Import OpenBSD m4 as of today.
This commit is contained in:
parent
e98bffde50
commit
add74ed370
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/vendor/OpenBSD/dist/; revision=84022
224
usr.bin/m4/mdef.h
Normal file
224
usr.bin/m4/mdef.h
Normal file
@ -0,0 +1,224 @@
|
||||
/* $OpenBSD: mdef.h,v 1.21 2001/09/27 11:40:33 espie Exp $ */
|
||||
/* $NetBSD: mdef.h,v 1.7 1996/01/13 23:25:27 pk Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1989, 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. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. 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.
|
||||
*
|
||||
* @(#)mdef.h 8.1 (Berkeley) 6/6/93
|
||||
*/
|
||||
|
||||
#define MACRTYPE 1
|
||||
#define DEFITYPE 2
|
||||
#define EXPRTYPE 3
|
||||
#define SUBSTYPE 4
|
||||
#define IFELTYPE 5
|
||||
#define LENGTYPE 6
|
||||
#define CHNQTYPE 7
|
||||
#define SYSCTYPE 8
|
||||
#define UNDFTYPE 9
|
||||
#define INCLTYPE 10
|
||||
#define SINCTYPE 11
|
||||
#define PASTTYPE 12
|
||||
#define SPASTYPE 13
|
||||
#define INCRTYPE 14
|
||||
#define IFDFTYPE 15
|
||||
#define PUSDTYPE 16
|
||||
#define POPDTYPE 17
|
||||
#define SHIFTYPE 18
|
||||
#define DECRTYPE 19
|
||||
#define DIVRTYPE 20
|
||||
#define UNDVTYPE 21
|
||||
#define DIVNTYPE 22
|
||||
#define MKTMTYPE 23
|
||||
#define ERRPTYPE 24
|
||||
#define M4WRTYPE 25
|
||||
#define TRNLTYPE 26
|
||||
#define DNLNTYPE 27
|
||||
#define DUMPTYPE 28
|
||||
#define CHNCTYPE 29
|
||||
#define INDXTYPE 30
|
||||
#define SYSVTYPE 31
|
||||
#define EXITTYPE 32
|
||||
#define DEFNTYPE 33
|
||||
#define SELFTYPE 34
|
||||
#define INDIRTYPE 35
|
||||
#define BUILTINTYPE 36
|
||||
#define PATSTYPE 37
|
||||
#define FILENAMETYPE 38
|
||||
#define LINETYPE 39
|
||||
#define REGEXPTYPE 40
|
||||
#define ESYSCMDTYPE 41
|
||||
#define TRACEONTYPE 42
|
||||
#define TRACEOFFTYPE 43
|
||||
|
||||
|
||||
#define TYPEMASK 63 /* Keep bits really corresponding to a type. */
|
||||
#define RECDEF 256 /* Pure recursive def, don't expand it */
|
||||
#define NOARGS 512 /* builtin needs no args */
|
||||
#define NEEDARGS 1024 /* mark builtin that need args with this */
|
||||
|
||||
/*
|
||||
* m4 special characters
|
||||
*/
|
||||
|
||||
#define ARGFLAG '$'
|
||||
#define LPAREN '('
|
||||
#define RPAREN ')'
|
||||
#define LQUOTE '`'
|
||||
#define RQUOTE '\''
|
||||
#define COMMA ','
|
||||
#define SCOMMT '#'
|
||||
#define ECOMMT '\n'
|
||||
|
||||
#ifdef msdos
|
||||
#define system(str) (-1)
|
||||
#endif
|
||||
|
||||
/*
|
||||
* other important constants
|
||||
*/
|
||||
|
||||
#define EOS '\0'
|
||||
#define MAXINP 10 /* maximum include files */
|
||||
#define MAXOUT 10 /* maximum # of diversions */
|
||||
#define BUFSIZE 4096 /* starting size of pushback buffer */
|
||||
#define INITSTACKMAX 4096 /* starting size of call stack */
|
||||
#define STRSPMAX 4096 /* starting size of string space */
|
||||
#define MAXTOK 512 /* maximum chars in a tokn */
|
||||
#define HASHSIZE 199 /* maximum size of hashtab */
|
||||
#define MAXCCHARS 5 /* max size of comment/quote delim */
|
||||
|
||||
#define ALL 1
|
||||
#define TOP 0
|
||||
|
||||
#define TRUE 1
|
||||
#define FALSE 0
|
||||
#define cycle for(;;)
|
||||
|
||||
/*
|
||||
* m4 data structures
|
||||
*/
|
||||
|
||||
typedef struct ndblock *ndptr;
|
||||
|
||||
struct ndblock { /* hastable structure */
|
||||
char *name; /* entry name.. */
|
||||
char *defn; /* definition.. */
|
||||
unsigned int type; /* type of the entry.. */
|
||||
unsigned int hv; /* hash function value.. */
|
||||
ndptr nxtptr; /* link to next entry.. */
|
||||
};
|
||||
|
||||
#define nil ((ndptr) 0)
|
||||
|
||||
struct keyblk {
|
||||
char *knam; /* keyword name */
|
||||
int ktyp; /* keyword type */
|
||||
};
|
||||
|
||||
typedef union { /* stack structure */
|
||||
int sfra; /* frame entry */
|
||||
char *sstr; /* string entry */
|
||||
} stae;
|
||||
|
||||
struct input_file {
|
||||
FILE *file;
|
||||
char *name;
|
||||
unsigned long lineno;
|
||||
int c;
|
||||
};
|
||||
|
||||
#define CURRENT_NAME (infile[ilevel].name)
|
||||
#define CURRENT_LINE (infile[ilevel].lineno)
|
||||
/*
|
||||
* macros for readibility and/or speed
|
||||
*
|
||||
* gpbc() - get a possibly pushed-back character
|
||||
* pushf() - push a call frame entry onto stack
|
||||
* pushs() - push a string pointer onto stack
|
||||
*/
|
||||
#define gpbc() (bp > bufbase) ? *--bp : obtain_char(infile+ilevel)
|
||||
#define pushf(x) \
|
||||
do { \
|
||||
if (++sp == STACKMAX) \
|
||||
enlarge_stack();\
|
||||
mstack[sp].sfra = (x); \
|
||||
sstack[sp] = 0; \
|
||||
} while (0)
|
||||
|
||||
#define pushs(x) \
|
||||
do { \
|
||||
if (++sp == STACKMAX) \
|
||||
enlarge_stack();\
|
||||
mstack[sp].sstr = (x); \
|
||||
sstack[sp] = 1; \
|
||||
} while (0)
|
||||
|
||||
#define pushs1(x) \
|
||||
do { \
|
||||
if (++sp == STACKMAX) \
|
||||
enlarge_stack();\
|
||||
mstack[sp].sstr = (x); \
|
||||
sstack[sp] = 0; \
|
||||
} while (0)
|
||||
|
||||
/*
|
||||
* . .
|
||||
* | . | <-- sp | . |
|
||||
* +-------+ +-----+
|
||||
* | arg 3 ----------------------->| str |
|
||||
* +-------+ | . |
|
||||
* | arg 2 ---PREVEP-----+ .
|
||||
* +-------+ |
|
||||
* . | | |
|
||||
* +-------+ | +-----+
|
||||
* | plev | PARLEV +-------->| str |
|
||||
* +-------+ | . |
|
||||
* | type | CALTYP .
|
||||
* +-------+
|
||||
* | prcf ---PREVFP--+
|
||||
* +-------+ |
|
||||
* | . | PREVSP |
|
||||
* . |
|
||||
* +-------+ |
|
||||
* | <----------+
|
||||
* +-------+
|
||||
*
|
||||
*/
|
||||
#define PARLEV (mstack[fp].sfra)
|
||||
#define CALTYP (mstack[fp-1].sfra)
|
||||
#define PREVEP (mstack[fp+3].sstr)
|
||||
#define PREVSP (fp-3)
|
||||
#define PREVFP (mstack[fp-2].sfra)
|
Loading…
Reference in New Issue
Block a user