public ExpressionTreeProxy (HoistedVariable hv)
{
this.hv = hv;
}
public ExpressionTreeVariableReference (HoistedVariable hv)
{
this.hv = hv;
}
public ExpressionStatement CreateExpressionTreeVariable (BlockContext ec)
{
//
// A parameter is not hoisted when used directly as ET
//
HoistedVariableReference = null;
if ((modFlags & Modifier.ISBYREF) != 0)
ec.Report.Error (1951, Location, "An expression tree parameter cannot use `ref' or `out' modifier");
LocalInfo variable = ec.CurrentBlock.AddTemporaryVariable (
ResolveParameterExpressionType (ec, Location), Location);
variable.Resolve (ec);
expr_tree_variable = new LocalVariableReference (
ec.CurrentBlock, variable.Name, Location, variable, false);
Arguments arguments = new Arguments (2);
arguments.Add (new Argument (new TypeOf (
new TypeExpression (parameter_type, Location), Location)));
arguments.Add (new Argument (new StringConstant (Name, Location)));
return new SimpleAssign (ExpressionTreeVariableReference (),
Expression.CreateExpressionFactoryCall (ec, "Parameter", null, arguments, Location));
}