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03a14243 |
1 | /* $Header: perl.y,v 3.0.1.1 89/10/26 23:20:41 lwall Locked $ |
a687059c |
2 | * |
3 | * Copyright (c) 1989, Larry Wall |
4 | * |
5 | * You may distribute under the terms of the GNU General Public License |
6 | * as specified in the README file that comes with the perl 3.0 kit. |
8d063cd8 |
7 | * |
8 | * $Log: perl.y,v $ |
03a14243 |
9 | * Revision 3.0.1.1 89/10/26 23:20:41 lwall |
10 | * patch1: grandfathered "format stdout" |
11 | * patch1: operator(); is now normally equivalent to operator; |
12 | * |
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13 | * Revision 3.0 89/10/18 15:22:04 lwall |
14 | * 3.0 baseline |
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15 | * |
16 | */ |
17 | |
18 | %{ |
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19 | #include "INTERN.h" |
20 | #include "perl.h" |
378cc40b |
21 | |
378cc40b |
22 | STAB *scrstab; |
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23 | ARG *arg4; /* rarely used arguments to make_op() */ |
24 | ARG *arg5; |
378cc40b |
25 | |
8d063cd8 |
26 | %} |
27 | |
28 | %start prog |
29 | |
30 | %union { |
31 | int ival; |
32 | char *cval; |
33 | ARG *arg; |
34 | CMD *cmdval; |
35 | struct compcmd compval; |
36 | STAB *stabval; |
37 | FCMD *formval; |
38 | } |
39 | |
40 | %token <cval> WORD |
a687059c |
41 | %token <ival> APPEND OPEN SELECT LOOPEX |
378cc40b |
42 | %token <ival> USING FORMAT DO SHIFT PUSH POP LVALFUN |
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43 | %token <ival> WHILE UNTIL IF UNLESS ELSE ELSIF CONTINUE SPLIT FLIST |
44 | %token <ival> FOR FILOP FILOP2 FILOP3 FILOP4 FILOP22 FILOP25 |
45 | %token <ival> FUNC0 FUNC1 FUNC2 FUNC3 HSHFUN HSHFUN3 |
46 | %token <ival> FLIST2 SUB FILETEST LOCAL DELETE |
47 | %token <ival> RELOP EQOP MULOP ADDOP PACKAGE AMPER LFUNC4 |
8d063cd8 |
48 | %token <formval> FORMLIST |
a687059c |
49 | %token <stabval> REG ARYLEN ARY HSH STAR |
8d063cd8 |
50 | %token <arg> SUBST PATTERN |
51 | %token <arg> RSTRING TRANS |
52 | |
a687059c |
53 | %type <ival> prog decl format remember |
8d063cd8 |
54 | %type <stabval> |
55 | %type <cmdval> block lineseq line loop cond sideff nexpr else |
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56 | %type <arg> expr sexpr cexpr csexpr term handle aryword hshword |
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57 | %type <arg> texpr listop |
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58 | %type <cval> label |
59 | %type <compval> compblock |
60 | |
378cc40b |
61 | %nonassoc <ival> LISTOP |
8d063cd8 |
62 | %left ',' |
8d063cd8 |
63 | %right '=' |
64 | %right '?' ':' |
65 | %nonassoc DOTDOT |
66 | %left OROR |
67 | %left ANDAND |
68 | %left '|' '^' |
69 | %left '&' |
a687059c |
70 | %nonassoc EQOP |
71 | %nonassoc RELOP |
378cc40b |
72 | %nonassoc <ival> UNIOP |
73 | %nonassoc FILETEST |
8d063cd8 |
74 | %left LS RS |
a687059c |
75 | %left ADDOP |
76 | %left MULOP |
8d063cd8 |
77 | %left MATCH NMATCH |
78 | %right '!' '~' UMINUS |
a687059c |
79 | %right POW |
8d063cd8 |
80 | %nonassoc INC DEC |
81 | %left '(' |
82 | |
83 | %% /* RULES */ |
84 | |
85 | prog : lineseq |
a559c259 |
86 | { if (in_eval) |
87 | eval_root = block_head($1); |
88 | else |
89 | main_root = block_head($1); } |
8d063cd8 |
90 | ; |
91 | |
92 | compblock: block CONTINUE block |
93 | { $$.comp_true = $1; $$.comp_alt = $3; } |
94 | | block else |
95 | { $$.comp_true = $1; $$.comp_alt = $2; } |
96 | ; |
97 | |
98 | else : /* NULL */ |
99 | { $$ = Nullcmd; } |
100 | | ELSE block |
101 | { $$ = $2; } |
102 | | ELSIF '(' expr ')' compblock |
378cc40b |
103 | { cmdline = $1; |
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104 | $$ = make_ccmd(C_ELSIF,$3,$5); } |
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105 | ; |
106 | |
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107 | block : '{' remember lineseq '}' |
108 | { $$ = block_head($3); |
109 | if (savestack->ary_fill > $2) |
110 | restorelist($2); } |
111 | ; |
112 | |
113 | remember: /* NULL */ /* in case they push a package name */ |
114 | { $$ = savestack->ary_fill; } |
8d063cd8 |
115 | ; |
116 | |
117 | lineseq : /* NULL */ |
118 | { $$ = Nullcmd; } |
119 | | lineseq line |
120 | { $$ = append_line($1,$2); } |
121 | ; |
122 | |
123 | line : decl |
124 | { $$ = Nullcmd; } |
125 | | label cond |
126 | { $$ = add_label($1,$2); } |
127 | | loop /* loops add their own labels */ |
128 | | label ';' |
129 | { if ($1 != Nullch) { |
378cc40b |
130 | $$ = add_label($1, make_acmd(C_EXPR, Nullstab, |
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131 | Nullarg, Nullarg) ); |
132 | } else |
133 | $$ = Nullcmd; } |
134 | | label sideff ';' |
135 | { $$ = add_label($1,$2); } |
136 | ; |
137 | |
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138 | sideff : error |
139 | { $$ = Nullcmd; } |
140 | | expr |
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141 | { $$ = make_acmd(C_EXPR, Nullstab, $1, Nullarg); } |
a687059c |
142 | | expr IF expr |
8d063cd8 |
143 | { $$ = addcond( |
a687059c |
144 | make_acmd(C_EXPR, Nullstab, Nullarg, $1), $3); } |
145 | | expr UNLESS expr |
146 | { $$ = addcond(invert( |
147 | make_acmd(C_EXPR, Nullstab, Nullarg, $1)), $3); } |
148 | | expr WHILE expr |
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149 | { $$ = addloop( |
a687059c |
150 | make_acmd(C_EXPR, Nullstab, Nullarg, $1), $3); } |
151 | | expr UNTIL expr |
152 | { $$ = addloop(invert( |
153 | make_acmd(C_EXPR, Nullstab, Nullarg, $1)), $3); } |
8d063cd8 |
154 | ; |
155 | |
156 | cond : IF '(' expr ')' compblock |
378cc40b |
157 | { cmdline = $1; |
a687059c |
158 | $$ = make_icmd(C_IF,$3,$5); } |
8d063cd8 |
159 | | UNLESS '(' expr ')' compblock |
378cc40b |
160 | { cmdline = $1; |
a687059c |
161 | $$ = invert(make_icmd(C_IF,$3,$5)); } |
8d063cd8 |
162 | | IF block compblock |
378cc40b |
163 | { cmdline = $1; |
164 | $$ = make_ccmd(C_IF,cmd_to_arg($2),$3); } |
8d063cd8 |
165 | | UNLESS block compblock |
378cc40b |
166 | { cmdline = $1; |
167 | $$ = invert(make_ccmd(C_IF,cmd_to_arg($2),$3)); } |
8d063cd8 |
168 | ; |
169 | |
170 | loop : label WHILE '(' texpr ')' compblock |
378cc40b |
171 | { cmdline = $2; |
172 | $$ = wopt(add_label($1, |
8d063cd8 |
173 | make_ccmd(C_WHILE,$4,$6) )); } |
174 | | label UNTIL '(' expr ')' compblock |
378cc40b |
175 | { cmdline = $2; |
176 | $$ = wopt(add_label($1, |
8d063cd8 |
177 | invert(make_ccmd(C_WHILE,$4,$6)) )); } |
178 | | label WHILE block compblock |
378cc40b |
179 | { cmdline = $2; |
180 | $$ = wopt(add_label($1, |
8d063cd8 |
181 | make_ccmd(C_WHILE, cmd_to_arg($3),$4) )); } |
182 | | label UNTIL block compblock |
378cc40b |
183 | { cmdline = $2; |
184 | $$ = wopt(add_label($1, |
8d063cd8 |
185 | invert(make_ccmd(C_WHILE, cmd_to_arg($3),$4)) )); } |
378cc40b |
186 | | label FOR REG '(' expr ')' compblock |
187 | { cmdline = $2; |
188 | /* |
189 | * The following gobbledygook catches EXPRs that |
190 | * aren't explicit array refs and translates |
191 | * foreach VAR (EXPR) { |
192 | * into |
193 | * @ary = EXPR; |
194 | * foreach VAR (@ary) { |
195 | * where @ary is a hidden array made by genstab(). |
a687059c |
196 | * (Note that @ary may become a local array if |
197 | * it is determined that it might be called |
198 | * recursively. See cmd_tosave().) |
378cc40b |
199 | */ |
200 | if ($5->arg_type != O_ARRAY) { |
201 | scrstab = aadd(genstab()); |
202 | $$ = append_line( |
203 | make_acmd(C_EXPR, Nullstab, |
204 | l(make_op(O_ASSIGN,2, |
205 | listish(make_op(O_ARRAY, 1, |
206 | stab2arg(A_STAB,scrstab), |
207 | Nullarg,Nullarg, 1)), |
a687059c |
208 | listish(make_list($5)), |
209 | Nullarg)), |
378cc40b |
210 | Nullarg), |
211 | wopt(over($3,add_label($1, |
212 | make_ccmd(C_WHILE, |
213 | make_op(O_ARRAY, 1, |
214 | stab2arg(A_STAB,scrstab), |
a687059c |
215 | Nullarg,Nullarg ), |
378cc40b |
216 | $7))))); |
217 | } |
218 | else { |
219 | $$ = wopt(over($3,add_label($1, |
220 | make_ccmd(C_WHILE,$5,$7) ))); |
221 | } |
222 | } |
223 | | label FOR '(' expr ')' compblock |
224 | { cmdline = $2; |
225 | if ($4->arg_type != O_ARRAY) { |
226 | scrstab = aadd(genstab()); |
227 | $$ = append_line( |
228 | make_acmd(C_EXPR, Nullstab, |
229 | l(make_op(O_ASSIGN,2, |
230 | listish(make_op(O_ARRAY, 1, |
231 | stab2arg(A_STAB,scrstab), |
232 | Nullarg,Nullarg, 1 )), |
a687059c |
233 | listish(make_list($4)), |
234 | Nullarg)), |
378cc40b |
235 | Nullarg), |
236 | wopt(over(defstab,add_label($1, |
237 | make_ccmd(C_WHILE, |
238 | make_op(O_ARRAY, 1, |
239 | stab2arg(A_STAB,scrstab), |
a687059c |
240 | Nullarg,Nullarg ), |
378cc40b |
241 | $6))))); |
242 | } |
243 | else { /* lisp, anyone? */ |
244 | $$ = wopt(over(defstab,add_label($1, |
245 | make_ccmd(C_WHILE,$4,$6) ))); |
246 | } |
247 | } |
8d063cd8 |
248 | | label FOR '(' nexpr ';' texpr ';' nexpr ')' block |
249 | /* basically fake up an initialize-while lineseq */ |
250 | { yyval.compval.comp_true = $10; |
251 | yyval.compval.comp_alt = $8; |
378cc40b |
252 | cmdline = $2; |
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253 | $$ = append_line($4,wopt(add_label($1, |
254 | make_ccmd(C_WHILE,$6,yyval.compval) ))); } |
255 | | label compblock /* a block is a loop that happens once */ |
256 | { $$ = add_label($1,make_ccmd(C_BLOCK,Nullarg,$2)); } |
257 | ; |
258 | |
259 | nexpr : /* NULL */ |
260 | { $$ = Nullcmd; } |
261 | | sideff |
262 | ; |
263 | |
264 | texpr : /* NULL means true */ |
a687059c |
265 | { (void)scanstr("1"); $$ = yylval.arg; } |
8d063cd8 |
266 | | expr |
267 | ; |
268 | |
269 | label : /* empty */ |
270 | { $$ = Nullch; } |
271 | | WORD ':' |
272 | ; |
273 | |
8d063cd8 |
274 | decl : format |
275 | { $$ = 0; } |
276 | | subrout |
277 | { $$ = 0; } |
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278 | | package |
279 | { $$ = 0; } |
8d063cd8 |
280 | ; |
281 | |
a687059c |
282 | format : FORMAT WORD '=' FORMLIST |
03a14243 |
283 | { if (strEQ($2,"stdout")) |
284 | stab_form(stabent("STDOUT",TRUE)) = $4; |
285 | else if (strEQ($2,"stderr")) |
286 | stab_form(stabent("STDERR",TRUE)) = $4; |
287 | else |
288 | stab_form(stabent($2,TRUE)) = $4; |
289 | Safefree($2);} |
a687059c |
290 | | FORMAT '=' FORMLIST |
291 | { stab_form(stabent("STDOUT",TRUE)) = $3; } |
8d063cd8 |
292 | ; |
293 | |
294 | subrout : SUB WORD block |
378cc40b |
295 | { make_sub($2,$3); } |
8d063cd8 |
296 | ; |
297 | |
a687059c |
298 | package : PACKAGE WORD ';' |
299 | { char tmpbuf[256]; |
300 | |
301 | savehptr(&curstash); |
302 | saveitem(curstname); |
303 | str_set(curstname,$2); |
304 | sprintf(tmpbuf,"'_%s",$2); |
305 | curstash = stab_xhash(hadd(stabent(tmpbuf,TRUE))); |
306 | curstash->tbl_coeffsize = 0; |
307 | Safefree($2); |
308 | } |
309 | ; |
310 | |
311 | cexpr : ',' expr |
312 | { $$ = $2; } |
313 | ; |
314 | |
315 | expr : expr ',' sexpr |
316 | { $$ = make_op(O_COMMA, 2, $1, $3, Nullarg); } |
8d063cd8 |
317 | | sexpr |
318 | ; |
319 | |
a687059c |
320 | csexpr : ',' sexpr |
321 | { $$ = $2; } |
322 | ; |
323 | |
8d063cd8 |
324 | sexpr : sexpr '=' sexpr |
325 | { $1 = listish($1); |
a687059c |
326 | if ($1->arg_type == O_ASSIGN && $1->arg_len == 1) |
327 | $1->arg_type = O_ITEM; /* a local() */ |
8d063cd8 |
328 | if ($1->arg_type == O_LIST) |
329 | $3 = listish($3); |
a687059c |
330 | $$ = l(make_op(O_ASSIGN, 2, $1, $3, Nullarg)); } |
331 | | sexpr POW '=' sexpr |
332 | { $$ = l(make_op(O_POW, 2, $1, $4, Nullarg)); } |
333 | | sexpr MULOP '=' sexpr |
334 | { $$ = l(make_op($2, 2, $1, $4, Nullarg)); } |
335 | | sexpr ADDOP '=' sexpr |
336 | { $$ = rcatmaybe(l(make_op($2, 2, $1, $4, Nullarg)));} |
8d063cd8 |
337 | | sexpr LS '=' sexpr |
a687059c |
338 | { $$ = l(make_op(O_LEFT_SHIFT, 2, $1, $4, Nullarg)); } |
8d063cd8 |
339 | | sexpr RS '=' sexpr |
a687059c |
340 | { $$ = l(make_op(O_RIGHT_SHIFT, 2, $1, $4, Nullarg)); } |
8d063cd8 |
341 | | sexpr '&' '=' sexpr |
a687059c |
342 | { $$ = l(make_op(O_BIT_AND, 2, $1, $4, Nullarg)); } |
8d063cd8 |
343 | | sexpr '^' '=' sexpr |
a687059c |
344 | { $$ = l(make_op(O_XOR, 2, $1, $4, Nullarg)); } |
8d063cd8 |
345 | | sexpr '|' '=' sexpr |
a687059c |
346 | { $$ = l(make_op(O_BIT_OR, 2, $1, $4, Nullarg)); } |
347 | |
348 | |
349 | | sexpr POW sexpr |
350 | { $$ = make_op(O_POW, 2, $1, $3, Nullarg); } |
351 | | sexpr MULOP sexpr |
352 | { $$ = make_op($2, 2, $1, $3, Nullarg); } |
353 | | sexpr ADDOP sexpr |
354 | { $$ = make_op($2, 2, $1, $3, Nullarg); } |
8d063cd8 |
355 | | sexpr LS sexpr |
a687059c |
356 | { $$ = make_op(O_LEFT_SHIFT, 2, $1, $3, Nullarg); } |
8d063cd8 |
357 | | sexpr RS sexpr |
a687059c |
358 | { $$ = make_op(O_RIGHT_SHIFT, 2, $1, $3, Nullarg); } |
359 | | sexpr RELOP sexpr |
360 | { $$ = make_op($2, 2, $1, $3, Nullarg); } |
361 | | sexpr EQOP sexpr |
362 | { $$ = make_op($2, 2, $1, $3, Nullarg); } |
8d063cd8 |
363 | | sexpr '&' sexpr |
a687059c |
364 | { $$ = make_op(O_BIT_AND, 2, $1, $3, Nullarg); } |
8d063cd8 |
365 | | sexpr '^' sexpr |
a687059c |
366 | { $$ = make_op(O_XOR, 2, $1, $3, Nullarg); } |
8d063cd8 |
367 | | sexpr '|' sexpr |
a687059c |
368 | { $$ = make_op(O_BIT_OR, 2, $1, $3, Nullarg); } |
8d063cd8 |
369 | | sexpr DOTDOT sexpr |
a687059c |
370 | { arg4 = Nullarg; |
371 | $$ = make_op(O_F_OR_R, 4, $1, $3, Nullarg); } |
8d063cd8 |
372 | | sexpr ANDAND sexpr |
a687059c |
373 | { $$ = make_op(O_AND, 2, $1, $3, Nullarg); } |
8d063cd8 |
374 | | sexpr OROR sexpr |
a687059c |
375 | { $$ = make_op(O_OR, 2, $1, $3, Nullarg); } |
8d063cd8 |
376 | | sexpr '?' sexpr ':' sexpr |
a687059c |
377 | { $$ = make_op(O_COND_EXPR, 3, $1, $3, $5); } |
8d063cd8 |
378 | | sexpr MATCH sexpr |
379 | { $$ = mod_match(O_MATCH, $1, $3); } |
380 | | sexpr NMATCH sexpr |
381 | { $$ = mod_match(O_NMATCH, $1, $3); } |
382 | | term INC |
383 | { $$ = addflags(1, AF_POST|AF_UP, |
a687059c |
384 | l(make_op(O_ITEM,1,$1,Nullarg,Nullarg))); } |
8d063cd8 |
385 | | term DEC |
386 | { $$ = addflags(1, AF_POST, |
a687059c |
387 | l(make_op(O_ITEM,1,$1,Nullarg,Nullarg))); } |
8d063cd8 |
388 | | INC term |
389 | { $$ = addflags(1, AF_PRE|AF_UP, |
a687059c |
390 | l(make_op(O_ITEM,1,$2,Nullarg,Nullarg))); } |
8d063cd8 |
391 | | DEC term |
392 | { $$ = addflags(1, AF_PRE, |
a687059c |
393 | l(make_op(O_ITEM,1,$2,Nullarg,Nullarg))); } |
8d063cd8 |
394 | | term |
395 | { $$ = $1; } |
396 | ; |
397 | |
398 | term : '-' term %prec UMINUS |
a687059c |
399 | { $$ = make_op(O_NEGATE, 1, $2, Nullarg, Nullarg); } |
400 | | '+' term %prec UMINUS |
401 | { $$ = $2; } |
8d063cd8 |
402 | | '!' term |
a687059c |
403 | { $$ = make_op(O_NOT, 1, $2, Nullarg, Nullarg); } |
8d063cd8 |
404 | | '~' term |
a687059c |
405 | { $$ = make_op(O_COMPLEMENT, 1, $2, Nullarg, Nullarg);} |
378cc40b |
406 | | FILETEST WORD |
407 | { opargs[$1] = 0; /* force it special */ |
408 | $$ = make_op($1, 1, |
409 | stab2arg(A_STAB,stabent($2,TRUE)), |
a687059c |
410 | Nullarg, Nullarg); |
378cc40b |
411 | } |
412 | | FILETEST sexpr |
413 | { opargs[$1] = 1; |
a687059c |
414 | $$ = make_op($1, 1, $2, Nullarg, Nullarg); } |
378cc40b |
415 | | FILETEST |
416 | { opargs[$1] = ($1 != O_FTTTY); |
417 | $$ = make_op($1, 1, |
418 | stab2arg(A_STAB, |
a687059c |
419 | $1 == O_FTTTY?stabent("STDIN",TRUE):defstab), |
420 | Nullarg, Nullarg); } |
378cc40b |
421 | | LOCAL '(' expr ')' |
a687059c |
422 | { $$ = l(make_op(O_ITEM, 1, |
423 | localize(listish(make_list($3))), |
424 | Nullarg,Nullarg)); } |
8d063cd8 |
425 | | '(' expr ')' |
426 | { $$ = make_list(hide_ary($2)); } |
427 | | '(' ')' |
428 | { $$ = make_list(Nullarg); } |
378cc40b |
429 | | DO sexpr %prec FILETEST |
a687059c |
430 | { $$ = fixeval( |
431 | make_op(O_DOFILE,2,$2,Nullarg,Nullarg) ); |
432 | allstabs = TRUE;} |
8d063cd8 |
433 | | DO block %prec '(' |
434 | { $$ = cmd_to_arg($2); } |
435 | | REG %prec '(' |
378cc40b |
436 | { $$ = stab2arg(A_STAB,$1); } |
a687059c |
437 | | STAR %prec '(' |
438 | { $$ = stab2arg(A_STAR,$1); } |
8d063cd8 |
439 | | REG '[' expr ']' %prec '(' |
a687059c |
440 | { $$ = make_op(O_AELEM, 2, |
441 | stab2arg(A_STAB,aadd($1)), $3, Nullarg); } |
442 | | HSH %prec '(' |
443 | { $$ = make_op(O_HASH, 1, |
444 | stab2arg(A_STAB,$1), |
445 | Nullarg, Nullarg); } |
8d063cd8 |
446 | | ARY %prec '(' |
447 | { $$ = make_op(O_ARRAY, 1, |
378cc40b |
448 | stab2arg(A_STAB,$1), |
a687059c |
449 | Nullarg, Nullarg); } |
8d063cd8 |
450 | | REG '{' expr '}' %prec '(' |
a687059c |
451 | { $$ = make_op(O_HELEM, 2, |
452 | stab2arg(A_STAB,hadd($1)), |
453 | jmaybe($3), |
454 | Nullarg); } |
455 | | ARY '[' expr ']' %prec '(' |
456 | { $$ = make_op(O_ASLICE, 2, |
457 | stab2arg(A_STAB,aadd($1)), |
458 | listish(make_list($3)), |
459 | Nullarg); } |
460 | | ARY '{' expr '}' %prec '(' |
461 | { $$ = make_op(O_HSLICE, 2, |
462 | stab2arg(A_STAB,hadd($1)), |
463 | listish(make_list($3)), |
464 | Nullarg); } |
378cc40b |
465 | | DELETE REG '{' expr '}' %prec '(' |
466 | { $$ = make_op(O_DELETE, 2, |
a687059c |
467 | stab2arg(A_STAB,hadd($2)), |
468 | jmaybe($4), |
469 | Nullarg); } |
8d063cd8 |
470 | | ARYLEN %prec '(' |
378cc40b |
471 | { $$ = stab2arg(A_ARYLEN,$1); } |
8d063cd8 |
472 | | RSTRING %prec '(' |
473 | { $$ = $1; } |
474 | | PATTERN %prec '(' |
475 | { $$ = $1; } |
476 | | SUBST %prec '(' |
477 | { $$ = $1; } |
478 | | TRANS %prec '(' |
479 | { $$ = $1; } |
480 | | DO WORD '(' expr ')' |
a687059c |
481 | { $$ = make_op((perldb ? O_DBSUBR : O_SUBR), 2, |
482 | stab2arg(A_WORD,stabent($2,TRUE)), |
8d063cd8 |
483 | make_list($4), |
a687059c |
484 | Nullarg); Safefree($2); } |
485 | | AMPER WORD '(' expr ')' |
486 | { $$ = make_op((perldb ? O_DBSUBR : O_SUBR), 2, |
378cc40b |
487 | stab2arg(A_WORD,stabent($2,TRUE)), |
a687059c |
488 | make_list($4), |
489 | Nullarg); Safefree($2); } |
8d063cd8 |
490 | | DO WORD '(' ')' |
a687059c |
491 | { $$ = make_op((perldb ? O_DBSUBR : O_SUBR), 2, |
492 | stab2arg(A_WORD,stabent($2,TRUE)), |
8d063cd8 |
493 | make_list(Nullarg), |
a687059c |
494 | Nullarg); } |
495 | | AMPER WORD '(' ')' |
496 | { $$ = make_op((perldb ? O_DBSUBR : O_SUBR), 2, |
378cc40b |
497 | stab2arg(A_WORD,stabent($2,TRUE)), |
a687059c |
498 | make_list(Nullarg), |
499 | Nullarg); } |
500 | | AMPER WORD |
501 | { $$ = make_op((perldb ? O_DBSUBR : O_SUBR), 2, |
502 | stab2arg(A_WORD,stabent($2,TRUE)), |
503 | Nullarg, |
504 | Nullarg); } |
378cc40b |
505 | | DO REG '(' expr ')' |
a687059c |
506 | { $$ = make_op((perldb ? O_DBSUBR : O_SUBR), 2, |
507 | stab2arg(A_STAB,$2), |
378cc40b |
508 | make_list($4), |
a687059c |
509 | Nullarg); } |
510 | | AMPER REG '(' expr ')' |
511 | { $$ = make_op((perldb ? O_DBSUBR : O_SUBR), 2, |
378cc40b |
512 | stab2arg(A_STAB,$2), |
a687059c |
513 | make_list($4), |
514 | Nullarg); } |
378cc40b |
515 | | DO REG '(' ')' |
a687059c |
516 | { $$ = make_op((perldb ? O_DBSUBR : O_SUBR), 2, |
517 | stab2arg(A_STAB,$2), |
378cc40b |
518 | make_list(Nullarg), |
a687059c |
519 | Nullarg); } |
520 | | AMPER REG '(' ')' |
521 | { $$ = make_op((perldb ? O_DBSUBR : O_SUBR), 2, |
378cc40b |
522 | stab2arg(A_STAB,$2), |
a687059c |
523 | make_list(Nullarg), |
524 | Nullarg); } |
525 | | AMPER REG |
526 | { $$ = make_op((perldb ? O_DBSUBR : O_SUBR), 2, |
527 | stab2arg(A_STAB,$2), |
528 | Nullarg, |
529 | Nullarg); } |
8d063cd8 |
530 | | LOOPEX |
a687059c |
531 | { $$ = make_op($1,0,Nullarg,Nullarg,Nullarg); } |
8d063cd8 |
532 | | LOOPEX WORD |
533 | { $$ = make_op($1,1,cval_to_arg($2), |
a687059c |
534 | Nullarg,Nullarg); } |
8d063cd8 |
535 | | UNIOP |
a687059c |
536 | { $$ = make_op($1,1,Nullarg,Nullarg,Nullarg); |
537 | if ($1 == O_EVAL || $1 == O_RESET) |
538 | $$ = fixeval($$); } |
8d063cd8 |
539 | | UNIOP sexpr |
a687059c |
540 | { $$ = make_op($1,1,$2,Nullarg,Nullarg); |
541 | if ($1 == O_EVAL || $1 == O_RESET) |
542 | $$ = fixeval($$); } |
543 | | SELECT |
544 | { $$ = make_op(O_SELECT, 0, Nullarg, Nullarg, Nullarg);} |
545 | | SELECT '(' handle ')' |
546 | { $$ = make_op(O_SELECT, 1, $3, Nullarg, Nullarg); } |
547 | | SELECT '(' sexpr csexpr csexpr csexpr ')' |
548 | { arg4 = $6; |
549 | $$ = make_op(O_SSELECT, 4, $3, $4, $5); } |
8d063cd8 |
550 | | OPEN WORD %prec '(' |
551 | { $$ = make_op(O_OPEN, 2, |
378cc40b |
552 | stab2arg(A_WORD,stabent($2,TRUE)), |
553 | stab2arg(A_STAB,stabent($2,TRUE)), |
a687059c |
554 | Nullarg); } |
8d063cd8 |
555 | | OPEN '(' WORD ')' |
556 | { $$ = make_op(O_OPEN, 2, |
378cc40b |
557 | stab2arg(A_WORD,stabent($3,TRUE)), |
558 | stab2arg(A_STAB,stabent($3,TRUE)), |
a687059c |
559 | Nullarg); } |
560 | | OPEN '(' handle cexpr ')' |
378cc40b |
561 | { $$ = make_op(O_OPEN, 2, |
562 | $3, |
a687059c |
563 | $4, Nullarg); } |
564 | | FILOP '(' handle ')' |
565 | { $$ = make_op($1, 1, |
378cc40b |
566 | $3, |
a687059c |
567 | Nullarg, Nullarg); } |
568 | | FILOP WORD |
569 | { $$ = make_op($1, 1, |
378cc40b |
570 | stab2arg(A_WORD,stabent($2,TRUE)), |
a687059c |
571 | Nullarg, Nullarg); |
572 | Safefree($2); } |
573 | | FILOP REG |
574 | { $$ = make_op($1, 1, |
575 | stab2arg(A_STAB,$2), |
576 | Nullarg, Nullarg); } |
577 | | FILOP '(' ')' |
578 | { $$ = make_op($1, 1, |
378cc40b |
579 | stab2arg(A_WORD,Nullstab), |
a687059c |
580 | Nullarg, Nullarg); } |
581 | | FILOP %prec '(' |
582 | { $$ = make_op($1, 0, |
583 | Nullarg, Nullarg, Nullarg); } |
584 | | FILOP2 '(' handle cexpr ')' |
585 | { $$ = make_op($1, 2, $3, $4, Nullarg); } |
586 | | FILOP3 '(' handle csexpr cexpr ')' |
587 | { $$ = make_op($1, 3, $3, $4, $5); } |
588 | | FILOP22 '(' handle ',' handle ')' |
589 | { $$ = make_op($1, 2, $3, $5, Nullarg); } |
590 | | FILOP4 '(' handle csexpr csexpr cexpr ')' |
591 | { arg4 = $6; $$ = make_op($1, 4, $3, $4, $5); } |
592 | | FILOP25 '(' handle ',' handle csexpr csexpr cexpr ')' |
593 | { arg4 = $7; arg5 = $8; |
594 | $$ = make_op($1, 5, $3, $5, $6); } |
595 | | PUSH '(' aryword cexpr ')' |
8d063cd8 |
596 | { $$ = make_op($1, 2, |
a687059c |
597 | $3, |
598 | make_list($4), |
599 | Nullarg); } |
600 | | POP aryword %prec '(' |
601 | { $$ = make_op(O_POP, 1, $2, Nullarg, Nullarg); } |
602 | | POP '(' aryword ')' |
603 | { $$ = make_op(O_POP, 1, $3, Nullarg, Nullarg); } |
604 | | SHIFT aryword %prec '(' |
605 | { $$ = make_op(O_SHIFT, 1, $2, Nullarg, Nullarg); } |
606 | | SHIFT '(' aryword ')' |
607 | { $$ = make_op(O_SHIFT, 1, $3, Nullarg, Nullarg); } |
8d063cd8 |
608 | | SHIFT %prec '(' |
609 | { $$ = make_op(O_SHIFT, 1, |
a687059c |
610 | stab2arg(A_STAB, |
611 | aadd(stabent(subline ? "_" : "ARGV", TRUE))), |
612 | Nullarg, Nullarg); } |
8d063cd8 |
613 | | SPLIT %prec '(' |
a687059c |
614 | { (void)scanpat("/\\s+/"); |
615 | $$ = make_split(defstab,yylval.arg,Nullarg); } |
616 | | SPLIT '(' sexpr csexpr csexpr ')' |
617 | { $$ = mod_match(O_MATCH, $4, |
618 | make_split(defstab,$3,$5));} |
619 | | SPLIT '(' sexpr csexpr ')' |
620 | { $$ = mod_match(O_MATCH, $4, |
621 | make_split(defstab,$3,Nullarg) ); } |
8d063cd8 |
622 | | SPLIT '(' sexpr ')' |
623 | { $$ = mod_match(O_MATCH, |
378cc40b |
624 | stab2arg(A_STAB,defstab), |
a687059c |
625 | make_split(defstab,$3,Nullarg) ); } |
626 | | FLIST2 '(' sexpr cexpr ')' |
627 | { $$ = make_op($1, 2, |
8d063cd8 |
628 | $3, |
a687059c |
629 | listish(make_list($4)), |
630 | Nullarg); } |
631 | | FLIST '(' expr ')' |
632 | { $$ = make_op($1, 1, |
8d063cd8 |
633 | make_list($3), |
634 | Nullarg, |
a687059c |
635 | Nullarg); } |
636 | | LVALFUN sexpr %prec '(' |
637 | { $$ = l(make_op($1, 1, fixl($1,$2), |
638 | Nullarg, Nullarg)); } |
378cc40b |
639 | | LVALFUN |
640 | { $$ = l(make_op($1, 1, |
641 | stab2arg(A_STAB,defstab), |
a687059c |
642 | Nullarg, Nullarg)); } |
8d063cd8 |
643 | | FUNC0 |
a687059c |
644 | { $$ = make_op($1, 0, Nullarg, Nullarg, Nullarg); } |
03a14243 |
645 | | FUNC1 '(' ')' |
646 | { $$ = make_op($1, 1, Nullarg, Nullarg, Nullarg); |
647 | if ($1 == O_EVAL || $1 == O_RESET) |
648 | $$ = fixeval($$); } |
8d063cd8 |
649 | | FUNC1 '(' expr ')' |
a687059c |
650 | { $$ = make_op($1, 1, $3, Nullarg, Nullarg); |
651 | if ($1 == O_EVAL || $1 == O_RESET) |
652 | $$ = fixeval($$); } |
653 | | FUNC2 '(' sexpr cexpr ')' |
654 | { $$ = make_op($1, 2, $3, $4, Nullarg); |
378cc40b |
655 | if ($1 == O_INDEX && $$[2].arg_type == A_SINGLE) |
a687059c |
656 | fbmcompile($$[2].arg_ptr.arg_str,0); } |
657 | | FUNC3 '(' sexpr csexpr cexpr ')' |
658 | { $$ = make_op($1, 3, $3, $4, $5); } |
659 | | LFUNC4 '(' sexpr csexpr csexpr cexpr ')' |
660 | { arg4 = $6; $$ = make_op($1, 4, l($3), $4, $5); } |
661 | | HSHFUN '(' hshword ')' |
662 | { $$ = make_op($1, 1, |
663 | $3, |
664 | Nullarg, |
665 | Nullarg); } |
666 | | HSHFUN hshword |
8d063cd8 |
667 | { $$ = make_op($1, 1, |
a687059c |
668 | $2, |
8d063cd8 |
669 | Nullarg, |
a687059c |
670 | Nullarg); } |
671 | | HSHFUN3 '(' hshword csexpr cexpr ')' |
672 | { $$ = make_op($1, 3, $3, $4, $5); } |
378cc40b |
673 | | listop |
8d063cd8 |
674 | ; |
675 | |
378cc40b |
676 | listop : LISTOP |
8d063cd8 |
677 | { $$ = make_op($1,2, |
378cc40b |
678 | stab2arg(A_WORD,Nullstab), |
a687059c |
679 | stab2arg(A_STAB,defstab), |
680 | Nullarg); } |
378cc40b |
681 | | LISTOP expr |
a687059c |
682 | { $$ = make_op($1,2, |
378cc40b |
683 | stab2arg(A_WORD,Nullstab), |
a687059c |
684 | maybelistish($1,make_list($2)), |
685 | Nullarg); } |
378cc40b |
686 | | LISTOP WORD |
8d063cd8 |
687 | { $$ = make_op($1,2, |
378cc40b |
688 | stab2arg(A_WORD,stabent($2,TRUE)), |
a687059c |
689 | stab2arg(A_STAB,defstab), |
690 | Nullarg); } |
378cc40b |
691 | | LISTOP WORD expr |
a687059c |
692 | { $$ = make_op($1,2, |
378cc40b |
693 | stab2arg(A_WORD,stabent($2,TRUE)), |
a687059c |
694 | maybelistish($1,make_list($3)), |
695 | Nullarg); Safefree($2); } |
378cc40b |
696 | | LISTOP REG expr |
a687059c |
697 | { $$ = make_op($1,2, |
378cc40b |
698 | stab2arg(A_STAB,$2), |
a687059c |
699 | maybelistish($1,make_list($3)), |
700 | Nullarg); } |
701 | ; |
702 | |
703 | handle : WORD |
704 | { $$ = stab2arg(A_WORD,stabent($1,TRUE)); Safefree($1);} |
705 | | sexpr |
706 | ; |
707 | |
708 | aryword : WORD |
709 | { $$ = stab2arg(A_WORD,aadd(stabent($1,TRUE))); |
710 | Safefree($1); } |
711 | | ARY |
712 | { $$ = stab2arg(A_STAB,$1); } |
713 | ; |
714 | |
715 | hshword : WORD |
716 | { $$ = stab2arg(A_WORD,hadd(stabent($1,TRUE))); |
717 | Safefree($1); } |
718 | | HSH |
719 | { $$ = stab2arg(A_STAB,$1); } |
8d063cd8 |
720 | ; |
721 | |
722 | %% /* PROGRAM */ |