Mercurial > projects > ddmd
view dmd/ModExp.d @ 63:cab4c37afb89
A bunch of implementations
author | korDen |
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date | Mon, 23 Aug 2010 16:52:24 +0400 |
parents | 832f71e6f96c |
children | 2e2a5c3f943a |
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module dmd.ModExp; import dmd.Expression; import dmd.Identifier; import dmd.backend.elem; import dmd.InterState; import dmd.OutBuffer; import dmd.Loc; import dmd.Scope; import dmd.IRState; import dmd.ArrayTypes; import dmd.BinExp; import dmd.TOK; import dmd.Id; import dmd.ErrorExp; import dmd.expression.Util; import dmd.expression.Mod; import dmd.backend.RTLSYM; import dmd.backend.OPER; import dmd.backend.Util; class ModExp : BinExp { this(Loc loc, Expression e1, Expression e2) { super(loc, TOK.TOKmod, ModExp.sizeof, e1, e2); } Expression semantic(Scope sc) { Expression e; if (type) return this; BinExp.semanticp(sc); e = op_overload(sc); if (e) return e; typeCombine(sc); if (e1.op != TOKslice && e2.op != TOKslice) { e1.checkArithmetic(); e2.checkArithmetic(); } if (type.isfloating()) { type = e1.type; if (e2.type.iscomplex()) { error("cannot perform modulo complex arithmetic"); return new ErrorExp(); } } return this; } Expression optimize(int result) { Expression e; e1 = e1.optimize(result); e2 = e2.optimize(result); if (e1.isConst() == 1 && e2.isConst() == 1) { e = Mod(type, e1, e2); } else e = this; return e; } Expression interpret(InterState istate) { assert(false); } void buildArrayIdent(OutBuffer buf, Expressions arguments) { Exp_buildArrayIdent(buf, arguments, "Mod"); } Expression buildArrayLoop(Arguments fparams) { /* Evaluate assign expressions left to right */ Expression ex1 = e1.buildArrayLoop(fparams); Expression ex2 = e2.buildArrayLoop(fparams); Expression e = new ModExp(Loc(0), ex1, ex2); return e; } Identifier opId() { return Id.mod; } Identifier opId_r() { return Id.mod_r; } elem* toElem(IRState* irs) { elem* e; elem* e1; elem* e2; tym_t tym; tym = type.totym(); e1 = this.e1.toElem(irs); e2 = this.e2.toElem(irs); static if (false) { // Now inlined if (this.e1.type.isfloating()) { elem* ep; switch (this.e1.type.ty) { case Tfloat32: case Timaginary32: e1 = el_una(OPf_d, TYdouble, e1); e2 = el_una(OPf_d, TYdouble, e2); case Tfloat64: case Timaginary64: e1 = el_una(OPd_ld, TYldouble, e1); e2 = el_una(OPd_ld, TYldouble, e2); break; case Tfloat80: case Timaginary80: break; default: assert(0); break; } ep = el_param(e2,e1); e = el_bin(OPcall,tym,el_var(rtlsym[RTLSYM_MODULO]),ep); } else { e = el_bin(OPmod,tym,e1,e2); el_setLoc(e,loc); } } else { e = el_bin(OPmod,tym,e1,e2); el_setLoc(e,loc); } return e; } }