public IMethod ResolveConstructor(ITypeResolveContext context)
{
CSharpResolver r = new CSharpResolver(context);
IType type = attributeType.Resolve(context);
int totalArgumentCount = 0;
if (positionalArguments != null)
totalArgumentCount += positionalArguments.Count;
if (namedCtorArguments != null)
totalArgumentCount += namedCtorArguments.Count;
ResolveResult[] arguments = new ResolveResult[totalArgumentCount];
string[] argumentNames = new string[totalArgumentCount];
int i = 0;
if (positionalArguments != null) {
while (i < positionalArguments.Count) {
IConstantValue cv = positionalArguments[i];
arguments[i] = cv.Resolve(context);
i++;
}
}
if (namedCtorArguments != null) {
foreach (var pair in namedCtorArguments) {
argumentNames[i] = pair.Key;
arguments[i] = pair.Value.Resolve(context);
i++;
}
}
MemberResolveResult mrr = r.ResolveObjectCreation(type, arguments, argumentNames) as MemberResolveResult;
return mrr != null ? mrr.Member as IMethod : null;
}
public override IEntity ResolveCref(string cref)
{
if (cref.Length > 2 && cref[1] == ':') {
// resolve ID string
return base.ResolveCref(cref);
}
var documentationReference = new CSharpParser().ParseDocumentationReference(cref);
var csharpContext = context as CSharpTypeResolveContext;
CSharpResolver resolver;
if (csharpContext != null) {
resolver = new CSharpResolver(csharpContext);
} else {
resolver = new CSharpResolver(context.Compilation);
}
var astResolver = new CSharpAstResolver(resolver, documentationReference);
var rr = astResolver.Resolve(documentationReference);
MemberResolveResult mrr = rr as MemberResolveResult;
if (mrr != null)
return mrr.Member;
TypeResolveResult trr = rr as TypeResolveResult;
if (trr != null)
return trr.Type.GetDefinition();
return null;
}
/// <summary>
/// Creates a new TypeSystemAstBuilder.
/// </summary>
/// <param name="resolver">
/// A resolver initialized for the position where the type will be inserted.
/// </param>
public TypeSystemAstBuilder(CSharpResolver resolver)
{
if (resolver == null)
throw new ArgumentNullException("resolver");
this.resolver = resolver;
InitProperties();
}
protected string GetShortType (IType type)
{
if (builder == null) {
var ctx = ext.CSharpUnresolvedFile.GetTypeResolveContext (ext.UnresolvedFileCompilation, ext.Document.Editor.Caret.Location) as CSharpTypeResolveContext;
var state = new CSharpResolver (ctx);
builder = new TypeSystemAstBuilder (state);
var dt = state.CurrentTypeDefinition;
var declaring = ctx.CurrentTypeDefinition != null ? ctx.CurrentTypeDefinition.DeclaringTypeDefinition : null;
if (declaring != null) {
while (dt != null) {
if (dt.Equals (declaring)) {
builder.AlwaysUseShortTypeNames = true;
break;
}
dt = dt.DeclaringTypeDefinition;
}
}
}
try {
return GLib.Markup.EscapeText (builder.ConvertType(type).ToString (ext.FormattingPolicy.CreateOptions ()));
} catch (Exception e) {
LoggingService.LogError ("Exception while getting short type.", e);
return "";
}
}
public CSharpCompletionDataFactory(CSharpCompletionContext completionContext, CSharpResolver contextAtCaret)
{
Debug.Assert(completionContext != null);
Debug.Assert(contextAtCaret != null);
this.completionContext = completionContext;
this.contextAtCaret = contextAtCaret;
this.builder = new TypeSystemAstBuilder(contextAtCaret);
}
public override ResolveResult Resolve(CSharpResolver resolver)
{
ResolveResult targetRR = target.Resolve(resolver);
if (targetRR.IsError)
return targetRR;
IList<IType> typeArgs = typeArguments.Resolve(resolver.CurrentTypeResolveContext);
return resolver.ResolveMemberAccess(targetRR, identifier, typeArgs, lookupMode);
}
public OverrideCompletionData(int declarationBegin, IMember m, CSharpResolver contextAtCaret)
: base(m)
{
this.declarationBegin = declarationBegin;
this.contextAtCaret = contextAtCaret;
var ambience = new CSharpAmbience();
ambience.ConversionFlags = ConversionFlags.ShowTypeParameterList | ConversionFlags.ShowParameterList | ConversionFlags.ShowParameterNames;
this.CompletionText = ambience.ConvertSymbol(m);
}
public static ResolveResult Resolve(ICompilation compilation, CSharpParsedFile parsedFile, CompilationUnit cu, TextLocation location,
CancellationToken cancellationToken = default(CancellationToken))
{
AstNode node = cu.GetNodeAt(location);
if (node == null)
return null;
AstNode resolvableNode;
if (node is AstType) {
resolvableNode = node;
if (resolvableNode.Parent is ComposedType) {
while (resolvableNode.Parent is ComposedType)
resolvableNode = resolvableNode.Parent;
//node is preffered over the resolvable node. Which shouldn't be done in the case of nullables, arrays etc.
node = resolvableNode;
}
} else if (node is Identifier) {
resolvableNode = node.Parent;
} else if (node.NodeType == NodeType.Token) {
if (node.Parent is ConstructorInitializer) {
resolvableNode = node.Parent;
} else {
return null;
}
} else {
// don't resolve arbitrary nodes - we don't want to show tooltips for everything
return null;
}
if (resolvableNode != null && resolvableNode.Parent is ObjectCreateExpression) {
resolvableNode = resolvableNode.Parent;
}
InvocationExpression parentInvocation = null;
if ((resolvableNode is IdentifierExpression || resolvableNode is MemberReferenceExpression || resolvableNode is PointerReferenceExpression)) {
// we also need to resolve the invocation
parentInvocation = resolvableNode.Parent as InvocationExpression;
}
IResolveVisitorNavigator navigator;
if (parentInvocation != null)
navigator = new NodeListResolveVisitorNavigator(new[] { resolvableNode, parentInvocation });
else
navigator = new NodeListResolveVisitorNavigator(new[] { resolvableNode });
CSharpResolver resolver = new CSharpResolver(compilation);
ResolveVisitor v = new ResolveVisitor(resolver, parsedFile, navigator);
v.Scan(cu);
// Prefer the RR from the token itself, if it was assigned a ResolveResult
// (this can happen with the identifiers in various nodes such as catch clauses or foreach statements)
ResolveResult rr = v.GetResolveResult(node) ?? v.GetResolveResult(resolvableNode);
if (rr is MethodGroupResolveResult && parentInvocation != null)
return v.GetResolveResult(parentInvocation);
else
return rr;
}
/// <summary>
/// Creates a new C# AST resolver.
/// </summary>
/// <param name="resolver">The resolver state at the root node.</param>
/// <param name="rootNode">The root node of the resolved tree.</param>
/// <param name="parsedFile">The parsed file for the nodes being resolved. This parameter is used only
/// when the root node is on the type level; it is not necessary when an expression is passed.
/// This parameter may be null.</param>
public CSharpAstResolver(CSharpResolver resolver, AstNode rootNode, CSharpParsedFile parsedFile = null)
{
if (resolver == null)
throw new ArgumentNullException("resolver");
if (rootNode == null)
throw new ArgumentNullException("rootNode");
this.initialResolverState = resolver;
this.rootNode = rootNode;
this.parsedFile = parsedFile;
}
public EventCreationCompletionData(string handlerName, IType delegateType, IEvent evt, string parameterList, IUnresolvedMember callingMember, IUnresolvedTypeDefinition declaringType, CSharpResolver contextAtCaret)
{
if (string.IsNullOrEmpty(handlerName)) {
handlerName = (evt != null ? evt.Name : "Handle");
}
this.handlerName = handlerName;
this.DisplayText = StringParser.Parse("${res:CSharpBinding.Refactoring.EventCreation.EventHandlerText}", new[] { new StringTagPair("HandlerName", handlerName) });
this.delegateTypeReference = delegateType.ToTypeReference();
this.isStatic = callingMember != null && callingMember.IsStatic;
}
public EventCreationCompletionData(string handlerName, IType delegateType, IEvent evt, string parameterList, IUnresolvedMember callingMember, IUnresolvedTypeDefinition declaringType, CSharpResolver contextAtCaret)
{
if (string.IsNullOrEmpty(handlerName)) {
handlerName = (evt != null ? evt.Name : "Handle");
}
this.handlerName = handlerName;
this.DisplayText = "<Create " + handlerName + ">";
this.delegateTypeReference = delegateType.ToTypeReference();
this.isStatic = callingMember != null && callingMember.IsStatic;
}
public SignatureMarkupCreator (CSharpResolver resolver, CSharpFormattingOptions formattingOptions)
{
this.colorStyle = SyntaxModeService.GetColorStyle (MonoDevelop.Ide.IdeApp.Preferences.ColorScheme);
this.resolver = resolver;
this.astBuilder = new TypeSystemAstBuilder (resolver) {
ConvertUnboundTypeArguments = true,
UseAliases = false
};
this.formattingOptions = formattingOptions;
}
public ResolveResult DoResolve(ITypeResolveContext context)
{
CSharpResolver r = new CSharpResolver(context);
r.CurrentTypeDefinition = parentTypeDefinition;
r.UsingScope = parentUsingScope;
IType[] typeArgs = new IType[typeArguments.Count];
for (int i = 0; i < typeArgs.Length; i++) {
typeArgs[i] = typeArguments[i].Resolve(context);
}
return r.LookupSimpleNameOrTypeName(identifier, typeArgs, lookupMode);
}
public ResolveResult DoResolve(ITypeResolveContext context)
{
CSharpResolver r = new CSharpResolver(context);
r.CurrentTypeDefinition = parentTypeDefinition != null ? parentTypeDefinition.GetCompoundClass() : null;
r.UsingScope = parentUsingScope;
IType[] typeArgs = new IType[typeArguments.Count];
for (int i = 0; i < typeArgs.Length; i++) {
typeArgs[i] = typeArguments[i].Resolve(context);
}
return r.LookupSimpleNamespaceOrTypeName(identifier, typeArgs, isInUsingDeclaration);
}
/// <summary>
/// Creates a new C# AST resolver.
/// Use this overload if you are resolving within a complete C# file.
/// </summary>
/// <param name="compilation">The current compilation.</param>
/// <param name="syntaxTree">The syntax tree to be resolved.</param>
/// <param name="unresolvedFile">
/// Optional: Result of <see cref="SyntaxTree.ToTypeSystem()"/> for the file being resolved.
/// <para>
/// This is used for setting up the context on the resolver. The unresolved file must be registered in the compilation.
/// </para>
/// <para>
/// When a unresolvedFile is specified, the resolver will use the member's StartLocation/EndLocation to identify
/// member declarations in the AST with members in the type system.
/// When no unresolvedFile is specified (<c>null</c> value for this parameter), the resolver will instead compare the
/// member's signature in the AST with the signature in the type system.
/// </para>
/// </param>
public CSharpAstResolver(ICompilation compilation, SyntaxTree syntaxTree, CSharpUnresolvedFile unresolvedFile = null)
{
if (compilation == null)
throw new ArgumentNullException("compilation");
if (syntaxTree == null)
throw new ArgumentNullException("syntaxTree");
this.initialResolverState = new CSharpResolver(compilation);
this.rootNode = syntaxTree;
this.unresolvedFile = unresolvedFile;
this.resolveVisitor = new ResolveVisitor(initialResolverState, unresolvedFile);
}
/// <summary>
/// Creates a new C# AST resolver.
/// Use this overload if you are resolving within a complete C# file.
/// </summary>
/// <param name="compilation">The current compilation.</param>
/// <param name="compilationUnit">The compilation unit corresponding to the specified parsed file.</param>
/// <param name="parsedFile">
/// Optional: Result of the <see cref="TypeSystemConvertVisitor"/> for the file being resolved.
/// <para>
/// This is used for setting up the context on the resolver. The parsed file must be registered in the compilation.
/// </para>
/// <para>
/// When a parsedFile is specified, the resolver will use the member's StartLocation/EndLocation to identify
/// member declarations in the AST with members in the type system.
/// When no parsedFile is specified (<c>null</c> value for this parameter), the resolver will instead compare the
/// member's signature in the AST with the signature in the type system.
/// </para>
/// </param>
public CSharpAstResolver(ICompilation compilation, CompilationUnit compilationUnit, CSharpParsedFile parsedFile = null)
{
if (compilation == null)
throw new ArgumentNullException("compilation");
if (compilationUnit == null)
throw new ArgumentNullException("compilationUnit");
this.initialResolverState = new CSharpResolver(compilation);
this.rootNode = compilationUnit;
this.parsedFile = parsedFile;
this.resolveVisitor = new ResolveVisitor(initialResolverState, parsedFile);
}
string ConvertHelper(AstNode node, Action<CSharpCodeProvider, CodeObject, TextWriter, CodeGeneratorOptions> action)
{
CSharpResolver resolver = new CSharpResolver(compilation);
resolver = resolver.WithCurrentUsingScope(unresolvedFile.RootUsingScope.Resolve(compilation));
resolver = resolver.WithCurrentTypeDefinition(compilation.FindType(KnownTypeCode.Object).GetDefinition());
var codeObj = convertVisitor.Convert(node, new CSharpAstResolver(resolver, node));
StringWriter writer = new StringWriter();
writer.NewLine = " ";
action(new CSharpCodeProvider(), codeObj, writer, new CodeGeneratorOptions { IndentString = " " });
return Regex.Replace(writer.ToString(), @"\s+", " ").Trim();
}
public override ResolveResult Resolve(CSharpResolver resolver)
{
ResolveResult[] elements = new ResolveResult[arrayElements.Count];
for (int i = 0; i < elements.Length; i++) {
elements[i] = arrayElements[i].Resolve(resolver);
}
if (elementType != null) {
return resolver.ResolveArrayCreation(elementType.Resolve(resolver.CurrentTypeResolveContext), 1, null, elements);
} else {
return resolver.ResolveArrayCreation(null, 1, null, elements);
}
}
string Convert(Expression expr)
{
CSharpResolver resolver = new CSharpResolver(compilation);
resolver = resolver.WithCurrentUsingScope(parsedFile.RootUsingScope.Resolve(compilation));
resolver = resolver.WithCurrentTypeDefinition(compilation.FindType(KnownTypeCode.Object).GetDefinition());
var codeExpr = (CodeExpression)convertVisitor.Convert(expr, new CSharpAstResolver(resolver, expr, parsedFile));
StringWriter writer = new StringWriter();
writer.NewLine = " ";
new CSharpCodeProvider().GenerateCodeFromExpression(codeExpr, writer, new CodeGeneratorOptions { IndentString = " " });
return Regex.Replace(writer.ToString(), @"\s+", " ");
}
public ImportCompletionData(ITypeDefinition typeDef, CSharpResolver contextAtCaret, bool useFullName)
: base(typeDef)
{
this.Description = "using " + typeDef.Namespace + ";";
if (useFullName) {
var astBuilder = new TypeSystemAstBuilder(contextAtCaret);
insertionText = astBuilder.ConvertType(typeDef).ToString();
} else {
insertionText = typeDef.Name;
insertUsing = typeDef.Namespace;
}
}
public EventCreationCompletionData(string varName, IType delegateType, IEvent evt, string parameterList, IUnresolvedMember callingMember, IUnresolvedTypeDefinition declaringType, CSharpResolver contextAtCaret) : base(evt)
{
if (string.IsNullOrEmpty(varName)) {
this.DisplayText = "Create handler for " + (evt != null ? evt.Name : "");
}
else {
this.DisplayText = "Create handler for " + char.ToUpper(varName[0]) + varName.Substring(1) + (evt != null ? evt.Name : "");
}
this.DisplayText = "<" + this.DisplayText + ">";
this.eventDefinition = evt;
this.delegateType = delegateType;
}
public ResolveResult DoResolve(ITypeResolveContext context)
{
ResolveResult targetRR = target.DoResolve(context);
if (targetRR.IsError)
return targetRR;
CSharpResolver r = new CSharpResolver(context);
r.CurrentTypeDefinition = parentTypeDefinition != null ? parentTypeDefinition.GetCompoundClass() : null;
r.UsingScope = parentUsingScope;
IType[] typeArgs = new IType[typeArguments.Count];
for (int i = 0; i < typeArgs.Length; i++) {
typeArgs[i] = typeArguments[i].Resolve(context);
}
return r.ResolveMemberAccess(targetRR, identifier, typeArgs, false);
}
public override ResolveResult Resolve(CSharpResolver resolver)
{
ResolveResult targetRR = target.Resolve(resolver);
if (targetRR.IsError)
return targetRR;
IList<IType> typeArgs = typeArguments.Resolve(resolver.CurrentTypeResolveContext);
using (var busyLock = BusyManager.Enter(this)) {
if (busyLock.Success) {
return resolver.ResolveMemberAccess(targetRR, identifier, typeArgs, lookupMode);
} else {
// This can happen for "class Test : $Test.Base$ { public class Base {} }":
return ErrorResolveResult.UnknownError; // don't cache this error
}
}
}
public ResolveResult DoResolve(ITypeResolveContext context)
{
CacheManager cacheManager = context.CacheManager;
if (cacheManager != null) {
ResolveResult cachedResult = cacheManager.GetShared(this) as ResolveResult;
if (cachedResult != null)
return cachedResult;
}
CSharpResolver r = new CSharpResolver(context);
r.CurrentTypeDefinition = parentTypeDefinition;
r.CurrentUsingScope = parentUsingScope;
IType[] typeArgs = new IType[typeArguments.Count];
for (int i = 0; i < typeArgs.Length; i++) {
typeArgs[i] = typeArguments[i].Resolve(context);
}
ResolveResult rr = r.LookupSimpleNameOrTypeName(identifier, typeArgs, lookupMode);
if (cacheManager != null)
cacheManager.SetShared(this, rr);
return rr;
}
/// <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>
public CSharpCompletionContext(IDocument document, int offset, IProjectContent projectContent, string usings = null)
{
OriginalDocument = document;
OriginalOffset = offset;
//if the document is a c# script we have to soround the document with some code.
Document = PrepareCompletionDocument(document, ref offset, usings);
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);
}
/// <summary>
/// Gets the resolver state immediately after the specified node.
/// That is, if the node is a variable declaration, the returned state will include the newly declared variable.
/// </summary>
public CSharpResolver GetResolverStateAfter(AstNode node, CancellationToken cancellationToken = default(CancellationToken))
{
if (node == null || node.IsNull)
{
throw new ArgumentNullException("node");
}
while (node != null && IsUnresolvableNode(node))
{
node = node.Parent;
}
if (node == null)
{
return(initialResolverState);
}
InitResolver();
resolveVisitor.cancellationToken = cancellationToken;
try {
CSharpResolver resolver = resolveVisitor.GetResolverStateAfter(node);
Debug.Assert(resolver != null);
return(resolver);
} finally {
resolveVisitor.cancellationToken = CancellationToken.None;
}
}
public static ResolveResult Resolve(ITypeResolveContext context, CSharpParsedFile parsedFile, CompilationUnit cu, TextLocation location,
CancellationToken cancellationToken = default(CancellationToken))
{
AstNode node = cu.GetNodeAt(location);
if (node == null)
{
return(null);
}
AstNode resolvableNode;
if (node is AstType)
{
resolvableNode = node;
if (resolvableNode.Parent is ComposedType)
{
while (resolvableNode.Parent is ComposedType)
{
resolvableNode = resolvableNode.Parent;
}
//node is preffered over the resolvable node. Which shouldn't be done in the case of nullables, arrays etc.
node = resolvableNode;
}
}
else if (node is Identifier)
{
resolvableNode = node.Parent;
}
else if (node.NodeType == NodeType.Token)
{
if (node.Parent is ConstructorInitializer)
{
resolvableNode = node.Parent;
}
else
{
return(null);
}
}
else
{
// don't resolve arbitrary nodes - we don't want to show tooltips for everything
return(null);
}
InvocationExpression parentInvocation = null;
if ((resolvableNode is IdentifierExpression || resolvableNode is MemberReferenceExpression || resolvableNode is PointerReferenceExpression))
{
// we also need to resolve the invocation
parentInvocation = resolvableNode.Parent as InvocationExpression;
}
IResolveVisitorNavigator navigator;
if (parentInvocation != null)
{
navigator = new NodeListResolveVisitorNavigator(new[] { resolvableNode, parentInvocation });
}
else
{
navigator = new NodeListResolveVisitorNavigator(new[] { resolvableNode });
}
using (var ctx = context.Synchronize()) {
CSharpResolver resolver = new CSharpResolver(ctx, cancellationToken);
ResolveVisitor v = new ResolveVisitor(resolver, parsedFile, navigator);
v.Scan(cu);
// Prefer the RR from the token itself, if it was assigned a ResolveResult
// (this can happen with the identifiers in various nodes such as catch clauses or foreach statements)
ResolveResult rr = v.GetResolveResult(node) ?? v.GetResolveResult(resolvableNode);
if (rr is MethodGroupResolveResult && parentInvocation != null)
{
return(v.GetResolveResult(parentInvocation));
}
else
{
return(rr);
}
}
}
public ObjectInitializerContext(IType type, CSharpResolver.ObjectInitializerContext prev)
{
this.type = type;
this.prev = prev;
}
public virtual object Invoke(CSharpResolver resolver, object lhs, object rhs)
{
throw new NotSupportedException();
}
/// <summary>
/// Creates a new C# AST resolver.
/// Use this overload if you are resolving code snippets (not necessarily complete files).
/// </summary>
/// <param name="resolver">The resolver state at the root node (to be more precise: just outside the root node).</param>
/// <param name="rootNode">The root node of the tree to be resolved.</param>
/// <param name="unresolvedFile">
/// Optional: Result of <see cref="SyntaxTree.ToTypeSystem()"/> for the file being resolved.
/// <para>
/// This is used for setting up the context on the resolver. The unresolved file must be registered in the compilation.
/// </para>
/// <para>
/// When a unresolvedFile is specified, the resolver will use the member's StartLocation/EndLocation to identify
/// member declarations in the AST with members in the type system.
/// When no unresolvedFile is specified (<c>null</c> value for this parameter), the resolver will instead compare the
/// member's signature in the AST with the signature in the type system.
/// </para>
/// </param>
public CSharpAstResolver(CSharpResolver resolver, AstNode rootNode, CSharpUnresolvedFile unresolvedFile = null)
{
if (resolver == null)
throw new ArgumentNullException("resolver");
if (rootNode == null)
throw new ArgumentNullException("rootNode");
this.initialResolverState = resolver;
this.rootNode = rootNode;
this.unresolvedFile = unresolvedFile;
this.resolveVisitor = new ResolveVisitor(initialResolverState, unresolvedFile);
}
IEnumerable<ICompletionData> MagicKeyCompletion(char completionChar, bool controlSpace, out bool isComplete)
{
isComplete = false;
ExpressionResolveResult resolveResult;
switch (completionChar) {
// Magic key completion
case ':':
var text = GetMemberTextToCaret();
var lexer = new MiniLexer(text.Item1);
lexer.Parse();
if (lexer.IsInSingleComment ||
lexer.IsInChar ||
lexer.IsInMultiLineComment ||
lexer.IsInPreprocessorDirective) {
return Enumerable.Empty<ICompletionData>();
}
if (lexer.IsInString || lexer.IsInVerbatimString)
return HandleStringFormatItems();
return HandleMemberReferenceCompletion(GetExpressionBeforeCursor());
case '"':
text = GetMemberTextToCaret();
lexer = new MiniLexer(text.Item1);
lexer.Parse();
if (lexer.IsInSingleComment ||
lexer.IsInChar ||
lexer.IsInMultiLineComment ||
lexer.IsInPreprocessorDirective) {
return Enumerable.Empty<ICompletionData>();
}
if (lexer.IsInString || lexer.IsInVerbatimString)
return HandleToStringFormatItems();
return Enumerable.Empty<ICompletionData>();
case '.':
if (IsInsideCommentStringOrDirective()) {
return Enumerable.Empty<ICompletionData>();
}
return HandleMemberReferenceCompletion(GetExpressionBeforeCursor());
case '#':
if (!IsInPreprocessorDirective())
return null;
return GetDirectiveCompletionData();
// XML doc completion
case '<':
if (IsInsideDocComment()) {
return GetXmlDocumentationCompletionData();
}
if (controlSpace) {
return DefaultControlSpaceItems(ref isComplete);
}
return null;
case '>':
if (!IsInsideDocComment()) {
if (offset > 2 && document.GetCharAt(offset - 2) == '-' && !IsInsideCommentStringOrDirective()) {
return HandleMemberReferenceCompletion(GetExpressionBeforeCursor());
}
return null;
}
return null;
// Parameter completion
case '(':
if (IsInsideCommentStringOrDirective()) {
return null;
}
var invoke = GetInvocationBeforeCursor(true);
if (invoke == null) {
if (controlSpace)
return DefaultControlSpaceItems(ref isComplete, invoke);
return null;
}
if (invoke.Node is TypeOfExpression) {
return CreateTypeList();
}
var invocationResult = ResolveExpression(invoke);
if (invocationResult == null) {
return null;
}
var methodGroup = invocationResult.Result as MethodGroupResolveResult;
if (methodGroup != null) {
return CreateParameterCompletion(
methodGroup,
invocationResult.Resolver,
invoke.Node,
invoke.Unit,
0,
controlSpace
);
}
if (controlSpace) {
return DefaultControlSpaceItems(ref isComplete, invoke);
}
return null;
case '=':
return controlSpace ? DefaultControlSpaceItems(ref isComplete) : null;
case ',':
int cpos2;
if (!GetParameterCompletionCommandOffset(out cpos2)) {
return null;
}
// completionContext = CompletionWidget.CreateCodeCompletionContext (cpos2);
// int currentParameter2 = MethodParameterDataProvider.GetCurrentParameterIndex (CompletionWidget, completionContext) - 1;
// return CreateParameterCompletion (CreateResolver (), location, ExpressionContext.MethodBody, provider.Methods, currentParameter);
break;
// Completion on space:
case ' ':
int tokenIndex = offset;
string token = GetPreviousToken(ref tokenIndex, false);
if (IsInsideCommentStringOrDirective()) {
return null;
}
// check propose name, for context <variable name> <ctrl+space> (but only in control space context)
//IType isAsType = null;
var isAsExpression = GetExpressionAt(offset);
if (controlSpace && isAsExpression != null && isAsExpression.Node is VariableDeclarationStatement && token != "new") {
var parent = isAsExpression.Node as VariableDeclarationStatement;
var proposeNameList = new CompletionDataWrapper(this);
if (parent.Variables.Count != 1)
return DefaultControlSpaceItems(ref isComplete, isAsExpression, controlSpace);
foreach (var possibleName in GenerateNameProposals (parent.Type)) {
if (possibleName.Length > 0) {
proposeNameList.Result.Add(factory.CreateLiteralCompletionData(possibleName.ToString()));
}
}
AutoSelect = false;
AutoCompleteEmptyMatch = false;
isComplete = true;
return proposeNameList.Result;
}
// int tokenIndex = offset;
// string token = GetPreviousToken (ref tokenIndex, false);
// if (result.ExpressionContext == ExpressionContext.ObjectInitializer) {
// resolver = CreateResolver ();
// ExpressionContext exactContext = new NewCSharpExpressionFinder (dom).FindExactContextForObjectInitializer (document, resolver.Unit, Document.FileName, resolver.CallingType);
// IReturnType objectInitializer = ((ExpressionContext.TypeExpressionContext)exactContext).UnresolvedType;
// if (objectInitializer != null && objectInitializer.ArrayDimensions == 0 && objectInitializer.PointerNestingLevel == 0 && (token == "{" || token == ","))
// return CreateCtrlSpaceCompletionData (completionContext, result);
// }
if (token == "=") {
int j = tokenIndex;
string prevToken = GetPreviousToken(ref j, false);
if (prevToken == "=" || prevToken == "+" || prevToken == "-" || prevToken == "!") {
token = prevToken + token;
tokenIndex = j;
}
}
switch (token) {
case "(":
case ",":
int cpos;
if (!GetParameterCompletionCommandOffset(out cpos)) {
break;
}
int currentParameter = GetCurrentParameterIndex(cpos - 1, this.offset) - 1;
if (currentParameter < 0) {
return null;
}
invoke = GetInvocationBeforeCursor(token == "(");
if (invoke == null) {
return null;
}
invocationResult = ResolveExpression(invoke);
if (invocationResult == null) {
return null;
}
methodGroup = invocationResult.Result as MethodGroupResolveResult;
if (methodGroup != null) {
return CreateParameterCompletion(
methodGroup,
invocationResult.Resolver,
invoke.Node,
invoke.Unit,
currentParameter,
controlSpace);
}
return null;
case "=":
case "==":
case "!=":
GetPreviousToken(ref tokenIndex, false);
var expressionOrVariableDeclaration = GetExpressionAt(tokenIndex);
if (expressionOrVariableDeclaration == null) {
return null;
}
resolveResult = ResolveExpression(expressionOrVariableDeclaration);
if (resolveResult == null) {
return null;
}
if (resolveResult.Result.Type.Kind == TypeKind.Enum) {
var wrapper = new CompletionDataWrapper(this);
AddContextCompletion(
wrapper,
resolveResult.Resolver,
expressionOrVariableDeclaration.Node);
AddEnumMembers(wrapper, resolveResult.Result.Type, resolveResult.Resolver);
AutoCompleteEmptyMatch = false;
return wrapper.Result;
}
//
// if (resolvedType.FullName == DomReturnType.Bool.FullName) {
// CompletionDataList completionList = new ProjectDomCompletionDataList ();
// CompletionDataCollector cdc = new CompletionDataCollector (this, dom, completionList, Document.CompilationUnit, resolver.CallingType, location);
// completionList.AutoCompleteEmptyMatch = false;
// cdc.Add ("true", "md-keyword");
// cdc.Add ("false", "md-keyword");
// resolver.AddAccessibleCodeCompletionData (result.ExpressionContext, cdc);
// return completionList;
// }
// if (resolvedType.ClassType == ClassType.Delegate && token == "=") {
// CompletionDataList completionList = new ProjectDomCompletionDataList ();
// string parameterDefinition = AddDelegateHandlers (completionList, resolvedType);
// string varName = GetPreviousMemberReferenceExpression (tokenIndex);
// completionList.Add (new EventCreationCompletionData (document, varName, resolvedType, null, parameterDefinition, resolver.CallingMember, resolvedType));
//
// CompletionDataCollector cdc = new CompletionDataCollector (this, dom, completionList, Document.CompilationUnit, resolver.CallingType, location);
// resolver.AddAccessibleCodeCompletionData (result.ExpressionContext, cdc);
// foreach (var data in completionList) {
// if (data is MemberCompletionData)
// ((MemberCompletionData)data).IsDelegateExpected = true;
// }
// return completionList;
// }
return null;
case "+=":
case "-=":
GetPreviousToken(ref tokenIndex, false);
expressionOrVariableDeclaration = GetExpressionAt(tokenIndex);
if (expressionOrVariableDeclaration == null) {
return null;
}
resolveResult = ResolveExpression(expressionOrVariableDeclaration);
if (resolveResult == null) {
return null;
}
var mrr = resolveResult.Result as MemberResolveResult;
if (mrr != null) {
var evt = mrr.Member as IEvent;
if (evt == null) {
return null;
}
var delegateType = evt.ReturnType;
if (delegateType.Kind != TypeKind.Delegate) {
return null;
}
var wrapper = new CompletionDataWrapper(this);
if (currentType != null) {
// bool includeProtected = DomType.IncludeProtected (dom, typeFromDatabase, resolver.CallingType);
foreach (var method in ctx.CurrentTypeDefinition.Methods) {
if (MatchDelegate(delegateType, method) /* && method.IsAccessibleFrom (dom, resolver.CallingType, resolver.CallingMember, includeProtected) &&*/) {
wrapper.AddMember(method);
// data.SetText (data.CompletionText + ";");
}
}
}
if (token == "+=") {
string parameterDefinition = AddDelegateHandlers(
wrapper,
delegateType
);
string varName = GetPreviousMemberReferenceExpression(tokenIndex);
wrapper.Result.Add(
factory.CreateEventCreationCompletionData(
varName,
delegateType,
evt,
parameterDefinition,
currentMember,
currentType)
);
}
return wrapper.Result;
}
return null;
case ":":
if (currentMember == null) {
token = GetPreviousToken(ref tokenIndex, false);
token = GetPreviousToken(ref tokenIndex, false);
if (token == "enum")
return HandleEnumContext();
var wrapper = new CompletionDataWrapper(this);
AddTypesAndNamespaces(
wrapper,
GetState(),
null,
t => {
if (currentType != null && currentType.ReflectionName.Equals(t.ReflectionName))
return null;
var def = t.GetDefinition();
if (def != null && t.Kind != TypeKind.Interface && (def.IsSealed ||def.IsStatic))
return null;
return t;
}
);
return wrapper.Result;
}
return null;
}
var keywordCompletion = HandleKeywordCompletion(tokenIndex, token);
if (keywordCompletion == null && controlSpace) {
goto default;
}
return keywordCompletion;
// Automatic completion
default:
if (IsInsideCommentStringOrDirective()) {
tokenIndex = offset;
token = GetPreviousToken(ref tokenIndex, false);
if (IsInPreprocessorDirective() && (token.Length == 1 && char.IsLetter(completionChar) || controlSpace)) {
while (token != null && document.GetCharAt(tokenIndex - 1) != '#') {
token = GetPreviousToken(ref tokenIndex, false);
}
if (token != null)
return HandleKeywordCompletion(tokenIndex, token);
}
return null;
}
char prevCh = offset > 2 ? document.GetCharAt(offset - 2) : ';';
char nextCh = offset < document.TextLength ? document.GetCharAt(offset) : ' ';
const string allowedChars = ";,.[](){}+-*/%^?:&|~!<>=";
if ((!Char.IsWhiteSpace(nextCh) && allowedChars.IndexOf(nextCh) < 0) || !(Char.IsWhiteSpace(prevCh) || allowedChars.IndexOf(prevCh) >= 0)) {
if (!controlSpace)
return null;
}
if (IsInLinqContext(offset)) {
if (!controlSpace && !(char.IsLetter(completionChar) || completionChar == '_')) {
return null;
}
tokenIndex = offset;
token = GetPreviousToken(ref tokenIndex, false);
// token last typed
if (!char.IsWhiteSpace(completionChar) && !linqKeywords.Contains(token)) {
token = GetPreviousToken(ref tokenIndex, false);
}
// token last typed
if (linqKeywords.Contains(token)) {
if (token == "from") {
// after from no auto code completion.
return null;
}
return DefaultControlSpaceItems(ref isComplete);
}
var dataList = new CompletionDataWrapper(this);
AddKeywords(dataList, linqKeywords);
return dataList.Result;
}
if (currentType != null && currentType.Kind == TypeKind.Enum) {
if (!char.IsLetter(completionChar))
return null;
return HandleEnumContext();
}
var contextList = new CompletionDataWrapper(this);
var identifierStart = GetExpressionAtCursor();
if (!(char.IsLetter(completionChar) || completionChar == '_') && (!controlSpace || identifierStart == null)) {
return controlSpace ? HandleAccessorContext() ?? DefaultControlSpaceItems(ref isComplete, identifierStart) : null;
}
if (identifierStart != null) {
if (identifierStart.Node is TypeParameterDeclaration) {
return null;
}
if (identifierStart.Node is MemberReferenceExpression) {
return HandleMemberReferenceCompletion(
new ExpressionResult(
((MemberReferenceExpression)identifierStart.Node).Target,
identifierStart.Unit
)
);
}
if (identifierStart.Node is Identifier) {
if (identifierStart.Node.Parent is GotoStatement)
return null;
// May happen in variable names
return controlSpace ? DefaultControlSpaceItems(ref isComplete, identifierStart) : null;
}
if (identifierStart.Node is VariableInitializer && location <= ((VariableInitializer)identifierStart.Node).NameToken.EndLocation) {
return controlSpace ? HandleAccessorContext() ?? DefaultControlSpaceItems(ref isComplete, identifierStart) : null;
}
if (identifierStart.Node is CatchClause) {
if (((CatchClause)identifierStart.Node).VariableNameToken.IsInside(location)) {
return null;
}
}
if (identifierStart.Node is AstType && identifierStart.Node.Parent is CatchClause) {
return HandleCatchClauseType(identifierStart);
}
var pDecl = identifierStart.Node as ParameterDeclaration;
if (pDecl != null && pDecl.Parent is LambdaExpression) {
return null;
}
}
// Do not pop up completion on identifier identifier (should be handled by keyword completion).
tokenIndex = offset - 1;
token = GetPreviousToken(ref tokenIndex, false);
if (token == "class" || token == "interface" || token == "struct" || token == "enum" || token == "namespace") {
// after these always follows a name
return null;
}
var keywordresult = HandleKeywordCompletion(tokenIndex, token);
if (keywordresult != null) {
return keywordresult;
}
if ((!Char.IsWhiteSpace(nextCh) && allowedChars.IndexOf(nextCh) < 0) || !(Char.IsWhiteSpace(prevCh) || allowedChars.IndexOf(prevCh) >= 0)) {
if (controlSpace)
return DefaultControlSpaceItems(ref isComplete, identifierStart);
}
int prevTokenIndex = tokenIndex;
var prevToken2 = GetPreviousToken(ref prevTokenIndex, false);
if (prevToken2 == "delegate") {
// after these always follows a name
return null;
}
if (identifierStart == null && !string.IsNullOrEmpty(token) && !IsInsideCommentStringOrDirective() && (prevToken2 == ";" || prevToken2 == "{" || prevToken2 == "}")) {
char last = token [token.Length - 1];
if (char.IsLetterOrDigit(last) || last == '_' || token == ">") {
return HandleKeywordCompletion(tokenIndex, token);
}
}
if (identifierStart == null) {
var accCtx = HandleAccessorContext();
if (accCtx != null) {
return accCtx;
}
return DefaultControlSpaceItems(ref isComplete, null, controlSpace);
}
CSharpResolver csResolver;
AstNode n = identifierStart.Node;
if (n.Parent is NamedArgumentExpression)
n = n.Parent;
if (n != null && n.Parent is AnonymousTypeCreateExpression) {
AutoSelect = false;
}
// new { b$ }
if (n is IdentifierExpression && n.Parent is AnonymousTypeCreateExpression)
return null;
// Handle foreach (type name _
if (n is IdentifierExpression) {
var prev = n.GetPrevNode() as ForeachStatement;
while (prev != null && prev.EmbeddedStatement is ForeachStatement)
prev = (ForeachStatement)prev.EmbeddedStatement;
if (prev != null && prev.InExpression.IsNull) {
if (IncludeKeywordsInCompletionList)
contextList.AddCustom("in");
return contextList.Result;
}
}
// Handle object/enumerable initialzer expressions: "new O () { P$"
if (n is IdentifierExpression && n.Parent is ArrayInitializerExpression && !(n.Parent.Parent is ArrayCreateExpression)) {
var result = HandleObjectInitializer(identifierStart.Unit, n);
if (result != null)
return result;
}
if (n != null && n.Parent is InvocationExpression ||
n.Parent is ParenthesizedExpression && n.Parent.Parent is InvocationExpression) {
if (n.Parent is ParenthesizedExpression)
n = n.Parent;
var invokeParent = (InvocationExpression)n.Parent;
var invokeResult = ResolveExpression(
invokeParent.Target
);
var mgr = invokeResult != null ? invokeResult.Result as MethodGroupResolveResult : null;
if (mgr != null) {
int idx = 0;
foreach (var arg in invokeParent.Arguments) {
if (arg == n) {
break;
}
idx++;
}
foreach (var method in mgr.Methods) {
if (idx < method.Parameters.Count && method.Parameters [idx].Type.Kind == TypeKind.Delegate) {
AutoSelect = false;
AutoCompleteEmptyMatch = false;
}
foreach (var p in method.Parameters) {
contextList.AddNamedParameterVariable(p);
}
}
idx++;
foreach (var list in mgr.GetEligibleExtensionMethods (true)) {
foreach (var method in list) {
if (idx < method.Parameters.Count && method.Parameters [idx].Type.Kind == TypeKind.Delegate) {
AutoSelect = false;
AutoCompleteEmptyMatch = false;
}
}
}
}
}
if (n != null && n.Parent is ObjectCreateExpression) {
var invokeResult = ResolveExpression(n.Parent);
var mgr = invokeResult != null ? invokeResult.Result as ResolveResult : null;
if (mgr != null) {
foreach (var constructor in mgr.Type.GetConstructors ()) {
foreach (var p in constructor.Parameters) {
contextList.AddVariable(p);
}
}
}
}
if (n is IdentifierExpression) {
var bop = n.Parent as BinaryOperatorExpression;
Expression evaluationExpr = null;
if (bop != null && bop.Right == n && (bop.Operator == BinaryOperatorType.Equality || bop.Operator == BinaryOperatorType.InEquality)) {
evaluationExpr = bop.Left;
}
// check for compare to enum case
if (evaluationExpr != null) {
resolveResult = ResolveExpression(evaluationExpr);
if (resolveResult != null && resolveResult.Result.Type.Kind == TypeKind.Enum) {
var wrapper = new CompletionDataWrapper(this);
AddContextCompletion(
wrapper,
resolveResult.Resolver,
evaluationExpr
);
AddEnumMembers(wrapper, resolveResult.Result.Type, resolveResult.Resolver);
AutoCompleteEmptyMatch = false;
return wrapper.Result;
}
}
}
if (n is Identifier && n.Parent is ForeachStatement) {
if (controlSpace) {
return DefaultControlSpaceItems(ref isComplete);
}
return null;
}
if (n is ArrayInitializerExpression) {
// check for new [] {...} expression -> no need to resolve the type there
var parent = n.Parent as ArrayCreateExpression;
if (parent != null && parent.Type.IsNull) {
return DefaultControlSpaceItems(ref isComplete);
}
var initalizerResult = ResolveExpression(n.Parent);
var concreteNode = identifierStart.Unit.GetNodeAt<IdentifierExpression>(location);
// check if we're on the right side of an initializer expression
if (concreteNode != null && concreteNode.Parent != null && concreteNode.Parent.Parent != null && concreteNode.Identifier != "a" && concreteNode.Parent.Parent is NamedExpression) {
return DefaultControlSpaceItems(ref isComplete);
}
if (initalizerResult != null && initalizerResult.Result.Type.Kind != TypeKind.Unknown) {
foreach (var property in initalizerResult.Result.Type.GetProperties ()) {
if (!property.IsPublic) {
continue;
}
var data = contextList.AddMember(property);
if (data != null)
data.DisplayFlags |= DisplayFlags.NamedArgument;
}
foreach (var field in initalizerResult.Result.Type.GetFields ()) {
if (!field.IsPublic) {
continue;
}
var data = contextList.AddMember(field);
if (data != null)
data.DisplayFlags |= DisplayFlags.NamedArgument;
}
return contextList.Result;
}
return DefaultControlSpaceItems(ref isComplete);
}
if (IsAttributeContext(n)) {
// add attribute targets
if (currentType == null) {
contextList.AddCustom("assembly");
contextList.AddCustom("module");
contextList.AddCustom("type");
} else {
contextList.AddCustom("param");
contextList.AddCustom("field");
contextList.AddCustom("property");
contextList.AddCustom("method");
contextList.AddCustom("event");
}
contextList.AddCustom("return");
}
if (n is MemberType) {
resolveResult = ResolveExpression(
((MemberType)n).Target
);
return CreateTypeAndNamespaceCompletionData(
location,
resolveResult.Result,
((MemberType)n).Target,
resolveResult.Resolver
);
}
if (n != null/* && !(identifierStart.Item2 is TypeDeclaration)*/) {
csResolver = new CSharpResolver(ctx);
var nodes = new List<AstNode>();
nodes.Add(n);
if (n.Parent is ICSharpCode.NRefactory.CSharp.Attribute) {
nodes.Add(n.Parent);
}
var astResolver = CompletionContextProvider.GetResolver(csResolver, identifierStart.Unit);
astResolver.ApplyNavigator(new NodeListResolveVisitorNavigator(nodes));
try {
csResolver = astResolver.GetResolverStateBefore(n);
} catch (Exception) {
csResolver = GetState();
}
// add attribute properties.
if (n.Parent is ICSharpCode.NRefactory.CSharp.Attribute) {
var rr = ResolveExpression(n.Parent);
if (rr != null)
AddAttributeProperties(contextList, rr.Result);
}
} else {
csResolver = GetState();
}
// identifier has already started with the first letter
offset--;
AddContextCompletion(
contextList,
csResolver,
identifierStart.Node
);
return contextList.Result;
// if (stub.Parent is BlockStatement)
// result = FindExpression (dom, completionContext, -1);
// if (result == null)
// return null;
// else if (result.ExpressionContext != ExpressionContext.IdentifierExpected) {
// triggerWordLength = 1;
// bool autoSelect = true;
// IType returnType = null;
// if ((prevCh == ',' || prevCh == '(') && GetParameterCompletionCommandOffset (out cpos)) {
// ctx = CompletionWidget.CreateCodeCompletionContext (cpos);
// NRefactoryParameterDataProvider dataProvider = ParameterCompletionCommand (ctx) as NRefactoryParameterDataProvider;
// if (dataProvider != null) {
// int i = dataProvider.GetCurrentParameterIndex (CompletionWidget, ctx) - 1;
// foreach (var method in dataProvider.Methods) {
// if (i < method.Parameters.Count) {
// returnType = dom.GetType (method.Parameters [i].ReturnType);
// autoSelect = returnType == null || returnType.ClassType != ClassType.Delegate;
// break;
// }
// }
// }
// }
// // Bug 677531 - Auto-complete doesn't always highlight generic parameter in method signature
// //if (result.ExpressionContext == ExpressionContext.TypeName)
// // autoSelect = false;
// CompletionDataList dataList = CreateCtrlSpaceCompletionData (completionContext, result);
// AddEnumMembers (dataList, returnType);
// dataList.AutoSelect = autoSelect;
// return dataList;
// } else {
// result = FindExpression (dom, completionContext, 0);
// tokenIndex = offset;
//
// // check foreach case, unfortunately the expression finder is too dumb to handle full type names
// // should be overworked if the expression finder is replaced with a mcs ast based analyzer.
// var possibleForeachToken = GetPreviousToken (ref tokenIndex, false); // starting letter
// possibleForeachToken = GetPreviousToken (ref tokenIndex, false); // varname
//
// // read return types to '(' token
// possibleForeachToken = GetPreviousToken (ref tokenIndex, false); // varType
// if (possibleForeachToken == ">") {
// while (possibleForeachToken != null && possibleForeachToken != "(") {
// possibleForeachToken = GetPreviousToken (ref tokenIndex, false);
// }
// } else {
// possibleForeachToken = GetPreviousToken (ref tokenIndex, false); // (
// if (possibleForeachToken == ".")
// while (possibleForeachToken != null && possibleForeachToken != "(")
// possibleForeachToken = GetPreviousToken (ref tokenIndex, false);
// }
// possibleForeachToken = GetPreviousToken (ref tokenIndex, false); // foreach
//
// if (possibleForeachToken == "foreach") {
// result.ExpressionContext = ExpressionContext.ForeachInToken;
// } else {
// return null;
// // result.ExpressionContext = ExpressionContext.IdentifierExpected;
// }
// result.Expression = "";
// result.Region = DomRegion.Empty;
//
// return CreateCtrlSpaceCompletionData (completionContext, result);
// }
// break;
}
return null;
}
public OverrideToStringCompletionData(int declarationBegin, IMember m, CSharpResolver contextAtCaret)
: base(declarationBegin, m, contextAtCaret)
{
}
IEnumerable<ICompletionData> CreateCompletionData(TextLocation location, ResolveResult resolveResult, AstNode resolvedNode, CSharpResolver state, Func<IType, IType> typePred = null)
{
if (resolveResult == null /* || resolveResult.IsError*/) {
return null;
}
var lookup = new MemberLookup(
ctx.CurrentTypeDefinition,
Compilation.MainAssembly
);
if (resolveResult is NamespaceResolveResult) {
var nr = (NamespaceResolveResult)resolveResult;
var namespaceContents = new CompletionDataWrapper(this);
foreach (var cl in nr.Namespace.Types) {
if (!lookup.IsAccessible(cl, false))
continue;
IType addType = typePred != null ? typePred(cl) : cl;
if (addType != null)
namespaceContents.AddType(addType, false);
}
foreach (var ns in nr.Namespace.ChildNamespaces) {
namespaceContents.AddNamespace(lookup, ns);
}
return namespaceContents.Result;
}
IType type = resolveResult.Type;
if (type.Namespace == "System" && type.Name == "Void")
return null;
if (resolvedNode.Parent is PointerReferenceExpression && (type is PointerType)) {
resolveResult = new OperatorResolveResult(((PointerType)type).ElementType, System.Linq.Expressions.ExpressionType.Extension, resolveResult);
}
//var typeDef = resolveResult.Type.GetDefinition();
var result = new CompletionDataWrapper(this);
bool includeStaticMembers = false;
if (resolveResult is LocalResolveResult) {
if (resolvedNode is IdentifierExpression) {
var mrr = (LocalResolveResult)resolveResult;
includeStaticMembers = mrr.Variable.Name == mrr.Type.Name;
}
}
if (resolveResult is TypeResolveResult && type.Kind == TypeKind.Enum) {
foreach (var field in type.GetFields ()) {
if (!lookup.IsAccessible(field, false))
continue;
result.AddMember(field);
}
return result.Result;
}
bool isProtectedAllowed = resolveResult is ThisResolveResult ? true : lookup.IsProtectedAccessAllowed(type);
bool skipNonStaticMembers = (resolveResult is TypeResolveResult);
if (resolveResult is MemberResolveResult && resolvedNode is IdentifierExpression) {
var mrr = (MemberResolveResult)resolveResult;
includeStaticMembers = mrr.Member.Name == mrr.Type.Name;
TypeResolveResult trr;
if (state.IsVariableReferenceWithSameType(
resolveResult,
((IdentifierExpression)resolvedNode).Identifier,
out trr
)) {
if (currentMember != null && mrr.Member.IsStatic ^ currentMember.IsStatic) {
skipNonStaticMembers = true;
if (trr.Type.Kind == TypeKind.Enum) {
foreach (var field in trr.Type.GetFields ()) {
if (lookup.IsAccessible(field, false))
result.AddMember(field);
}
return result.Result;
}
}
}
// ADD Aliases
var scope = ctx.CurrentUsingScope;
for (var n = scope; n != null; n = n.Parent) {
foreach (var pair in n.UsingAliases) {
if (pair.Key == mrr.Member.Name) {
foreach (var r in CreateCompletionData (location, pair.Value, resolvedNode, state)) {
if (r is IEntityCompletionData && ((IEntityCompletionData)r).Entity is IMember) {
result.AddMember((IMember)((IEntityCompletionData)r).Entity);
} else {
result.Add(r);
}
}
}
}
}
}
if (resolveResult is TypeResolveResult && (resolvedNode is IdentifierExpression || resolvedNode is MemberReferenceExpression)) {
includeStaticMembers = true;
}
// Console.WriteLine ("type:" + type +"/"+type.GetType ());
// Console.WriteLine ("current:" + ctx.CurrentTypeDefinition);
// Console.WriteLine ("IS PROT ALLOWED:" + isProtectedAllowed + " static: "+ includeStaticMembers);
// Console.WriteLine (resolveResult);
// Console.WriteLine ("node:" + resolvedNode);
// Console.WriteLine (currentMember != null ? currentMember.IsStatic : "currentMember == null");
if (resolvedNode.Annotation<ObjectCreateExpression>() == null) {
//tags the created expression as part of an object create expression.
/*
var filteredList = new List<IMember>();
foreach (var member in type.GetMembers ()) {
filteredList.Add(member);
}
foreach (var member in filteredList) {
// Console.WriteLine ("add:" + member + "/" + member.IsStatic);
result.AddMember(member);
}*/
foreach (var member in lookup.GetAccessibleMembers (resolveResult)) {
if (member.SymbolKind == SymbolKind.Indexer || member.SymbolKind == SymbolKind.Operator || member.SymbolKind == SymbolKind.Constructor || member.SymbolKind == SymbolKind.Destructor) {
continue;
}
if (resolvedNode is BaseReferenceExpression && member.IsAbstract) {
continue;
}
if (member is IType) {
if (resolveResult is TypeResolveResult || includeStaticMembers) {
if (!lookup.IsAccessible(member, isProtectedAllowed))
continue;
result.AddType((IType)member, false);
continue;
}
}
bool memberIsStatic = member.IsStatic;
if (!includeStaticMembers && memberIsStatic && !(resolveResult is TypeResolveResult)) {
// Console.WriteLine ("skip static member: " + member.FullName);
continue;
}
var field = member as IField;
if (field != null) {
memberIsStatic |= field.IsConst;
}
if (!memberIsStatic && skipNonStaticMembers) {
continue;
}
if (member is IMethod && ((IMethod)member).FullName == "System.Object.Finalize") {
continue;
}
if (member.SymbolKind == SymbolKind.Operator) {
continue;
}
if (member is IMember) {
result.AddMember((IMember)member);
}
}
}
if (!(resolveResult is TypeResolveResult || includeStaticMembers)) {
foreach (var meths in state.GetExtensionMethods (type)) {
foreach (var m in meths) {
if (!lookup.IsAccessible(m, isProtectedAllowed))
continue;
result.AddMember(new ReducedExtensionMethod(m));
}
}
}
// IEnumerable<object> objects = resolveResult.CreateResolveResult (dom, resolver != null ? resolver.CallingMember : null);
// CompletionDataCollector col = new CompletionDataCollector (this, dom, result, Document.CompilationUnit, resolver != null ? resolver.CallingType : null, location);
// col.HideExtensionParameter = !resolveResult.StaticResolve;
// col.NamePrefix = expressionResult.Expression;
// bool showOnlyTypes = expressionResult.Contexts.Any (ctx => ctx == ExpressionContext.InheritableType || ctx == ExpressionContext.Constraints);
// if (objects != null) {
// foreach (object obj in objects) {
// if (expressionResult.ExpressionContext != null && expressionResult.ExpressionContext.FilterEntry (obj))
// continue;
// if (expressionResult.ExpressionContext == ExpressionContext.NamespaceNameExcepted && !(obj is Namespace))
// continue;
// if (showOnlyTypes && !(obj is IType))
// continue;
// CompletionData data = col.Add (obj);
// if (data != null && expressionResult.ExpressionContext == ExpressionContext.Attribute && data.CompletionText != null && data.CompletionText.EndsWith ("Attribute")) {
// string newText = data.CompletionText.Substring (0, data.CompletionText.Length - "Attribute".Length);
// data.SetText (newText);
// }
// }
// }
return result.Result;
}
public override object Invoke(CSharpResolver resolver, object lhs, object rhs)
{
return(string.Concat(lhs, rhs));
}
public override void SetUp()
{
base.SetUp();
resolver = new CSharpResolver(compilation);
}
public override object Invoke(CSharpResolver resolver, object lhs, object rhs)
{
return(baseMethod.Invoke(resolver, lhs, rhs));
}
public override void SetUp()
{
base.SetUp();
resolver = new CSharpResolver(compilation).WithCurrentUsingScope(MakeUsingScope(string.Empty));
}
