Mercurial > projects > ddmd
diff dmd/ShlExp.d @ 0:10317f0c89a5
Initial commit
author | korDen |
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date | Sat, 24 Oct 2009 08:42:06 +0400 |
parents | |
children | cab4c37afb89 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dmd/ShlExp.d Sat Oct 24 08:42:06 2009 +0400 @@ -0,0 +1,82 @@ +module dmd.ShlExp; + +import dmd.Expression; +import dmd.Identifier; +import dmd.backend.elem; +import dmd.InterState; +import dmd.Loc; +import dmd.Scope; +import dmd.IntRange; +import dmd.IRState; +import dmd.BinExp; +import dmd.TOK; +import dmd.Id; +import dmd.Type; + +import dmd.expression.shift_optimize; +import dmd.expression.Shl; + +import dmd.backend.OPER; + +class ShlExp : BinExp +{ + this(Loc loc, Expression e1, Expression e2) + { + super(loc, TOK.TOKshl, ShlExp.sizeof, e1, e2); + } + + Expression semantic(Scope sc) + { + Expression e; + + //printf("ShlExp.semantic(), type = %p\n", type); + 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; + } + + Expression optimize(int result) + { + //printf("ShlExp::optimize(result = %d) %s\n", result, toChars()); + return shift_optimize(result, this, &Shl); + } + + Expression interpret(InterState* istate) + { + assert(false); + } + + IntRange getIntRange() + { + assert(false); + } + + Identifier opId() + { + return Id.shl; + } + + Identifier opId_r() + { + return Id.shl_r; + } + + elem* toElem(IRState* irs) + { + return toElemBin(irs, OPER.OPshl); + } +} +