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1 | /* $RCSfile: a2p.h,v $$Revision: 4.0.1.2 $$Date: 92/06/08 16:12:23 $ |
2 | * | |
3 | * Copyright (c) 1991, Larry Wall | |
4 | * | |
5 | * You may distribute under the terms of either the GNU General Public | |
6 | * License or the Artistic License, as specified in the README file. | |
7 | * | |
8 | * $Log: a2p.h,v $ | |
9 | * Revision 4.0.1.2 92/06/08 16:12:23 lwall | |
10 | * patch20: hash tables now split only if the memory is available to do so | |
11 | * | |
12 | * Revision 4.0.1.1 91/06/07 12:12:27 lwall | |
13 | * patch4: new copyright notice | |
14 | * | |
15 | * Revision 4.0 91/03/20 01:57:07 lwall | |
16 | * 4.0 baseline. | |
17 | * | |
18 | */ | |
19 | ||
20 | #define VOIDUSED 1 | |
21 | #include "../config.h" | |
22 | ||
23 | #ifndef HAS_BCOPY | |
24 | # define bcopy(s1,s2,l) memcpy(s2,s1,l) | |
25 | #endif | |
26 | #ifndef HAS_BZERO | |
27 | # define bzero(s,l) memset(s,0,l) | |
28 | #endif | |
29 | ||
30 | #include "handy.h" | |
31 | #define Nullop 0 | |
32 | ||
33 | #define OPROG 1 | |
34 | #define OJUNK 2 | |
35 | #define OHUNKS 3 | |
36 | #define ORANGE 4 | |
37 | #define OPAT 5 | |
38 | #define OHUNK 6 | |
39 | #define OPPAREN 7 | |
40 | #define OPANDAND 8 | |
41 | #define OPOROR 9 | |
42 | #define OPNOT 10 | |
43 | #define OCPAREN 11 | |
44 | #define OCANDAND 12 | |
45 | #define OCOROR 13 | |
46 | #define OCNOT 14 | |
47 | #define ORELOP 15 | |
48 | #define ORPAREN 16 | |
49 | #define OMATCHOP 17 | |
50 | #define OMPAREN 18 | |
51 | #define OCONCAT 19 | |
52 | #define OASSIGN 20 | |
53 | #define OADD 21 | |
54 | #define OSUBTRACT 22 | |
55 | #define OMULT 23 | |
56 | #define ODIV 24 | |
57 | #define OMOD 25 | |
58 | #define OPOSTINCR 26 | |
59 | #define OPOSTDECR 27 | |
60 | #define OPREINCR 28 | |
61 | #define OPREDECR 29 | |
62 | #define OUMINUS 30 | |
63 | #define OUPLUS 31 | |
64 | #define OPAREN 32 | |
65 | #define OGETLINE 33 | |
66 | #define OSPRINTF 34 | |
67 | #define OSUBSTR 35 | |
68 | #define OSTRING 36 | |
69 | #define OSPLIT 37 | |
70 | #define OSNEWLINE 38 | |
71 | #define OINDEX 39 | |
72 | #define ONUM 40 | |
73 | #define OSTR 41 | |
74 | #define OVAR 42 | |
75 | #define OFLD 43 | |
76 | #define ONEWLINE 44 | |
77 | #define OCOMMENT 45 | |
78 | #define OCOMMA 46 | |
79 | #define OSEMICOLON 47 | |
80 | #define OSCOMMENT 48 | |
81 | #define OSTATES 49 | |
82 | #define OSTATE 50 | |
83 | #define OPRINT 51 | |
84 | #define OPRINTF 52 | |
85 | #define OBREAK 53 | |
86 | #define ONEXT 54 | |
87 | #define OEXIT 55 | |
88 | #define OCONTINUE 56 | |
89 | #define OREDIR 57 | |
90 | #define OIF 58 | |
91 | #define OWHILE 59 | |
92 | #define OFOR 60 | |
93 | #define OFORIN 61 | |
94 | #define OVFLD 62 | |
95 | #define OBLOCK 63 | |
96 | #define OREGEX 64 | |
97 | #define OLENGTH 65 | |
98 | #define OLOG 66 | |
99 | #define OEXP 67 | |
100 | #define OSQRT 68 | |
101 | #define OINT 69 | |
102 | #define ODO 70 | |
103 | #define OPOW 71 | |
104 | #define OSUB 72 | |
105 | #define OGSUB 73 | |
106 | #define OMATCH 74 | |
107 | #define OUSERFUN 75 | |
108 | #define OUSERDEF 76 | |
109 | #define OCLOSE 77 | |
110 | #define OATAN2 78 | |
111 | #define OSIN 79 | |
112 | #define OCOS 80 | |
113 | #define ORAND 81 | |
114 | #define OSRAND 82 | |
115 | #define ODELETE 83 | |
116 | #define OSYSTEM 84 | |
117 | #define OCOND 85 | |
118 | #define ORETURN 86 | |
119 | #define ODEFINED 87 | |
120 | #define OSTAR 88 | |
121 | ||
122 | #ifdef DOINIT | |
123 | char *opname[] = { | |
124 | "0", | |
125 | "PROG", | |
126 | "JUNK", | |
127 | "HUNKS", | |
128 | "RANGE", | |
129 | "PAT", | |
130 | "HUNK", | |
131 | "PPAREN", | |
132 | "PANDAND", | |
133 | "POROR", | |
134 | "PNOT", | |
135 | "CPAREN", | |
136 | "CANDAND", | |
137 | "COROR", | |
138 | "CNOT", | |
139 | "RELOP", | |
140 | "RPAREN", | |
141 | "MATCHOP", | |
142 | "MPAREN", | |
143 | "CONCAT", | |
144 | "ASSIGN", | |
145 | "ADD", | |
146 | "SUBTRACT", | |
147 | "MULT", | |
148 | "DIV", | |
149 | "MOD", | |
150 | "POSTINCR", | |
151 | "POSTDECR", | |
152 | "PREINCR", | |
153 | "PREDECR", | |
154 | "UMINUS", | |
155 | "UPLUS", | |
156 | "PAREN", | |
157 | "GETLINE", | |
158 | "SPRINTF", | |
159 | "SUBSTR", | |
160 | "STRING", | |
161 | "SPLIT", | |
162 | "SNEWLINE", | |
163 | "INDEX", | |
164 | "NUM", | |
165 | "STR", | |
166 | "VAR", | |
167 | "FLD", | |
168 | "NEWLINE", | |
169 | "COMMENT", | |
170 | "COMMA", | |
171 | "SEMICOLON", | |
172 | "SCOMMENT", | |
173 | "STATES", | |
174 | "STATE", | |
175 | "PRINT", | |
176 | "PRINTF", | |
177 | "BREAK", | |
178 | "NEXT", | |
179 | "EXIT", | |
180 | "CONTINUE", | |
181 | "REDIR", | |
182 | "IF", | |
183 | "WHILE", | |
184 | "FOR", | |
185 | "FORIN", | |
186 | "VFLD", | |
187 | "BLOCK", | |
188 | "REGEX", | |
189 | "LENGTH", | |
190 | "LOG", | |
191 | "EXP", | |
192 | "SQRT", | |
193 | "INT", | |
194 | "DO", | |
195 | "POW", | |
196 | "SUB", | |
197 | "GSUB", | |
198 | "MATCH", | |
199 | "USERFUN", | |
200 | "USERDEF", | |
201 | "CLOSE", | |
202 | "ATAN2", | |
203 | "SIN", | |
204 | "COS", | |
205 | "RAND", | |
206 | "SRAND", | |
207 | "DELETE", | |
208 | "SYSTEM", | |
209 | "COND", | |
210 | "RETURN", | |
211 | "DEFINED", | |
212 | "STAR", | |
213 | "89" | |
214 | }; | |
215 | #else | |
216 | extern char *opname[]; | |
217 | #endif | |
218 | ||
219 | EXT int mop INIT(1); | |
220 | ||
221 | union u_ops { | |
222 | int ival; | |
223 | char *cval; | |
224 | }; | |
225 | #if defined(iAPX286) || defined(M_I286) || defined(I80286) /* 80286 hack */ | |
226 | #define OPSMAX (64000/sizeof(union u_ops)) /* approx. max segment size */ | |
227 | #else | |
228 | #define OPSMAX 50000 | |
229 | #endif /* 80286 hack */ | |
230 | union u_ops ops[OPSMAX]; | |
231 | ||
232 | #include <stdio.h> | |
233 | #include <ctype.h> | |
234 | ||
235 | typedef struct string STR; | |
236 | typedef struct htbl HASH; | |
237 | ||
238 | #include "str.h" | |
239 | #include "hash.h" | |
240 | ||
241 | /* A string is TRUE if not "" or "0". */ | |
242 | #define True(val) (tmps = (val), (*tmps && !(*tmps == '0' && !tmps[1]))) | |
243 | EXT char *Yes INIT("1"); | |
244 | EXT char *No INIT(""); | |
245 | ||
246 | #define str_true(str) (Str = (str), (Str->str_pok ? True(Str->str_ptr) : (Str->str_nok ? (Str->str_nval != 0.0) : 0 ))) | |
247 | ||
248 | #define str_peek(str) (Str = (str), (Str->str_pok ? Str->str_ptr : (Str->str_nok ? (sprintf(buf,"num(%g)",Str->str_nval),buf) : "" ))) | |
249 | #define str_get(str) (Str = (str), (Str->str_pok ? Str->str_ptr : str_2ptr(Str))) | |
250 | #define str_gnum(str) (Str = (str), (Str->str_nok ? Str->str_nval : str_2num(Str))) | |
251 | EXT STR *Str; | |
252 | ||
253 | #define GROWSTR(pp,lp,len) if (*(lp) < (len)) growstr(pp,lp,len) | |
254 | ||
255 | STR *str_new(); | |
256 | ||
257 | char *scanpat(); | |
258 | char *scannum(); | |
259 | ||
260 | void str_free(); | |
261 | ||
262 | EXT int line INIT(0); | |
263 | ||
264 | EXT FILE *rsfp; | |
265 | EXT char buf[2048]; | |
266 | EXT char *bufptr INIT(buf); | |
267 | ||
268 | EXT STR *linestr INIT(Nullstr); | |
269 | ||
270 | EXT char tokenbuf[2048]; | |
271 | EXT int expectterm INIT(TRUE); | |
272 | ||
273 | #ifdef DEBUGGING | |
274 | EXT int debug INIT(0); | |
275 | EXT int dlevel INIT(0); | |
276 | #define YYDEBUG 1 | |
277 | extern int yydebug; | |
278 | #endif | |
279 | ||
280 | EXT STR *freestrroot INIT(Nullstr); | |
281 | ||
282 | EXT STR str_no; | |
283 | EXT STR str_yes; | |
284 | ||
285 | EXT bool do_split INIT(FALSE); | |
286 | EXT bool split_to_array INIT(FALSE); | |
287 | EXT bool set_array_base INIT(FALSE); | |
288 | EXT bool saw_RS INIT(FALSE); | |
289 | EXT bool saw_OFS INIT(FALSE); | |
290 | EXT bool saw_ORS INIT(FALSE); | |
291 | EXT bool saw_line_op INIT(FALSE); | |
292 | EXT bool in_begin INIT(TRUE); | |
293 | EXT bool do_opens INIT(FALSE); | |
294 | EXT bool do_fancy_opens INIT(FALSE); | |
295 | EXT bool lval_field INIT(FALSE); | |
296 | EXT bool do_chop INIT(FALSE); | |
297 | EXT bool need_entire INIT(FALSE); | |
298 | EXT bool absmaxfld INIT(FALSE); | |
299 | EXT bool saw_altinput INIT(FALSE); | |
300 | ||
301 | EXT bool nomemok INIT(FALSE); | |
302 | ||
303 | EXT char const_FS INIT(0); | |
304 | EXT char *namelist INIT(Nullch); | |
305 | EXT char fswitch INIT(0); | |
306 | ||
307 | EXT int saw_FS INIT(0); | |
308 | EXT int maxfld INIT(0); | |
309 | EXT int arymax INIT(0); | |
310 | char *nameary[100]; | |
311 | ||
312 | EXT STR *opens; | |
313 | ||
314 | EXT HASH *symtab; | |
315 | EXT HASH *curarghash; | |
316 | ||
317 | #define P_MIN 0 | |
318 | #define P_LISTOP 5 | |
319 | #define P_COMMA 10 | |
320 | #define P_ASSIGN 15 | |
321 | #define P_COND 20 | |
322 | #define P_DOTDOT 25 | |
323 | #define P_OROR 30 | |
324 | #define P_ANDAND 35 | |
325 | #define P_OR 40 | |
326 | #define P_AND 45 | |
327 | #define P_EQ 50 | |
328 | #define P_REL 55 | |
329 | #define P_UNI 60 | |
330 | #define P_FILETEST 65 | |
331 | #define P_SHIFT 70 | |
332 | #define P_ADD 75 | |
333 | #define P_MUL 80 | |
334 | #define P_MATCH 85 | |
335 | #define P_UNARY 90 | |
336 | #define P_POW 95 | |
337 | #define P_AUTO 100 | |
338 | #define P_MAX 999 |