bool IsReferenced(IVariable variable, AstNode node, SyntaxTree syntaxTree, RefactoringContext context)
{
int referencesFound = 0;
var findRef = new FindReferences();
findRef.FindLocalReferences(variable, context.UnresolvedFile, syntaxTree, context.Compilation, (n, entity) => {
referencesFound++;
}, CancellationToken.None);
// One reference is the declaration, and that does not count
return referencesFound > 1;
}
bool HasDependency(RefactoringContext context, AstNode firstSearchNode, AstNode targetNode)
{
var referenceFinder = new FindReferences();
var identifiers = targetNode.Descendants
.Where(n => n is IdentifierExpression)
.Select<AstNode, IdentifierExpression>(node => (IdentifierExpression)node);
foreach (var identifier in identifiers) {
var resolveResult = context.Resolve(identifier);
var localResolveResult = resolveResult as LocalResolveResult;
if (localResolveResult == null)
continue;
bool referenceFound = false;
// var variable = localResolveResult.Variable;
var syntaxTree = context.RootNode as SyntaxTree;
referenceFinder.FindLocalReferences(localResolveResult.Variable, context.UnresolvedFile, syntaxTree,
context.Compilation, (node, nodeResolveResult) => {
if (node.StartLocation > firstSearchNode.StartLocation && node.EndLocation < targetNode.StartLocation)
referenceFound = true;
}, CancellationToken.None);
if (referenceFound)
return true;
}
return false;
}