Mercurial > projects > ddmd
view dmd/UshrExp.d @ 114:e28b18c23469
added a module dmd.common for commonly used stuff
it currently holds code for consistency checking of predefined versions
also added a VisualD project file
author | Trass3r |
---|---|
date | Wed, 01 Sep 2010 18:21:58 +0200 |
parents | 2e2a5c3f943a |
children | 6caaf0256da1 |
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module dmd.UshrExp; import dmd.common; import dmd.Expression; import dmd.Identifier; import dmd.InterState; import dmd.Loc; import dmd.Scope; import dmd.Id; import dmd.IntRange; import dmd.IRState; import dmd.BinExp; import dmd.TOK; import dmd.Type; import dmd.backend.elem; import dmd.backend.OPER; import dmd.backend.TYFL; import dmd.backend.Util; import dmd.expression.Util; import dmd.expression.Ushr; import dmd.expression.shift_optimize; class UshrExp : BinExp { this(Loc loc, Expression e1, Expression e2) { super(loc, TOK.TOKushr, UshrExp.sizeof, e1, e2); } override Expression semantic(Scope sc) { Expression e; if (!type) { BinExp.semanticp(sc); e = op_overload(sc); if (e) return e; e1 = e1.checkIntegral(); e2 = e2.checkIntegral(); e1 = e1.integralPromotions(sc); e2 = e2.castTo(sc, Type.tshiftcnt); type = e1.type; } return this; } override Expression optimize(int result) { //printf("UshrExp.optimize(result = %d) %s\n", result, toChars()); return shift_optimize(result, this, &Ushr); } override Expression interpret(InterState istate) { assert(false); } override IntRange getIntRange() { assert(false); } override Identifier opId() { return Id.ushr; } override Identifier opId_r() { return Id.ushr_r; } override elem* toElem(IRState* irs) { elem *eleft = e1.toElem(irs); eleft.Ety = touns(eleft.Ety); elem *eright = e2.toElem(irs); elem *e = el_bin(OPshr, type.totym(), eleft, eright); el_setLoc(e, loc); return e; } }