public static UnifiedExpression CreateFor(XElement node)
{
Contract.Requires(node != null);
Contract.Requires(node.Name() == "for");
Contract.Assert(
node.NthElement(1).Name() == "lasgn" ||
node.NthElement(1).Name() == "masgn");
return(UnifiedForeach.Create(
CreateExpresion(node.NthElement(0)),
CreateExpresion(node.NthElement(1).FirstElement()),
CreateBlock(node.NthElement(2))));
}
public override bool Visit(UnifiedForeach element, VisitorArgument arg)
{
Writer.Write(ForeachKeyword);
Writer.Write("(");
element.Element.TryAccept(this, arg);
Writer.Write(ForeachDelimiter);
element.Set.TryAccept(this, arg.Set(CommaDelimiter));
Writer.Write(")");
element.Body.TryAccept(this, arg.Set(ForBlock));
return(false);
}
public UnifiedElement VisitForeachStatement(
ForeachStatement stmt, object data)
{
var type = LookupType(stmt.VariableType);
var name = stmt.VariableName.ToVariableIdentifier();
var set = stmt.InExpression.TryAcceptForExpression(this);
var body =
stmt.EmbeddedStatement.TryAcceptForExpression(this).ToBlock();
var varDec = UnifiedVariableDefinition.Create(
type: type, name: name);
return(UnifiedForeach.Create(
varDec.ToVariableDefinitionList(), set, body));
}
public override bool Visit(UnifiedForeach element, VisitorArgument arg)
{
Writer.Write("for ");
element.Element.TryAccept(this, arg);
Writer.Write(" in ");
element.Set.TryAccept(this, arg);
Writer.WriteLine(":");
element.Body.TryAccept(this, arg.IncrementDepth());
if (!element.ElseBody.IsEmptyOrNull())
{
Writer.WriteLine("else:");
element.ElseBody.TryAccept(this, arg.IncrementDepth());
}
return(false);
}
public override bool Visit(UnifiedForeach element, VisitorArgument arg)
{
Writer.Write(ForeachKeyword);
Writer.Write("(");
element.Element.TryAccept(this, arg);
Writer.Write(ForeachDelimiter);
element.Set.TryAccept(this, arg.Set(CommaDelimiter));
Writer.Write(")");
element.Body.TryAccept(this, arg.Set(ForBlock));
return false;
}
public static Namespace GetNamespace(UnifiedForeach foreachNode)
{
var type = NamespaceType.TemporaryScope;
var parents =
DetectorHelper.GetParentTypes(type).Select(
t => DetectorHelper.Namespace2UnifiedType(t));
var parentNode = DetectorHelper.GetFirstFoundNode(
foreachNode, parents);
return new Namespace {
Value = "(foreach)",
NamespaceType = type,
Parent = Dispatcher(parentNode)
};
}
public override bool Visit(UnifiedForeach element, VisitorArgument arg)
{
Writer.Write("for ");
element.Element.TryAccept(this, arg);
Writer.Write(" in ");
element.Set.TryAccept(this, arg);
Writer.WriteLine(":");
element.Body.TryAccept(this, arg.IncrementDepth());
if (!element.ElseBody.IsEmptyOrNull()) {
Writer.WriteLine("else:");
element.ElseBody.TryAccept(this, arg.IncrementDepth());
}
return false;
}
