public void SetValues(TextSpan span, bool stopOnFirstAwaitExpression = false)
{
_shouldStop = false;
Span = span;
StopOnFirstAwaitExpression = stopOnFirstAwaitExpression;
AwaitExpressions.Clear();
}
public override void VisitBinaryOperatorExpression(BinaryOperatorExpression binaryOperatorExpression)
{
if (Emitter != null && binaryOperatorExpression.GetParent <SyntaxTree>() != null)
{
if (Emitter.Resolver.ResolveNode(binaryOperatorExpression) is OperatorResolveResult rr && rr.Type.IsKnownType(KnownTypeCode.Boolean))
{
var count = AwaitExpressions.Count;
var idx = InsertPosition;
base.VisitBinaryOperatorExpression(binaryOperatorExpression);
if (AwaitExpressions.Count > count && (
binaryOperatorExpression.Operator == BinaryOperatorType.BitwiseAnd ||
binaryOperatorExpression.Operator == BinaryOperatorType.BitwiseOr ||
binaryOperatorExpression.Operator == BinaryOperatorType.ConditionalOr ||
binaryOperatorExpression.Operator == BinaryOperatorType.ConditionalAnd))
{
AwaitExpressions.Insert(idx > -1 ? idx : 0, binaryOperatorExpression);
}
return;
}
}
base.VisitBinaryOperatorExpression(binaryOperatorExpression);
}
private void Add(AstNode node)
{
if (InsertPosition >= 0)
{
AwaitExpressions.Insert(InsertPosition++, node);
}
else
{
AwaitExpressions.Add(node);
}
}
public override void VisitConditionalExpression(ConditionalExpression conditionalExpression)
{
var count = AwaitExpressions.Count;
var idx = InsertPosition;
base.VisitConditionalExpression(conditionalExpression);
if (AwaitExpressions.Count > count)
{
AwaitExpressions.Insert(idx > -1 ? idx : 0, conditionalExpression);
}
}
public override void VisitAwaitExpression(AwaitExpressionSyntax node)
{
ShouldStop = true;
if (StopOnFirstAwaitExpression)
{
Debug.Assert(AwaitExpressions.Count == 0);
AwaitExpressions.Add(node);
}
else
{
AwaitExpressions.Clear();
}
}
public override void VisitReturnStatement(ReturnStatementSyntax node)
{
Debug.Assert(!StopOnFirstAwaitExpression);
if (node.Expression is AwaitExpressionSyntax awaitExpression)
{
Visit(awaitExpression.Expression);
if (!ShouldStop)
{
AwaitExpressions.Add(awaitExpression);
}
}
else
{
ShouldStop = true;
AwaitExpressions.Clear();
}
}
public void Reset()
{
ShouldStop = false;
StopOnFirstAwaitExpression = false;
AwaitExpressions.Clear();
}
public void Reset()
{
_shouldVisit = true;
StopOnFirstAwaitExpression = false;
AwaitExpressions.Clear();
}
