1 /* $RCSfile: perly.y,v $$Revision: 4.0.1.5 $$Date: 92/06/11 21:12:50 $
3 * Copyright (c) 1991, Larry Wall
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.
9 * Revision 4.0.1.5 92/06/11 21:12:50 lwall
10 * patch34: expectterm incorrectly set to indicate start of program or block
12 * Revision 4.0.1.4 92/06/08 17:33:25 lwall
13 * patch20: one of the backdoors to expectterm was on the wrong reduction
15 * Revision 4.0.1.3 92/06/08 15:18:16 lwall
16 * patch20: an expression may now start with a bareword
17 * patch20: relaxed requirement for semicolon at the end of a block
18 * patch20: added ... as variant on ..
19 * patch20: fixed double debug break in foreach with implicit array assignment
20 * patch20: if {block} {block} didn't work any more
21 * patch20: deleted some minor memory leaks
23 * Revision 4.0.1.2 91/11/05 18:17:38 lwall
24 * patch11: extra comma at end of list is now allowed in more places (Hi, Felix!)
25 * patch11: once-thru blocks didn't display right in the debugger
26 * patch11: debugger got confused over nested subroutine definitions
28 * Revision 4.0.1.1 91/06/07 11:42:34 lwall
29 * patch4: new copyright notice
31 * Revision 4.0 91/03/20 01:38:40 lwall
45 ARG *arg4; /* rarely used arguments to make_op() */
57 struct compcmd compval;
64 %token <cval> WORD LABEL
65 %token <ival> APPEND OPEN SSELECT LOOPEX DOTDOT
66 %token <ival> USING FORMAT DO SHIFT PUSH POP LVALFUN
67 %token <ival> WHILE UNTIL IF UNLESS ELSE ELSIF CONTINUE SPLIT FLIST
68 %token <ival> FOR FILOP FILOP2 FILOP3 FILOP4 FILOP22 FILOP25
69 %token <ival> FUNC0 FUNC1 FUNC2 FUNC2x FUNC3 FUNC4 FUNC5 HSHFUN HSHFUN3
70 %token <ival> FLIST2 SUB FILETEST LOCAL DELETE
71 %token <ival> RELOP EQOP MULOP ADDOP PACKAGE AMPER
72 %token <formval> FORMLIST
73 %token <stabval> REG ARYLEN ARY HSH STAR
74 %token <arg> SUBST PATTERN
75 %token <arg> RSTRING TRANS
77 %type <ival> prog decl format remember crp
78 %type <cmdval> block lineseq line loop cond sideff nexpr else
79 %type <arg> expr sexpr cexpr csexpr term handle aryword hshword
80 %type <arg> texpr listop bareword
82 %type <compval> compblock
84 %nonassoc <ival> LISTOP
95 %nonassoc <ival> UNIOP
101 %right '!' '~' UMINUS
110 #if defined(YYDEBUG) && defined(DEBUGGING)
111 yydebug = (debug & 1);
115 /*CONTINUED*/ lineseq
117 eval_root = block_head($2);
119 main_root = block_head($2); }
122 compblock: block CONTINUE block
123 { $$.comp_true = $1; $$.comp_alt = $3; }
125 { $$.comp_true = $1; $$.comp_alt = $2; }
132 | ELSIF '(' expr ')' compblock
134 $$ = make_ccmd(C_ELSIF,1,$3,$5); }
137 block : '{' remember lineseq '}'
138 { $$ = block_head($3);
139 if (cmdline > (line_t)$1)
141 if (savestack->ary_fill > $2)
146 remember: /* NULL */ /* in case they push a package name */
147 { $$ = savestack->ary_fill; }
153 { $$ = append_line($1,$2); }
159 { $$ = add_label($1,$2); }
160 | loop /* loops add their own labels */
162 { if ($1 != Nullch) {
163 $$ = add_label($1, make_acmd(C_EXPR, Nullstab,
172 { $$ = add_label($1,$2);
179 { $$ = make_acmd(C_EXPR, Nullstab, $1, Nullarg); }
182 make_acmd(C_EXPR, Nullstab, Nullarg, $1), $3); }
184 { $$ = addcond(invert(
185 make_acmd(C_EXPR, Nullstab, Nullarg, $1)), $3); }
188 make_acmd(C_EXPR, Nullstab, Nullarg, $1), $3); }
190 { $$ = addloop(invert(
191 make_acmd(C_EXPR, Nullstab, Nullarg, $1)), $3); }
194 cond : IF '(' expr ')' compblock
196 $$ = make_icmd(C_IF,$3,$5); }
197 | UNLESS '(' expr ')' compblock
199 $$ = invert(make_icmd(C_IF,$3,$5)); }
202 $$ = make_icmd(C_IF,cmd_to_arg($2),$3); }
203 | UNLESS block compblock
205 $$ = invert(make_icmd(C_IF,cmd_to_arg($2),$3)); }
208 loop : label WHILE '(' texpr ')' compblock
210 $$ = wopt(add_label($1,
211 make_ccmd(C_WHILE,1,$4,$6) )); }
212 | label UNTIL '(' expr ')' compblock
214 $$ = wopt(add_label($1,
215 invert(make_ccmd(C_WHILE,1,$4,$6)) )); }
216 | label WHILE block compblock
218 $$ = wopt(add_label($1,
219 make_ccmd(C_WHILE, 1, cmd_to_arg($3),$4) )); }
220 | label UNTIL block compblock
222 $$ = wopt(add_label($1,
223 invert(make_ccmd(C_WHILE,1,cmd_to_arg($3),$4)) )); }
224 | label FOR REG '(' expr crp compblock
227 * The following gobbledygook catches EXPRs that
228 * aren't explicit array refs and translates
229 * foreach VAR (EXPR) {
232 * foreach VAR (@ary) {
233 * where @ary is a hidden array made by genstab().
234 * (Note that @ary may become a local array if
235 * it is determined that it might be called
236 * recursively. See cmd_tosave().)
238 if ($5->arg_type != O_ARRAY) {
239 scrstab = aadd(genstab());
241 make_acmd(C_EXPR, Nullstab,
242 l(make_op(O_ASSIGN,2,
243 listish(make_op(O_ARRAY, 1,
244 stab2arg(A_STAB,scrstab),
246 listish(make_list($5)),
249 wopt(over($3,add_label($1,
250 make_ccmd(C_WHILE, 0,
252 stab2arg(A_STAB,scrstab),
256 $$->c_head->c_line = $2;
259 $$ = wopt(over($3,add_label($1,
260 make_ccmd(C_WHILE,1,$5,$7) )));
263 | label FOR '(' expr crp compblock
265 if ($4->arg_type != O_ARRAY) {
266 scrstab = aadd(genstab());
268 make_acmd(C_EXPR, Nullstab,
269 l(make_op(O_ASSIGN,2,
270 listish(make_op(O_ARRAY, 1,
271 stab2arg(A_STAB,scrstab),
273 listish(make_list($4)),
276 wopt(over(defstab,add_label($1,
277 make_ccmd(C_WHILE, 0,
279 stab2arg(A_STAB,scrstab),
283 $$->c_head->c_line = $2;
285 else { /* lisp, anyone? */
286 $$ = wopt(over(defstab,add_label($1,
287 make_ccmd(C_WHILE,1,$4,$6) )));
290 | label FOR '(' nexpr ';' texpr ';' nexpr ')' block
291 /* basically fake up an initialize-while lineseq */
292 { yyval.compval.comp_true = $10;
293 yyval.compval.comp_alt = $8;
295 $$ = append_line($4,wopt(add_label($1,
296 make_ccmd(C_WHILE,1,$6,yyval.compval) ))); }
297 | label compblock /* a block is a loop that happens once */
298 { $$ = add_label($1,make_ccmd(C_BLOCK,1,Nullarg,$2)); }
306 texpr : /* NULL means true */
307 { (void)scanstr("1",SCAN_DEF); $$ = yylval.arg; }
324 format : FORMAT WORD '=' FORMLIST
325 { if (strEQ($2,"stdout"))
326 make_form(stabent("STDOUT",TRUE),$4);
327 else if (strEQ($2,"stderr"))
328 make_form(stabent("STDERR",TRUE),$4);
330 make_form(stabent($2,TRUE),$4);
331 Safefree($2); $2 = Nullch; }
332 | FORMAT '=' FORMLIST
333 { make_form(stabent("STDOUT",TRUE),$3); }
336 subrout : SUB WORD block
339 if (savestack->ary_fill > $1)
343 package : PACKAGE WORD ';'
349 str_set(curstname,$2);
350 sprintf(tmpbuf,"'_%s",$2);
351 tmpstab = stabent(tmpbuf,TRUE);
352 if (!stab_xhash(tmpstab))
353 stab_xhash(tmpstab) = hnew(0);
354 curstash = stab_xhash(tmpstab);
355 if (!curstash->tbl_name)
356 curstash->tbl_name = savestr($2);
357 curstash->tbl_coeffsize = 0;
358 Safefree($2); $2 = Nullch;
368 expr : expr ',' sexpr
369 { $$ = make_op(O_COMMA, 2, $1, $3, Nullarg); }
377 sexpr : sexpr '=' sexpr
379 if ($1->arg_type == O_ASSIGN && $1->arg_len == 1)
380 $1->arg_type = O_ITEM; /* a local() */
381 if ($1->arg_type == O_LIST)
383 $$ = l(make_op(O_ASSIGN, 2, $1, $3, Nullarg)); }
384 | sexpr POW '=' sexpr
385 { $$ = l(make_op(O_POW, 2, $1, $4, Nullarg)); }
386 | sexpr MULOP '=' sexpr
387 { $$ = l(make_op($2, 2, $1, $4, Nullarg)); }
388 | sexpr ADDOP '=' sexpr
389 { $$ = rcatmaybe(l(make_op($2, 2, $1, $4, Nullarg)));}
391 { $$ = l(make_op(O_LEFT_SHIFT, 2, $1, $4, Nullarg)); }
393 { $$ = l(make_op(O_RIGHT_SHIFT, 2, $1, $4, Nullarg)); }
394 | sexpr '&' '=' sexpr
395 { $$ = l(make_op(O_BIT_AND, 2, $1, $4, Nullarg)); }
396 | sexpr '^' '=' sexpr
397 { $$ = l(make_op(O_XOR, 2, $1, $4, Nullarg)); }
398 | sexpr '|' '=' sexpr
399 { $$ = l(make_op(O_BIT_OR, 2, $1, $4, Nullarg)); }
403 { $$ = make_op(O_POW, 2, $1, $3, Nullarg); }
405 { if ($2 == O_REPEAT)
407 $$ = make_op($2, 2, $1, $3, Nullarg);
408 if ($2 == O_REPEAT) {
409 if ($$[1].arg_type != A_EXPR ||
410 $$[1].arg_ptr.arg_arg->arg_type != O_LIST)
411 $$[1].arg_flags &= ~AF_ARYOK;
414 { $$ = make_op($2, 2, $1, $3, Nullarg); }
416 { $$ = make_op(O_LEFT_SHIFT, 2, $1, $3, Nullarg); }
418 { $$ = make_op(O_RIGHT_SHIFT, 2, $1, $3, Nullarg); }
420 { $$ = make_op($2, 2, $1, $3, Nullarg); }
422 { $$ = make_op($2, 2, $1, $3, Nullarg); }
424 { $$ = make_op(O_BIT_AND, 2, $1, $3, Nullarg); }
426 { $$ = make_op(O_XOR, 2, $1, $3, Nullarg); }
428 { $$ = make_op(O_BIT_OR, 2, $1, $3, Nullarg); }
431 $$ = make_op(O_F_OR_R, 4, $1, $3, Nullarg);
432 $$[0].arg_flags |= $2; }
434 { $$ = make_op(O_AND, 2, $1, $3, Nullarg); }
436 { $$ = make_op(O_OR, 2, $1, $3, Nullarg); }
437 | sexpr '?' sexpr ':' sexpr
438 { $$ = make_op(O_COND_EXPR, 3, $1, $3, $5); }
440 { $$ = mod_match(O_MATCH, $1, $3); }
442 { $$ = mod_match(O_NMATCH, $1, $3); }
447 term : '-' term %prec UMINUS
448 { $$ = make_op(O_NEGATE, 1, $2, Nullarg, Nullarg); }
449 | '+' term %prec UMINUS
452 { $$ = make_op(O_NOT, 1, $2, Nullarg, Nullarg); }
454 { $$ = make_op(O_COMPLEMENT, 1, $2, Nullarg, Nullarg);}
456 { $$ = addflags(1, AF_POST|AF_UP,
457 l(make_op(O_ITEM,1,$1,Nullarg,Nullarg))); }
459 { $$ = addflags(1, AF_POST,
460 l(make_op(O_ITEM,1,$1,Nullarg,Nullarg))); }
462 { $$ = addflags(1, AF_PRE|AF_UP,
463 l(make_op(O_ITEM,1,$2,Nullarg,Nullarg))); }
465 { $$ = addflags(1, AF_PRE,
466 l(make_op(O_ITEM,1,$2,Nullarg,Nullarg))); }
468 { opargs[$1] = 0; /* force it special */
470 stab2arg(A_STAB,stabent($2,TRUE)),
472 Safefree($2); $2 = Nullch;
476 $$ = make_op($1, 1, $2, Nullarg, Nullarg); }
478 { opargs[$1] = ($1 != O_FTTTY);
481 $1 == O_FTTTY?stabent("STDIN",TRUE):defstab),
484 { $$ = l(localize(make_op(O_ASSIGN, 1,
485 localize(listish(make_list($3))),
486 Nullarg,Nullarg))); }
488 { $$ = make_list($2); }
490 { $$ = make_list(Nullarg); }
491 | DO sexpr %prec FILETEST
492 { $$ = make_op(O_DOFILE,2,$2,Nullarg,Nullarg);
495 { $$ = cmd_to_arg($2); }
497 { $$ = stab2arg(A_STAB,$1); }
499 { $$ = stab2arg(A_STAR,$1); }
500 | REG '[' expr ']' %prec '('
501 { $$ = make_op(O_AELEM, 2,
502 stab2arg(A_STAB,aadd($1)), $3, Nullarg); }
504 { $$ = make_op(O_HASH, 1,
508 { $$ = make_op(O_ARRAY, 1,
511 | REG '{' expr ';' '}' %prec '('
512 { $$ = make_op(O_HELEM, 2,
513 stab2arg(A_STAB,hadd($1)),
516 expectterm = FALSE; }
517 | '(' expr crp '[' expr ']' %prec '('
518 { $$ = make_op(O_LSLICE, 3,
520 listish(make_list($5)),
521 listish(make_list($2))); }
522 | '(' ')' '[' expr ']' %prec '('
523 { $$ = make_op(O_LSLICE, 3,
525 listish(make_list($4)),
527 | ARY '[' expr ']' %prec '('
528 { $$ = make_op(O_ASLICE, 2,
529 stab2arg(A_STAB,aadd($1)),
530 listish(make_list($3)),
532 | ARY '{' expr ';' '}' %prec '('
533 { $$ = make_op(O_HSLICE, 2,
534 stab2arg(A_STAB,hadd($1)),
535 listish(make_list($3)),
537 expectterm = FALSE; }
538 | DELETE REG '{' expr ';' '}' %prec '('
539 { $$ = make_op(O_DELETE, 2,
540 stab2arg(A_STAB,hadd($2)),
543 expectterm = FALSE; }
544 | DELETE '(' REG '{' expr ';' '}' ')' %prec '('
545 { $$ = make_op(O_DELETE, 2,
546 stab2arg(A_STAB,hadd($3)),
549 expectterm = FALSE; }
551 { $$ = stab2arg(A_ARYLEN,$1); }
560 | DO WORD '(' expr crp
561 { $$ = make_op((perldb ? O_DBSUBR : O_SUBR), 2,
562 stab2arg(A_WORD,stabent($2,MULTI)),
564 Nullarg); Safefree($2); $2 = Nullch;
565 $$->arg_flags |= AF_DEPR; }
566 | AMPER WORD '(' expr crp
567 { $$ = make_op((perldb ? O_DBSUBR : O_SUBR), 2,
568 stab2arg(A_WORD,stabent($2,MULTI)),
570 Nullarg); Safefree($2); $2 = Nullch; }
572 { $$ = make_op((perldb ? O_DBSUBR : O_SUBR), 2,
573 stab2arg(A_WORD,stabent($2,MULTI)),
576 Safefree($2); $2 = Nullch;
577 $$->arg_flags |= AF_DEPR; }
579 { $$ = make_op((perldb ? O_DBSUBR : O_SUBR), 2,
580 stab2arg(A_WORD,stabent($2,MULTI)),
583 Safefree($2); $2 = Nullch;
586 { $$ = make_op((perldb ? O_DBSUBR : O_SUBR), 2,
587 stab2arg(A_WORD,stabent($2,MULTI)),
590 Safefree($2); $2 = Nullch;
592 | DO REG '(' expr crp
593 { $$ = make_op((perldb ? O_DBSUBR : O_SUBR), 2,
597 $$->arg_flags |= AF_DEPR; }
598 | AMPER REG '(' expr crp
599 { $$ = make_op((perldb ? O_DBSUBR : O_SUBR), 2,
604 { $$ = make_op((perldb ? O_DBSUBR : O_SUBR), 2,
608 $$->arg_flags |= AF_DEPR; }
610 { $$ = make_op((perldb ? O_DBSUBR : O_SUBR), 2,
615 { $$ = make_op((perldb ? O_DBSUBR : O_SUBR), 2,
620 { $$ = make_op($1,0,Nullarg,Nullarg,Nullarg); }
622 { $$ = make_op($1,1,cval_to_arg($2),
625 { $$ = make_op($1,0,Nullarg,Nullarg,Nullarg); }
627 { $$ = make_op($1,1,cmd_to_arg($2),Nullarg,Nullarg); }
629 { $$ = make_op($1,1,$2,Nullarg,Nullarg); }
631 { $$ = make_op(O_SELECT, 0, Nullarg, Nullarg, Nullarg);}
633 { $$ = make_op(O_SELECT, 1,
634 stab2arg(A_WORD,stabent($2,TRUE)),
637 Safefree($2); $2 = Nullch; }
638 | SSELECT '(' handle ')'
639 { $$ = make_op(O_SELECT, 1, $3, Nullarg, Nullarg); }
640 | SSELECT '(' sexpr csexpr csexpr csexpr ')'
642 $$ = make_op(O_SSELECT, 4, $3, $4, $5); }
643 | OPEN WORD %prec '('
644 { $$ = make_op(O_OPEN, 2,
645 stab2arg(A_WORD,stabent($2,TRUE)),
646 stab2arg(A_STAB,stabent($2,TRUE)),
648 Safefree($2); $2 = Nullch;
651 { $$ = make_op(O_OPEN, 2,
652 stab2arg(A_WORD,stabent($3,TRUE)),
653 stab2arg(A_STAB,stabent($3,TRUE)),
655 Safefree($3); $3 = Nullch;
657 | OPEN '(' handle cexpr ')'
658 { $$ = make_op(O_OPEN, 2,
661 | FILOP '(' handle ')'
662 { $$ = make_op($1, 1,
666 { $$ = make_op($1, 1,
667 stab2arg(A_WORD,stabent($2,TRUE)),
669 Safefree($2); $2 = Nullch; }
671 { $$ = make_op($1, 1,
675 { $$ = make_op($1, 1,
676 stab2arg(A_WORD,Nullstab),
679 { $$ = make_op($1, 0,
680 Nullarg, Nullarg, Nullarg); }
681 | FILOP2 '(' handle cexpr ')'
682 { $$ = make_op($1, 2, $3, $4, Nullarg); }
683 | FILOP3 '(' handle csexpr cexpr ')'
684 { $$ = make_op($1, 3, $3, $4, make_list($5)); }
685 | FILOP22 '(' handle ',' handle ')'
686 { $$ = make_op($1, 2, $3, $5, Nullarg); }
687 | FILOP4 '(' handle csexpr csexpr cexpr ')'
688 { arg4 = $6; $$ = make_op($1, 4, $3, $4, $5); }
689 | FILOP25 '(' handle ',' handle csexpr csexpr cexpr ')'
690 { arg4 = $7; arg5 = $8;
691 $$ = make_op($1, 5, $3, $5, $6); }
692 | PUSH '(' aryword ',' expr crp
693 { $$ = make_op($1, 2,
697 | POP aryword %prec '('
698 { $$ = make_op(O_POP, 1, $2, Nullarg, Nullarg); }
699 | POP '(' aryword ')'
700 { $$ = make_op(O_POP, 1, $3, Nullarg, Nullarg); }
701 | SHIFT aryword %prec '('
702 { $$ = make_op(O_SHIFT, 1, $2, Nullarg, Nullarg); }
703 | SHIFT '(' aryword ')'
704 { $$ = make_op(O_SHIFT, 1, $3, Nullarg, Nullarg); }
706 { $$ = make_op(O_SHIFT, 1,
708 aadd(stabent(subline ? "_" : "ARGV", TRUE))),
711 { static char p[]="/\\s+/";
712 char *oldend = bufend;
713 ARG *oldarg = yylval.arg;
718 $$ = make_split(defstab,yylval.arg,Nullarg);
719 yylval.arg = oldarg; }
720 | SPLIT '(' sexpr csexpr csexpr ')'
721 { $$ = mod_match(O_MATCH, $4,
722 make_split(defstab,$3,$5));}
723 | SPLIT '(' sexpr csexpr ')'
724 { $$ = mod_match(O_MATCH, $4,
725 make_split(defstab,$3,Nullarg) ); }
726 | SPLIT '(' sexpr ')'
727 { $$ = mod_match(O_MATCH,
728 stab2arg(A_STAB,defstab),
729 make_split(defstab,$3,Nullarg) ); }
730 | FLIST2 '(' sexpr cexpr ')'
731 { $$ = make_op($1, 2,
733 listish(make_list($4)),
736 { $$ = make_op($1, 1,
740 | LVALFUN sexpr %prec '('
741 { $$ = l(make_op($1, 1, fixl($1,$2),
742 Nullarg, Nullarg)); }
744 { $$ = l(make_op($1, 1,
745 stab2arg(A_STAB,defstab),
746 Nullarg, Nullarg)); }
748 { $$ = make_op($1, 0, Nullarg, Nullarg, Nullarg); }
750 { $$ = make_op($1, 0, Nullarg, Nullarg, Nullarg); }
752 { $$ = make_op($1, 0, Nullarg, Nullarg, Nullarg); }
754 { $$ = make_op($1, 1, $3, Nullarg, Nullarg); }
755 | FUNC2 '(' sexpr cexpr ')'
756 { $$ = make_op($1, 2, $3, $4, Nullarg);
757 if ($1 == O_INDEX && $$[2].arg_type == A_SINGLE)
758 fbmcompile($$[2].arg_ptr.arg_str,0); }
759 | FUNC2x '(' sexpr csexpr ')'
760 { $$ = make_op($1, 2, $3, $4, Nullarg);
761 if ($1 == O_INDEX && $$[2].arg_type == A_SINGLE)
762 fbmcompile($$[2].arg_ptr.arg_str,0); }
763 | FUNC2x '(' sexpr csexpr cexpr ')'
764 { $$ = make_op($1, 3, $3, $4, $5);
765 if ($1 == O_INDEX && $$[2].arg_type == A_SINGLE)
766 fbmcompile($$[2].arg_ptr.arg_str,0); }
767 | FUNC3 '(' sexpr csexpr cexpr ')'
768 { $$ = make_op($1, 3, $3, $4, $5); }
769 | FUNC4 '(' sexpr csexpr csexpr cexpr ')'
771 $$ = make_op($1, 4, $3, $4, $5); }
772 | FUNC5 '(' sexpr csexpr csexpr csexpr cexpr ')'
773 { arg4 = $6; arg5 = $7;
774 $$ = make_op($1, 5, $3, $4, $5); }
775 | HSHFUN '(' hshword ')'
776 { $$ = make_op($1, 1,
781 { $$ = make_op($1, 1,
785 | HSHFUN3 '(' hshword csexpr cexpr ')'
786 { $$ = make_op($1, 3, $3, $4, $5); }
793 stab2arg(A_WORD,Nullstab),
794 stab2arg(A_STAB,defstab),
798 stab2arg(A_WORD,Nullstab),
799 maybelistish($1,make_list($2)),
803 stab2arg(A_WORD,stabent($2,TRUE)),
804 stab2arg(A_STAB,defstab),
806 Safefree($2); $2 = Nullch;
810 stab2arg(A_WORD,stabent($2,TRUE)),
811 maybelistish($1,make_list($3)),
812 Nullarg); Safefree($2); $2 = Nullch; }
816 maybelistish($1,make_list($3)),
821 maybelistish($1,make_list($3)),
826 { $$ = stab2arg(A_WORD,stabent($1,TRUE));
827 Safefree($1); $1 = Nullch;}
832 { $$ = stab2arg(A_WORD,aadd(stabent($1,TRUE)));
833 Safefree($1); $1 = Nullch; }
835 { $$ = stab2arg(A_STAB,$1); }
839 { $$ = stab2arg(A_WORD,hadd(stabent($1,TRUE)));
840 Safefree($1); $1 = Nullch; }
842 { $$ = stab2arg(A_STAB,$1); }
852 * NOTE: The following entry must stay at the end of the file so that
853 * reduce/reduce conflicts resolve to it only if it's the only option.
859 $$->arg_type = O_ITEM;
860 $$[1].arg_type = A_SINGLE;
861 $$[1].arg_ptr.arg_str = str_make($1,0);
862 for (s = $1; *s && isLOWER(*s); s++) ;
865 "\"%s\" may clash with future reserved word",
867 Safefree($1); $1 = Nullch;