public LambdaExpression Resolve(out ParsedLambda parsedLambda)
{
var body = ((LambdaExpression)Visit(this.parsedLambda.Lambda)).Body;
if (this.parsedLambda.ClosureParameter != null)
{
body = Expression.Block(new[] { this.parsedLambda.ClosureParameter }, closureBuilder.Init(this.parsedLambda.ClosureParameter), body);
}
var parameters = (this.parsedLambda.ConstantsParameter == null ? this.parsedLambda.Lambda.Parameters : new[] { this.parsedLambda.ConstantsParameter }.Concat(this.parsedLambda.Lambda.Parameters)).ToArray();
var delegateType = Extensions.GetDelegateType(parameters.Select(parameter => parameter.Type).ToArray(), this.parsedLambda.Lambda.ReturnType);
parsedLambda = new ParsedLambda
{
ClosureBuilder = closureBuilder,
ClosureType = this.parsedLambda.ClosureType,
ClosureParameter = this.parsedLambda.ClosureParameter,
ConstantsBuilder = constantsBuilder,
ConstantsType = this.parsedLambda.ConstantsType,
ConstantsParameter = this.parsedLambda.ConstantsParameter,
DelegatesFieldId = this.parsedLambda.DelegatesFieldId,
Constants = this.parsedLambda.Constants,
ParsedConstants = this.parsedLambda.ParsedConstants,
ParsedParameters = this.parsedLambda.ParsedParameters,
ParsedSwitches = this.parsedLambda.ParsedSwitches
};
return(Expression.Lambda(delegateType, body, this.parsedLambda.Lambda.Name, this.parsedLambda.Lambda.TailCall, parameters));
}
public void MergeAsNew_SameSourcesOfNodes_ReturnsMerged()
{
var nodesOne = new INode[] { new TestNode(1), new TestNode(2) };
var parsedLambdaOne = new ParsedLambda(nodesOne);
var parsedLambdaTwo = new ParsedLambda(nodesOne);
var mergedParsedLambda = parsedLambdaOne.MergeAsNew(parsedLambdaTwo);
CollectionAssert.AreEquivalent(nodesOne, mergedParsedLambda.Nodes);
}
public void MergeAsNew_TwoDifferentSourcesOfDifferentNodes_ReturnsMerged()
{
var nodesOne = new INode[] { new TestNode(1) };
var nodesTwo = new INode[] { new TestNode(1) };
var parsedLambdaOne = new ParsedLambda(nodesOne);
var parsedLambdaTwo = new ParsedLambda(nodesTwo);
var mergedParsedLambda = parsedLambdaOne.MergeAsNew(parsedLambdaTwo);
CollectionAssert.AreEquivalent(nodesOne.Union(nodesTwo), mergedParsedLambda.Nodes);
}
