From 5d69c6a2661bba0a22f3ecfd517e2e9767a38346 Mon Sep 17 00:00:00 2001 From: Cem Keylan Date: Fri, 16 Oct 2020 17:47:01 +0300 Subject: add tools --- usr.bin/m4/mdef.h | 237 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 237 insertions(+) create mode 100644 usr.bin/m4/mdef.h (limited to 'usr.bin/m4/mdef.h') diff --git a/usr.bin/m4/mdef.h b/usr.bin/m4/mdef.h new file mode 100644 index 0000000..f0d9d39 --- /dev/null +++ b/usr.bin/m4/mdef.h @@ -0,0 +1,237 @@ +/* $OpenBSD: mdef.h,v 1.33 2015/11/03 16:21:47 deraadt 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. 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 + */ + +#ifdef __GNUC__ +# define UNUSED __attribute__((__unused__)) +#else +# define UNUSED +#endif + +#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 FORMATTYPE 44 + +#define BUILTIN_MARKER "__builtin_" + +#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' + +/* + * 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 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 macro_definition { + struct macro_definition *next; + char *defn; /* definition.. */ + unsigned int type; /* type of the entry.. */ +}; + + +struct ndblock { /* hashtable structure */ + unsigned int builtin_type; + unsigned int trace_flags; + struct macro_definition *d; + char name[1]; /* entry name.. */ +}; + +typedef union { /* stack structure */ + int sfra; /* frame entry */ + char *sstr; /* string entry */ +} stae; + +struct input_file { + FILE *file; + char *name; + unsigned long lineno; + unsigned long synch_lineno; /* used for -s */ + int c; +}; + +#define STORAGE_STRSPACE 0 +#define STORAGE_MACRO 1 +#define STORAGE_OTHER 2 + +#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] = STORAGE_OTHER; \ + } while (0) + +#define pushs(x) \ + do { \ + if (++sp == STACKMAX) \ + enlarge_stack();\ + mstack[sp].sstr = (x); \ + sstack[sp] = STORAGE_STRSPACE; \ + } while (0) + +#define pushs1(x) \ + do { \ + if (++sp == STACKMAX) \ + enlarge_stack();\ + mstack[sp].sstr = (x); \ + sstack[sp] = STORAGE_OTHER; \ + } while (0) + +#define pushdef(p) \ + do { \ + if (++sp == STACKMAX) \ + enlarge_stack();\ + mstack[sp].sstr = macro_getdef(p)->defn;\ + sstack[sp] = STORAGE_MACRO; \ + } 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-2].sfra) +#define TRACESTATUS (mstack[fp-1].sfra) +#define PREVEP (mstack[fp+3].sstr) +#define PREVSP (fp-4) +#define PREVFP (mstack[fp-3].sfra) -- cgit v1.2.3