Mercurial > projects > ddmd
view dmd/ArrayLengthExp.d @ 63:cab4c37afb89
A bunch of implementations
author | korDen |
---|---|
date | Mon, 23 Aug 2010 16:52:24 +0400 |
parents | 10317f0c89a5 |
children | 2e2a5c3f943a |
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module dmd.ArrayLengthExp; import dmd.Expression; import dmd.backend.elem; import dmd.UnaExp; import dmd.InterState; import dmd.OutBuffer; import dmd.Loc; import dmd.Scope; import dmd.IRState; import dmd.HdrGenState; import dmd.TOK; import dmd.Type; import dmd.WANT; import dmd.expression.ArrayLength; import dmd.backend.Util; import dmd.backend.OPER; class ArrayLengthExp : UnaExp { this(Loc loc, Expression e1) { super(loc, TOK.TOKarraylength, ArrayLengthExp.sizeof, e1); } Expression semantic(Scope sc) { Expression e; version (LOGSEMANTIC) { printf("ArrayLengthExp::semantic('%s')\n", toChars()); } if (!type) { UnaExp.semantic(sc); e1 = resolveProperties(sc, e1); type = Type.tsize_t; } return this; } Expression optimize(int result) { //printf("ArrayLengthExp::optimize(result = %d) %s\n", result, toChars()); e1 = e1.optimize(WANTvalue | (result & WANTinterpret)); Expression e = this; if (e1.op == TOKstring || e1.op == TOKarrayliteral || e1.op == TOKassocarrayliteral) { e = ArrayLength(type, e1); } return e; } Expression interpret(InterState istate) { assert(false); } void toCBuffer(OutBuffer buf, HdrGenState* hgs) { assert(false); } elem* toElem(IRState* irs) { elem *e = e1.toElem(irs); e = el_una(OP64_32, type.totym(), e); el_setLoc(e,loc); return e; } }