Lines Matching refs:e
28 #define hasjumps(e) ((e)->t != (e)->f) argument
31 static int isnumeral(expdesc *e) { in isnumeral() argument
32 return (e->k == VKNUM && e->t == NO_JUMP && e->f == NO_JUMP); in isnumeral()
284 static void freeexp (FuncState *fs, expdesc *e) { in freeexp() argument
285 if (e->k == VNONRELOC) in freeexp()
286 freereg(fs, e->u.info); in freeexp()
358 void luaK_setreturns (FuncState *fs, expdesc *e, int nresults) { in luaK_setreturns() argument
359 if (e->k == VCALL) { /* expression is an open function call? */ in luaK_setreturns()
360 SETARG_C(getcode(fs, e), nresults+1); in luaK_setreturns()
362 else if (e->k == VVARARG) { in luaK_setreturns()
363 SETARG_B(getcode(fs, e), nresults+1); in luaK_setreturns()
364 SETARG_A(getcode(fs, e), fs->freereg); in luaK_setreturns()
370 void luaK_setoneret (FuncState *fs, expdesc *e) { in luaK_setoneret() argument
371 if (e->k == VCALL) { /* expression is an open function call? */ in luaK_setoneret()
372 e->k = VNONRELOC; in luaK_setoneret()
373 e->u.info = GETARG_A(getcode(fs, e)); in luaK_setoneret()
375 else if (e->k == VVARARG) { in luaK_setoneret()
376 SETARG_B(getcode(fs, e), 2); in luaK_setoneret()
377 e->k = VRELOCABLE; /* can relocate its simple result */ in luaK_setoneret()
382 void luaK_dischargevars (FuncState *fs, expdesc *e) { in luaK_dischargevars() argument
383 switch (e->k) { in luaK_dischargevars()
385 e->k = VNONRELOC; in luaK_dischargevars()
389 e->u.info = luaK_codeABC(fs, OP_GETUPVAL, 0, e->u.info, 0); in luaK_dischargevars()
390 e->k = VRELOCABLE; in luaK_dischargevars()
395 freereg(fs, e->u.ind.idx); in luaK_dischargevars()
396 if (e->u.ind.vt == VLOCAL) { /* 't' is in a register? */ in luaK_dischargevars()
397 freereg(fs, e->u.ind.t); in luaK_dischargevars()
400 e->u.info = luaK_codeABC(fs, op, 0, e->u.ind.t, e->u.ind.idx); in luaK_dischargevars()
401 e->k = VRELOCABLE; in luaK_dischargevars()
406 luaK_setoneret(fs, e); in luaK_dischargevars()
420 static void discharge2reg (FuncState *fs, expdesc *e, int reg) { in discharge2reg() argument
421 luaK_dischargevars(fs, e); in discharge2reg()
422 switch (e->k) { in discharge2reg()
428 luaK_codeABC(fs, OP_LOADBOOL, reg, e->k == VTRUE, 0); in discharge2reg()
432 luaK_codek(fs, reg, e->u.info); in discharge2reg()
436 luaK_codek(fs, reg, luaK_numberK(fs, e->u.nval)); in discharge2reg()
440 Instruction *pc = &getcode(fs, e); in discharge2reg()
445 if (reg != e->u.info) in discharge2reg()
446 luaK_codeABC(fs, OP_MOVE, reg, e->u.info, 0); in discharge2reg()
450 lua_assert(e->k == VVOID || e->k == VJMP); in discharge2reg()
454 e->u.info = reg; in discharge2reg()
455 e->k = VNONRELOC; in discharge2reg()
459 static void discharge2anyreg (FuncState *fs, expdesc *e) { in discharge2anyreg() argument
460 if (e->k != VNONRELOC) { in discharge2anyreg()
462 discharge2reg(fs, e, fs->freereg-1); in discharge2anyreg()
467 static void exp2reg (FuncState *fs, expdesc *e, int reg) { in exp2reg() argument
468 discharge2reg(fs, e, reg); in exp2reg()
469 if (e->k == VJMP) in exp2reg()
470 luaK_concat(fs, &e->t, e->u.info); /* put this jump in `t' list */ in exp2reg()
471 if (hasjumps(e)) { in exp2reg()
475 if (need_value(fs, e->t) || need_value(fs, e->f)) { in exp2reg()
476 int fj = (e->k == VJMP) ? NO_JUMP : luaK_jump(fs); in exp2reg()
482 patchlistaux(fs, e->f, final, reg, p_f); in exp2reg()
483 patchlistaux(fs, e->t, final, reg, p_t); in exp2reg()
485 e->f = e->t = NO_JUMP; in exp2reg()
486 e->u.info = reg; in exp2reg()
487 e->k = VNONRELOC; in exp2reg()
491 void luaK_exp2nextreg (FuncState *fs, expdesc *e) { in luaK_exp2nextreg() argument
492 luaK_dischargevars(fs, e); in luaK_exp2nextreg()
493 freeexp(fs, e); in luaK_exp2nextreg()
495 exp2reg(fs, e, fs->freereg - 1); in luaK_exp2nextreg()
499 int luaK_exp2anyreg (FuncState *fs, expdesc *e) { in luaK_exp2anyreg() argument
500 luaK_dischargevars(fs, e); in luaK_exp2anyreg()
501 if (e->k == VNONRELOC) { in luaK_exp2anyreg()
502 if (!hasjumps(e)) return e->u.info; /* exp is already in a register */ in luaK_exp2anyreg()
503 if (e->u.info >= fs->nactvar) { /* reg. is not a local? */ in luaK_exp2anyreg()
504 exp2reg(fs, e, e->u.info); /* put value on it */ in luaK_exp2anyreg()
505 return e->u.info; in luaK_exp2anyreg()
508 luaK_exp2nextreg(fs, e); /* default */ in luaK_exp2anyreg()
509 return e->u.info; in luaK_exp2anyreg()
513 void luaK_exp2anyregup (FuncState *fs, expdesc *e) { in luaK_exp2anyregup() argument
514 if (e->k != VUPVAL || hasjumps(e)) in luaK_exp2anyregup()
515 luaK_exp2anyreg(fs, e); in luaK_exp2anyregup()
519 void luaK_exp2val (FuncState *fs, expdesc *e) { in luaK_exp2val() argument
520 if (hasjumps(e)) in luaK_exp2val()
521 luaK_exp2anyreg(fs, e); in luaK_exp2val()
523 luaK_dischargevars(fs, e); in luaK_exp2val()
527 int luaK_exp2RK (FuncState *fs, expdesc *e) { in luaK_exp2RK() argument
528 luaK_exp2val(fs, e); in luaK_exp2RK()
529 switch (e->k) { in luaK_exp2RK()
534 e->u.info = (e->k == VNIL) ? nilK(fs) : boolK(fs, (e->k == VTRUE)); in luaK_exp2RK()
535 e->k = VK; in luaK_exp2RK()
536 return RKASK(e->u.info); in luaK_exp2RK()
541 e->u.info = luaK_numberK(fs, e->u.nval); in luaK_exp2RK()
542 e->k = VK; in luaK_exp2RK()
546 if (e->u.info <= MAXINDEXRK) /* constant fits in argC? */ in luaK_exp2RK()
547 return RKASK(e->u.info); in luaK_exp2RK()
553 return luaK_exp2anyreg(fs, e); in luaK_exp2RK()
565 int e = luaK_exp2anyreg(fs, ex); in luaK_storevar() local
566 luaK_codeABC(fs, OP_SETUPVAL, e, var->u.info, 0); in luaK_storevar()
571 int e = luaK_exp2RK(fs, ex); in luaK_storevar() local
572 luaK_codeABC(fs, op, var->u.ind.t, var->u.ind.idx, e); in luaK_storevar()
584 void luaK_self (FuncState *fs, expdesc *e, expdesc *key) { in luaK_self() argument
586 luaK_exp2anyreg(fs, e); in luaK_self()
587 ereg = e->u.info; /* register where 'e' was placed */ in luaK_self()
588 freeexp(fs, e); in luaK_self()
589 e->u.info = fs->freereg; /* base register for op_self */ in luaK_self()
590 e->k = VNONRELOC; in luaK_self()
592 luaK_codeABC(fs, OP_SELF, e->u.info, ereg, luaK_exp2RK(fs, key)); in luaK_self()
597 static void invertjump (FuncState *fs, expdesc *e) { in invertjump() argument
598 Instruction *pc = getjumpcontrol(fs, e->u.info); in invertjump()
605 static int jumponcond (FuncState *fs, expdesc *e, int cond) { in jumponcond() argument
606 if (e->k == VRELOCABLE) { in jumponcond()
607 Instruction ie = getcode(fs, e); in jumponcond()
614 discharge2anyreg(fs, e); in jumponcond()
615 freeexp(fs, e); in jumponcond()
616 return condjump(fs, OP_TESTSET, NO_REG, e->u.info, cond); in jumponcond()
620 void luaK_goiftrue (FuncState *fs, expdesc *e) { in luaK_goiftrue() argument
622 luaK_dischargevars(fs, e); in luaK_goiftrue()
623 switch (e->k) { in luaK_goiftrue()
625 invertjump(fs, e); in luaK_goiftrue()
626 pc = e->u.info; in luaK_goiftrue()
634 pc = jumponcond(fs, e, 0); in luaK_goiftrue()
638 luaK_concat(fs, &e->f, pc); /* insert last jump in `f' list */ in luaK_goiftrue()
639 luaK_patchtohere(fs, e->t); in luaK_goiftrue()
640 e->t = NO_JUMP; in luaK_goiftrue()
644 void luaK_goiffalse (FuncState *fs, expdesc *e) { in luaK_goiffalse() argument
646 luaK_dischargevars(fs, e); in luaK_goiffalse()
647 switch (e->k) { in luaK_goiffalse()
649 pc = e->u.info; in luaK_goiffalse()
657 pc = jumponcond(fs, e, 1); in luaK_goiffalse()
661 luaK_concat(fs, &e->t, pc); /* insert last jump in `t' list */ in luaK_goiffalse()
662 luaK_patchtohere(fs, e->f); in luaK_goiffalse()
663 e->f = NO_JUMP; in luaK_goiffalse()
667 static void codenot (FuncState *fs, expdesc *e) { in codenot() argument
668 luaK_dischargevars(fs, e); in codenot()
669 switch (e->k) { in codenot()
671 e->k = VTRUE; in codenot()
675 e->k = VFALSE; in codenot()
679 invertjump(fs, e); in codenot()
684 discharge2anyreg(fs, e); in codenot()
685 freeexp(fs, e); in codenot()
686 e->u.info = luaK_codeABC(fs, OP_NOT, 0, e->u.info, 0); in codenot()
687 e->k = VRELOCABLE; in codenot()
696 { int temp = e->f; e->f = e->t; e->t = temp; } in codenot()
697 removevalues(fs, e->f); in codenot()
698 removevalues(fs, e->t); in codenot()
766 void luaK_prefix (FuncState *fs, UnOpr op, expdesc *e, int line) { in luaK_prefix() argument
771 if (isnumeral(e)) /* minus constant? */ in luaK_prefix()
772 e->u.nval = luai_numunm(NULL, e->u.nval); /* fold it */ in luaK_prefix()
774 luaK_exp2anyreg(fs, e); in luaK_prefix()
775 codearith(fs, OP_UNM, e, &e2, line); in luaK_prefix()
779 case OPR_NOT: codenot(fs, e); break; in luaK_prefix()
781 luaK_exp2anyreg(fs, e); /* cannot operate on constants */ in luaK_prefix()
782 codearith(fs, OP_LEN, e, &e2, line); in luaK_prefix()