Mercurial > projects > ddmd
view dmd/ShrExp.d @ 182:b64060ab22df
Now compileable with dmd2.050
author | korDen |
---|---|
date | Sat, 30 Oct 2010 05:05:32 +0400 |
parents | e3afd1303184 |
children | b0d41ff5e0df |
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module dmd.ShrExp; import dmd.common; import dmd.Expression; import dmd.Identifier; import dmd.InterState; import dmd.Loc; import dmd.Scope; import dmd.IntRange; import dmd.IRState; import dmd.BinExp; import dmd.TOK; import dmd.Type; import dmd.Id; import dmd.backend.elem; import dmd.backend.OPER; import dmd.expression.shift_optimize; import dmd.expression.Shr; class ShrExp : BinExp { this(Loc loc, Expression e1, Expression e2) { register(); super(loc, TOK.TOKshr, ShrExp.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("ShrExp::optimize(result = %d) %s\n", result, toChars()); return shift_optimize(result, this, &Shr); } override Expression interpret(InterState istate) { return interpretCommon(istate, &Shr); } override IntRange getIntRange() { assert(false); } override Identifier opId() { return Id.shr; } override Identifier opId_r() { return Id.shr_r; } override elem* toElem(IRState* irs) { return toElemBin(irs, e1.type.isunsigned() ? OPER.OPshr : OPER.OPashr); } }