1: /* $Header: perl.y,v 1.0.1.1 88/01/28 10:25:31 root Exp $ 2: * 3: * $Log: perl.y,v $ 4: * Revision 1.0.1.1 88/01/28 10:25:31 root 5: * patch8: added eval operator. 6: * 7: * Revision 1.0 87/12/18 15:48:59 root 8: * Initial revision 9: * 10: */ 11: 12: %{ 13: #include "handy.h" 14: #include "EXTERN.h" 15: #include "search.h" 16: #include "util.h" 17: #include "INTERN.h" 18: #include "perl.h" 19: char *tokename[] = { 20: "256", 21: "word", 22: "append","open","write","select","close","loopctl", 23: "using","format","do","shift","push","pop","chop", 24: "while","until","if","unless","else","elsif","continue","split","sprintf", 25: "for", "eof", "tell", "seek", "stat", 26: "function(no args)","function(1 arg)","function(2 args)","function(3 args)","array function", 27: "join", "sub", 28: "format lines", 29: "register","array_length", "array", 30: "s","pattern", 31: "string","y", 32: "print", "unary operation", 33: "..", 34: "||", 35: "&&", 36: "==","!=", "EQ", "NE", 37: "<=",">=", "LT", "GT", "LE", "GE", 38: "<<",">>", 39: "=~","!~", 40: "unary -", 41: "++", "--", 42: "???" 43: }; 44: 45: %} 46: 47: %start prog 48: 49: %union { 50: int ival; 51: char *cval; 52: ARG *arg; 53: CMD *cmdval; 54: struct compcmd compval; 55: STAB *stabval; 56: FCMD *formval; 57: } 58: 59: %token <cval> WORD 60: %token <ival> APPEND OPEN WRITE SELECT CLOSE LOOPEX 61: %token <ival> USING FORMAT DO SHIFT PUSH POP CHOP 62: %token <ival> WHILE UNTIL IF UNLESS ELSE ELSIF CONTINUE SPLIT SPRINTF 63: %token <ival> FOR FEOF TELL SEEK STAT 64: %token <ival> FUNC0 FUNC1 FUNC2 FUNC3 STABFUN 65: %token <ival> JOIN SUB 66: %token <formval> FORMLIST 67: %token <stabval> REG ARYLEN ARY 68: %token <arg> SUBST PATTERN 69: %token <arg> RSTRING TRANS 70: 71: %type <ival> prog decl format 72: %type <cmdval> block lineseq line loop cond sideff nexpr else 73: %type <arg> expr sexpr term 74: %type <arg> condmod loopmod cexpr 75: %type <arg> texpr print 76: %type <cval> label 77: %type <compval> compblock 78: 79: %nonassoc <ival> PRINT 80: %left ',' 81: %nonassoc <ival> UNIOP 82: %right '=' 83: %right '?' ':' 84: %nonassoc DOTDOT 85: %left OROR 86: %left ANDAND 87: %left '|' '^' 88: %left '&' 89: %nonassoc EQ NE SEQ SNE 90: %nonassoc '<' '>' LE GE SLT SGT SLE SGE 91: %left LS RS 92: %left '+' '-' '.' 93: %left '*' '/' '%' 'x' 94: %left MATCH NMATCH 95: %right '!' '~' UMINUS 96: %nonassoc INC DEC 97: %left '(' 98: 99: %% /* RULES */ 100: 101: prog : lineseq 102: { if (in_eval) 103: eval_root = block_head($1); 104: else 105: main_root = block_head($1); } 106: ; 107: 108: compblock: block CONTINUE block 109: { $$.comp_true = $1; $$.comp_alt = $3; } 110: | block else 111: { $$.comp_true = $1; $$.comp_alt = $2; } 112: ; 113: 114: else : /* NULL */ 115: { $$ = Nullcmd; } 116: | ELSE block 117: { $$ = $2; } 118: | ELSIF '(' expr ')' compblock 119: { $$ = make_ccmd(C_IF,$3,$5); } 120: ; 121: 122: block : '{' lineseq '}' 123: { $$ = block_head($2); } 124: ; 125: 126: lineseq : /* NULL */ 127: { $$ = Nullcmd; } 128: | lineseq line 129: { $$ = append_line($1,$2); } 130: ; 131: 132: line : decl 133: { $$ = Nullcmd; } 134: | label cond 135: { $$ = add_label($1,$2); } 136: | loop /* loops add their own labels */ 137: | label ';' 138: { if ($1 != Nullch) { 139: $$ = add_label(make_acmd(C_EXPR, Nullstab, 140: Nullarg, Nullarg) ); 141: } else 142: $$ = Nullcmd; } 143: | label sideff ';' 144: { $$ = add_label($1,$2); } 145: ; 146: 147: sideff : expr 148: { $$ = make_acmd(C_EXPR, Nullstab, $1, Nullarg); } 149: | expr condmod 150: { $$ = addcond( 151: make_acmd(C_EXPR, Nullstab, Nullarg, $1), $2); } 152: | expr loopmod 153: { $$ = addloop( 154: make_acmd(C_EXPR, Nullstab, Nullarg, $1), $2); } 155: ; 156: 157: cond : IF '(' expr ')' compblock 158: { $$ = make_ccmd(C_IF,$3,$5); } 159: | UNLESS '(' expr ')' compblock 160: { $$ = invert(make_ccmd(C_IF,$3,$5)); } 161: | IF block compblock 162: { $$ = make_ccmd(C_IF,cmd_to_arg($2),$3); } 163: | UNLESS block compblock 164: { $$ = invert(make_ccmd(C_IF,cmd_to_arg($2),$3)); } 165: ; 166: 167: loop : label WHILE '(' texpr ')' compblock 168: { $$ = wopt(add_label($1, 169: make_ccmd(C_WHILE,$4,$6) )); } 170: | label UNTIL '(' expr ')' compblock 171: { $$ = wopt(add_label($1, 172: invert(make_ccmd(C_WHILE,$4,$6)) )); } 173: | label WHILE block compblock 174: { $$ = wopt(add_label($1, 175: make_ccmd(C_WHILE, cmd_to_arg($3),$4) )); } 176: | label UNTIL block compblock 177: { $$ = wopt(add_label($1, 178: invert(make_ccmd(C_WHILE, cmd_to_arg($3),$4)) )); } 179: | label FOR '(' nexpr ';' texpr ';' nexpr ')' block 180: /* basically fake up an initialize-while lineseq */ 181: { yyval.compval.comp_true = $10; 182: yyval.compval.comp_alt = $8; 183: $$ = append_line($4,wopt(add_label($1, 184: make_ccmd(C_WHILE,$6,yyval.compval) ))); } 185: | label compblock /* a block is a loop that happens once */ 186: { $$ = add_label($1,make_ccmd(C_BLOCK,Nullarg,$2)); } 187: ; 188: 189: nexpr : /* NULL */ 190: { $$ = Nullcmd; } 191: | sideff 192: ; 193: 194: texpr : /* NULL means true */ 195: { scanstr("1"); $$ = yylval.arg; } 196: | expr 197: ; 198: 199: label : /* empty */ 200: { $$ = Nullch; } 201: | WORD ':' 202: ; 203: 204: loopmod : WHILE expr 205: { $$ = $2; } 206: | UNTIL expr 207: { $$ = make_op(O_NOT,1,$2,Nullarg,Nullarg,0); } 208: ; 209: 210: condmod : IF expr 211: { $$ = $2; } 212: | UNLESS expr 213: { $$ = make_op(O_NOT,1,$2,Nullarg,Nullarg,0); } 214: ; 215: 216: decl : format 217: { $$ = 0; } 218: | subrout 219: { $$ = 0; } 220: ; 221: 222: format : FORMAT WORD '=' FORMLIST '.' 223: { stabent($2,TRUE)->stab_form = $4; safefree($2); } 224: | FORMAT '=' FORMLIST '.' 225: { stabent("stdout",TRUE)->stab_form = $3; } 226: ; 227: 228: subrout : SUB WORD block 229: { stabent($2,TRUE)->stab_sub = $3; } 230: ; 231: 232: expr : print 233: | cexpr 234: ; 235: 236: cexpr : sexpr ',' cexpr 237: { $$ = make_op(O_COMMA, 2, $1, $3, Nullarg,0); } 238: | sexpr 239: ; 240: 241: sexpr : sexpr '=' sexpr 242: { $1 = listish($1); 243: if ($1->arg_type == O_LIST) 244: $3 = listish($3); 245: $$ = l(make_op(O_ASSIGN, 2, $1, $3, Nullarg,1)); } 246: | sexpr '*' '=' sexpr 247: { $$ = l(make_op(O_MULTIPLY, 2, $1, $4, Nullarg,0)); } 248: | sexpr '/' '=' sexpr 249: { $$ = l(make_op(O_DIVIDE, 2, $1, $4, Nullarg,0)); } 250: | sexpr '%' '=' sexpr 251: { $$ = l(make_op(O_MODULO, 2, $1, $4, Nullarg,0)); } 252: | sexpr 'x' '=' sexpr 253: { $$ = l(make_op(O_REPEAT, 2, $1, $4, Nullarg,0)); } 254: | sexpr '+' '=' sexpr 255: { $$ = l(make_op(O_ADD, 2, $1, $4, Nullarg,0)); } 256: | sexpr '-' '=' sexpr 257: { $$ = l(make_op(O_SUBTRACT, 2, $1, $4, Nullarg,0)); } 258: | sexpr LS '=' sexpr 259: { $$ = l(make_op(O_LEFT_SHIFT, 2, $1, $4, Nullarg,0)); } 260: | sexpr RS '=' sexpr 261: { $$ = l(make_op(O_RIGHT_SHIFT, 2, $1, $4, Nullarg,0)); } 262: | sexpr '&' '=' sexpr 263: { $$ = l(make_op(O_BIT_AND, 2, $1, $4, Nullarg,0)); } 264: | sexpr '^' '=' sexpr 265: { $$ = l(make_op(O_XOR, 2, $1, $4, Nullarg,0)); } 266: | sexpr '|' '=' sexpr 267: { $$ = l(make_op(O_BIT_OR, 2, $1, $4, Nullarg,0)); } 268: | sexpr '.' '=' sexpr 269: { $$ = l(make_op(O_CONCAT, 2, $1, $4, Nullarg,0)); } 270: 271: 272: | sexpr '*' sexpr 273: { $$ = make_op(O_MULTIPLY, 2, $1, $3, Nullarg,0); } 274: | sexpr '/' sexpr 275: { $$ = make_op(O_DIVIDE, 2, $1, $3, Nullarg,0); } 276: | sexpr '%' sexpr 277: { $$ = make_op(O_MODULO, 2, $1, $3, Nullarg,0); } 278: | sexpr 'x' sexpr 279: { $$ = make_op(O_REPEAT, 2, $1, $3, Nullarg,0); } 280: | sexpr '+' sexpr 281: { $$ = make_op(O_ADD, 2, $1, $3, Nullarg,0); } 282: | sexpr '-' sexpr 283: { $$ = make_op(O_SUBTRACT, 2, $1, $3, Nullarg,0); } 284: | sexpr LS sexpr 285: { $$ = make_op(O_LEFT_SHIFT, 2, $1, $3, Nullarg,0); } 286: | sexpr RS sexpr 287: { $$ = make_op(O_RIGHT_SHIFT, 2, $1, $3, Nullarg,0); } 288: | sexpr '<' sexpr 289: { $$ = make_op(O_LT, 2, $1, $3, Nullarg,0); } 290: | sexpr '>' sexpr 291: { $$ = make_op(O_GT, 2, $1, $3, Nullarg,0); } 292: | sexpr LE sexpr 293: { $$ = make_op(O_LE, 2, $1, $3, Nullarg,0); } 294: | sexpr GE sexpr 295: { $$ = make_op(O_GE, 2, $1, $3, Nullarg,0); } 296: | sexpr EQ sexpr 297: { $$ = make_op(O_EQ, 2, $1, $3, Nullarg,0); } 298: | sexpr NE sexpr 299: { $$ = make_op(O_NE, 2, $1, $3, Nullarg,0); } 300: | sexpr SLT sexpr 301: { $$ = make_op(O_SLT, 2, $1, $3, Nullarg,0); } 302: | sexpr SGT sexpr 303: { $$ = make_op(O_SGT, 2, $1, $3, Nullarg,0); } 304: | sexpr SLE sexpr 305: { $$ = make_op(O_SLE, 2, $1, $3, Nullarg,0); } 306: | sexpr SGE sexpr 307: { $$ = make_op(O_SGE, 2, $1, $3, Nullarg,0); } 308: | sexpr SEQ sexpr 309: { $$ = make_op(O_SEQ, 2, $1, $3, Nullarg,0); } 310: | sexpr SNE sexpr 311: { $$ = make_op(O_SNE, 2, $1, $3, Nullarg,0); } 312: | sexpr '&' sexpr 313: { $$ = make_op(O_BIT_AND, 2, $1, $3, Nullarg,0); } 314: | sexpr '^' sexpr 315: { $$ = make_op(O_XOR, 2, $1, $3, Nullarg,0); } 316: | sexpr '|' sexpr 317: { $$ = make_op(O_BIT_OR, 2, $1, $3, Nullarg,0); } 318: | sexpr DOTDOT sexpr 319: { $$ = make_op(O_FLIP, 4, 320: flipflip($1), 321: flipflip($3), 322: Nullarg,0);} 323: | sexpr ANDAND sexpr 324: { $$ = make_op(O_AND, 2, $1, $3, Nullarg,0); } 325: | sexpr OROR sexpr 326: { $$ = make_op(O_OR, 2, $1, $3, Nullarg,0); } 327: | sexpr '?' sexpr ':' sexpr 328: { $$ = make_op(O_COND_EXPR, 3, $1, $3, $5,0); } 329: | sexpr '.' sexpr 330: { $$ = make_op(O_CONCAT, 2, $1, $3, Nullarg,0); } 331: | sexpr MATCH sexpr 332: { $$ = mod_match(O_MATCH, $1, $3); } 333: | sexpr NMATCH sexpr 334: { $$ = mod_match(O_NMATCH, $1, $3); } 335: | term INC 336: { $$ = addflags(1, AF_POST|AF_UP, 337: l(make_op(O_ITEM,1,$1,Nullarg,Nullarg,0))); } 338: | term DEC 339: { $$ = addflags(1, AF_POST, 340: l(make_op(O_ITEM,1,$1,Nullarg,Nullarg,0))); } 341: | INC term 342: { $$ = addflags(1, AF_PRE|AF_UP, 343: l(make_op(O_ITEM,1,$2,Nullarg,Nullarg,0))); } 344: | DEC term 345: { $$ = addflags(1, AF_PRE, 346: l(make_op(O_ITEM,1,$2,Nullarg,Nullarg,0))); } 347: | term 348: { $$ = $1; } 349: ; 350: 351: term : '-' term %prec UMINUS 352: { $$ = make_op(O_NEGATE, 1, $2, Nullarg, Nullarg,0); } 353: | '!' term 354: { $$ = make_op(O_NOT, 1, $2, Nullarg, Nullarg,0); } 355: | '~' term 356: { $$ = make_op(O_COMPLEMENT, 1, $2, Nullarg, Nullarg,0);} 357: | '(' expr ')' 358: { $$ = make_list(hide_ary($2)); } 359: | '(' ')' 360: { $$ = make_list(Nullarg); } 361: | DO block %prec '(' 362: { $$ = cmd_to_arg($2); } 363: | REG %prec '(' 364: { $$ = stab_to_arg(A_STAB,$1); } 365: | REG '[' expr ']' %prec '(' 366: { $$ = make_op(O_ARRAY, 2, 367: $3, stab_to_arg(A_STAB,aadd($1)), Nullarg,0); } 368: | ARY %prec '(' 369: { $$ = make_op(O_ARRAY, 1, 370: stab_to_arg(A_STAB,$1), 371: Nullarg, Nullarg, 1); } 372: | REG '{' expr '}' %prec '(' 373: { $$ = make_op(O_HASH, 2, 374: $3, stab_to_arg(A_STAB,hadd($1)), Nullarg,0); } 375: | ARYLEN %prec '(' 376: { $$ = stab_to_arg(A_ARYLEN,$1); } 377: | RSTRING %prec '(' 378: { $$ = $1; } 379: | PATTERN %prec '(' 380: { $$ = $1; } 381: | SUBST %prec '(' 382: { $$ = $1; } 383: | TRANS %prec '(' 384: { $$ = $1; } 385: | DO WORD '(' expr ')' 386: { $$ = make_op(O_SUBR, 2, 387: make_list($4), 388: stab_to_arg(A_STAB,stabent($2,TRUE)), 389: Nullarg,1); } 390: | DO WORD '(' ')' 391: { $$ = make_op(O_SUBR, 2, 392: make_list(Nullarg), 393: stab_to_arg(A_STAB,stabent($2,TRUE)), 394: Nullarg,1); } 395: | LOOPEX 396: { $$ = make_op($1,0,Nullarg,Nullarg,Nullarg,0); } 397: | LOOPEX WORD 398: { $$ = make_op($1,1,cval_to_arg($2), 399: Nullarg,Nullarg,0); } 400: | UNIOP 401: { $$ = make_op($1,1,Nullarg,Nullarg,Nullarg,0); } 402: | UNIOP sexpr 403: { $$ = make_op($1,1,$2,Nullarg,Nullarg,0); } 404: | WRITE 405: { $$ = make_op(O_WRITE, 0, 406: Nullarg, Nullarg, Nullarg,0); } 407: | WRITE '(' ')' 408: { $$ = make_op(O_WRITE, 0, 409: Nullarg, Nullarg, Nullarg,0); } 410: | WRITE '(' WORD ')' 411: { $$ = l(make_op(O_WRITE, 1, 412: stab_to_arg(A_STAB,stabent($3,TRUE)), 413: Nullarg, Nullarg,0)); safefree($3); } 414: | WRITE '(' expr ')' 415: { $$ = make_op(O_WRITE, 1, $3, Nullarg, Nullarg,0); } 416: | SELECT '(' WORD ')' 417: { $$ = l(make_op(O_SELECT, 1, 418: stab_to_arg(A_STAB,stabent($3,TRUE)), 419: Nullarg, Nullarg,0)); safefree($3); } 420: | SELECT '(' expr ')' 421: { $$ = make_op(O_SELECT, 1, $3, Nullarg, Nullarg,0); } 422: | OPEN WORD %prec '(' 423: { $$ = make_op(O_OPEN, 2, 424: stab_to_arg(A_STAB,stabent($2,TRUE)), 425: stab_to_arg(A_STAB,stabent($2,TRUE)), 426: Nullarg,0); } 427: | OPEN '(' WORD ')' 428: { $$ = make_op(O_OPEN, 2, 429: stab_to_arg(A_STAB,stabent($3,TRUE)), 430: stab_to_arg(A_STAB,stabent($3,TRUE)), 431: Nullarg,0); } 432: | OPEN '(' WORD ',' expr ')' 433: { $$ = make_op(O_OPEN, 2, 434: stab_to_arg(A_STAB,stabent($3,TRUE)), 435: $5, Nullarg,0); } 436: | CLOSE '(' WORD ')' 437: { $$ = make_op(O_CLOSE, 1, 438: stab_to_arg(A_STAB,stabent($3,TRUE)), 439: Nullarg, Nullarg,0); } 440: | CLOSE WORD %prec '(' 441: { $$ = make_op(O_CLOSE, 1, 442: stab_to_arg(A_STAB,stabent($2,TRUE)), 443: Nullarg, Nullarg,0); } 444: | FEOF '(' WORD ')' 445: { $$ = make_op(O_EOF, 1, 446: stab_to_arg(A_STAB,stabent($3,TRUE)), 447: Nullarg, Nullarg,0); } 448: | FEOF '(' ')' 449: { $$ = make_op(O_EOF, 0, 450: stab_to_arg(A_STAB,stabent("ARGV",TRUE)), 451: Nullarg, Nullarg,0); } 452: | FEOF 453: { $$ = make_op(O_EOF, 0, 454: Nullarg, Nullarg, Nullarg,0); } 455: | TELL '(' WORD ')' 456: { $$ = make_op(O_TELL, 1, 457: stab_to_arg(A_STAB,stabent($3,TRUE)), 458: Nullarg, Nullarg,0); } 459: | TELL 460: { $$ = make_op(O_TELL, 0, 461: Nullarg, Nullarg, Nullarg,0); } 462: | SEEK '(' WORD ',' sexpr ',' expr ')' 463: { $$ = make_op(O_SEEK, 3, 464: stab_to_arg(A_STAB,stabent($3,TRUE)), 465: $5, $7,1); } 466: | PUSH '(' WORD ',' expr ')' 467: { $$ = make_op($1, 2, 468: make_list($5), 469: stab_to_arg(A_STAB,aadd(stabent($3,TRUE))), 470: Nullarg,1); } 471: | PUSH '(' ARY ',' expr ')' 472: { $$ = make_op($1, 2, 473: make_list($5), 474: stab_to_arg(A_STAB,$3), 475: Nullarg,1); } 476: | POP WORD %prec '(' 477: { $$ = make_op(O_POP, 1, 478: stab_to_arg(A_STAB,aadd(stabent($2,TRUE))), 479: Nullarg, Nullarg,0); } 480: | POP '(' WORD ')' 481: { $$ = make_op(O_POP, 1, 482: stab_to_arg(A_STAB,aadd(stabent($3,TRUE))), 483: Nullarg, Nullarg,0); } 484: | POP ARY %prec '(' 485: { $$ = make_op(O_POP, 1, 486: stab_to_arg(A_STAB,$2), 487: Nullarg, 488: Nullarg, 489: 0); } 490: | POP '(' ARY ')' 491: { $$ = make_op(O_POP, 1, 492: stab_to_arg(A_STAB,$3), 493: Nullarg, 494: Nullarg, 495: 0); } 496: | SHIFT WORD %prec '(' 497: { $$ = make_op(O_SHIFT, 1, 498: stab_to_arg(A_STAB,aadd(stabent($2,TRUE))), 499: Nullarg, Nullarg,0); } 500: | SHIFT '(' WORD ')' 501: { $$ = make_op(O_SHIFT, 1, 502: stab_to_arg(A_STAB,aadd(stabent($3,TRUE))), 503: Nullarg, Nullarg,0); } 504: | SHIFT ARY %prec '(' 505: { $$ = make_op(O_SHIFT, 1, 506: stab_to_arg(A_STAB,$2), Nullarg, Nullarg,0); } 507: | SHIFT '(' ARY ')' 508: { $$ = make_op(O_SHIFT, 1, 509: stab_to_arg(A_STAB,$3), Nullarg, Nullarg,0); } 510: | SHIFT %prec '(' 511: { $$ = make_op(O_SHIFT, 1, 512: stab_to_arg(A_STAB,aadd(stabent("ARGV",TRUE))), 513: Nullarg, Nullarg,0); } 514: | SPLIT %prec '(' 515: { scanpat("/[ \t\n]+/"); 516: $$ = make_split(defstab,yylval.arg); } 517: | SPLIT '(' WORD ')' 518: { scanpat("/[ \t\n]+/"); 519: $$ = make_split(stabent($3,TRUE),yylval.arg); } 520: | SPLIT '(' WORD ',' PATTERN ')' 521: { $$ = make_split(stabent($3,TRUE),$5); } 522: | SPLIT '(' WORD ',' PATTERN ',' sexpr ')' 523: { $$ = mod_match(O_MATCH, 524: $7, 525: make_split(stabent($3,TRUE),$5) ); } 526: | SPLIT '(' sexpr ',' sexpr ')' 527: { $$ = mod_match(O_MATCH, $5, make_split(defstab,$3) ); } 528: | SPLIT '(' sexpr ')' 529: { $$ = mod_match(O_MATCH, 530: stab_to_arg(A_STAB,defstab), 531: make_split(defstab,$3) ); } 532: | JOIN '(' WORD ',' expr ')' 533: { $$ = make_op(O_JOIN, 2, 534: $5, 535: stab_to_arg(A_STAB,aadd(stabent($3,TRUE))), 536: Nullarg,0); } 537: | JOIN '(' sexpr ',' expr ')' 538: { $$ = make_op(O_JOIN, 2, 539: $3, 540: make_list($5), 541: Nullarg,2); } 542: | SPRINTF '(' expr ')' 543: { $$ = make_op(O_SPRINTF, 1, 544: make_list($3), 545: Nullarg, 546: Nullarg,1); } 547: | STAT '(' WORD ')' 548: { $$ = l(make_op(O_STAT, 1, 549: stab_to_arg(A_STAB,stabent($3,TRUE)), 550: Nullarg, Nullarg,0)); } 551: | STAT '(' expr ')' 552: { $$ = make_op(O_STAT, 1, $3, Nullarg, Nullarg,0); } 553: | CHOP 554: { $$ = l(make_op(O_CHOP, 1, 555: stab_to_arg(A_STAB,defstab), 556: Nullarg, Nullarg,0)); } 557: | CHOP '(' expr ')' 558: { $$ = l(make_op(O_CHOP, 1, $3, Nullarg, Nullarg,0)); } 559: | FUNC0 560: { $$ = make_op($1, 0, Nullarg, Nullarg, Nullarg,0); } 561: | FUNC1 '(' expr ')' 562: { $$ = make_op($1, 1, $3, Nullarg, Nullarg,0); } 563: | FUNC2 '(' sexpr ',' expr ')' 564: { $$ = make_op($1, 2, $3, $5, Nullarg, 0); } 565: | FUNC3 '(' sexpr ',' sexpr ',' expr ')' 566: { $$ = make_op($1, 3, $3, $5, $7, 0); } 567: | STABFUN '(' WORD ')' 568: { $$ = make_op($1, 1, 569: stab_to_arg(A_STAB,hadd(stabent($3,TRUE))), 570: Nullarg, 571: Nullarg, 0); } 572: ; 573: 574: print : PRINT 575: { $$ = make_op($1,2, 576: stab_to_arg(A_STAB,defstab), 577: stab_to_arg(A_STAB,Nullstab), 578: Nullarg,0); } 579: | PRINT expr 580: { $$ = make_op($1,2,make_list($2), 581: stab_to_arg(A_STAB,Nullstab), 582: Nullarg,1); } 583: | PRINT WORD 584: { $$ = make_op($1,2, 585: stab_to_arg(A_STAB,defstab), 586: stab_to_arg(A_STAB,stabent($2,TRUE)), 587: Nullarg,1); } 588: | PRINT WORD expr 589: { $$ = make_op($1,2,make_list($3), 590: stab_to_arg(A_STAB,stabent($2,TRUE)), 591: Nullarg,1); } 592: ; 593: 594: %% /* PROGRAM */ 595: #include "perly.c"
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