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Diffstat (limited to 'usr.bin/m4/extern.h')
| -rw-r--r-- | usr.bin/m4/extern.h | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/usr.bin/m4/extern.h b/usr.bin/m4/extern.h new file mode 100644 index 0000000..0c07599 --- /dev/null +++ b/usr.bin/m4/extern.h @@ -0,0 +1,182 @@ +/* $OpenBSD: extern.h,v 1.55 2017/06/15 13:48:42 bcallah 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 + */ + +/* 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); + +extern void m4_warnx(const char *, ...); + +/* 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 *, ...); +extern void *xcalloc(size_t, size_t, const char *, ...); +extern void *xrealloc(void *, size_t, const char *, ...); +extern void *xreallocarray(void *, size_t, size_t, const char *, ...); +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 _Noreturn 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 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_ */ +extern int error_warns; /* make warnings cause exit_code = 1 */ +extern int fatal_warns; /* make warnings fatal */ + |