private void OnEval(MethodInvocationExpression node)
{
BoundSpillSequenceBuilder valueBuilder = null;
var value = VisitExpression(ref valueBuilder, node.Arguments.Last);
BoundSpillSequenceBuilder builder = null;
var seCollection = new ExpressionCollection();
seCollection.AddRange(node.Arguments.Where(a => a != node.Arguments.Last));
var sideEffects = VisitExpressionList(ref builder, seCollection, forceSpill: valueBuilder != null, sideEffectsOnly: true);
if (builder == null && valueBuilder == null)
{
node.Arguments = sideEffects;
node.Arguments.Add(value);
return;
}
if (builder == null)
{
builder = new BoundSpillSequenceBuilder();
}
builder.AddExpressions(sideEffects);
builder.Include(valueBuilder);
ReplaceCurrentNode(builder.Update(value));
}
private ExpressionPairCollection VisitExpressionPairList(
ref BoundSpillSequenceBuilder builder,
ExpressionPairCollection args,
bool forceSpill = false,
bool sideEffectsOnly = false)
{
var args1 = new ExpressionCollection();
args1.AddRange(args.Select(p => p.First));
var args2 = new ExpressionCollection();
args2.AddRange(args.Select(p => p.Second));
args1 = VisitExpressionList(ref builder, args1, null, forceSpill, sideEffectsOnly);
args2 = VisitExpressionList(ref builder, args2, null, forceSpill, sideEffectsOnly);
args.Clear();
args.AddRange(args1.Zip(args2, (l, r) => new ExpressionPair(l.LexicalInfo, l, r)));
return(args);
}
public virtual IExpressionCollection TransformExpressionCollection(IExpressionCollection expressions)
{
IExpression[] array = new IExpression[expressions.Count];
for (int i = 0; i < expressions.Count; i++)
{
array[i] = this.TransformExpression(expressions[i]);
}
IExpressionCollection target = new ExpressionCollection();
target.AddRange(array);
return target;
}