/usr.bin/m4/extern.h
https://bitbucket.org/freebsd/freebsd-head/ · C Header · 177 lines · 110 code · 22 blank · 45 comment · 7 complexity · 55c91ffaf2c59b16d1fb4eeea71134b1 MD5 · raw file
- /* $OpenBSD: extern.h,v 1.51 2011/09/27 07:24:02 espie Exp $ */
- /* $NetBSD: extern.h,v 1.3 1996/01/13 23:25:24 pk Exp $ */
- /*-
- * Copyright (c) 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Ozan Yigit at York University.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)extern.h 8.1 (Berkeley) 6/6/93
- * $FreeBSD$
- */
- /* eval.c */
- extern void eval(const char *[], int, int, int);
- extern void dodefine(const char *, const char *);
- extern unsigned long expansion_id;
- /* expr.c */
- extern int expr(const char *);
- /* gnum4.c */
- extern void addtoincludepath(const char *);
- extern struct input_file *fopen_trypath(struct input_file *, const char *);
- extern void doindir(const char *[], int);
- extern void dobuiltin(const char *[], int);
- extern void dopatsubst(const char *[], int);
- extern void doregexp(const char *[], int);
- extern void doprintlineno(struct input_file *);
- extern void doprintfilename(struct input_file *);
- extern void doesyscmd(const char *);
- extern void getdivfile(const char *);
- extern void doformat(const char *[], int);
- /* look.c */
- #define FLAG_UNTRACED 0
- #define FLAG_TRACED 1
- #define FLAG_NO_TRACE 2
- extern void init_macros(void);
- extern ndptr lookup(const char *);
- extern void mark_traced(const char *, int);
- extern struct ohash macros;
- extern struct macro_definition *lookup_macro_definition(const char *);
- extern void macro_define(const char *, const char *);
- extern void macro_pushdef(const char *, const char *);
- extern void macro_popdef(const char *);
- extern void macro_undefine(const char *);
- extern void setup_builtin(const char *, unsigned int);
- extern void macro_for_all(void (*)(const char *, struct macro_definition *));
- #define macro_getdef(p) ((p)->d)
- #define macro_name(p) ((p)->name)
- #define macro_builtin_type(p) ((p)->builtin_type)
- #define is_traced(p) ((p)->trace_flags == FLAG_NO_TRACE ? (trace_flags & TRACE_ALL) : (p)->trace_flags)
- extern ndptr macro_getbuiltin(const char *);
- /* main.c */
- extern void outputstr(const char *);
- extern void do_emit_synchline(void);
- extern int exit_code;
- #define emit_synchline() do { if (synch_lines) do_emit_synchline(); } while(0)
- /* misc.c */
- extern void chrsave(int);
- extern char *compute_prevep(void);
- extern void getdiv(int);
- extern ptrdiff_t indx(const char *, const char *);
- extern void initspaces(void);
- extern void killdiv(void);
- extern void onintr(int);
- extern void pbnum(int);
- extern void pbnumbase(int, int, int);
- extern void pbunsigned(unsigned long);
- extern void pbstr(const char *);
- extern void pushback(int);
- extern void *xalloc(size_t, const char *fmt, ...);
- extern void *xrealloc(void *, size_t, const char *fmt, ...);
- extern char *xstrdup(const char *);
- extern void usage(void);
- extern void resizedivs(int);
- extern size_t buffer_mark(void);
- extern void dump_buffer(FILE *, size_t);
- extern void m4errx(int, const char *, ...);
- extern int obtain_char(struct input_file *);
- extern void set_input(struct input_file *, FILE *, const char *);
- extern void release_input(struct input_file *);
- /* speeded-up versions of chrsave/pushback */
- #define PUSHBACK(c) \
- do { \
- if (bp >= endpbb) \
- enlarge_bufspace(); \
- *bp++ = (c); \
- } while(0)
- #define CHRSAVE(c) \
- do { \
- if (ep >= endest) \
- enlarge_strspace(); \
- *ep++ = (c); \
- } while(0)
- /* and corresponding exposure for local symbols */
- extern void enlarge_bufspace(void);
- extern void enlarge_strspace(void);
- extern unsigned char *endpbb;
- extern char *endest;
- /* trace.c */
- extern unsigned int trace_flags;
- #define TRACE_ALL 512
- extern void trace_file(const char *);
- extern size_t trace(const char **, int, struct input_file *);
- extern void finish_trace(size_t);
- extern void set_trace_flags(const char *);
- extern FILE *traceout;
- extern stae *mstack; /* stack of m4 machine */
- extern char *sstack; /* shadow stack, for string space extension */
- extern FILE *active; /* active output file pointer */
- extern struct input_file infile[];/* input file stack (0=stdin) */
- extern FILE **outfile; /* diversion array(0=bitbucket) */
- extern int maxout; /* maximum number of diversions */
- extern int fp; /* m4 call frame pointer */
- extern int ilevel; /* input file stack pointer */
- extern int oindex; /* diversion index. */
- extern int sp; /* current m4 stack pointer */
- extern unsigned char *bp; /* first available character */
- extern unsigned char *buf; /* push-back buffer */
- extern unsigned char *bufbase; /* buffer base for this ilevel */
- extern unsigned char *bbase[]; /* buffer base per ilevel */
- extern char ecommt[MAXCCHARS+1];/* end character for comment */
- extern char *ep; /* first free char in strspace */
- extern char lquote[MAXCCHARS+1];/* left quote character (`) */
- extern char **m4wraps; /* m4wrap string default. */
- extern int maxwraps; /* size of m4wraps array */
- extern int wrapindex; /* current index in m4wraps */
- extern const char *null; /* as it says.. just a null. */
- extern char rquote[MAXCCHARS+1];/* right quote character (') */
- extern char scommt[MAXCCHARS+1];/* start character for comment */
- extern int synch_lines; /* line synchronisation directives */
- extern int mimic_gnu; /* behaves like gnu-m4 */
- extern int prefix_builtins; /* prefix builtin macros with m4_ */