public static XamlUnresolvedFile Create(FileName fileName, ITextSource fileContent, AXmlDocument document)
{
XamlUnresolvedFile file = new XamlUnresolvedFile(fileName);
ReadOnlyDocument textDocument = new ReadOnlyDocument(fileContent, fileName);
file.errors.AddRange(document.SyntaxErrors.Select(err => new Error(ErrorType.Error, err.Description, textDocument.GetLocation(err.StartOffset))));
var visitor = new XamlDocumentVisitor(file, textDocument);
visitor.VisitDocument(document);
if (visitor.TypeDefinition != null)
{
file.topLevel = new[] { visitor.TypeDefinition }
}
;
else
{
file.topLevel = new IUnresolvedTypeDefinition[0];
}
return(file);
}
public override void VisitDocument(AXmlDocument document)
{
currentDocument = document;
AXmlElement rootElement = currentDocument.Children.OfType <AXmlElement>().FirstOrDefault();
if (rootElement != null)
{
string className = rootElement.GetAttributeValue(XamlConst.XamlNamespace, "Class");
string modifier = rootElement.GetAttributeValue(XamlConst.XamlNamespace, "ClassModifier");
if (className != null)
{
TypeDefinition = new DefaultUnresolvedTypeDefinition(className)
{
Kind = TypeKind.Class,
UnresolvedFile = file,
Accessibility = Accessibility.Public,
Region = new DomRegion(file.FileName, textDocument.GetLocation(rootElement.StartOffset), textDocument.GetLocation(rootElement.EndOffset))
};
TypeDefinition.Members.Add(
new DefaultUnresolvedMethod(TypeDefinition, "InitializeComponent")
{
Accessibility = Accessibility.Public,
ReturnType = KnownTypeReference.Void
});
TypeDefinition.Members.Add(
new DefaultUnresolvedField(TypeDefinition, "_contentLoaded")
{
Accessibility = Accessibility.Private,
ReturnType = KnownTypeReference.Boolean
});
var connectMember =
new DefaultUnresolvedMethod(TypeDefinition, "Connect")
{
Accessibility = Accessibility.Private,
ReturnType = KnownTypeReference.Void
};
connectMember.Parameters.Add(new DefaultUnresolvedParameter(KnownTypeReference.Int32, "connectionId"));
connectMember.Parameters.Add(new DefaultUnresolvedParameter(KnownTypeReference.Object, "target"));
TypeDefinition.Members.Add(connectMember);
connectMember.ExplicitInterfaceImplementations.Add(
new DefaultMemberReference(SymbolKind.Method, new GetClassTypeReference(new FullTypeName(typeof(System.Windows.Markup.IComponentConnector).FullName)), "Connect"));
var browsableAttribute = new DefaultUnresolvedAttribute(new GetClassTypeReference(new FullTypeName(typeof(System.ComponentModel.EditorBrowsableAttribute).FullName)));
browsableAttribute.PositionalArguments.Add(
new SimpleConstantValue(
new GetClassTypeReference(new FullTypeName(typeof(System.ComponentModel.EditorBrowsableAttribute).FullName)), System.ComponentModel.EditorBrowsableState.Never
));
connectMember.Attributes.Add(browsableAttribute);
TypeDefinition.BaseTypes.Add(CreateTypeReference(rootElement.Namespace, rootElement.LocalName));
TypeDefinition.BaseTypes.Add(new GetClassTypeReference(new FullTypeName(typeof(System.Windows.Markup.IComponentConnector).FullName)));
if (modifier != null)
{
TypeDefinition.Accessibility = ParseAccessibility(modifier);
}
}
}
base.VisitDocument(document);
}
//// todo: eliminate this method later
//private static void AugmentProjectModelWithAlgorithmBase(ProjectModel model)
//{
// model.Children.Add(QcAlgorithmFileModel.Value);
//}
public static ProjectAnalysisResult RunFullProjectAnalysis(ProjectAnalysisRequest projectAnalysisRequest)
{
Stopwatch sw = Stopwatch.StartNew();
ProjectAnalysisResult projectAnalysisResult = new ProjectAnalysisResult();
ProjectModel projectModel = projectAnalysisRequest.ProjectModel;
// todo: Ask Jared why QCAlgorithm is a partial class and why it's not included in "common"
#if false
// ************************************************************************************
// NOTE: In order to get this project building cleanly, with minimal dependencies
// before checking into Github, I've removed all hard QuantConnect dependencies,
// including the QCAlgorithm.cs embedded resource and the assembly references to
// QuantConnect.Algorithm.Interface
// Augment the project model with the QCAgorithm base class
// projectModel.Children.Add(QcAlgorithmFileModel.Value);
// ************************************************************************************
#endif
// Set up the project (if not already done)
if (projectModel.ProjectContent == null)
{
projectModel.ProjectContent = new CSharpProjectContent();
projectModel.ProjectContent = projectModel.ProjectContent.AddAssemblyReferences(QCReferences.Value);
}
// For each new file, we need to integrate it into the project content
var fileModelsInProject = projectModel.GetFileDescendants().ToArray();
foreach (var fileModelInProject in fileModelsInProject)
{
IntegrateFileModel(projectModel, fileModelInProject);
}
// We can return now if no code completion was requested
if (projectAnalysisRequest.CodeCompletionParameters == null)
{
projectAnalysisResult.TimeElapsed = sw.Elapsed;
return(projectAnalysisResult);
}
// Now it's time to give attention specifically to the matter of resolving the code completion
// options. This, of course, requires a deeper analysis of the specified file...
var codeCompletionParams = projectAnalysisRequest.CodeCompletionParameters;
// Locate the file in the project
ProjectFileModel fileModel = projectModel.FindFile(codeCompletionParams.FileId);
if (fileModel == null)
{
throw new Exception("Specified file does not exist in this project");
}
// Create a TypeSystem.ICompilation that allows resolving within the project.
var compilation = projectModel.ProjectContent.CreateCompilation();
#region Resolve text cursor/caret location
// The text cursor position is crucial to creating a properly-scoped type resolution context
// so as to get relevant code completion suggestions.
int textCursorOffset = 0;
TextLocation textCursorLocation = new TextLocation(1, 1);
ReadOnlyDocument doc = new ReadOnlyDocument(fileModel.Content);
try
{
// if line and column aren't set, we'll assume that the cursor offset/index is set
if (codeCompletionParams.Line == 0 && codeCompletionParams.Column == 0)
{
textCursorOffset = codeCompletionParams.Offset;
if (textCursorOffset < 0)
{
textCursorOffset = 0;
}
textCursorLocation = doc.GetLocation(textCursorOffset);
}
// if either line or column are invalid (i.e. <= 0), then we'll use offset 0 instead
else if (codeCompletionParams.Line <= 0 || codeCompletionParams.Column <= 0)
{
textCursorOffset = 0;
}
else
{
textCursorLocation = new TextLocation(codeCompletionParams.Line, codeCompletionParams.Column);
textCursorOffset = doc.GetOffset(textCursorLocation);
codeCompletionParams.Offset = textCursorOffset;
}
}
catch (Exception)
{
textCursorOffset = 0;
textCursorLocation = new TextLocation(1, 1);
}
finally
{
projectAnalysisResult.Line = textCursorLocation.Line;
projectAnalysisResult.Column = textCursorLocation.Column;
projectAnalysisResult.Offset = textCursorOffset;
}
#endregion
#region Create and Refine the type resolution context as much as possible based upon the cursor position
var typeResolveContext = new CSharpTypeResolveContext(compilation.MainAssembly);
// Constrain the resolve context by using scope
typeResolveContext = typeResolveContext
.WithUsingScope(fileModel.UnresolvedFile.GetUsingScope(textCursorLocation)
.Resolve(compilation));
var curDef = fileModel.UnresolvedFile.GetInnermostTypeDefinition(textCursorLocation);
if (curDef != null)
{
var resolvedDef = curDef.Resolve(typeResolveContext).GetDefinition();
typeResolveContext = typeResolveContext.WithCurrentTypeDefinition(resolvedDef);
var curMember = resolvedDef.Members.FirstOrDefault(m => m.Region.Begin <= textCursorLocation && textCursorLocation < m.BodyRegion.End);
if (curMember != null)
{
typeResolveContext = typeResolveContext.WithCurrentMember(curMember);
}
}
#endregion
// The purpose of the rest of these steps is a little fuzzy in my mind...
// I'm still trying to understand them fully and if/why they're all needed.
// It seems there is some redundancy here...
var completionContext = new DefaultCompletionContextProvider(doc, fileModel.UnresolvedFile);
#region Add Preprocessor Symbols??
completionContext.AddSymbol("TEST");
foreach (var sym in fileModel.SyntaxTree.ConditionalSymbols)
{
completionContext.AddSymbol(sym);
}
#endregion
var completionDataFactory = new CodeCompletionDataFactory(new CSharpResolver(typeResolveContext));
var completionEngine = new CSharpCompletionEngine(doc, completionContext, completionDataFactory, projectModel.ProjectContent, typeResolveContext);
completionEngine.EolMarker = Environment.NewLine;
completionEngine.FormattingPolicy = FormattingOptionsFactory.CreateMono();
projectModel.CompletionEngine = completionEngine;
// Attach contextual info to analysis result
GetDocumentContext(projectAnalysisResult, textCursorOffset, doc);
// Finally, generate completion data!
var completionOptions = completionEngine.GetCompletionData(textCursorOffset, projectAnalysisRequest.CodeCompletionParameters.CtrlSpace).ToArray();
projectAnalysisResult.CompletionOptions = completionOptions.OrderBy(x => x.CompletionText).ToArray();
projectAnalysisResult.AutoCompleteEmptyMatch = completionEngine.AutoCompleteEmptyMatch;
projectAnalysisResult.AutoSelect = completionEngine.AutoSelect;
projectAnalysisResult.DefaultCompletionString = completionEngine.DefaultCompletionString;
int startPos, wordLength;
if (completionEngine.TryGetCompletionWord(textCursorOffset, out startPos, out wordLength))
{
//Debug.WriteLine("TryGetCompletionWord :: startpos:{0} wordlength:{1}", startPos, wordLength);
string completionWord = projectAnalysisResult.CompletionWord = doc.GetText(startPos, wordLength);
if (!string.IsNullOrWhiteSpace(completionWord))
{
var bestMatch = projectAnalysisResult.CompletionOptions
.FirstOrDefault(x => x.CompletionText.CompareTo(completionWord) >= 0);
projectAnalysisResult.BestMatchToCompletionWord = bestMatch;
//if (bestMatch != null)
//projectAnalysisResult.BestMatchToCompletionWord = bestMatch.CompletionText;
}
}
projectAnalysisResult.TimeElapsed = sw.Elapsed;
return(projectAnalysisResult);
}
public static void Roundtrip(CSharpParser parser, string fileName, string code)
{
// 1. Parse
SyntaxTree syntaxTree = parser.Parse(code, fileName);
if (parser.HasErrors)
{
throw new InvalidOperationException("There were parse errors.");
}
// 2. Output
StringWriter w = new StringWriter();
syntaxTree.AcceptVisitor(new CSharpOutputVisitor(w, FormattingOptionsFactory.CreateMono()));
string generatedCode = w.ToString().TrimEnd();
// 3. Compare output with original (modulo whitespaces)
int pos2 = 0;
for (int pos1 = 0; pos1 < code.Length; pos1++)
{
if (!char.IsWhiteSpace(code[pos1]))
{
while (pos2 < generatedCode.Length && char.IsWhiteSpace(generatedCode[pos2]))
{
pos2++;
}
if (pos2 >= generatedCode.Length || code[pos1] != generatedCode[pos2])
{
ReadOnlyDocument doc = new ReadOnlyDocument(code);
File.WriteAllText(Path.Combine(Program.TempPath, "roundtrip-error.cs"), generatedCode);
throw new InvalidOperationException("Mismatch at " + doc.GetLocation(pos1) + " of file " + fileName);
}
pos2++;
}
}
if (pos2 != generatedCode.Length)
{
throw new InvalidOperationException("Mismatch at end of file " + fileName);
}
// 3b - validate that there are no lone \r
if (generatedCode.Replace(w.NewLine, "\n").IndexOf('\r') >= 0)
{
throw new InvalidOperationException(@"Got lone \r in " + fileName);
}
// 4. Parse generated output
SyntaxTree generatedCU;
try
{
generatedCU = parser.Parse(generatedCode, fileName);
}
catch
{
File.WriteAllText(Path.Combine(Program.TempPath, "roundtrip-error.cs"), generatedCode, Encoding.Unicode);
throw;
}
if (parser.HasErrors)
{
File.WriteAllText(Path.Combine(Program.TempPath, "roundtrip-error.cs"), generatedCode);
throw new InvalidOperationException("There were parse errors in the roundtripped " + fileName);
}
// 5. Compare AST1 with AST2
if (!syntaxTree.IsMatch(generatedCU))
{
throw new InvalidOperationException("AST match failed for " + fileName + ".");
}
}
public static ProjectAnalysisResult RunFullProjectAnalysis(ProjectAnalysisRequest projectAnalysisRequest) // ProjectModel projectModel, int fileId, int line, int column)
{
Stopwatch sw = Stopwatch.StartNew();
ProjectAnalysisResult projectAnalysisResult = new ProjectAnalysisResult();
ProjectModel projectModel = projectAnalysisRequest.ProjectModel;
// Set up the project (if not already done)
if (projectModel.ProjectContent == null)
{
projectModel.ProjectContent = new CSharpProjectContent();
projectModel.ProjectContent = projectModel.ProjectContent.AddAssemblyReferences(QCReferences.Value);
}
// For each new file, we need to integrate it into the project content
var fileModelsInProject = projectModel.GetFileDescendants().ToArray();
foreach (var fileModelInProject in fileModelsInProject)
{
IntegrateFileModel(projectModel, fileModelInProject);
}
// We can return now if no code completion was requested
if (projectAnalysisRequest.CodeCompletionParameters == null)
{
projectAnalysisResult.TimeElapsed = sw.Elapsed;
return(projectAnalysisResult);
}
// Now it's time to give attention specifically to the matter of resolving the code completion
// options. This, of course, requires a deeper analysis of the specified file...
var codeCompletionParams = projectAnalysisRequest.CodeCompletionParameters;
// Locate the file in the project
ProjectFileModel fileModel = projectModel.FindFile(codeCompletionParams.FileId);
if (fileModel == null)
{
throw new Exception("Specified file does not exist in this project");
}
// Create a TypeSystem.ICompilation that allows resolving within the project.
var compilation = projectModel.ProjectContent.CreateCompilation();
#region Resolve text cursor/caret location
// The text cursor position is crucial to creating a properly-scoped type resolution context
// so as to get relevant code completion suggestions.
int textCursorOffset;
TextLocation textCursorLocation;
ReadOnlyDocument doc = new ReadOnlyDocument(fileModel.Content);
if (codeCompletionParams.Line == 0 && codeCompletionParams.Column == 0)
{
textCursorOffset = codeCompletionParams.Offset;
textCursorLocation = doc.GetLocation(textCursorOffset);
codeCompletionParams.Line = textCursorLocation.Line;
codeCompletionParams.Column = textCursorLocation.Column;
}
else
{
textCursorLocation = new TextLocation(codeCompletionParams.Line, codeCompletionParams.Column);
textCursorOffset = doc.GetOffset(textCursorLocation);
codeCompletionParams.Offset = textCursorOffset;
}
#endregion
#region Create and Refine the type resolution context as much as possible based upon the cursor position
var typeResolveContext = new CSharpTypeResolveContext(compilation.MainAssembly);
// Constrain the resolve context by using scope
typeResolveContext = typeResolveContext
.WithUsingScope(fileModel.UnresolvedFile.GetUsingScope(textCursorLocation)
.Resolve(compilation));
var curDef = fileModel.UnresolvedFile.GetInnermostTypeDefinition(textCursorLocation);
if (curDef != null)
{
var resolvedDef = curDef.Resolve(typeResolveContext).GetDefinition();
typeResolveContext = typeResolveContext.WithCurrentTypeDefinition(resolvedDef);
var curMember = resolvedDef.Members.FirstOrDefault(m => m.Region.Begin <= textCursorLocation && textCursorLocation < m.BodyRegion.End);
if (curMember != null)
{
typeResolveContext = typeResolveContext.WithCurrentMember(curMember);
}
}
#endregion
// The purpose of the rest of these steps is a little fuzzy in my mind...
// I'm still trying to understand them fully and if/why they're all needed.
// It seems there is some redundancy here...
var completionContext = new DefaultCompletionContextProvider(doc, fileModel.UnresolvedFile);
#region Add Preprocessor Symbols??
completionContext.AddSymbol("TEST");
foreach (var sym in fileModel.SyntaxTree.ConditionalSymbols)
{
completionContext.AddSymbol(sym);
}
#endregion
var completionDataFactory = new TestCompletionDataFactory(new CSharpResolver(typeResolveContext));
var completionEngine = new CSharpCompletionEngine(doc, completionContext, completionDataFactory, projectModel.ProjectContent, typeResolveContext);
completionEngine.EolMarker = Environment.NewLine;
completionEngine.FormattingPolicy = FormattingOptionsFactory.CreateMono();
projectModel.CompletionEngine = completionEngine;
#region Debugging Aid
// Resolve content around text cursor
int numberOfCharactersAroundCursorToResolve = 20;
int firstCharOffset = textCursorOffset - numberOfCharactersAroundCursorToResolve / 2;
if (firstCharOffset < 0)
{
firstCharOffset = 0;
}
if (doc.TextLength < firstCharOffset + numberOfCharactersAroundCursorToResolve)
{
numberOfCharactersAroundCursorToResolve = doc.TextLength - firstCharOffset;
}
string surroundingText = doc.GetText(firstCharOffset, numberOfCharactersAroundCursorToResolve);
Debug.WriteLine("Text around cursor: [{0}]", surroundingText);
#endregion
// Finally, generate completion data!
var completionOptions = completionEngine.GetCompletionData(textCursorOffset, projectAnalysisRequest.CodeCompletionParameters.CtrlSpace).ToArray();
projectAnalysisResult.CompletionOptions = completionEngine.GetCompletionData(textCursorOffset, projectAnalysisRequest.CodeCompletionParameters.CtrlSpace).ToArray();
projectAnalysisResult.AutoCompleteEmptyMatch = completionEngine.AutoCompleteEmptyMatch;
projectAnalysisResult.AutoSelect = completionEngine.AutoSelect;
projectAnalysisResult.DefaultCompletionString = completionEngine.DefaultCompletionString;
int startPos, wordLength;
if (completionEngine.TryGetCompletionWord(textCursorOffset, out startPos, out wordLength))
{
Debug.WriteLine("TryGetCompletionWord :: startpos:{0} wordlength:{1}", startPos, wordLength);
projectAnalysisResult.CompletionWord = doc.GetText(startPos, wordLength);
}
projectAnalysisResult.TimeElapsed = sw.Elapsed;
return(projectAnalysisResult);
}
