| public AddMember ( IMember member ) : ICompletionData | ||
| member | IMember | |
| return | ICompletionData | |
void AddTypesAndNamespaces(CompletionDataWrapper wrapper, CSharpResolver state, AstNode node, Func<IType, IType> typePred = null, Predicate<IMember> memberPred = null, Action<ICompletionData, IType> callback = null, bool onlyAddConstructors = false)
{
var lookup = new MemberLookup(ctx.CurrentTypeDefinition, Compilation.MainAssembly);
if (currentType != null) {
for (var ct = ctx.CurrentTypeDefinition; ct != null; ct = ct.DeclaringTypeDefinition) {
foreach (var nestedType in ct.GetNestedTypes ()) {
if (!lookup.IsAccessible(nestedType.GetDefinition(), true))
continue;
if (onlyAddConstructors) {
if (!nestedType.GetConstructors().Any(c => lookup.IsAccessible(c, true)))
continue;
}
if (typePred == null) {
if (onlyAddConstructors)
wrapper.AddConstructors(nestedType, false, IsAttributeContext(node));
else
wrapper.AddType(nestedType, false, IsAttributeContext(node));
continue;
}
var type = typePred(nestedType);
if (type != null) {
var a2 = onlyAddConstructors ? wrapper.AddConstructors(type, false, IsAttributeContext(node)) : wrapper.AddType(type, false, IsAttributeContext(node));
if (a2 != null && callback != null) {
callback(a2, type);
}
}
continue;
}
}
if (this.currentMember != null && !(node is AstType)) {
var def = ctx.CurrentTypeDefinition;
if (def == null && currentType != null)
def = Compilation.MainAssembly.GetTypeDefinition(currentType.FullTypeName);
if (def != null) {
bool isProtectedAllowed = true;
foreach (var member in def.GetMembers (m => currentMember.IsStatic ? m.IsStatic : true)) {
if (member is IMethod && ((IMethod)member).FullName == "System.Object.Finalize") {
continue;
}
if (member.SymbolKind == SymbolKind.Operator) {
continue;
}
if (member.IsExplicitInterfaceImplementation) {
continue;
}
if (!lookup.IsAccessible(member, isProtectedAllowed)) {
continue;
}
if (memberPred == null || memberPred(member)) {
wrapper.AddMember(member);
}
}
var declaring = def.DeclaringTypeDefinition;
while (declaring != null) {
foreach (var member in declaring.GetMembers (m => m.IsStatic)) {
if (memberPred == null || memberPred(member)) {
wrapper.AddMember(member);
}
}
declaring = declaring.DeclaringTypeDefinition;
}
}
}
if (ctx.CurrentTypeDefinition != null) {
foreach (var p in ctx.CurrentTypeDefinition.TypeParameters) {
wrapper.AddTypeParameter(p);
}
}
}
var scope = ctx.CurrentUsingScope;
for (var n = scope; n != null; n = n.Parent) {
foreach (var pair in n.UsingAliases) {
wrapper.AddAlias(pair.Key);
}
foreach (var alias in n.ExternAliases) {
wrapper.AddAlias(alias);
}
foreach (var u in n.Usings) {
foreach (var type in u.Types) {
if (!lookup.IsAccessible(type, false))
continue;
IType addType = typePred != null ? typePred(type) : type;
if (onlyAddConstructors && addType != null) {
if (!addType.GetConstructors().Any(c => lookup.IsAccessible(c, true)))
continue;
}
if (addType != null) {
var a = onlyAddConstructors ? wrapper.AddConstructors(addType, false, IsAttributeContext(node)) : wrapper.AddType(addType, false, IsAttributeContext(node));
if (a != null && callback != null) {
callback(a, type);
}
}
}
}
foreach (var type in n.Namespace.Types) {
if (!lookup.IsAccessible(type, false))
continue;
IType addType = typePred != null ? typePred(type) : type;
if (onlyAddConstructors && addType != null) {
if (!addType.GetConstructors().Any(c => lookup.IsAccessible(c, true)))
continue;
}
if (addType != null) {
var a2 = onlyAddConstructors ? wrapper.AddConstructors(addType, false, IsAttributeContext(node)) : wrapper.AddType(addType, false);
if (a2 != null && callback != null) {
callback(a2, type);
}
}
}
}
for (var n = scope; n != null; n = n.Parent) {
foreach (var curNs in n.Namespace.ChildNamespaces) {
wrapper.AddNamespace(lookup, curNs);
}
}
if (node is AstType && node.Parent is Constraint && IncludeKeywordsInCompletionList) {
wrapper.AddCustom("new()");
}
if (AutomaticallyAddImports) {
state = GetState();
ICompletionData[] importData;
var namespaces = new List<INamespace>();
for (var n = ctx.CurrentUsingScope; n != null; n = n.Parent) {
namespaces.Add(n.Namespace);
foreach (var u in n.Usings)
namespaces.Add(u);
}
if (this.CompletionEngineCache != null && ListEquals(namespaces, CompletionEngineCache.namespaces)) {
importData = CompletionEngineCache.importCompletion;
} else {
// flatten usings
var importList = new List<ICompletionData>();
var dict = new Dictionary<string, Dictionary<string, ICompletionData>>();
foreach (var type in Compilation.GetAllTypeDefinitions ()) {
if (!lookup.IsAccessible(type, false))
continue;
if (namespaces.Any(n => n.FullName == type.Namespace))
continue;
bool useFullName = false;
foreach (var ns in namespaces) {
if (ns.GetTypeDefinition(type.Name, type.TypeParameterCount) != null) {
useFullName = true;
break;
}
}
if (onlyAddConstructors) {
if (!type.GetConstructors().Any(c => lookup.IsAccessible(c, true)))
continue;
}
var data = factory.CreateImportCompletionData(type, useFullName, onlyAddConstructors);
Dictionary<string, ICompletionData> createdDict;
if (!dict.TryGetValue(type.Name, out createdDict)) {
createdDict = new Dictionary<string, ICompletionData>();
dict.Add(type.Name, createdDict);
}
ICompletionData oldData;
if (!createdDict.TryGetValue(type.Namespace, out oldData)) {
importList.Add(data);
createdDict.Add(type.Namespace, data);
} else {
oldData.AddOverload(data);
}
}
importData = importList.ToArray();
if (CompletionEngineCache != null) {
CompletionEngineCache.namespaces = namespaces;
CompletionEngineCache.importCompletion = importData;
}
}
foreach (var data in importData) {
wrapper.Result.Add(data);
}
}
}
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;
}
IEnumerable<ICompletionData> HandleObjectInitializer(CompilationUnit unit, AstNode n)
{
var p = n.Parent;
while (p != null && !(p is ObjectCreateExpression)) {
p = p.Parent;
}
var parent = (ArrayInitializerExpression)n.Parent;
if (parent.IsSingleElement)
parent = (ArrayInitializerExpression)parent.Parent;
if (p != null) {
var contextList = new CompletionDataWrapper(this);
var initializerResult = ResolveExpression(p, unit);
if (initializerResult != null && initializerResult.Item1.Type.Kind != TypeKind.Unknown) {
// check 3 cases:
// 1) New initalizer { xpr
// 2) Object initializer { prop = val1, field = val2, xpr
// 3) Array initializer { new Foo (), a, xpr
// in case 1 all object/array initializer options should be given - in the others not.
AstNode prev = null;
if (parent.Elements.Count > 1) {
prev = parent.Elements.First();
if (prev is ArrayInitializerExpression && ((ArrayInitializerExpression)prev).IsSingleElement)
prev = ((ArrayInitializerExpression)prev).Elements.FirstOrDefault();
}
if (prev != null && !(prev is NamedExpression)) {
AddContextCompletion(contextList, GetState(), n, unit);
// case 3)
return contextList.Result;
}
foreach (var m in initializerResult.Item1.Type.GetMembers (m => m.IsPublic && (m.EntityType == EntityType.Property || m.EntityType == EntityType.Field))) {
contextList.AddMember(m);
}
if (prev != null && (prev is NamedExpression)) {
// case 2)
return contextList.Result;
}
// case 1)
// check if the object is a list, if not only provide object initalizers
var list = typeof(System.Collections.IList).ToTypeReference().Resolve(Compilation);
if (initializerResult.Item1.Type.Kind != TypeKind.Array && list != null) {
var def = initializerResult.Item1.Type.GetDefinition();
if (def != null && !def.IsDerivedFrom(list.GetDefinition()))
return contextList.Result;
}
AddContextCompletion(contextList, GetState(), n, unit);
return contextList.Result;
}
}
return null;
}
static void AddAttributeProperties(CompletionDataWrapper wrapper, ResolveResult resolved)
{
if (resolved == null || resolved.Type.Kind == TypeKind.Unknown)
return;
foreach (var property in resolved.Type.GetProperties (p => p.Accessibility == Accessibility.Public)) {
var data = wrapper.AddMember(property);
if (data != null)
data.DisplayFlags |= DisplayFlags.NamedArgument;
}
foreach (var field in resolved.Type.GetFields (p => p.Accessibility == Accessibility.Public)) {
var data = wrapper.AddMember(field);
if (data != null)
data.DisplayFlags |= DisplayFlags.NamedArgument;
}
foreach (var constructor in resolved.Type.GetConstructors (p => p.Accessibility == Accessibility.Public)) {
foreach (var p in constructor.Parameters) {
wrapper.AddNamedParameterVariable(p);
}
}
}
IEnumerable<ICompletionData> HandleObjectInitializer(CompilationUnit unit, AstNode n)
{
var p = n.Parent;
while (p != null && !(p is ObjectCreateExpression)) {
p = p.Parent;
}
var parent = (ArrayInitializerExpression)n.Parent;
if (parent.IsSingleElement)
parent = (ArrayInitializerExpression)parent.Parent;
if (p != null) {
var contextList = new CompletionDataWrapper(this);
var initializerResult = ResolveExpression(p, unit);
if (initializerResult != null && initializerResult.Item1.Type.Kind != TypeKind.Unknown) {
// check 3 cases:
// New initalizer { xpr
// Object initializer { prop = val1, field = val2, xpr
// Array initializer { new Foo (), a, xpr
// in case 1 all object/array initializer options should be given - in the others not.
AstNode prev = null;
if (parent.Elements.Count > 1) {
prev = parent.Elements.First();
if (prev is ArrayInitializerExpression && ((ArrayInitializerExpression)prev).IsSingleElement)
prev = ((ArrayInitializerExpression)prev).Elements.FirstOrDefault();
}
if (prev != null && !(prev is NamedExpression)) {
AddContextCompletion(contextList, GetState(), n, unit);
return contextList.Result;
}
foreach (var m in initializerResult.Item1.Type.GetMembers (m => m.IsPublic && (m.EntityType == EntityType.Property || m.EntityType == EntityType.Field))) {
contextList.AddMember(m);
}
if (prev != null && (prev is NamedExpression))
return contextList.Result;
AddContextCompletion(contextList, GetState(), n, unit);
return contextList.Result;
}
}
return null;
}
void AddTypesAndNamespaces(CompletionDataWrapper wrapper, CSharpResolver state, AstNode node, Func<IType, IType> typePred = null, Predicate<IMember> memberPred = null, Action<ICompletionData, IType> callback = null)
{
var lookup = new MemberLookup(
ctx.CurrentTypeDefinition,
Compilation.MainAssembly
);
if (currentType != null) {
for (var ct = currentType; ct != null; ct = ct.DeclaringTypeDefinition) {
foreach (var nestedType in ct.NestedTypes) {
string name = nestedType.Name;
if (IsAttributeContext(node) && name.EndsWith("Attribute") && name.Length > "Attribute".Length) {
name = name.Substring(0, name.Length - "Attribute".Length);
}
if (typePred == null) {
wrapper.AddType(nestedType, name);
continue;
}
var type = typePred(nestedType.Resolve(ctx));
if (type != null) {
var a2 = wrapper.AddType(type, name);
if (a2 != null && callback != null) {
callback(a2, type);
}
}
continue;
}
}
if (this.currentMember != null && !(node is AstType)) {
var def = ctx.CurrentTypeDefinition ?? Compilation.MainAssembly.GetTypeDefinition(currentType);
if (def != null) {
bool isProtectedAllowed = true;
foreach (var member in def.GetMembers ()) {
if (member is IMethod && ((IMethod)member).FullName == "System.Object.Finalize") {
continue;
}
if (member.EntityType == EntityType.Operator) {
continue;
}
if (member.IsExplicitInterfaceImplementation) {
continue;
}
if (!lookup.IsAccessible(member, isProtectedAllowed)) {
continue;
}
if (memberPred == null || memberPred(member)) {
wrapper.AddMember(member);
}
}
var declaring = def.DeclaringTypeDefinition;
while (declaring != null) {
foreach (var member in declaring.GetMembers (m => m.IsStatic)) {
if (memberPred == null || memberPred(member)) {
wrapper.AddMember(member);
}
}
declaring = declaring.DeclaringTypeDefinition;
}
}
}
foreach (var p in currentType.TypeParameters) {
wrapper.AddTypeParameter(p);
}
}
var scope = CSharpParsedFile.GetUsingScope(location).Resolve(Compilation);
for (var n = scope; n != null; n = n.Parent) {
foreach (var pair in n.UsingAliases) {
wrapper.AddNamespace(pair.Key);
}
foreach (var u in n.Usings) {
foreach (var type in u.Types) {
if (!lookup.IsAccessible(type, false))
continue;
IType addType = typePred != null ? typePred(type) : type;
if (addType != null) {
string name = type.Name;
if (IsAttributeContext(node) && name.EndsWith("Attribute") && name.Length > "Attribute".Length) {
name = name.Substring(0, name.Length - "Attribute".Length);
}
var a = wrapper.AddType(addType, name);
if (a != null && callback != null) {
callback(a, type);
}
}
}
}
foreach (var type in n.Namespace.Types) {
if (!lookup.IsAccessible(type, false))
continue;
IType addType = typePred != null ? typePred(type) : type;
if (addType != null) {
var a2 = wrapper.AddType(addType, addType.Name);
if (a2 != null && callback != null) {
callback(a2, type);
}
}
}
foreach (var curNs in n.Namespace.ChildNamespaces) {
wrapper.AddNamespace(curNs.Name);
}
}
}
IEnumerable<ICompletionData> HandleObjectInitializer(SyntaxTree unit, AstNode n)
{
var p = n.Parent;
while (p != null && !(p is ObjectCreateExpression)) {
p = p.Parent;
}
var parent = n.Parent as ArrayInitializerExpression;
if (parent == null)
return null;
if (parent.IsSingleElement)
parent = (ArrayInitializerExpression)parent.Parent;
if (p != null) {
var contextList = new CompletionDataWrapper(this);
var initializerResult = ResolveExpression(p);
if (initializerResult != null && initializerResult.Item1.Type.Kind != TypeKind.Unknown) {
// check 3 cases:
// 1) New initalizer { xpr
// 2) Object initializer { prop = val1, field = val2, xpr
// 3) Array initializer { new Foo (), a, xpr
// in case 1 all object/array initializer options should be given - in the others not.
AstNode prev = null;
if (parent.Elements.Count > 1) {
prev = parent.Elements.First();
if (prev is ArrayInitializerExpression && ((ArrayInitializerExpression)prev).IsSingleElement)
prev = ((ArrayInitializerExpression)prev).Elements.FirstOrDefault();
}
if (prev != null && !(prev is NamedExpression)) {
AddContextCompletion(contextList, GetState(), n);
// case 3)
return contextList.Result;
}
var lookup = new MemberLookup(ctx.CurrentTypeDefinition, Compilation.MainAssembly);
bool isProtectedAllowed = ctx.CurrentTypeDefinition != null ?
ctx.CurrentTypeDefinition.IsDerivedFrom(initializerResult.Item1.Type.GetDefinition()) :
false;
foreach (var m in initializerResult.Item1.Type.GetMembers (m => m.EntityType == EntityType.Field)) {
if (lookup.IsAccessible (m, isProtectedAllowed))
contextList.AddMember(m);
}
foreach (IProperty m in initializerResult.Item1.Type.GetMembers (m => m.EntityType == EntityType.Property)) {
if (m.CanSet && lookup.IsAccessible (m.Setter, isProtectedAllowed))
contextList.AddMember(m);
}
if (prev != null && (prev is NamedExpression)) {
// case 2)
return contextList.Result;
}
// case 1)
// check if the object is a list, if not only provide object initalizers
var list = typeof(System.Collections.IList).ToTypeReference().Resolve(Compilation);
if (initializerResult.Item1.Type.Kind != TypeKind.Array && list != null) {
var def = initializerResult.Item1.Type.GetDefinition();
if (def != null && !def.IsDerivedFrom(list.GetDefinition()))
return contextList.Result;
}
AddContextCompletion(contextList, GetState(), n);
return contextList.Result;
}
}
return null;
}
IEnumerable<ICompletionData> HandleObjectInitializer(CompilationUnit unit, AstNode n)
{
var p = n.Parent;
while (p != null && !(p is ObjectCreateExpression)) {
p = p.Parent;
}
if (p != null) {
var contextList = new CompletionDataWrapper(this);
var initializerResult = ResolveExpression(p, unit);
if (initializerResult != null && initializerResult.Item1.Type.Kind != TypeKind.Unknown) {
foreach (var m in initializerResult.Item1.Type.GetMembers (m => m.IsPublic && (m.EntityType == EntityType.Property || m.EntityType == EntityType.Field))) {
contextList.AddMember(m);
}
var enumerableType = typeof(IEnumerable<>).ToTypeReference().Resolve(ctx);
// check if we may be in a collection initializer, or enumerable initializer
if (enumerableType.Kind == TypeKind.Unknown || !initializerResult.Item1.Type.GetDefinition().IsDerivedFrom(enumerableType.GetDefinition())) {
return contextList.Result;
}
}
}
return null;
}
IEnumerable<ICompletionData> CreateCompletionData(TextLocation location, ResolveResult resolveResult, AstNode resolvedNode, CSharpResolver state)
{
if (resolveResult == null /*|| resolveResult.IsError*/)
return null;
if (resolveResult is NamespaceResolveResult) {
var nr = (NamespaceResolveResult)resolveResult;
var namespaceContents = new CompletionDataWrapper (this);
foreach (var cl in nr.Namespace.Types) {
namespaceContents.AddType (cl, cl.Name);
}
foreach (var ns in nr.Namespace.ChildNamespaces) {
namespaceContents.AddNamespace (ns.Name);
}
return namespaceContents.Result;
}
IType type = resolveResult.Type;
var typeDef = resolveResult.Type.GetDefinition ();
var lookup = new MemberLookup (ctx.CurrentTypeDefinition, Compilation.MainAssembly);
var result = new CompletionDataWrapper (this);
bool isProtectedAllowed = false;
bool includeStaticMembers = false;
if (resolveResult is LocalResolveResult) {
isProtectedAllowed = currentType != null && typeDef != null ? typeDef.GetAllBaseTypeDefinitions ().Any (bt => bt.Equals (currentType)) : false;
if (resolvedNode is IdentifierExpression) {
var mrr = (LocalResolveResult)resolveResult;
includeStaticMembers = mrr.Variable.Name == mrr.Type.Name;
}
} else {
isProtectedAllowed = currentType != null && typeDef != null ? currentType.Resolve (ctx).GetDefinition ().GetAllBaseTypeDefinitions ().Any (bt => bt.Equals (typeDef)) : false;
}
if (resolveResult is TypeResolveResult && type.Kind == TypeKind.Enum) {
foreach (var field in type.GetFields ()) {
result.AddMember (field);
}
foreach (var m in type.GetMethods ()) {
if (m.Name == "TryParse")
result.AddMember (m);
}
return result.Result;
}
if (resolveResult is MemberResolveResult && resolvedNode is IdentifierExpression) {
var mrr = (MemberResolveResult)resolveResult;
includeStaticMembers = mrr.Member.Name == mrr.Type.Name;
}
// Console.WriteLine ("type:" + type +"/"+type.GetType ());
// Console.WriteLine ("IS PROT ALLOWED:" + isProtectedAllowed);
// Console.WriteLine (resolveResult);
// Console.WriteLine (currentMember != null ? currentMember.IsStatic : "currentMember == null");
if (resolvedNode.Annotation<ObjectCreateExpression> () == null) { //tags the created expression as part of an object create expression.
foreach (var member in type.GetMembers ()) {
if (!lookup.IsAccessible (member, isProtectedAllowed)) {
// Console.WriteLine ("skip access: " + member.FullName);
continue;
}
if (resolvedNode is BaseReferenceExpression && member.IsAbstract)
continue;
if (!includeStaticMembers && member.IsStatic && !(resolveResult is TypeResolveResult)) {
// Console.WriteLine ("skip static member: " + member.FullName);
continue;
}
if (!member.IsStatic && (resolveResult is TypeResolveResult)) {
// Console.WriteLine ("skip non static member: " + member.FullName);
continue;
}
// Console.WriteLine ("add : "+ member.FullName + " --- " + member.IsStatic);
result.AddMember (member);
}
}
if (resolveResult is TypeResolveResult || includeStaticMembers) {
foreach (var nested in type.GetNestedTypes ()) {
result.AddType (nested, nested.Name);
}
} else {
foreach (var meths in state.GetAllExtensionMethods (type)) {
foreach (var m in meths) {
result.AddMember (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;
}
void AddTypesAndNamespaces(CompletionDataWrapper wrapper, CSharpResolver state, AstNode node, Func<IType, IType> typePred = null, Predicate<IMember> memberPred = null, Action<ICompletionData, IType> callback = null, bool onlyAddConstructors = false)
{
var lookup = new MemberLookup(ctx.CurrentTypeDefinition, Compilation.MainAssembly);
if (currentType != null) {
for (var ct = ctx.CurrentTypeDefinition; ct != null; ct = ct.DeclaringTypeDefinition) {
foreach (var nestedType in ct.GetNestedTypes ()) {
if (!lookup.IsAccessible (nestedType.GetDefinition (), true))
continue;
if (onlyAddConstructors) {
if (!nestedType.GetConstructors().Any(c => lookup.IsAccessible(c, true)))
continue;
}
if (typePred == null) {
if (onlyAddConstructors)
wrapper.AddConstructors (nestedType, false, IsAttributeContext(node));
else
wrapper.AddType(nestedType, false, IsAttributeContext(node));
continue;
}
var type = typePred(nestedType);
if (type != null) {
var a2 = onlyAddConstructors ? wrapper.AddConstructors(type, false, IsAttributeContext(node)) : wrapper.AddType(type, false, IsAttributeContext(node));
if (a2 != null && callback != null) {
callback(a2, type);
}
}
continue;
}
}
if (this.currentMember != null && !(node is AstType)) {
var def = ctx.CurrentTypeDefinition;
if (def == null && currentType != null)
def = Compilation.MainAssembly.GetTypeDefinition(currentType.FullTypeName);
if (def != null) {
bool isProtectedAllowed = true;
foreach (var member in def.GetMembers (m => currentMember.IsStatic ? m.IsStatic : true)) {
if (member is IMethod && ((IMethod)member).FullName == "System.Object.Finalize") {
continue;
}
if (member.SymbolKind == SymbolKind.Operator) {
continue;
}
if (member.IsExplicitInterfaceImplementation) {
continue;
}
if (!lookup.IsAccessible(member, isProtectedAllowed)) {
continue;
}
if (memberPred == null || memberPred(member)) {
wrapper.AddMember(member);
}
}
var declaring = def.DeclaringTypeDefinition;
while (declaring != null) {
foreach (var member in declaring.GetMembers (m => m.IsStatic)) {
if (memberPred == null || memberPred(member)) {
wrapper.AddMember(member);
}
}
declaring = declaring.DeclaringTypeDefinition;
}
}
}
if (ctx.CurrentTypeDefinition != null) {
foreach (var p in ctx.CurrentTypeDefinition.TypeParameters) {
wrapper.AddTypeParameter(p);
}
}
}
var scope = ctx.CurrentUsingScope;
for (var n = scope; n != null; n = n.Parent) {
foreach (var pair in n.UsingAliases) {
wrapper.AddAlias(pair.Key);
}
foreach (var alias in n.ExternAliases) {
wrapper.AddAlias(alias);
}
foreach (var u in n.Usings) {
foreach (var type in u.Types) {
if (!lookup.IsAccessible(type, false))
continue;
IType addType = typePred != null ? typePred(type) : type;
if (onlyAddConstructors && addType != null) {
if (!addType.GetConstructors().Any(c => lookup.IsAccessible(c, true)))
continue;
}
if (addType != null) {
var a = onlyAddConstructors ? wrapper.AddConstructors(addType, false, IsAttributeContext(node)) : wrapper.AddType(addType, false, IsAttributeContext(node));
if (a != null && callback != null) {
callback(a, type);
}
}
}
}
foreach (var type in n.Namespace.Types) {
if (!lookup.IsAccessible(type, false))
continue;
IType addType = typePred != null ? typePred(type) : type;
if (onlyAddConstructors && addType != null) {
if (!addType.GetConstructors().Any(c => lookup.IsAccessible(c, true)))
continue;
}
if (addType != null) {
var a2 = onlyAddConstructors ? wrapper.AddConstructors(addType, false, IsAttributeContext(node)) : wrapper.AddType(addType, false);
if (a2 != null && callback != null) {
callback(a2, type);
}
}
}
foreach (var curNs in n.Namespace.ChildNamespaces) {
wrapper.AddNamespace(lookup, curNs);
}
}
if (node is AstType && node.Parent is Constraint && IncludeKeywordsInCompletionList) {
wrapper.AddCustom ("new()");
}
if (AutomaticallyAddImports) {
state = GetState();
foreach (var type in Compilation.GetAllTypeDefinitions ()) {
if (!lookup.IsAccessible (type, false))
continue;
var resolveResult = state.LookupSimpleNameOrTypeName(type.Name, type.TypeArguments, NameLookupMode.Expression);
if (resolveResult.Type.GetDefinition () == type)
continue;
if (onlyAddConstructors) {
if (!type.GetConstructors().Any(c => lookup.IsAccessible(c, true)))
continue;
}
wrapper.AddTypeImport(type, !resolveResult.IsError, onlyAddConstructors);
}
}
}
void AddTypesAndNamespaces(CompletionDataWrapper wrapper, CSharpResolver state, AstNode node, Predicate<IType> typePred = null, Predicate<IMember> memberPred = null)
{
var currentMember = ctx.CurrentMember;
if (currentType != null) {
for (var ct = currentType; ct != null; ct = ct.DeclaringTypeDefinition) {
foreach (var nestedType in ct.NestedTypes) {
if (typePred == null || typePred (nestedType.Resolve (ctx))) {
string name = nestedType.Name;
if (node is Attribute && name.EndsWith ("Attribute") && name.Length > "Attribute".Length)
name = name.Substring (0, name.Length - "Attribute".Length);
wrapper.AddType (nestedType, name);
}
}
}
if (this.currentMember != null) {
var def = ctx.CurrentTypeDefinition ?? Compilation.MainAssembly.GetTypeDefinition (currentType);
foreach (var member in def.GetMembers ()) {
if (memberPred == null || memberPred (member))
wrapper.AddMember (member);
}
var declaring = def.DeclaringTypeDefinition;
while (declaring != null) {
foreach (var member in declaring.GetMembers (m => m.IsStatic)) {
if (memberPred == null || memberPred (member))
wrapper.AddMember (member);
}
declaring = declaring.DeclaringTypeDefinition;
}
}
foreach (var p in currentType.TypeParameters) {
wrapper.AddTypeParameter (p);
}
}
for (var n = state.CurrentUsingScope; n != null; n = n.Parent) {
foreach (var pair in n.UsingAliases) {
wrapper.AddNamespace (pair.Key);
}
foreach (var u in n.Usings) {
foreach (var type in u.Types) {
if (typePred == null || typePred (type)) {
string name = type.Name;
if (node is Attribute && name.EndsWith ("Attribute") && name.Length > "Attribute".Length)
name = name.Substring (0, name.Length - "Attribute".Length);
wrapper.AddType (type, name);
}
}
}
foreach (var type in n.Namespace.Types) {
if (typePred == null || typePred (type))
wrapper.AddType (type, type.Name);
}
foreach (var curNs in n.Namespace.ChildNamespaces) {
wrapper.AddNamespace (curNs.Name);
}
}
}
IEnumerable<ICompletionData> MagicKeyCompletion(char completionChar, bool controlSpace)
{
switch (completionChar) {
// Magic key completion
case ':':
case '.':
if (IsInsideCommentOrString ())
return Enumerable.Empty<ICompletionData> ();
var expr = GetExpressionBeforeCursor ();
if (expr == null)
return null;
// do not complete <number>. (but <number>.<number>.)
if (expr.Item2 is PrimitiveExpression) {
var pexpr = (PrimitiveExpression)expr.Item2;
if (!(pexpr.Value is string || pexpr.Value is char) && !pexpr.LiteralValue.Contains ('.'))
return null;
}
var resolveResult = ResolveExpression (expr.Item1, expr.Item2, expr.Item3);
if (resolveResult == null)
return null;
if (expr.Item2 is AstType)
return CreateTypeAndNamespaceCompletionData (location, resolveResult.Item1, expr.Item2, resolveResult.Item2);
return CreateCompletionData (location, resolveResult.Item1, expr.Item2, resolveResult.Item2);
case '#':
if (IsInsideCommentOrString ())
return null;
return GetDirectiveCompletionData ();
// XML doc completion
case '<':
if (IsInsideDocComment ())
return GetXmlDocumentationCompletionData ();
if (controlSpace)
return DefaultControlSpaceItems ();
return null;
case '>':
if (!IsInsideDocComment ())
return null;
string lineText = document.GetText (document.GetLineByNumber (location.Line));
int startIndex = Math.Min (location.Column - 1, lineText.Length - 1);
while (startIndex >= 0 && lineText [startIndex] != '<') {
--startIndex;
if (lineText [startIndex] == '/') { // already closed.
startIndex = -1;
break;
}
}
if (startIndex >= 0) {
int endIndex = startIndex;
while (endIndex <= location.Column && endIndex < lineText.Length && !Char.IsWhiteSpace (lineText [endIndex])) {
endIndex++;
}
string tag = endIndex - startIndex - 1 > 0 ? lineText.Substring (startIndex + 1, endIndex - startIndex - 2) : null;
if (!string.IsNullOrEmpty (tag) && commentTags.IndexOf (tag) >= 0)
document.Insert (offset, "</" + tag + ">");
}
return null;
// Parameter completion
case '(':
if (IsInsideCommentOrString ())
return null;
var invoke = GetInvocationBeforeCursor (true);
if (invoke == null)
return null;
if (invoke.Item2 is TypeOfExpression)
return CreateTypeList ();
var invocationResult = ResolveExpression (invoke.Item1, invoke.Item2, invoke.Item3);
if (invocationResult == null)
return null;
var methodGroup = invocationResult.Item1 as MethodGroupResolveResult;
if (methodGroup != null)
return CreateParameterCompletion (methodGroup, invocationResult.Item2, invoke.Item2, 0, controlSpace);
if (controlSpace)
return DefaultControlSpaceItems (invoke);
return null;
case '=':
return controlSpace ? DefaultControlSpaceItems () : 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 ' ':
if (IsInsideCommentOrString ())
return null;
int tokenIndex = offset;
string token = GetPreviousToken (ref tokenIndex, false);
// 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.Item2 is VariableDeclarationStatement && token != "new") {
var parent = isAsExpression.Item2 as VariableDeclarationStatement;
var proposeNameList = new CompletionDataWrapper (this);
foreach (var possibleName in GenerateNameProposals (parent.Type)) {
if (possibleName.Length > 0)
proposeNameList.Result.Add (factory.CreateLiteralCompletionData (possibleName.ToString ()));
}
AutoSelect = false;
AutoCompleteEmptyMatch = false;
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 == "-") {
token = prevToken + token;
tokenIndex = j;
}
}
switch (token) {
case "(":
case ",":
int cpos;
if (!GetParameterCompletionCommandOffset (out cpos))
break;
int currentParameter = GetCurrentParameterIndex (cpos, 0) - 1;
if (currentParameter < 0)
return null;
invoke = GetInvocationBeforeCursor (token == "(");
if (invoke == null)
return null;
invocationResult = ResolveExpression (invoke.Item1, invoke.Item2, invoke.Item3);
if (invocationResult == null)
return null;
methodGroup = invocationResult.Item1 as MethodGroupResolveResult;
if (methodGroup != null)
return CreateParameterCompletion (methodGroup, invocationResult.Item2, invoke.Item2, currentParameter, controlSpace);
return null;
case "=":
case "==":
GetPreviousToken (ref tokenIndex, false);
var expressionOrVariableDeclaration = GetExpressionAt (tokenIndex);
if (expressionOrVariableDeclaration == null)
return null;
resolveResult = ResolveExpression (expressionOrVariableDeclaration.Item1, expressionOrVariableDeclaration.Item2, expressionOrVariableDeclaration.Item3);
if (resolveResult == null)
return null;
if (resolveResult.Item1.Type.Kind == TypeKind.Enum) {
var wrapper = new CompletionDataWrapper (this);
AddContextCompletion (wrapper, resolveResult.Item2, expressionOrVariableDeclaration.Item2);
AddEnumMembers (wrapper, resolveResult.Item1.Type, resolveResult.Item2);
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.Item1, expressionOrVariableDeclaration.Item2, expressionOrVariableDeclaration.Item3);
if (resolveResult == null)
return null;
var mrr = resolveResult.Item1 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 currentType.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) {
var wrapper = new CompletionDataWrapper (this);
AddTypesAndNamespaces (wrapper, GetState (), null, t => currentType != null ? !currentType.Equals (t) : true);
return wrapper.Result;
}
return null;
}
var keywordCompletion = HandleKeywordCompletion (tokenIndex, token);
if (keywordCompletion == null && controlSpace)
goto default;
return keywordCompletion;
// Automatic completion
default:
if (IsInsideCommentOrString ())
return null;
if (IsInLinqContext (offset)) {
tokenIndex = offset;
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 ();
}
var dataList = new CompletionDataWrapper (this);
AddKeywords (dataList, linqKeywords);
return dataList.Result;
}
if (currentType != null && currentType.Kind == TypeKind.Enum)
return HandleEnumContext ();
var contextList = new CompletionDataWrapper (this);
var identifierStart = GetExpressionAtCursor ();
if (identifierStart != null && identifierStart.Item2 is TypeParameterDeclaration)
return null;
if (identifierStart != null && identifierStart.Item2 is VariableInitializer && location <= ((VariableInitializer)identifierStart.Item2).NameToken.EndLocation) {
return controlSpace ? HandleAccessorContext () ?? DefaultControlSpaceItems (identifierStart) : null;
}
if (!(char.IsLetter (completionChar) || completionChar == '_') && (!controlSpace || identifierStart == null || !(identifierStart.Item2 is ArrayInitializerExpression))) {
return controlSpace ? HandleAccessorContext () ?? DefaultControlSpaceItems (identifierStart) : 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)
return null;
if (!(Char.IsWhiteSpace (prevCh) || allowedChars.IndexOf (prevCh) >= 0))
return null;
// Do not pop up completion on identifier identifier (should be handled by keyword completion).
tokenIndex = offset - 1;
token = GetPreviousToken (ref tokenIndex, false);
int prevTokenIndex = tokenIndex;
var prevToken2 = GetPreviousToken (ref prevTokenIndex, false);
if (identifierStart == null && !string.IsNullOrEmpty (token) && !(IsInsideComment (tokenIndex) || IsInsideString (tokenIndex)) && (prevToken2 == ";" || prevToken2 == "{" || prevToken2 == "}")) {
char last = token [token.Length - 1];
if (char.IsLetterOrDigit (last) || last == '_' || token == ">") {
return HandleKeywordCompletion (tokenIndex, token);
}
}
if (identifierStart == null)
return HandleAccessorContext () ?? DefaultControlSpaceItems ();
CSharpResolver csResolver;
AstNode n = identifierStart.Item2;
// Handle foreach (type name _
if (n is IdentifierExpression) {
var prev = n.GetPrevNode () as ForeachStatement;
if (prev != null && prev.InExpression.IsNull) {
if (controlSpace) {
contextList.AddCustom ("in");
return contextList.Result;
}
return null;
}
}
if (n is Identifier && n.Parent is ForeachStatement) {
if (controlSpace)
return DefaultControlSpaceItems ();
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 ();
var initalizerResult = ResolveExpression (identifierStart.Item1, n.Parent, identifierStart.Item3);
var concreteNode = identifierStart.Item3.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 ();
}
if (initalizerResult != null && initalizerResult.Item1.Type.Kind != TypeKind.Unknown) {
foreach (var property in initalizerResult.Item1.Type.GetProperties ()) {
if (!property.IsPublic)
continue;
contextList.AddMember (property);
}
foreach (var field in initalizerResult.Item1.Type.GetFields ()) {
if (!field.IsPublic)
continue;
contextList.AddMember (field);
}
return contextList.Result;
}
Console.WriteLine ("blub");
return DefaultControlSpaceItems ();
}
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 navigator = new NodeListResolveVisitorNavigator (nodes);
var visitor = new ResolveVisitor (csResolver, identifierStart.Item1, navigator);
visitor.Scan (identifierStart.Item3);
try {
csResolver = visitor.GetResolverStateBefore (n);
} catch (Exception) {
csResolver = GetState ();
}
// add attribute properties.
if (n.Parent is ICSharpCode.NRefactory.CSharp.Attribute) {
var resolved = visitor.GetResolveResult (n.Parent);
if (resolved != null && resolved.Type != null) {
foreach (var property in resolved.Type.GetProperties (p => p.Accessibility == Accessibility.Public)) {
contextList.AddMember (property);
}
foreach (var field in resolved.Type.GetFields (p => p.Accessibility == Accessibility.Public)) {
contextList.AddMember (field);
}
}
}
} else {
csResolver = GetState ();
}
// identifier has already started with the first letter
offset--;
AddContextCompletion (contextList, csResolver, identifierStart.Item2);
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;
}
void AddTypesAndNamespaces(CompletionDataWrapper wrapper, CSharpResolver state, AstNode node, Func<IType, IType> typePred = null, Predicate<IMember> memberPred = null, Action<ICompletionData, IType> callback = null)
{
var lookup = new MemberLookup(ctx.CurrentTypeDefinition, Compilation.MainAssembly);
if (currentType != null) {
for (var ct = ctx.CurrentTypeDefinition; ct != null; ct = ct.DeclaringTypeDefinition) {
foreach (var nestedType in ct.GetNestedTypes ()) {
if (!lookup.IsAccessible (nestedType.GetDefinition (), true))
continue;
if (typePred == null) {
wrapper.AddType(nestedType, false, IsAttributeContext(node));
continue;
}
var type = typePred(nestedType);
if (type != null) {
var a2 = wrapper.AddType(type, false, IsAttributeContext(node));
if (a2 != null && callback != null) {
callback(a2, type);
}
}
continue;
}
}
if (this.currentMember != null && !(node is AstType)) {
var def = ctx.CurrentTypeDefinition;
if (def == null && currentType != null)
def = Compilation.MainAssembly.GetTypeDefinition(currentType.FullTypeName);
if (def != null) {
bool isProtectedAllowed = true;
foreach (var member in def.GetMembers (m => currentMember.IsStatic ? m.IsStatic : true)) {
if (member is IMethod && ((IMethod)member).FullName == "System.Object.Finalize") {
continue;
}
if (member.EntityType == EntityType.Operator) {
continue;
}
if (member.IsExplicitInterfaceImplementation) {
continue;
}
if (!lookup.IsAccessible(member, isProtectedAllowed)) {
continue;
}
if (memberPred == null || memberPred(member)) {
wrapper.AddMember(member);
}
}
var declaring = def.DeclaringTypeDefinition;
while (declaring != null) {
foreach (var member in declaring.GetMembers (m => m.IsStatic)) {
if (memberPred == null || memberPred(member)) {
wrapper.AddMember(member);
}
}
declaring = declaring.DeclaringTypeDefinition;
}
}
}
if (ctx.CurrentTypeDefinition != null) {
foreach (var p in ctx.CurrentTypeDefinition.TypeParameters) {
wrapper.AddTypeParameter(p);
}
}
}
var scope = ctx.CurrentUsingScope;
for (var n = scope; n != null; n = n.Parent) {
foreach (var pair in n.UsingAliases) {
wrapper.AddAlias(pair.Key);
}
foreach (var alias in n.ExternAliases) {
wrapper.AddAlias(alias);
}
foreach (var u in n.Usings) {
foreach (var type in u.Types) {
if (!lookup.IsAccessible(type, false))
continue;
IType addType = typePred != null ? typePred(type) : type;
if (addType != null) {
var a = wrapper.AddType(addType, false, IsAttributeContext(node));
if (a != null && callback != null) {
callback(a, type);
}
}
}
}
foreach (var type in n.Namespace.Types) {
if (!lookup.IsAccessible(type, false))
continue;
IType addType = typePred != null ? typePred(type) : type;
if (addType != null) {
var a2 = wrapper.AddType(addType, false);
if (a2 != null && callback != null) {
callback(a2, type);
}
}
}
foreach (var curNs in n.Namespace.ChildNamespaces) {
wrapper.AddNamespace(lookup, curNs);
}
}
if (node is AstType && node.Parent is Constraint) {
wrapper.AddCustom ("new()");
}
}
IEnumerable<ICompletionData> HandleObjectInitializer(SyntaxTree unit, AstNode n)
{
var p = n.Parent;
while (p != null && !(p is ObjectCreateExpression)) {
p = p.Parent;
}
var parent = n.Parent as ArrayInitializerExpression;
if (parent == null)
return null;
if (parent.IsSingleElement)
parent = (ArrayInitializerExpression)parent.Parent;
if (p != null) {
var contextList = new CompletionDataWrapper(this);
var initializerResult = ResolveExpression(p);
IType initializerType = null;
if (initializerResult.Result is DynamicInvocationResolveResult) {
var dr = (DynamicInvocationResolveResult)initializerResult.Result;
var constructor = (dr.Target as MethodGroupResolveResult).Methods.FirstOrDefault();
if (constructor != null)
initializerType = constructor.DeclaringType;
} else {
initializerType = initializerResult != null ? initializerResult.Result.Type : null;
}
if (initializerType != null && initializerType.Kind != TypeKind.Unknown) {
// check 3 cases:
// 1) New initalizer { xpr
// 2) Object initializer { prop = val1, field = val2, xpr
// 3) Array initializer { new Foo (), a, xpr
// in case 1 all object/array initializer options should be given - in the others not.
AstNode prev = null;
if (parent.Elements.Count > 1) {
prev = parent.Elements.First();
if (prev is ArrayInitializerExpression && ((ArrayInitializerExpression)prev).IsSingleElement)
prev = ((ArrayInitializerExpression)prev).Elements.FirstOrDefault();
}
if (prev != null && !(prev is NamedExpression)) {
AddContextCompletion(contextList, GetState(), n);
// case 3)
return contextList.Result;
}
var lookup = new MemberLookup(ctx.CurrentTypeDefinition, Compilation.MainAssembly);
bool isProtectedAllowed = ctx.CurrentTypeDefinition != null && initializerType.GetDefinition() != null ?
ctx.CurrentTypeDefinition.IsDerivedFrom(initializerType.GetDefinition()) :
false;
foreach (var m in initializerType.GetMembers (m => m.SymbolKind == SymbolKind.Field)) {
var f = m as IField;
if (f != null && (f.IsReadOnly || f.IsConst))
continue;
if (lookup.IsAccessible(m, isProtectedAllowed)) {
var data = contextList.AddMember(m);
if (data != null)
data.DisplayFlags |= DisplayFlags.NamedArgument;
}
}
foreach (IProperty m in initializerType.GetMembers (m => m.SymbolKind == SymbolKind.Property)) {
if (m.CanSet && lookup.IsAccessible(m.Setter, isProtectedAllowed)) {
var data = contextList.AddMember(m);
if (data != null)
data.DisplayFlags |= DisplayFlags.NamedArgument;
}
}
if (prev != null && (prev is NamedExpression)) {
// case 2)
return contextList.Result;
}
// case 1)
// check if the object is a list, if not only provide object initalizers
var list = typeof(System.Collections.IList).ToTypeReference().Resolve(Compilation);
if (initializerType.Kind != TypeKind.Array && list != null) {
var def = initializerType.GetDefinition();
if (def != null && !def.IsDerivedFrom(list.GetDefinition()))
return contextList.Result;
}
AddContextCompletion(contextList, GetState(), n);
return contextList.Result;
}
}
return null;
}
static void AddAttributeProperties(CompletionDataWrapper wrapper, ResolveResult resolved)
{
if (resolved == null || resolved.Type.Kind == TypeKind.Unknown)
return;
foreach (var property in resolved.Type.GetProperties (p => p.Accessibility == Accessibility.Public)) {
wrapper.AddMember(property);
}
foreach (var field in resolved.Type.GetFields (p => p.Accessibility == Accessibility.Public)) {
wrapper.AddMember(field);
}
}
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;
}
void AddExtensionMethods(CompletionDataWrapper result, Conversions conv, List<IType> baseTypes, string namespaceName)
{
if (ctx.CurrentUsingScope == null || ctx.CurrentUsingScope.AllExtensionMethods == null)
return;
foreach (var meths in ctx.CurrentUsingScope.AllExtensionMethods) {
foreach (var m in meths) {
var pt = m.Parameters.First ().Type;
string reflectionName = pt is ParameterizedType ? ((ParameterizedType)pt).GetDefinition ().ReflectionName : pt.ReflectionName;
if (baseTypes.Any (bt => (bt is ParameterizedType ? ((ParameterizedType)bt).GetDefinition ().ReflectionName : bt.ReflectionName) == reflectionName)) {
result.AddMember (m);
}
}
}
}