private static void CheckDependencies(ModelConfigurationNode root, MutatorConfiguration mutator)
{
if (root == null || root.Root == root || mutator == null || mutator.Dependencies == null)
{
return;
}
foreach (var dependency in mutator.Dependencies)
{
if (!root.Root.Traverse(dependency.Body, root, out _, false))
{
throw new FoundExternalDependencyException("Unable to build validator for the subtree '" + root.Parent + "' due to the external dependency '" + dependency + "'");
}
}
}
public static void AddMutator(this ModelConfigurationNode node, MutatorConfiguration mutator)
{
if (mutator.IsUncoditionalSetter())
{
for (var i = 0; i < node.Mutators.Count; ++i)
{
if (node.mutators[i].Value.IsUncoditionalSetter() && ExpressionEquivalenceChecker.Equivalent(node.Path, node.mutators[i].Key, false, false))
{
node.mutators[i] = new KeyValuePair <Expression, MutatorConfiguration>(node.Path, mutator);
return;
}
}
}
node.mutators.Add(new KeyValuePair <Expression, MutatorConfiguration>(node.Path, mutator));
}
public static bool IsUncoditionalSetter(this MutatorConfiguration mutator)
{
return(mutator is EqualsToConfiguration && !(mutator is EqualsToIfConfiguration));
}
private static KeyValuePair <Expression, MutatorConfiguration> PurgeFilters(Expression path, MutatorConfiguration mutator)
{
var filters = new List <LambdaExpression>();
var cleanedPath = path.CleanFilters(filters);
if (filters.Any(filter => filter != null))
{
var shards = path.SmashToSmithereens();
var cleanedShards = cleanedPath.SmashToSmithereens();
var aliases = new List <KeyValuePair <Expression, Expression> >();
var i = 0;
var j = 0;
LambdaExpression condition = null;
foreach (var filter in filters)
{
while (!(shards[i].NodeType == ExpressionType.Call && (((MethodCallExpression)shards[i]).Method.IsCurrentMethod() || ((MethodCallExpression)shards[i]).Method.IsEachMethod())))
{
++i;
}
while (!(cleanedShards[j].NodeType == ExpressionType.Call && (((MethodCallExpression)cleanedShards[j]).Method.IsCurrentMethod() || ((MethodCallExpression)cleanedShards[j]).Method.IsEachMethod())))
{
++j;
}
if (filter == null)
{
continue;
}
aliases.Add(new KeyValuePair <Expression, Expression>(cleanedShards[j], shards[i]));
condition = condition == null ? filter : condition.AndAlso(filter, false);
++i;
++j;
}
mutator = mutator.ResolveAliases(new LambdaAliasesResolver(aliases)).If(condition);
}
return(new KeyValuePair <Expression, MutatorConfiguration>(cleanedPath, mutator));
}
private static void Qxx(ModelConfigurationNode destTree, List <KeyValuePair <Expression, Expression> > conditionalSetters, MutatorConfiguration mutatedMutator, CompositionPerformer performer, Expression resolvedKey)
{
var unconditionalSetter = conditionalSetters.SingleOrDefault(pair => pair.Value == null);
Expression invertedCondition = null;
foreach (var setter in conditionalSetters)
{
var mutatedPath = setter.Key;
var condition = setter.Value;
if (condition == null)
{
continue;
}
Expression currentInvertedCondition = Expression.Not(condition);
invertedCondition = invertedCondition == null ? currentInvertedCondition : Expression.AndAlso(invertedCondition, currentInvertedCondition);
var primaryDependencies = Expression.Lambda(mutatedPath, mutatedPath.ExtractParameters()).ExtractPrimaryDependencies().Select(lambda => lambda.Body);
var commonPath = primaryDependencies.FindLCP();
var destNode = commonPath == null ? destTree : destTree.Traverse(commonPath, true);
destNode.mutators.Add(PurgeFilters(mutatedPath, mutatedMutator.If(Expression.Lambda(condition, condition.ExtractParameters()))));
}
{
var mutatedPath = unconditionalSetter.Key ?? performer.Perform(resolvedKey);
var primaryDependencies = Expression.Lambda(mutatedPath, mutatedPath.ExtractParameters()).ExtractPrimaryDependencies().Select(lambda => lambda.Body);
var commonPath = primaryDependencies.FindLCP();
var destNode = commonPath == null ? destTree : destTree.Traverse(commonPath, true);
destNode.mutators.Add(PurgeFilters(mutatedPath, invertedCondition == null ? mutatedMutator : mutatedMutator.If(Expression.Lambda(invertedCondition, invertedCondition.ExtractParameters()))));
}
}
public static void AddMutatorSmart(this ModelConfigurationNode node, LambdaExpression path, MutatorConfiguration mutator)
{
path = (LambdaExpression)path.Simplify();
LambdaExpression filter;
var simplifiedPath = PathSimplifier.SimplifyPath(path, out filter);
mutator = mutator.ResolveAliases(ExpressionAliaser.CreateAliasesResolver(simplifiedPath.Body, path.Body));
node.Traverse(simplifiedPath.Body, true).AddMutator(path.Body, filter == null ? mutator : mutator.If(filter));
}