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public FindLocalReferences ( IVariable variable, CSharpUnresolvedFile unresolvedFile, SyntaxTree syntaxTree, ICompilation compilation, FoundReferenceCallback callback, |
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| variable | IVariable | The variable for which to look. |
| unresolvedFile | CSharpUnresolvedFile | The type system representation of the file being searched. |
| syntaxTree | SyntaxTree | The syntax tree of the file being searched. |
| compilation | ICompilation | The compilation. |
| callback | FoundReferenceCallback | Callback used to report the references that were found. |
| cancellationToken | Cancellation token that may be used to cancel the operation. | |
| return | void | |
public FindUsagesResponse FindUsages(FindUsagesRequest request)
{
var res = _parser.ParsedContent(request.Buffer, request.FileName);
var loc = new TextLocation(request.Line, request.Column);
var result = new ConcurrentBag<AstNode>();
var findReferences = new FindReferences();
ResolveResult resolveResult = ResolveAtLocation.Resolve(res.Compilation, res.UnresolvedFile, res.SyntaxTree, loc);
if (resolveResult is LocalResolveResult)
{
var variable = (resolveResult as LocalResolveResult).Variable;
findReferences.FindLocalReferences(variable, res.UnresolvedFile, res.SyntaxTree, res.Compilation, (node, rr) => result.Add(node), CancellationToken.None);
}
else
{
IEntity entity = null;
if (resolveResult is TypeResolveResult)
{
entity = (resolveResult as TypeResolveResult).Type.GetDefinition();
}
if (resolveResult is MemberResolveResult)
{
entity = (resolveResult as MemberResolveResult).Member;
}
if (entity == null)
{
return new FindUsagesResponse {Usages = new List<Usage>()};
}
var searchScopes = findReferences.GetSearchScopes(entity);
var interesting = new List<CSharpUnresolvedFile>();
foreach (var scope in searchScopes)
{
var scopeInteresting = findReferences.GetInterestingFiles(scope, res.Compilation);
interesting.AddRange(scopeInteresting);
}
Parallel.ForEach(interesting, file =>
{
ParsedResult parsedResult = _parser.ParsedContent(
_solution.GetFile(file.FileName).Content.Text, file.FileName);
findReferences.FindReferencesInFile(searchScopes, file, parsedResult.SyntaxTree,
parsedResult.Compilation,
(node, rr) => result.Add(node), CancellationToken.None);
});
}
var usages = result.Select(node => new Usage
{
FileName = node.GetRegion().FileName,
Text = node.Preview(_solution.GetFile(node.GetRegion().FileName)).Replace("'", "''"),
Line = node.StartLocation.Line,
Column = node.StartLocation.Column,
});
return new FindUsagesResponse { Usages = usages };
}
public IEnumerable <MemberReference> FindInDocument(MonoDevelop.Ide.Gui.Document doc)
{
if (string.IsNullOrEmpty(memberName))
{
return(Enumerable.Empty <MemberReference> ());
}
var editor = doc.Editor;
var parsedDocument = doc.ParsedDocument;
if (parsedDocument == null)
{
return(Enumerable.Empty <MemberReference> ());
}
var unit = parsedDocument.GetAst <SyntaxTree> ();
var file = parsedDocument.ParsedFile as CSharpUnresolvedFile;
var result = new List <MemberReference> ();
foreach (var obj in searchedMembers)
{
if (obj is IEntity)
{
var entity = (IEntity)obj;
// May happen for anonymous types since empty constructors are always generated.
// But there is no declaring type definition for them - we filter out this case.
if (entity.EntityType == EntityType.Constructor && entity.DeclaringTypeDefinition == null)
{
continue;
}
refFinder.FindReferencesInFile(refFinder.GetSearchScopes(entity), file, unit, doc.Compilation, (astNode, r) => {
if (IsNodeValid(obj, astNode))
{
result.Add(GetReference(r, astNode, editor.FileName, editor));
}
}, CancellationToken.None);
}
else if (obj is IVariable)
{
refFinder.FindLocalReferences((IVariable)obj, file, unit, doc.Compilation, (astNode, r) => {
if (IsNodeValid(obj, astNode))
{
result.Add(GetReference(r, astNode, editor.FileName, editor));
}
}, CancellationToken.None);
}
else if (obj is ITypeParameter)
{
refFinder.FindTypeParameterReferences((ITypeParameter)obj, file, unit, doc.Compilation, (astNode, r) => {
if (IsNodeValid(obj, astNode))
{
result.Add(GetReference(r, astNode, editor.FileName, editor));
}
}, CancellationToken.None);
}
}
return(result);
}
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;
}
public IEnumerable <MemberReference> FindInDocument(MonoDevelop.Ide.Gui.Document doc)
{
if (string.IsNullOrEmpty(memberName))
{
return(Enumerable.Empty <MemberReference> ());
}
var editor = doc.Editor;
var parsedDocument = doc.ParsedDocument;
if (parsedDocument == null)
{
return(Enumerable.Empty <MemberReference> ());
}
var unit = parsedDocument.GetAst <CompilationUnit> ();
var file = parsedDocument.ParsedFile as CSharpParsedFile;
var result = new List <MemberReference> ();
foreach (var obj in searchedMembers)
{
if (obj is IEntity)
{
refFinder.FindReferencesInFile(refFinder.GetSearchScopes((IEntity)obj), file, unit, doc.Compilation, (astNode, r) =>
{
if (IsNodeValid(obj, astNode))
{
result.Add(GetReference(r, astNode, editor.FileName, editor));
}
}, CancellationToken.None);
}
else if (obj is IVariable)
{
refFinder.FindLocalReferences((IVariable)obj, file, unit, doc.Compilation, (astNode, r) =>
{
if (IsNodeValid(obj, astNode))
{
result.Add(GetReference(r, astNode, editor.FileName, editor));
}
}, CancellationToken.None);
}
else if (obj is ITypeParameter)
{
refFinder.FindTypeParameterReferences((ITypeParameter)obj, file, unit, doc.Compilation, (astNode, r) =>
{
if (IsNodeValid(obj, astNode))
{
result.Add(GetReference(r, astNode, editor.FileName, editor));
}
}, CancellationToken.None);
}
}
return(result);
}
void FindIssuesInNode(AstNode anchor, AstNode node, string accessorName = "setter")
{
if (node == null || node.IsNull)
return;
var localResolveResult = context.GetResolverStateBefore(node)
.LookupSimpleNameOrTypeName("value", new List<IType>(), NameLookupMode.Expression) as LocalResolveResult;
if (localResolveResult == null)
return;
var variable = localResolveResult.Variable;
bool referenceFound = false;
var findRef = new FindReferences();
var syntaxTree = (SyntaxTree)context.RootNode;
findRef.FindLocalReferences(variable, context.UnresolvedFile, syntaxTree, context.Compilation, (n, entity) => {
if (n.StartLocation >= node.StartLocation && n.EndLocation <= node.EndLocation) {
referenceFound = true;
}
}, CancellationToken.None);
if(!referenceFound)
AddIssue(anchor, context.TranslateString("The " + accessorName + " does not use the 'value' parameter"));
}
bool HasDependencyCheck(FindReferences referenceFinder, LocalResolveResult localResolveResult)
{
bool result = false;
referenceFinder.FindLocalReferences(localResolveResult.Variable, context.UnresolvedFile,
(SyntaxTree)context.RootNode, context.Compilation,
(node, resolveResult) => {
result |= VariableHasBeenConverted(localResolveResult.Variable);
}, CancellationToken.None);
return result;
}
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;
}
public override void Rename(IVariable variable, string name)
{
FindReferences refFinder = new FindReferences ();
refFinder.FindLocalReferences (variable,
context.UnresolvedFile,
context.RootNode as SyntaxTree,
context.Compilation, (n, r) => Rename (n, name),
context.CancellationToken);
}
private List<AstNode> GetResolvedNodes(ResolveResultType type, AstNode node)
{
var resolvedNodes = new List<AstNode>();
ResolveResult resolveResult = _resolver.Resolve(node);
if (resolveResult != null)
{
var findReferences = new FindReferences();
FoundReferenceCallback callback = delegate (AstNode matchNode, ResolveResult result)
{
resolvedNodes.Add(matchNode);
};
if (type == ResolveResultType.Local)
{
var localResolveResult = resolveResult as LocalResolveResult;
if (localResolveResult != null)
findReferences.FindLocalReferences(localResolveResult.Variable, _unresolvedFile, SyntaxTree, _compilation, callback, CancellationToken.None);
}
else if (type == ResolveResultType.Member)
{
var memberResolveResult = resolveResult as MemberResolveResult;
if (memberResolveResult != null)
{
var searchScopes = findReferences.GetSearchScopes(memberResolveResult.Member);
findReferences.FindReferencesInFile(searchScopes, _unresolvedFile, SyntaxTree, _compilation, callback, CancellationToken.None);
}
}
else if (type == ResolveResultType.Type)
{
var typeResolveResult = resolveResult as TypeResolveResult;
if (typeResolveResult != null)
{
var searchScopes = findReferences.GetSearchScopes(typeResolveResult.Type.GetDefinition());
findReferences.FindReferencesInFile(searchScopes, _unresolvedFile, SyntaxTree, _compilation, callback, CancellationToken.None);
}
}
}
else
{
}
return resolvedNodes;
}
