Annotation of src/usr.bin/m4/extern.h, Revision 1.29
1.29 ! millert 1: /* $OpenBSD: extern.h,v 1.28 2001/10/10 18:12:00 espie Exp $ */
1.2 deraadt 2: /* $NetBSD: extern.h,v 1.3 1996/01/13 23:25:24 pk Exp $ */
1.1 deraadt 3:
4: /*-
5: * Copyright (c) 1991, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * This code is derived from software contributed to Berkeley by
9: * Ozan Yigit at York University.
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
19: * 3. All advertising materials mentioning features or use of this software
20: * must display the following acknowledgement:
21: * This product includes software developed by the University of
22: * California, Berkeley and its contributors.
23: * 4. Neither the name of the University nor the names of its contributors
24: * may be used to endorse or promote products derived from this software
25: * without specific prior written permission.
26: *
27: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37: * SUCH DAMAGE.
38: *
39: * @(#)extern.h 8.1 (Berkeley) 6/6/93
40: */
41:
1.11 espie 42: /* eval.c */
1.29 ! millert 43: extern void eval(const char *[], int, int);
! 44: extern void dodefine(const char *, const char *);
1.24 espie 45: extern unsigned long expansion_id;
1.11 espie 46:
47: /* expr.c */
1.29 ! millert 48: extern int expr(const char *);
1.11 espie 49:
50: /* gnum4.c */
1.29 ! millert 51: extern void addtoincludepath(const char *);
! 52: extern struct input_file *fopen_trypath(struct input_file *, const char *);
! 53: extern void doindir(const char *[], int);
! 54: extern void dobuiltin(const char *[], int);
! 55: extern void dopatsubst(const char *[], int);
! 56: extern void doregexp(const char *[], int);
1.17 espie 57:
1.29 ! millert 58: extern void doprintlineno(struct input_file *);
! 59: extern void doprintfilename(struct input_file *);
1.20 espie 60:
1.29 ! millert 61: extern void doesyscmd(const char *);
1.17 espie 62:
1.11 espie 63:
64: /* look.c */
1.29 ! millert 65: extern ndptr addent(const char *);
! 66: extern unsigned hash(const char *);
! 67: extern ndptr lookup(const char *);
! 68: extern void remhash(const char *, int);
1.14 espie 69:
70: /* main.c */
1.29 ! millert 71: extern void outputstr(const char *);
! 72: extern int builtin_type(const char *);
! 73: extern char *builtin_realname(int);
1.11 espie 74:
75: /* misc.c */
1.29 ! millert 76: extern void chrsave(int);
! 77: extern char *compute_prevep(void);
! 78: extern void getdiv(int);
! 79: extern ptrdiff_t indx(const char *, const char *);
! 80: extern void initspaces(void);
! 81: extern void killdiv(void);
! 82: extern void onintr(int);
! 83: extern void pbnum(int);
! 84: extern void pbunsigned(unsigned long);
! 85: extern void pbstr(const char *);
! 86: extern void putback(int);
! 87: extern void *xalloc(size_t);
! 88: extern char *xstrdup(const char *);
! 89: extern void usage(void);
! 90: extern void resizedivs(int);
! 91: extern size_t buffer_mark(void);
! 92: extern void dump_buffer(FILE *, size_t);
! 93:
! 94: extern int obtain_char(struct input_file *);
! 95: extern void set_input(struct input_file *, FILE *, const char *);
! 96: extern void release_input(struct input_file *);
1.26 espie 97:
98: /* speeded-up versions of chrsave/putback */
99: #define PUTBACK(c) \
100: do { \
101: if (bp >= endpbb) \
102: enlarge_bufspace(); \
103: *bp++ = (c); \
104: } while(0)
105:
106: #define CHRSAVE(c) \
107: do { \
108: if (ep >= endest) \
109: enlarge_strspace(); \
110: *ep++ = (c); \
111: } while(0)
112:
113: /* and corresponding exposure for local symbols */
1.29 ! millert 114: extern void enlarge_bufspace(void);
! 115: extern void enlarge_strspace(void);
1.26 espie 116: extern char *endpbb;
117: extern char *endest;
1.15 espie 118:
1.25 espie 119: /* trace.c */
1.29 ! millert 120: extern void mark_traced(const char *, int);
! 121: extern int is_traced(const char *);
! 122: extern void trace_file(const char *);
! 123: extern ssize_t trace(const char **, int, struct input_file *);
! 124: extern void finish_trace(size_t);
1.25 espie 125: extern int traced_macros;
1.29 ! millert 126: extern void set_trace_flags(const char *);
1.25 espie 127: extern FILE *traceout;
1.15 espie 128:
1.1 deraadt 129: extern ndptr hashtab[]; /* hash table for macros etc. */
1.19 espie 130: extern stae *mstack; /* stack of m4 machine */
131: extern char *sstack; /* shadow stack, for string space extension */
1.1 deraadt 132: extern FILE *active; /* active output file pointer */
1.15 espie 133: extern struct input_file infile[];/* input file stack (0=stdin) */
1.21 espie 134: extern FILE **outfile; /* diversion array(0=bitbucket) */
135: extern int maxout; /* maximum number of diversions */
1.1 deraadt 136: extern int fp; /* m4 call frame pointer */
137: extern int ilevel; /* input file stack pointer */
138: extern int oindex; /* diversion index. */
139: extern int sp; /* current m4 stack pointer */
1.16 espie 140: extern char *bp; /* first available character */
141: extern char *buf; /* push-back buffer */
142: extern char *bufbase; /* buffer base for this ilevel */
143: extern char *bbase[]; /* buffer base per ilevel */
1.13 espie 144: extern char ecommt[MAXCCHARS+1];/* end character for comment */
1.1 deraadt 145: extern char *ep; /* first free char in strspace */
1.13 espie 146: extern char lquote[MAXCCHARS+1];/* left quote character (`) */
1.1 deraadt 147: extern char *m4wraps; /* m4wrap string default. */
148: extern char *null; /* as it says.. just a null. */
1.13 espie 149: extern char rquote[MAXCCHARS+1];/* right quote character (') */
150: extern char scommt[MAXCCHARS+1];/* start character for comment */
1.9 espie 151:
1.18 espie 152: extern int mimic_gnu; /* behaves like gnu-m4 */