public void EmitLoadDefaultValue(Type type)
{
if (type == typeof(void))
{
return;
}
if (!type.IsValueType)
{
Il.Ldnull();
}
else
{
using (var temp = DeclareLocal(type))
{
Il.Ldloca(temp);
Il.Initobj(type);
Il.Ldloc(temp);
}
}
}
public bool EmitNullChecking(Type type, GroboIL.Label objIsNullLabel)
{
if (!type.IsValueType)
{
Il.Dup(); // stack: [obj, obj]
Il.Brfalse(objIsNullLabel); // if(obj == null) goto returnDefaultValue; stack: [obj]
return(true);
}
if (type.IsNullable())
{
using (var temp = DeclareLocal(type.MakeByRefType()))
{
Il.Stloc(temp);
Il.Ldnull();
Il.Ldloc(temp);
EmitHasValueAccess(type);
Il.Brfalse(objIsNullLabel);
Il.Pop();
Il.Ldloc(temp);
}
return(true);
}
return(false);
}
