/// <summary>
/// Initializes a new instance of the <see cref="CSharpCompletionContext"/> class.
/// </summary>
/// <param name="document">The document, make sure the FileName property is set on the document.</param>
/// <param name="offset">The offset.</param>
/// <param name="projectContent">Content of the project.</param>
/// <param name="usings">The usings.</param>
/// <param name="variables">The variables</param>
/// <param name="namespace">The namespace.</param>
public CSharpCompletionContext(IDocument document, int offset, IProjectContent projectContent, string usings = null, string variables = null, string @namespace = null)
{
OriginalDocument = document;
OriginalOffset = offset;
OriginalUsings = usings;
OriginalVariables = variables;
OriginalNamespace = @namespace;
//if the document is a c# script we have to soround the document with some code.
Document = PrepareCompletionDocument(document, ref offset, usings, variables, @namespace);
Offset = offset;
var syntaxTree = new CSharpParser().Parse(Document, Document.FileName);
syntaxTree.Freeze();
var unresolvedFile = syntaxTree.ToTypeSystem();
ProjectContent = projectContent.AddOrUpdateFiles(unresolvedFile);
//note: it's important that the project content is used that is returned after adding the unresolved file
Compilation = ProjectContent.CreateCompilation();
var location = Document.GetLocation(Offset);
Resolver = unresolvedFile.GetResolver(Compilation, location);
TypeResolveContextAtCaret = unresolvedFile.GetTypeResolveContext(Compilation, location);
CompletionContextProvider = new DefaultCompletionContextProvider(Document, unresolvedFile);
}
public void ResetProject(Tuple <string, string>[] sourceFiles = null, params string[] assemblies)
{
Project = null;
if (sourceFiles == null)
{
sourceFiles = new Tuple <string, string> [0]; //will happen only during the testing
}
var projectContents = new IUnresolvedAssembly[assemblies.Length];
Parallel.For(0, assemblies.Length, i =>
{
projectContents[i] = new CecilLoader {
DocumentationProvider = GetXmlDocumentation(assemblies[i])
}.LoadAssemblyFile(assemblies[i]);
});
var unresolvedAsms = builtInLibs.Value.Concat(projectContents);
var unresolvedFiles = new IUnresolvedFile[sourceFiles.Length];
Parallel.For(0, unresolvedFiles.Length, i =>
{
var pair = sourceFiles[i];
var syntaxTree = new CSharpParser().Parse(pair.Item1, pair.Item2);
syntaxTree.Freeze();
unresolvedFiles[i] = syntaxTree.ToTypeSystem();
});
IProjectContent project = new CSharpProjectContent();
project = project.AddAssemblyReferences(unresolvedAsms);
project = project.AddOrUpdateFiles(unresolvedFiles);
Project = project;
}
public Common.DomRegion ResolveTypeByName(string typeName, string typeMemberName)
{
if (Project == null)
{
return(Common.DomRegion.Empty);
}
var code = $"class dummy11111 {{ System.Type t = typeof({typeName}); }}";
var location = new ReadOnlyDocument(code).GetLocation(code.Length - 6);
var syntaxTree = new CSharpParser().Parse(code, "dummy11111.cs");
syntaxTree.Freeze();
var unresolvedFile = syntaxTree.ToTypeSystem();
Project = Project.AddOrUpdateFiles(unresolvedFile);
var compilation = Project.CreateCompilation();
var result = ResolveAtLocation.Resolve(compilation, unresolvedFile, syntaxTree, location);
var type = (result as TypeResolveResult).Type as DefaultResolvedTypeDefinition;
if (type != null)
{
var asm = type.ParentAssembly;
if (asm.UnresolvedAssembly is IUnresolvedAssembly) //referenced assembly
{
FileLocation document = new Reflector().ReconstructToFile(asm, type, memberName: typeMemberName);
return(document.ToDomRegion().ToCommon());
}
}
return(Common.DomRegion.Empty);
}
internal static IParameterDataProvider CreateProvider(string text)
{
string parsedText;
string editorText;
int cursorPosition = text.IndexOf('$');
int endPos = text.IndexOf('$', cursorPosition + 1);
if (endPos == -1)
{
parsedText = editorText = text.Substring(0, cursorPosition) + text.Substring(cursorPosition + 1);
}
else
{
parsedText = text.Substring(0, cursorPosition) + new string(' ', endPos - cursorPosition) + text.Substring(endPos + 1);
editorText = text.Substring(0, cursorPosition) + text.Substring(cursorPosition + 1, endPos - cursorPosition - 1) + text.Substring(endPos + 1);
cursorPosition = endPos - 1;
}
var doc = new ReadOnlyDocument(editorText);
IProjectContent pctx = new CSharpProjectContent();
pctx = pctx.AddAssemblyReferences(new [] { CecilLoaderTests.Mscorlib, CecilLoaderTests.SystemCore });
var syntaxTree = new CSharpParser().Parse(parsedText, "program.cs");
syntaxTree.Freeze();
var unresolvedFile = syntaxTree.ToTypeSystem();
pctx = pctx.AddOrUpdateFiles(unresolvedFile);
var cmp = pctx.CreateCompilation();
var loc = doc.GetLocation(cursorPosition);
var rctx = new CSharpTypeResolveContext(cmp.MainAssembly);
rctx = rctx.WithUsingScope(unresolvedFile.GetUsingScope(loc).Resolve(cmp));
var curDef = unresolvedFile.GetInnermostTypeDefinition(loc);
if (curDef != null)
{
rctx = rctx.WithCurrentTypeDefinition(curDef.Resolve(rctx).GetDefinition());
var curMember = unresolvedFile.GetMember(loc);
if (curMember != null)
{
rctx = rctx.WithCurrentMember(curMember.CreateResolved(rctx));
}
}
var mb = new DefaultCompletionContextProvider(doc, unresolvedFile);
var engine = new CSharpParameterCompletionEngine(doc, mb, new TestFactory(pctx), pctx, rctx);
return(engine.GetParameterDataProvider(cursorPosition, doc.GetCharAt(cursorPosition - 1)));
}
public IEnumerable <Common.TypeInfo> GetPossibleNamespaces(string editorText, string nameToResolve, string fileName) // not the best way to put in the whole string every time
{
try
{
if (Project == null && string.IsNullOrEmpty(nameToResolve))
{
return(new Common.TypeInfo[0]);
}
var syntaxTree = new CSharpParser().Parse(editorText, fileName);
syntaxTree.Freeze();
var unresolvedFile = syntaxTree.ToTypeSystem();
Project = Project.AddOrUpdateFiles(unresolvedFile);
var srcNamespaces = Project.Files
.SelectMany(x => x.TopLevelTypeDefinitions)
.Union(Project.Files
.SelectMany(x => x.TopLevelTypeDefinitions)
.SelectMany(x => x.NestedTypes))
.Where(x => x.Name == nameToResolve)
.Distinct()
.Select(x => new Common.TypeInfo {
Namespace = x.Namespace, FullName = x.FullName
});
var asmNamespaces = Project.AssemblyReferences
.SelectMany(x => ((DefaultUnresolvedAssembly)x).TopLevelTypeDefinitions)
.Union(Project.AssemblyReferences
.SelectMany(x => ((DefaultUnresolvedAssembly)x).TopLevelTypeDefinitions)
.SelectMany(x => x.NestedTypes))
.Where(x => x.Name == nameToResolve)
.Distinct()
.Select(x => new Common.TypeInfo {
Namespace = x.Namespace, FullName = x.FullName
});
return(srcNamespaces.Union(asmNamespaces)
.OrderBy(x => x.Namespace)
.DistinctBy(x => x.FullName)
.ToArray());
}
catch
{
return(new Common.TypeInfo[0]); //the exception can happens even for the internal NRefactor-related reasons
}
}
IEnumerable <Common.ICompletionData> GetCSharpCompletionData(ReadOnlyDocument doc, string editorText, int offset, string fileName, bool isControlSpace = true) // not the best way to put in the whole string every time
{
if (editorText[offset] != '.') //we may be at the partially complete word
{
for (int i = offset - 1; i >= 0; i--)
{
if (SimpleCodeCompletion.Delimiters.Contains(editorText[i]))
{
offset = i + 1;
break;
}
}
}
//test for C# completion
var location = doc.GetLocation(offset);
var syntaxTree = new CSharpParser().Parse(editorText, fileName);
syntaxTree.Freeze();
var unresolvedFile = syntaxTree.ToTypeSystem();
Project = Project.AddOrUpdateFiles(unresolvedFile);
//note project should be reassigned/recreated every time we add asms or file
//IProjectContent project = new CSharpProjectContent();
//project = project.AddAssemblyReferences(builtInLibs.Value);
//project = project.AddOrUpdateFiles(unresolvedFile);
//IProjectContent project = new CSharpProjectContent().AddAssemblyReferences(builtInLibs.Value).AddOrUpdateFiles(unresolvedFile);
var completionContextProvider = new DefaultCompletionContextProvider(doc, unresolvedFile);
var compilation = Project.CreateCompilation();
var resolver = unresolvedFile.GetResolver(compilation, location);
var engine = new CSharpCompletionEngine(doc,
completionContextProvider,
new SimpleCompletionDataFactory(resolver),
Project,
resolver.CurrentTypeResolveContext);
var data = engine.GetCompletionData(offset, isControlSpace);
return(data.PrepareForDisplay().ToCommon());
}
public void ProcessInput(string input, string sourceFile)
{
if (string.IsNullOrEmpty(sourceFile))
{
return;
}
//see if it contains the word class, enum or struct
//todo: this is buggy because if two classes are evaluated seperately, the original file will overwrite it
// if the file is a script we should try to extract the class name and use it as the file name. sciptname + class
// we can probably use the AST for that.
if (input.Contains("class ") || input.Contains("enum ") || input.Contains("struct "))
{
var syntaxTree = new CSharpParser().Parse(input, sourceFile);
syntaxTree.Freeze();
var unresolvedFile = syntaxTree.ToTypeSystem();
projectContent = projectContent.AddOrUpdateFiles(unresolvedFile);
}
}
ResolveResult ResolveFromPosition(string editorText, int offset, string fileName)
{
if (Project == null)
{
return(null);
}
var location = new ReadOnlyDocument(editorText).GetLocation(offset);
var syntaxTree = new CSharpParser().Parse(editorText, fileName);
syntaxTree.Freeze();
var unresolvedFile = syntaxTree.ToTypeSystem();
Project = Project.AddOrUpdateFiles(unresolvedFile);
var compilation = Project.CreateCompilation();
return(ResolveAtLocation.Resolve(compilation, unresolvedFile, syntaxTree, location));
}
public static IEnumerable <ICompletionData> DoCodeComplete(string editorText, int offset) // not the best way to put in the whole string every time
{
var doc = new ReadOnlyDocument(editorText);
var location = doc.GetLocation(offset);
string parsedText = editorText; // TODO: Why are there different values in test cases?
var syntaxTree = new CSharpParser().Parse(parsedText, "program.cs");
syntaxTree.Freeze();
var unresolvedFile = syntaxTree.ToTypeSystem();
var mb = new DefaultCompletionContextProvider(doc, unresolvedFile);
IProjectContent pctx = new CSharpProjectContent();
var refs = new List <IUnresolvedAssembly> {
mscorlib.Value, systemCore.Value, systemAssembly.Value
};
pctx = pctx.AddAssemblyReferences(refs);
pctx = pctx.AddOrUpdateFiles(unresolvedFile);
var cmp = pctx.CreateCompilation();
var resolver3 = unresolvedFile.GetResolver(cmp, location);
var engine = new CSharpCompletionEngine(doc, mb, new TestCompletionDataFactory(resolver3), pctx, resolver3.CurrentTypeResolveContext);
engine.EolMarker = Environment.NewLine;
engine.FormattingPolicy = FormattingOptionsFactory.CreateMono();
var data = engine.GetCompletionData(offset, controlSpace: false);
return(data);
}
static CompletionDataList CreateProvider (string text, bool isCtrlSpace)
{
string parsedText;
string editorText;
int cursorPosition = text.IndexOf ('$');
int endPos = text.IndexOf ('$', cursorPosition + 1);
if (endPos == -1) {
parsedText = editorText = text.Substring (0, cursorPosition) + text.Substring (cursorPosition + 1);
} else {
parsedText = text.Substring (0, cursorPosition) + new string (' ', endPos - cursorPosition) + text.Substring (endPos + 1);
editorText = text.Substring (0, cursorPosition) + text.Substring (cursorPosition + 1, endPos - cursorPosition - 1) + text.Substring (endPos + 1);
cursorPosition = endPos - 1;
}
var doc = new ReadOnlyDocument (editorText);
IProjectContent pctx = new CSharpProjectContent ();
pctx = pctx.AddAssemblyReferences (new [] { CecilLoaderTests.Mscorlib, CecilLoaderTests.SystemCore });
var compilationUnit = new CSharpParser ().Parse (parsedText, "program.cs");
compilationUnit.Freeze ();
var parsedFile = compilationUnit.ToTypeSystem ();
pctx = pctx.UpdateProjectContent (null, parsedFile);
var cmp = pctx.CreateCompilation ();
var loc = doc.GetLocation (cursorPosition);
var rctx = new CSharpTypeResolveContext (cmp.MainAssembly);
rctx = rctx.WithUsingScope (parsedFile.GetUsingScope (loc).Resolve (cmp));
var curDef = parsedFile.GetInnermostTypeDefinition (loc);
if (curDef != null) {
var resolvedDef = curDef.Resolve (rctx).GetDefinition ();
rctx = rctx.WithCurrentTypeDefinition (resolvedDef);
var curMember = resolvedDef.Members.FirstOrDefault (m => m.Region.Begin <= loc && loc < m.BodyRegion.End);
if (curMember != null)
rctx = rctx.WithCurrentMember (curMember);
}
var engine = new CSharpCompletionEngine (doc, new TestFactory (), pctx, rctx, compilationUnit, parsedFile);
engine.EolMarker = Environment.NewLine;
engine.FormattingPolicy = FormattingOptionsFactory.CreateMono ();
var data = engine.GetCompletionData (cursorPosition, isCtrlSpace);
return new CompletionDataList () {
Data = data,
AutoCompleteEmptyMatch = engine.AutoCompleteEmptyMatch,
AutoSelect = engine.AutoSelect,
DefaultCompletionString = engine.DefaultCompletionString
};
}
// i'm not using this...
public static CSharpCompletionEngine CreateEngine(string text, out int cursorPosition, params IUnresolvedAssembly[] references)
{
string parsedText;
string editorText;
cursorPosition = text.IndexOf('$');
int endPos = text.IndexOf('$', cursorPosition + 1);
if (endPos == -1)
{
if (cursorPosition < 0)
{
parsedText = editorText = text;
}
else
{
parsedText = editorText = text.Substring(0, cursorPosition) + text.Substring(cursorPosition + 1);
}
}
else
{
parsedText = text.Substring(0, cursorPosition) + new string(' ', endPos - cursorPosition) + text.Substring(endPos + 1);
editorText = text.Substring(0, cursorPosition) + text.Substring(cursorPosition + 1, endPos - cursorPosition - 1) + text.Substring(endPos + 1);
cursorPosition = endPos - 1;
}
var doc = new ReadOnlyDocument(editorText);
IProjectContent projContent = new CSharpProjectContent();
var refs = new List <IUnresolvedAssembly> {
mscorlib.Value, systemCore.Value, systemAssembly.Value, systemXmlLinq.Value
};
if (references != null)
{
refs.AddRange(references);
}
projContent = projContent.AddAssemblyReferences(refs);
// Parse => SyntaxTree
var syntaxTree = new CSharpParser().Parse(parsedText, "program.cs");
syntaxTree.Freeze();
var unresolvedFile = syntaxTree.ToTypeSystem();
// Add CSharpUnresolvedFile to CSharpProjectContent
projContent = projContent.AddOrUpdateFiles(unresolvedFile);
// Create a TypeSystem.ICompilation that allows resolving within the project.
var compilation = projContent.CreateCompilation();
var textCursorLocation = cursorPosition > 0 ? doc.GetLocation(cursorPosition) : new TextLocation(1, 1);
#region Create and Refine the type resolution context as much as possible
var typeResolveContext = new CSharpTypeResolveContext(compilation.MainAssembly);
typeResolveContext = typeResolveContext.WithUsingScope(unresolvedFile.GetUsingScope(textCursorLocation).Resolve(compilation));
var curDef = 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
// Cool! Marry the concept of content & typed
var completionContext = new DefaultCompletionContextProvider(doc, unresolvedFile);
#region Add Preprocessor Symbols
completionContext.AddSymbol("TEST");
foreach (var sym in syntaxTree.ConditionalSymbols)
{
completionContext.AddSymbol(sym);
}
#endregion
var engine = new CSharpCompletionEngine(doc, completionContext, new TestCompletionDataFactory(new CSharpResolver(typeResolveContext)), projContent, typeResolveContext);
engine.EolMarker = Environment.NewLine;
engine.FormattingPolicy = FormattingOptionsFactory.CreateMono();
return(engine);
}
public static void CreateCompilation (string parsedText, out IProjectContent pctx, out SyntaxTree syntaxTree, out CSharpUnresolvedFile unresolvedFile, bool expectErrors, params IUnresolvedAssembly[] references)
{
pctx = new CSharpProjectContent();
var refs = new List<IUnresolvedAssembly> { mscorlib.Value, systemCore.Value, systemAssembly.Value, systemXmlLinq.Value };
if (references != null)
refs.AddRange (references);
pctx = pctx.AddAssemblyReferences(refs);
syntaxTree = new CSharpParser().Parse(parsedText, "program.cs");
syntaxTree.Freeze();
if (!expectErrors && syntaxTree.Errors.Count > 0) {
Console.WriteLine ("----");
Console.WriteLine (parsedText);
Console.WriteLine ("----");
foreach (var error in syntaxTree.Errors)
Console.WriteLine (error.Message);
Assert.Fail ("Parse error.");
}
unresolvedFile = syntaxTree.ToTypeSystem();
pctx = pctx.AddOrUpdateFiles(unresolvedFile);
}
internal static IParameterDataProvider CreateProvider(string text)
{
string parsedText;
string editorText;
int cursorPosition = text.IndexOf('$');
int endPos = text.IndexOf('$', cursorPosition + 1);
if (endPos == -1) {
parsedText = editorText = text.Substring(0, cursorPosition) + text.Substring(cursorPosition + 1);
} else {
parsedText = text.Substring(0, cursorPosition) + new string(' ', endPos - cursorPosition) + text.Substring(endPos + 1);
editorText = text.Substring(0, cursorPosition) + text.Substring(cursorPosition + 1, endPos - cursorPosition - 1) + text.Substring(endPos + 1);
cursorPosition = endPos - 1;
}
var doc = new ReadOnlyDocument(editorText);
IProjectContent pctx = new CSharpProjectContent();
pctx = pctx.AddAssemblyReferences(new [] { CecilLoaderTests.Mscorlib, CecilLoaderTests.SystemCore });
var syntaxTree = new CSharpParser().Parse(parsedText, "program.cs");
syntaxTree.Freeze();
var unresolvedFile = syntaxTree.ToTypeSystem();
pctx = pctx.AddOrUpdateFiles(unresolvedFile);
var cmp = pctx.CreateCompilation();
var loc = doc.GetLocation(cursorPosition);
var rctx = new CSharpTypeResolveContext(cmp.MainAssembly);
rctx = rctx.WithUsingScope(unresolvedFile.GetUsingScope(loc).Resolve(cmp));
var curDef = unresolvedFile.GetInnermostTypeDefinition(loc);
if (curDef != null) {
rctx = rctx.WithCurrentTypeDefinition(curDef.Resolve(rctx).GetDefinition());
var curMember = unresolvedFile.GetMember(loc);
if (curMember != null) {
rctx = rctx.WithCurrentMember(curMember.CreateResolved(rctx));
}
}
var mb = new DefaultCompletionContextProvider(doc, unresolvedFile);
var engine = new CSharpParameterCompletionEngine (doc, mb, new TestFactory (pctx), pctx, rctx);
return engine.GetParameterDataProvider (cursorPosition, doc.GetCharAt (cursorPosition - 1));
}
public static CSharpCompletionEngine CreateEngine(string text, out int cursorPosition, params IUnresolvedAssembly[] references)
{
string parsedText;
string editorText;
cursorPosition = text.IndexOf('$');
int endPos = text.IndexOf('$', cursorPosition + 1);
if (endPos == -1) {
if (cursorPosition < 0) {
parsedText = editorText = text;
} else {
parsedText = editorText = text.Substring(0, cursorPosition) + text.Substring(cursorPosition + 1);
}
} else {
parsedText = text.Substring(0, cursorPosition) + new string(' ', endPos - cursorPosition) + text.Substring(endPos + 1);
editorText = text.Substring(0, cursorPosition) + text.Substring(cursorPosition + 1, endPos - cursorPosition - 1) + text.Substring(endPos + 1);
cursorPosition = endPos - 1;
}
var doc = new ReadOnlyDocument(editorText);
IProjectContent pctx = new CSharpProjectContent();
var refs = new List<IUnresolvedAssembly> { mscorlib.Value, systemCore.Value, systemAssembly.Value, systemXmlLinq.Value };
if (references != null)
refs.AddRange (references);
pctx = pctx.AddAssemblyReferences(refs);
var syntaxTree = new CSharpParser().Parse(parsedText, "program.cs");
syntaxTree.Freeze();
var unresolvedFile = syntaxTree.ToTypeSystem();
pctx = pctx.AddOrUpdateFiles(unresolvedFile);
var cmp = pctx.CreateCompilation();
var loc = cursorPosition > 0 ? doc.GetLocation(cursorPosition) : new TextLocation (1, 1);
var rctx = new CSharpTypeResolveContext(cmp.MainAssembly);
rctx = rctx.WithUsingScope(unresolvedFile.GetUsingScope(loc).Resolve(cmp));
var curDef = unresolvedFile.GetInnermostTypeDefinition(loc);
if (curDef != null) {
var resolvedDef = curDef.Resolve(rctx).GetDefinition();
rctx = rctx.WithCurrentTypeDefinition(resolvedDef);
var curMember = resolvedDef.Members.FirstOrDefault(m => m.Region.Begin <= loc && loc < m.BodyRegion.End);
if (curMember != null) {
rctx = rctx.WithCurrentMember(curMember);
}
}
var mb = new DefaultCompletionContextProvider(doc, unresolvedFile);
mb.AddSymbol ("TEST");
var engine = new CSharpCompletionEngine(doc, mb, new TestFactory(new CSharpResolver (rctx)), pctx, rctx);
engine.EolMarker = Environment.NewLine;
engine.FormattingPolicy = FormattingOptionsFactory.CreateMono();
return engine;
}