// UnboundAssignment
private Expression Rewrite(UnboundAssignment node)
{
Expression expression = RewriteExpression(node.Value);
if ((object)expression != (object)node.Value)
{
return(Ast.Assign(node.Name, expression));
}
else
{
return(node);
}
}
// BoundAssignment
private Expression Rewrite(BoundAssignment node)
{
Expression value = RewriteExpression(node.Value);
if ((object)value != (object)node.Value)
{
return(Ast.Assign(node.Variable, value));
}
else
{
return(node);
}
}