summaryrefslogtreecommitdiff
path: root/x2p/a2p.h
blob: ee1717dbee7549c64ad129050693173ff7cd61bf (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
/*    a2p.h
 *
 *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
 *    2000, 2001, 2002, by Larry Wall and others
 *
 *    You may distribute under the terms of either the GNU General Public
 *    License or the Artistic License, as specified in the README file.
 */

#define VOIDUSED 1

#ifdef WIN32
#define _INC_WIN32_PERL5	/* kludge around win32 stdio layer */
#endif

#ifdef __VMS
#  include "config.h"
#elif defined(NETWARE)
#  include "../NetWare/config.h"
#else
#  include "../config.h"
#endif

#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus)
# define STANDARD_C 1
#endif

#ifdef WIN32
#undef USE_STDIO_PTR		/* XXX fast gets won't work, must investigate */
#  ifndef STANDARD_C
#    define STANDARD_C
#  endif
#endif

/* Use all the "standard" definitions? */
#if defined(STANDARD_C) && defined(I_STDLIB)
#   include <stdlib.h>
#endif /* STANDARD_C */

#include <stdio.h>

#ifdef I_MATH
#include <math.h>
#endif

#ifdef I_SYS_TYPES
#  include <sys/types.h>
#endif

#ifdef USE_NEXT_CTYPE

#if NX_CURRENT_COMPILER_RELEASE >= 400
#include <objc/NXCType.h>
#else /*  NX_CURRENT_COMPILER_RELEASE < 400 */
#include <appkit/NXCType.h>
#endif /*  NX_CURRENT_COMPILER_RELEASE >= 400 */

#else /* !USE_NEXT_CTYPE */
#include <ctype.h>
#endif /* USE_NEXT_CTYPE */

#define MEM_SIZE Size_t
#ifdef PERL_MEM_LOG
  typedef IVTYPE IV;
  typedef UVTYPE UV;
#endif

#ifndef STANDARD_C
    Malloc_t malloc (MEM_SIZE nbytes);
    Malloc_t calloc (MEM_SIZE elements, MEM_SIZE size);
    Malloc_t realloc (Malloc_t where, MEM_SIZE nbytes);
    Free_t   free (Malloc_t where);
#endif

#if defined(I_STRING) || defined(__cplusplus)
#   include <string.h>
#else
#   include <strings.h>
#endif

#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
#define strchr index
#define strrchr rindex
#endif

#ifdef I_TIME
#   include <time.h>
#endif

#ifdef I_SYS_TIME
#   ifdef I_SYS_TIME_KERNEL
#	define KERNEL
#   endif
#   include <sys/time.h>
#   ifdef I_SYS_TIME_KERNEL
#	undef KERNEL
#   endif
#endif

#ifndef MSDOS
#  if defined(HAS_TIMES) && defined(I_SYS_TIMES)
#    include <sys/times.h>
#  endif
#endif

#ifdef DOSISH
# if defined(OS2)
#   define PTHX_UNUSED
#   include "../os2ish.h"
# else
#   include "../dosish.h"
# endif
#else
# if defined(VMS)
#   define NO_PERL_TYPEDEFS
#   include "vmsish.h"
# endif
#endif

#ifndef STANDARD_C
/* All of these are in stdlib.h or time.h for ANSI C */
Time_t time();
struct tm *gmtime(), *localtime();
#if defined(OEMVS)
char *(strchr)(), *(strrchr)();
char *(strcpy)(), *(strcat)();
#else
char *strchr(), *strrchr();
char *strcpy(), *strcat();
#endif
#endif /* ! STANDARD_C */

#ifdef __cplusplus
#  define PERL_EXPORT_C extern "C"
#else
#  define PERL_EXPORT_C extern
#endif

#ifdef VMS
#  include "handy.h"
#else 
#  include "../handy.h"
#endif

#define Nullop 0

#define OPROG		1
#define OJUNK		2
#define OHUNKS		3
#define ORANGE		4
#define OPAT		5
#define OHUNK		6
#define OPPAREN		7
#define OPANDAND	8
#define OPOROR		9
#define OPNOT		10
#define OCPAREN		11
#define OCANDAND	12
#define OCOROR		13
#define OCNOT		14
#define ORELOP		15
#define ORPAREN		16
#define OMATCHOP	17
#define OMPAREN		18
#define OCONCAT		19
#define OASSIGN		20
#define OADD		21
#define OSUBTRACT	22
#define OMULT		23
#define ODIV		24
#define OMOD		25
#define OPOSTINCR	26
#define OPOSTDECR	27
#define OPREINCR	28
#define OPREDECR	29
#define OUMINUS		30
#define OUPLUS		31
#define OPAREN		32
#define OGETLINE	33
#define OSPRINTF	34
#define OSUBSTR		35
#define OSTRING		36
#define OSPLIT		37
#define OSNEWLINE	38
#define OINDEX		39
#define ONUM		40
#define OSTR		41
#define OVAR		42
#define OFLD		43
#define ONEWLINE	44
#define OCOMMENT	45
#define OCOMMA		46
#define OSEMICOLON	47
#define OSCOMMENT	48
#define OSTATES		49
#define OSTATE		50
#define OPRINT		51
#define OPRINTF		52
#define OBREAK		53
#define ONEXT		54
#define OEXIT		55
#define OCONTINUE	56
#define OREDIR		57
#define OIF		58
#define OWHILE		59
#define OFOR		60
#define OFORIN		61
#define OVFLD		62
#define OBLOCK		63
#define OREGEX		64
#define OLENGTH		65
#define OLOG		66
#define OEXP		67
#define OSQRT		68
#define OINT		69
#define ODO		70
#define OPOW		71
#define OSUB		72
#define OGSUB		73
#define OMATCH		74
#define OUSERFUN	75
#define OUSERDEF	76
#define OCLOSE		77
#define OATAN2		78
#define OSIN		79
#define OCOS		80
#define ORAND		81
#define OSRAND		82
#define ODELETE		83
#define OSYSTEM		84
#define OCOND		85
#define ORETURN		86
#define ODEFINED	87
#define OSTAR		88

#ifdef DOINIT
const char *opname[] = {
    "0",
    "PROG",
    "JUNK",
    "HUNKS",
    "RANGE",
    "PAT",
    "HUNK",
    "PPAREN",
    "PANDAND",
    "POROR",
    "PNOT",
    "CPAREN",
    "CANDAND",
    "COROR",
    "CNOT",
    "RELOP",
    "RPAREN",
    "MATCHOP",
    "MPAREN",
    "CONCAT",
    "ASSIGN",
    "ADD",
    "SUBTRACT",
    "MULT",
    "DIV",
    "MOD",
    "POSTINCR",
    "POSTDECR",
    "PREINCR",
    "PREDECR",
    "UMINUS",
    "UPLUS",
    "PAREN",
    "GETLINE",
    "SPRINTF",
    "SUBSTR",
    "STRING",
    "SPLIT",
    "SNEWLINE",
    "INDEX",
    "NUM",
    "STR",
    "VAR",
    "FLD",
    "NEWLINE",
    "COMMENT",
    "COMMA",
    "SEMICOLON",
    "SCOMMENT",
    "STATES",
    "STATE",
    "PRINT",
    "PRINTF",
    "BREAK",
    "NEXT",
    "EXIT",
    "CONTINUE",
    "REDIR",
    "IF",
    "WHILE",
    "FOR",
    "FORIN",
    "VFLD",
    "BLOCK",
    "REGEX",
    "LENGTH",
    "LOG",
    "EXP",
    "SQRT",
    "INT",
    "DO",
    "POW",
    "SUB",
    "GSUB",
    "MATCH",
    "USERFUN",
    "USERDEF",
    "CLOSE",
    "ATAN2",
    "SIN",
    "COS",
    "RAND",
    "SRAND",
    "DELETE",
    "SYSTEM",
    "COND",
    "RETURN",
    "DEFINED",
    "STAR",
    "89"
};
#else
extern const char *opname[];
#endif

EXT int mop INIT(1);

union u_ops {
    int ival;
    char *cval;
};
#define OPSMAX 50000
EXT union u_ops ops[OPSMAX];

typedef struct string STR;
typedef struct htbl HASH;

#include "str.h"
#include "hash.h"


/* A string is TRUE if not "" or "0". */
#define True(val) (tmps = (val), (*tmps && !(*tmps == '0' && !tmps[1])))
EXT const char *Yes INIT("1");
EXT const char *No INIT("");

#define str_get(str) (Str = (str), (Str->str_pok ? Str->str_ptr : str_2ptr(Str)))
EXT STR *Str;

#define GROWSTR(pp,lp,len) if (*(lp) < (len)) growstr(pp,lp,len)

/* Prototypes for things in a2p.c */
int aryrefarg ( int arg );
int bl ( int arg, int maybe );
void dump ( int branch );
int fixfargs ( int name, int arg, int prevargs );
int fixrargs ( char *name, int arg, int prevargs );
void fixup ( STR *str );
int numary ( int arg );
int oper0 ( int type );
int oper1 ( int type, int arg1 );
int oper2 ( int type, int arg1, int arg2 );
int oper3 ( int type, int arg1, int arg2, int arg3 );
int oper4 ( int type, int arg1, int arg2, int arg3, int arg4 );
int oper5 ( int type, int arg1, int arg2, int arg3, int arg4, int arg5 );
void putlines ( STR *str );
void putone ( void );
int rememberargs ( int arg );
char * scannum ( char *s );
char * scanpat ( char *s );
int string ( const char *ptr, int len );
void yyerror ( const char *s );
int yylex ( void );

EXT int line INIT(0);

EXT FILE *rsfp;
EXT char buf[2048];
EXT char *bufptr INIT(buf);

EXT STR *linestr INIT(NULL);

EXT char tokenbuf[2048];
EXT int expectterm INIT(TRUE);

#ifdef DEBUGGING
EXT int debug INIT(0);
EXT int dlevel INIT(0);
#define YYDEBUG 1
extern int yydebug;
#else
# ifndef YYDEBUG
#  define YYDEBUG 0
# endif
#endif

EXT STR *freestrroot INIT(NULL);

EXT STR str_no;
EXT STR str_yes;

EXT bool do_split INIT(FALSE);
EXT bool split_to_array INIT(FALSE);
EXT bool saw_RS INIT(FALSE);
EXT bool saw_OFS INIT(FALSE);
EXT bool saw_ORS INIT(FALSE);
EXT bool saw_line_op INIT(FALSE);
EXT bool in_begin INIT(TRUE);
EXT bool do_opens INIT(FALSE);
EXT bool do_fancy_opens INIT(FALSE);
EXT bool lval_field INIT(FALSE);
EXT bool do_chop INIT(FALSE);
EXT bool need_entire INIT(FALSE);
EXT bool absmaxfld INIT(FALSE);
EXT bool saw_altinput INIT(FALSE);

EXT bool nomemok INIT(FALSE);

EXT char const_FS INIT(0);
EXT char *namelist INIT(NULL);
EXT char fswitch INIT(0);
EXT bool old_awk INIT(0);

EXT int saw_FS INIT(0);
EXT int maxfld INIT(0);
EXT int arymax INIT(0);
EXT char *nameary[100];

EXT STR *opens;

EXT HASH *symtab;
EXT HASH *curarghash;

#define P_MIN		0
#define P_LISTOP	5
#define P_COMMA		10
#define P_ASSIGN	15
#define P_COND		20
#define P_DOTDOT	25
#define P_OROR		30
#define P_ANDAND	35
#define P_OR		40
#define P_AND		45
#define P_EQ		50
#define P_REL		55
#define P_UNI		60
#define P_FILETEST	65
#define P_SHIFT		70
#define P_ADD		75
#define P_MUL		80
#define P_MATCH		85
#define P_UNARY		90
#define P_POW		95
#define P_AUTO		100
#define P_MAX		999

EXT int an;