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
;
43 CPP_VSPACE
, /* newlines and #line directives */
51 CPP_ASSERTION
, /* #machine(a29k) */
52 CPP_STRINGIZE
, /* stringize macro argument */
53 CPP_TOKPASTE
, /* paste macro arg with next/prev token */
59 CPP_SEMICOLON
, /* ";" */
60 CPP_3DOTS
, /* "..." */
61 CPP_POP
/* We're about to pop the buffer stack. */
64 typedef enum cpp_token (*parse_underflow_t
) PARAMS((cpp_reader
*));
65 typedef int (*parse_cleanup_t
) PARAMS((cpp_buffer
*, cpp_reader
*));
67 extern int cpp_handle_option
PARAMS ((cpp_reader
*, int, char **));
68 extern int cpp_handle_options
PARAMS ((cpp_reader
*, int, char **));
69 extern enum cpp_token cpp_get_token
PARAMS ((cpp_reader
*));
70 extern enum cpp_token cpp_get_non_space_token
PARAMS ((cpp_reader
*));
71 extern enum cpp_token get_directive_token
PARAMS ((cpp_reader
*));
73 /* This frees resources used by PFILE. */
74 extern void cpp_cleanup
PARAMS ((cpp_reader
*PFILE
));
78 unsigned char *cur
; /* current position */
79 unsigned char *rlimit
; /* end of valid data */
80 unsigned char *buf
; /* entire buffer */
81 unsigned char *alimit
; /* end of allocated buffer */
82 unsigned char *line_base
; /* start of current line */
84 struct cpp_buffer
*prev
;
86 /* Real filename. (Alias to ->ihash->fname, obsolete). */
88 /* Filename specified with #line command. */
89 const char *nominal_fname
;
90 /* Last filename specified with #line command. */
91 const char *last_nominal_fname
;
92 /* Actual directory of this file, used only for "" includes */
93 struct file_name_list
*actual_dir
;
95 /* Pointer into the include hash table. Used for include_next and
96 to record control macros. */
97 struct include_hash
*ihash
;
99 long lineno
; /* Line number at CPP_LINE_BASE. */
100 long colno
; /* Column number at CPP_LINE_BASE. */
101 long mark
; /* Saved position for lengthy backtrack. */
102 parse_underflow_t underflow
;
103 parse_cleanup_t cleanup
;
106 /* Value of if_stack at start of this file.
107 Used to prohibit unmatched #endif (etc) in an include file. */
108 struct if_stack
*if_stack
;
110 /* True if this is a header file included using <FILENAME>. */
111 char system_header_p
;
114 /* True if buffer contains escape sequences.
115 Currently there are two kinds:
116 "\r-" means following identifier should not be macro-expanded.
117 "\r " means a token-separator. This turns into " " in final output
118 if not stringizing and needed to separate tokens; otherwise nothing.
119 Any other two-character sequence beginning with \r is an error.
121 If this is NOT set, then \r is a one-character escape meaning backslash
122 newline. This is guaranteed not to occur in the middle of a token.
123 The two interpretations of \r do not conflict, because the two-character
124 escapes are used only in macro buffers, and backslash-newline is removed
125 from macro expansion text in collect_expansion and/or macarg. */
128 /* Used by the C++ frontend to implement redirected input (such as for
129 default argument and/or template parsing). */
132 /* True if we have already warned about C++ comments in this file.
133 The warning happens only for C89 extended mode with -pedantic on,
134 and only once per file (otherwise it would be far too noisy). */
135 char warned_cplusplus_comments
;
138 struct file_name_map_list
;
140 /* Maximum nesting of cpp_buffers. We use a static limit, partly for
141 efficiency, and partly to limit runaway recursion. */
142 #define CPP_STACK_MAX 200
144 /* A cpp_reader encapsulates the "state" of a pre-processor run.
145 Applying cpp_get_token repeatedly yields a stream of pre-processor
146 tokens. Usually, there is only one cpp_reader object active. */
150 parse_underflow_t get_token
;
154 /* A buffer used for both for cpp_get_token's output, and also internally. */
155 unsigned char *token_buffer
;
156 /* Allocated size of token_buffer. CPP_RESERVE allocates space. */
157 unsigned int token_buffer_size
;
158 /* End of the written part of token_buffer. */
159 unsigned char *limit
;
161 /* Error counter for exit code */
164 /* Line where a newline was first seen in a string constant. */
165 int multiline_string_line
;
167 /* Current depth in #include directives that use <...>. */
168 int system_include_depth
;
170 /* Current depth of buffer stack. */
171 int buffer_stack_depth
;
173 /* Hash table of macros and assertions. See cpphash.c */
174 #define HASHSIZE 1403
175 struct hashnode
**hashtab
;
177 /* Hash table of other included files. See cppfiles.c */
178 #define ALL_INCLUDE_HASHSIZE 71
179 struct include_hash
*all_include_files
[ALL_INCLUDE_HASHSIZE
];
181 /* Chain of `actual directory' file_name_list entries,
183 struct file_name_list
*actual_dirs
;
185 /* Current maximum length of directory names in the search path
186 for include files. (Altered as we get more of them.) */
187 unsigned int max_include_len
;
189 struct if_stack
*if_stack
;
191 /* Nonzero means we have printed (while error reporting) a list of
192 containing files that matches the current status. */
193 char input_stack_listing_current
;
195 /* If non-zero, macros are not expanded. */
196 char no_macro_expand
;
198 /* 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 /* If true, # introduces an assertion (see do_assert) */
212 char parsing_if_directive
;
214 /* If true, # and ## are the STRINGIZE and TOKPASTE operators */
215 char parsing_define_directive
;
217 /* True if escape sequences (as described for has_escapes in
218 parse_buffer) should be emitted. */
221 /* 0: Have seen non-white-space on this line.
222 1: Only seen white space so far on this line.
223 2: Only seen white space so far in this file. */
224 char only_seen_white
;
230 /* Buffer of -M output. */
233 /* Number of bytes allocated in above. */
234 int deps_allocated_size
;
236 /* Number of bytes used. */
239 /* Number of bytes since the last newline. */
242 /* A buffer and a table, used only by read_and_prescan (in cppfiles.c)
243 which are allocated once per cpp_reader object to keep them off the
244 stack and avoid setup costs. */
245 U_CHAR
*input_buffer
;
246 U_CHAR
*input_speccase
;
247 size_t input_buffer_len
;
250 #define CPP_FATAL_LIMIT 1000
251 /* True if we have seen a "fatal" error. */
252 #define CPP_FATAL_ERRORS(READER) ((READER)->errors >= CPP_FATAL_LIMIT)
254 #define CPP_BUF_PEEK(BUFFER) \
255 ((BUFFER)->cur < (BUFFER)->rlimit ? *(BUFFER)->cur : EOF)
256 #define CPP_BUF_GET(BUFFER) \
257 ((BUFFER)->cur < (BUFFER)->rlimit ? *(BUFFER)->cur++ : EOF)
258 #define CPP_FORWARD(BUFFER, N) ((BUFFER)->cur += (N))
260 /* Macros for manipulating the token_buffer. */
262 #define CPP_OUT_BUFFER(PFILE) ((PFILE)->token_buffer)
264 /* Number of characters currently in PFILE's output buffer. */
265 #define CPP_WRITTEN(PFILE) ((size_t)((PFILE)->limit - (PFILE)->token_buffer))
266 #define CPP_PWRITTEN(PFILE) ((PFILE)->limit)
268 /* Make sure PFILE->token_buffer has space for at least N more characters. */
269 #define CPP_RESERVE(PFILE, N) \
270 (CPP_WRITTEN (PFILE) + (size_t)(N) > (PFILE)->token_buffer_size \
271 && (cpp_grow_buffer (PFILE, N), 0))
273 /* Append string STR (of length N) to PFILE's output buffer.
274 Assume there is enough space. */
275 #define CPP_PUTS_Q(PFILE, STR, N) \
276 (memcpy ((PFILE)->limit, STR, (N)), (PFILE)->limit += (N))
277 /* Append string STR (of length N) to PFILE's output buffer. Make space. */
278 #define CPP_PUTS(PFILE, STR, N) CPP_RESERVE(PFILE, N), CPP_PUTS_Q(PFILE, STR,N)
279 /* Append character CH to PFILE's output buffer. Assume sufficient space. */
280 #define CPP_PUTC_Q(PFILE, CH) (*(PFILE)->limit++ = (CH))
281 /* Append character CH to PFILE's output buffer. Make space if need be. */
282 #define CPP_PUTC(PFILE, CH) (CPP_RESERVE (PFILE, 1), CPP_PUTC_Q (PFILE, CH))
283 /* Make sure PFILE->limit is followed by '\0'. */
284 #define CPP_NUL_TERMINATE_Q(PFILE) (*(PFILE)->limit = 0)
285 #define CPP_NUL_TERMINATE(PFILE) (CPP_RESERVE(PFILE, 1), *(PFILE)->limit = 0)
286 #define CPP_ADJUST_WRITTEN(PFILE,DELTA) ((PFILE)->limit += (DELTA))
287 #define CPP_SET_WRITTEN(PFILE,N) ((PFILE)->limit = (PFILE)->token_buffer + (N))
289 /* Advance the current line by one. */
290 #define CPP_BUMP_BUFFER_LINE(PBUF) ((PBUF)->lineno++,\
291 (PBUF)->line_base = (PBUF)->cur)
292 #define CPP_BUMP_LINE(PFILE) CPP_BUMP_BUFFER_LINE(CPP_BUFFER(PFILE))
294 #define CPP_OPTIONS(PFILE) ((PFILE)->opts)
295 #define CPP_BUFFER(PFILE) ((PFILE)->buffer)
296 #define CPP_PREV_BUFFER(BUFFER) ((BUFFER)->prev)
297 /* The bottom of the buffer stack. */
298 #define CPP_NULL_BUFFER(PFILE) NULL
300 /* The `pending' structure accumulates all the options that are not
301 actually processed until we hit cpp_start_read. It consists of
302 several lists, one for each type of option. We keep both head and
303 tail pointers for quick insertion. */
306 struct pending_option
*define_head
, *define_tail
;
307 struct pending_option
*assert_head
, *assert_tail
;
309 struct file_name_list
*quote_head
, *quote_tail
;
310 struct file_name_list
*brack_head
, *brack_tail
;
311 struct file_name_list
*systm_head
, *systm_tail
;
312 struct file_name_list
*after_head
, *after_tail
;
314 struct pending_option
*imacros_head
, *imacros_tail
;
315 struct pending_option
*include_head
, *include_tail
;
318 /* Pointed to by cpp_reader.opts. */
322 /* Name of output file, for error messages. */
323 const char *out_fname
;
325 struct file_name_map_list
*map_list
;
327 /* Non-0 means -v, so print the full set of include dirs. */
330 /* Nonzero means use extra default include directories for C++. */
334 /* Nonzero means handle cplusplus style comments */
336 char cplusplus_comments
;
338 /* Nonzero means handle #import, for objective C. */
342 /* Nonzero means this is an assembly file, so ignore unrecognized
343 directives and the "# 33" form of #line, both of which are
344 probably comments. Also, permit unbalanced ' strings (again,
345 likely to be in comments). */
349 /* Nonzero means this is Fortran, and we don't know where the
350 comments are, so permit unbalanced ' strings. Unlike lang_asm,
351 this does not ignore unrecognized directives. */
355 /* Nonzero means handle CHILL comment syntax
356 and output CHILL string delimiter for __DATE___ etc. */
360 /* Nonzero means don't copy comments into the output file. */
362 char discard_comments
;
364 /* Nonzero means process the ANSI trigraph sequences. */
368 /* Nonzero means print the names of included files rather than
369 the preprocessed output. 1 means just the #include "...",
370 2 means #include <...> as well. */
374 /* Nonzero if missing .h files in -M output are assumed to be generated
375 files and not errors. */
377 char print_deps_missing_files
;
379 /* If true, fopen (deps_file, "a") else fopen (deps_file, "w"). */
380 char print_deps_append
;
382 /* Nonzero means print names of header files (-H). */
384 char print_include_names
;
386 /* Nonzero means try to make failure to fit ANSI C an error. */
388 char pedantic_errors
;
390 /* Nonzero means don't print warning messages. */
392 char inhibit_warnings
;
394 /* Nonzero means don't print error messages. Has no option to select it,
395 but can be set by a user of cpplib (e.g. fix-header). */
399 /* Nonzero means warn if slash-star appears in a comment. */
403 /* Nonzero means warn if there are any trigraphs. */
407 /* Nonzero means warn if #import is used. */
411 /* Nonzero means warn if a macro argument is (or would be)
412 stringified with -traditional. */
416 /* Nonzero means turn warnings into errors. */
418 char warnings_are_errors
;
420 /* Nonzero causes output not to be done,
421 but directives such as #define that have side effects
426 /* Nonzero means we should look for header.gcc files that remap file
430 /* Nonzero means don't output line number information. */
431 char no_line_commands
;
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_PREPROCESSED(PFILE) (CPP_OPTIONS (PFILE)->preprocessed)
512 #define CPP_PRINT_DEPS(PFILE) (CPP_OPTIONS (PFILE)->print_deps)
514 #define CPP_PEDANTIC(PFILE) \
515 (CPP_OPTIONS (PFILE)->pedantic && !CPP_BUFFER (pfile)->system_header_p)
517 /* List of directories to look for include files in. */
518 struct file_name_list
520 struct file_name_list
*next
;
521 struct file_name_list
*alloc
; /* for the cache of
522 current directory entries */
525 /* We use these to tell if the directory mentioned here is a duplicate
526 of an earlier directory on the search path. */
529 /* If the following is nonzero, it is a C-language system include
532 /* Mapping of file names for this directory.
533 Only used on MS-DOS and related platforms. */
534 struct file_name_map
*name_map
;
536 #define ABSOLUTE_PATH ((struct file_name_list *)-1)
538 /* This structure is used for the table of all includes. It is
539 indexed by the `short name' (the name as it appeared in the
540 #include statement) which is stored in *nshort. */
543 struct include_hash
*next
;
544 /* Next file with the same short name but a
545 different (partial) pathname). */
546 struct include_hash
*next_this_file
;
548 /* Location of the file in the include search path.
549 Used for include_next */
550 struct file_name_list
*foundhere
;
551 const char *name
; /* (partial) pathname of file */
552 const char *nshort
; /* name of file as referenced in #include */
553 const char *control_macro
; /* macro, if any, preventing reinclusion -
554 see redundant_include_p */
555 char *buf
, *limit
; /* for file content cache,
556 not yet implemented */
559 /* Name under which this program was invoked. */
561 extern const char *progname
;
563 /* The structure of a node in the hash table. The hash table
564 has entries for all tokens defined by #define commands (type T_MACRO),
565 plus some special tokens like __LINE__ (these each have their own
566 type, and the appropriate code is run when that type of node is seen.
567 It does not contain control words like "#define", which are recognized
568 by a separate piece of code. */
570 /* different flavors of hash nodes --- also used in keyword table */
572 T_DEFINE
= 1, /* the `#define' keyword */
573 T_INCLUDE
, /* the `#include' keyword */
574 T_INCLUDE_NEXT
, /* the `#include_next' keyword */
575 T_IMPORT
, /* the `#import' keyword */
576 T_IFDEF
, /* the `#ifdef' keyword */
577 T_IFNDEF
, /* the `#ifndef' keyword */
578 T_IF
, /* the `#if' keyword */
579 T_ELSE
, /* `#else' */
580 T_PRAGMA
, /* `#pragma' */
581 T_ELIF
, /* `#elif' */
582 T_UNDEF
, /* `#undef' */
583 T_LINE
, /* `#line' */
584 T_ERROR
, /* `#error' */
585 T_WARNING
, /* `#warning' */
586 T_ENDIF
, /* `#endif' */
587 T_SCCS
, /* `#sccs', used on system V. */
588 T_IDENT
, /* `#ident', used on system V. */
589 T_ASSERT
, /* `#assert', taken from system V. */
590 T_UNASSERT
, /* `#unassert', taken from system V. */
591 T_SPECLINE
, /* special symbol `__LINE__' */
592 T_DATE
, /* `__DATE__' */
593 T_FILE
, /* `__FILE__' */
594 T_BASE_FILE
, /* `__BASE_FILE__' */
595 T_INCLUDE_LEVEL
, /* `__INCLUDE_LEVEL__' */
596 T_VERSION
, /* `__VERSION__' */
597 T_TIME
, /* `__TIME__' */
598 T_STDC
, /* `__STDC__' */
599 T_CONST
, /* Constant string, used by `__SIZE_TYPE__' etc */
600 T_MACRO
, /* macro defined by `#define' */
601 T_DISABLED
, /* macro temporarily turned off for rescan */
602 T_POISON
, /* defined with `#pragma poison' */
603 T_UNUSED
/* Used for something not defined. */
606 /* Character classes.
607 If the definition of `numchar' looks odd to you, please look up the
608 definition of a pp-number in the C standard [section 6.4.8 of C99] */
609 #define ISidnum 0x01 /* a-zA-Z0-9_ */
610 #define ISidstart 0x02 /* _a-zA-Z */
611 #define ISnumstart 0x04 /* 0-9 */
612 #define IShspace 0x08 /* ' ' \t \f \v */
613 #define ISspace 0x10 /* ' ' \t \f \v \n */
615 #define _dollar_ok(x) ((x) == '$' && CPP_OPTIONS (pfile)->dollars_in_ident)
617 #define is_idchar(x) ((_cpp_IStable[x] & ISidnum) || _dollar_ok(x))
618 #define is_idstart(x) ((_cpp_IStable[x] & ISidstart) || _dollar_ok(x))
619 #define is_numchar(x) (_cpp_IStable[x] & ISidnum)
620 #define is_numstart(x) (_cpp_IStable[x] & ISnumstart)
621 #define is_hspace(x) (_cpp_IStable[x] & IShspace)
622 #define is_space(x) (_cpp_IStable[x] & ISspace)
624 /* This table is constant if it can be initialized at compile time,
625 which is the case if cpp was compiled with GCC >=2.7, or another
626 compiler that supports C99. */
627 #if (GCC_VERSION >= 2007) || (__STDC_VERSION__ >= 199901L)
628 extern const unsigned char _cpp_IStable
[256];
630 extern unsigned char _cpp_IStable
[256];
633 /* Stack of conditionals currently in progress
634 (including both successful and failing conditionals). */
637 struct if_stack
*next
; /* for chaining to the next stack frame */
638 const char *fname
; /* copied from input when frame is made */
639 int lineno
; /* similarly */
640 int if_succeeded
; /* true if a leg of this if-group
641 has been passed through rescan */
642 unsigned char *control_macro
; /* For #ifndef at start of file,
643 this is the macro name tested. */
644 enum node_type type
; /* type of last directive seen in this group */
646 typedef struct if_stack IF_STACK_FRAME
;
648 extern void cpp_buf_line_and_col
PARAMS((cpp_buffer
*, long *, long *));
649 extern cpp_buffer
* cpp_file_buffer
PARAMS((cpp_reader
*));
650 extern void cpp_define
PARAMS ((cpp_reader
*, unsigned char *));
651 extern void cpp_assert
PARAMS ((cpp_reader
*, unsigned char *));
652 extern void cpp_undef
PARAMS ((cpp_reader
*, unsigned char *));
653 extern void cpp_unassert
PARAMS ((cpp_reader
*, unsigned char *));
655 /* N.B. The error-message-printer prototypes have not been nicely
656 formatted because exgettext needs to see 'msgid' on the same line
657 as the name of the function in order to work properly. Only the
658 string argument gets a name in an effort to keep the lines from
659 getting ridiculously oversized. */
661 extern void cpp_ice
PARAMS ((cpp_reader
*, const char *msgid
, ...))
663 extern void cpp_fatal
PARAMS ((cpp_reader
*, const char *msgid
, ...))
665 extern void cpp_error
PARAMS ((cpp_reader
*, const char *msgid
, ...))
667 extern void cpp_warning
PARAMS ((cpp_reader
*, const char *msgid
, ...))
669 extern void cpp_pedwarn
PARAMS ((cpp_reader
*, const char *msgid
, ...))
671 extern void cpp_notice
PARAMS ((cpp_reader
*, const char *msgid
, ...))
673 extern void cpp_error_with_line
PARAMS ((cpp_reader
*, int, int, const char *msgid
, ...))
675 extern void cpp_warning_with_line
PARAMS ((cpp_reader
*, int, int, const char *msgid
, ...))
677 extern void cpp_pedwarn_with_line
PARAMS ((cpp_reader
*, int, int, const char *msgid
, ...))
679 extern void cpp_pedwarn_with_file_and_line
PARAMS ((cpp_reader
*, const char *, int, int, const char *msgid
, ...))
681 extern void cpp_error_from_errno
PARAMS ((cpp_reader
*, const char *));
682 extern void cpp_notice_from_errno
PARAMS ((cpp_reader
*, const char *));
684 extern void cpp_grow_buffer
PARAMS ((cpp_reader
*, long));
685 extern cpp_buffer
*cpp_push_buffer
PARAMS ((cpp_reader
*,
686 unsigned char *, long));
687 extern cpp_buffer
*cpp_pop_buffer
PARAMS ((cpp_reader
*));
688 extern int cpp_defined
PARAMS ((cpp_reader
*, const U_CHAR
*, int));
690 extern void cpp_reader_init
PARAMS ((cpp_reader
*));
691 extern void cpp_options_init
PARAMS ((cpp_options
*));
692 extern int cpp_start_read
PARAMS ((cpp_reader
*, char *));
693 extern void cpp_finish
PARAMS ((cpp_reader
*));
695 extern void quote_string
PARAMS ((cpp_reader
*, const char *));
696 extern void cpp_expand_to_buffer
PARAMS ((cpp_reader
*, const U_CHAR
*,
698 extern void cpp_scan_buffer
PARAMS ((cpp_reader
*));
700 /* Last arg to output_line_command. */
701 enum file_change_code
{same_file
, rename_file
, enter_file
, leave_file
};
702 extern void output_line_command
PARAMS ((cpp_reader
*,
703 enum file_change_code
));
706 extern void simplify_pathname
PARAMS ((char *));
707 extern void merge_include_chains
PARAMS ((struct cpp_options
*));
708 extern int find_include_file
PARAMS ((cpp_reader
*, const char *,
709 struct file_name_list
*,
710 struct include_hash
**,
712 extern int finclude
PARAMS ((cpp_reader
*, int,
713 struct include_hash
*));
714 extern int cpp_read_file
PARAMS ((cpp_reader
*, const char *));
715 extern void deps_output
PARAMS ((cpp_reader
*,
717 extern struct include_hash
*include_hash
PARAMS ((cpp_reader
*, const char *, int));
722 #endif /* __GCC_CPPLIB__ */