List <System.Linq.Expressions.Expression> TransformInternal()
{
INameResolver resolver = null;
Node node = Parent;
while ((resolver = node as INameResolver) == null)
{
node = node.Parent;
}
System.Linq.Expressions.Expression exp;
if (resolver == null)
{
throw new InvalidOperationException("変数を宣言できるスコープが見つかりません。");
}
List <System.Linq.Expressions.Expression> exps = new List <System.Linq.Expressions.Expression>();
foreach (var initializer in Initializers)
{
if (initializer.Value != null)
{
exp = resolver.DeclareVariable(initializer.Key, initializer.Value.TransformRead());
}
else
{
exp = resolver.DeclareVariable(initializer.Key, System.Linq.Expressions.Expression.Constant(IronTjs.Builtins.Void.Value));
}
if (exp == null)
{
throw new InvalidOperationException(string.Format("スコープに変数 \"{0}\" を宣言できません。", initializer.Key));
}
exps.Add(exp);
}
return(exps);
}