public static OmniSharpRefactoringContext GetContext(BufferParser bufferParser, Request request)
{
var q = bufferParser.ParsedContent(request.Buffer, request.FileName);
var resolver = new CSharpAstResolver(q.Compilation, q.SyntaxTree, q.UnresolvedFile);
var doc = new StringBuilderDocument(request.Buffer);
var location = new TextLocation(request.Line, request.Column);
OmniSharpRefactoringContext refactoringContext;
if(request is CodeActionRequest)
{
var car = request as CodeActionRequest;
if(car.SelectionStartColumn.HasValue)
{
var startLocation
= new TextLocation(car.SelectionStartLine.Value, car.SelectionStartColumn.Value);
var endLocation
= new TextLocation(car.SelectionEndLine.Value, car.SelectionEndColumn.Value);
refactoringContext = new OmniSharpRefactoringContext(doc, resolver, location, startLocation, endLocation);
}
else
{
refactoringContext = new OmniSharpRefactoringContext(doc, resolver, location);
}
}
else
{
refactoringContext = new OmniSharpRefactoringContext(doc, resolver, location);
}
refactoringContext.Services.AddService (typeof(NamingConventionService), new DefaultNameService ());
return refactoringContext;
}
public IEnumerable<QuickFix> CodeCheck(Request request)
{
var errors = new List<QuickFix>();
var syntaxErrors =
_syntaxErrorsHandler.FindSyntaxErrors(request)
.Errors.Select(
x => new QuickFix {Column = x.Column, FileName = x.FileName, Line = x.Line, Text = x.Message, LogLevel = "Error"});
errors.AddRange(syntaxErrors);
if (errors.Any())
{
return errors;
}
var semanticErrors =
_semanticErrorsHandler.FindSemanticErrors(request)
.Errors.Select(
x => new QuickFix {Column = x.Column, FileName = x.FileName, Line = x.Line, Text = x.Message , LogLevel = "Error"});
errors.AddRange(semanticErrors);
if (errors.Any())
{
return errors;
}
var codeErrors = _codeIssuesHandler.GetCodeIssues(request).QuickFixes;
errors.AddRange(codeErrors);
return errors;
}
public SemanticErrorsResponse FindSemanticErrors(Request request)
{
var clientFilename = request.FileName.ApplyPathReplacementsForClient();
var project = _solution.ProjectContainingFile(request.FileName);
project.UpdateFile(request.FileName, request.Buffer);
var solutionSnapshot = new DefaultSolutionSnapshot(_solution.Projects.Select(i => i.ProjectContent));
SyntaxTree syntaxTree;
if(project.CompilerSettings!=null){
syntaxTree = new CSharpParser(project.CompilerSettings).Parse(request.Buffer, request.FileName);
}else{
syntaxTree = new CSharpParser().Parse(request.Buffer, request.FileName);
}
var resolver = new CSharpAstResolver(solutionSnapshot.GetCompilation(project.ProjectContent), syntaxTree);
var navigator = new SemanticErrorsNavigator();
resolver.ApplyNavigator(navigator);
var errors = navigator.GetErrors()
.Where(e => ShouldIncludeIssue(e.Message))
.Select(i => new Error
{
FileName = clientFilename,
Message = i.Message,
Line = i.StartLocation.Line,
Column = i.EndLocation.Column,
EndLine = i.EndLocation.Line,
EndColumn = i.EndLocation.Column
});
return new SemanticErrorsResponse
{
Errors = errors,
};
}
public static OmniSharpRefactoringContext GetContext(BufferParser bufferParser, Request request)
{
var q = bufferParser.ParsedContent(request.Buffer, request.FileName);
var resolver = new CSharpAstResolver(q.Compilation, q.SyntaxTree, q.UnresolvedFile);
var doc = new StringBuilderDocument(request.Buffer);
var location = new TextLocation(request.Line, request.Column);
var refactoringContext = new OmniSharpRefactoringContext(doc, resolver, location);
return refactoringContext;
}
public QuickFixResponse GetCodeIssues(Request req)
{
var actions = GetContextualCodeActions(req);
return new QuickFixResponse(actions.Select(a => new QuickFix
{
Column = a.Start.Column,
Line = a.Start.Line,
FileName = req.FileName,
Text = a.Description
}));
}
public FixUsingsResponse FixUsings(Request request)
{
_fileName = request.FileName;
string buffer = RemoveUsings(request.Buffer);
buffer = SortUsings(buffer);
buffer = AddLinqForQueryIfMissing(buffer);
bool ambiguousResultsFound = false;
bool usingsAdded = true;
while (usingsAdded)
{
var content = _bufferParser.ParsedContent(buffer, _fileName);
var tree = content.SyntaxTree;
var resolver = new CSharpAstResolver(content.Compilation, content.SyntaxTree, content.UnresolvedFile);
var unresolvedNodes = GetAllUnresolvedNodes(tree, resolver).Select(nr => GetNodeToAddUsing(nr));
usingsAdded = false;
request.Buffer = buffer;
var outerContext = OmniSharpRefactoringContext.GetContext(_bufferParser, request);
using (var script = new OmniSharpScript(outerContext, _config))
{
foreach (var unresolvedNode in unresolvedNodes)
{
_logger.Info(unresolvedNode);
var requestForNode = CreateRequest(buffer, unresolvedNode);
var innerContext = OmniSharpRefactoringContext.GetContext(_bufferParser, requestForNode);
var addUsingAction = new AddUsingAction();
var actions = addUsingAction.GetActions(innerContext).Where(a => a.Description.StartsWith("using")).ToArray();
if (actions.Length == 1)
{
var a = actions[0];
_logger.Info("Adding " + a.Description);
a.Run(script);
usingsAdded = true;
break;
}
ambiguousResultsFound |= actions.Length > 1;
}
}
buffer = outerContext.Document.Text;
}
IEnumerable<QuickFix> ambiguous = Enumerable.Empty<QuickFix>();
if (ambiguousResultsFound)
{
ambiguous = GetAmbiguousNodes(buffer, request.FileName);
}
return new FixUsingsResponse(buffer, ambiguous);
}
private IEnumerable<CodeAction> GetContextualCodeActions(Request req)
{
var refactoringContext = OmniSharpRefactoringContext.GetContext(_bufferParser, req);
var actions = new List<CodeAction>();
var providers = new CodeActionProviders().GetProviders();
foreach (var provider in providers)
{
var providerActions = provider.GetActions(refactoringContext);
actions.AddRange(providerActions);
}
return actions;
}
public SyntaxErrorsResponse FindSyntaxErrors(Request request)
{
var syntaxTree = new CSharpParser().Parse(request.Buffer, request.FileName);
var errors = syntaxTree.Errors.Select(error => new Error
{
Message = error.Message.Replace("'", "''"),
Column = error.Region.BeginColumn,
Line = error.Region.BeginLine,
FileName = request.FileName
});
return new SyntaxErrorsResponse {Errors = errors};
}
GetFileRegions(Request request) {
var context = new BufferContext(request, this._parser);
var declarationCollector = new GetDirectivesAstVisitor();
context.ParsedContent.SyntaxTree
.AcceptVisitor(declarationCollector);
var regions = declarationCollector.Directives
.Where(d => d.Type == PreProcessorDirectiveType.Region
|| d.Type == PreProcessorDirectiveType.Endregion)
.Select(d => QuickFix.ForFirstLineInRegion
(d.GetRegion(), context.Document));
return new QuickFixResponse(regions);
}
public OverrideContext
(Request request, BufferParser parser) {
this.BufferParser = parser;
this.CompletionContext = new BufferContext
(request, this.BufferParser);
this.CurrentType = this.CompletionContext.ParsedContent
.UnresolvedFile.GetInnermostTypeDefinition
(this.CompletionContext.TextLocation)
.Resolve(this.CompletionContext.ResolveContext);
this.OverrideTargets =
GetOverridableMembers()
.Select(m => new GetOverrideTargetsResponse
(m, this.CompletionContext.ResolveContext))
.ToArray();
}
private IEnumerable<CodeIssue> GetContextualCodeActions(Request req)
{
var refactoringContext = OmniSharpRefactoringContext.GetContext(_bufferParser, req);
var actions = new List<CodeIssue>();
var providers = new CodeIssueProviders().GetProviders();
foreach (var provider in providers)
{
try
{
var codeIssues = provider.GetIssues(refactoringContext);
actions.AddRange(codeIssues.Where(ShouldIncludeIssue));
}
catch (Exception)
{
}
}
return actions;
}
void Initialize(Request request, BufferParser parser) {
this.Request = request;
this.BufferParser = parser;
this.Document = new ReadOnlyDocument(request.Buffer ?? "");
this.TextLocation = new TextLocation
(line: request.Line,
column: request.Column);
int cursorPosition = this.Document.GetOffset(this.TextLocation);
//Ensure cursorPosition only equals 0 when editorText is empty, so line 1,column 1
//completion will work correctly.
cursorPosition = Math.Max(cursorPosition, 1);
cursorPosition = Math.Min(cursorPosition, request.Buffer.Length);
this.CursorPosition = cursorPosition;
this.ParsedContent = this.BufferParser.ParsedContent(request.Buffer, request.FileName);
this.ResolveContext = this.ParsedContent.UnresolvedFile.GetTypeResolveContext(this.ParsedContent.Compilation, this.TextLocation);
}
public GetContextResponse GetContextResponse(Request request)
{
string methodName = null;
string typeName = null;
var bufferContext = new BufferContext(request, _parser);
var node = bufferContext.NodeCurrentlyUnderCursor;
TypeDeclaration type = null;
NamespaceDeclaration namespaceDeclaration = null;
if(node != null)
{
var method = (MethodDeclaration) node.AncestorsAndSelf.FirstOrDefault(n => n is MethodDeclaration);
if (method != null)
methodName = method.Name;
type = (TypeDeclaration)node.AncestorsAndSelf.FirstOrDefault(n => n is TypeDeclaration);
namespaceDeclaration = (NamespaceDeclaration)node.AncestorsAndSelf.FirstOrDefault(n => n is NamespaceDeclaration);
}
if (type == null)
{
var tree = bufferContext.ParsedContent.SyntaxTree;
type = (TypeDeclaration)tree.DescendantsAndSelf.FirstOrDefault(n => n is TypeDeclaration);
namespaceDeclaration = (NamespaceDeclaration)tree.DescendantsAndSelf.FirstOrDefault(n => n is NamespaceDeclaration);
}
typeName = type.Name;
if (namespaceDeclaration != null)
typeName = namespaceDeclaration.FullName + "." + typeName;
var project = _solution.ProjectContainingFile(request.FileName);
var directory = new FileInfo(project.FileName).Directory.FullName;
var assemblyName = Path.Combine(directory, "bin", "Debug", project.ProjectContent.FullAssemblyName + ".dll");
return new GetContextResponse
{
MethodName = methodName,
TypeName = typeName,
AssemblyName = "\"" + assemblyName + "\""
};
}
private IEnumerable<CodeIssue> GetContextualCodeActions(Request req)
{
var refactoringContext = OmniSharpRefactoringContext.GetContext(_bufferParser, req);
var ignoredCodeIssues = ConfigurationLoader.Config.IgnoredCodeIssues;
var actions = new List<CodeIssue>();
var providers = new CodeIssueProviders().GetProviders();
foreach (var provider in providers)
{
try
{
var codeIssues = provider.GetIssues(refactoringContext);
actions.AddRange(codeIssues.Where(issue => !ignoredCodeIssues.Contains(issue.Description)));
}
catch (Exception)
{
}
}
return actions;
}
public void Should_not_offer_already_overridden_method()
{
var buffer = @"
public class WeirdString : String
{
public override string ToString()
{
return ""weird"";
}
$
}";
var location = TestHelpers.GetLineAndColumnFromDollar(buffer);
var request = new Request { Buffer = buffer, FileName = "myfile.cs", Line = location.Line, Column = location.Column };
var solution = new FakeSolutionBuilder().AddFile(buffer, "myfile.cs").Build();
var parser = new BufferParser(solution);
var context = new OverrideContext(request, parser);
var overrides = context.OverrideTargets.Select(m => m.OverrideTargetName).ToArray();
overrides.ShouldNotContain("public virtual string ToString ();");
}
public static GetContextResponse GetContextInformation(this string editorText)
{
int cursorOffset = editorText.IndexOf("$", StringComparison.Ordinal);
var cursorPosition = TestHelpers.GetLineAndColumnFromIndex(editorText, cursorOffset);
editorText = editorText.Replace("$", "");
var solution = new FakeSolution();
var project = new FakeProject();
project.AddFile(editorText);
solution.Projects.Add(project);
var handler = new GetContextHandler(solution, new BufferParser(solution));
var request = new Request
{
Buffer = editorText,
FileName = "myfile",
Line = cursorPosition.Line,
Column = cursorPosition.Column,
};
return handler.GetContextResponse(request);
}
public SemanticErrorsResponse FindSemanticErrors(Request request)
{
var clientFilename = request.FileName.ApplyPathReplacementsForClient();
var project = _solution.ProjectContainingFile(request.FileName);
project.UpdateFile(request.FileName, request.Buffer);
var solutionSnapshot = new DefaultSolutionSnapshot(_solution.Projects.Select(i => i.ProjectContent));
var syntaxTree = new CSharpParser().Parse(request.Buffer, request.FileName);
var resolver = new CSharpAstResolver(solutionSnapshot.GetCompilation(project.ProjectContent), syntaxTree);
var navigator = new SemanticErrorsNavigator();
resolver.ApplyNavigator(navigator);
var errors = navigator.GetErrors().Select(i => new Error
{
FileName = clientFilename,
Message = i.Message,
Line = i.TextLocation.Line,
Column = i.TextLocation.Column,
});
return new SemanticErrorsResponse
{
Errors = errors,
};
}
public RunCodeIssuesResponse FixCodeIssue(Request req)
{
var issues = GetContextualCodeActions(req).ToList();
var issue = issues.FirstOrDefault(i => i.Start.Line == req.Line);
if (issue == null)
return new RunCodeIssuesResponse { Text = req.Buffer };
var context = OmniSharpRefactoringContext.GetContext(_bufferParser, req);
using (var script = new OmniSharpScript(context, _config))
{
var action = issue.Actions.FirstOrDefault();
if (action != null)
{
action.Run(script);
return new RunCodeIssuesResponse {Text = context.Document.Text};
}
}
return new RunCodeIssuesResponse {Text = req.Buffer};
}
public SyntaxErrorsResponse FindSyntaxErrors(Request request)
{
var parser = new CSharpParser ();
var project = _solution.ProjectContainingFile(request.FileName);
if (project.CompilerSettings != null) {
parser.CompilerSettings = project.CompilerSettings;
}
var syntaxTree = parser.Parse(request.Buffer, request.FileName);
var filename = request.FileName.ApplyPathReplacementsForClient();
var errors = syntaxTree.Errors.Select(error => new Error
{
Message = error.Message.Replace("'", "''"),
Column = error.Region.BeginColumn,
Line = error.Region.BeginLine,
EndColumn = error.Region.EndColumn,
EndLine = error.Region.EndLine,
FileName = filename
});
return new SyntaxErrorsResponse {Errors = errors};
}
public static FixUsingsResponse GetFixUsingsResponse(this string buffer)
{
var solution = new FakeSolutionBuilder().AddFile(buffer).Build();
var bufferParser = new BufferParser(solution);
var handler = new FixUsingsHandler(bufferParser, new Logger(Verbosity.Quiet), new OmniSharpConfiguration());
var request = new Request();
request.Buffer = buffer;
request.FileName = "myfile";
// line number should be irrelevant
request.Line = int.MaxValue;
var response = handler.FixUsings(request);
return response;
}
/// <summary>
/// Inserts the given EntityDeclaration with the given
/// script at the end of the type declaration under the
/// cursor (e.g. class / struct).
/// </summary>
/// <remarks>
/// Alters the given script. Returns its CurrentDocument
/// property. Alters the given memberDeclaration, adding
/// Modifiers.Override to its Modifiers as well as removing
/// Modifiers.Virtual.
/// </remarks>
IDocument runOverrideTargetWorker
( Request request
, OmniSharpRefactoringContext refactoringContext
, ParsedResult parsedContent
, EntityDeclaration memberDeclaration
, OmniSharpScript script) {
// Add override flag
memberDeclaration.Modifiers |= Modifiers.Override;
// Remove virtual flag
memberDeclaration.Modifiers &= ~ Modifiers.Virtual;
// The current type declaration, e.g. class, struct..
var typeDeclaration = parsedContent.SyntaxTree.GetNodeAt
( refactoringContext.Location
, n => n.NodeType == NodeType.TypeDeclaration);
// Even empty classes have nodes, so this works
var lastNode =
typeDeclaration.Children.Last();
script.InsertBefore
( node : lastNode
, newNode : memberDeclaration);
script.FormatText(memberDeclaration);
return script.CurrentDocument;
}
/// <summary>
/// Returns the available overridable members in the given
/// request.
/// </summary>
public IEnumerable<GetOverrideTargetsResponse> GetOverrideTargets
(Request request) {
var overrideContext = new OverrideContext(request, _parser);
return overrideContext.OverrideTargets;
}
private static Error[] GetErrors(string editorText)
{
var fileName = "test.cs";
var solution = new FakeSolution();
var project = new FakeProject();
project.AddFile(editorText, fileName);
solution.Projects.Add(project);
var handler = new SemanticErrorsHandler(solution);
var request = new Request
{
Buffer = editorText,
FileName = fileName,
};
var semanticErrorsResponse = handler.FindSemanticErrors(request);
return semanticErrorsResponse.Errors.ToArray();
}
Request CreateRequest(string buffer, AstNode node)
{
var request = new Request();
request.Buffer = buffer;
request.Line = node.Region.BeginLine;
request.Column = node.Region.BeginColumn;
request.FileName = _fileName;
return request;
}
public GetCodeActionsResponse GetCodeActions(Request req)
{
var actions = GetContextualCodeActions(req);
return new GetCodeActionsResponse { CodeActions = actions.Select(a => a.Description) };
}
public BufferContext
(Request request, BufferParser bufferParser) {
this.Initialize(request, bufferParser);
}