PARAMS ((cpp_reader
*, unsigned char *));
710 extern void cpp_undef
PARAMS ((cpp_reader
*, unsigned char *));
711 extern void cpp_unassert
PARAMS ((cpp_reader
*, unsigned char *));
713 extern void cpp_error
PARAMS ((cpp_reader
*, const char *, ...))
715 extern void cpp_warning
PARAMS ((cpp_reader
*, const char *, ...))
717 extern void cpp_pedwarn
PARAMS ((cpp_reader
*, const char *, ...))
719 extern void cpp_error_with_line
PARAMS ((cpp_reader
*, int, int, const char *, ...))
721 extern void cpp_warning_with_line
PARAMS ((cpp_reader
*, int, int, const char *, ...))
723 extern void cpp_pedwarn_with_line
PARAMS ((cpp_reader
*, int, int, const char *, ...))
725 extern void cpp_pedwarn_with_file_and_line
PARAMS ((cpp_reader
*, const char *, int, const char *, ...))
727 extern void cpp_message_from_errno
PARAMS ((cpp_reader
*, int, const char *));
728 extern void cpp_error_from_errno
PARAMS ((cpp_reader
*, const char *));
729 extern void cpp_perror_with_name
PARAMS ((cpp_reader
*, const char *));
730 extern void v_cpp_message
PARAMS ((cpp_reader
*, int, const char *, va_list));
732 extern void cpp_grow_buffer
PARAMS ((cpp_reader
*, long));
733 extern cpp_buffer
*cpp_push_buffer
PARAMS ((cpp_reader
*,
734 unsigned char *, long));
735 extern cpp_buffer
*cpp_pop_buffer
PARAMS ((cpp_reader
*));
737 extern cpp_hashnode
*cpp_lookup
PARAMS ((cpp_reader
*, const unsigned char *,
739 extern void cpp_reader_init
PARAMS ((cpp_reader
*));
740 extern void cpp_options_init
PARAMS ((cpp_options
*));
741 extern int cpp_start_read
PARAMS ((cpp_reader
*, char *));
742 extern int cpp_read_check_assertion
PARAMS ((cpp_reader
*));
743 extern int scan_decls
PARAMS ((cpp_reader
*, int, char **));
744 extern void skip_rest_of_line
PARAMS ((cpp_reader
*));
745 extern void cpp_finish
PARAMS ((cpp_reader
*));
747 extern void quote_string
PARAMS ((cpp_reader
*, const char *));
748 extern void cpp_expand_to_buffer
PARAMS ((cpp_reader
*, const U_CHAR
*,
750 extern void cpp_scan_buffer
PARAMS ((cpp_reader
*));
751 extern int check_macro_name
PARAMS ((cpp_reader
*, const U_CHAR
*));
753 /* Last arg to output_line_command. */
754 enum file_change_code
{same_file
, enter_file
, leave_file
};
755 extern void output_line_command
PARAMS ((cpp_reader
*,
756 enum file_change_code
));
758 /* From cpperror.c */
759 extern void cpp_fatal
PARAMS ((cpp_reader
*, const char *, ...))
761 extern void cpp_message
PARAMS ((cpp_reader
*, int, const char *, ...))
763 extern void cpp_pfatal_with_name
PARAMS ((cpp_reader
*, const char *))
765 extern void cpp_file_line_for_message
PARAMS ((cpp_reader
*, const char *,
767 extern void cpp_print_containing_files
PARAMS ((cpp_reader
*));
768 extern void cpp_notice
PARAMS ((const char *msgid
, ...)) ATTRIBUTE_PRINTF_1
;
771 extern void simplify_pathname
PARAMS ((char *));
772 extern void merge_include_chains
PARAMS ((struct cpp_options
*));
773 extern int find_include_file
PARAMS ((cpp_reader
*, const char *,
774 struct file_name_list
*,
775 struct include_hash
**,
777 extern int finclude
PARAMS ((cpp_reader
*, int,
778 struct include_hash
*));
779 extern void deps_output
PARAMS ((cpp_reader
*,
781 extern struct include_hash
*include_hash
PARAMS ((cpp_reader
*, const char *, int));
783 #ifndef INCLUDE_LEN_FUDGE
784 #define INCLUDE_LEN_FUDGE 0
791 #endif /* __GCC_CPPLIB__ */