private Expression ParseLambdaHelperEnd(FunctionDefinition func, Expression expr, string whitespace, string colonWhiteSpace, List<string> commaWhiteSpace, bool ateTerminator) {
// Pep 342 in Python 2.5 allows Yield Expressions, which can occur inside a Lambda body.
// In this case, the lambda is a generator and will yield it's final result instead of just return it.
Statement body;
if (func.IsGenerator) {
YieldExpression y = new YieldExpression(expr);
y.SetLoc(expr.IndexSpan);
body = new ExpressionStatement(y);
} else {
body = new ReturnStatement(expr);
}
body.SetLoc(expr.StartIndex, expr.EndIndex);
FunctionDefinition func2 = PopFunction();
System.Diagnostics.Debug.Assert(func == func2);
func.SetBody(body);
func.EndIndex = GetEnd();
LambdaExpression ret = new LambdaExpression(func);
func.SetLoc(func.IndexSpan);
ret.SetLoc(func.IndexSpan);
if (_verbatim) {
AddPreceedingWhiteSpace(ret, whitespace);
AddSecondPreceedingWhiteSpace(ret, colonWhiteSpace);
AddListWhiteSpace(ret, commaWhiteSpace.ToArray());
if (!ateTerminator) {
AddErrorIsIncompleteNode(ret);
}
}
return ret;
}
public override bool Walk(LambdaExpression node) {
return UpdateLineInfo(node, true);
}
public override void PostWalk(LambdaExpression node) { PostWalkWorker(node); }
// LambdaExpr
public override bool Walk(LambdaExpression node) { return false; }
// LambdaExpression
public override bool Walk(LambdaExpression node) { return ShouldWalkWorker(node); }
