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| a559c259 |
1 | /* $Header: perl.y,v 1.0.1.1 88/01/28 10:25:31 root Exp $ |
| 8d063cd8 |
2 | * |
| 3 | * $Log: perl.y,v $ |
| a559c259 |
4 | * Revision 1.0.1.1 88/01/28 10:25:31 root |
| 5 | * patch8: added eval operator. |
| 6 | * |
| 8d063cd8 |
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 <stabval> |
| 73 | %type <cmdval> block lineseq line loop cond sideff nexpr else |
| 74 | %type <arg> expr sexpr term |
| 75 | %type <arg> condmod loopmod cexpr |
| 76 | %type <arg> texpr print |
| 77 | %type <cval> label |
| 78 | %type <compval> compblock |
| 79 | |
| 80 | %nonassoc <ival> PRINT |
| 81 | %left ',' |
| 82 | %nonassoc <ival> UNIOP |
| 83 | %right '=' |
| 84 | %right '?' ':' |
| 85 | %nonassoc DOTDOT |
| 86 | %left OROR |
| 87 | %left ANDAND |
| 88 | %left '|' '^' |
| 89 | %left '&' |
| 90 | %nonassoc EQ NE SEQ SNE |
| 91 | %nonassoc '<' '>' LE GE SLT SGT SLE SGE |
| 92 | %left LS RS |
| 93 | %left '+' '-' '.' |
| 94 | %left '*' '/' '%' 'x' |
| 95 | %left MATCH NMATCH |
| 96 | %right '!' '~' UMINUS |
| 97 | %nonassoc INC DEC |
| 98 | %left '(' |
| 99 | |
| 100 | %% /* RULES */ |
| 101 | |
| 102 | prog : lineseq |
| a559c259 |
103 | { if (in_eval) |
| 104 | eval_root = block_head($1); |
| 105 | else |
| 106 | main_root = block_head($1); } |
| 8d063cd8 |
107 | ; |
| 108 | |
| 109 | compblock: block CONTINUE block |
| 110 | { $$.comp_true = $1; $$.comp_alt = $3; } |
| 111 | | block else |
| 112 | { $$.comp_true = $1; $$.comp_alt = $2; } |
| 113 | ; |
| 114 | |
| 115 | else : /* NULL */ |
| 116 | { $$ = Nullcmd; } |
| 117 | | ELSE block |
| 118 | { $$ = $2; } |
| 119 | | ELSIF '(' expr ')' compblock |
| 120 | { $$ = make_ccmd(C_IF,$3,$5); } |
| 121 | ; |
| 122 | |
| 123 | block : '{' lineseq '}' |
| 124 | { $$ = block_head($2); } |
| 125 | ; |
| 126 | |
| 127 | lineseq : /* NULL */ |
| 128 | { $$ = Nullcmd; } |
| 129 | | lineseq line |
| 130 | { $$ = append_line($1,$2); } |
| 131 | ; |
| 132 | |
| 133 | line : decl |
| 134 | { $$ = Nullcmd; } |
| 135 | | label cond |
| 136 | { $$ = add_label($1,$2); } |
| 137 | | loop /* loops add their own labels */ |
| 138 | | label ';' |
| 139 | { if ($1 != Nullch) { |
| 140 | $$ = add_label(make_acmd(C_EXPR, Nullstab, |
| 141 | Nullarg, Nullarg) ); |
| 142 | } else |
| 143 | $$ = Nullcmd; } |
| 144 | | label sideff ';' |
| 145 | { $$ = add_label($1,$2); } |
| 146 | ; |
| 147 | |
| 148 | sideff : expr |
| 149 | { $$ = make_acmd(C_EXPR, Nullstab, $1, Nullarg); } |
| 150 | | expr condmod |
| 151 | { $$ = addcond( |
| 152 | make_acmd(C_EXPR, Nullstab, Nullarg, $1), $2); } |
| 153 | | expr loopmod |
| 154 | { $$ = addloop( |
| 155 | make_acmd(C_EXPR, Nullstab, Nullarg, $1), $2); } |
| 156 | ; |
| 157 | |
| 158 | cond : IF '(' expr ')' compblock |
| 159 | { $$ = make_ccmd(C_IF,$3,$5); } |
| 160 | | UNLESS '(' expr ')' compblock |
| 161 | { $$ = invert(make_ccmd(C_IF,$3,$5)); } |
| 162 | | IF block compblock |
| 163 | { $$ = make_ccmd(C_IF,cmd_to_arg($2),$3); } |
| 164 | | UNLESS block compblock |
| 165 | { $$ = invert(make_ccmd(C_IF,cmd_to_arg($2),$3)); } |
| 166 | ; |
| 167 | |
| 168 | loop : label WHILE '(' texpr ')' compblock |
| 169 | { $$ = wopt(add_label($1, |
| 170 | make_ccmd(C_WHILE,$4,$6) )); } |
| 171 | | label UNTIL '(' expr ')' compblock |
| 172 | { $$ = wopt(add_label($1, |
| 173 | invert(make_ccmd(C_WHILE,$4,$6)) )); } |
| 174 | | label WHILE block compblock |
| 175 | { $$ = wopt(add_label($1, |
| 176 | make_ccmd(C_WHILE, cmd_to_arg($3),$4) )); } |
| 177 | | label UNTIL block compblock |
| 178 | { $$ = wopt(add_label($1, |
| 179 | invert(make_ccmd(C_WHILE, cmd_to_arg($3),$4)) )); } |
| 180 | | label FOR '(' nexpr ';' texpr ';' nexpr ')' block |
| 181 | /* basically fake up an initialize-while lineseq */ |
| 182 | { yyval.compval.comp_true = $10; |
| 183 | yyval.compval.comp_alt = $8; |
| 184 | $$ = append_line($4,wopt(add_label($1, |
| 185 | make_ccmd(C_WHILE,$6,yyval.compval) ))); } |
| 186 | | label compblock /* a block is a loop that happens once */ |
| 187 | { $$ = add_label($1,make_ccmd(C_BLOCK,Nullarg,$2)); } |
| 188 | ; |
| 189 | |
| 190 | nexpr : /* NULL */ |
| 191 | { $$ = Nullcmd; } |
| 192 | | sideff |
| 193 | ; |
| 194 | |
| 195 | texpr : /* NULL means true */ |
| 196 | { scanstr("1"); $$ = yylval.arg; } |
| 197 | | expr |
| 198 | ; |
| 199 | |
| 200 | label : /* empty */ |
| 201 | { $$ = Nullch; } |
| 202 | | WORD ':' |
| 203 | ; |
| 204 | |
| 205 | loopmod : WHILE expr |
| 206 | { $$ = $2; } |
| 207 | | UNTIL expr |
| 208 | { $$ = make_op(O_NOT,1,$2,Nullarg,Nullarg,0); } |
| 209 | ; |
| 210 | |
| 211 | condmod : IF expr |
| 212 | { $$ = $2; } |
| 213 | | UNLESS expr |
| 214 | { $$ = make_op(O_NOT,1,$2,Nullarg,Nullarg,0); } |
| 215 | ; |
| 216 | |
| 217 | decl : format |
| 218 | { $$ = 0; } |
| 219 | | subrout |
| 220 | { $$ = 0; } |
| 221 | ; |
| 222 | |
| 223 | format : FORMAT WORD '=' FORMLIST '.' |
| 224 | { stabent($2,TRUE)->stab_form = $4; safefree($2); } |
| 225 | | FORMAT '=' FORMLIST '.' |
| 226 | { stabent("stdout",TRUE)->stab_form = $3; } |
| 227 | ; |
| 228 | |
| 229 | subrout : SUB WORD block |
| 230 | { stabent($2,TRUE)->stab_sub = $3; } |
| 231 | ; |
| 232 | |
| 233 | expr : print |
| 234 | | cexpr |
| 235 | ; |
| 236 | |
| 237 | cexpr : sexpr ',' cexpr |
| 238 | { $$ = make_op(O_COMMA, 2, $1, $3, Nullarg,0); } |
| 239 | | sexpr |
| 240 | ; |
| 241 | |
| 242 | sexpr : sexpr '=' sexpr |
| 243 | { $1 = listish($1); |
| 244 | if ($1->arg_type == O_LIST) |
| 245 | $3 = listish($3); |
| 246 | $$ = l(make_op(O_ASSIGN, 2, $1, $3, Nullarg,1)); } |
| 247 | | sexpr '*' '=' sexpr |
| 248 | { $$ = l(make_op(O_MULTIPLY, 2, $1, $4, Nullarg,0)); } |
| 249 | | sexpr '/' '=' sexpr |
| 250 | { $$ = l(make_op(O_DIVIDE, 2, $1, $4, Nullarg,0)); } |
| 251 | | sexpr '%' '=' sexpr |
| 252 | { $$ = l(make_op(O_MODULO, 2, $1, $4, Nullarg,0)); } |
| 253 | | sexpr 'x' '=' sexpr |
| 254 | { $$ = l(make_op(O_REPEAT, 2, $1, $4, Nullarg,0)); } |
| 255 | | sexpr '+' '=' sexpr |
| 256 | { $$ = l(make_op(O_ADD, 2, $1, $4, Nullarg,0)); } |
| 257 | | sexpr '-' '=' sexpr |
| 258 | { $$ = l(make_op(O_SUBTRACT, 2, $1, $4, Nullarg,0)); } |
| 259 | | sexpr LS '=' sexpr |
| 260 | { $$ = l(make_op(O_LEFT_SHIFT, 2, $1, $4, Nullarg,0)); } |
| 261 | | sexpr RS '=' sexpr |
| 262 | { $$ = l(make_op(O_RIGHT_SHIFT, 2, $1, $4, Nullarg,0)); } |
| 263 | | sexpr '&' '=' sexpr |
| 264 | { $$ = l(make_op(O_BIT_AND, 2, $1, $4, Nullarg,0)); } |
| 265 | | sexpr '^' '=' sexpr |
| 266 | { $$ = l(make_op(O_XOR, 2, $1, $4, Nullarg,0)); } |
| 267 | | sexpr '|' '=' sexpr |
| 268 | { $$ = l(make_op(O_BIT_OR, 2, $1, $4, Nullarg,0)); } |
| 269 | | sexpr '.' '=' sexpr |
| 270 | { $$ = l(make_op(O_CONCAT, 2, $1, $4, Nullarg,0)); } |
| 271 | |
| 272 | |
| 273 | | sexpr '*' sexpr |
| 274 | { $$ = make_op(O_MULTIPLY, 2, $1, $3, Nullarg,0); } |
| 275 | | sexpr '/' sexpr |
| 276 | { $$ = make_op(O_DIVIDE, 2, $1, $3, Nullarg,0); } |
| 277 | | sexpr '%' sexpr |
| 278 | { $$ = make_op(O_MODULO, 2, $1, $3, Nullarg,0); } |
| 279 | | sexpr 'x' sexpr |
| 280 | { $$ = make_op(O_REPEAT, 2, $1, $3, Nullarg,0); } |
| 281 | | sexpr '+' sexpr |
| 282 | { $$ = make_op(O_ADD, 2, $1, $3, Nullarg,0); } |
| 283 | | sexpr '-' sexpr |
| 284 | { $$ = make_op(O_SUBTRACT, 2, $1, $3, Nullarg,0); } |
| 285 | | sexpr LS sexpr |
| 286 | { $$ = make_op(O_LEFT_SHIFT, 2, $1, $3, Nullarg,0); } |
| 287 | | sexpr RS sexpr |
| 288 | { $$ = make_op(O_RIGHT_SHIFT, 2, $1, $3, Nullarg,0); } |
| 289 | | sexpr '<' sexpr |
| 290 | { $$ = make_op(O_LT, 2, $1, $3, Nullarg,0); } |
| 291 | | sexpr '>' sexpr |
| 292 | { $$ = make_op(O_GT, 2, $1, $3, Nullarg,0); } |
| 293 | | sexpr LE sexpr |
| 294 | { $$ = make_op(O_LE, 2, $1, $3, Nullarg,0); } |
| 295 | | sexpr GE sexpr |
| 296 | { $$ = make_op(O_GE, 2, $1, $3, Nullarg,0); } |
| 297 | | sexpr EQ sexpr |
| 298 | { $$ = make_op(O_EQ, 2, $1, $3, Nullarg,0); } |
| 299 | | sexpr NE sexpr |
| 300 | { $$ = make_op(O_NE, 2, $1, $3, Nullarg,0); } |
| 301 | | sexpr SLT sexpr |
| 302 | { $$ = make_op(O_SLT, 2, $1, $3, Nullarg,0); } |
| 303 | | sexpr SGT sexpr |
| 304 | { $$ = make_op(O_SGT, 2, $1, $3, Nullarg,0); } |
| 305 | | sexpr SLE sexpr |
| 306 | { $$ = make_op(O_SLE, 2, $1, $3, Nullarg,0); } |
| 307 | | sexpr SGE sexpr |
| 308 | { $$ = make_op(O_SGE, 2, $1, $3, Nullarg,0); } |
| 309 | | sexpr SEQ sexpr |
| 310 | { $$ = make_op(O_SEQ, 2, $1, $3, Nullarg,0); } |
| 311 | | sexpr SNE sexpr |
| 312 | { $$ = make_op(O_SNE, 2, $1, $3, Nullarg,0); } |
| 313 | | sexpr '&' sexpr |
| 314 | { $$ = make_op(O_BIT_AND, 2, $1, $3, Nullarg,0); } |
| 315 | | sexpr '^' sexpr |
| 316 | { $$ = make_op(O_XOR, 2, $1, $3, Nullarg,0); } |
| 317 | | sexpr '|' sexpr |
| 318 | { $$ = make_op(O_BIT_OR, 2, $1, $3, Nullarg,0); } |
| 319 | | sexpr DOTDOT sexpr |
| 320 | { $$ = make_op(O_FLIP, 4, |
| 321 | flipflip($1), |
| 322 | flipflip($3), |
| 323 | Nullarg,0);} |
| 324 | | sexpr ANDAND sexpr |
| 325 | { $$ = make_op(O_AND, 2, $1, $3, Nullarg,0); } |
| 326 | | sexpr OROR sexpr |
| 327 | { $$ = make_op(O_OR, 2, $1, $3, Nullarg,0); } |
| 328 | | sexpr '?' sexpr ':' sexpr |
| 329 | { $$ = make_op(O_COND_EXPR, 3, $1, $3, $5,0); } |
| 330 | | sexpr '.' sexpr |
| 331 | { $$ = make_op(O_CONCAT, 2, $1, $3, Nullarg,0); } |
| 332 | | sexpr MATCH sexpr |
| 333 | { $$ = mod_match(O_MATCH, $1, $3); } |
| 334 | | sexpr NMATCH sexpr |
| 335 | { $$ = mod_match(O_NMATCH, $1, $3); } |
| 336 | | term INC |
| 337 | { $$ = addflags(1, AF_POST|AF_UP, |
| 338 | l(make_op(O_ITEM,1,$1,Nullarg,Nullarg,0))); } |
| 339 | | term DEC |
| 340 | { $$ = addflags(1, AF_POST, |
| 341 | l(make_op(O_ITEM,1,$1,Nullarg,Nullarg,0))); } |
| 342 | | INC term |
| 343 | { $$ = addflags(1, AF_PRE|AF_UP, |
| 344 | l(make_op(O_ITEM,1,$2,Nullarg,Nullarg,0))); } |
| 345 | | DEC term |
| 346 | { $$ = addflags(1, AF_PRE, |
| 347 | l(make_op(O_ITEM,1,$2,Nullarg,Nullarg,0))); } |
| 348 | | term |
| 349 | { $$ = $1; } |
| 350 | ; |
| 351 | |
| 352 | term : '-' term %prec UMINUS |
| 353 | { $$ = make_op(O_NEGATE, 1, $2, Nullarg, Nullarg,0); } |
| 354 | | '!' term |
| 355 | { $$ = make_op(O_NOT, 1, $2, Nullarg, Nullarg,0); } |
| 356 | | '~' term |
| 357 | { $$ = make_op(O_COMPLEMENT, 1, $2, Nullarg, Nullarg,0);} |
| 358 | | '(' expr ')' |
| 359 | { $$ = make_list(hide_ary($2)); } |
| 360 | | '(' ')' |
| 361 | { $$ = make_list(Nullarg); } |
| 362 | | DO block %prec '(' |
| 363 | { $$ = cmd_to_arg($2); } |
| 364 | | REG %prec '(' |
| 365 | { $$ = stab_to_arg(A_STAB,$1); } |
| 366 | | REG '[' expr ']' %prec '(' |
| 367 | { $$ = make_op(O_ARRAY, 2, |
| 368 | $3, stab_to_arg(A_STAB,aadd($1)), Nullarg,0); } |
| 369 | | ARY %prec '(' |
| 370 | { $$ = make_op(O_ARRAY, 1, |
| 371 | stab_to_arg(A_STAB,$1), |
| 372 | Nullarg, Nullarg, 1); } |
| 373 | | REG '{' expr '}' %prec '(' |
| 374 | { $$ = make_op(O_HASH, 2, |
| 375 | $3, stab_to_arg(A_STAB,hadd($1)), Nullarg,0); } |
| 376 | | ARYLEN %prec '(' |
| 377 | { $$ = stab_to_arg(A_ARYLEN,$1); } |
| 378 | | RSTRING %prec '(' |
| 379 | { $$ = $1; } |
| 380 | | PATTERN %prec '(' |
| 381 | { $$ = $1; } |
| 382 | | SUBST %prec '(' |
| 383 | { $$ = $1; } |
| 384 | | TRANS %prec '(' |
| 385 | { $$ = $1; } |
| 386 | | DO WORD '(' expr ')' |
| 387 | { $$ = make_op(O_SUBR, 2, |
| 388 | make_list($4), |
| 389 | stab_to_arg(A_STAB,stabent($2,TRUE)), |
| 390 | Nullarg,1); } |
| 391 | | DO WORD '(' ')' |
| 392 | { $$ = make_op(O_SUBR, 2, |
| 393 | make_list(Nullarg), |
| 394 | stab_to_arg(A_STAB,stabent($2,TRUE)), |
| 395 | Nullarg,1); } |
| 396 | | LOOPEX |
| 397 | { $$ = make_op($1,0,Nullarg,Nullarg,Nullarg,0); } |
| 398 | | LOOPEX WORD |
| 399 | { $$ = make_op($1,1,cval_to_arg($2), |
| 400 | Nullarg,Nullarg,0); } |
| 401 | | UNIOP |
| 402 | { $$ = make_op($1,1,Nullarg,Nullarg,Nullarg,0); } |
| 403 | | UNIOP sexpr |
| 404 | { $$ = make_op($1,1,$2,Nullarg,Nullarg,0); } |
| 405 | | WRITE |
| 406 | { $$ = make_op(O_WRITE, 0, |
| 407 | Nullarg, Nullarg, Nullarg,0); } |
| 408 | | WRITE '(' ')' |
| 409 | { $$ = make_op(O_WRITE, 0, |
| 410 | Nullarg, Nullarg, Nullarg,0); } |
| 411 | | WRITE '(' WORD ')' |
| 412 | { $$ = l(make_op(O_WRITE, 1, |
| 413 | stab_to_arg(A_STAB,stabent($3,TRUE)), |
| 414 | Nullarg, Nullarg,0)); safefree($3); } |
| 415 | | WRITE '(' expr ')' |
| 416 | { $$ = make_op(O_WRITE, 1, $3, Nullarg, Nullarg,0); } |
| 417 | | SELECT '(' WORD ')' |
| 418 | { $$ = l(make_op(O_SELECT, 1, |
| 419 | stab_to_arg(A_STAB,stabent($3,TRUE)), |
| 420 | Nullarg, Nullarg,0)); safefree($3); } |
| 421 | | SELECT '(' expr ')' |
| 422 | { $$ = make_op(O_SELECT, 1, $3, Nullarg, Nullarg,0); } |
| 423 | | OPEN WORD %prec '(' |
| 424 | { $$ = make_op(O_OPEN, 2, |
| 425 | stab_to_arg(A_STAB,stabent($2,TRUE)), |
| 426 | stab_to_arg(A_STAB,stabent($2,TRUE)), |
| 427 | Nullarg,0); } |
| 428 | | OPEN '(' WORD ')' |
| 429 | { $$ = make_op(O_OPEN, 2, |
| 430 | stab_to_arg(A_STAB,stabent($3,TRUE)), |
| 431 | stab_to_arg(A_STAB,stabent($3,TRUE)), |
| 432 | Nullarg,0); } |
| 433 | | OPEN '(' WORD ',' expr ')' |
| 434 | { $$ = make_op(O_OPEN, 2, |
| 435 | stab_to_arg(A_STAB,stabent($3,TRUE)), |
| 436 | $5, Nullarg,0); } |
| 437 | | CLOSE '(' WORD ')' |
| 438 | { $$ = make_op(O_CLOSE, 1, |
| 439 | stab_to_arg(A_STAB,stabent($3,TRUE)), |
| 440 | Nullarg, Nullarg,0); } |
| 441 | | CLOSE WORD %prec '(' |
| 442 | { $$ = make_op(O_CLOSE, 1, |
| 443 | stab_to_arg(A_STAB,stabent($2,TRUE)), |
| 444 | Nullarg, Nullarg,0); } |
| 445 | | FEOF '(' WORD ')' |
| 446 | { $$ = make_op(O_EOF, 1, |
| 447 | stab_to_arg(A_STAB,stabent($3,TRUE)), |
| 448 | Nullarg, Nullarg,0); } |
| 449 | | FEOF '(' ')' |
| 450 | { $$ = make_op(O_EOF, 0, |
| 451 | stab_to_arg(A_STAB,stabent("ARGV",TRUE)), |
| 452 | Nullarg, Nullarg,0); } |
| 453 | | FEOF |
| 454 | { $$ = make_op(O_EOF, 0, |
| 455 | Nullarg, Nullarg, Nullarg,0); } |
| 456 | | TELL '(' WORD ')' |
| 457 | { $$ = make_op(O_TELL, 1, |
| 458 | stab_to_arg(A_STAB,stabent($3,TRUE)), |
| 459 | Nullarg, Nullarg,0); } |
| 460 | | TELL |
| 461 | { $$ = make_op(O_TELL, 0, |
| 462 | Nullarg, Nullarg, Nullarg,0); } |
| 463 | | SEEK '(' WORD ',' sexpr ',' expr ')' |
| 464 | { $$ = make_op(O_SEEK, 3, |
| 465 | stab_to_arg(A_STAB,stabent($3,TRUE)), |
| 466 | $5, $7,1); } |
| 467 | | PUSH '(' WORD ',' expr ')' |
| 468 | { $$ = make_op($1, 2, |
| 469 | make_list($5), |
| 470 | stab_to_arg(A_STAB,aadd(stabent($3,TRUE))), |
| 471 | Nullarg,1); } |
| 472 | | PUSH '(' ARY ',' expr ')' |
| 473 | { $$ = make_op($1, 2, |
| 474 | make_list($5), |
| 475 | stab_to_arg(A_STAB,$3), |
| 476 | Nullarg,1); } |
| 477 | | POP WORD %prec '(' |
| 478 | { $$ = make_op(O_POP, 1, |
| 479 | stab_to_arg(A_STAB,aadd(stabent($2,TRUE))), |
| 480 | Nullarg, Nullarg,0); } |
| 481 | | POP '(' WORD ')' |
| 482 | { $$ = make_op(O_POP, 1, |
| 483 | stab_to_arg(A_STAB,aadd(stabent($3,TRUE))), |
| 484 | Nullarg, Nullarg,0); } |
| 485 | | POP ARY %prec '(' |
| 486 | { $$ = make_op(O_POP, 1, |
| 487 | stab_to_arg(A_STAB,$2), |
| 488 | Nullarg, |
| 489 | Nullarg, |
| 490 | 0); } |
| 491 | | POP '(' ARY ')' |
| 492 | { $$ = make_op(O_POP, 1, |
| 493 | stab_to_arg(A_STAB,$3), |
| 494 | Nullarg, |
| 495 | Nullarg, |
| 496 | 0); } |
| 497 | | SHIFT WORD %prec '(' |
| 498 | { $$ = make_op(O_SHIFT, 1, |
| 499 | stab_to_arg(A_STAB,aadd(stabent($2,TRUE))), |
| 500 | Nullarg, Nullarg,0); } |
| 501 | | SHIFT '(' WORD ')' |
| 502 | { $$ = make_op(O_SHIFT, 1, |
| 503 | stab_to_arg(A_STAB,aadd(stabent($3,TRUE))), |
| 504 | Nullarg, Nullarg,0); } |
| 505 | | SHIFT ARY %prec '(' |
| 506 | { $$ = make_op(O_SHIFT, 1, |
| 507 | stab_to_arg(A_STAB,$2), Nullarg, Nullarg,0); } |
| 508 | | SHIFT '(' ARY ')' |
| 509 | { $$ = make_op(O_SHIFT, 1, |
| 510 | stab_to_arg(A_STAB,$3), Nullarg, Nullarg,0); } |
| 511 | | SHIFT %prec '(' |
| 512 | { $$ = make_op(O_SHIFT, 1, |
| 513 | stab_to_arg(A_STAB,aadd(stabent("ARGV",TRUE))), |
| 514 | Nullarg, Nullarg,0); } |
| 515 | | SPLIT %prec '(' |
| 516 | { scanpat("/[ \t\n]+/"); |
| 517 | $$ = make_split(defstab,yylval.arg); } |
| 518 | | SPLIT '(' WORD ')' |
| 519 | { scanpat("/[ \t\n]+/"); |
| 520 | $$ = make_split(stabent($3,TRUE),yylval.arg); } |
| 521 | | SPLIT '(' WORD ',' PATTERN ')' |
| 522 | { $$ = make_split(stabent($3,TRUE),$5); } |
| 523 | | SPLIT '(' WORD ',' PATTERN ',' sexpr ')' |
| 524 | { $$ = mod_match(O_MATCH, |
| 525 | $7, |
| 526 | make_split(stabent($3,TRUE),$5) ); } |
| 527 | | SPLIT '(' sexpr ',' sexpr ')' |
| 528 | { $$ = mod_match(O_MATCH, $5, make_split(defstab,$3) ); } |
| 529 | | SPLIT '(' sexpr ')' |
| 530 | { $$ = mod_match(O_MATCH, |
| 531 | stab_to_arg(A_STAB,defstab), |
| 532 | make_split(defstab,$3) ); } |
| 533 | | JOIN '(' WORD ',' expr ')' |
| 534 | { $$ = make_op(O_JOIN, 2, |
| 535 | $5, |
| 536 | stab_to_arg(A_STAB,aadd(stabent($3,TRUE))), |
| 537 | Nullarg,0); } |
| 538 | | JOIN '(' sexpr ',' expr ')' |
| 539 | { $$ = make_op(O_JOIN, 2, |
| 540 | $3, |
| 541 | make_list($5), |
| 542 | Nullarg,2); } |
| 543 | | SPRINTF '(' expr ')' |
| 544 | { $$ = make_op(O_SPRINTF, 1, |
| 545 | make_list($3), |
| 546 | Nullarg, |
| 547 | Nullarg,1); } |
| 548 | | STAT '(' WORD ')' |
| 549 | { $$ = l(make_op(O_STAT, 1, |
| 550 | stab_to_arg(A_STAB,stabent($3,TRUE)), |
| 551 | Nullarg, Nullarg,0)); } |
| 552 | | STAT '(' expr ')' |
| 553 | { $$ = make_op(O_STAT, 1, $3, Nullarg, Nullarg,0); } |
| 554 | | CHOP |
| 555 | { $$ = l(make_op(O_CHOP, 1, |
| 556 | stab_to_arg(A_STAB,defstab), |
| 557 | Nullarg, Nullarg,0)); } |
| 558 | | CHOP '(' expr ')' |
| 559 | { $$ = l(make_op(O_CHOP, 1, $3, Nullarg, Nullarg,0)); } |
| 560 | | FUNC0 |
| 561 | { $$ = make_op($1, 0, Nullarg, Nullarg, Nullarg,0); } |
| 562 | | FUNC1 '(' expr ')' |
| 563 | { $$ = make_op($1, 1, $3, Nullarg, Nullarg,0); } |
| 564 | | FUNC2 '(' sexpr ',' expr ')' |
| 565 | { $$ = make_op($1, 2, $3, $5, Nullarg, 0); } |
| 566 | | FUNC3 '(' sexpr ',' sexpr ',' expr ')' |
| 567 | { $$ = make_op($1, 3, $3, $5, $7, 0); } |
| 568 | | STABFUN '(' WORD ')' |
| 569 | { $$ = make_op($1, 1, |
| 570 | stab_to_arg(A_STAB,hadd(stabent($3,TRUE))), |
| 571 | Nullarg, |
| 572 | Nullarg, 0); } |
| 573 | ; |
| 574 | |
| 575 | print : PRINT |
| 576 | { $$ = make_op($1,2, |
| 577 | stab_to_arg(A_STAB,defstab), |
| 578 | stab_to_arg(A_STAB,Nullstab), |
| 579 | Nullarg,0); } |
| 580 | | PRINT expr |
| 581 | { $$ = make_op($1,2,make_list($2), |
| 582 | stab_to_arg(A_STAB,Nullstab), |
| 583 | Nullarg,1); } |
| 584 | | PRINT WORD |
| 585 | { $$ = make_op($1,2, |
| 586 | stab_to_arg(A_STAB,defstab), |
| 587 | stab_to_arg(A_STAB,stabent($2,TRUE)), |
| 588 | Nullarg,1); } |
| 589 | | PRINT WORD expr |
| 590 | { $$ = make_op($1,2,make_list($3), |
| 591 | stab_to_arg(A_STAB,stabent($2,TRUE)), |
| 592 | Nullarg,1); } |
| 593 | ; |
| 594 | |
| 595 | %% /* PROGRAM */ |
| 596 | #include "perly.c" |
projects / p5sagit/p5-mst-13.2.git / blame