public override void OnConditionalExpression(ConditionalExpression node)
{
BoundSpillSequenceBuilder conditionBuilder = null;
var condition = VisitExpression(ref conditionBuilder, node.Condition);
BoundSpillSequenceBuilder trueBuilder = null;
var trueValue = VisitExpression(ref trueBuilder, node.TrueValue);
BoundSpillSequenceBuilder falseBuilder = null;
var falseValue = VisitExpression(ref falseBuilder, node.FalseValue);
if (trueBuilder == null && falseBuilder == null)
{
node.Condition = condition;
node.TrueValue = trueValue;
node.FalseValue = falseValue;
ReplaceCurrentNode(UpdateExpression(conditionBuilder, node));
return;
}
if (conditionBuilder == null)
{
conditionBuilder = new BoundSpillSequenceBuilder();
}
if (trueBuilder == null)
{
trueBuilder = new BoundSpillSequenceBuilder();
}
if (falseBuilder == null)
{
falseBuilder = new BoundSpillSequenceBuilder();
}
if (node.ExpressionType == _tss.VoidType)
{
conditionBuilder.AddStatement(
new IfStatement(
condition.LexicalInfo,
condition,
new Block(UpdateStatement(trueBuilder, new ExpressionStatement(trueValue))),
new Block(UpdateStatement(falseBuilder, new ExpressionStatement(falseValue)))));
ReplaceCurrentNode(conditionBuilder.Update(_F.CreateDefaultInvocation(node.LexicalInfo, node.ExpressionType)));
}
else
{
var tmp = _F.DeclareTempLocal(_currentMethod, node.ExpressionType);
tmp.Local["SynthesizedKind"] = AWAIT_SPILL_MARKER;
conditionBuilder.AddLocal(tmp);
var trueBlock = new Block(new ExpressionStatement(
UpdateExpression(trueBuilder, _F.CreateAssignment(_F.CreateLocalReference(tmp), trueValue))));
var falseBlock = new Block(new ExpressionStatement(
UpdateExpression(falseBuilder, _F.CreateAssignment(_F.CreateLocalReference(tmp), falseValue))));
conditionBuilder.AddStatement(new IfStatement(condition, trueBlock, falseBlock));
ReplaceCurrentNode(conditionBuilder.Update(_F.CreateLocalReference(tmp)));
}
}
