public override void Emit()
{
SubjectExp.Emit();
EmitHelper.StormVar(IL, ListSymbol.VarBuilder);
EmitHelper.LoadInt(IL, START_INDEX);
EmitHelper.StormVar(IL, IndexSymbol.VarBuilder);
EmitHelper.LoadVar(IL, ListSymbol.VarBuilder);
EmitHelper.CallDynamic(IL, getCountMethod);
EmitHelper.StormVar(IL, CountSymbol.VarBuilder);
var True_Label = IL.DefineLabel();
var False_Label = IL.DefineLabel();
EmitCondition();
IL.Emit(OpCodes.Brfalse, False_Label);
//定义一个标签，表示从下面开始进入循环体
IL.MarkLabel(True_Label);
BodyExp.Emit();
if (ZTypeUtil.IsBool(BodyExp.RetType))//(BodyExp.RetType.SharpType != typeof(void))
{
IL.Emit(OpCodes.Pop);
}
EmitHelper.Inc(IL, IndexSymbol.VarBuilder);
EmitCondition();
IL.Emit(OpCodes.Brtrue, True_Label);
IL.MarkLabel(False_Label);
}
public void EmitGet( )
{
MethodInfo getMethod = Property.GetGetMethod();
SubjectExp.Emit();
ArgExp.RequireType = ZTypeManager.GetBySharpType(getMethod.ReturnType) as ZType;
ArgExp.Emit();
EmitHelper.CallDynamic(IL, getMethod);
}
public void EmitSet(Exp valueExp)
{
MethodInfo setMethod = Property.GetSetMethod();
SubjectExp.Emit();
ArgExp.RequireType = ZTypeManager.GetBySharpType(setMethod.GetParameters()[0].ParameterType) as ZType;
ArgExp.Emit();
//EmitHelper.Box(il, ArgExp.RetType, setMethod.GetParameters()[0].ParameterType);
valueExp.RequireType = ZTypeManager.GetBySharpType(setMethod.GetParameters()[1].ParameterType) as ZType;
valueExp.Emit();
EmitHelper.CallDynamic(IL, setMethod);
}
private void EmitLeft()
{
if (SubjectExp.RetType.IsStruct)
{
if (IsNeedTempLocal())
{
SubjectExp.Emit();
EmitSymbolHelper.EmitStorm(IL, this.tempLocal);
EmitSymbolHelper.EmitLoada(IL, this.tempLocal);
}
else
{
if (SubjectExp is ExpLocalVar)
{
((ExpLocalVar)SubjectExp).EmitLoadLocala();
}
else if (SubjectExp is ExpArg)
{
((ExpArg)SubjectExp).EmitLoadArga();
}
else if (SubjectExp is ExpFieldDef)
{
((ExpFieldDef)SubjectExp).EmitLoadFielda();
}
else if (SubjectExp is ExpFieldSuper)
{
((ExpFieldSuper)SubjectExp).EmitLoadFielda();
}
else if (SubjectExp is ExpUseField)
{
((ExpUseField)SubjectExp).EmitLoadFielda();
}
else
{
SubjectExp.Emit();
}
}
}
else
{
SubjectExp.Emit();
}
}