X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/ed6116ce9b9d13712ea252ee248b0400653db7f9..43d06990aaa822f75a12bcbeb69ad08960bcb417:/perly.c diff --git a/perly.c b/perly.c index 8fd9983..2e8da75 100644 --- a/perly.c +++ b/perly.c @@ -1,2645 +1,730 @@ -#ifndef lint -static char yysccsid[] = "@(#)yaccpar 1.8 (Berkeley) 01/20/91"; -#endif -#define YYBYACC 1 -#line 39 "perly.y" +/* perly.c + * + * Copyright (c) 2004 Larry Wall + * + * You may distribute under the terms of either the GNU General Public + * License or the Artistic License, as specified in the README file. + * + * Note that this file was originally generated as an output from + * GNU bison version 1.875, but now the code is statically maintained + * and edited; the bits that are dependent on perly.y are now #included + * from the files perly.tab and perly.act. + * + * Here is an important copyright statement from the original, generated + * file: + * + * As a special exception, when this file is copied by Bison into a + * Bison output file, you may use that output file without + * restriction. This special exception was added by the Free + * Software Foundation in version 1.24 of Bison. + */ + + +/* allow stack size to grow effectively without limit */ +#define YYMAXDEPTH 10000000 + #include "EXTERN.h" +#define PERL_IN_PERLY_C #include "perl.h" -/*SUPPRESS 530*/ -/*SUPPRESS 593*/ -/*SUPPRESS 595*/ - -#line 50 "perly.y" -typedef union { - I32 ival; - char *pval; - OP *opval; - GV *gvval; -} YYSTYPE; -#line 21 "y.tab.c" -#define WORD 257 -#define METHOD 258 -#define THING 259 -#define PMFUNC 260 -#define PRIVATEREF 261 -#define LABEL 262 -#define FORMAT 263 -#define SUB 264 -#define PACKAGE 265 -#define WHILE 266 -#define UNTIL 267 -#define IF 268 -#define UNLESS 269 -#define ELSE 270 -#define ELSIF 271 -#define CONTINUE 272 -#define FOR 273 -#define LOOPEX 274 -#define DOTDOT 275 -#define FUNC0 276 -#define FUNC1 277 -#define FUNC 278 -#define RELOP 279 -#define EQOP 280 -#define MULOP 281 -#define ADDOP 282 -#define DOLSHARP 283 -#define DO 284 -#define LOCAL 285 -#define DELETE 286 -#define HASHBRACK 287 -#define NOAMP 288 -#define OROP 289 -#define ANDOP 290 -#define LSTOP 291 -#define OROR 292 -#define ANDAND 293 -#define BITOROP 294 -#define BITANDOP 295 -#define UNIOP 296 -#define SHIFTOP 297 -#define MATCHOP 298 -#define ARROW 299 -#define UMINUS 300 -#define REFGEN 301 -#define POWOP 302 -#define PREINC 303 -#define PREDEC 304 -#define POSTINC 305 -#define POSTDEC 306 -#define YYERRCODE 256 -short yylhs[] = { -1, - 30, 0, 7, 3, 8, 8, 8, 9, 9, 9, - 9, 23, 23, 23, 23, 23, 23, 13, 13, 13, - 11, 11, 11, 11, 29, 29, 10, 10, 10, 10, - 10, 10, 10, 10, 12, 12, 26, 26, 28, 28, - 1, 1, 1, 2, 2, 31, 31, 32, 32, 14, - 14, 27, 27, 27, 27, 27, 27, 27, 27, 15, - 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, - 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, - 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, - 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, - 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, - 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, - 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, - 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, - 16, 16, 24, 24, 22, 17, 18, 19, 20, 21, - 25, 25, 25, 25, 4, 4, 5, 5, 6, 6, -}; -short yylen[] = { 2, - 0, 2, 4, 0, 0, 2, 2, 2, 1, 2, - 3, 1, 1, 3, 3, 3, 3, 0, 2, 6, - 6, 6, 4, 4, 0, 2, 7, 7, 5, 5, - 8, 7, 10, 3, 0, 1, 0, 1, 0, 1, - 1, 1, 1, 3, 2, 3, 3, 3, 2, 3, - 1, 3, 5, 4, 6, 6, 3, 2, 4, 3, - 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, - 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, - 3, 5, 3, 1, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 3, 2, 3, 2, 3, 3, - 1, 1, 4, 5, 4, 1, 1, 1, 5, 6, - 5, 6, 5, 4, 5, 6, 8, 1, 1, 3, - 4, 3, 4, 2, 2, 4, 5, 4, 5, 1, - 2, 1, 2, 2, 1, 3, 3, 4, 4, 6, - 1, 1, 0, 1, 2, 2, 2, 2, 2, 2, - 1, 1, 1, 1, 2, 1, 2, 1, 3, 2, -}; -short yydefred[] = { 1, - 0, 5, 0, 40, 0, 0, 0, 6, 41, 7, - 9, 0, 42, 43, 4, 0, 45, 0, 0, 49, - 12, 0, 0, 118, 0, 154, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, - 0, 0, 0, 0, 0, 106, 108, 102, 0, 0, - 0, 142, 5, 44, 47, 46, 48, 151, 153, 152, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 131, 0, 0, 0, 149, 0, 125, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 58, 0, - 133, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 98, 0, 145, 146, 147, 148, 150, 0, 34, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 90, 91, 0, 0, 0, 0, 0, - 0, 11, 0, 0, 57, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 36, 0, 136, - 137, 0, 0, 0, 0, 0, 0, 0, 100, 0, - 0, 99, 122, 0, 52, 0, 156, 0, 0, 0, - 158, 97, 26, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 120, 0, 0, 0, 3, 139, 0, 0, 29, - 0, 30, 0, 0, 0, 23, 0, 24, 0, 0, - 0, 138, 59, 0, 126, 0, 128, 0, 0, 0, - 0, 160, 123, 0, 155, 0, 157, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 105, 0, 103, 0, 114, 121, 0, 54, 0, 0, - 0, 0, 19, 0, 0, 0, 0, 0, 53, 127, - 129, 0, 0, 159, 113, 0, 0, 111, 0, 0, - 104, 109, 115, 0, 140, 27, 28, 21, 0, 22, - 0, 32, 0, 0, 116, 112, 110, 56, 55, 0, - 0, 31, 0, 0, 0, 117, 20, 33, -}; -short yydgoto[] = { 1, - 8, 9, 73, 199, 202, 192, 79, 3, 10, 11, - 60, 176, 256, 108, 62, 63, 64, 65, 66, 67, - 68, 69, 178, 109, 71, 168, 72, 12, 130, 2, - 13, 14, -}; -short yysindex[] = { 0, - 0, 0, 50, 0, -111, -240, -53, 0, 0, 0, - 0, 892, 0, 0, 0, -47, 0, -24, -39, 0, - 0, 0, -33, 0, -9, 0, -30, -26, -25, -22, - 32, -214, 68, 87, 108, -33, 2699, 2800, 38, 992, - -79, 2800, 2800, 2800, 2800, 2800, 2800, 2800, 1048, 0, - 2800, 2800, 1098, -33, -33, -33, -33, -33, -93, 0, - -4, 502, -87, -72, -52, 0, 0, 0, 140, 139, - -97, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 2800, 2800, 2800, -47, 2800, -47, 2800, -47, 2800, -47, - 1222, 175, 0, 180, 1328, 2800, 0, 176, 0, 9, - -32, 9, 207, 109, 120, 11, 2800, 203, 0, 1378, - 0, 9, -70, -70, -70, -50, -50, 159, 1, -70, - -70, 0, -18, 0, 0, 0, 0, 0, -47, 0, - 2800, 2800, 2800, 2800, 2800, 2800, 2800, 2800, 1428, 1499, - 2800, 2800, 2800, 2800, 1700, 1756, 1806, 1856, 2063, 2800, - 2113, 2800, -89, 0, 0, 2800, 2800, 2800, 2800, 2800, - 2165, 0, -94, -92, 0, 196, 203, 210, -93, 78, - -93, 106, -103, 145, -103, 194, 8, 0, 2800, 0, - 0, 197, 217, 1378, 2234, 2422, 137, 2800, 0, 2491, - 142, 0, 0, 1378, 0, 2800, 0, 2543, 170, 2593, - 0, 0, 0, 203, 203, 203, 203, 665, 52, 9, - -68, 2800, -187, 2800, -233, 332, 665, 665, 715, 2800, - 508, 2800, 1021, 2800, 691, 2800, 136, 2800, -121, -34, - 2800, -34, 58, 2800, 239, 2800, -16, 66, 10, 107, - 13, 0, 1, 240, 2800, 0, 0, 2800, -47, 0, - -47, 0, -47, -47, 241, 0, -47, 0, 2800, -47, - 1, 0, 0, 246, 0, 1, 0, 1, 2800, 131, - 169, 0, 0, 16, 0, 2800, 0, 665, 665, 2800, - 665, 665, 665, 665, 665, 665, 179, 148, 2800, 19, - 0, 185, 0, 191, 0, 0, 2800, 0, 411, -93, - -93, -103, 0, 2800, -103, 259, -93, -47, 0, 0, - 0, 151, 200, 0, 0, 23, 236, 0, 205, 264, - 0, 0, 0, 278, 0, 0, 0, 0, 198, 0, - 1222, 0, -93, 211, 0, 0, 0, 0, 0, -47, - 282, 0, 296, -103, -47, 0, 0, 0, -}; -short yyrindex[] = { 0, - 0, 0, 463, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 557, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 2841, 2887, 0, 0, 0, 0, 0, 0, 0, - 0, 3417, 3464, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 100, 0, - 46, 5017, 5512, 618, 3723, 0, 0, 0, 2930, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 3417, 0, 297, 0, 0, 0, 0, 0, 0, 0, - 280, 0, 0, 0, 0, 300, 0, 2971, 0, 4145, - 3764, 4186, 0, 0, 0, 0, 3417, 3034, 0, 3846, - 0, 4228, 5058, 5097, 5142, 5357, 5401, 3249, 0, 5438, - 5475, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 942, 0, 0, 48, 0, 163, 0, - 163, 0, 284, 0, 284, 0, 283, 0, 0, 0, - 0, 0, 0, 300, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 3846, 0, 0, 0, 0, 3293, 0, - 0, 0, 0, 80, 82, 93, 103, 1404, 4643, 4269, - 4313, 0, 3805, 0, 3, 1005, 4507, 4672, 0, 0, - 4631, 0, 4602, 0, 4573, 0, 4532, 0, 3888, 3334, - 0, 3376, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 3417, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 292, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 4691, 4761, 0, - 4909, 4950, 4954, 4962, 5005, 5013, 0, 0, 300, 0, - 0, 0, 0, 0, 0, 0, 300, 0, 0, 163, - 163, 284, 0, 0, 284, 0, 163, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 2386, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 311, 0, 163, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 284, 0, 0, 0, 0, -}; -short yygindex[] = { 0, - 0, 0, 0, -148, 0, 0, -5, 298, 0, 0, - 0, 22, -170, -3, 5708, 591, 1069, 0, 0, 0, - 0, 0, 343, -80, 1003, 111, 0, 0, -113, 0, - 0, 0, -}; -#define YYTABLESIZE 5988 -short yytable[] = {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-"PMFUNC","PRIVATEREF","LABEL","FORMAT","SUB","PACKAGE","WHILE","UNTIL","IF", -"UNLESS","ELSE","ELSIF","CONTINUE","FOR","LOOPEX","DOTDOT","FUNC0","FUNC1", -"FUNC","RELOP","EQOP","MULOP","ADDOP","DOLSHARP","DO","LOCAL","DELETE", -"HASHBRACK","NOAMP","OROP","ANDOP","LSTOP","OROR","ANDAND","BITOROP","BITANDOP", -"UNIOP","SHIFTOP","MATCHOP","ARROW","UMINUS","REFGEN","POWOP","PREINC","PREDEC", -"POSTINC","POSTDEC", -}; -char *yyrule[] = { -"$accept : prog", -"$$1 :", -"prog : $$1 lineseq", -"block : '{' remember lineseq '}'", -"remember :", -"lineseq :", -"lineseq : lineseq decl", -"lineseq : lineseq line", -"line : label cond", -"line : loop", -"line : label ';'", -"line : label sideff ';'", -"sideff : error", -"sideff : expr", -"sideff : expr IF expr", -"sideff : expr UNLESS expr", -"sideff : expr WHILE expr", -"sideff : expr UNTIL expr", -"else :", -"else : ELSE block", -"else : ELSIF '(' expr ')' block else", -"cond : IF '(' expr ')' block else", -"cond : UNLESS '(' expr ')' block 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-"listop : term ARROW METHOD '(' listexpr ')'", -"listop : METHOD indirob listexpr", -"listop : LSTOP listexpr", -"listop : FUNC '(' listexpr ')'", -"sexpr : sexpr '=' sexpr", -"sexpr : sexpr POWOP '=' sexpr", -"sexpr : sexpr MULOP '=' sexpr", -"sexpr : sexpr ADDOP '=' sexpr", -"sexpr : sexpr SHIFTOP '=' sexpr", -"sexpr : sexpr BITANDOP '=' sexpr", -"sexpr : sexpr BITOROP '=' sexpr", -"sexpr : sexpr ANDAND '=' sexpr", -"sexpr : sexpr OROR '=' sexpr", -"sexpr : sexpr POWOP sexpr", -"sexpr : sexpr MULOP sexpr", -"sexpr : sexpr ADDOP sexpr", -"sexpr : sexpr SHIFTOP sexpr", -"sexpr : sexpr RELOP sexpr", -"sexpr : sexpr EQOP sexpr", -"sexpr : sexpr BITANDOP sexpr", -"sexpr : sexpr BITOROP sexpr", -"sexpr : sexpr DOTDOT sexpr", -"sexpr : sexpr ANDAND sexpr", -"sexpr : sexpr OROR sexpr", -"sexpr : sexpr ANDOP sexpr", -"sexpr : sexpr OROP sexpr", -"sexpr : sexpr '?' sexpr ':' sexpr", -"sexpr : sexpr MATCHOP sexpr", -"sexpr : term", -"term : '-' term", -"term : '+' term", -"term : '!' term", -"term : '~' term", -"term : REFGEN term", -"term : term POSTINC", -"term : term POSTDEC", -"term : PREINC term", -"term : PREDEC term", -"term : LOCAL sexpr", -"term : '(' expr crp", -"term : '(' ')'", -"term : '[' expr crb", -"term : '[' ']'", -"term : HASHBRACK expr crhb", -"term : HASHBRACK ';' '}'", -"term : scalar", -"term : star", -"term : scalar '[' expr ']'", -"term : term ARROW '[' expr ']'", -"term : term '[' expr ']'", -"term : hsh", -"term : ary", -"term : arylen", -"term : scalar '{' expr ';' '}'", -"term : term ARROW '{' expr ';' '}'", -"term : term '{' expr ';' '}'", -"term : '(' expr crp '[' expr ']'", -"term : '(' ')' '[' expr ']'", -"term : ary '[' expr ']'", -"term : ary '{' expr ';' '}'", -"term : DELETE scalar '{' expr ';' '}'", -"term : DELETE '(' scalar '{' expr ';' '}' ')'", -"term : THING", -"term : amper", -"term : amper '(' ')'", -"term : amper '(' expr crp", -"term : NOAMP WORD listexpr", -"term : NOAMP WORD indirob listexpr", -"term : DO sexpr", -"term : DO block", -"term : DO WORD '(' ')'", -"term : DO WORD '(' expr crp", -"term : DO scalar '(' ')'", -"term : DO scalar '(' expr crp", -"term : LOOPEX", -"term : LOOPEX WORD", -"term : UNIOP", -"term : UNIOP block", -"term : UNIOP sexpr", -"term : FUNC0", -"term : FUNC0 '(' ')'", -"term : FUNC1 '(' ')'", -"term : FUNC1 '(' expr ')'", -"term : PMFUNC '(' sexpr ')'", -"term : PMFUNC '(' sexpr ',' sexpr ')'", -"term : WORD", -"term : listop", -"listexpr :", -"listexpr : expr", -"amper : '&' indirob", -"scalar : '$' indirob", -"ary : '@' indirob", -"hsh : '%' indirob", -"arylen : DOLSHARP indirob", -"star : '*' indirob", -"indirob : WORD", -"indirob : scalar", -"indirob : block", -"indirob : PRIVATEREF", -"crp : ',' ')'", -"crp : ')'", -"crb : ',' ']'", -"crb : ']'", -"crhb : ',' ';' '}'", -"crhb : ';' '}'", -}; -#endif -#define yyclearin (yychar=(-1)) -#define yyerrok (yyerrflag=0) -#ifdef YYSTACKSIZE -#ifndef YYMAXDEPTH -#define YYMAXDEPTH YYSTACKSIZE -#endif -#else -#ifdef YYMAXDEPTH -#define YYSTACKSIZE YYMAXDEPTH +typedef signed char yysigned_char; + +#ifdef DEBUGGING +# define YYDEBUG 1 #else -#define YYSTACKSIZE 500 -#define YYMAXDEPTH 500 +# define YYDEBUG 0 #endif + +/* contains all the parser state tables; auto-generated from perly.y */ +#include "perly.tab" + +# define YYSIZE_T size_t + +#define yyerrok (yyerrstatus = 0) +#define yyclearin (yychar = YYEMPTY) +#define YYEMPTY (-2) +#define YYEOF 0 + +#define YYACCEPT goto yyacceptlab +#define YYABORT goto yyabortlab +#define YYERROR goto yyerrlab1 + + +/* Like YYERROR except do call yyerror. This remains here temporarily + to ease the transition to the new meaning of YYERROR, for GCC. + Once GCC version 2 has supplanted version 1, this can go. */ + +#define YYFAIL goto yyerrlab + +#define YYRECOVERING() (!!yyerrstatus) + +#define YYBACKUP(Token, Value) \ +do \ + if (yychar == YYEMPTY && yylen == 1) { \ + yychar = (Token); \ + yylval = (Value); \ + yytoken = YYTRANSLATE (yychar); \ + YYPOPSTACK; \ + goto yybackup; \ + } \ + else { \ + yyerror ("syntax error: cannot back up"); \ + YYERROR; \ + } \ +while (0) + +#define YYTERROR 1 +#define YYERRCODE 256 + +/* Enable debugging if requested. */ +#ifdef DEBUGGING + +# define yydebug (DEBUG_p_TEST) + +# define YYFPRINTF PerlIO_printf + +# define YYDPRINTF(Args) \ +do { \ + if (yydebug) \ + YYFPRINTF Args; \ +} while (0) + +# define YYDSYMPRINT(Args) \ +do { \ + if (yydebug) \ + yysymprint Args; \ +} while (0) + +# define YYDSYMPRINTF(Title, Token, Value) \ +do { \ + if (yydebug) { \ + YYFPRINTF (Perl_debug_log, "%s ", Title); \ + yysymprint (aTHX_ Perl_debug_log, Token, Value); \ + YYFPRINTF (Perl_debug_log, "\n"); \ + } \ +} while (0) + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +static void +yysymprint (pTHX_ PerlIO *yyoutput, int yytype, YYSTYPE *yyvaluep) +{ + /* Pacify ``unused variable'' warnings. */ + (void) yyvaluep; + + if (yytype < YYNTOKENS) { + YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); +# ifdef YYPRINT + YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); +# else + YYFPRINTF (yyoutput, "0x%x", yyvaluep->ival); +# endif + } + else + YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); + + switch (yytype) { + default: + break; + } + YYFPRINTF (yyoutput, ")"); +} + + +/* yy_stack_print() + * print the top 8 items on the parse stack. The args have the same + * meanings as the local vars in yyparse() of the same name */ + +static void +yy_stack_print (pTHX_ short *yyss, short *yyssp, YYSTYPE *yyvs, char**yyns) +{ + int i; + int start = 1; + int count = (int)(yyssp - yyss); + + if (count > 8) { + start = count - 8 + 1; + count = 8; + } + + PerlIO_printf(Perl_debug_log, "\nindex:"); + for (i=0; i < count; i++) + PerlIO_printf(Perl_debug_log, " %8d", start+i); + PerlIO_printf(Perl_debug_log, "\nstate:"); + for (i=0, yyss += start; i < count; i++, yyss++) + PerlIO_printf(Perl_debug_log, " %8d", *yyss); + PerlIO_printf(Perl_debug_log, "\ntoken:"); + for (i=0, yyns += start; i < count; i++, yyns++) + PerlIO_printf(Perl_debug_log, " %8.8s", *yyns); + PerlIO_printf(Perl_debug_log, "\nvalue:"); + for (i=0, yyvs += start; i < count; i++, yyvs++) + PerlIO_printf(Perl_debug_log, " %8x", yyvs->ival); + PerlIO_printf(Perl_debug_log, "\n\n"); +} + +# define YY_STACK_PRINT(yyss, yyssp, yyvs, yyns) \ +do { \ + if (yydebug && DEBUG_v_TEST) \ + yy_stack_print (aTHX_ (yyss), (yyssp), (yyvs), (yyns)); \ +} while (0) + + +/*------------------------------------------------. +| Report that the YYRULE is going to be reduced. | +`------------------------------------------------*/ + +static void +yy_reduce_print (pTHX_ int yyrule) +{ + int yyi; + unsigned int yylineno = yyrline[yyrule]; + YYFPRINTF (Perl_debug_log, "Reducing stack by rule %d (line %u), ", + yyrule - 1, yylineno); + /* Print the symbols being reduced, and their result. */ + for (yyi = yyprhs[yyrule]; 0 <= yyrhs[yyi]; yyi++) + YYFPRINTF (Perl_debug_log, "%s ", yytname [yyrhs[yyi]]); + YYFPRINTF (Perl_debug_log, "-> %s\n", yytname [yyr1[yyrule]]); +} + +# define YY_REDUCE_PRINT(Rule) \ +do { \ + if (yydebug) \ + yy_reduce_print (aTHX_ Rule); \ +} while (0) + +#else /* !DEBUGGING */ +# define YYDPRINTF(Args) +# define YYDSYMPRINT(Args) +# define YYDSYMPRINTF(Title, Token, Value) +# define YY_STACK_PRINT(yyss, yyssp, yyvs, yyns) +# define YY_REDUCE_PRINT(Rule) +#endif /* !DEBUGGING */ + + +/* YYINITDEPTH -- initial size of the parser's stacks. */ +#ifndef YYINITDEPTH +# define YYINITDEPTH 200 #endif -int yydebug; -int yynerrs; -int yyerrflag; -int yychar; -YYSTYPE yyval; -YYSTYPE yylval; -#line 605 "perly.y" - /* PROGRAM */ -#line 1648 "y.tab.c" -#define YYABORT goto yyabort -#define YYACCEPT goto yyaccept -#define YYERROR goto yyerrlab + + +#if YYERROR_VERBOSE +# ifndef yystrlen +# if defined (__GLIBC__) && defined (_STRING_H) +# define yystrlen strlen +# else +/* Return the length of YYSTR. */ +static YYSIZE_T +yystrlen (const char *yystr) +{ + register const char *yys = yystr; + + while (*yys++ != '\0') + continue; + + return yys - yystr - 1; +} +# endif +# endif + +# ifndef yystpcpy +# if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE) +# define yystpcpy stpcpy +# else +/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in + YYDEST. */ +static char * +yystpcpy (pTHX_ char *yydest, const char *yysrc) +{ + register char *yyd = yydest; + register const char *yys = yysrc; + + while ((*yyd++ = *yys++) != '\0') + continue; + + return yyd - 1; +} +# endif +# endif + +#endif /* !YYERROR_VERBOSE */ + + +/*-----------------------------------------------. +| Release the memory associated to this symbol. | +`-----------------------------------------------*/ + +static void +yydestruct (int yytype, YYSTYPE *yyvaluep) +{ + /* Pacify ``unused variable'' warnings. */ + (void) yyvaluep; + + switch (yytype) { + default: + break; + } +} + + + + +/*----------. +| yyparse. | +`----------*/ + int -yyparse() +Perl_yyparse (pTHX) { - register int yym, yyn, yystate; + int yychar; /* The lookahead symbol. */ + YYSTYPE yylval; /* The semantic value of the lookahead symbol. */ + int yynerrs; /* Number of syntax errors so far. */ + register int yystate; + register int yyn; + int yyresult; + + /* Number of tokens to shift before error messages enabled. */ + int yyerrstatus; + /* Lookahead token as an internal (translated) token number. */ + int yytoken = 0; + + /* two stacks and their tools: + `yyss': related to states, + `yyvs': related to semantic values, + + Refer to the stacks thru separate pointers, to allow yyoverflow + to reallocate them elsewhere. */ + + /* The state stack. */ + short *yyss; register short *yyssp; + + /* The semantic value stack. */ + YYSTYPE *yyvs; register YYSTYPE *yyvsp; - short* yyss; - YYSTYPE* yyvs; - unsigned yystacksize = YYSTACKSIZE; - int oldyydebug = yydebug; - int oldyynerrs = yynerrs; - int oldyyerrflag = yyerrflag; - int oldyychar = yychar; - YYSTYPE oldyyval = yyval; - YYSTYPE oldyylval = yylval; - int retval = 0; - -#if YYDEBUG - register char *yys; - extern char *getenv(); - - if (yys = getenv("YYDEBUG")) - { - yyn = *yys; - if (yyn >= '0' && yyn <= '9') - yydebug = yyn - '0'; - } + + /* for ease of re-allocation and automatic freeing, have two SVs whose + * SvPVX points to the stacks */ + SV *yyss_sv, *yyvs_sv; + +#ifdef DEBUGGING + /* maintain also a stack of token/rule names for debugging with -Dpv */ + char **yyns, **yynsp; + SV *yyns_sv; +# define YYPOPSTACK (yyvsp--, yyssp--, yynsp--) +#else +# define YYPOPSTACK (yyvsp--, yyssp--) #endif - yynerrs = 0; - yyerrflag = 0; - yychar = (-1); - /* - ** Initialize private stacks (yyparse may be called from an action) - */ - yyss = (short*)malloc(yystacksize*sizeof(short)); - yyvs = (YYSTYPE*)malloc(yystacksize*sizeof(YYSTYPE)); - if (!yyvs || !yyss) - goto yyoverflow; + YYSIZE_T yystacksize = YYINITDEPTH; + + /* The variables used to return semantic value and location from the + action routines. */ + YYSTYPE yyval; + + + /* When reducing, the number of symbols on the RHS of the reduced + rule. */ + int yylen; + + YYDPRINTF ((Perl_debug_log, "Starting parse\n")); + ENTER; /* force stack free before we return */ + SAVEVPTR(PL_yycharp); + SAVEVPTR(PL_yylvalp); + PL_yycharp = &yychar; /* so PL_yyerror() can access it */ + PL_yylvalp = &yylval; /* so various functions in toke.c can access it */ + + yyss_sv = NEWSV(73, YYINITDEPTH * sizeof(short)); + yyvs_sv = NEWSV(73, YYINITDEPTH * sizeof(YYSTYPE)); + SAVEFREESV(yyss_sv); + SAVEFREESV(yyvs_sv); + yyss = (short *) SvPVX(yyss_sv); + yyvs = (YYSTYPE *) SvPVX(yyvs_sv); + /* note that elements zero of yyvs and yyns are not used */ yyssp = yyss; yyvsp = yyvs; - *yyssp = yystate = 0; - -yyloop: - if (yyn = yydefred[yystate]) goto yyreduce; - if (yychar < 0) - { - if ((yychar = yylex()) < 0) yychar = 0; -#if YYDEBUG - if (yydebug) - { - yys = 0; - if (yychar <= YYMAXTOKEN) yys = yyname[yychar]; - if (!yys) yys = "illegal-symbol"; - fprintf(stderr, "yydebug: state %d, reading %d (%s)\n", yystate, - yychar, yys); - } +#ifdef DEBUGGING + yyns_sv = NEWSV(73, YYINITDEPTH * sizeof(char *)); + SAVEFREESV(yyns_sv); + yyns = (char **) SvPVX(yyns_sv); + yynsp = yyns; #endif - } - if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 && - yyn <= YYTABLESIZE && yycheck[yyn] == yychar) - { -#if YYDEBUG - if (yydebug) - fprintf(stderr, "yydebug: state %d, shifting to state %d\n", - yystate, yytable[yyn]); + + yystate = 0; + yyerrstatus = 0; + yynerrs = 0; + yychar = YYEMPTY; /* Cause a token to be read. */ + + + + YYDPRINTF ((Perl_debug_log, "Entering state %d\n", yystate)); + + goto yysetstate; + +/*------------------------------------------------------------. +| yynewstate -- Push a new state, which is found in yystate. | +`------------------------------------------------------------*/ + yynewstate: + /* In all cases, when you get here, the value and location stacks + have just been pushed. so pushing a state here evens the stacks. + */ + yyssp++; + + yysetstate: + *yyssp = yystate; + + if (yyss + yystacksize - 1 <= yyssp) { + /* Get the current used size of the three stacks, in elements. */ + YYSIZE_T yysize = yyssp - yyss + 1; + + /* Extend the stack our own way. */ + if (YYMAXDEPTH <= yystacksize) + goto yyoverflowlab; + yystacksize *= 2; + if (YYMAXDEPTH < yystacksize) + yystacksize = YYMAXDEPTH; + + SvGROW(yyss_sv, yystacksize * sizeof(short)); + SvGROW(yyvs_sv, yystacksize * sizeof(YYSTYPE)); + yyss = (short *) SvPVX(yyss_sv); + yyvs = (YYSTYPE *) SvPVX(yyvs_sv); +#ifdef DEBUGGING + SvGROW(yyns_sv, yystacksize * sizeof(char *)); + yyns = (char **) SvPVX(yyns_sv); + if (! yyns) + goto yyoverflowlab; + yynsp = yyns + yysize - 1; #endif - if (yyssp >= yyss + yystacksize - 1) - { - /* - ** reallocate and recover. Note that pointers - ** have to be reset, or bad things will happen - */ - int yyps_index = (yyssp - yyss); - int yypv_index = (yyvsp - yyvs); - yystacksize += YYSTACKSIZE; - yyvs = (YYSTYPE*)realloc((char*)yyvs,yystacksize * sizeof(YYSTYPE)); - yyss = (short*)realloc((char*)yyss,yystacksize * sizeof(short)); - if (!yyvs || !yyss) - goto yyoverflow; - yyssp = yyss + yyps_index; - yyvsp = yyvs + yypv_index; - } - *++yyssp = yystate = yytable[yyn]; - *++yyvsp = yylval; - yychar = (-1); - if (yyerrflag > 0) --yyerrflag; - goto yyloop; + if (!yyss || ! yyvs) + goto yyoverflowlab; + + yyssp = yyss + yysize - 1; + yyvsp = yyvs + yysize - 1; + + + YYDPRINTF ((Perl_debug_log, "Stack size increased to %lu\n", + (unsigned long int) yystacksize)); + + if (yyss + yystacksize - 1 <= yyssp) + YYABORT; } - if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 && - yyn <= YYTABLESIZE && yycheck[yyn] == yychar) - { - yyn = yytable[yyn]; - goto yyreduce; + + goto yybackup; + + /*-----------. + | yybackup. | + `-----------*/ + yybackup: + +/* Do appropriate processing given the current state. */ +/* Read a lookahead token if we need one and don't already have one. */ +/* yyresume: */ + + /* First try to decide what to do without reference to lookahead token. */ + + yyn = yypact[yystate]; + if (yyn == YYPACT_NINF) + goto yydefault; + + /* Not known => get a lookahead token if don't already have one. */ + + /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */ + if (yychar == YYEMPTY) { + YYDPRINTF ((Perl_debug_log, "Reading a token: ")); + yychar = yylex(); +# ifdef EBCDIC + if (yychar >= 0 && yychar < 255) { + yychar = NATIVE_TO_ASCII(yychar); + } +# endif } - if (yyerrflag) goto yyinrecovery; -#ifdef lint - goto yynewerror; -#endif -yynewerror: - yyerror("syntax error"); -#ifdef lint - goto yyerrlab; -#endif -yyerrlab: - ++yynerrs; -yyinrecovery: - if (yyerrflag < 3) - { - yyerrflag = 3; - for (;;) - { - if ((yyn = yysindex[*yyssp]) && (yyn += YYERRCODE) >= 0 && - yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE) - { -#if YYDEBUG - if (yydebug) - fprintf(stderr, - "yydebug: state %d, error recovery shifting to state %d\n", - *yyssp, yytable[yyn]); -#endif - if (yyssp >= yyss + yystacksize - 1) - { - /* - ** reallocate and recover. Note that pointers - ** have to be reset, or bad things will happen - */ - int yyps_index = (yyssp - yyss); - int yypv_index = (yyvsp - yyvs); - yystacksize += YYSTACKSIZE; - yyvs = (YYSTYPE*)realloc((char*)yyvs, - yystacksize * sizeof(YYSTYPE)); - yyss = (short*)realloc((char*)yyss, - yystacksize * sizeof(short)); - if (!yyvs || !yyss) - goto yyoverflow; - yyssp = yyss + yyps_index; - yyvsp = yyvs + yypv_index; - } - *++yyssp = yystate = yytable[yyn]; - *++yyvsp = yylval; - goto yyloop; - } - else - { -#if YYDEBUG - if (yydebug) - fprintf(stderr, - "yydebug: error recovery discarding state %d\n", - *yyssp); -#endif - if (yyssp <= yyss) goto yyabort; - --yyssp; - --yyvsp; - } - } + + if (yychar <= YYEOF) { + yychar = yytoken = YYEOF; + YYDPRINTF ((Perl_debug_log, "Now at end of input.\n")); } - else - { - if (yychar == 0) goto yyabort; -#if YYDEBUG - if (yydebug) - { - yys = 0; - if (yychar <= YYMAXTOKEN) yys = yyname[yychar]; - if (!yys) yys = "illegal-symbol"; - fprintf(stderr, - "yydebug: state %d, error recovery discards token %d (%s)\n", - yystate, yychar, yys); - } + else { + yytoken = YYTRANSLATE (yychar); + YYDSYMPRINTF ("Next token is", yytoken, &yylval); + } + + /* If the proper action on seeing token YYTOKEN is to reduce or to + detect an error, take that action. */ + yyn += yytoken; + if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) + goto yydefault; + yyn = yytable[yyn]; + if (yyn <= 0) { + if (yyn == 0 || yyn == YYTABLE_NINF) + goto yyerrlab; + yyn = -yyn; + goto yyreduce; + } + + if (yyn == YYFINAL) + YYACCEPT; + + /* Shift the lookahead token. */ + YYDPRINTF ((Perl_debug_log, "Shifting token %s, ", yytname[yytoken])); + + /* Discard the token being shifted unless it is eof. */ + if (yychar != YYEOF) + yychar = YYEMPTY; + + *++yyvsp = yylval; +#ifdef DEBUGGING + *++yynsp = (char *)(yytname[yytoken]); #endif - yychar = (-1); - goto yyloop; + + + /* Count tokens shifted since error; after three, turn off error + status. */ + if (yyerrstatus) + yyerrstatus--; + + yystate = yyn; + YYDPRINTF ((Perl_debug_log, "Entering state %d\n", yystate)); + + goto yynewstate; + + + /*-----------------------------------------------------------. + | yydefault -- do the default action for the current state. | + `-----------------------------------------------------------*/ + yydefault: + yyn = yydefact[yystate]; + if (yyn == 0) + goto yyerrlab; + goto yyreduce; + + + /*-----------------------------. + | yyreduce -- Do a reduction. | + `-----------------------------*/ + yyreduce: + /* yyn is the number of a rule to reduce with. */ + yylen = yyr2[yyn]; + + /* If YYLEN is nonzero, implement the default value of the action: + `$$ = $1'. + + Otherwise, the following line sets YYVAL to garbage. + This behavior is undocumented and Bison + users should not rely upon it. Assigning to YYVAL + unconditionally makes the parser a bit smaller, and it avoids a + GCC warning that YYVAL may be used uninitialized. */ + yyval = yyvsp[1-yylen]; + + + YY_REDUCE_PRINT (yyn); + switch (yyn) { + +/* contains all the rule actions; auto-generated from perly.y */ + +#define dep() deprecate("\"do\" to call subroutines") +#include "perly.act" + } -yyreduce: -#if YYDEBUG - if (yydebug) - fprintf(stderr, "yydebug: state %d, reducing by rule %d (%s)\n", - yystate, yyn, yyrule[yyn]); + + yyvsp -= yylen; + yyssp -= yylen; +#ifdef DEBUGGING + yynsp -= yylen; #endif - yym = yylen[yyn]; - yyval = yyvsp[1-yym]; - switch (yyn) - { -case 1: -#line 102 "perly.y" -{ -#if defined(YYDEBUG) && defined(DEBUGGING) - yydebug = (debug & 1); + + + *++yyvsp = yyval; +#ifdef DEBUGGING + *++yynsp = (char *)(yytname [yyr1[yyn]]); #endif - expect = XBLOCK; - } -break; -case 2: -#line 109 "perly.y" -{ if (in_eval) { - eval_root = newUNOP(OP_LEAVEEVAL, 0, yyvsp[0].opval); - eval_start = linklist(eval_root); - eval_root->op_next = 0; - peep(eval_start); - } - else - main_root = block_head(yyvsp[0].opval, &main_start); + + /* Now `shift' the result of the reduction. Determine what state + that goes to, based on the state we popped back to and the rule + number reduced by. */ + + yyn = yyr1[yyn]; + + yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; + if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) + yystate = yytable[yystate]; + else + yystate = yydefgoto[yyn - YYNTOKENS]; + + YYDPRINTF ((Perl_debug_log, "Entering state %d\n", yystate)); + +#ifdef DEBUGGING + /* tmp push yystate for stack print; this is normally pushed later in + * yynewstate */ + yyssp++; + *yyssp = yystate; + YY_STACK_PRINT (yyss, yyssp, yyvs, yyns); + yyssp--; +#endif + + goto yynewstate; + + + /*------------------------------------. + | yyerrlab -- here on detecting error | + `------------------------------------*/ + yyerrlab: + /* If not already recovering from an error, report this error. */ + if (!yyerrstatus) { + ++yynerrs; +#if YYERROR_VERBOSE + yyn = yypact[yystate]; + + if (YYPACT_NINF < yyn && yyn < YYLAST) { + YYSIZE_T yysize = 0; + int yytype = YYTRANSLATE (yychar); + char *yymsg; + int yyx, yycount; + + yycount = 0; + /* Start YYX at -YYN if negative to avoid negative indexes in + YYCHECK. */ + for (yyx = yyn < 0 ? -yyn : 0; + yyx < (int) (sizeof (yytname) / sizeof (char *)); yyx++) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) + yysize += yystrlen (yytname[yyx]) + 15, yycount++; + yysize += yystrlen ("syntax error, unexpected ") + 1; + yysize += yystrlen (yytname[yytype]); + New(yymsg, yysize, char *); + if (yymsg != 0) { + char *yyp = yystpcpy (yymsg, "syntax error, unexpected "); + yyp = yystpcpy (yyp, yytname[yytype]); + + if (yycount < 5) { + yycount = 0; + for (yyx = yyn < 0 ? -yyn : 0; + yyx < (int) (sizeof (yytname) / sizeof (char *)); + yyx++) + { + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) { + const char *yyq = ! yycount ? + ", expecting " : " or "; + yyp = yystpcpy (yyp, yyq); + yyp = yystpcpy (yyp, yytname[yyx]); + yycount++; } -break; -case 3: -#line 121 "perly.y" -{ int nbs = needblockscope; - yyval.opval = scalarseq(yyvsp[-1].opval); - if (copline > (line_t)yyvsp[-3].ival) - copline = yyvsp[-3].ival; - leave_scope(yyvsp[-2].ival); - if (nbs) - needblockscope = TRUE; /* propagate outward */ - pad_leavemy(comppadnamefill); } -break; -case 4: -#line 132 "perly.y" -{ yyval.ival = savestack_ix; - SAVEINT(comppadnamefill); - SAVEINT(needblockscope); - needblockscope = FALSE; } -break; -case 5: -#line 139 "perly.y" -{ yyval.opval = Nullop; } -break; -case 6: -#line 141 "perly.y" -{ yyval.opval = yyvsp[-1].opval; } -break; -case 7: -#line 143 "perly.y" -{ yyval.opval = append_list(OP_LINESEQ, - (LISTOP*)yyvsp[-1].opval, (LISTOP*)yyvsp[0].opval); pad_reset(); - if (yyvsp[-1].opval && yyvsp[0].opval) needblockscope = TRUE; } -break; -case 8: -#line 149 "perly.y" -{ yyval.opval = newSTATEOP(0, yyvsp[-1].pval, yyvsp[0].opval); } -break; -case 10: -#line 152 "perly.y" -{ if (yyvsp[-1].pval != Nullch) { - yyval.opval = newSTATEOP(0, yyvsp[-1].pval, newOP(OP_NULL, 0)); - } - else { - yyval.opval = Nullop; - copline = NOLINE; - } - expect = XBLOCK; } -break; -case 11: -#line 161 "perly.y" -{ yyval.opval = newSTATEOP(0, yyvsp[-2].pval, yyvsp[-1].opval); - expect = XBLOCK; } -break; -case 12: -#line 166 "perly.y" -{ yyval.opval = Nullop; } -break; -case 13: -#line 168 "perly.y" -{ yyval.opval = yyvsp[0].opval; } -break; -case 14: -#line 170 "perly.y" -{ yyval.opval = newLOGOP(OP_AND, 0, yyvsp[0].opval, yyvsp[-2].opval); } -break; -case 15: -#line 172 "perly.y" -{ yyval.opval = newLOGOP(OP_OR, 0, yyvsp[0].opval, yyvsp[-2].opval); } -break; -case 16: -#line 174 "perly.y" -{ yyval.opval = newLOOPOP(0, 1, scalar(yyvsp[0].opval), yyvsp[-2].opval); } -break; -case 17: -#line 176 "perly.y" -{ yyval.opval = newLOOPOP(0, 1, invert(scalar(yyvsp[0].opval)), yyvsp[-2].opval);} -break; -case 18: -#line 180 "perly.y" -{ yyval.opval = Nullop; } -break; -case 19: -#line 182 "perly.y" -{ yyval.opval = scope(yyvsp[0].opval); } -break; -case 20: -#line 184 "perly.y" -{ copline = yyvsp[-5].ival; - yyval.opval = newCONDOP(0, yyvsp[-3].opval, scope(yyvsp[-1].opval), yyvsp[0].opval); } -break; -case 21: -#line 189 "perly.y" -{ copline = yyvsp[-5].ival; - yyval.opval = newCONDOP(0, yyvsp[-3].opval, scope(yyvsp[-1].opval), yyvsp[0].opval); } -break; -case 22: -#line 192 "perly.y" -{ copline = yyvsp[-5].ival; - yyval.opval = newCONDOP(0, - invert(scalar(yyvsp[-3].opval)), scope(yyvsp[-1].opval), yyvsp[0].opval); } -break; -case 23: -#line 196 "perly.y" -{ copline = yyvsp[-3].ival; - yyval.opval = newCONDOP(0, scope(yyvsp[-2].opval), scope(yyvsp[-1].opval), yyvsp[0].opval); } -break; -case 24: -#line 199 "perly.y" -{ copline = yyvsp[-3].ival; - yyval.opval = newCONDOP(0, invert(scalar(scope(yyvsp[-2].opval))), - scope(yyvsp[-1].opval), yyvsp[0].opval); } -break; -case 25: -#line 205 "perly.y" -{ yyval.opval = Nullop; } -break; -case 26: -#line 207 "perly.y" -{ yyval.opval = scope(yyvsp[0].opval); } -break; -case 27: -#line 211 "perly.y" -{ copline = yyvsp[-5].ival; - yyval.opval = newSTATEOP(0, yyvsp[-6].pval, - newWHILEOP(0, 1, (LOOP*)Nullop, - yyvsp[-3].opval, yyvsp[-1].opval, yyvsp[0].opval) ); } -break; -case 28: -#line 216 "perly.y" -{ copline = yyvsp[-5].ival; - yyval.opval = newSTATEOP(0, yyvsp[-6].pval, - newWHILEOP(0, 1, (LOOP*)Nullop, - invert(scalar(yyvsp[-3].opval)), yyvsp[-1].opval, yyvsp[0].opval) ); } -break; -case 29: -#line 221 "perly.y" -{ copline = yyvsp[-3].ival; - yyval.opval = newSTATEOP(0, yyvsp[-4].pval, - newWHILEOP(0, 1, (LOOP*)Nullop, - scope(yyvsp[-2].opval), yyvsp[-1].opval, yyvsp[0].opval) ); } -break; -case 30: -#line 226 "perly.y" -{ copline = yyvsp[-3].ival; - yyval.opval = newSTATEOP(0, yyvsp[-4].pval, - newWHILEOP(0, 1, (LOOP*)Nullop, - invert(scalar(scope(yyvsp[-2].opval))), yyvsp[-1].opval, yyvsp[0].opval)); } -break; -case 31: -#line 231 "perly.y" -{ yyval.opval = newFOROP(0, yyvsp[-7].pval, yyvsp[-6].ival, mod(yyvsp[-5].opval, OP_ENTERLOOP), - yyvsp[-3].opval, yyvsp[-1].opval, yyvsp[0].opval); } -break; -case 32: -#line 234 "perly.y" -{ yyval.opval = newFOROP(0, yyvsp[-6].pval, yyvsp[-5].ival, Nullop, yyvsp[-3].opval, yyvsp[-1].opval, yyvsp[0].opval); } -break; -case 33: -#line 237 "perly.y" -{ copline = yyvsp[-8].ival; - yyval.opval = append_elem(OP_LINESEQ, - newSTATEOP(0, yyvsp[-9].pval, scalar(yyvsp[-6].opval)), - newSTATEOP(0, yyvsp[-9].pval, - newWHILEOP(0, 1, (LOOP*)Nullop, - scalar(yyvsp[-4].opval), yyvsp[0].opval, scalar(yyvsp[-2].opval)) )); } -break; -case 34: -#line 244 "perly.y" -{ yyval.opval = newSTATEOP(0, - yyvsp[-2].pval, newWHILEOP(0, 1, (LOOP*)Nullop, - Nullop, yyvsp[-1].opval, yyvsp[0].opval)); } -break; -case 35: -#line 250 "perly.y" -{ yyval.opval = Nullop; } -break; -case 37: -#line 255 "perly.y" -{ (void)scan_num("1"); yyval.opval = yylval.opval; } -break; -case 39: -#line 260 "perly.y" -{ yyval.pval = Nullch; } -break; -case 41: -#line 265 "perly.y" -{ yyval.ival = 0; } -break; -case 42: -#line 267 "perly.y" -{ yyval.ival = 0; } -break; -case 43: -#line 269 "perly.y" -{ yyval.ival = 0; } -break; -case 44: -#line 273 "perly.y" -{ newFORM(yyvsp[-2].ival, yyvsp[-1].opval, yyvsp[0].opval); } -break; -case 45: -#line 275 "perly.y" -{ newFORM(yyvsp[-1].ival, Nullop, yyvsp[0].opval); } -break; -case 46: -#line 279 "perly.y" -{ newSUB(yyvsp[-2].ival, yyvsp[-1].opval, yyvsp[0].opval); } -break; -case 47: -#line 281 "perly.y" -{ newSUB(yyvsp[-2].ival, yyvsp[-1].opval, Nullop); expect = XBLOCK; } -break; -case 48: -#line 285 "perly.y" -{ package(yyvsp[-1].opval); } -break; -case 49: -#line 287 "perly.y" -{ package(Nullop); } -break; -case 50: -#line 291 "perly.y" -{ yyval.opval = append_elem(OP_LIST, yyvsp[-2].opval, yyvsp[0].opval); } -break; -case 52: -#line 296 "perly.y" -{ yyval.opval = convert(yyvsp[-2].ival, OPf_STACKED, - prepend_elem(OP_LIST, newGVREF(yyvsp[-1].opval), yyvsp[0].opval) ); } -break; -case 53: -#line 299 "perly.y" -{ yyval.opval = convert(yyvsp[-4].ival, OPf_STACKED, - prepend_elem(OP_LIST, newGVREF(yyvsp[-2].opval), yyvsp[-1].opval) ); } -break; -case 54: -#line 302 "perly.y" -{ yyval.opval = convert(yyvsp[-1].ival, OPf_STACKED, - prepend_elem(OP_LIST, newGVREF(yyvsp[-3].opval), yyvsp[0].opval) ); } -break; -case 55: -#line 305 "perly.y" -{ yyval.opval = convert(yyvsp[-3].ival, OPf_STACKED, - prepend_elem(OP_LIST, newGVREF(yyvsp[-5].opval), yyvsp[-1].opval) ); } -break; -case 56: -#line 308 "perly.y" -{ yyval.opval = convert(OP_ENTERSUBR, OPf_STACKED|OPf_SPECIAL, - prepend_elem(OP_LIST, newMETHOD(yyvsp[-5].opval,yyvsp[-3].opval), yyvsp[-1].opval)); } -break; -case 57: -#line 311 "perly.y" -{ yyval.opval = convert(OP_ENTERSUBR, OPf_STACKED|OPf_SPECIAL, - prepend_elem(OP_LIST, newMETHOD(yyvsp[-1].opval,yyvsp[-2].opval), yyvsp[0].opval)); } -break; -case 58: -#line 314 "perly.y" -{ yyval.opval = convert(yyvsp[-1].ival, 0, yyvsp[0].opval); } -break; -case 59: -#line 316 "perly.y" -{ yyval.opval = convert(yyvsp[-3].ival, 0, yyvsp[-1].opval); } -break; -case 60: -#line 320 "perly.y" -{ yyval.opval = newASSIGNOP(OPf_STACKED, yyvsp[-2].opval, yyvsp[0].opval); } -break; -case 61: -#line 322 "perly.y" -{ yyval.opval = newBINOP(yyvsp[-2].ival, OPf_STACKED, - mod(scalar(yyvsp[-3].opval), yyvsp[-2].ival), scalar(yyvsp[0].opval)); } -break; -case 62: -#line 325 "perly.y" -{ yyval.opval = newBINOP(yyvsp[-2].ival, OPf_STACKED, - mod(scalar(yyvsp[-3].opval), yyvsp[-2].ival), scalar(yyvsp[0].opval)); } -break; -case 63: -#line 328 "perly.y" -{ yyval.opval = newBINOP(yyvsp[-2].ival, OPf_STACKED, - mod(scalar(yyvsp[-3].opval), yyvsp[-2].ival), scalar(yyvsp[0].opval));} -break; -case 64: -#line 331 "perly.y" -{ yyval.opval = newBINOP(yyvsp[-2].ival, OPf_STACKED, - mod(scalar(yyvsp[-3].opval), yyvsp[-2].ival), scalar(yyvsp[0].opval)); } -break; -case 65: -#line 334 "perly.y" -{ yyval.opval = newBINOP(yyvsp[-2].ival, OPf_STACKED, - mod(scalar(yyvsp[-3].opval), yyvsp[-2].ival), scalar(yyvsp[0].opval)); } -break; -case 66: -#line 337 "perly.y" -{ yyval.opval = newBINOP(yyvsp[-2].ival, OPf_STACKED, - mod(scalar(yyvsp[-3].opval), yyvsp[-2].ival), scalar(yyvsp[0].opval)); } -break; -case 67: -#line 340 "perly.y" -{ yyval.opval = newLOGOP(OP_ANDASSIGN, 0, - mod(scalar(yyvsp[-3].opval), OP_ANDASSIGN), - newUNOP(OP_SASSIGN, 0, scalar(yyvsp[0].opval))); } -break; -case 68: -#line 344 "perly.y" -{ yyval.opval = newLOGOP(OP_ORASSIGN, 0, - mod(scalar(yyvsp[-3].opval), OP_ORASSIGN), - newUNOP(OP_SASSIGN, 0, scalar(yyvsp[0].opval))); } -break; -case 69: -#line 350 "perly.y" -{ yyval.opval = newBINOP(yyvsp[-1].ival, 0, scalar(yyvsp[-2].opval), scalar(yyvsp[0].opval)); } -break; -case 70: -#line 352 "perly.y" -{ if (yyvsp[-1].ival != OP_REPEAT) - scalar(yyvsp[-2].opval); - yyval.opval = newBINOP(yyvsp[-1].ival, 0, yyvsp[-2].opval, scalar(yyvsp[0].opval)); } -break; -case 71: -#line 356 "perly.y" -{ yyval.opval = newBINOP(yyvsp[-1].ival, 0, scalar(yyvsp[-2].opval), scalar(yyvsp[0].opval)); } -break; -case 72: -#line 358 "perly.y" -{ yyval.opval = newBINOP(yyvsp[-1].ival, 0, scalar(yyvsp[-2].opval), scalar(yyvsp[0].opval)); } -break; -case 73: -#line 360 "perly.y" -{ yyval.opval = newBINOP(yyvsp[-1].ival, 0, scalar(yyvsp[-2].opval), scalar(yyvsp[0].opval)); } -break; -case 74: -#line 362 "perly.y" -{ yyval.opval = newBINOP(yyvsp[-1].ival, 0, scalar(yyvsp[-2].opval), scalar(yyvsp[0].opval)); } -break; -case 75: -#line 364 "perly.y" -{ yyval.opval = newBINOP(yyvsp[-1].ival, 0, scalar(yyvsp[-2].opval), scalar(yyvsp[0].opval)); } -break; -case 76: -#line 366 "perly.y" -{ yyval.opval = newBINOP(yyvsp[-1].ival, 0, scalar(yyvsp[-2].opval), scalar(yyvsp[0].opval)); } -break; -case 77: -#line 368 "perly.y" -{ yyval.opval = newRANGE(yyvsp[-1].ival, scalar(yyvsp[-2].opval), scalar(yyvsp[0].opval));} -break; -case 78: -#line 370 "perly.y" -{ yyval.opval = newLOGOP(OP_AND, 0, yyvsp[-2].opval, yyvsp[0].opval); } -break; -case 79: -#line 372 "perly.y" -{ yyval.opval = newLOGOP(OP_OR, 0, yyvsp[-2].opval, yyvsp[0].opval); } -break; -case 80: -#line 374 "perly.y" -{ yyval.opval = newLOGOP(OP_AND, 0, yyvsp[-2].opval, yyvsp[0].opval); } -break; -case 81: -#line 376 "perly.y" -{ yyval.opval = newLOGOP(OP_OR, 0, yyvsp[-2].opval, yyvsp[0].opval); } -break; -case 82: -#line 378 "perly.y" -{ yyval.opval = newCONDOP(0, yyvsp[-4].opval, yyvsp[-2].opval, yyvsp[0].opval); } -break; -case 83: -#line 380 "perly.y" -{ yyval.opval = bind_match(yyvsp[-1].ival, yyvsp[-2].opval, yyvsp[0].opval); } -break; -case 84: -#line 382 "perly.y" -{ yyval.opval = yyvsp[0].opval; } -break; -case 85: -#line 386 "perly.y" -{ yyval.opval = newUNOP(OP_NEGATE, 0, scalar(yyvsp[0].opval)); } -break; -case 86: -#line 388 "perly.y" -{ yyval.opval = yyvsp[0].opval; } -break; -case 87: -#line 390 "perly.y" -{ yyval.opval = newUNOP(OP_NOT, 0, scalar(yyvsp[0].opval)); } -break; -case 88: -#line 392 "perly.y" -{ yyval.opval = newUNOP(OP_COMPLEMENT, 0, scalar(yyvsp[0].opval));} -break; -case 89: -#line 394 "perly.y" -{ yyval.opval = newUNOP(OP_REFGEN, 0, mod(yyvsp[0].opval,OP_REFGEN)); } -break; -case 90: -#line 396 "perly.y" -{ yyval.opval = newUNOP(OP_POSTINC, 0, - mod(scalar(yyvsp[-1].opval), OP_POSTINC)); } -break; -case 91: -#line 399 "perly.y" -{ yyval.opval = newUNOP(OP_POSTDEC, 0, - mod(scalar(yyvsp[-1].opval), OP_POSTDEC)); } -break; -case 92: -#line 402 "perly.y" -{ yyval.opval = newUNOP(OP_PREINC, 0, - mod(scalar(yyvsp[0].opval), OP_PREINC)); } -break; -case 93: -#line 405 "perly.y" -{ yyval.opval = newUNOP(OP_PREDEC, 0, - mod(scalar(yyvsp[0].opval), OP_PREDEC)); } -break; -case 94: -#line 408 "perly.y" -{ yyval.opval = localize(yyvsp[0].opval,yyvsp[-1].ival); } -break; -case 95: -#line 410 "perly.y" -{ yyval.opval = sawparens(yyvsp[-1].opval); } -break; -case 96: -#line 412 "perly.y" -{ yyval.opval = newNULLLIST(); } -break; -case 97: -#line 414 "perly.y" -{ yyval.opval = newANONLIST(yyvsp[-1].opval); } -break; -case 98: -#line 416 "perly.y" -{ yyval.opval = newANONLIST(Nullop); } -break; -case 99: -#line 418 "perly.y" -{ yyval.opval = newANONHASH(yyvsp[-1].opval); } -break; -case 100: -#line 420 "perly.y" -{ yyval.opval = newANONHASH(Nullop); } -break; -case 101: -#line 422 "perly.y" -{ yyval.opval = yyvsp[0].opval; } -break; -case 102: -#line 424 "perly.y" -{ yyval.opval = yyvsp[0].opval; } -break; -case 103: -#line 426 "perly.y" -{ yyval.opval = newBINOP(OP_AELEM, 0, oopsAV(yyvsp[-3].opval), scalar(yyvsp[-1].opval)); } -break; -case 104: -#line 428 "perly.y" -{ yyval.opval = newBINOP(OP_AELEM, 0, - scalar(ref(newAVREF(yyvsp[-4].opval),OP_RV2AV)), - scalar(yyvsp[-1].opval));} -break; -case 105: -#line 432 "perly.y" -{ yyval.opval = newBINOP(OP_AELEM, 0, - scalar(ref(newAVREF(yyvsp[-3].opval),OP_RV2AV)), - scalar(yyvsp[-1].opval));} -break; -case 106: -#line 436 "perly.y" -{ yyval.opval = yyvsp[0].opval; } -break; -case 107: -#line 438 "perly.y" -{ yyval.opval = yyvsp[0].opval; } -break; -case 108: -#line 440 "perly.y" -{ yyval.opval = newUNOP(OP_AV2ARYLEN, 0, ref(yyvsp[0].opval, OP_AV2ARYLEN));} -break; -case 109: -#line 442 "perly.y" -{ yyval.opval = newBINOP(OP_HELEM, 0, oopsHV(yyvsp[-4].opval), jmaybe(yyvsp[-2].opval)); - expect = XOPERATOR; } -break; -case 110: -#line 445 "perly.y" -{ yyval.opval = newBINOP(OP_HELEM, 0, - scalar(ref(newHVREF(yyvsp[-5].opval),OP_RV2HV)), - jmaybe(yyvsp[-2].opval)); - expect = XOPERATOR; } -break; -case 111: -#line 450 "perly.y" -{ yyval.opval = newBINOP(OP_HELEM, 0, - scalar(ref(newHVREF(yyvsp[-4].opval),OP_RV2HV)), - jmaybe(yyvsp[-2].opval)); - expect = XOPERATOR; } -break; -case 112: -#line 455 "perly.y" -{ yyval.opval = newSLICEOP(0, yyvsp[-1].opval, yyvsp[-4].opval); } -break; -case 113: -#line 457 "perly.y" -{ yyval.opval = newSLICEOP(0, yyvsp[-1].opval, Nullop); } -break; -case 114: -#line 459 "perly.y" -{ yyval.opval = prepend_elem(OP_ASLICE, - newOP(OP_PUSHMARK, 0), - list( - newLISTOP(OP_ASLICE, 0, - list(yyvsp[-1].opval), - ref(yyvsp[-3].opval, OP_ASLICE)))); } -break; -case 115: -#line 466 "perly.y" -{ yyval.opval = prepend_elem(OP_HSLICE, - newOP(OP_PUSHMARK, 0), - list( - newLISTOP(OP_HSLICE, 0, - list(yyvsp[-2].opval), - ref(oopsHV(yyvsp[-4].opval), OP_HSLICE)))); - expect = XOPERATOR; } -break; -case 116: -#line 474 "perly.y" -{ yyval.opval = newBINOP(OP_DELETE, 0, oopsHV(yyvsp[-4].opval), jmaybe(yyvsp[-2].opval)); - expect = XOPERATOR; } -break; -case 117: -#line 477 "perly.y" -{ yyval.opval = newBINOP(OP_DELETE, 0, oopsHV(yyvsp[-5].opval), jmaybe(yyvsp[-3].opval)); - expect = XOPERATOR; } -break; -case 118: -#line 480 "perly.y" -{ yyval.opval = yyvsp[0].opval; } -break; -case 119: -#line 482 "perly.y" -{ yyval.opval = newUNOP(OP_ENTERSUBR, 0, - scalar(yyvsp[0].opval)); } -break; -case 120: -#line 485 "perly.y" -{ yyval.opval = newUNOP(OP_ENTERSUBR, OPf_STACKED, scalar(yyvsp[-2].opval)); } -break; -case 121: -#line 487 "perly.y" -{ yyval.opval = newUNOP(OP_ENTERSUBR, OPf_STACKED, - list(prepend_elem(OP_LIST, scalar(yyvsp[-3].opval), yyvsp[-1].opval))); } -break; -case 122: -#line 490 "perly.y" -{ yyval.opval = newUNOP(OP_ENTERSUBR, OPf_STACKED, - list(prepend_elem(OP_LIST, - newCVREF(scalar(yyvsp[-1].opval)), yyvsp[0].opval))); } -break; -case 123: -#line 494 "perly.y" -{ yyval.opval = convert(OP_ENTERSUBR, OPf_STACKED|OPf_SPECIAL, - prepend_elem(OP_LIST, newMETHOD(yyvsp[-1].opval,yyvsp[-2].opval), yyvsp[0].opval)); } -break; -case 124: -#line 497 "perly.y" -{ yyval.opval = newUNOP(OP_DOFILE, 0, scalar(yyvsp[0].opval)); } -break; -case 125: -#line 499 "perly.y" -{ yyval.opval = newUNOP(OP_NULL, OPf_SPECIAL, scope(yyvsp[0].opval)); } -break; -case 126: -#line 501 "perly.y" -{ yyval.opval = newUNOP(OP_ENTERSUBR, OPf_SPECIAL|OPf_STACKED, - list(prepend_elem(OP_LIST, - scalar(newCVREF(scalar(yyvsp[-2].opval))), newNULLLIST()))); } -break; -case 127: -#line 505 "perly.y" -{ yyval.opval = newUNOP(OP_ENTERSUBR, OPf_SPECIAL|OPf_STACKED, - list(prepend_elem(OP_LIST, - scalar(newCVREF(scalar(yyvsp[-3].opval))), - yyvsp[-1].opval))); } -break; -case 128: -#line 510 "perly.y" -{ yyval.opval = newUNOP(OP_ENTERSUBR, OPf_SPECIAL|OPf_STACKED, - list(prepend_elem(OP_LIST, - scalar(newCVREF(scalar(yyvsp[-2].opval))), newNULLLIST())));} -break; -case 129: -#line 514 "perly.y" -{ yyval.opval = newUNOP(OP_ENTERSUBR, OPf_SPECIAL|OPf_STACKED, - list(prepend_elem(OP_LIST, - scalar(newCVREF(scalar(yyvsp[-3].opval))), - yyvsp[-1].opval))); } -break; -case 130: -#line 519 "perly.y" -{ yyval.opval = newOP(yyvsp[0].ival, OPf_SPECIAL); needblockscope = TRUE; } -break; -case 131: -#line 521 "perly.y" -{ yyval.opval = newPVOP(yyvsp[-1].ival, 0, - savestr(SvPVx(((SVOP*)yyvsp[0].opval)->op_sv, na))); - op_free(yyvsp[0].opval); needblockscope = TRUE; } -break; -case 132: -#line 525 "perly.y" -{ yyval.opval = newOP(yyvsp[0].ival, 0); } -break; -case 133: -#line 527 "perly.y" -{ yyval.opval = newUNOP(yyvsp[-1].ival, 0, yyvsp[0].opval); } -break; -case 134: -#line 529 "perly.y" -{ yyval.opval = newUNOP(yyvsp[-1].ival, 0, yyvsp[0].opval); } -break; -case 135: -#line 531 "perly.y" -{ yyval.opval = newOP(yyvsp[0].ival, 0); } -break; -case 136: -#line 533 "perly.y" -{ yyval.opval = newOP(yyvsp[-2].ival, 0); } -break; -case 137: -#line 535 "perly.y" -{ yyval.opval = newOP(yyvsp[-2].ival, OPf_SPECIAL); } -break; -case 138: -#line 537 "perly.y" -{ yyval.opval = newUNOP(yyvsp[-3].ival, 0, yyvsp[-1].opval); } -break; -case 139: -#line 539 "perly.y" -{ yyval.opval = pmruntime(yyvsp[-3].opval, yyvsp[-1].opval, Nullop); } -break; -case 140: -#line 541 "perly.y" -{ yyval.opval = pmruntime(yyvsp[-5].opval, yyvsp[-3].opval, yyvsp[-1].opval); } -break; -case 143: -#line 547 "perly.y" -{ yyval.opval = newNULLLIST(); } -break; -case 144: -#line 549 "perly.y" -{ yyval.opval = yyvsp[0].opval; } -break; -case 145: -#line 553 "perly.y" -{ yyval.opval = newCVREF(yyvsp[0].opval); } -break; -case 146: -#line 557 "perly.y" -{ yyval.opval = newSVREF(yyvsp[0].opval); } -break; -case 147: -#line 561 "perly.y" -{ yyval.opval = newAVREF(yyvsp[0].opval); } -break; -case 148: -#line 565 "perly.y" -{ yyval.opval = newHVREF(yyvsp[0].opval); } -break; -case 149: -#line 569 "perly.y" -{ yyval.opval = newAVREF(yyvsp[0].opval); } -break; -case 150: -#line 573 "perly.y" -{ yyval.opval = newGVREF(yyvsp[0].opval); } -break; -case 151: -#line 577 "perly.y" -{ yyval.opval = scalar(yyvsp[0].opval); } -break; -case 152: -#line 579 "perly.y" -{ yyval.opval = scalar(yyvsp[0].opval); } -break; -case 153: -#line 581 "perly.y" -{ yyval.opval = scalar(scope(yyvsp[0].opval)); } -break; -case 154: -#line 584 "perly.y" -{ yyval.opval = yyvsp[0].opval; } -break; -case 155: -#line 588 "perly.y" -{ yyval.ival = 1; } -break; -case 156: -#line 590 "perly.y" -{ yyval.ival = 0; } -break; -case 157: -#line 594 "perly.y" -{ yyval.ival = 1; } -break; -case 158: -#line 596 "perly.y" -{ yyval.ival = 0; } -break; -case 159: -#line 600 "perly.y" -{ yyval.ival = 1; } -break; -case 160: -#line 602 "perly.y" -{ yyval.ival = 0; } -break; -#line 2523 "y.tab.c" + } + } + yyerror (yymsg); + YYSTACK_FREE (yymsg); + } + else + yyerror ("syntax error; also virtual memory exhausted"); + } + else +#endif /* YYERROR_VERBOSE */ + yyerror ("syntax error"); } - yyssp -= yym; - yystate = *yyssp; - yyvsp -= yym; - yym = yylhs[yyn]; - if (yystate == 0 && yym == 0) - { -#if YYDEBUG - if (yydebug) - fprintf(stderr, - "yydebug: after reduction, shifting from state 0 to state %d\n", - YYFINAL); -#endif - yystate = YYFINAL; - *++yyssp = YYFINAL; - *++yyvsp = yyval; - if (yychar < 0) - { - if ((yychar = yylex()) < 0) yychar = 0; -#if YYDEBUG - if (yydebug) - { - yys = 0; - if (yychar <= YYMAXTOKEN) yys = yyname[yychar]; - if (!yys) yys = "illegal-symbol"; - fprintf(stderr, "yydebug: state %d, reading %d (%s)\n", - YYFINAL, yychar, yys); - } -#endif - } - if (yychar == 0) goto yyaccept; - goto yyloop; + + + if (yyerrstatus == 3) { + /* If just tried and failed to reuse lookahead token after an + error, discard it. */ + + /* Return failure if at end of input. */ + if (yychar == YYEOF) { + /* Pop the error token. */ + YYPOPSTACK; + /* Pop the rest of the stack. */ + while (yyss < yyssp) { + YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp); + yydestruct (yystos[*yyssp], yyvsp); + YYPOPSTACK; + } + YYABORT; + } + + YYDSYMPRINTF ("Error: discarding", yytoken, &yylval); + yydestruct (yytoken, &yylval); + yychar = YYEMPTY; + } - if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 && - yyn <= YYTABLESIZE && yycheck[yyn] == yystate) - yystate = yytable[yyn]; - else - yystate = yydgoto[yym]; -#if YYDEBUG - if (yydebug) - fprintf(stderr, - "yydebug: after reduction, shifting from state %d to state %d\n", - *yyssp, yystate); + + /* Else will try to reuse lookahead token after shifting the error + token. */ + goto yyerrlab1; + + + /*----------------------------------------------------. + | yyerrlab1 -- error raised explicitly by an action. | + `----------------------------------------------------*/ + yyerrlab1: + yyerrstatus = 3; /* Each real token shifted decrements this. */ + + for (;;) { + yyn = yypact[yystate]; + if (yyn != YYPACT_NINF) { + yyn += YYTERROR; + if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) { + yyn = yytable[yyn]; + if (0 < yyn) + break; + } + } + + /* Pop the current state because it cannot handle the error token. */ + if (yyssp == yyss) + YYABORT; + + YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp); + yydestruct (yystos[yystate], yyvsp); + yyvsp--; +#ifdef DEBUGGING + yynsp--; #endif - if (yyssp >= yyss + yystacksize - 1) - { - /* - ** reallocate and recover. Note that pointers - ** have to be reset, or bad things will happen - */ - int yyps_index = (yyssp - yyss); - int yypv_index = (yyvsp - yyvs); - yystacksize += YYSTACKSIZE; - yyvs = (YYSTYPE*)realloc((char*)yyvs,yystacksize * sizeof(YYSTYPE)); - yyss = (short*)realloc((char*)yyss,yystacksize * sizeof(short)); - if (!yyvs || !yyss) - goto yyoverflow; - yyssp = yyss + yyps_index; - yyvsp = yyvs + yypv_index; + yystate = *--yyssp; + + YY_STACK_PRINT (yyss, yyssp, yyvs, yyns); } - *++yyssp = yystate; - *++yyvsp = yyval; - goto yyloop; -yyoverflow: - yyerror("Out of memory for yacc stack"); -yyabort: - retval = 1; -yyaccept: - if (yyss) free(yyss); - if (yyvs) free(yyvs); - yydebug = oldyydebug; - yynerrs = oldyynerrs; - yyerrflag = oldyyerrflag; - yychar = oldyychar; - yyval = oldyyval; - yylval = oldyylval; - return retval; + + if (yyn == YYFINAL) + YYACCEPT; + + YYDPRINTF ((Perl_debug_log, "Shifting error token, ")); + + *++yyvsp = yylval; +#ifdef DEBUGGING + *++yynsp =""; +#endif + + yystate = yyn; + YYDPRINTF ((Perl_debug_log, "Entering state %d\n", yystate)); + + goto yynewstate; + + + /*-------------------------------------. + | yyacceptlab -- YYACCEPT comes here. | + `-------------------------------------*/ + yyacceptlab: + yyresult = 0; + goto yyreturn; + + /*-----------------------------------. + | yyabortlab -- YYABORT comes here. | + `-----------------------------------*/ + yyabortlab: + yyresult = 1; + goto yyreturn; + + /*----------------------------------------------. + | yyoverflowlab -- parser overflow comes here. | + `----------------------------------------------*/ + yyoverflowlab: + yyerror ("parser stack overflow"); + yyresult = 2; + /* Fall through. */ + + yyreturn: + + LEAVE; /* force stack free before we return */ + + return yyresult; }