1 /* Definitions for CPP library.
2 Copyright (C) 1995, 1996, 1997, 1998, 1999 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). */
145 struct file_name_map_list
;
147 /* Maximum nesting of cpp_buffers. We use a static limit, partly for
148 efficiency, and partly to limit runaway recursion. */
149 #define CPP_STACK_MAX 200
151 /* A cpp_reader encapsulates the "state" of a pre-processor run.
152 Applying cpp_get_token repeatedly yields a stream of pre-processor
153 tokens. Usually, there is only one cpp_reader object active. */
157 parse_underflow_t get_token
;
161 /* A buffer used for both for cpp_get_token's output, and also internally. */
162 unsigned char *token_buffer
;
163 /* Allocated size of token_buffer. CPP_RESERVE allocates space. */
164 unsigned int token_buffer_size
;
165 /* End of the written part of token_buffer. */
166 unsigned char *limit
;
168 /* Error counter for exit code */
171 /* Line where a newline was first seen in a string constant. */
172 int multiline_string_line
;
174 /* Current depth in #include directives that use <...>. */
175 int system_include_depth
;
177 /* Current depth of buffer stack. */
178 int buffer_stack_depth
;
180 /* Hash table of macros and assertions. See cpphash.c */
181 #define HASHSIZE 1403
182 struct hashnode
**hashtab
;
184 /* Hash table of other included files. See cppfiles.c */
185 #define ALL_INCLUDE_HASHSIZE 71
186 struct include_hash
*all_include_files
[ALL_INCLUDE_HASHSIZE
];
188 /* Chain of `actual directory' file_name_list entries,
190 struct file_name_list
*actual_dirs
;
192 /* Current maximum length of directory names in the search path
193 for include files. (Altered as we get more of them.) */
194 unsigned int max_include_len
;
196 struct if_stack
*if_stack
;
198 /* Nonzero means we are inside an IF during a -pcp run. In this mode
199 macro expansion is done, and preconditions are output for all macro
200 uses requiring them. */
203 /* Nonzero means we have printed (while error reporting) a list of
204 containing files that matches the current status. */
205 char input_stack_listing_current
;
207 /* If non-zero, macros are not expanded. */
208 char no_macro_expand
;
210 /* Print column number in error messages. */
213 /* We're printed a warning recommending against using #import. */
216 /* If true, character between '<' and '>' are a single (string) token. */
217 char parsing_include_directive
;
219 /* True if escape sequences (as described for has_escapes in
220 parse_buffer) should be emitted. */
223 /* 0: Have seen non-white-space on this line.
224 1: Only seen white space so far on this line.
225 2: Only seen white space so far in this file. */
226 char only_seen_white
;
228 /* Nonzero means this file was included with a -imacros or -include
229 command line and should not be recorded as an include file. */
237 /* Buffer of -M output. */
240 /* Number of bytes allocated in above. */
241 int deps_allocated_size
;
243 /* Number of bytes used. */
246 /* Number of bytes since the last newline. */
249 /* A buffer and a table, used only by read_and_prescan (in cppfiles.c)
250 which are allocated once per cpp_reader object to keep them off the
251 stack and avoid setup costs. */
252 U_CHAR
*input_buffer
;
253 U_CHAR
*input_speccase
;
254 size_t input_buffer_len
;
257 #define CPP_FATAL_LIMIT 1000
258 /* True if we have seen a "fatal" error. */
259 #define CPP_FATAL_ERRORS(READER) ((READER)->errors >= CPP_FATAL_LIMIT)
261 #define CPP_BUF_PEEK(BUFFER) \
262 ((BUFFER)->cur < (BUFFER)->rlimit ? *(BUFFER)->cur : EOF)
263 #define CPP_BUF_GET(BUFFER) \
264 ((BUFFER)->cur < (BUFFER)->rlimit ? *(BUFFER)->cur++ : EOF)
265 #define CPP_FORWARD(BUFFER, N) ((BUFFER)->cur += (N))
267 /* Macros for manipulating the token_buffer. */
269 #define CPP_OUT_BUFFER(PFILE) ((PFILE)->token_buffer)
271 /* Number of characters currently in PFILE's output buffer. */
272 #define CPP_WRITTEN(PFILE) ((size_t)((PFILE)->limit - (PFILE)->token_buffer))
273 #define CPP_PWRITTEN(PFILE) ((PFILE)->limit)
275 /* Make sure PFILE->token_buffer has space for at least N more characters. */
276 #define CPP_RESERVE(PFILE, N) \
277 (CPP_WRITTEN (PFILE) + (size_t)(N) > (PFILE)->token_buffer_size \
278 && (cpp_grow_buffer (PFILE, N), 0))
280 /* Append string STR (of length N) to PFILE's output buffer.
281 Assume there is enough space. */
282 #define CPP_PUTS_Q(PFILE, STR, N) \
283 (memcpy ((PFILE)->limit, STR, (N)), (PFILE)->limit += (N))
284 /* Append string STR (of length N) to PFILE's output buffer. Make space. */
285 #define CPP_PUTS(PFILE, STR, N) CPP_RESERVE(PFILE, N), CPP_PUTS_Q(PFILE, STR,N)
286 /* Append character CH to PFILE's output buffer. Assume sufficient space. */
287 #define CPP_PUTC_Q(PFILE, CH) (*(PFILE)->limit++ = (CH))
288 /* Append character CH to PFILE's output buffer. Make space if need be. */
289 #define CPP_PUTC(PFILE, CH) (CPP_RESERVE (PFILE, 1), CPP_PUTC_Q (PFILE, CH))
290 /* Make sure PFILE->limit is followed by '\0'. */
291 #define CPP_NUL_TERMINATE_Q(PFILE) (*(PFILE)->limit = 0)
292 #define CPP_NUL_TERMINATE(PFILE) (CPP_RESERVE(PFILE, 1), *(PFILE)->limit = 0)
293 #define CPP_ADJUST_WRITTEN(PFILE,DELTA) ((PFILE)->limit += (DELTA))
294 #define CPP_SET_WRITTEN(PFILE,N) ((PFILE)->limit = (PFILE)->token_buffer + (N))
296 /* Advance the current line by one. */
297 #define CPP_BUMP_BUFFER_LINE(PBUF) ((PBUF)->lineno++,\
298 (PBUF)->line_base = (PBUF)->cur)
299 #define CPP_BUMP_LINE(PFILE) CPP_BUMP_BUFFER_LINE(CPP_BUFFER(PFILE))
301 #define CPP_OPTIONS(PFILE) ((PFILE)->opts)
302 #define CPP_BUFFER(PFILE) ((PFILE)->buffer)
303 #define CPP_PREV_BUFFER(BUFFER) ((BUFFER)->prev)
304 /* The bottom of the buffer stack. */
305 #define CPP_NULL_BUFFER(PFILE) NULL
307 /* The `pending' structure accumulates all the options that are not
308 actually processed until we hit cpp_start_read. It consists of
309 several lists, one for each type of option. We keep both head and
310 tail pointers for quick insertion. */
313 struct pending_option
*define_head
, *define_tail
;
314 struct pending_option
*assert_head
, *assert_tail
;
316 struct file_name_list
*quote_head
, *quote_tail
;
317 struct file_name_list
*brack_head
, *brack_tail
;
318 struct file_name_list
*systm_head
, *systm_tail
;
319 struct file_name_list
*after_head
, *after_tail
;
321 struct pending_option
*imacros_head
, *imacros_tail
;
322 struct pending_option
*include_head
, *include_tail
;
325 /* Pointed to by cpp_reader.opts. */
329 /* Name of output file, for error messages. */
330 const char *out_fname
;
332 struct file_name_map_list
*map_list
;
334 /* Non-0 means -v, so print the full set of include dirs. */
337 /* Nonzero means use extra default include directories for C++. */
341 /* Nonzero means handle cplusplus style comments */
343 char cplusplus_comments
;
345 /* Nonzero means handle #import, for objective C. */
349 /* Nonzero means this is an assembly file, and allow
350 unknown directives, which could be comments. */
354 /* Nonzero means turn NOTREACHED into #pragma NOTREACHED etc */
358 /* Nonzero means handle CHILL comment syntax
359 and output CHILL string delimiter for __DATE___ etc. */
363 /* Nonzero means copy comments into the output file. */
365 char put_out_comments
;
367 /* Nonzero means process the ANSI trigraph sequences. */
371 /* Nonzero means print the names of included files rather than
372 the preprocessed output. 1 means just the #include "...",
373 2 means #include <...> as well. */
377 /* Nonzero if missing .h files in -M output are assumed to be generated
378 files and not errors. */
380 char print_deps_missing_files
;
382 /* If true, fopen (deps_file, "a") else fopen (deps_file, "w"). */
383 char print_deps_append
;
385 /* Nonzero means print names of header files (-H). */
387 char print_include_names
;
389 /* Nonzero means try to make failure to fit ANSI C an error. */
391 char pedantic_errors
;
393 /* Nonzero means don't print warning messages. -w. */
395 char inhibit_warnings
;
397 /* Nonzero means warn if slash-star appears in a comment. */
401 /* Nonzero means warn if there are any trigraphs. */
405 /* Nonzero means warn if #import is used. */
409 /* Nonzero means warn if a macro argument is (or would be)
410 stringified with -traditional. */
414 /* Nonzero means turn warnings into errors. */
416 char warnings_are_errors
;
418 /* Nonzero causes output not to be done,
419 but directives such as #define that have side effects
424 /* Nonzero means we should look for header.gcc files that remap file
428 /* Nonzero means don't output line number information. */
430 char no_line_commands
;
432 /* Nonzero means output the text in failing conditionals,
433 inside #failed ... #endfailed. */
435 char output_conditionals
;
437 /* Nonzero means -I- has been seen,
438 so don't look for #include "foo" the source-file directory. */
441 /* Zero means dollar signs are punctuation.
442 This used to be needed for conformance to the C Standard,
443 before the C Standard was corrected. */
444 char dollars_in_ident
;
446 /* Nonzero means try to imitate old fashioned non-ANSI preprocessor. */
449 /* Nonzero means warn if undefined identifiers are evaluated in an #if. */
452 /* Nonzero for the 1989 C Standard, including corrigenda and amendments. */
455 /* Nonzero for the 199x C Standard, including corrigenda and amendments. */
458 /* Nonzero means give all the error messages the ANSI standard requires. */
461 /* Nonzero means we're looking at already preprocessed code, so don't
462 bother trying to do macro expansion and whatnot. */
465 char done_initializing
;
467 /* Search paths for include files. */
468 struct file_name_list
*quote_include
; /* First dir to search for "file" */
469 struct file_name_list
*bracket_include
;/* First dir to search for <file> */
471 /* Directory prefix that should replace `/usr/lib/gcc-lib/TARGET/VERSION'
472 in the standard include file directories. */
473 char *include_prefix
;
474 int include_prefix_len
;
476 char no_standard_includes
;
477 char no_standard_cplusplus_includes
;
479 /* dump_only means inhibit output of the preprocessed text
480 and instead output the definitions of all user-defined
481 macros in a form suitable for use as input to cccp.
482 dump_names means pass #define and the macro name through to output.
483 dump_definitions means pass the whole definition (plus #define) through
486 enum {dump_none
= 0, dump_only
, dump_names
, dump_definitions
}
489 /* Nonzero means pass all #define and #undef directives which we actually
490 process through to the output stream. This feature is used primarily
491 to allow cc1 to record the #defines and #undefs for the sake of
492 debuggers which understand about preprocessor macros, but it may
493 also be useful with -E to figure out how symbols are defined, and
494 where they are defined. */
497 /* Nonzero means pass #include lines through to the output,
498 even if they are ifdefed out. */
501 /* Pending options - -D, -U, -A, -I, -ixxx. */
502 struct cpp_pending
*pending
;
504 /* File name which deps are being written to.
505 This is 0 if deps are being written to stdout. */
508 /* Target-name to write with the dependency information. */
512 #define CPP_TRADITIONAL(PFILE) (CPP_OPTIONS(PFILE)-> traditional)
513 #define CPP_WARN_UNDEF(PFILE) (CPP_OPTIONS(PFILE)->warn_undef)
514 #define CPP_C89(PFILE) (CPP_OPTIONS(PFILE)->c89)
515 #define CPP_PEDANTIC(PFILE) (CPP_OPTIONS (PFILE)->pedantic)
516 #define CPP_PREPROCESSED(PFILE) (CPP_OPTIONS (PFILE)->preprocessed)
517 #define CPP_PRINT_DEPS(PFILE) (CPP_OPTIONS (PFILE)->print_deps)
519 /* List of directories to look for include files in. */
520 struct file_name_list
522 struct file_name_list
*next
;
523 struct file_name_list
*alloc
; /* for the cache of
524 current directory entries */
527 /* We use these to tell if the directory mentioned here is a duplicate
528 of an earlier directory on the search path. */
531 /* If the following is nonzero, it is a C-language system include
534 /* Mapping of file names for this directory.
535 Only used on MS-DOS and related platforms. */
536 struct file_name_map
*name_map
;
538 #define ABSOLUTE_PATH ((struct file_name_list *)-1)
540 /* This structure is used for the table of all includes. It is
541 indexed by the `short name' (the name as it appeared in the
542 #include statement) which is stored in *nshort. */
545 struct include_hash
*next
;
546 /* Next file with the same short name but a
547 different (partial) pathname). */
548 struct include_hash
*next_this_file
;
550 /* Location of the file in the include search path.
551 Used for include_next */
552 struct file_name_list
*foundhere
;
553 const char *name
; /* (partial) pathname of file */
554 const char *nshort
; /* name of file as referenced in #include */
555 const char *control_macro
; /* macro, if any, preventing reinclusion -
556 see redundant_include_p */
557 char *buf
, *limit
; /* for file content cache,
558 not yet implemented */
561 /* Name under which this program was invoked. */
563 extern const char *progname
;
565 /* The structure of a node in the hash table. The hash table
566 has entries for all tokens defined by #define commands (type T_MACRO),
567 plus some special tokens like __LINE__ (these each have their own
568 type, and the appropriate code is run when that type of node is seen.
569 It does not contain control words like "#define", which are recognized
570 by a separate piece of code. */
572 /* different flavors of hash nodes --- also used in keyword table */
574 T_DEFINE
= 1, /* the `#define' keyword */
575 T_INCLUDE
, /* the `#include' keyword */
576 T_INCLUDE_NEXT
, /* the `#include_next' keyword */
577 T_IMPORT
, /* the `#import' keyword */
578 T_IFDEF
, /* the `#ifdef' keyword */
579 T_IFNDEF
, /* the `#ifndef' keyword */
580 T_IF
, /* the `#if' keyword */
581 T_ELSE
, /* `#else' */
582 T_PRAGMA
, /* `#pragma' */
583 T_ELIF
, /* `#elif' */
584 T_UNDEF
, /* `#undef' */
585 T_LINE
, /* `#line' */
586 T_ERROR
, /* `#error' */
587 T_WARNING
, /* `#warning' */
588 T_ENDIF
, /* `#endif' */
589 T_SCCS
, /* `#sccs', used on system V. */
590 T_IDENT
, /* `#ident', used on system V. */
591 T_ASSERT
, /* `#assert', taken from system V. */
592 T_UNASSERT
, /* `#unassert', taken from system V. */
593 T_SPECLINE
, /* special symbol `__LINE__' */
594 T_DATE
, /* `__DATE__' */
595 T_FILE
, /* `__FILE__' */
596 T_BASE_FILE
, /* `__BASE_FILE__' */
597 T_INCLUDE_LEVEL
, /* `__INCLUDE_LEVEL__' */
598 T_VERSION
, /* `__VERSION__' */
599 T_TIME
, /* `__TIME__' */
600 T_STDC
, /* `__STDC__' */
601 T_CONST
, /* Constant string, used by `__SIZE_TYPE__' etc */
602 T_MACRO
, /* macro defined by `#define' */
603 T_DISABLED
, /* macro temporarily turned off for rescan */
604 T_PCSTRING
, /* precompiled string (hashval is KEYDEF *) */
605 T_POISON
, /* defined with `#pragma poison' */
606 T_UNUSED
/* Used for something not defined. */
609 /* Structure returned by create_definition */
610 typedef struct macrodef MACRODEF
;
613 struct definition
*defn
;
614 const U_CHAR
*symnam
;
618 /* Structure allocated for every #define. For a simple replacement
621 nargs = -1, the `pattern' list is null, and the expansion is just
622 the replacement text. Nargs = 0 means a functionlike macro with no args,
624 #define getchar() getc (stdin) .
625 When there are args, the expansion is the replacement text with the
626 args squashed out, and the reflist is a list describing how to
627 build the output from the input: e.g., "3 chars, then the 1st arg,
628 then 9 chars, then the 3rd arg, then 0 chars, then the 2nd arg".
629 The chars here come from the expansion. Whatever is left of the
630 expansion after the last arg-occurrence is copied after that arg.
631 Note that the reflist can be arbitrarily long---
632 its length depends on the number of times the arguments appear in
633 the replacement text, not how many args there are. Example:
634 #define f(x) x+x+x+x+x+x+x would have replacement text "++++++" and
636 { (0, 1), (1, 1), (1, 1), ..., (1, 1), NULL }
637 where (x, y) means (nchars, argno). */
639 typedef struct definition DEFINITION
;
642 int length
; /* length of expansion string */
643 int predefined
; /* True if the macro was builtin or */
644 /* came from the command line */
645 unsigned char *expansion
;
646 int line
; /* Line number of definition */
647 const char *file
; /* File of definition */
648 char rest_args
; /* Nonzero if last arg. absorbs the rest */
650 struct reflist
*next
;
651 char stringify
; /* nonzero if this arg was preceded by a
653 char raw_before
; /* Nonzero if a ## operator before arg. */
654 char raw_after
; /* Nonzero if a ## operator after arg. */
655 char rest_args
; /* Nonzero if this arg. absorbs the rest */
656 int nchars
; /* Number of literal chars to copy before
657 this arg occurrence. */
658 int argno
; /* Number of arg to substitute (origin-0) */
661 /* Names of macro args, concatenated in reverse order
662 with comma-space between them.
663 The only use of this is that we warn on redefinition
664 if this differs between the old and new definitions. */
665 unsigned char *argnames
;
669 /* Character classes.
670 If the definition of `numchar' looks odd to you, please look up the
671 definition of a pp-number in the C standard [section 6.4.8 of C99] */
672 #define ISidnum 0x01 /* a-zA-Z0-9_ */
673 #define ISidstart 0x02 /* _a-zA-Z */
674 #define ISnumstart 0x04 /* 0-9 */
675 #define IShspace 0x08 /* ' ' \t \f \v */
676 #define ISspace 0x10 /* ' ' \t \f \v \n */
678 #define is_idchar(x) (IStable[x] & ISidnum)
679 #define is_numchar(x) (IStable[x] & ISidnum)
680 #define is_idstart(x) (IStable[x] & ISidstart)
681 #define is_numstart(x) (IStable[x] & ISnumstart)
682 #define is_hspace(x) (IStable[x] & IShspace)
683 #define is_space(x) (IStable[x] & ISspace)
685 /* This table is not really `const', but it is only modified at
686 initialization time, in a separate translation unit from the rest
687 of the library. We let the rest of the library think it is `const'
688 to get better code and some additional compile-time checks. */
690 #define FAKE_CONST const
692 extern FAKE_CONST
unsigned char IStable
[256];
695 /* Stack of conditionals currently in progress
696 (including both successful and failing conditionals). */
699 struct if_stack
*next
; /* for chaining to the next stack frame */
700 const char *fname
; /* copied from input when frame is made */
701 int lineno
; /* similarly */
702 int if_succeeded
; /* true if a leg of this if-group
703 has been passed through rescan */
704 unsigned char *control_macro
; /* For #ifndef at start of file,
705 this is the macro name tested. */
706 enum node_type type
; /* type of last directive seen in this group */
708 typedef struct if_stack IF_STACK_FRAME
;
710 extern void cpp_buf_line_and_col
PARAMS((cpp_buffer
*, long *, long *));
711 extern cpp_buffer
* cpp_file_buffer
PARAMS((cpp_reader
*));
712 extern void cpp_define
PARAMS ((cpp_reader
*, unsigned char *));
713 extern void cpp_assert
PARAMS ((cpp_reader
*, unsigned char *));
714 extern void cpp_undef
PARAMS ((cpp_reader
*, unsigned char *));
715 extern void cpp_unassert
PARAMS ((cpp_reader
*, unsigned char *));
717 extern void cpp_error
PVPROTO ((cpp_reader
*, const char *, ...))
719 extern void cpp_warning
PVPROTO ((cpp_reader
*, const char *, ...))
721 extern void cpp_pedwarn
PVPROTO ((cpp_reader
*, const char *, ...))
723 extern void cpp_error_with_line
PVPROTO ((cpp_reader
*, int, int, const char *, ...))
725 extern void cpp_warning_with_line
PVPROTO ((cpp_reader
*, int, int, const char *, ...))
727 extern void cpp_pedwarn_with_line
PVPROTO ((cpp_reader
*, int, int, const char *, ...))
729 extern void cpp_pedwarn_with_file_and_line
PVPROTO ((cpp_reader
*, const char *, int, const char *, ...))
731 extern void cpp_message_from_errno
PROTO ((cpp_reader
*, int, const char *));
732 extern void cpp_error_from_errno
PROTO ((cpp_reader
*, const char *));
733 extern void cpp_perror_with_name
PROTO ((cpp_reader
*, const char *));
734 extern void v_cpp_message
PROTO ((cpp_reader
*, int, const char *, va_list));
736 extern void cpp_grow_buffer
PARAMS ((cpp_reader
*, long));
737 extern cpp_buffer
*cpp_push_buffer
PARAMS ((cpp_reader
*,
738 unsigned char *, long));
739 extern cpp_buffer
*cpp_pop_buffer
PARAMS ((cpp_reader
*));
741 extern cpp_hashnode
*cpp_lookup
PARAMS ((cpp_reader
*, const unsigned char *,
743 extern void cpp_reader_init
PARAMS ((cpp_reader
*));
744 extern void cpp_options_init
PARAMS ((cpp_options
*));
745 extern int cpp_start_read
PARAMS ((cpp_reader
*, char *));
746 extern int cpp_read_check_assertion
PARAMS ((cpp_reader
*));
747 extern int scan_decls
PARAMS ((cpp_reader
*, int, char **));
748 extern void skip_rest_of_line
PARAMS ((cpp_reader
*));
749 extern void cpp_finish
PARAMS ((cpp_reader
*));
751 extern void quote_string
PARAMS ((cpp_reader
*, const char *));
752 extern void cpp_expand_to_buffer
PARAMS ((cpp_reader
*, const U_CHAR
*,
754 extern void cpp_scan_buffer
PARAMS ((cpp_reader
*));
755 extern int check_macro_name
PARAMS ((cpp_reader
*, const U_CHAR
*));
757 /* Last arg to output_line_command. */
758 enum file_change_code
{same_file
, enter_file
, leave_file
};
759 extern void output_line_command
PARAMS ((cpp_reader
*,
760 enum file_change_code
));
762 /* From cpperror.c */
763 extern void cpp_fatal
PVPROTO ((cpp_reader
*, const char *, ...))
765 extern void cpp_message
PVPROTO ((cpp_reader
*, int, const char *, ...))
767 extern void cpp_pfatal_with_name
PROTO ((cpp_reader
*, const char *))
769 extern void cpp_file_line_for_message
PROTO ((cpp_reader
*, const char *,
771 extern void cpp_print_containing_files
PROTO ((cpp_reader
*));
772 extern void cpp_notice
PVPROTO ((const char *msgid
, ...)) ATTRIBUTE_PRINTF_1
;
775 extern void simplify_pathname
PROTO ((char *));
776 extern void merge_include_chains
PROTO ((struct cpp_options
*));
777 extern int find_include_file
PROTO ((cpp_reader
*, const char *,
778 struct file_name_list
*,
779 struct include_hash
**,
781 extern int finclude
PROTO ((cpp_reader
*, int,
782 struct include_hash
*));
783 extern void deps_output
PROTO ((cpp_reader
*,
785 extern struct include_hash
*include_hash
PROTO ((cpp_reader
*, const char *, int));
787 #ifndef INCLUDE_LEN_FUDGE
788 #define INCLUDE_LEN_FUDGE 0
795 #endif /* __GCC_CPPLIB__ */