This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
Merge perly.y changes from 5.9.2 to now into madly.y.
[perl5.git] / madly.y
1 /*    perly.y
2  *
3  *    Copyright (c) 1991-2002, 2003, 2004 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  */
9
10 /*
11  * 'I see,' laughed Strider.  'I look foul and feel fair.  Is that it?
12  * All that is gold does not glitter, not all those who wander are lost.'
13  */
14
15 /*  Make the parser re-entrant. */
16
17 /* FIXME for MAD - is the new mintro on while and until important?  */
18 %pure_parser
19
20 %start prog
21
22 %union {
23     I32 ival;
24     char *pval;
25     TOKEN* tkval;
26     OP *opval;
27     GV *gvval;
28 }
29
30 %token <tkval> '{' '}' '[' ']' '-' '+' '$' '@' '%' '*'
31
32 %token <opval> WORD METHOD FUNCMETH THING PMFUNC PRIVATEREF
33 %token <opval> FUNC0SUB UNIOPSUB LSTOPSUB
34 %token <tkval> LABEL
35 %token <tkval> FORMAT SUB ANONSUB PACKAGE USE
36 %token <tkval> WHILE UNTIL IF UNLESS ELSE ELSIF CONTINUE FOR
37 %token <tkval> GIVEN WHEN DEFAULT
38 %token <tkval> LOOPEX DOTDOT
39 %token <tkval> FUNC0 FUNC1 FUNC UNIOP LSTOP
40 %token <tkval> RELOP EQOP MULOP ADDOP
41 %token <tkval> DOLSHARP DO HASHBRACK NOAMP
42 %token <tkval> LOCAL MY MYSUB REQUIRE
43 %token <tkval> COLONATTR
44
45 %type <ival> prog progstart remember mremember savescope
46 %type <ival>  startsub startanonsub startformsub
47 /* FIXME for MAD - are these two ival? */
48 %type <ival> mydefsv mintro
49
50 %type <tkval> '&' ';'
51
52 %type <opval> decl format subrout mysubrout package use peg
53
54 %type <opval> block mblock lineseq line loop cond else
55 %type <opval> expr term subscripted scalar ary hsh arylen star amper sideff
56 %type <opval> argexpr nexpr texpr iexpr mexpr mnexpr miexpr
57 %type <opval> listexpr listexprcom indirob listop method
58 %type <opval> formname subname proto subbody cont my_scalar
59 %type <opval> subattrlist myattrlist myattrterm myterm
60 %type <opval> termbinop termunop anonymous termdo
61 %type <opval> switch case
62 %type <tkval> label
63
64 %nonassoc <tkval> PREC_LOW
65 %nonassoc LOOPEX
66
67 %left <tkval> OROP DOROP
68 %left <tkval> ANDOP
69 %right <tkval> NOTOP
70 %nonassoc LSTOP LSTOPSUB
71 %left <tkval> ','
72 %right <tkval> ASSIGNOP
73 %right <tkval> '?' ':'
74 %nonassoc DOTDOT
75 %left <tkval> OROR DORDOR
76 %left <tkval> ANDAND
77 %left <tkval> BITOROP
78 %left <tkval> BITANDOP
79 %nonassoc EQOP
80 %nonassoc RELOP
81 %nonassoc UNIOP UNIOPSUB
82 %nonassoc REQUIRE
83 %left <tkval> SHIFTOP
84 %left ADDOP
85 %left MULOP
86 %left <tkval> MATCHOP
87 %right <tkval> '!' '~' UMINUS REFGEN
88 %right <tkval> POWOP
89 %nonassoc <tkval> PREINC PREDEC POSTINC POSTDEC
90 %left <tkval> ARROW
91 %nonassoc <tkval> ')'
92 %left <tkval> '('
93 %left '[' '{'
94
95 %token <tkval> PEG
96
97 %% /* RULES */
98
99 /* The whole program */
100 prog    :       progstart
101         /*CONTINUED*/   lineseq
102                         { $$ = $1; newPROG(block_end($1,$2)); }
103         ;
104
105 /* An ordinary block */
106 block   :       '{' remember lineseq '}'
107                         { if (PL_copline > (line_t)($1)->tk_lval.ival)
108                               PL_copline = (line_t)($1)->tk_lval.ival;
109                           $$ = block_end($2, $3);
110                           token_getmad($1,$$,'{');
111                           token_getmad($4,$$,'}');
112                         }
113         ;
114
115 remember:       /* NULL */      /* start a full lexical scope */
116                         { $$ = block_start(TRUE); }
117         ;
118
119 mydefsv:        /* NULL */      /* lexicalize $_ */
120                         { $$ = (I32) allocmy("$_"); }
121         ;
122
123 progstart:
124                 {
125                     PL_expect = XSTATE; $$ = block_start(TRUE);
126                 }
127         ;
128
129
130 mblock  :       '{' mremember lineseq '}'
131                         { if (PL_copline > (line_t)($1)->tk_lval.ival)
132                               PL_copline = (line_t)($1)->tk_lval.ival;
133                           $$ = block_end($2, $3);
134                           token_getmad($1,$$,'{');
135                           token_getmad($4,$$,'}');
136                         }
137         ;
138
139 mremember:      /* NULL */      /* start a partial lexical scope */
140                         { $$ = block_start(FALSE); }
141         ;
142
143 savescope:      /* NULL */      /* remember stack pos in case of error */
144                 { $$ = PL_savestack_ix; }
145
146 /* A collection of "lines" in the program */
147 lineseq :       /* NULL */
148                         { $$ = Nullop; }
149         |       lineseq decl
150 /*                      { $$ = $1 } */
151                         { $$ = append_list(OP_LINESEQ,
152                                 (LISTOP*)$1, (LISTOP*)$2); }
153         |       lineseq savescope line
154                         {   LEAVE_SCOPE($2);
155                             $$ = append_list(OP_LINESEQ,
156                                 (LISTOP*)$1, (LISTOP*)$3);
157                             PL_pad_reset_pending = TRUE;
158                             if ($1 && $3) PL_hints |= HINT_BLOCK_SCOPE; }
159         ;
160
161 /* A "line" in the program */
162 line    :       label cond
163                         { $$ = newSTATEOP(0, ($1)->tk_lval.pval, $2);
164                           token_getmad($1,((LISTOP*)$$)->op_first,'L'); }
165         |       loop    /* loops add their own labels */
166         |       switch  /* ... and so do switches */
167                         { $$ = $1; }
168         |       label case
169                         { $$ = newSTATEOP(0, ($1)->tk_lval.pval, $2); }
170         |       label ';'
171                         {
172                           if (($1)->tk_lval.pval) {
173                               $$ = newSTATEOP(0, ($1)->tk_lval.pval, newOP(OP_NULL, 0));
174                               token_getmad($1,$$,'L');
175                               token_getmad($2,((LISTOP*)$$)->op_first,';');
176                           }
177                           else {
178                               $$ = newOP(OP_NULL, 0);
179                               PL_copline = NOLINE;
180                               token_free($1);
181                               token_getmad($2,$$,';');
182                           }
183                           PL_expect = XSTATE;
184                         }
185         |       label sideff ';'
186                         { OP* op;
187                           $$ = newSTATEOP(0, ($1)->tk_lval.pval, $2);
188                           PL_expect = XSTATE;
189                           /* sideff might already have a nexstate */
190                           op = ((LISTOP*)$$)->op_first;
191                           if (op) {
192                               while (op->op_sibling &&
193                                  op->op_sibling->op_type == OP_NEXTSTATE)
194                                     op = op->op_sibling;
195                               token_getmad($1,op,'L');
196                               token_getmad($3,op,';');
197                           }
198                         }
199         ;
200
201 /* An expression which may have a side-effect */
202 sideff  :       error
203                         { $$ = Nullop; }
204         |       expr
205                         { $$ = $1; }
206         |       expr IF expr
207                         { $$ = newLOGOP(OP_AND, 0, $3, $1);
208                           token_getmad($2,$$,'i');
209                         }
210         |       expr UNLESS expr
211                         { $$ = newLOGOP(OP_OR, 0, $3, $1);
212                           token_getmad($2,$$,'i');
213                         }
214         |       expr WHILE expr
215                         { $$ = newLOOPOP(OPf_PARENS, 1, scalar($3), $1);
216                           token_getmad($2,$$,'w');
217                         }
218         |       expr UNTIL iexpr
219                         { $$ = newLOOPOP(OPf_PARENS, 1, $3, $1);
220                           token_getmad($2,$$,'w');
221                         }
222         |       expr FOR expr
223                         { $$ = newFOROP(0, Nullch, (line_t)($2)->tk_lval.ival,
224                                         Nullop, $3, $1, Nullop);
225                           token_getmad($2,((LISTOP*)$$)->op_first->op_sibling,'w');
226                         }
227         ;
228
229 /* else and elsif blocks */
230 else    :       /* NULL */
231                         { $$ = Nullop; }
232         |       ELSE mblock
233                         { ($2)->op_flags |= OPf_PARENS; $$ = scope($2);
234                           token_getmad($1,$$,'o');
235                         }
236         |       ELSIF '(' mexpr ')' mblock else
237                         { PL_copline = (line_t)($1)->tk_lval.ival;
238                             $$ = newCONDOP(0, $3, scope($5), $6);
239                             PL_hints |= HINT_BLOCK_SCOPE;
240                           token_getmad($1,$$,'I');
241                           token_getmad($2,$$,'(');
242                           token_getmad($4,$$,')');
243                         }
244         ;
245
246 /* Real conditional expressions */
247 cond    :       IF '(' remember mexpr ')' mblock else
248                         { PL_copline = (line_t)($1)->tk_lval.ival;
249                             $$ = block_end($3,
250                                    newCONDOP(0, $4, scope($6), $7));
251                           token_getmad($1,$$,'I');
252                           token_getmad($2,$$,'(');
253                           token_getmad($5,$$,')');
254                         }
255         |       UNLESS '(' remember miexpr ')' mblock else
256                         { PL_copline = (line_t)($1)->tk_lval.ival;
257                             $$ = block_end($3,
258                                    newCONDOP(0, $4, scope($6), $7));
259                           token_getmad($1,$$,'I');
260                           token_getmad($2,$$,'(');
261                           token_getmad($5,$$,')');
262                         }
263         ;
264
265 /* Cases for a switch statement */
266 case    :       WHEN '(' remember mexpr ')' mblock
267         { $$ = block_end($3,
268                 newWHENOP($4, scope($6))); }
269         |       DEFAULT block
270         { $$ = newWHENOP(0, scope($2)); }
271         ;
272
273 /* Continue blocks */
274 cont    :       /* NULL */
275                         { $$ = Nullop; }
276         |       CONTINUE block
277                         { $$ = scope($2);
278                           token_getmad($1,$$,'o');
279                         }
280         ;
281
282 /* Loops: while, until, for, and a bare block */
283 loop    :       label WHILE '(' remember texpr ')' mintro mblock cont
284                         { OP *innerop;
285                           PL_copline = (line_t)$2;
286                             $$ = block_end($4,
287                                    newSTATEOP(0, ($1)->tk_lval.pval,
288                                      innerop = newWHILEOP(0, 1, (LOOP*)Nullop,
289                                                 ($2)->tk_lval.ival, $5, $8, $9, $7)));
290                           token_getmad($1,innerop,'L');
291                           token_getmad($2,innerop,'W');
292                           token_getmad($3,innerop,'(');
293                           token_getmad($6,innerop,')');
294                         }
295
296         |       label UNTIL '(' remember iexpr ')' mintro mblock cont
297                         { OP *innerop;
298                           PL_copline = (line_t)$2;
299                             $$ = block_end($4,
300                                    newSTATEOP(0, ($1)->tk_lval.pval,
301                                      newWHILEOP(0, 1, (LOOP*)Nullop,
302                                                 ($2)->tk_lval.ival, $5, $8, $9, $7)));
303                           token_getmad($1,innerop,'L');
304                           token_getmad($2,innerop,'W');
305                           token_getmad($3,innerop,'(');
306                           token_getmad($6,innerop,')');
307                         }
308         |       label FOR MY remember my_scalar '(' mexpr ')' mblock cont
309                         { OP *innerop;
310                           $$ = block_end($4,
311                              innerop = newFOROP(0, ($1)->tk_lval.pval, (line_t)($2)->tk_lval.ival, $5, $7, $9, $10));
312                           token_getmad($1,((LISTOP*)innerop)->op_first,'L');
313                           token_getmad($2,((LISTOP*)innerop)->op_first->op_sibling,'W');
314                           token_getmad($3,((LISTOP*)innerop)->op_first->op_sibling,'d');
315                           token_getmad($6,((LISTOP*)innerop)->op_first->op_sibling,'(');
316                           token_getmad($8,((LISTOP*)innerop)->op_first->op_sibling,')');
317                         }
318         |       label FOR scalar '(' remember mexpr ')' mblock cont
319                         { OP *innerop;
320                           $$ = block_end($5,
321                              innerop = newFOROP(0, ($1)->tk_lval.pval, (line_t)($2)->tk_lval.ival, mod($3, OP_ENTERLOOP),
322                                           $6, $8, $9));
323                           token_getmad($1,((LISTOP*)innerop)->op_first,'L');
324                           token_getmad($2,((LISTOP*)innerop)->op_first->op_sibling,'W');
325                           token_getmad($4,((LISTOP*)innerop)->op_first->op_sibling,'(');
326                           token_getmad($7,((LISTOP*)innerop)->op_first->op_sibling,')');
327                         }
328         |       label FOR '(' remember mexpr ')' mblock cont
329                         { OP *innerop;
330                           $$ = block_end($4,
331                              innerop = newFOROP(0, ($1)->tk_lval.pval, (line_t)($2)->tk_lval.ival, Nullop, $5, $7, $8));
332                           token_getmad($1,((LISTOP*)innerop)->op_first,'L');
333                           token_getmad($2,((LISTOP*)innerop)->op_first->op_sibling,'W');
334                           token_getmad($3,((LISTOP*)innerop)->op_first->op_sibling,'(');
335                           token_getmad($6,((LISTOP*)innerop)->op_first->op_sibling,')');
336                         }
337         |       label FOR '(' remember mnexpr ';' texpr ';' mintro mnexpr ')'
338                     mblock
339                         /* basically fake up an initialize-while lineseq */
340                         { OP *forop;
341                           PL_copline = (line_t)($2)->tk_lval.ival;
342                           forop = newSTATEOP(0, ($1)->tk_lval.pval,
343                                             newWHILEOP(0, 1, (LOOP*)Nullop,
344                                                 ($2)->tk_lval.ival, scalar($7),
345                                                 $12, $10, $9));
346                           if (!$5)
347                                 $5 = newOP(OP_NULL, 0);
348                           forop = newUNOP(OP_NULL, 0, append_elem(OP_LINESEQ,
349                                 newSTATEOP(0,
350                                            (($1)->tk_lval.pval
351                                            ?savepv(($1)->tk_lval.pval):Nullch),
352                                            $5),
353                                 forop));
354
355                           token_getmad($2,forop,'3');
356                           token_getmad($3,forop,'(');
357                           token_getmad($6,forop,'1');
358                           token_getmad($8,forop,'2');
359                           token_getmad($11,forop,')');
360                           token_getmad($1,forop,'L');
361                           $$ = block_end($4, forop); }
362         |       label block cont  /* a block is a loop that happens once */
363                         { $$ = newSTATEOP(0, ($1)->tk_lval.pval,
364                                  newWHILEOP(0, 1, (LOOP*)Nullop,
365                                             NOLINE, Nullop, $2, $3, 0));
366                           token_getmad($1,((LISTOP*)$$)->op_first,'L'); }
367         ;
368
369 /* Switch blocks */
370 switch  :       label GIVEN '(' remember mydefsv mexpr ')' mblock
371                         { PL_copline = (line_t) $2;
372                             $$ = block_end($4,
373                                 newSTATEOP(0, ($1)->tk_lval.pval,
374                                     newGIVENOP($6, scope($8),
375                                         (PADOFFSET) $5) )); }
376         ;
377
378 /* determine whether there are any new my declarations */
379 mintro  :       /* NULL */
380                         { $$ = (PL_min_intro_pending &&
381                             PL_max_intro_pending >=  PL_min_intro_pending);
382                           intro_my(); }
383
384 /* Normal expression */
385 nexpr   :       /* NULL */
386                         { $$ = Nullop; }
387         |       sideff
388         ;
389
390 /* Boolean expression */
391 texpr   :       /* NULL means true */
392                         { YYSTYPE tmplval;
393                           (void)scan_num("1", &tmplval);
394                           $$ = tmplval.opval; }
395         |       expr
396         ;
397
398 /* Inverted boolean expression */
399 iexpr   :       expr
400                         { $$ = invert(scalar($1)); }
401         ;
402
403 /* Expression with its own lexical scope */
404 mexpr   :       expr
405                         { $$ = $1; intro_my(); }
406         ;
407
408 mnexpr  :       nexpr
409                         { $$ = $1; intro_my(); }
410         ;
411
412 miexpr  :       iexpr
413                         { $$ = $1; intro_my(); }
414         ;
415
416 /* Optional "MAIN:"-style loop labels */
417 label   :       /* empty */
418                         { YYSTYPE tmplval;
419                           tmplval.pval = Nullch;
420                           $$ = newTOKEN(OP_NULL, tmplval, 0); }
421         |       LABEL
422         ;
423
424 /* Some kind of declaration - just hang on peg in the parse tree */
425 decl    :       format
426                         { $$ = $1; }
427         |       subrout
428                         { $$ = $1; }
429         |       mysubrout
430                         { $$ = $1; }
431         |       package
432                         { $$ = $1; }
433         |       use
434                         { $$ = $1; }
435         |       peg
436                         { $$ = $1; }
437         ;
438
439 peg     :       PEG
440                         { $$ = newOP(OP_NULL,0);
441                           token_getmad($1,$$,'p');
442                         }
443         ;
444
445 format  :       FORMAT startformsub formname block
446                         { $$ = newFORM($2, $3, $4);
447                           prepend_madprops($1->tk_mad, $$, 'F');
448                           $1->tk_mad = 0;
449                           token_free($1);
450                         }
451         ;
452
453 formname:       WORD            { $$ = $1; }
454         |       /* NULL */      { $$ = Nullop; }
455         ;
456
457 /* Unimplemented "my sub foo { }" */
458 mysubrout:      MYSUB startsub subname proto subattrlist subbody
459                         { $$ = newMYSUB($2, $3, $4, $5, $6);
460                           token_getmad($1,$$,'d');
461                         }
462         ;
463
464 /* Subroutine definition */
465 subrout :       SUB startsub subname proto subattrlist subbody
466                         { OP* o = newSVOP(OP_ANONCODE, 0,
467                             (SV*)newATTRSUB($2, $3, $4, $5, $6));
468                           $$ = newOP(OP_NULL,0);
469                           op_getmad(o,$$,'&');
470                           op_getmad($3,$$,'n');
471                           op_getmad($4,$$,'s');
472                           op_getmad($5,$$,'a');
473                           token_getmad($1,$$,'d');
474                           append_madprops($6->op_madprop, $$, 0);
475                           $6->op_madprop = 0;
476                         }
477         ;
478
479 startsub:       /* NULL */      /* start a regular subroutine scope */
480                         { $$ = start_subparse(FALSE, 0); }
481         ;
482
483 startanonsub:   /* NULL */      /* start an anonymous subroutine scope */
484                         { $$ = start_subparse(FALSE, CVf_ANON); }
485         ;
486
487 startformsub:   /* NULL */      /* start a format subroutine scope */
488                         { $$ = start_subparse(TRUE, 0); }
489         ;
490
491 /* Name of a subroutine - must be a bareword, could be special */
492 subname :       WORD    { const char *const name = SvPV_nolen_const(((SVOP*)$1)->op_sv);
493                           if (strEQ(name, "BEGIN") || strEQ(name, "END")
494                               || strEQ(name, "INIT") || strEQ(name, "CHECK"))
495                               CvSPECIAL_on(PL_compcv);
496                           $$ = $1; }
497         ;
498
499 /* Subroutine prototype */
500 proto   :       /* NULL */
501                         { $$ = Nullop; }
502         |       THING
503         ;
504
505 /* Optional list of subroutine attributes */
506 subattrlist:    /* NULL */
507                         { $$ = Nullop; }
508         |       COLONATTR THING
509                         { $$ = $2;
510                           token_getmad($1,$$,':');
511                         }
512         |       COLONATTR
513                         { $$ = newOP(OP_NULL, 0);
514                           token_getmad($1,$$,':');
515                         }
516         ;
517
518 /* List of attributes for a "my" variable declaration */
519 myattrlist:     COLONATTR THING
520                         { $$ = $2;
521                           token_getmad($1,$$,':');
522                         }
523         |       COLONATTR
524                         { $$ = newOP(OP_NULL, 0);
525                           token_getmad($1,$$,':');
526                         }
527         ;
528
529 /* Subroutine body - either null or a block */
530 subbody :       block   { $$ = $1; }
531         |       ';'     { $$ = newOP(OP_NULL,0); PL_expect = XSTATE;
532                           token_getmad($1,$$,';');
533                         }
534         ;
535
536 package :       PACKAGE WORD ';'
537                         { $$ = package($2);
538                           token_getmad($1,$$,'o');
539                           token_getmad($3,$$,';');
540                         }
541         ;
542
543 use     :       USE startsub
544                         { CvSPECIAL_on(PL_compcv); /* It's a BEGIN {} */ }
545                     WORD WORD listexpr ';'
546                         { $$ = utilize(($1)->tk_lval.ival, $2, $4, $5, $6);
547                           token_getmad($1,$$,'o');
548                           token_getmad($7,$$,';');
549                           if (PL_rsfp_filters && AvFILLp(PL_rsfp_filters) >= 0)
550                               append_madprops(newMADPROP('!', MAD_PV, "", 0), $$, 0);
551                         }
552         ;
553
554 /* Ordinary expressions; logical combinations */
555 expr    :       expr ANDOP expr
556                         { $$ = newLOGOP(OP_AND, 0, $1, $3);
557                           token_getmad($2,$$,'o');
558                         }
559         |       expr OROP expr
560                         { $$ = newLOGOP(($2)->tk_lval.ival, 0, $1, $3);
561                           token_getmad($2,$$,'o');
562                         }
563         |       expr DOROP expr
564                         { $$ = newLOGOP(OP_DOR, 0, $1, $3);
565                           token_getmad($2,$$,'o');
566                         }
567         |       argexpr %prec PREC_LOW
568         ;
569
570 /* Expressions are a list of terms joined by commas */
571 argexpr :       argexpr ','
572                         { OP* op = newNULLLIST();
573                           token_getmad($2,op,',');
574                           $$ = append_elem(OP_LIST, $1, op);
575                         }
576         |       argexpr ',' term
577                         { 
578                           $3 = newUNOP(OP_NULL, 0, $3);
579                           token_getmad($2,$3,',');
580                           $$ = append_elem(OP_LIST, $1, $3);
581                         }
582         |       term %prec PREC_LOW
583         ;
584
585 /* List operators */
586 listop  :       LSTOP indirob argexpr          /* print $fh @args */
587                         { $$ = convert(($1)->tk_lval.ival, OPf_STACKED,
588                                 prepend_elem(OP_LIST, newGVREF(($1)->tk_lval.ival,$2), $3) );
589                           token_getmad($1,$$,'o');
590                         }
591         |       FUNC '(' indirob expr ')'      /* print ($fh @args */
592                         { $$ = convert(($1)->tk_lval.ival, OPf_STACKED,
593                                 prepend_elem(OP_LIST, newGVREF(($1)->tk_lval.ival,$3), $4) );
594                           token_getmad($1,$$,'o');
595                           token_getmad($2,$$,'(');
596                           token_getmad($5,$$,')');
597                         }
598         |       term ARROW method '(' listexprcom ')' /* $foo->bar(list) */
599                         { $$ = convert(OP_ENTERSUB, OPf_STACKED,
600                                 append_elem(OP_LIST,
601                                     prepend_elem(OP_LIST, scalar($1), $5),
602                                     newUNOP(OP_METHOD, 0, $3)));
603                           token_getmad($2,$$,'A');
604                           token_getmad($4,$$,'(');
605                           token_getmad($6,$$,')');
606                         }
607         |       term ARROW method                     /* $foo->bar */
608                         { $$ = convert(OP_ENTERSUB, OPf_STACKED,
609                                 append_elem(OP_LIST, scalar($1),
610                                     newUNOP(OP_METHOD, 0, $3)));
611                           token_getmad($2,$$,'A');
612                         }
613         |       METHOD indirob listexpr              /* new Class @args */
614                         { $$ = convert(OP_ENTERSUB, OPf_STACKED,
615                                 append_elem(OP_LIST,
616                                     prepend_elem(OP_LIST, $2, $3),
617                                     newUNOP(OP_METHOD, 0, $1)));
618                         }
619         |       FUNCMETH indirob '(' listexprcom ')' /* method $object (@args) */
620                         { $$ = convert(OP_ENTERSUB, OPf_STACKED,
621                                 append_elem(OP_LIST,
622                                     prepend_elem(OP_LIST, $2, $4),
623                                     newUNOP(OP_METHOD, 0, $1)));
624                           token_getmad($3,$$,'(');
625                           token_getmad($5,$$,')');
626                         }
627         |       LSTOP listexpr                       /* print @args */
628                         { $$ = convert(($1)->tk_lval.ival, 0, $2);
629                           token_getmad($1,$$,'o');
630                         }
631         |       FUNC '(' listexprcom ')'             /* print (@args) */
632                         { $$ = convert(($1)->tk_lval.ival, 0, $3);
633                           token_getmad($1,$$,'o');
634                           token_getmad($2,$$,'(');
635                           token_getmad($4,$$,')');
636                         }
637         |       LSTOPSUB startanonsub block          /* map { foo } ... */
638                         { $3 = newANONATTRSUB($2, 0, Nullop, $3); }
639                     listexpr            %prec LSTOP  /* ... @bar */
640                         { $$ = newUNOP(OP_ENTERSUB, OPf_STACKED,
641                                  append_elem(OP_LIST,
642                                    prepend_elem(OP_LIST, $3, $5), $1));
643                         }
644         ;
645
646 /* Names of methods. May use $object->$methodname */
647 method  :       METHOD
648         |       scalar
649         ;
650
651 /* Some kind of subscripted expression */
652 subscripted:    star '{' expr ';' '}'        /* *main::{something} */
653                         /* In this and all the hash accessors, ';' is
654                          * provided by the tokeniser */
655                         { $$ = newBINOP(OP_GELEM, 0, $1, scalar($3));
656                             PL_expect = XOPERATOR;
657                           token_getmad($2,$$,'{');
658                           token_getmad($4,$$,';');
659                           token_getmad($5,$$,'}');
660                         }
661         |       scalar '[' expr ']'          /* $array[$element] */
662                         { $$ = newBINOP(OP_AELEM, 0, oopsAV($1), scalar($3));
663                           token_getmad($2,$$,'[');
664                           token_getmad($4,$$,']');
665                         }
666         |       term ARROW '[' expr ']'      /* somearef->[$element] */
667                         { $$ = newBINOP(OP_AELEM, 0,
668                                         ref(newAVREF($1),OP_RV2AV),
669                                         scalar($4));
670                           token_getmad($2,$$,'a');
671                           token_getmad($3,$$,'[');
672                           token_getmad($5,$$,']');
673                         }
674         |       subscripted '[' expr ']'    /* $foo->[$bar]->[$baz] */
675                         { $$ = newBINOP(OP_AELEM, 0,
676                                         ref(newAVREF($1),OP_RV2AV),
677                                         scalar($3));
678                           token_getmad($2,$$,'[');
679                           token_getmad($4,$$,']');
680                         }
681         |       scalar '{' expr ';' '}'    /* $foo->{bar();} */
682                         { $$ = newBINOP(OP_HELEM, 0, oopsHV($1), jmaybe($3));
683                             PL_expect = XOPERATOR;
684                           token_getmad($2,$$,'{');
685                           token_getmad($4,$$,';');
686                           token_getmad($5,$$,'}');
687                         }
688         |       term ARROW '{' expr ';' '}' /* somehref->{bar();} */
689                         { $$ = newBINOP(OP_HELEM, 0,
690                                         ref(newHVREF($1),OP_RV2HV),
691                                         jmaybe($4));
692                             PL_expect = XOPERATOR;
693                           token_getmad($2,$$,'a');
694                           token_getmad($3,$$,'{');
695                           token_getmad($5,$$,';');
696                           token_getmad($6,$$,'}');
697                         }
698         |       subscripted '{' expr ';' '}' /* $foo->[bar]->{baz;} */
699                         { $$ = newBINOP(OP_HELEM, 0,
700                                         ref(newHVREF($1),OP_RV2HV),
701                                         jmaybe($3));
702                             PL_expect = XOPERATOR;
703                           token_getmad($2,$$,'{');
704                           token_getmad($4,$$,';');
705                           token_getmad($5,$$,'}');
706                         }
707         |       term ARROW '(' ')'          /* $subref->() */
708                         { $$ = newUNOP(OP_ENTERSUB, OPf_STACKED,
709                                    newCVREF(0, scalar($1)));
710                           token_getmad($2,$$,'a');
711                           token_getmad($3,$$,'(');
712                           token_getmad($4,$$,')');
713                         }
714         |       term ARROW '(' expr ')'     /* $subref->(@args) */
715                         { $$ = newUNOP(OP_ENTERSUB, OPf_STACKED,
716                                    append_elem(OP_LIST, $4,
717                                        newCVREF(0, scalar($1))));
718                           token_getmad($2,$$,'a');
719                           token_getmad($3,$$,'(');
720                           token_getmad($5,$$,')');
721                         }
722
723         |       subscripted '(' expr ')'   /* $foo->{bar}->(@args) */
724                         { $$ = newUNOP(OP_ENTERSUB, OPf_STACKED,
725                                    append_elem(OP_LIST, $3,
726                                                newCVREF(0, scalar($1))));
727                           token_getmad($2,$$,'(');
728                           token_getmad($4,$$,')');
729                         }
730         |       subscripted '(' ')'        /* $foo->{bar}->() */
731                         { $$ = newUNOP(OP_ENTERSUB, OPf_STACKED,
732                                    newCVREF(0, scalar($1)));
733                           token_getmad($2,$$,'(');
734                           token_getmad($3,$$,')');
735                         }
736         |       '(' expr ')' '[' expr ']'            /* list slice */
737                         { $$ = newSLICEOP(0, $5, $2);
738                           token_getmad($1,$$,'(');
739                           token_getmad($3,$$,')');
740                           token_getmad($4,$$,'[');
741                           token_getmad($6,$$,']');
742                         }
743         |       '(' ')' '[' expr ']'                 /* empty list slice! */
744                         { $$ = newSLICEOP(0, $4, Nullop);
745                           token_getmad($1,$$,'(');
746                           token_getmad($2,$$,')');
747                           token_getmad($3,$$,'[');
748                           token_getmad($5,$$,']');
749                         }
750     ;
751
752 /* Binary operators between terms */
753 termbinop:      term ASSIGNOP term             /* $x = $y */
754                         { $$ = newASSIGNOP(OPf_STACKED, $1, ($2)->tk_lval.ival, $3);
755                           token_getmad($2,$$,'o');
756                         }
757         |       term POWOP term                        /* $x ** $y */
758                         { $$ = newBINOP(($2)->tk_lval.ival, 0, scalar($1), scalar($3));
759                           token_getmad($2,$$,'o');
760                         }
761         |       term MULOP term                        /* $x * $y, $x x $y */
762                         {   if (($2)->tk_lval.ival != OP_REPEAT)
763                                 scalar($1);
764                             $$ = newBINOP(($2)->tk_lval.ival, 0, $1, scalar($3));
765                           token_getmad($2,$$,'o');
766                         }
767         |       term ADDOP term                        /* $x + $y */
768                         { $$ = newBINOP(($2)->tk_lval.ival, 0, scalar($1), scalar($3));
769                           token_getmad($2,$$,'o');
770                         }
771         |       term SHIFTOP term                      /* $x >> $y, $x << $y */
772                         { $$ = newBINOP(($2)->tk_lval.ival, 0, scalar($1), scalar($3));
773                           token_getmad($2,$$,'o');
774                         }
775         |       term RELOP term                        /* $x > $y, etc. */
776                         { $$ = newBINOP(($2)->tk_lval.ival, 0, scalar($1), scalar($3));
777                           token_getmad($2,$$,'o');
778                         }
779         |       term EQOP term                         /* $x == $y, $x eq $y */
780                         { $$ = newBINOP(($2)->tk_lval.ival, 0, scalar($1), scalar($3));
781                           token_getmad($2,$$,'o');
782                         }
783         |       term BITANDOP term                     /* $x & $y */
784                         { $$ = newBINOP(($2)->tk_lval.ival, 0, scalar($1), scalar($3));
785                           token_getmad($2,$$,'o');
786                         }
787         |       term BITOROP term                      /* $x | $y */
788                         { $$ = newBINOP(($2)->tk_lval.ival, 0, scalar($1), scalar($3));
789                           token_getmad($2,$$,'o');
790                         }
791         |       term DOTDOT term                       /* $x..$y, $x...$y */
792                         { UNOP *op;
793                           $$ = newRANGE(($2)->tk_lval.ival, scalar($1), scalar($3));
794                           op = (UNOP*)$$;
795                           op = (UNOP*)op->op_first;     /* get to flop */
796                           op = (UNOP*)op->op_first;     /* get to flip */
797                           op = (UNOP*)op->op_first;     /* get to range */
798                           token_getmad($2,(OP*)op,'o');
799                         }
800         |       term ANDAND term                       /* $x && $y */
801                         { $$ = newLOGOP(OP_AND, 0, $1, $3);
802                           token_getmad($2,$$,'o');
803                         }
804         |       term OROR term                         /* $x || $y */
805                         { $$ = newLOGOP(OP_OR, 0, $1, $3);
806                           token_getmad($2,$$,'o');
807                         }
808         |       term DORDOR term                       /* $x // $y */
809                         { $$ = newLOGOP(OP_DOR, 0, $1, $3);
810                           token_getmad($2,$$,'o');
811                         }
812         |       term MATCHOP term                      /* $x =~ /$y/ */
813                         { $$ = bind_match(($2)->tk_lval.ival, $1, $3);
814                           if ($$->op_type == OP_NOT)
815                               token_getmad($2,((UNOP*)$$)->op_first,'~');
816                             else
817                               token_getmad($2,$$,'~');
818                         }
819     ;
820
821 /* Unary operators and terms */
822 termunop : '-' term %prec UMINUS                       /* -$x */
823                         { $$ = newUNOP(OP_NEGATE, 0, scalar($2));
824                           token_getmad($1,$$,'o');
825                         }
826         |       '+' term %prec UMINUS                  /* +$x */
827                         { $$ = newUNOP(OP_NULL, 0, $2);
828                           token_getmad($1,$$,'+');
829                         }
830         |       '!' term                               /* !$x */
831                         { $$ = newUNOP(OP_NOT, 0, scalar($2));
832                           token_getmad($1,$$,'o');
833                         }
834         |       '~' term                               /* ~$x */
835                         { $$ = newUNOP(OP_COMPLEMENT, 0, scalar($2));
836                           token_getmad($1,$$,'o');
837                         }
838         |       term POSTINC                           /* $x++ */
839                         { $$ = newUNOP(OP_POSTINC, 0,
840                                         mod(scalar($1), OP_POSTINC));
841                           token_getmad($2,$$,'o');
842                         }
843         |       term POSTDEC                           /* $x-- */
844                         { $$ = newUNOP(OP_POSTDEC, 0,
845                                         mod(scalar($1), OP_POSTDEC));
846                           token_getmad($2,$$,'o');
847                         }
848         |       PREINC term                            /* ++$x */
849                         { $$ = newUNOP(OP_PREINC, 0,
850                                         mod(scalar($2), OP_PREINC));
851                           token_getmad($1,$$,'o');
852                         }
853         |       PREDEC term                            /* --$x */
854                         { $$ = newUNOP(OP_PREDEC, 0,
855                                         mod(scalar($2), OP_PREDEC));
856                           token_getmad($1,$$,'o');
857                         }
858
859     ;
860
861 /* Constructors for anonymous data */
862 anonymous:      '[' expr ']'
863                         { $$ = newANONLIST($2);
864                           token_getmad($1,$$,'[');
865                           token_getmad($3,$$,']');
866                         }
867         |       '[' ']'
868                         { $$ = newANONLIST(Nullop);
869                           token_getmad($1,$$,'[');
870                           token_getmad($2,$$,']');
871                         }
872         |       HASHBRACK expr ';' '}'  %prec '(' /* { foo => "Bar" } */
873                         { $$ = newANONHASH($2);
874                           token_getmad($1,$$,'{');
875                           token_getmad($3,$$,';');
876                           token_getmad($4,$$,'}');
877                         }
878         |       HASHBRACK ';' '}'       %prec '(' /* { } (';' by tokener) */
879                         { $$ = newANONHASH(Nullop);
880                           token_getmad($1,$$,'{');
881                           token_getmad($2,$$,';');
882                           token_getmad($3,$$,'}');
883                         }
884         |       ANONSUB startanonsub proto subattrlist block    %prec '('
885                         { $$ = newANONATTRSUB($2, $3, $4, $5);
886                           token_getmad($1,$$,'o');
887                           op_getmad($3,$$,'s');
888                           op_getmad($4,$$,'a');
889                         }
890
891     ;
892
893 /* Things called with "do" */
894 termdo  :       DO term %prec UNIOP                     /* do $filename */
895                         { $$ = dofile($2, $1);
896                           token_getmad($1,$$,'o');
897                         }
898         |       DO block        %prec '('               /* do { code */
899                         { $$ = newUNOP(OP_NULL, OPf_SPECIAL, scope($2));
900                           token_getmad($1,$$,'D');
901                         }
902         |       DO WORD '(' ')'                         /* do somesub() */
903                         { $$ = newUNOP(OP_ENTERSUB,
904                             OPf_SPECIAL|OPf_STACKED,
905                             prepend_elem(OP_LIST,
906                                 scalar(newCVREF(
907                                     (OPpENTERSUB_AMPER<<8),
908                                     scalar($2)
909                                 )),Nullop)); dep();
910                           token_getmad($1,$$,'o');
911                           token_getmad($3,$$,'(');
912                           token_getmad($4,$$,')');
913                         }
914         |       DO WORD '(' expr ')'                    /* do somesub(@args) */
915                         { $$ = newUNOP(OP_ENTERSUB,
916                             OPf_SPECIAL|OPf_STACKED,
917                             append_elem(OP_LIST,
918                                 $4,
919                                 scalar(newCVREF(
920                                     (OPpENTERSUB_AMPER<<8),
921                                     scalar($2)
922                                 )))); dep();
923                           token_getmad($1,$$,'o');
924                           token_getmad($3,$$,'(');
925                           token_getmad($5,$$,')');
926                         }
927         |       DO scalar '(' ')'                      /* do $subref () */
928                         { $$ = newUNOP(OP_ENTERSUB, OPf_SPECIAL|OPf_STACKED,
929                             prepend_elem(OP_LIST,
930                                 scalar(newCVREF(0,scalar($2))), Nullop)); dep();
931                           token_getmad($1,$$,'o');
932                           token_getmad($3,$$,'(');
933                           token_getmad($4,$$,')');
934                         }
935         |       DO scalar '(' expr ')'                 /* do $subref (@args) */
936                         { $$ = newUNOP(OP_ENTERSUB, OPf_SPECIAL|OPf_STACKED,
937                             prepend_elem(OP_LIST,
938                                 $4,
939                                 scalar(newCVREF(0,scalar($2))))); dep();
940                           token_getmad($1,$$,'o');
941                           token_getmad($3,$$,'(');
942                           token_getmad($5,$$,')');
943                         }
944
945         ;
946
947 term    :       termbinop
948         |       termunop
949         |       anonymous
950         |       termdo
951         |       term '?' term ':' term
952                         { $$ = newCONDOP(0, $1, $3, $5);
953                           token_getmad($2,$$,'?');
954                           token_getmad($4,$$,':');
955                         }
956         |       REFGEN term                          /* \$x, \@y, \%z */
957                         { $$ = newUNOP(OP_REFGEN, 0, mod($2,OP_REFGEN));
958                           token_getmad($1,$$,'o');
959                         }
960         |       myattrterm      %prec UNIOP
961                         { $$ = $1; }
962         |       LOCAL term      %prec UNIOP
963                         { $$ = localize($2,($1)->tk_lval.ival);
964                           token_getmad($1,$$,'d');
965                         }
966         |       '(' expr ')'
967                         { $$ = sawparens(newUNOP(OP_NULL,0,$2));
968                           token_getmad($1,$$,'(');
969                           token_getmad($3,$$,')');
970                         }
971         |       '(' ')'
972                         { $$ = sawparens(newNULLLIST());
973                           token_getmad($1,$$,'(');
974                           token_getmad($2,$$,')');
975                         }
976         |       scalar  %prec '('
977                         { $$ = $1; }
978         |       star    %prec '('
979                         { $$ = $1; }
980         |       hsh     %prec '('
981                         { $$ = $1; }
982         |       ary     %prec '('
983                         { $$ = $1; }
984         |       arylen  %prec '('                    /* $#x, $#{ something } */
985                         { $$ = newUNOP(OP_AV2ARYLEN, 0, ref($1, OP_AV2ARYLEN));}
986         |       subscripted
987                         { $$ = $1; }
988         |       ary '[' expr ']'                     /* array slice */
989                         { $$ = prepend_elem(OP_ASLICE,
990                                 newOP(OP_PUSHMARK, 0),
991                                     newLISTOP(OP_ASLICE, 0,
992                                         list($3),
993                                         ref($1, OP_ASLICE)));
994                           token_getmad($2,$$,'[');
995                           token_getmad($4,$$,']');
996                         }
997         |       ary '{' expr ';' '}'                 /* @hash{@keys} */
998                         { $$ = prepend_elem(OP_HSLICE,
999                                 newOP(OP_PUSHMARK, 0),
1000                                     newLISTOP(OP_HSLICE, 0,
1001                                         list($3),
1002                                         ref(oopsHV($1), OP_HSLICE)));
1003                             PL_expect = XOPERATOR;
1004                           token_getmad($2,$$,'{');
1005                           token_getmad($4,$$,';');
1006                           token_getmad($5,$$,'}');
1007                         }
1008         |       THING   %prec '('
1009                         { $$ = $1; }
1010         |       amper                                /* &foo; */
1011                         { $$ = newUNOP(OP_ENTERSUB, 0, scalar($1)); }
1012         |       amper '(' ')'                        /* &foo() */
1013                         { $$ = newUNOP(OP_ENTERSUB, OPf_STACKED, scalar($1));
1014                           token_getmad($2,$$,'(');
1015                           token_getmad($3,$$,')');
1016                         }
1017         |       amper '(' expr ')'                   /* &foo(@args) */
1018                         { OP* op;
1019                           $$ = newUNOP(OP_ENTERSUB, OPf_STACKED,
1020                                 append_elem(OP_LIST, $3, scalar($1)));
1021                           op = $$;
1022                           if (op->op_type == OP_CONST) { /* defeat const fold */
1023                             op = (OP*)op->op_madprop->mad_val;
1024                           }
1025                           token_getmad($2,op,'(');
1026                           token_getmad($4,op,')');
1027                         }
1028         |       NOAMP WORD listexpr                  /* foo(@args) */
1029                         { $$ = newUNOP(OP_ENTERSUB, OPf_STACKED,
1030                             append_elem(OP_LIST, $3, scalar($2)));
1031                           token_getmad($1,$$,'o');
1032                         }
1033         |       LOOPEX  /* loop exiting command (goto, last, dump, etc) */
1034                         { $$ = newOP(($1)->tk_lval.ival, OPf_SPECIAL);
1035                             PL_hints |= HINT_BLOCK_SCOPE;
1036                           token_getmad($1,$$,'o');
1037                         }
1038         |       LOOPEX term
1039                         { $$ = newLOOPEX(($1)->tk_lval.ival,$2);
1040                           token_getmad($1,$$,'o');
1041                         }
1042         |       NOTOP argexpr                        /* not $foo */
1043                         { $$ = newUNOP(OP_NOT, 0, scalar($2));
1044                           token_getmad($1,$$,'o');
1045                         }
1046         |       UNIOP                                /* Unary op, $_ implied */
1047                         { $$ = newOP(($1)->tk_lval.ival, 0);
1048                           token_getmad($1,$$,'o');
1049                         }
1050         |       UNIOP block                          /* eval { foo }, I *think* */
1051                         { $$ = newUNOP(($1)->tk_lval.ival, 0, $2);
1052                           token_getmad($1,$$,'o');
1053                         }
1054         |       UNIOP term                           /* Unary op */
1055                         { $$ = newUNOP(($1)->tk_lval.ival, 0, $2);
1056                           token_getmad($1,$$,'o');
1057                         }
1058         |       REQUIRE                              /* require, $_ implied *//* FIMXE for MAD needed? */
1059                         { $$ = newOP(OP_REQUIRE, $1 ? OPf_SPECIAL : 0); }
1060         |       REQUIRE term                         /* require Foo *//* FIMXE for MAD needed? */
1061                         { $$ = newUNOP(OP_REQUIRE, $1 ? OPf_SPECIAL : 0, $2); }
1062         |       UNIOPSUB term                        /* Sub treated as unop */
1063                         { $$ = newUNOP(OP_ENTERSUB, OPf_STACKED,
1064                             append_elem(OP_LIST, $2, scalar($1))); }
1065         |       FUNC0                                /* Nullary operator */
1066                         { $$ = newOP(($1)->tk_lval.ival, 0);
1067                           token_getmad($1,$$,'o');
1068                         }
1069         |       FUNC0 '(' ')'
1070                         { $$ = newOP(($1)->tk_lval.ival, 0);
1071                           token_getmad($1,$$,'o');
1072                           token_getmad($2,$$,'(');
1073                           token_getmad($3,$$,')');
1074                         }
1075         |       FUNC0SUB                             /* Sub treated as nullop */
1076                         { $$ = newUNOP(OP_ENTERSUB, OPf_STACKED,
1077                                 scalar($1)); }
1078         |       FUNC1 '(' ')'                        /* not () */
1079                         { $$ = newOP(($1)->tk_lval.ival, OPf_SPECIAL);
1080                           token_getmad($1,$$,'o');
1081                           token_getmad($2,$$,'(');
1082                           token_getmad($3,$$,')');
1083                         }
1084         |       FUNC1 '(' expr ')'                   /* not($foo) */
1085                         { $$ = newUNOP(($1)->tk_lval.ival, 0, $3);
1086                           token_getmad($1,$$,'o');
1087                           token_getmad($2,$$,'(');
1088                           token_getmad($4,$$,')');
1089                         }
1090         |       PMFUNC '(' argexpr ')'          /* m//, s///, tr/// */
1091                         { $$ = pmruntime($1, $3, 1);
1092                           token_getmad($2,$$,'(');
1093                           token_getmad($4,$$,')');
1094                         }
1095         |       WORD
1096         |       listop
1097         ;
1098
1099 /* "my" declarations, with optional attributes */
1100 myattrterm:     MY myterm myattrlist
1101                         { $$ = my_attrs($2,$3);
1102                           token_getmad($1,$$,'d');
1103                           append_madprops($3->op_madprop, $$, 'a');
1104                           $3->op_madprop = 0;
1105                         }
1106         |       MY myterm
1107                         { $$ = localize($2,($1)->tk_lval.ival);
1108                           token_getmad($1,$$,'d');
1109                         }
1110         ;
1111
1112 /* Things that can be "my"'d */
1113 myterm  :       '(' expr ')'
1114                         { $$ = sawparens($2);
1115                           token_getmad($1,$$,'(');
1116                           token_getmad($3,$$,')');
1117                         }
1118         |       '(' ')'
1119                         { $$ = sawparens(newNULLLIST());
1120                           token_getmad($1,$$,'(');
1121                           token_getmad($2,$$,')');
1122                         }
1123         |       scalar  %prec '('
1124                         { $$ = $1; }
1125         |       hsh     %prec '('
1126                         { $$ = $1; }
1127         |       ary     %prec '('
1128                         { $$ = $1; }
1129         ;
1130
1131 /* Basic list expressions */
1132 listexpr:       /* NULL */ %prec PREC_LOW
1133                         { $$ = Nullop; }
1134         |       argexpr    %prec PREC_LOW
1135                         { $$ = $1; }
1136         ;
1137
1138 listexprcom:    /* NULL */
1139                         { $$ = Nullop; }
1140         |       expr
1141                         { $$ = $1; }
1142         |       expr ','
1143                         { OP* op = newNULLLIST();
1144                           token_getmad($2,op,',');
1145                           $$ = append_elem(OP_LIST, $1, op);
1146                         }
1147         ;
1148
1149 /* A little bit of trickery to make "for my $foo (@bar)" actually be
1150    lexical */
1151 my_scalar:      scalar
1152                         { PL_in_my = 0; $$ = my($1); }
1153         ;
1154
1155 amper   :       '&' indirob
1156                         { $$ = newCVREF(($1)->tk_lval.ival,$2);
1157                           token_getmad($1,$$,'&');
1158                         }
1159         ;
1160
1161 scalar  :       '$' indirob
1162                         { $$ = newSVREF($2);
1163                           token_getmad($1,$$,'$');
1164                         }
1165         ;
1166
1167 ary     :       '@' indirob
1168                         { $$ = newAVREF($2);
1169                           token_getmad($1,$$,'@');
1170                         }
1171         ;
1172
1173 hsh     :       '%' indirob
1174                         { $$ = newHVREF($2);
1175                           token_getmad($1,$$,'%');
1176                         }
1177         ;
1178
1179 arylen  :       DOLSHARP indirob
1180                         { $$ = newAVREF($2);
1181                           token_getmad($1,$$,'l');
1182                         }
1183         ;
1184
1185 star    :       '*' indirob
1186                         { $$ = newGVREF(0,$2);
1187                           token_getmad($1,$$,'*');
1188                         }
1189         ;
1190
1191 /* Indirect objects */
1192 indirob :       WORD
1193                         { $$ = scalar($1); }
1194         |       scalar %prec PREC_LOW
1195                         { $$ = scalar($1); }
1196         |       block
1197                         { $$ = scope($1); }
1198
1199         |       PRIVATEREF
1200                         { $$ = $1; }
1201         ;