Commit | Line | Data |
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a0d0e21e | 1 | /* perly.y |
a687059c | 2 | * |
f05e27e5 | 3 | * Copyright (c) 1991-2002, 2003, 2004, 2005, 2006 Larry Wall |
a687059c | 4 | * |
9ef589d8 LW |
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. | |
8d063cd8 | 7 | * |
a0d0e21e LW |
8 | */ |
9 | ||
10 | /* | |
11 | * 'I see,' laughed Strider. 'I look foul and feel fair. Is that it? | |
14a38fd5 | 12 | * All that is gold does not glitter, not all those who wander are lost.' |
f05e27e5 DM |
13 | * |
14 | * This file holds the grammar for the Perl language. If edited, you need | |
166f8a29 DM |
15 | * to run regen_perly.pl, which re-creates the files perly.h, perly.tab |
16 | * and perly.act which are derived from this. | |
17 | * | |
f05e27e5 DM |
18 | * Note that these derived files are included and compiled twice; once |
19 | * from perly.c, and once from madly.c. The second time, a number of MAD | |
20 | * macros are defined, which compile in extra code that allows the parse | |
21 | * tree to be accurately dumped. In particular: | |
22 | * | |
23 | * MAD defined if compiling madly.c | |
24 | * DO_MAD(A) expands to A under madly.c, to null otherwise | |
25 | * IF_MAD(a,b) expands to A under madly.c, to B otherwise | |
26 | * TOKEN_GETMAD() expands to token_getmad() under madly.c, to null otherwise | |
27 | * TOKEN_FREE() similarly | |
28 | * OP_GETMAD() similarly | |
29 | * IVAL(i) expands to (i)->tk_lval.ival or (i) | |
30 | * PVAL(p) expands to (p)->tk_lval.pval or (p) | |
31 | * | |
166f8a29 DM |
32 | * The main job of of this grammar is to call the various newFOO() |
33 | * functions in op.c to build a syntax tree of OP structs. | |
61296642 | 34 | * It relies on the lexer in toke.c to do the tokenizing. |
29522234 DM |
35 | * |
36 | * Note: due to the way that the cleanup code works WRT to freeing ops on | |
37 | * the parse stack, it is dangerous to assign to the $n variables within | |
38 | * an action. | |
166f8a29 DM |
39 | */ |
40 | ||
0de566d7 | 41 | /* Make the parser re-entrant. */ |
8d063cd8 | 42 | |
0de566d7 | 43 | %pure_parser |
8d063cd8 | 44 | |
f05e27e5 DM |
45 | /* FIXME for MAD - is the new mintro on while and until important? */ |
46 | ||
0de566d7 | 47 | %start prog |
9d116dd7 | 48 | |
8d063cd8 | 49 | %union { |
d5c6462e DM |
50 | I32 ival; /* __DEFAULT__ (marker for regen_perly.pl; |
51 | must always be 1st union member) */ | |
79072805 LW |
52 | char *pval; |
53 | OP *opval; | |
54 | GV *gvval; | |
f05e27e5 DM |
55 | #ifdef PERL_IN_MADLY_C |
56 | TOKEN* p_tkval; | |
123d08c9 | 57 | TOKEN* i_tkval; |
f05e27e5 DM |
58 | #else |
59 | char *p_tkval; | |
123d08c9 DM |
60 | I32 i_tkval; |
61 | #endif | |
62 | #ifdef PERL_MAD | |
63 | TOKEN* tkval; | |
f05e27e5 | 64 | #endif |
8d063cd8 LW |
65 | } |
66 | ||
123d08c9 | 67 | %token <i_tkval> '{' '}' '[' ']' '-' '+' '$' '@' '%' '*' '&' ';' |
f0fcb552 | 68 | |
a0d0e21e | 69 | %token <opval> WORD METHOD FUNCMETH THING PMFUNC PRIVATEREF |
4633a7c4 | 70 | %token <opval> FUNC0SUB UNIOPSUB LSTOPSUB |
f05e27e5 | 71 | %token <p_tkval> LABEL |
123d08c9 DM |
72 | %token <i_tkval> FORMAT SUB ANONSUB PACKAGE USE |
73 | %token <i_tkval> WHILE UNTIL IF UNLESS ELSE ELSIF CONTINUE FOR | |
74 | %token <i_tkval> GIVEN WHEN DEFAULT | |
75 | %token <i_tkval> LOOPEX DOTDOT | |
76 | %token <i_tkval> FUNC0 FUNC1 FUNC UNIOP LSTOP | |
77 | %token <i_tkval> RELOP EQOP MULOP ADDOP | |
78 | %token <i_tkval> DOLSHARP DO HASHBRACK NOAMP | |
79 | %token <i_tkval> LOCAL MY MYSUB REQUIRE | |
80 | %token <i_tkval> COLONATTR | |
f05e27e5 DM |
81 | |
82 | %type <ival> prog progstart remember mremember savescope | |
83 | %type <ival> startsub startanonsub startformsub | |
84 | /* FIXME for MAD - are these two ival? */ | |
85 | %type <ival> mydefsv mintro | |
86 | ||
87 | %type <opval> decl format subrout mysubrout package use peg | |
88 | ||
bbce6d69 | 89 | %type <opval> block mblock lineseq line loop cond else |
fad39ff1 | 90 | %type <opval> expr term subscripted scalar ary hsh arylen star amper sideff |
a034e688 | 91 | %type <opval> argexpr nexpr texpr iexpr mexpr mnexpr miexpr |
44a8e56a | 92 | %type <opval> listexpr listexprcom indirob listop method |
93 | %type <opval> formname subname proto subbody cont my_scalar | |
f05e27e5 | 94 | %type <opval> subattrlist myattrlist myattrterm myterm |
891be019 | 95 | %type <opval> termbinop termunop anonymous termdo |
0d863452 | 96 | %type <opval> switch case |
f05e27e5 | 97 | %type <p_tkval> label |
79072805 | 98 | |
123d08c9 | 99 | %nonassoc <i_tkval> PREC_LOW |
fad39ff1 SM |
100 | %nonassoc LOOPEX |
101 | ||
123d08c9 DM |
102 | %left <i_tkval> OROP DOROP |
103 | %left <i_tkval> ANDOP | |
104 | %right <i_tkval> NOTOP | |
36477c24 | 105 | %nonassoc LSTOP LSTOPSUB |
123d08c9 DM |
106 | %left <i_tkval> ',' |
107 | %right <i_tkval> ASSIGNOP | |
108 | %right <i_tkval> '?' ':' | |
8d063cd8 | 109 | %nonassoc DOTDOT |
123d08c9 DM |
110 | %left <i_tkval> OROR DORDOR |
111 | %left <i_tkval> ANDAND | |
112 | %left <i_tkval> BITOROP | |
113 | %left <i_tkval> BITANDOP | |
a687059c LW |
114 | %nonassoc EQOP |
115 | %nonassoc RELOP | |
36477c24 | 116 | %nonassoc UNIOP UNIOPSUB |
20515881 | 117 | %nonassoc REQUIRE |
123d08c9 | 118 | %left <i_tkval> SHIFTOP |
a687059c LW |
119 | %left ADDOP |
120 | %left MULOP | |
123d08c9 DM |
121 | %left <i_tkval> MATCHOP |
122 | %right <i_tkval> '!' '~' UMINUS REFGEN | |
123 | %right <i_tkval> POWOP | |
124 | %nonassoc <i_tkval> PREINC PREDEC POSTINC POSTDEC | |
125 | %left <i_tkval> ARROW | |
126 | %nonassoc <i_tkval> ')' | |
127 | %left <i_tkval> '(' | |
fad39ff1 | 128 | %left '[' '{' |
8d063cd8 | 129 | |
123d08c9 | 130 | %token <i_tkval> PEG |
7f46837f | 131 | |
8d063cd8 LW |
132 | %% /* RULES */ |
133 | ||
891be019 | 134 | /* The whole program */ |
ecb2f335 | 135 | prog : progstart |
ae986130 | 136 | /*CONTINUED*/ lineseq |
ecb2f335 | 137 | { $$ = $1; newPROG(block_end($1,$2)); } |
8d063cd8 LW |
138 | ; |
139 | ||
891be019 | 140 | /* An ordinary block */ |
a687059c | 141 | block : '{' remember lineseq '}' |
f05e27e5 DM |
142 | { if (PL_copline > (line_t)IVAL($1)) |
143 | PL_copline = (line_t)IVAL($1); | |
144 | $$ = block_end($2, $3); | |
145 | TOKEN_GETMAD($1,$$,'{'); | |
146 | TOKEN_GETMAD($4,$$,'}'); | |
147 | } | |
a0d0e21e LW |
148 | ; |
149 | ||
55497cff | 150 | remember: /* NULL */ /* start a full lexical scope */ |
151 | { $$ = block_start(TRUE); } | |
152 | ; | |
153 | ||
0d863452 RH |
154 | mydefsv: /* NULL */ /* lexicalize $_ */ |
155 | { $$ = (I32) allocmy("$_"); } | |
156 | ; | |
157 | ||
ecb2f335 NIS |
158 | progstart: |
159 | { | |
ecb2f335 NIS |
160 | PL_expect = XSTATE; $$ = block_start(TRUE); |
161 | } | |
162 | ; | |
163 | ||
164 | ||
bbce6d69 | 165 | mblock : '{' mremember lineseq '}' |
f05e27e5 DM |
166 | { if (PL_copline > (line_t)IVAL($1)) |
167 | PL_copline = (line_t)IVAL($1); | |
168 | $$ = block_end($2, $3); | |
169 | TOKEN_GETMAD($1,$$,'{'); | |
170 | TOKEN_GETMAD($4,$$,'}'); | |
171 | } | |
55497cff | 172 | ; |
173 | ||
174 | mremember: /* NULL */ /* start a partial lexical scope */ | |
175 | { $$ = block_start(FALSE); } | |
8d063cd8 LW |
176 | ; |
177 | ||
500bedb6 DM |
178 | savescope: /* NULL */ /* remember stack pos in case of error */ |
179 | { $$ = PL_savestack_ix; } | |
180 | ||
891be019 | 181 | /* A collection of "lines" in the program */ |
8d063cd8 | 182 | lineseq : /* NULL */ |
79072805 LW |
183 | { $$ = Nullop; } |
184 | | lineseq decl | |
f05e27e5 DM |
185 | { |
186 | $$ = IF_MAD( | |
187 | append_list(OP_LINESEQ, | |
188 | (LISTOP*)$1, (LISTOP*)$2), | |
189 | $1); | |
190 | } | |
500bedb6 DM |
191 | | lineseq savescope line |
192 | { LEAVE_SCOPE($2); | |
193 | $$ = append_list(OP_LINESEQ, | |
194 | (LISTOP*)$1, (LISTOP*)$3); | |
3280af22 | 195 | PL_pad_reset_pending = TRUE; |
500bedb6 | 196 | if ($1 && $3) PL_hints |= HINT_BLOCK_SCOPE; } |
8d063cd8 LW |
197 | ; |
198 | ||
891be019 | 199 | /* A "line" in the program */ |
79072805 | 200 | line : label cond |
f05e27e5 DM |
201 | { $$ = newSTATEOP(0, PVAL($1), $2); |
202 | TOKEN_GETMAD($1,((LISTOP*)$$)->op_first,'L'); } | |
8d063cd8 | 203 | | loop /* loops add their own labels */ |
0d863452 RH |
204 | | switch /* ... and so do switches */ |
205 | { $$ = $1; } | |
206 | | label case | |
f05e27e5 | 207 | { $$ = newSTATEOP(0, PVAL($1), $2); } |
8d063cd8 | 208 | | label ';' |
f05e27e5 DM |
209 | { |
210 | if (PVAL($1)) { | |
211 | $$ = newSTATEOP(0, PVAL($1), newOP(OP_NULL, 0)); | |
212 | TOKEN_GETMAD($1,$$,'L'); | |
213 | TOKEN_GETMAD($2,((LISTOP*)$$)->op_first,';'); | |
214 | } | |
215 | else { | |
216 | $$ = IF_MAD( | |
217 | newOP(OP_NULL, 0), | |
218 | Nullop); | |
219 | PL_copline = NOLINE; | |
220 | TOKEN_FREE($1); | |
221 | TOKEN_GETMAD($2,$$,';'); | |
222 | } | |
223 | PL_expect = XSTATE; | |
224 | } | |
8d063cd8 | 225 | | label sideff ';' |
f05e27e5 DM |
226 | { |
227 | $$ = newSTATEOP(0, PVAL($1), $2); | |
228 | PL_expect = XSTATE; | |
229 | DO_MAD( | |
230 | /* sideff might already have a nexstate */ | |
231 | OP* op = ((LISTOP*)$$)->op_first; | |
232 | if (op) { | |
233 | while (op->op_sibling && | |
234 | op->op_sibling->op_type == OP_NEXTSTATE) | |
235 | op = op->op_sibling; | |
236 | token_getmad($1,op,'L'); | |
237 | token_getmad($3,op,';'); | |
238 | } | |
239 | ) | |
240 | } | |
8d063cd8 LW |
241 | ; |
242 | ||
891be019 | 243 | /* An expression which may have a side-effect */ |
a687059c | 244 | sideff : error |
79072805 | 245 | { $$ = Nullop; } |
a687059c | 246 | | expr |
79072805 | 247 | { $$ = $1; } |
a687059c | 248 | | expr IF expr |
f05e27e5 DM |
249 | { $$ = newLOGOP(OP_AND, 0, $3, $1); |
250 | TOKEN_GETMAD($2,$$,'i'); | |
251 | } | |
a687059c | 252 | | expr UNLESS expr |
f05e27e5 DM |
253 | { $$ = newLOGOP(OP_OR, 0, $3, $1); |
254 | TOKEN_GETMAD($2,$$,'i'); | |
255 | } | |
a687059c | 256 | | expr WHILE expr |
f05e27e5 DM |
257 | { $$ = newLOOPOP(OPf_PARENS, 1, scalar($3), $1); |
258 | TOKEN_GETMAD($2,$$,'w'); | |
259 | } | |
55497cff | 260 | | expr UNTIL iexpr |
f05e27e5 DM |
261 | { $$ = newLOOPOP(OPf_PARENS, 1, $3, $1); |
262 | TOKEN_GETMAD($2,$$,'w'); | |
263 | } | |
ecca16b0 | 264 | | expr FOR expr |
f05e27e5 DM |
265 | { $$ = newFOROP(0, Nullch, (line_t)IVAL($2), |
266 | Nullop, $3, $1, Nullop); | |
267 | TOKEN_GETMAD($2,((LISTOP*)$$)->op_first->op_sibling,'w'); | |
268 | } | |
79072805 LW |
269 | ; |
270 | ||
891be019 | 271 | /* else and elsif blocks */ |
79072805 LW |
272 | else : /* NULL */ |
273 | { $$ = Nullop; } | |
55497cff | 274 | | ELSE mblock |
f05e27e5 DM |
275 | { ($2)->op_flags |= OPf_PARENS; $$ = scope($2); |
276 | TOKEN_GETMAD($1,$$,'o'); | |
277 | } | |
55497cff | 278 | | ELSIF '(' mexpr ')' mblock else |
f05e27e5 | 279 | { PL_copline = (line_t)IVAL($1); |
2c15bef3 | 280 | $$ = newCONDOP(0, $3, scope($5), $6); |
f05e27e5 DM |
281 | PL_hints |= HINT_BLOCK_SCOPE; |
282 | TOKEN_GETMAD($1,$$,'I'); | |
283 | TOKEN_GETMAD($2,$$,'('); | |
284 | TOKEN_GETMAD($4,$$,')'); | |
285 | } | |
79072805 LW |
286 | ; |
287 | ||
891be019 | 288 | /* Real conditional expressions */ |
55497cff | 289 | cond : IF '(' remember mexpr ')' mblock else |
f05e27e5 | 290 | { PL_copline = (line_t)IVAL($1); |
36477c24 | 291 | $$ = block_end($3, |
f05e27e5 DM |
292 | newCONDOP(0, $4, scope($6), $7)); |
293 | TOKEN_GETMAD($1,$$,'I'); | |
294 | TOKEN_GETMAD($2,$$,'('); | |
295 | TOKEN_GETMAD($5,$$,')'); | |
296 | } | |
55497cff | 297 | | UNLESS '(' remember miexpr ')' mblock else |
f05e27e5 | 298 | { PL_copline = (line_t)IVAL($1); |
36477c24 | 299 | $$ = block_end($3, |
f05e27e5 DM |
300 | newCONDOP(0, $4, scope($6), $7)); |
301 | TOKEN_GETMAD($1,$$,'I'); | |
302 | TOKEN_GETMAD($2,$$,'('); | |
303 | TOKEN_GETMAD($5,$$,')'); | |
304 | } | |
79072805 LW |
305 | ; |
306 | ||
0d863452 RH |
307 | /* Cases for a switch statement */ |
308 | case : WHEN '(' remember mexpr ')' mblock | |
309 | { $$ = block_end($3, | |
310 | newWHENOP($4, scope($6))); } | |
311 | | DEFAULT block | |
312 | { $$ = newWHENOP(0, scope($2)); } | |
313 | ; | |
314 | ||
891be019 | 315 | /* Continue blocks */ |
79072805 LW |
316 | cont : /* NULL */ |
317 | { $$ = Nullop; } | |
318 | | CONTINUE block | |
f05e27e5 DM |
319 | { $$ = scope($2); |
320 | TOKEN_GETMAD($1,$$,'o'); | |
321 | } | |
79072805 LW |
322 | ; |
323 | ||
891be019 | 324 | /* Loops: while, until, for, and a bare block */ |
a034e688 | 325 | loop : label WHILE '(' remember texpr ')' mintro mblock cont |
f05e27e5 DM |
326 | { OP *innerop; |
327 | PL_copline = (line_t)$2; | |
36477c24 | 328 | $$ = block_end($4, |
f05e27e5 DM |
329 | newSTATEOP(0, PVAL($1), |
330 | innerop = newWHILEOP(0, 1, (LOOP*)Nullop, | |
331 | IVAL($2), $5, $8, $9, $7))); | |
332 | TOKEN_GETMAD($1,innerop,'L'); | |
333 | TOKEN_GETMAD($2,innerop,'W'); | |
334 | TOKEN_GETMAD($3,innerop,'('); | |
335 | TOKEN_GETMAD($6,innerop,')'); | |
336 | } | |
337 | ||
a034e688 | 338 | | label UNTIL '(' remember iexpr ')' mintro mblock cont |
f05e27e5 DM |
339 | { OP *innerop; |
340 | PL_copline = (line_t)$2; | |
36477c24 | 341 | $$ = block_end($4, |
f05e27e5 DM |
342 | newSTATEOP(0, PVAL($1), |
343 | innerop = newWHILEOP(0, 1, (LOOP*)Nullop, | |
344 | IVAL($2), $5, $8, $9, $7))); | |
345 | TOKEN_GETMAD($1,innerop,'L'); | |
346 | TOKEN_GETMAD($2,innerop,'W'); | |
347 | TOKEN_GETMAD($3,innerop,'('); | |
348 | TOKEN_GETMAD($6,innerop,')'); | |
349 | } | |
bbce6d69 | 350 | | label FOR MY remember my_scalar '(' mexpr ')' mblock cont |
f05e27e5 DM |
351 | { OP *innerop; |
352 | $$ = block_end($4, | |
353 | innerop = newFOROP(0, PVAL($1), (line_t)IVAL($2), | |
354 | $5, $7, $9, $10)); | |
355 | TOKEN_GETMAD($1,((LISTOP*)innerop)->op_first,'L'); | |
356 | TOKEN_GETMAD($2,((LISTOP*)innerop)->op_first->op_sibling,'W'); | |
357 | TOKEN_GETMAD($3,((LISTOP*)innerop)->op_first->op_sibling,'d'); | |
358 | TOKEN_GETMAD($6,((LISTOP*)innerop)->op_first->op_sibling,'('); | |
359 | TOKEN_GETMAD($8,((LISTOP*)innerop)->op_first->op_sibling,')'); | |
360 | } | |
bbce6d69 | 361 | | label FOR scalar '(' remember mexpr ')' mblock cont |
f05e27e5 DM |
362 | { OP *innerop; |
363 | $$ = block_end($5, | |
364 | innerop = newFOROP(0, PVAL($1), (line_t)IVAL($2), | |
365 | mod($3, OP_ENTERLOOP), $6, $8, $9)); | |
366 | TOKEN_GETMAD($1,((LISTOP*)innerop)->op_first,'L'); | |
367 | TOKEN_GETMAD($2,((LISTOP*)innerop)->op_first->op_sibling,'W'); | |
368 | TOKEN_GETMAD($4,((LISTOP*)innerop)->op_first->op_sibling,'('); | |
369 | TOKEN_GETMAD($7,((LISTOP*)innerop)->op_first->op_sibling,')'); | |
370 | } | |
bbce6d69 | 371 | | label FOR '(' remember mexpr ')' mblock cont |
f05e27e5 DM |
372 | { OP *innerop; |
373 | $$ = block_end($4, | |
374 | innerop = newFOROP(0, PVAL($1), (line_t)IVAL($2), | |
375 | Nullop, $5, $7, $8)); | |
376 | TOKEN_GETMAD($1,((LISTOP*)innerop)->op_first,'L'); | |
377 | TOKEN_GETMAD($2,((LISTOP*)innerop)->op_first->op_sibling,'W'); | |
378 | TOKEN_GETMAD($3,((LISTOP*)innerop)->op_first->op_sibling,'('); | |
379 | TOKEN_GETMAD($6,((LISTOP*)innerop)->op_first->op_sibling,')'); | |
380 | } | |
a034e688 DM |
381 | | label FOR '(' remember mnexpr ';' texpr ';' mintro mnexpr ')' |
382 | mblock | |
8d063cd8 | 383 | /* basically fake up an initialize-while lineseq */ |
36c66720 | 384 | { OP *forop; |
f05e27e5 DM |
385 | PL_copline = (line_t)IVAL($2); |
386 | forop = newSTATEOP(0, PVAL($1), | |
36c66720 | 387 | newWHILEOP(0, 1, (LOOP*)Nullop, |
f05e27e5 | 388 | IVAL($2), scalar($7), |
a034e688 | 389 | $12, $10, $9)); |
f05e27e5 | 390 | #ifdef MAD |
f05e27e5 DM |
391 | forop = newUNOP(OP_NULL, 0, append_elem(OP_LINESEQ, |
392 | newSTATEOP(0, | |
63031daf | 393 | CopLABEL_alloc(($1)->tk_lval.pval), |
700f8fa5 | 394 | ($5 ? $5 : newOP(OP_NULL, 0)) ), |
f05e27e5 DM |
395 | forop)); |
396 | ||
397 | token_getmad($2,forop,'3'); | |
398 | token_getmad($3,forop,'('); | |
399 | token_getmad($6,forop,'1'); | |
400 | token_getmad($8,forop,'2'); | |
401 | token_getmad($11,forop,')'); | |
402 | token_getmad($1,forop,'L'); | |
403 | #else | |
36c66720 RH |
404 | if ($5) { |
405 | forop = append_elem(OP_LINESEQ, | |
63031daf | 406 | newSTATEOP(0, CopLABEL_alloc($1), $5), |
36c66720 RH |
407 | forop); |
408 | } | |
409 | ||
f05e27e5 DM |
410 | |
411 | #endif | |
36c66720 | 412 | $$ = block_end($4, forop); } |
79072805 | 413 | | label block cont /* a block is a loop that happens once */ |
f05e27e5 | 414 | { $$ = newSTATEOP(0, PVAL($1), |
fb73857a | 415 | newWHILEOP(0, 1, (LOOP*)Nullop, |
f05e27e5 DM |
416 | NOLINE, Nullop, $2, $3, 0)); |
417 | TOKEN_GETMAD($1,((LISTOP*)$$)->op_first,'L'); } | |
8d063cd8 LW |
418 | ; |
419 | ||
0d863452 RH |
420 | /* Switch blocks */ |
421 | switch : label GIVEN '(' remember mydefsv mexpr ')' mblock | |
422 | { PL_copline = (line_t) $2; | |
423 | $$ = block_end($4, | |
f05e27e5 | 424 | newSTATEOP(0, PVAL($1), |
0d863452 RH |
425 | newGIVENOP($6, scope($8), |
426 | (PADOFFSET) $5) )); } | |
427 | ; | |
428 | ||
a034e688 DM |
429 | /* determine whether there are any new my declarations */ |
430 | mintro : /* NULL */ | |
431 | { $$ = (PL_min_intro_pending && | |
432 | PL_max_intro_pending >= PL_min_intro_pending); | |
433 | intro_my(); } | |
434 | ||
891be019 | 435 | /* Normal expression */ |
8d063cd8 | 436 | nexpr : /* NULL */ |
79072805 | 437 | { $$ = Nullop; } |
8d063cd8 LW |
438 | | sideff |
439 | ; | |
440 | ||
891be019 | 441 | /* Boolean expression */ |
8d063cd8 | 442 | texpr : /* NULL means true */ |
f05e27e5 DM |
443 | { YYSTYPE tmplval; |
444 | (void)scan_num("1", &tmplval); | |
445 | $$ = tmplval.opval; } | |
8d063cd8 LW |
446 | | expr |
447 | ; | |
448 | ||
891be019 | 449 | /* Inverted boolean expression */ |
55497cff | 450 | iexpr : expr |
451 | { $$ = invert(scalar($1)); } | |
452 | ; | |
453 | ||
891be019 | 454 | /* Expression with its own lexical scope */ |
55497cff | 455 | mexpr : expr |
bbce6d69 | 456 | { $$ = $1; intro_my(); } |
457 | ; | |
458 | ||
459 | mnexpr : nexpr | |
460 | { $$ = $1; intro_my(); } | |
55497cff | 461 | ; |
462 | ||
55497cff | 463 | miexpr : iexpr |
bbce6d69 | 464 | { $$ = $1; intro_my(); } |
55497cff | 465 | ; |
466 | ||
891be019 | 467 | /* Optional "MAIN:"-style loop labels */ |
8d063cd8 | 468 | label : /* empty */ |
f05e27e5 DM |
469 | { |
470 | #ifdef MAD | |
471 | YYSTYPE tmplval; | |
472 | tmplval.pval = Nullch; | |
473 | $$ = newTOKEN(OP_NULL, tmplval, 0); | |
474 | #else | |
475 | $$ = Nullch; | |
476 | #endif | |
477 | } | |
32c2e4fb | 478 | | LABEL |
8d063cd8 LW |
479 | ; |
480 | ||
f05e27e5 | 481 | /* Some kind of declaration - just hang on peg in the parse tree */ |
8d063cd8 | 482 | decl : format |
f05e27e5 | 483 | { $$ = $1; } |
8d063cd8 | 484 | | subrout |
f05e27e5 | 485 | { $$ = $1; } |
09bef843 | 486 | | mysubrout |
f05e27e5 | 487 | { $$ = $1; } |
a687059c | 488 | | package |
f05e27e5 | 489 | { $$ = $1; } |
a0d0e21e | 490 | | use |
f05e27e5 DM |
491 | { $$ = $1; } |
492 | ||
493 | /* these two are only used by MAD */ | |
494 | ||
495 | | peg | |
496 | { $$ = $1; } | |
497 | ; | |
498 | ||
499 | peg : PEG | |
500 | { $$ = newOP(OP_NULL,0); | |
501 | TOKEN_GETMAD($1,$$,'p'); | |
502 | } | |
8d063cd8 LW |
503 | ; |
504 | ||
718a7425 | 505 | format : FORMAT startformsub formname block |
a8ff2fa6 | 506 | { SvREFCNT_inc(PL_compcv); |
f05e27e5 | 507 | #ifdef MAD |
718a7425 | 508 | $$ = newFORM($2, $3, $4); |
f05e27e5 DM |
509 | prepend_madprops($1->tk_mad, $$, 'F'); |
510 | $1->tk_mad = 0; | |
511 | token_free($1); | |
512 | #else | |
718a7425 | 513 | newFORM($2, $3, $4); |
30994c59 | 514 | $$ = Nullop; |
f05e27e5 DM |
515 | #endif |
516 | } | |
44a8e56a | 517 | ; |
518 | ||
519 | formname: WORD { $$ = $1; } | |
520 | | /* NULL */ { $$ = Nullop; } | |
8d063cd8 LW |
521 | ; |
522 | ||
891be019 | 523 | /* Unimplemented "my sub foo { }" */ |
718a7425 | 524 | mysubrout: MYSUB startsub subname proto subattrlist subbody |
a8ff2fa6 | 525 | { SvREFCNT_inc(PL_compcv); |
f05e27e5 | 526 | #ifdef MAD |
718a7425 | 527 | $$ = newMYSUB($2, $3, $4, $5, $6); |
f05e27e5 DM |
528 | token_getmad($1,$$,'d'); |
529 | #else | |
718a7425 | 530 | newMYSUB($2, $3, $4, $5, $6); |
30994c59 | 531 | $$ = Nullop; |
f05e27e5 DM |
532 | #endif |
533 | } | |
09bef843 SB |
534 | ; |
535 | ||
891be019 | 536 | /* Subroutine definition */ |
718a7425 | 537 | subrout : SUB startsub subname proto subattrlist subbody |
a8ff2fa6 | 538 | { SvREFCNT_inc(PL_compcv); |
f05e27e5 DM |
539 | #ifdef MAD |
540 | OP* o = newSVOP(OP_ANONCODE, 0, | |
718a7425 | 541 | (SV*)newATTRSUB($2, $3, $4, $5, $6)); |
f05e27e5 DM |
542 | $$ = newOP(OP_NULL,0); |
543 | op_getmad(o,$$,'&'); | |
718a7425 DM |
544 | op_getmad($3,$$,'n'); |
545 | op_getmad($4,$$,'s'); | |
546 | op_getmad($5,$$,'a'); | |
f05e27e5 | 547 | token_getmad($1,$$,'d'); |
718a7425 DM |
548 | append_madprops($6->op_madprop, $$, 0); |
549 | $6->op_madprop = 0; | |
f05e27e5 | 550 | #else |
718a7425 | 551 | newATTRSUB($2, $3, $4, $5, $6); |
f05e27e5 DM |
552 | $$ = Nullop; |
553 | #endif | |
554 | } | |
28757baa | 555 | ; |
556 | ||
fa83b5b6 | 557 | startsub: /* NULL */ /* start a regular subroutine scope */ |
a8ff2fa6 DM |
558 | { $$ = start_subparse(FALSE, 0); |
559 | SAVEFREESV(PL_compcv); } | |
f05e27e5 | 560 | |
28757baa | 561 | ; |
562 | ||
563 | startanonsub: /* NULL */ /* start an anonymous subroutine scope */ | |
a8ff2fa6 DM |
564 | { $$ = start_subparse(FALSE, CVf_ANON); |
565 | SAVEFREESV(PL_compcv); } | |
28757baa | 566 | ; |
567 | ||
44a8e56a | 568 | startformsub: /* NULL */ /* start a format subroutine scope */ |
a8ff2fa6 DM |
569 | { $$ = start_subparse(TRUE, 0); |
570 | SAVEFREESV(PL_compcv); } | |
44a8e56a | 571 | ; |
572 | ||
891be019 | 573 | /* Name of a subroutine - must be a bareword, could be special */ |
2596d9fe | 574 | subname : WORD { const char *const name = SvPV_nolen_const(((SVOP*)$1)->op_sv); |
e858de61 | 575 | if (strEQ(name, "BEGIN") || strEQ(name, "END") |
3c10abe3 AG |
576 | || strEQ(name, "INIT") || strEQ(name, "CHECK") |
577 | || strEQ(name, "UNITCHECK")) | |
1aff0e91 | 578 | CvSPECIAL_on(PL_compcv); |
28757baa | 579 | $$ = $1; } |
a0d0e21e LW |
580 | ; |
581 | ||
891be019 | 582 | /* Subroutine prototype */ |
4633a7c4 LW |
583 | proto : /* NULL */ |
584 | { $$ = Nullop; } | |
585 | | THING | |
586 | ; | |
28757baa | 587 | |
891be019 | 588 | /* Optional list of subroutine attributes */ |
09bef843 SB |
589 | subattrlist: /* NULL */ |
590 | { $$ = Nullop; } | |
591 | | COLONATTR THING | |
f05e27e5 DM |
592 | { $$ = $2; |
593 | TOKEN_GETMAD($1,$$,':'); | |
594 | } | |
09bef843 | 595 | | COLONATTR |
f05e27e5 DM |
596 | { $$ = IF_MAD( |
597 | newOP(OP_NULL, 0), | |
598 | Nullop | |
599 | ); | |
600 | TOKEN_GETMAD($1,$$,':'); | |
601 | } | |
09bef843 SB |
602 | ; |
603 | ||
891be019 | 604 | /* List of attributes for a "my" variable declaration */ |
09bef843 | 605 | myattrlist: COLONATTR THING |
f05e27e5 DM |
606 | { $$ = $2; |
607 | TOKEN_GETMAD($1,$$,':'); | |
608 | } | |
09bef843 | 609 | | COLONATTR |
f05e27e5 DM |
610 | { $$ = IF_MAD( |
611 | newOP(OP_NULL, 0), | |
612 | Nullop | |
613 | ); | |
614 | TOKEN_GETMAD($1,$$,':'); | |
615 | } | |
09bef843 SB |
616 | ; |
617 | ||
891be019 | 618 | /* Subroutine body - either null or a block */ |
28757baa | 619 | subbody : block { $$ = $1; } |
f05e27e5 DM |
620 | | ';' { $$ = IF_MAD( |
621 | newOP(OP_NULL,0), | |
622 | Nullop | |
623 | ); | |
624 | PL_expect = XSTATE; | |
625 | TOKEN_GETMAD($1,$$,';'); | |
626 | } | |
8d063cd8 LW |
627 | ; |
628 | ||
a687059c | 629 | package : PACKAGE WORD ';' |
f05e27e5 DM |
630 | { |
631 | #ifdef MAD | |
632 | $$ = package($2); | |
633 | token_getmad($1,$$,'o'); | |
634 | token_getmad($3,$$,';'); | |
635 | #else | |
636 | package($2); | |
30994c59 | 637 | $$ = Nullop; |
f05e27e5 DM |
638 | #endif |
639 | } | |
a687059c LW |
640 | ; |
641 | ||
718a7425 | 642 | use : USE startsub |
1aff0e91 | 643 | { CvSPECIAL_on(PL_compcv); /* It's a BEGIN {} */ } |
28757baa | 644 | WORD WORD listexpr ';' |
f05e27e5 DM |
645 | { SvREFCNT_inc(PL_compcv); |
646 | #ifdef MAD | |
718a7425 | 647 | $$ = utilize(IVAL($1), $2, $4, $5, $6); |
f05e27e5 | 648 | token_getmad($1,$$,'o'); |
718a7425 | 649 | token_getmad($7,$$,';'); |
f05e27e5 DM |
650 | if (PL_rsfp_filters && AvFILLp(PL_rsfp_filters) >= 0) |
651 | append_madprops(newMADPROP('!', MAD_PV, "", 0), $$, 0); | |
652 | #else | |
718a7425 | 653 | utilize(IVAL($1), $2, $4, $5, $6); |
30994c59 | 654 | $$ = Nullop; |
f05e27e5 DM |
655 | #endif |
656 | } | |
85e6fe83 LW |
657 | ; |
658 | ||
891be019 | 659 | /* Ordinary expressions; logical combinations */ |
a0d0e21e | 660 | expr : expr ANDOP expr |
f05e27e5 DM |
661 | { $$ = newLOGOP(OP_AND, 0, $1, $3); |
662 | TOKEN_GETMAD($2,$$,'o'); | |
663 | } | |
a0d0e21e | 664 | | expr OROP expr |
f05e27e5 DM |
665 | { $$ = newLOGOP(IVAL($2), 0, $1, $3); |
666 | TOKEN_GETMAD($2,$$,'o'); | |
667 | } | |
c963b151 | 668 | | expr DOROP expr |
f05e27e5 DM |
669 | { $$ = newLOGOP(OP_DOR, 0, $1, $3); |
670 | TOKEN_GETMAD($2,$$,'o'); | |
671 | } | |
fad39ff1 | 672 | | argexpr %prec PREC_LOW |
a0d0e21e LW |
673 | ; |
674 | ||
891be019 | 675 | /* Expressions are a list of terms joined by commas */ |
a0d0e21e | 676 | argexpr : argexpr ',' |
f05e27e5 DM |
677 | { |
678 | #ifdef MAD | |
679 | OP* op = newNULLLIST(); | |
680 | token_getmad($2,op,','); | |
681 | $$ = append_elem(OP_LIST, $1, op); | |
682 | #else | |
683 | $$ = $1; | |
684 | #endif | |
685 | } | |
a0d0e21e | 686 | | argexpr ',' term |
f05e27e5 | 687 | { |
29522234 | 688 | OP* term = $3; |
f05e27e5 | 689 | DO_MAD( |
29522234 DM |
690 | term = newUNOP(OP_NULL, 0, term); |
691 | token_getmad($2,term,','); | |
f05e27e5 | 692 | ) |
29522234 | 693 | $$ = append_elem(OP_LIST, $1, term); |
f05e27e5 | 694 | } |
fad39ff1 | 695 | | term %prec PREC_LOW |
8d063cd8 LW |
696 | ; |
697 | ||
891be019 | 698 | /* List operators */ |
ad4673e5 | 699 | listop : LSTOP indirob argexpr /* map {...} @args or print $fh @args */ |
f05e27e5 DM |
700 | { $$ = convert(IVAL($1), OPf_STACKED, |
701 | prepend_elem(OP_LIST, newGVREF(IVAL($1),$2), $3) ); | |
702 | TOKEN_GETMAD($1,$$,'o'); | |
703 | } | |
891be019 | 704 | | FUNC '(' indirob expr ')' /* print ($fh @args */ |
f05e27e5 DM |
705 | { $$ = convert(IVAL($1), OPf_STACKED, |
706 | prepend_elem(OP_LIST, newGVREF(IVAL($1),$3), $4) ); | |
707 | TOKEN_GETMAD($1,$$,'o'); | |
708 | TOKEN_GETMAD($2,$$,'('); | |
709 | TOKEN_GETMAD($5,$$,')'); | |
710 | } | |
891be019 | 711 | | term ARROW method '(' listexprcom ')' /* $foo->bar(list) */ |
4633a7c4 | 712 | { $$ = convert(OP_ENTERSUB, OPf_STACKED, |
a0d0e21e | 713 | append_elem(OP_LIST, |
55497cff | 714 | prepend_elem(OP_LIST, scalar($1), $5), |
f05e27e5 DM |
715 | newUNOP(OP_METHOD, 0, $3))); |
716 | TOKEN_GETMAD($2,$$,'A'); | |
717 | TOKEN_GETMAD($4,$$,'('); | |
718 | TOKEN_GETMAD($6,$$,')'); | |
719 | } | |
891be019 | 720 | | term ARROW method /* $foo->bar */ |
b1524f17 SM |
721 | { $$ = convert(OP_ENTERSUB, OPf_STACKED, |
722 | append_elem(OP_LIST, scalar($1), | |
f05e27e5 DM |
723 | newUNOP(OP_METHOD, 0, $3))); |
724 | TOKEN_GETMAD($2,$$,'A'); | |
725 | } | |
891be019 | 726 | | METHOD indirob listexpr /* new Class @args */ |
4633a7c4 | 727 | { $$ = convert(OP_ENTERSUB, OPf_STACKED, |
a0d0e21e | 728 | append_elem(OP_LIST, |
4633a7c4 | 729 | prepend_elem(OP_LIST, $2, $3), |
f05e27e5 DM |
730 | newUNOP(OP_METHOD, 0, $1))); |
731 | } | |
891be019 | 732 | | FUNCMETH indirob '(' listexprcom ')' /* method $object (@args) */ |
4633a7c4 | 733 | { $$ = convert(OP_ENTERSUB, OPf_STACKED, |
a0d0e21e | 734 | append_elem(OP_LIST, |
4633a7c4 | 735 | prepend_elem(OP_LIST, $2, $4), |
f05e27e5 DM |
736 | newUNOP(OP_METHOD, 0, $1))); |
737 | TOKEN_GETMAD($3,$$,'('); | |
738 | TOKEN_GETMAD($5,$$,')'); | |
739 | } | |
891be019 | 740 | | LSTOP listexpr /* print @args */ |
f05e27e5 DM |
741 | { $$ = convert(IVAL($1), 0, $2); |
742 | TOKEN_GETMAD($1,$$,'o'); | |
743 | } | |
891be019 | 744 | | FUNC '(' listexprcom ')' /* print (@args) */ |
f05e27e5 DM |
745 | { $$ = convert(IVAL($1), 0, $3); |
746 | TOKEN_GETMAD($1,$$,'o'); | |
747 | TOKEN_GETMAD($2,$$,'('); | |
748 | TOKEN_GETMAD($4,$$,')'); | |
749 | } | |
718a7425 | 750 | | LSTOPSUB startanonsub block /* sub f(&@); f { foo } ... */ |
a8ff2fa6 | 751 | { SvREFCNT_inc(PL_compcv); |
29522234 | 752 | $<opval>$ = newANONATTRSUB($2, 0, Nullop, $3); } |
891be019 | 753 | listexpr %prec LSTOP /* ... @bar */ |
4633a7c4 | 754 | { $$ = newUNOP(OP_ENTERSUB, OPf_STACKED, |
28757baa | 755 | append_elem(OP_LIST, |
29522234 | 756 | prepend_elem(OP_LIST, $<opval>4, $5), $1)); |
f05e27e5 | 757 | } |
a687059c LW |
758 | ; |
759 | ||
891be019 | 760 | /* Names of methods. May use $object->$methodname */ |
a0d0e21e LW |
761 | method : METHOD |
762 | | scalar | |
763 | ; | |
764 | ||
891be019 SC |
765 | /* Some kind of subscripted expression */ |
766 | subscripted: star '{' expr ';' '}' /* *main::{something} */ | |
767 | /* In this and all the hash accessors, ';' is | |
768 | * provided by the tokeniser */ | |
264e1af3 | 769 | { $$ = newBINOP(OP_GELEM, 0, $1, scalar($3)); |
f05e27e5 DM |
770 | PL_expect = XOPERATOR; |
771 | TOKEN_GETMAD($2,$$,'{'); | |
772 | TOKEN_GETMAD($4,$$,';'); | |
773 | TOKEN_GETMAD($5,$$,'}'); | |
774 | } | |
891be019 | 775 | | scalar '[' expr ']' /* $array[$element] */ |
f05e27e5 DM |
776 | { $$ = newBINOP(OP_AELEM, 0, oopsAV($1), scalar($3)); |
777 | TOKEN_GETMAD($2,$$,'['); | |
778 | TOKEN_GETMAD($4,$$,']'); | |
779 | } | |
891be019 | 780 | | term ARROW '[' expr ']' /* somearef->[$element] */ |
fad39ff1 SM |
781 | { $$ = newBINOP(OP_AELEM, 0, |
782 | ref(newAVREF($1),OP_RV2AV), | |
f05e27e5 DM |
783 | scalar($4)); |
784 | TOKEN_GETMAD($2,$$,'a'); | |
785 | TOKEN_GETMAD($3,$$,'['); | |
786 | TOKEN_GETMAD($5,$$,']'); | |
787 | } | |
891be019 | 788 | | subscripted '[' expr ']' /* $foo->[$bar]->[$baz] */ |
fad39ff1 SM |
789 | { $$ = newBINOP(OP_AELEM, 0, |
790 | ref(newAVREF($1),OP_RV2AV), | |
f05e27e5 DM |
791 | scalar($3)); |
792 | TOKEN_GETMAD($2,$$,'['); | |
793 | TOKEN_GETMAD($4,$$,']'); | |
794 | } | |
891be019 | 795 | | scalar '{' expr ';' '}' /* $foo->{bar();} */ |
fad39ff1 | 796 | { $$ = newBINOP(OP_HELEM, 0, oopsHV($1), jmaybe($3)); |
f05e27e5 DM |
797 | PL_expect = XOPERATOR; |
798 | TOKEN_GETMAD($2,$$,'{'); | |
799 | TOKEN_GETMAD($4,$$,';'); | |
800 | TOKEN_GETMAD($5,$$,'}'); | |
801 | } | |
891be019 | 802 | | term ARROW '{' expr ';' '}' /* somehref->{bar();} */ |
fad39ff1 SM |
803 | { $$ = newBINOP(OP_HELEM, 0, |
804 | ref(newHVREF($1),OP_RV2HV), | |
805 | jmaybe($4)); | |
f05e27e5 DM |
806 | PL_expect = XOPERATOR; |
807 | TOKEN_GETMAD($2,$$,'a'); | |
808 | TOKEN_GETMAD($3,$$,'{'); | |
809 | TOKEN_GETMAD($5,$$,';'); | |
810 | TOKEN_GETMAD($6,$$,'}'); | |
811 | } | |
891be019 | 812 | | subscripted '{' expr ';' '}' /* $foo->[bar]->{baz;} */ |
fad39ff1 SM |
813 | { $$ = newBINOP(OP_HELEM, 0, |
814 | ref(newHVREF($1),OP_RV2HV), | |
815 | jmaybe($3)); | |
f05e27e5 DM |
816 | PL_expect = XOPERATOR; |
817 | TOKEN_GETMAD($2,$$,'{'); | |
818 | TOKEN_GETMAD($4,$$,';'); | |
819 | TOKEN_GETMAD($5,$$,'}'); | |
820 | } | |
891be019 | 821 | | term ARROW '(' ')' /* $subref->() */ |
fad39ff1 | 822 | { $$ = newUNOP(OP_ENTERSUB, OPf_STACKED, |
f05e27e5 DM |
823 | newCVREF(0, scalar($1))); |
824 | TOKEN_GETMAD($2,$$,'a'); | |
825 | TOKEN_GETMAD($3,$$,'('); | |
826 | TOKEN_GETMAD($4,$$,')'); | |
827 | } | |
891be019 | 828 | | term ARROW '(' expr ')' /* $subref->(@args) */ |
fad39ff1 SM |
829 | { $$ = newUNOP(OP_ENTERSUB, OPf_STACKED, |
830 | append_elem(OP_LIST, $4, | |
f05e27e5 DM |
831 | newCVREF(0, scalar($1)))); |
832 | TOKEN_GETMAD($2,$$,'a'); | |
833 | TOKEN_GETMAD($3,$$,'('); | |
834 | TOKEN_GETMAD($5,$$,')'); | |
835 | } | |
fad39ff1 | 836 | |
891be019 | 837 | | subscripted '(' expr ')' /* $foo->{bar}->(@args) */ |
fad39ff1 SM |
838 | { $$ = newUNOP(OP_ENTERSUB, OPf_STACKED, |
839 | append_elem(OP_LIST, $3, | |
f05e27e5 DM |
840 | newCVREF(0, scalar($1)))); |
841 | TOKEN_GETMAD($2,$$,'('); | |
842 | TOKEN_GETMAD($4,$$,')'); | |
843 | } | |
891be019 | 844 | | subscripted '(' ')' /* $foo->{bar}->() */ |
fad39ff1 | 845 | { $$ = newUNOP(OP_ENTERSUB, OPf_STACKED, |
f05e27e5 DM |
846 | newCVREF(0, scalar($1))); |
847 | TOKEN_GETMAD($2,$$,'('); | |
848 | TOKEN_GETMAD($3,$$,')'); | |
849 | } | |
9a9798c2 | 850 | | '(' expr ')' '[' expr ']' /* list slice */ |
f05e27e5 DM |
851 | { $$ = newSLICEOP(0, $5, $2); |
852 | TOKEN_GETMAD($1,$$,'('); | |
853 | TOKEN_GETMAD($3,$$,')'); | |
854 | TOKEN_GETMAD($4,$$,'['); | |
855 | TOKEN_GETMAD($6,$$,']'); | |
856 | } | |
9a9798c2 | 857 | | '(' ')' '[' expr ']' /* empty list slice! */ |
f05e27e5 DM |
858 | { $$ = newSLICEOP(0, $4, Nullop); |
859 | TOKEN_GETMAD($1,$$,'('); | |
860 | TOKEN_GETMAD($2,$$,')'); | |
861 | TOKEN_GETMAD($3,$$,'['); | |
862 | TOKEN_GETMAD($5,$$,']'); | |
863 | } | |
891be019 | 864 | ; |
fad39ff1 | 865 | |
891be019 | 866 | /* Binary operators between terms */ |
f05e27e5 DM |
867 | termbinop: term ASSIGNOP term /* $x = $y */ |
868 | { $$ = newASSIGNOP(OPf_STACKED, $1, IVAL($2), $3); | |
869 | TOKEN_GETMAD($2,$$,'o'); | |
870 | } | |
891be019 | 871 | | term POWOP term /* $x ** $y */ |
f05e27e5 DM |
872 | { $$ = newBINOP(IVAL($2), 0, scalar($1), scalar($3)); |
873 | TOKEN_GETMAD($2,$$,'o'); | |
874 | } | |
891be019 | 875 | | term MULOP term /* $x * $y, $x x $y */ |
f05e27e5 | 876 | { if (IVAL($2) != OP_REPEAT) |
79072805 | 877 | scalar($1); |
f05e27e5 DM |
878 | $$ = newBINOP(IVAL($2), 0, $1, scalar($3)); |
879 | TOKEN_GETMAD($2,$$,'o'); | |
880 | } | |
891be019 | 881 | | term ADDOP term /* $x + $y */ |
f05e27e5 DM |
882 | { $$ = newBINOP(IVAL($2), 0, scalar($1), scalar($3)); |
883 | TOKEN_GETMAD($2,$$,'o'); | |
884 | } | |
891be019 | 885 | | term SHIFTOP term /* $x >> $y, $x << $y */ |
f05e27e5 DM |
886 | { $$ = newBINOP(IVAL($2), 0, scalar($1), scalar($3)); |
887 | TOKEN_GETMAD($2,$$,'o'); | |
888 | } | |
891be019 | 889 | | term RELOP term /* $x > $y, etc. */ |
f05e27e5 DM |
890 | { $$ = newBINOP(IVAL($2), 0, scalar($1), scalar($3)); |
891 | TOKEN_GETMAD($2,$$,'o'); | |
892 | } | |
891be019 | 893 | | term EQOP term /* $x == $y, $x eq $y */ |
f05e27e5 DM |
894 | { $$ = newBINOP(IVAL($2), 0, scalar($1), scalar($3)); |
895 | TOKEN_GETMAD($2,$$,'o'); | |
896 | } | |
891be019 | 897 | | term BITANDOP term /* $x & $y */ |
f05e27e5 DM |
898 | { $$ = newBINOP(IVAL($2), 0, scalar($1), scalar($3)); |
899 | TOKEN_GETMAD($2,$$,'o'); | |
900 | } | |
891be019 | 901 | | term BITOROP term /* $x | $y */ |
f05e27e5 DM |
902 | { $$ = newBINOP(IVAL($2), 0, scalar($1), scalar($3)); |
903 | TOKEN_GETMAD($2,$$,'o'); | |
904 | } | |
891be019 | 905 | | term DOTDOT term /* $x..$y, $x...$y */ |
f05e27e5 DM |
906 | { |
907 | $$ = newRANGE(IVAL($2), scalar($1), scalar($3)); | |
908 | DO_MAD( | |
909 | UNOP *op; | |
910 | op = (UNOP*)$$; | |
911 | op = (UNOP*)op->op_first; /* get to flop */ | |
912 | op = (UNOP*)op->op_first; /* get to flip */ | |
913 | op = (UNOP*)op->op_first; /* get to range */ | |
914 | token_getmad($2,(OP*)op,'o'); | |
915 | ) | |
916 | } | |
891be019 | 917 | | term ANDAND term /* $x && $y */ |
f05e27e5 DM |
918 | { $$ = newLOGOP(OP_AND, 0, $1, $3); |
919 | TOKEN_GETMAD($2,$$,'o'); | |
920 | } | |
891be019 | 921 | | term OROR term /* $x || $y */ |
f05e27e5 DM |
922 | { $$ = newLOGOP(OP_OR, 0, $1, $3); |
923 | TOKEN_GETMAD($2,$$,'o'); | |
924 | } | |
c963b151 | 925 | | term DORDOR term /* $x // $y */ |
f05e27e5 DM |
926 | { $$ = newLOGOP(OP_DOR, 0, $1, $3); |
927 | TOKEN_GETMAD($2,$$,'o'); | |
928 | } | |
891be019 | 929 | | term MATCHOP term /* $x =~ /$y/ */ |
f05e27e5 DM |
930 | { $$ = bind_match(IVAL($2), $1, $3); |
931 | TOKEN_GETMAD($2, | |
932 | ($$->op_type == OP_NOT | |
933 | ? ((UNOP*)$$)->op_first : $$), | |
934 | '~'); | |
935 | } | |
891be019 | 936 | ; |
8d063cd8 | 937 | |
891be019 SC |
938 | /* Unary operators and terms */ |
939 | termunop : '-' term %prec UMINUS /* -$x */ | |
f05e27e5 DM |
940 | { $$ = newUNOP(OP_NEGATE, 0, scalar($2)); |
941 | TOKEN_GETMAD($1,$$,'o'); | |
942 | } | |
891be019 | 943 | | '+' term %prec UMINUS /* +$x */ |
f05e27e5 DM |
944 | { $$ = IF_MAD( |
945 | newUNOP(OP_NULL, 0, $2), | |
946 | $2 | |
947 | ); | |
948 | TOKEN_GETMAD($1,$$,'+'); | |
949 | } | |
891be019 | 950 | | '!' term /* !$x */ |
f05e27e5 DM |
951 | { $$ = newUNOP(OP_NOT, 0, scalar($2)); |
952 | TOKEN_GETMAD($1,$$,'o'); | |
953 | } | |
891be019 | 954 | | '~' term /* ~$x */ |
f05e27e5 DM |
955 | { $$ = newUNOP(OP_COMPLEMENT, 0, scalar($2)); |
956 | TOKEN_GETMAD($1,$$,'o'); | |
957 | } | |
891be019 | 958 | | term POSTINC /* $x++ */ |
79072805 | 959 | { $$ = newUNOP(OP_POSTINC, 0, |
f05e27e5 DM |
960 | mod(scalar($1), OP_POSTINC)); |
961 | TOKEN_GETMAD($2,$$,'o'); | |
962 | } | |
891be019 | 963 | | term POSTDEC /* $x-- */ |
79072805 | 964 | { $$ = newUNOP(OP_POSTDEC, 0, |
f05e27e5 DM |
965 | mod(scalar($1), OP_POSTDEC)); |
966 | TOKEN_GETMAD($2,$$,'o'); | |
967 | } | |
891be019 | 968 | | PREINC term /* ++$x */ |
79072805 | 969 | { $$ = newUNOP(OP_PREINC, 0, |
f05e27e5 DM |
970 | mod(scalar($2), OP_PREINC)); |
971 | TOKEN_GETMAD($1,$$,'o'); | |
972 | } | |
891be019 | 973 | | PREDEC term /* --$x */ |
79072805 | 974 | { $$ = newUNOP(OP_PREDEC, 0, |
f05e27e5 DM |
975 | mod(scalar($2), OP_PREDEC)); |
976 | TOKEN_GETMAD($1,$$,'o'); | |
977 | } | |
891be019 SC |
978 | |
979 | ; | |
980 | ||
981 | /* Constructors for anonymous data */ | |
982 | anonymous: '[' expr ']' | |
f05e27e5 DM |
983 | { $$ = newANONLIST($2); |
984 | TOKEN_GETMAD($1,$$,'['); | |
985 | TOKEN_GETMAD($3,$$,']'); | |
986 | } | |
891be019 | 987 | | '[' ']' |
f05e27e5 DM |
988 | { $$ = newANONLIST(Nullop); |
989 | TOKEN_GETMAD($1,$$,'['); | |
990 | TOKEN_GETMAD($2,$$,']'); | |
991 | } | |
891be019 | 992 | | HASHBRACK expr ';' '}' %prec '(' /* { foo => "Bar" } */ |
f05e27e5 DM |
993 | { $$ = newANONHASH($2); |
994 | TOKEN_GETMAD($1,$$,'{'); | |
995 | TOKEN_GETMAD($3,$$,';'); | |
996 | TOKEN_GETMAD($4,$$,'}'); | |
997 | } | |
891be019 | 998 | | HASHBRACK ';' '}' %prec '(' /* { } (';' by tokener) */ |
f05e27e5 DM |
999 | { $$ = newANONHASH(Nullop); |
1000 | TOKEN_GETMAD($1,$$,'{'); | |
1001 | TOKEN_GETMAD($2,$$,';'); | |
1002 | TOKEN_GETMAD($3,$$,'}'); | |
1003 | } | |
718a7425 | 1004 | | ANONSUB startanonsub proto subattrlist block %prec '(' |
a8ff2fa6 | 1005 | { SvREFCNT_inc(PL_compcv); |
718a7425 | 1006 | $$ = newANONATTRSUB($2, $3, $4, $5); |
f05e27e5 | 1007 | TOKEN_GETMAD($1,$$,'o'); |
718a7425 DM |
1008 | OP_GETMAD($3,$$,'s'); |
1009 | OP_GETMAD($4,$$,'a'); | |
f05e27e5 | 1010 | } |
891be019 SC |
1011 | |
1012 | ; | |
1013 | ||
1014 | /* Things called with "do" */ | |
1015 | termdo : DO term %prec UNIOP /* do $filename */ | |
123d08c9 | 1016 | { $$ = dofile($2, IVAL($1)); |
f05e27e5 DM |
1017 | TOKEN_GETMAD($1,$$,'o'); |
1018 | } | |
891be019 | 1019 | | DO block %prec '(' /* do { code */ |
f05e27e5 DM |
1020 | { $$ = newUNOP(OP_NULL, OPf_SPECIAL, scope($2)); |
1021 | TOKEN_GETMAD($1,$$,'D'); | |
1022 | } | |
891be019 SC |
1023 | | DO WORD '(' ')' /* do somesub() */ |
1024 | { $$ = newUNOP(OP_ENTERSUB, | |
1025 | OPf_SPECIAL|OPf_STACKED, | |
1026 | prepend_elem(OP_LIST, | |
1027 | scalar(newCVREF( | |
1028 | (OPpENTERSUB_AMPER<<8), | |
1029 | scalar($2) | |
f05e27e5 DM |
1030 | )),Nullop)); dep(); |
1031 | TOKEN_GETMAD($1,$$,'o'); | |
1032 | TOKEN_GETMAD($3,$$,'('); | |
1033 | TOKEN_GETMAD($4,$$,')'); | |
1034 | } | |
891be019 SC |
1035 | | DO WORD '(' expr ')' /* do somesub(@args) */ |
1036 | { $$ = newUNOP(OP_ENTERSUB, | |
1037 | OPf_SPECIAL|OPf_STACKED, | |
1038 | append_elem(OP_LIST, | |
1039 | $4, | |
1040 | scalar(newCVREF( | |
1041 | (OPpENTERSUB_AMPER<<8), | |
1042 | scalar($2) | |
f05e27e5 DM |
1043 | )))); dep(); |
1044 | TOKEN_GETMAD($1,$$,'o'); | |
1045 | TOKEN_GETMAD($3,$$,'('); | |
1046 | TOKEN_GETMAD($5,$$,')'); | |
1047 | } | |
891be019 SC |
1048 | | DO scalar '(' ')' /* do $subref () */ |
1049 | { $$ = newUNOP(OP_ENTERSUB, OPf_SPECIAL|OPf_STACKED, | |
1050 | prepend_elem(OP_LIST, | |
f05e27e5 DM |
1051 | scalar(newCVREF(0,scalar($2))), Nullop)); dep(); |
1052 | TOKEN_GETMAD($1,$$,'o'); | |
1053 | TOKEN_GETMAD($3,$$,'('); | |
1054 | TOKEN_GETMAD($4,$$,')'); | |
1055 | } | |
891be019 SC |
1056 | | DO scalar '(' expr ')' /* do $subref (@args) */ |
1057 | { $$ = newUNOP(OP_ENTERSUB, OPf_SPECIAL|OPf_STACKED, | |
1058 | prepend_elem(OP_LIST, | |
1059 | $4, | |
f05e27e5 DM |
1060 | scalar(newCVREF(0,scalar($2))))); dep(); |
1061 | TOKEN_GETMAD($1,$$,'o'); | |
1062 | TOKEN_GETMAD($3,$$,'('); | |
1063 | TOKEN_GETMAD($5,$$,')'); | |
1064 | } | |
891be019 SC |
1065 | |
1066 | ; | |
1067 | ||
1068 | term : termbinop | |
1069 | | termunop | |
1070 | | anonymous | |
1071 | | termdo | |
e9bdcc27 | 1072 | | term '?' term ':' term |
f05e27e5 DM |
1073 | { $$ = newCONDOP(0, $1, $3, $5); |
1074 | TOKEN_GETMAD($2,$$,'?'); | |
1075 | TOKEN_GETMAD($4,$$,':'); | |
1076 | } | |
891be019 | 1077 | | REFGEN term /* \$x, \@y, \%z */ |
f05e27e5 DM |
1078 | { $$ = newUNOP(OP_REFGEN, 0, mod($2,OP_REFGEN)); |
1079 | TOKEN_GETMAD($1,$$,'o'); | |
1080 | } | |
09bef843 SB |
1081 | | myattrterm %prec UNIOP |
1082 | { $$ = $1; } | |
1083 | | LOCAL term %prec UNIOP | |
f05e27e5 DM |
1084 | { $$ = localize($2,IVAL($1)); |
1085 | TOKEN_GETMAD($1,$$,'d'); | |
1086 | } | |
a0d0e21e | 1087 | | '(' expr ')' |
f05e27e5 DM |
1088 | { $$ = sawparens(IF_MAD(newUNOP(OP_NULL,0,$2), $2)); |
1089 | TOKEN_GETMAD($1,$$,'('); | |
1090 | TOKEN_GETMAD($3,$$,')'); | |
1091 | } | |
8d063cd8 | 1092 | | '(' ')' |
f05e27e5 DM |
1093 | { $$ = sawparens(newNULLLIST()); |
1094 | TOKEN_GETMAD($1,$$,'('); | |
1095 | TOKEN_GETMAD($2,$$,')'); | |
1096 | } | |
79072805 | 1097 | | scalar %prec '(' |
8d063cd8 | 1098 | { $$ = $1; } |
79072805 | 1099 | | star %prec '(' |
8d063cd8 | 1100 | { $$ = $1; } |
79072805 | 1101 | | hsh %prec '(' |
8d063cd8 | 1102 | { $$ = $1; } |
79072805 | 1103 | | ary %prec '(' |
8d063cd8 | 1104 | { $$ = $1; } |
891be019 | 1105 | | arylen %prec '(' /* $#x, $#{ something } */ |
79072805 | 1106 | { $$ = newUNOP(OP_AV2ARYLEN, 0, ref($1, OP_AV2ARYLEN));} |
fad39ff1 SM |
1107 | | subscripted |
1108 | { $$ = $1; } | |
891be019 | 1109 | | ary '[' expr ']' /* array slice */ |
79072805 LW |
1110 | { $$ = prepend_elem(OP_ASLICE, |
1111 | newOP(OP_PUSHMARK, 0), | |
79072805 LW |
1112 | newLISTOP(OP_ASLICE, 0, |
1113 | list($3), | |
f05e27e5 DM |
1114 | ref($1, OP_ASLICE))); |
1115 | TOKEN_GETMAD($2,$$,'['); | |
1116 | TOKEN_GETMAD($4,$$,']'); | |
1117 | } | |
891be019 | 1118 | | ary '{' expr ';' '}' /* @hash{@keys} */ |
79072805 LW |
1119 | { $$ = prepend_elem(OP_HSLICE, |
1120 | newOP(OP_PUSHMARK, 0), | |
79072805 LW |
1121 | newLISTOP(OP_HSLICE, 0, |
1122 | list($3), | |
a0d0e21e | 1123 | ref(oopsHV($1), OP_HSLICE))); |
f05e27e5 DM |
1124 | PL_expect = XOPERATOR; |
1125 | TOKEN_GETMAD($2,$$,'{'); | |
1126 | TOKEN_GETMAD($4,$$,';'); | |
1127 | TOKEN_GETMAD($5,$$,'}'); | |
1128 | } | |
79072805 LW |
1129 | | THING %prec '(' |
1130 | { $$ = $1; } | |
891be019 | 1131 | | amper /* &foo; */ |
c07a80fd | 1132 | { $$ = newUNOP(OP_ENTERSUB, 0, scalar($1)); } |
ecb2f335 | 1133 | | amper '(' ')' /* &foo() */ |
f05e27e5 DM |
1134 | { $$ = newUNOP(OP_ENTERSUB, OPf_STACKED, scalar($1)); |
1135 | TOKEN_GETMAD($2,$$,'('); | |
1136 | TOKEN_GETMAD($3,$$,')'); | |
1137 | } | |
891be019 | 1138 | | amper '(' expr ')' /* &foo(@args) */ |
f05e27e5 DM |
1139 | { |
1140 | $$ = newUNOP(OP_ENTERSUB, OPf_STACKED, | |
1141 | append_elem(OP_LIST, $3, scalar($1))); | |
1142 | DO_MAD( | |
1143 | OP* op = $$; | |
1144 | if (op->op_type == OP_CONST) { /* defeat const fold */ | |
1145 | op = (OP*)op->op_madprop->mad_val; | |
1146 | } | |
1147 | token_getmad($2,op,'('); | |
1148 | token_getmad($4,op,')'); | |
1149 | ) | |
1150 | } | |
891be019 | 1151 | | NOAMP WORD listexpr /* foo(@args) */ |
a0d0e21e | 1152 | { $$ = newUNOP(OP_ENTERSUB, OPf_STACKED, |
f05e27e5 DM |
1153 | append_elem(OP_LIST, $3, scalar($2))); |
1154 | TOKEN_GETMAD($1,$$,'o'); | |
1155 | } | |
891be019 | 1156 | | LOOPEX /* loop exiting command (goto, last, dump, etc) */ |
f05e27e5 DM |
1157 | { $$ = newOP(IVAL($1), OPf_SPECIAL); |
1158 | PL_hints |= HINT_BLOCK_SCOPE; | |
1159 | TOKEN_GETMAD($1,$$,'o'); | |
1160 | } | |
a0d0e21e | 1161 | | LOOPEX term |
f05e27e5 DM |
1162 | { $$ = newLOOPEX(IVAL($1),$2); |
1163 | TOKEN_GETMAD($1,$$,'o'); | |
1164 | } | |
891be019 | 1165 | | NOTOP argexpr /* not $foo */ |
f05e27e5 DM |
1166 | { $$ = newUNOP(OP_NOT, 0, scalar($2)); |
1167 | TOKEN_GETMAD($1,$$,'o'); | |
1168 | } | |
891be019 | 1169 | | UNIOP /* Unary op, $_ implied */ |
f05e27e5 DM |
1170 | { $$ = newOP(IVAL($1), 0); |
1171 | TOKEN_GETMAD($1,$$,'o'); | |
1172 | } | |
1173 | | UNIOP block /* eval { foo }* */ | |
1174 | { $$ = newUNOP(IVAL($1), 0, $2); | |
1175 | TOKEN_GETMAD($1,$$,'o'); | |
1176 | } | |
891be019 | 1177 | | UNIOP term /* Unary op */ |
f05e27e5 DM |
1178 | { $$ = newUNOP(IVAL($1), 0, $2); |
1179 | TOKEN_GETMAD($1,$$,'o'); | |
1180 | } | |
d2fdf8fd RGS |
1181 | | REQUIRE /* require, $_ implied */ |
1182 | { $$ = newOP(OP_REQUIRE, $1 ? OPf_SPECIAL : 0); | |
1183 | TOKEN_GETMAD($1,$$,'o'); | |
1184 | } | |
1185 | | REQUIRE term /* require Foo */ | |
1186 | { $$ = newUNOP(OP_REQUIRE, $1 ? OPf_SPECIAL : 0, $2); | |
1187 | TOKEN_GETMAD($1,$$,'o'); | |
1188 | } | |
3cd0a11a RGS |
1189 | | UNIOPSUB |
1190 | { $$ = newUNOP(OP_ENTERSUB, OPf_STACKED, scalar($1)); } | |
891be019 | 1191 | | UNIOPSUB term /* Sub treated as unop */ |
4633a7c4 LW |
1192 | { $$ = newUNOP(OP_ENTERSUB, OPf_STACKED, |
1193 | append_elem(OP_LIST, $2, scalar($1))); } | |
891be019 | 1194 | | FUNC0 /* Nullary operator */ |
f05e27e5 DM |
1195 | { $$ = newOP(IVAL($1), 0); |
1196 | TOKEN_GETMAD($1,$$,'o'); | |
1197 | } | |
ae986130 | 1198 | | FUNC0 '(' ')' |
f05e27e5 DM |
1199 | { $$ = newOP(IVAL($1), 0); |
1200 | TOKEN_GETMAD($1,$$,'o'); | |
1201 | TOKEN_GETMAD($2,$$,'('); | |
1202 | TOKEN_GETMAD($3,$$,')'); | |
1203 | } | |
891be019 | 1204 | | FUNC0SUB /* Sub treated as nullop */ |
28757baa | 1205 | { $$ = newUNOP(OP_ENTERSUB, OPf_STACKED, |
4633a7c4 | 1206 | scalar($1)); } |
891be019 | 1207 | | FUNC1 '(' ')' /* not () */ |
f05e27e5 DM |
1208 | { $$ = (IVAL($1) == OP_NOT) |
1209 | ? newUNOP(IVAL($1), 0, newSVOP(OP_CONST, 0, newSViv(0))) | |
1210 | : newOP(IVAL($1), OPf_SPECIAL); | |
1211 | ||
1212 | TOKEN_GETMAD($1,$$,'o'); | |
1213 | TOKEN_GETMAD($2,$$,'('); | |
1214 | TOKEN_GETMAD($3,$$,')'); | |
1215 | } | |
891be019 | 1216 | | FUNC1 '(' expr ')' /* not($foo) */ |
f05e27e5 DM |
1217 | { $$ = newUNOP(IVAL($1), 0, $3); |
1218 | TOKEN_GETMAD($1,$$,'o'); | |
1219 | TOKEN_GETMAD($2,$$,'('); | |
1220 | TOKEN_GETMAD($4,$$,')'); | |
1221 | } | |
1222 | | PMFUNC '(' argexpr ')' /* m//, s///, tr/// */ | |
1223 | { $$ = pmruntime($1, $3, 1); | |
1224 | TOKEN_GETMAD($2,$$,'('); | |
1225 | TOKEN_GETMAD($4,$$,')'); | |
1226 | } | |
79072805 | 1227 | | WORD |
378cc40b | 1228 | | listop |
8d063cd8 LW |
1229 | ; |
1230 | ||
891be019 | 1231 | /* "my" declarations, with optional attributes */ |
09bef843 | 1232 | myattrterm: MY myterm myattrlist |
f05e27e5 DM |
1233 | { $$ = my_attrs($2,$3); |
1234 | DO_MAD( | |
1235 | token_getmad($1,$$,'d'); | |
1236 | append_madprops($3->op_madprop, $$, 'a'); | |
1237 | $3->op_madprop = 0; | |
1238 | ) | |
1239 | } | |
09bef843 | 1240 | | MY myterm |
f05e27e5 DM |
1241 | { $$ = localize($2,IVAL($1)); |
1242 | TOKEN_GETMAD($1,$$,'d'); | |
1243 | } | |
09bef843 SB |
1244 | ; |
1245 | ||
891be019 | 1246 | /* Things that can be "my"'d */ |
09bef843 | 1247 | myterm : '(' expr ')' |
f05e27e5 DM |
1248 | { $$ = sawparens($2); |
1249 | TOKEN_GETMAD($1,$$,'('); | |
1250 | TOKEN_GETMAD($3,$$,')'); | |
1251 | } | |
09bef843 | 1252 | | '(' ')' |
f05e27e5 DM |
1253 | { $$ = sawparens(newNULLLIST()); |
1254 | TOKEN_GETMAD($1,$$,'('); | |
1255 | TOKEN_GETMAD($2,$$,')'); | |
1256 | } | |
09bef843 SB |
1257 | | scalar %prec '(' |
1258 | { $$ = $1; } | |
1259 | | hsh %prec '(' | |
1260 | { $$ = $1; } | |
1261 | | ary %prec '(' | |
1262 | { $$ = $1; } | |
1263 | ; | |
1264 | ||
891be019 | 1265 | /* Basic list expressions */ |
fad39ff1 | 1266 | listexpr: /* NULL */ %prec PREC_LOW |
8990e307 | 1267 | { $$ = Nullop; } |
fad39ff1 | 1268 | | argexpr %prec PREC_LOW |
a0d0e21e LW |
1269 | { $$ = $1; } |
1270 | ; | |
1271 | ||
1272 | listexprcom: /* NULL */ | |
1273 | { $$ = Nullop; } | |
79072805 LW |
1274 | | expr |
1275 | { $$ = $1; } | |
a0d0e21e | 1276 | | expr ',' |
f05e27e5 DM |
1277 | { |
1278 | #ifdef MAD | |
1279 | OP* op = newNULLLIST(); | |
1280 | token_getmad($2,op,','); | |
1281 | $$ = append_elem(OP_LIST, $1, op); | |
1282 | #else | |
1283 | $$ = $1; | |
1284 | #endif | |
1285 | ||
1286 | } | |
79072805 LW |
1287 | ; |
1288 | ||
891be019 SC |
1289 | /* A little bit of trickery to make "for my $foo (@bar)" actually be |
1290 | lexical */ | |
55497cff | 1291 | my_scalar: scalar |
3280af22 | 1292 | { PL_in_my = 0; $$ = my($1); } |
55497cff | 1293 | ; |
1294 | ||
79072805 | 1295 | amper : '&' indirob |
f05e27e5 DM |
1296 | { $$ = newCVREF(IVAL($1),$2); |
1297 | TOKEN_GETMAD($1,$$,'&'); | |
1298 | } | |
a687059c LW |
1299 | ; |
1300 | ||
79072805 | 1301 | scalar : '$' indirob |
f05e27e5 DM |
1302 | { $$ = newSVREF($2); |
1303 | TOKEN_GETMAD($1,$$,'$'); | |
1304 | } | |
a687059c LW |
1305 | ; |
1306 | ||
79072805 | 1307 | ary : '@' indirob |
f05e27e5 DM |
1308 | { $$ = newAVREF($2); |
1309 | TOKEN_GETMAD($1,$$,'@'); | |
1310 | } | |
79072805 LW |
1311 | ; |
1312 | ||
1313 | hsh : '%' indirob | |
f05e27e5 DM |
1314 | { $$ = newHVREF($2); |
1315 | TOKEN_GETMAD($1,$$,'%'); | |
1316 | } | |
79072805 LW |
1317 | ; |
1318 | ||
1319 | arylen : DOLSHARP indirob | |
f05e27e5 DM |
1320 | { $$ = newAVREF($2); |
1321 | TOKEN_GETMAD($1,$$,'l'); | |
1322 | } | |
79072805 LW |
1323 | ; |
1324 | ||
1325 | star : '*' indirob | |
f05e27e5 DM |
1326 | { $$ = newGVREF(0,$2); |
1327 | TOKEN_GETMAD($1,$$,'*'); | |
1328 | } | |
79072805 LW |
1329 | ; |
1330 | ||
891be019 | 1331 | /* Indirect objects */ |
79072805 LW |
1332 | indirob : WORD |
1333 | { $$ = scalar($1); } | |
fad39ff1 | 1334 | | scalar %prec PREC_LOW |
f05e27e5 | 1335 | { $$ = scalar($1); } |
79072805 | 1336 | | block |
a0d0e21e | 1337 | { $$ = scope($1); } |
79072805 | 1338 | |
93a17b20 LW |
1339 | | PRIVATEREF |
1340 | { $$ = $1; } | |
8d063cd8 | 1341 | ; |