public ICompletionDataList HandleKeywordCompletion (CodeCompletionContext completionContext, ExpressionResult result, int wordStart, string word)
{
if (stateTracker.Engine.IsInsideDocLineComment || stateTracker.Engine.IsInsideOrdinaryCommentOrString)
return null;
DomLocation location = new DomLocation (completionContext.TriggerLine, completionContext.TriggerLineOffset);
switch (word) {
case "using":
if (result.ExpressionContext != ExpressionContext.NamespaceNameExcepted)
return null;
return CreateCompletionData (location, new NamespaceResolveResult (""), result, null);
case "namespace":
result.ExpressionContext = ExpressionContext.NamespaceNameExcepted;
return CreateCompletionData (location, new NamespaceResolveResult (""), result, null);
case "case":
return CreateCaseCompletionData (location, result);
case ",":
case ":":
if (result.ExpressionContext == ExpressionContext.InheritableType) {
IType cls = NRefactoryResolver.GetTypeAtCursor (Document.CompilationUnit, Document.FileName, new DomLocation (completionContext.TriggerLine, completionContext.TriggerLineOffset));
CompletionDataList completionList = new ProjectDomCompletionDataList ();
List<string> namespaceList = GetUsedNamespaces ();
CSharpTextEditorCompletion.CompletionDataCollector col = new CSharpTextEditorCompletion.CompletionDataCollector (dom, completionList, Document.CompilationUnit, null, location);
bool isInterface = false;
HashSet<string> baseTypeNames = new HashSet<string> ();
if (cls != null) {
baseTypeNames.Add (cls.Name);
if (cls.ClassType == ClassType.Struct)
isInterface = true;
}
int tokenIndex = completionContext.TriggerOffset;
// Search base types " : [Type1, ... ,TypeN,] <Caret>"
string token = null;
do {
token = GetPreviousToken (ref tokenIndex, false);
if (string.IsNullOrEmpty (token))
break;
token = token.Trim ();
if (Char.IsLetterOrDigit (token[0]) || token[0] == '_') {
IType baseType = dom.SearchType (Document.CompilationUnit, Document.CompilationUnit, token);
if (baseType != null) {
if (baseType.ClassType != ClassType.Interface)
isInterface = true;
baseTypeNames.Add (baseType.Name);
}
}
} while (token != ":");
foreach (object o in dom.GetNamespaceContents (namespaceList, true, true)) {
IType type = o as IType;
if (type != null && (type.IsStatic || type.IsSealed || baseTypeNames.Contains (type.Name) || isInterface && type.ClassType != ClassType.Interface)) {
continue;
}
if (o is Namespace && !namespaceList.Any (ns => ns.StartsWith (((Namespace)o).FullName)))
continue;
col.Add (o);
}
// Add inner classes
Stack<IType> innerStack = new Stack<IType> ();
innerStack.Push (cls);
while (innerStack.Count > 0) {
IType curType = innerStack.Pop ();
if (curType == null)
continue;
foreach (IType innerType in curType.InnerTypes) {
if (innerType != cls)
// don't add the calling class as possible base type
col.Add (innerType);
}
if (curType.DeclaringType != null)
innerStack.Push (curType.DeclaringType);
}
return completionList;
}
break;
case "is":
case "as":
{
CompletionDataList completionList = new ProjectDomCompletionDataList ();
ExpressionResult expressionResult = FindExpression (dom, completionContext, wordStart - textEditorData.Caret.Offset);
NRefactoryResolver resolver = CreateResolver ();
ResolveResult resolveResult = resolver.Resolve (expressionResult, new DomLocation (completionContext.TriggerLine, completionContext.TriggerLineOffset));
if (resolveResult != null && resolveResult.ResolvedType != null) {
CompletionDataCollector col = new CompletionDataCollector (dom, completionList, Document.CompilationUnit, resolver.CallingType, location);
IType foundType = null;
if (word == "as") {
ExpressionContext exactContext = new NewCSharpExpressionFinder (dom).FindExactContextForAsCompletion (textEditorData, Document.CompilationUnit, Document.FileName, resolver.CallingType);
if (exactContext is ExpressionContext.TypeExpressionContext) {
foundType = resolver.SearchType (((ExpressionContext.TypeExpressionContext)exactContext).Type);
AddAsCompletionData (col, foundType);
}
}
if (foundType == null)
foundType = resolver.SearchType (resolveResult.ResolvedType);
if (foundType != null) {
if (foundType.ClassType == ClassType.Interface)
foundType = resolver.SearchType (DomReturnType.Object);
foreach (IType type in dom.GetSubclasses (foundType)) {
if (type.IsSpecialName || type.Name.StartsWith ("<"))
continue;
AddAsCompletionData (col, type);
}
}
List<string> namespaceList = GetUsedNamespaces ();
foreach (object o in dom.GetNamespaceContents (namespaceList, true, true)) {
if (o is IType) {
IType type = (IType)o;
if (type.ClassType != ClassType.Interface || type.IsSpecialName || type.Name.StartsWith ("<"))
continue;
// if (foundType != null && !dom.GetInheritanceTree (foundType).Any (x => x.FullName == type.FullName))
// continue;
AddAsCompletionData (col, type);
continue;
}
if (o is Namespace)
continue;
col.Add (o);
}
return completionList;
}
result.ExpressionContext = ExpressionContext.TypeName;
return CreateCtrlSpaceCompletionData (completionContext, result);
}
case "override":
// Look for modifiers, in order to find the beginning of the declaration
int firstMod = wordStart;
int i = wordStart;
for (int n = 0; n < 3; n++) {
string mod = GetPreviousToken (ref i, true);
if (mod == "public" || mod == "protected" || mod == "private" || mod == "internal" || mod == "sealed") {
firstMod = i;
} else if (mod == "static") {
// static methods are not overridable
return null;
} else
break;
}
IType overrideCls = NRefactoryResolver.GetTypeAtCursor (Document.CompilationUnit, Document.FileName, new DomLocation (completionContext.TriggerLine, completionContext.TriggerLineOffset));
if (overrideCls == null)
overrideCls = NRefactoryResolver.GetTypeAtCursor (Document.CompilationUnit, Document.FileName, new DomLocation (completionContext.TriggerLine - 1, 1));
if (overrideCls != null && (overrideCls.ClassType == ClassType.Class || overrideCls.ClassType == ClassType.Struct)) {
string modifiers = textEditorData.GetTextBetween (firstMod, wordStart);
return GetOverrideCompletionData (completionContext, overrideCls, modifiers);
}
return null;
case "partial":
// Look for modifiers, in order to find the beginning of the declaration
firstMod = wordStart;
i = wordStart;
for (int n = 0; n < 3; n++) {
string mod = GetPreviousToken (ref i, true);
if (mod == "public" || mod == "protected" || mod == "private" || mod == "internal" || mod == "sealed") {
firstMod = i;
} else if (mod == "static") {
// static methods are not overridable
return null;
} else
break;
}
overrideCls = NRefactoryResolver.GetTypeAtCursor (Document.CompilationUnit, Document.FileName, new DomLocation (completionContext.TriggerLine, completionContext.TriggerLineOffset));
if (overrideCls != null && (overrideCls.ClassType == ClassType.Class || overrideCls.ClassType == ClassType.Struct)) {
string modifiers = textEditorData.GetTextBetween (firstMod, wordStart);
return GetPartialCompletionData (completionContext, overrideCls, modifiers);
}
return null;
case "new":
IType callingType = NRefactoryResolver.GetTypeAtCursor (Document.CompilationUnit, Document.FileName, new DomLocation (textEditorData.Caret.Line, textEditorData.Caret.Column));
ExpressionContext newExactContext = new NewCSharpExpressionFinder (dom).FindExactContextForNewCompletion (textEditorData, Document.CompilationUnit, Document.FileName, callingType);
if (newExactContext is ExpressionContext.TypeExpressionContext)
return CreateTypeCompletionData (location, callingType, newExactContext, ((ExpressionContext.TypeExpressionContext)newExactContext).Type, ((ExpressionContext.TypeExpressionContext)newExactContext).UnresolvedType);
if (newExactContext == null) {
int j = completionContext.TriggerOffset - 4;
string token = GetPreviousToken (ref j, true);
string yieldToken = GetPreviousToken (ref j, true);
if (token == "return") {
NRefactoryResolver resolver = CreateResolver ();
resolver.SetupResolver (new DomLocation (completionContext.TriggerLine, completionContext.TriggerLineOffset));
IReturnType returnType = resolver.CallingMember.ReturnType;
if (yieldToken == "yield" && returnType.GenericArguments.Count > 0)
returnType = returnType.GenericArguments[0];
if (resolver.CallingMember != null)
return CreateTypeCompletionData (location, callingType, newExactContext, null, returnType);
}
}
return CreateCtrlSpaceCompletionData (completionContext, null);
case "if":
case "elif":
if (stateTracker.Engine.IsInsidePreprocessorDirective)
return GetDefineCompletionData ();
return null;
case "yield":
CompletionDataList yieldDataList = new CompletionDataList ();
yieldDataList.DefaultCompletionString = "return";
yieldDataList.Add ("break", "md-keyword");
yieldDataList.Add ("return", "md-keyword");
return yieldDataList;
case "where":
CompletionDataList whereDataList = new CompletionDataList ();
NRefactoryResolver constraintResolver = CreateResolver ();
constraintResolver.SetupResolver (new DomLocation (completionContext.TriggerLine, completionContext.TriggerLineOffset));
if (constraintResolver.CallingMember is IMethod) {
foreach (ITypeParameter tp in ((IMethod)constraintResolver.CallingMember).TypeParameters) {
whereDataList.Add (tp.Name, "md-keyword");
}
} else {
if (constraintResolver.CallingType != null) {
foreach (ITypeParameter tp in constraintResolver.CallingType.TypeParameters) {
whereDataList.Add (tp.Name, "md-keyword");
}
}
}
return whereDataList;
}
if (IsInLinqContext (result)) {
if (linqKeywords.Contains (word)) {
if (word == "from") // after from no auto code completion.
return null;
result.Expression = "";
return CreateCtrlSpaceCompletionData (completionContext, result);
}
CompletionDataList dataList = new ProjectDomCompletionDataList ();
CompletionDataCollector col = new CompletionDataCollector (dom, dataList, Document.CompilationUnit, null, new DomLocation (completionContext.TriggerLine, completionContext.TriggerLineOffset));
foreach (string kw in linqKeywords) {
col.Add (kw, "md-keyword");
}
return dataList;
}
return null;
}
ICompletionDataList CreateCaseCompletionData (DomLocation location, ExpressionResult expressionResult)
{
NRefactoryResolver resolver = CreateResolver ();
resolver.SetupResolver (location);
SwitchFinder switchFinder = new SwitchFinder (location);
if (resolver.MemberCompilationUnit != null)
switchFinder.VisitCompilationUnit (resolver.MemberCompilationUnit, null);
CompletionDataList result = new ProjectDomCompletionDataList ();
if (switchFinder.SwitchStatement == null)
return result;
ResolveResult resolveResult = resolver.ResolveExpression (switchFinder.SwitchStatement.SwitchExpression, location);
IType type = dom.GetType (resolveResult.ResolvedType);
if (type != null && type.ClassType == ClassType.Enum) {
OutputFlags flags = OutputFlags.None;
var declaringType = resolver.CallingType;
if (declaringType != null && dom != null) {
foreach (IType t in new List<IType>(dom.GetInheritanceTree (declaringType))) {
if (t.SearchMember (type.Name, true).Any (m => m.MemberType != MonoDevelop.Projects.Dom.MemberType.Type)) {
flags |= OutputFlags.UseFullName;
break;
}
}
}
// if (!foundType && (NamePrefix.Length == 0 || !type.Namespace.StartsWith (NamePrefix)) && !type.Namespace.EndsWith ("." + NamePrefix) && type.DeclaringType == null && NamePrefix != null && !NamePrefix.Contains ("::"))
// flags |= OutputFlags.UseFullName;
CompletionDataCollector cdc = new CompletionDataCollector (dom, result, Document.CompilationUnit, resolver.CallingType, location);
cdc.Add (type, flags);
}
return result;
}
CompletionDataList GetDefineCompletionData ()
{
if (Document.Project == null)
return null;
Dictionary<string, string> symbols = new Dictionary<string, string> ();
CompletionDataList cp = new ProjectDomCompletionDataList ();
foreach (DotNetProjectConfiguration conf in Document.Project.Configurations) {
CSharpCompilerParameters cparams = conf.CompilationParameters as CSharpCompilerParameters;
if (cparams != null) {
string[] syms = cparams.DefineSymbols.Split (';');
foreach (string s in syms) {
string ss = s.Trim ();
if (ss.Length > 0 && !symbols.ContainsKey (ss)) {
symbols [ss] = ss;
cp.Add (ss, "md-literal");
}
}
}
}
return cp;
}
CompletionDataList GetPartialCompletionData (CodeCompletionContext ctx, IType type, string modifiers)
{
CompletionDataList result = new ProjectDomCompletionDataList ();
CompoundType partialType = dom.GetType (type.FullName) as CompoundType;
if (partialType != null) {
List<IMethod> methods = new List<IMethod> ();
// gather all partial methods without implementation
foreach (IType part in partialType.Parts) {
if (part.Location == type.Location && part.CompilationUnit.FileName == type.CompilationUnit.FileName)
continue;
foreach (IMethod method in part.Methods) {
if (method.IsPartial && method.BodyRegion.End.Line == 0 && !ContainsDeclaration (type, method)) {
methods.Add (method);
}
}
}
// now filter all methods that are implemented in the compound class
foreach (IType part in partialType.Parts) {
if (part.Location == type.Location && part.CompilationUnit.FileName == type.CompilationUnit.FileName)
continue;
for (int i = 0; i < methods.Count; i++) {
IMethod curMethod = methods[i];
IMethod method = GetDeclaration (part, curMethod);
if (method != null && method.BodyRegion.End.Line != 0) {
methods.RemoveAt (i);
i--;
continue;
}
}
}
foreach (IMethod method in methods) {
NewOverrideCompletionData data = new NewOverrideCompletionData (dom, textEditorData, ctx.TriggerOffset, type, method);
data.GenerateBody = false;
result.Add (data);
}
}
return result;
}
CompletionDataList CreateCtrlSpaceCompletionData (CodeCompletionContext ctx, ExpressionResult expressionResult)
{
NRefactoryResolver resolver = CreateResolver ();
DomLocation cursorLocation = new DomLocation (ctx.TriggerLine, ctx.TriggerLineOffset);
resolver.SetupResolver (cursorLocation);
CompletionDataList result = new ProjectDomCompletionDataList ();
CompletionDataCollector col = new CompletionDataCollector (dom, result, Document.CompilationUnit, resolver.CallingType, cursorLocation);
if (expressionResult == null) {
AddPrimitiveTypes (col);
resolver.AddAccessibleCodeCompletionData (ExpressionContext.Global, col);
} else if (expressionResult.ExpressionContext == ExpressionContext.TypeDeclaration) {
AddPrimitiveTypes (col);
AddNRefactoryKeywords (col, ICSharpCode.NRefactory.Parser.CSharp.Tokens.TypeLevel);
resolver.AddAccessibleCodeCompletionData (expressionResult.ExpressionContext, col);
} else if (expressionResult.ExpressionContext == ExpressionContext.InterfaceDeclaration) {
AddPrimitiveTypes (col);
AddNRefactoryKeywords (col, ICSharpCode.NRefactory.Parser.CSharp.Tokens.InterfaceLevel);
resolver.AddAccessibleCodeCompletionData (expressionResult.ExpressionContext, col);
} else if (expressionResult.ExpressionContext == ExpressionContext.MethodBody) {
col.Add ("global", "md-keyword");
col.Add ("var", "md-keyword");
AddNRefactoryKeywords (col, ICSharpCode.NRefactory.Parser.CSharp.Tokens.StatementStart);
AddPrimitiveTypes (col);
resolver.AddAccessibleCodeCompletionData (expressionResult.ExpressionContext, col);
} else if (expressionResult.ExpressionContext == ExpressionContext.InterfacePropertyDeclaration) {
col.Add ("get", "md-keyword");
col.Add ("set", "md-keyword");
} else if (expressionResult.ExpressionContext == ExpressionContext.ConstraintsStart) {
col.Add ("where", "md-keyword");
} else if (expressionResult.ExpressionContext == ExpressionContext.Constraints) {
col.Add ("new", "md-keyword");
col.Add ("class", "md-keyword");
col.Add ("struct", "md-keyword");
AddPrimitiveTypes (col);
resolver.AddAccessibleCodeCompletionData (expressionResult.ExpressionContext, col);
} else if (expressionResult.ExpressionContext == ExpressionContext.Attribute) {
col.Add ("assembly", "md-keyword");
col.Add ("module", "md-keyword");
col.Add ("type", "md-keyword");
col.Add ("method", "md-keyword");
col.Add ("field", "md-keyword");
col.Add ("property", "md-keyword");
col.Add ("event", "md-keyword");
col.Add ("param", "md-keyword");
col.Add ("return", "md-keyword");
resolver.AddAccessibleCodeCompletionData (expressionResult.ExpressionContext, col);
} else if (expressionResult.ExpressionContext == ExpressionContext.BaseConstructorCall) {
col.Add ("this", "md-keyword");
col.Add ("base", "md-keyword");
} else if (expressionResult.ExpressionContext == ExpressionContext.ParameterType || expressionResult.ExpressionContext == ExpressionContext.FirstParameterType) {
col.Add ("ref", "md-keyword");
col.Add ("out", "md-keyword");
col.Add ("params", "md-keyword");
// C# 3.0 extension method
if (expressionResult.ExpressionContext == ExpressionContext.FirstParameterType)
col.Add ("this", "md-keyword");
AddPrimitiveTypes (col);
resolver.AddAccessibleCodeCompletionData (expressionResult.ExpressionContext, col);
} else if (expressionResult.ExpressionContext == ExpressionContext.PropertyDeclaration) {
AddNRefactoryKeywords (col, ICSharpCode.NRefactory.Parser.CSharp.Tokens.InPropertyDeclaration);
} else if (expressionResult.ExpressionContext == ExpressionContext.EventDeclaration) {
col.Add ("add", "md-keyword");
col.Add ("remove", "md-keyword");
} //else if (expressionResult.ExpressionContext == ExpressionContext.FullyQualifiedType) {}
else if (expressionResult.ExpressionContext == ExpressionContext.Default) {
col.Add ("global", "md-keyword");
col.Add ("var", "md-keyword");
AddPrimitiveTypes (col);
AddNRefactoryKeywords (col, ICSharpCode.NRefactory.Parser.CSharp.Tokens.ExpressionStart);
AddNRefactoryKeywords (col, ICSharpCode.NRefactory.Parser.CSharp.Tokens.ExpressionContent);
resolver.AddAccessibleCodeCompletionData (expressionResult.ExpressionContext, col);
} else if (expressionResult.ExpressionContext == ExpressionContext.Global) {
AddNRefactoryKeywords (col, ICSharpCode.NRefactory.Parser.CSharp.Tokens.GlobalLevel);
CodeTemplateService.AddCompletionDataForMime ("text/x-csharp", result);
} else if (expressionResult.ExpressionContext == ExpressionContext.ObjectInitializer) {
ExpressionContext exactContext = new NewCSharpExpressionFinder (dom).FindExactContextForObjectInitializer (textEditorData, resolver.Unit, Document.FileName, resolver.CallingType);
if (exactContext is ExpressionContext.TypeExpressionContext) {
IReturnType objectInitializer = ((ExpressionContext.TypeExpressionContext)exactContext).UnresolvedType;
if (objectInitializer.ArrayDimensions > 0 || objectInitializer.PointerNestingLevel > 0) {
col.Add ("global", "md-keyword");
col.Add ("new", "md-keyword");
AddPrimitiveTypes (col);
resolver.AddAccessibleCodeCompletionData (expressionResult.ExpressionContext, col);
return result;
}
IType foundType = resolver.SearchType (objectInitializer);
if (foundType == null)
foundType = dom.GetType (objectInitializer);
if (foundType != null) {
bool includeProtected = DomType.IncludeProtected (dom, foundType, resolver.CallingType);
foreach (IType type in dom.GetInheritanceTree (foundType)) {
foreach (IProperty property in type.Properties) {
if (property.IsAccessibleFrom (dom, resolver.CallingType, resolver.CallingMember, includeProtected)) {
col.Add (property);
}
}
foreach (var field in type.Fields) {
if (field.IsAccessibleFrom (dom, resolver.CallingType, resolver.CallingMember, includeProtected)) {
col.Add (field);
}
}
}
}
}
// result.Add ("global", "md-literal");
// AddPrimitiveTypes (result);
// resolver.AddAccessibleCodeCompletionData (expressionResult.ExpressionContext, result);
} else if (expressionResult.ExpressionContext == ExpressionContext.AttributeArguments) {
col.Add ("global", "md-keyword");
AddPrimitiveTypes (col);
string attributeName = NewCSharpExpressionFinder.FindAttributeName (textEditorData, Document.CompilationUnit, Document.FileName);
if (attributeName != null) {
IType type = resolver.SearchType (attributeName + "Attribute");
if (type == null)
type = resolver.SearchType (attributeName);
if (type != null) {
foreach (var property in type.Properties) {
col.Add (property);
}
foreach (var field in type.Fields) {
if (field.IsPublic)
col.Add (field);
}
}
}
resolver.AddAccessibleCodeCompletionData (expressionResult.ExpressionContext, col);
} else if (expressionResult.ExpressionContext == ExpressionContext.IdentifierExpected) {
if (!string.IsNullOrEmpty (expressionResult.Expression))
expressionResult.Expression = expressionResult.Expression.Trim ();
MemberResolveResult resolveResult = resolver.Resolve (expressionResult, cursorLocation) as MemberResolveResult;
if (resolveResult != null && resolveResult.ResolvedMember == null && resolveResult.ResolvedType != null) {
string name = CSharpAmbience.NetToCSharpTypeName (resolveResult.ResolvedType.FullName);
if (name != resolveResult.ResolvedType.FullName) {
col.Add (Char.ToLower (name[0]).ToString (), "md-field");
} else {
name = resolveResult.ResolvedType.Name;
List<string> names = new List<string> ();
int lastNameStart = 0;
for (int i = 1; i < name.Length; i++) {
if (Char.IsUpper (name[i])) {
names.Add (name.Substring (lastNameStart, i - lastNameStart));
lastNameStart = i;
}
}
names.Add (name.Substring (lastNameStart, name.Length - lastNameStart));
StringBuilder possibleName = new StringBuilder ();
for (int i = 0; i < names.Count; i++) {
possibleName.Length = 0;
for (int j = i; j < names.Count; j++) {
if (string.IsNullOrEmpty (names[j]))
continue;
if (j == i)
names[j] = Char.ToLower (names[j][0]) + names[j].Substring (1);
possibleName.Append (names[j]);
}
if (possibleName.Length > 0)
col.Add (possibleName.ToString (), "md-field");
}
result.IsSorted = true;
}
} else {
col.Add ("global", "md-keyword");
AddPrimitiveTypes (col);
resolver.AddAccessibleCodeCompletionData (expressionResult.ExpressionContext, col);
if (expressionResult.ExpressionContext == ExpressionContext.Constraints) {
col.Add ("struct", "md-keyword");
col.Add ("class", "md-keyword");
col.Add ("new()", "md-keyword");
} else {
col.Add ("var", "md-keyword");
}
}
} else if (expressionResult.ExpressionContext == ExpressionContext.TypeName) {
col.Add ("global", "md-keyword");
AddPrimitiveTypes (col);
resolver.AddAccessibleCodeCompletionData (expressionResult.ExpressionContext, col);
} else if (expressionResult.ExpressionContext == ExpressionContext.ForeachInToken) {
col.Add ("in", "md-keyword");
} else {
col.Add ("global", "md-keyword");
col.Add ("var", "md-keyword");
AddPrimitiveTypes (col);
resolver.AddAccessibleCodeCompletionData (expressionResult.ExpressionContext, col);
}
if (resolver.CallingMember is IMethod) {
foreach (ITypeParameter tp in ((IMethod)resolver.CallingMember).TypeParameters) {
col.Add (tp.Name, "md-keyword");
}
}
return result;
}
CompletionDataList GetOverrideCompletionData (CodeCompletionContext ctx, IType type, string modifiers)
{
CompletionDataList result = new ProjectDomCompletionDataList ();
Dictionary<string, bool> alreadyInserted = new Dictionary<string, bool> ();
bool addedVirtuals = false;
foreach (IReturnType baseType in type.BaseTypes) {
AddVirtuals (ctx, alreadyInserted, result, type, modifiers, baseType);
addedVirtuals = true;
}
if (!addedVirtuals)
AddVirtuals (ctx, alreadyInserted, result, type, modifiers, DomReturnType.Object);
return result;
}
public override ICompletionDataList HandleCodeCompletion (CodeCompletionContext completionContext, char completionChar, ref int triggerWordLength)
{
if (textEditorData.CurrentMode is CompletionTextLinkMode) {
if (!((CompletionTextLinkMode)textEditorData.CurrentMode).TriggerCodeCompletion)
return null;
} else if (textEditorData.CurrentMode is Mono.TextEditor.TextLinkEditMode) {
return null;
}
// IDisposable timer = null;
try {
if (dom == null /*|| Document.CompilationUnit == null*/)
return null;
if (completionChar != '#' && stateTracker.Engine.IsInsidePreprocessorDirective)
return null;
// timer = Counters.ResolveTime.BeginTiming ();
DomLocation location = new DomLocation (completionContext.TriggerLine, completionContext.TriggerLineOffset - 1);
stateTracker.UpdateEngine ();
ExpressionResult result;
int cursor, newCursorOffset = 0;
switch (completionChar) {
case ':':
case '.':
if (stateTracker.Engine.IsInsideDocLineComment || stateTracker.Engine.IsInsideOrdinaryCommentOrString)
return null;
result = FindExpression (dom, completionContext);
if (result == null || result.Expression == null)
return null;
int idx = result.Expression.LastIndexOf ('.');
if (idx > 0)
result.Expression = result.Expression.Substring (0, idx);
// don't parse expressions that end with more than 1 dot - see #646820
if (result.Expression.EndsWith ("."))
return null;
NRefactoryResolver resolver = CreateResolver ();
ResolveResult resolveResult = resolver.Resolve (result, location);
if (resolver.ResolvedExpression is ICSharpCode.NRefactory.Ast.PrimitiveExpression) {
ICSharpCode.NRefactory.Ast.PrimitiveExpression pex = (ICSharpCode.NRefactory.Ast.PrimitiveExpression)resolver.ResolvedExpression;
if (!tryToForceCompletion && !(pex.Value is string || pex.Value is char || pex.Value is bool))
return null;
}
return CreateCompletionData (location, resolveResult, result, resolver);
case '#':
if (stateTracker.Engine.IsInsidePreprocessorDirective)
return GetDirectiveCompletionData ();
return null;
case '>':
cursor = textEditorData.IsSomethingSelected ? textEditorData.SelectionRange.Offset : textEditorData.Caret.Offset;
if (stateTracker.Engine.IsInsideDocLineComment) {
string lineText = textEditorData.GetLineText (completionContext.TriggerLine);
int startIndex = Math.Min (completionContext.TriggerLineOffset - 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 <= completionContext.TriggerLineOffset && 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) {
textEditorData.Insert (cursor, "</" + tag + ">");
textEditorData.Caret.Offset = cursor;
return null;
}
}
}
return null;
/* Disabled because it gives problems when declaring arrays - for example string [] should not pop up code completion.
case '[':
if (stateTracker.Engine.IsInsideDocLineComment || stateTracker.Engine.IsInsideOrdinaryCommentOrString)
return null;
result = FindExpression (dom, completionContext);
if (result.ExpressionContext == ExpressionContext.Attribute)
return CreateCtrlSpaceCompletionData (completionContext, result);
return null;*/
case '<':
if (stateTracker.Engine.IsInsideDocLineComment)
return GetXmlDocumentationCompletionData ();
return null;
case '(':
if (stateTracker.Engine.IsInsideDocLineComment || stateTracker.Engine.IsInsideOrdinaryCommentOrString)
return null;
result = FindExpression (dom, completionContext, -1);
if (result == null || result.Expression == null)
return null;
resolver = CreateResolver ();
resolveResult = resolver.Resolve (result, new DomLocation (completionContext.TriggerLine, completionContext.TriggerLineOffset - 2));
if (resolveResult != null && resolver.ResolvedExpression is ICSharpCode.NRefactory.Ast.TypeOfExpression) {
CompletionDataList completionList = new ProjectDomCompletionDataList ();
CompletionDataCollector col = new CompletionDataCollector (dom, completionList, Document.CompilationUnit, resolver.CallingType, location);
AddPrimitiveTypes (col);
foreach (object o in dom.GetNamespaceContents (GetUsedNamespaces (), true, true)) {
col.Add (o);
}
if (resolver.CallingMember is IMethod) {
foreach (ITypeParameter tp in ((IMethod)resolver.CallingMember).TypeParameters) {
col.Add (tp.Name, "md-keyword");
}
}
if (resolver.CallingType != null) {
foreach (ITypeParameter tp in resolver.CallingType.TypeParameters) {
col.Add (tp.Name, "md-keyword");
}
}
return completionList;
}
return null;
case '/':
cursor = textEditorData.IsSomethingSelected ? textEditorData.SelectionRange.Offset : textEditorData.Caret.Offset;
if (cursor < 2)
break;
if (stateTracker.Engine.IsInsideDocLineComment) {
string lineText = textEditorData.GetLineText (completionContext.TriggerLine);
bool startsDocComment = true;
int slashes = 0;
for (int i = 0; i < completionContext.TriggerLineOffset && i < lineText.Length; i++) {
if (lineText[i] == '/') {
slashes++;
continue;
}
if (!Char.IsWhiteSpace (lineText[i])) {
startsDocComment = false;
break;
}
}
// check if lines above already start a doc comment
for (int i = completionContext.TriggerLine - 2; i >= 1; i--) {
string text = textEditorData.GetLineText (i);
if (text.Length == 0)
continue;
if (text.StartsWith ("///")) {
startsDocComment = false;
break;
}
break;
}
// check if following lines start a doc comment
for (int i = completionContext.TriggerLine; i <= textEditorData.Document.LineCount; i++) {
string text = textEditorData.GetLineText (i);
if (text == null)
break;
text = text.Trim ();
if (text.Length == 0)
continue;
if (text.StartsWith ("///")) {
startsDocComment = false;
break;
}
break;
}
if (!startsDocComment || slashes != 3)
break;
StringBuilder generatedComment = new StringBuilder ();
bool generateStandardComment = true;
ParsedDocument currentParsedDocument = Document.UpdateParseDocument ();
IType insideClass = NRefactoryResolver.GetTypeAtCursor (currentParsedDocument.CompilationUnit, Document.FileName, location);
if (insideClass != null) {
string indent = textEditorData.Document.GetLineIndent (completionContext.TriggerLine);
if (insideClass.ClassType == ClassType.Delegate) {
AppendSummary (generatedComment, indent, out newCursorOffset);
IMethod m = null;
foreach (IMethod method in insideClass.Methods)
m = method;
AppendMethodComment (generatedComment, indent, m);
generateStandardComment = false;
} else {
if (!IsInsideClassBody (insideClass, completionContext.TriggerLine, completionContext.TriggerLineOffset))
break;
string body = GenerateBody (insideClass, completionContext.TriggerLine, indent, out newCursorOffset);
if (!String.IsNullOrEmpty (body)) {
generatedComment.Append (body);
generateStandardComment = false;
}
}
}
if (generateStandardComment) {
string indent = textEditorData.Document.GetLineIndent (completionContext.TriggerLine);
AppendSummary (generatedComment, indent, out newCursorOffset);
}
textEditorData.Document.EndAtomicUndo ();
textEditorData.Document.BeginAtomicUndo ();
textEditorData.Insert (cursor, generatedComment.ToString ());
textEditorData.Caret.Offset = cursor + newCursorOffset;
return null;
}
return null;
// case '\n':
// case '\r': {
// if (stateTracker.Engine.IsInsideDocLineComment || stateTracker.Engine.IsInsideOrdinaryCommentOrString)
// return null;
// result = FindExpression (dom, completionContext);
// if (result == null)
// return null;
//
//
// int tokenIndex = completionContext.TriggerOffset;
// string token = GetPreviousToken (ref tokenIndex, false);
// if (result.ExpressionContext == ExpressionContext.ObjectInitializer) {
// if (token == "{" || token == ",")
// return CreateCtrlSpaceCompletionData (completionContext, result);
// }
// return null;
// }
case ' ':
if (stateTracker.Engine.IsInsideDocLineComment || stateTracker.Engine.IsInsideOrdinaryCommentOrString)
return null;
result = FindExpression (dom, completionContext);
if (result == null)
return null;
int tokenIndex = completionContext.TriggerOffset;
string token = GetPreviousToken (ref tokenIndex, false);
if (result.ExpressionContext == ExpressionContext.ObjectInitializer) {
resolver = CreateResolver ();
ExpressionContext exactContext = new NewCSharpExpressionFinder (dom).FindExactContextForObjectInitializer (textEditorData, 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 "==":
result = FindExpression (dom, completionContext, tokenIndex - completionContext.TriggerOffset - 1);
resolver = CreateResolver ();
resolveResult = resolver.Resolve (result, location);
if (resolveResult != null) {
IType resolvedType = dom.GetType (resolveResult.ResolvedType);
if (resolvedType == null)
return null;
if (resolvedType.ClassType == ClassType.Enum) {
CompletionDataList completionList = new ProjectDomCompletionDataList ();
CompletionDataCollector cdc = new CompletionDataCollector (dom, completionList, Document.CompilationUnit, resolver.CallingType, location);
IReturnType returnType = new DomReturnType (resolvedType);
bool added = false;
foreach (IUsing u in Document.CompilationUnit.Usings) {
foreach (KeyValuePair<string, IReturnType> alias in u.Aliases) {
if (alias.Value.ToInvariantString () == returnType.ToInvariantString ()) {
cdc.Add (alias.Key, "md-class");
added = true;
}
}
}
if (!added)
cdc.Add (returnType);/*
foreach (object o in CreateCtrlSpaceCompletionData (completionContext, result)) {
MemberCompletionData memberData = o as MemberCompletionData;
if (memberData == null || memberData.Member == null) {
completionList.Add (o as CompletionData);
continue;
}
if (memberData.Member is IMember) {
returnType = ((IMember)memberData.Member).ReturnType;
} else if (memberData.Member is IParameter) {
returnType = ((IParameter)memberData.Member).ReturnType;
} else {
returnType = ((LocalVariable)memberData.Member).ReturnType;
}
// filter out void types
if (returnType != null && returnType.FullName != DomReturnType.Void.FullName)
completionList.Add (memberData);
}*/
completionList.AutoCompleteEmptyMatch = false;
resolver.AddAccessibleCodeCompletionData (result.ExpressionContext, cdc);
return completionList;
}
if (resolvedType.FullName == DomReturnType.Bool.FullName) {
CompletionDataList completionList = new ProjectDomCompletionDataList ();
CompletionDataCollector cdc = new CompletionDataCollector (dom, completionList, Document.CompilationUnit, resolver.CallingType, location);
completionList.AutoCompleteEmptyMatch = false;
cdc.Add ("true", "md-keyword");
cdc.Add ("false", "md-keyword");
/* foreach (object o in CreateCtrlSpaceCompletionData (completionContext, result)) {
MemberCompletionData memberData = o as MemberCompletionData;
if (memberData == null || memberData.Member == null) {
completionList.Add (o as CompletionData);
continue;
}
IReturnType returnType = null;
if (memberData.Member is IMember) {
returnType = ((IMember)memberData.Member).ReturnType;
} else if (memberData.Member is IParameter) {
returnType = ((IParameter)memberData.Member).ReturnType;
} else {
returnType = ((LocalVariable)memberData.Member).ReturnType;
}
// filter out void types
if (returnType != null && returnType.FullName != DomReturnType.Void.FullName)
completionList.Add (memberData);
}*/
resolver.AddAccessibleCodeCompletionData (result.ExpressionContext, cdc);
return completionList;
}
if (resolvedType.ClassType == ClassType.Delegate && token == "=") {
IMethod delegateMethod = resolvedType.Methods.First ();
CompletionDataList completionList = new ProjectDomCompletionDataList ();
completionList.Add ("delegate", "md-keyword", GettextCatalog.GetString ("Creates anonymous delegate."), "delegate {" + Document.Editor.EolMarker + stateTracker.Engine.ThisLineIndent + TextEditorProperties.IndentString + "|" + Document.Editor.EolMarker + stateTracker.Engine.ThisLineIndent +"};");
StringBuilder sb = new StringBuilder ("(");
for (int k = 0; k < delegateMethod.Parameters.Count; k++) {
if (k > 0)
sb.Append (", ");
IType parameterType = dom.GetType (delegateMethod.Parameters[k].ReturnType);
IReturnType returnType = parameterType != null ? new DomReturnType (parameterType) : delegateMethod.Parameters[k].ReturnType;
sb.Append (CompletionDataCollector.ambience.GetString (Document.CompilationUnit.ShortenTypeName (returnType, textEditorData.Caret.Line, textEditorData.Caret.Column), OutputFlags.ClassBrowserEntries | OutputFlags.UseFullName | OutputFlags.UseFullInnerTypeName));
sb.Append (" ");
sb.Append (delegateMethod.Parameters[k].Name);
}
sb.Append (")");
completionList.Add ("delegate" + sb, "md-keyword", GettextCatalog.GetString ("Creates anonymous delegate."), "delegate" + sb + " {" + Document.Editor.EolMarker + stateTracker.Engine.ThisLineIndent + TextEditorProperties.IndentString + "|" + Document.Editor.EolMarker + stateTracker.Engine.ThisLineIndent +"};");
string varName = GetPreviousToken (ref tokenIndex, false);
varName = GetPreviousToken (ref tokenIndex, false);
if (varName != ".") {
varName = null;
} else {
List<string> names = new List<string> ();
while (varName == ".") {
varName = GetPreviousToken (ref tokenIndex, false);
if (varName == "this") {
names.Add ("handle");
} else if (varName != null) {
string trimmedName = varName.Trim ();
if (trimmedName.Length == 0)
break;
names.Insert (0, trimmedName);
}
varName = GetPreviousToken (ref tokenIndex, false);
}
varName = String.Join ("", names.ToArray ());
foreach (char ch in varName) {
if (!char.IsLetterOrDigit (ch) && ch != '_') {
varName = "";
break;
}
}
}
completionList.Add (new EventCreationCompletionData (textEditorData, varName, resolvedType, null, sb.ToString (), resolver.CallingMember, resolvedType));
return completionList;
}
}
return null;
case "+=":
case "-=":
if (stateTracker.Engine.IsInsideDocLineComment || stateTracker.Engine.IsInsideOrdinaryCommentOrString)
return null;
result = FindExpression (dom, completionContext, tokenIndex - completionContext.TriggerOffset);
resolver = CreateResolver ();
resolveResult = resolver.Resolve (result, location);
if (resolveResult is MemberResolveResult) {
MemberResolveResult mrr = resolveResult as MemberResolveResult;
IEvent evt = mrr.ResolvedMember as IEvent;
if (evt == null)
return null;
IType delegateType = resolver.SearchType (evt.ReturnType);
if (delegateType == null || delegateType.ClassType != ClassType.Delegate)
return null;
CompletionDataList completionList = new ProjectDomCompletionDataList ();
CompletionDataCollector cdc = new CompletionDataCollector (dom, completionList, Document.CompilationUnit, resolver.CallingType, location);
IType declaringType = resolver.CallingType;
if (Document.LastErrorFreeParsedDocument != null) {
declaringType = Document.LastErrorFreeParsedDocument.CompilationUnit.GetType (declaringType.FullName, declaringType.TypeParameters.Count);
}
IType typeFromDatabase = null;
if (declaringType != null) {
typeFromDatabase = dom.GetType (declaringType.FullName, new DomReturnType (declaringType).GenericArguments) ?? declaringType;
bool includeProtected = DomType.IncludeProtected (dom, typeFromDatabase, resolver.CallingType);
foreach (IType type in dom.GetInheritanceTree (typeFromDatabase)) {
foreach (IMethod method in type.Methods) {
if (method.IsAccessibleFrom (dom, resolver.CallingType, resolver.CallingMember, includeProtected) && MatchDelegate (delegateType, method)) {
CompletionData data = cdc.Add (method);
data.SetText (data.CompletionText + ";");
}
}
}
}
if (token == "+=") {
IMethod delegateMethod = delegateType.Methods.First ();
completionList.Add ("delegate", "md-keyword", GettextCatalog.GetString ("Creates anonymous delegate."), "delegate {" + Document.Editor.EolMarker + stateTracker.Engine.ThisLineIndent + TextEditorProperties.IndentString + "|" + Document.Editor.EolMarker + stateTracker.Engine.ThisLineIndent +"};");
StringBuilder sb = new StringBuilder ("(");
for (int k = 0; k < delegateMethod.Parameters.Count; k++) {
if (k > 0)
sb.Append (", ");
IType parameterType = dom.GetType (delegateMethod.Parameters[k].ReturnType);
IReturnType returnType = parameterType != null ? new DomReturnType (parameterType) : delegateMethod.Parameters[k].ReturnType;
sb.Append (CompletionDataCollector.ambience.GetString (Document.CompilationUnit.ShortenTypeName (returnType, textEditorData.Caret.Line, textEditorData.Caret.Column), OutputFlags.ClassBrowserEntries | OutputFlags.UseFullName | OutputFlags.UseFullInnerTypeName));
sb.Append (" ");
sb.Append (delegateMethod.Parameters[k].Name);
}
sb.Append (")");
completionList.Add ("delegate" + sb, "md-keyword", GettextCatalog.GetString ("Creates anonymous delegate."), "delegate" + sb + " {" + Document.Editor.EolMarker + stateTracker.Engine.ThisLineIndent + TextEditorProperties.IndentString + "|" + Document.Editor.EolMarker + stateTracker.Engine.ThisLineIndent +"};");
string varName = GetPreviousToken (ref tokenIndex, false);
varName = GetPreviousToken (ref tokenIndex, false);
if (varName != ".") {
varName = null;
} else {
List<string> names = new List<string> ();
while (varName == ".") {
varName = GetPreviousToken (ref tokenIndex, false);
if (varName == "this") {
names.Add ("handle");
} else if (varName != null) {
string trimmedName = varName.Trim ();
if (trimmedName.Length == 0)
break;
names.Insert (0, trimmedName);
}
varName = GetPreviousToken (ref tokenIndex, false);
}
varName = String.Join ("", names.ToArray ());
foreach (char ch in varName) {
if (!char.IsLetterOrDigit (ch) && ch != '_') {
varName = "";
break;
}
}
}
completionList.Add (new EventCreationCompletionData (textEditorData, varName, delegateType, evt, sb.ToString (), resolver.CallingMember, typeFromDatabase));
}
return completionList;
}
return null;
}
return HandleKeywordCompletion (completionContext, result, tokenIndex, token);
default:
if ((Char.IsLetter (completionChar) || completionChar == '_') && TextEditorProperties.EnableAutoCodeCompletion
&& !stateTracker.Engine.IsInsideDocLineComment
&& !stateTracker.Engine.IsInsideOrdinaryCommentOrString)
{
char prevCh = completionContext.TriggerOffset > 2
? textEditorData.GetCharAt (completionContext.TriggerOffset - 2)
: '\0';
char nextCh = completionContext.TriggerOffset < textEditorData.Length
? textEditorData.GetCharAt (completionContext.TriggerOffset)
: ' ';
const string allowedChars = ";,[(){}+-*/%^?:&|~!<>=";
if (!Char.IsWhiteSpace (nextCh) && allowedChars.IndexOf (nextCh) < 0)
return null;
if (Char.IsWhiteSpace (prevCh) || allowedChars.IndexOf (prevCh) >= 0)
{
result = FindExpression (dom, completionContext, -1);
if (result == null)
return null;
if (IsInLinqContext (result)) {
tokenIndex = completionContext.TriggerOffset;
token = GetPreviousToken (ref tokenIndex, false); // token last typed
token = GetPreviousToken (ref tokenIndex, false); // possible linq keyword ?
triggerWordLength = 1;
if (linqKeywords.Contains (token)) {
if (token == "from") // after from no auto code completion.
return null;
result.Expression = "";
return CreateCtrlSpaceCompletionData (completionContext, result);
}
CompletionDataList dataList = new ProjectDomCompletionDataList ();
CompletionDataCollector col = new CompletionDataCollector (dom, dataList, Document.CompilationUnit, null, new DomLocation (completionContext.TriggerLine, completionContext.TriggerLineOffset));
foreach (string kw in linqKeywords) {
col.Add (kw, "md-keyword");
}
return dataList;
} else if (result.ExpressionContext != ExpressionContext.IdentifierExpected) {
triggerWordLength = 1;
bool autoSelect = true;
int cpos;
if ((prevCh == ',' || prevCh == '(') && GetParameterCompletionCommandOffset (out cpos)) {
CodeCompletionContext ctx = CompletionWidget.CreateCodeCompletionContext (cpos);
NRefactoryParameterDataProvider provider = ParameterCompletionCommand (ctx) as NRefactoryParameterDataProvider;
if (provider != null) {
int i = provider.GetCurrentParameterIndex (CompletionWidget, ctx) - 1;
if (i < provider.Methods[0].Parameters.Count) {
IType returnType = dom.GetType (provider.Methods[0].Parameters[i].ReturnType);
autoSelect = returnType == null || returnType.ClassType != ClassType.Delegate;
}
}
}
if (result.ExpressionContext == ExpressionContext.TypeName)
autoSelect = false;
CompletionDataList dataList = CreateCtrlSpaceCompletionData (completionContext, result);
dataList.AutoSelect = autoSelect;
return dataList;
} else {
result = FindExpression (dom, completionContext, 0);
tokenIndex = completionContext.TriggerOffset;
// 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 != "(")
possibleForeachToken = GetPreviousToken (ref tokenIndex, false);
} else {
possibleForeachToken = GetPreviousToken (ref tokenIndex, false); // (
if (possibleForeachToken == ".")
while (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;
// identifier has already started with the first letter
completionContext.TriggerOffset--;
completionContext.TriggerLineOffset--;
completionContext.TriggerWordLength = 1;
return CreateCtrlSpaceCompletionData (completionContext, result);
}
}
}
break;
}
} catch (Exception e) {
LoggingService.LogError ("Unexpected code completion exception." + Environment.NewLine +
"FileName: " + Document.FileName + Environment.NewLine +
"Position: line=" + completionContext.TriggerLine + " col=" + completionContext.TriggerLineOffset + Environment.NewLine +
"Line text: " + Document.Editor.GetLineText (completionContext.TriggerLine),
e);
} finally {
// if (timer != null)
// timer.Dispose ();
}
return null;
}
CompletionDataList CreateTypeCompletionData (DomLocation location, IType callingType, ExpressionContext context, IReturnType returnType, IReturnType returnTypeUnresolved)
{
CompletionDataList result = new ProjectDomCompletionDataList ();
// "var o = new " needs special treatment.
if (returnType == null && returnTypeUnresolved != null && returnTypeUnresolved.FullName == "var")
returnType = returnTypeUnresolved = DomReturnType.Object;
// ExpressionContext.TypeExpressionContext tce = context as ExpressionContext.TypeExpressionContext;
CompletionDataCollector col = new CompletionDataCollector (dom, result, Document.CompilationUnit, callingType, location);
IType type = null;
if (returnType != null)
type = dom.GetType (returnType);
if (type == null)
type = dom.SearchType (Document.CompilationUnit, (MonoDevelop.Projects.Dom.INode)Document.CompilationUnit ?? callingType, returnTypeUnresolved);
// special handling for nullable types: Bug 674516 - new completion for nullables should not include "Nullable"
if (type is InstantiatedType && ((InstantiatedType)type).UninstantiatedType.FullName == "System.Nullable" && ((InstantiatedType)type).GenericParameters.Count == 1) {
var genericParameter = ((InstantiatedType)type).GenericParameters[0];
returnType = returnTypeUnresolved = Document.CompilationUnit.ShortenTypeName (genericParameter, location);
type = dom.SearchType (Document.CompilationUnit, (MonoDevelop.Projects.Dom.INode)Document.CompilationUnit ?? callingType, genericParameter);
}
if (type == null || !(type.IsAbstract || type.ClassType == ClassType.Interface)) {
if (type == null || type.ConstructorCount == 0 || type.Methods.Any (c => c.IsConstructor && c.IsAccessibleFrom (dom, callingType, type, callingType != null && dom.GetInheritanceTree (callingType).Any (x => x.FullName == type.FullName)))) {
if (returnTypeUnresolved != null) {
col.FullyQualify = true;
CompletionData unresovedCompletionData = col.Add (returnTypeUnresolved);
col.FullyQualify = false;
// don't set default completion string for arrays, since it interferes with:
// string[] arr = new string[] vs new { "a"}
if (returnTypeUnresolved.ArrayDimensions == 0)
result.DefaultCompletionString = StripGenerics (unresovedCompletionData.CompletionText);
} else {
CompletionData unresovedCompletionData = col.Add (returnType);
if (returnType.ArrayDimensions == 0)
result.DefaultCompletionString = StripGenerics (unresovedCompletionData.CompletionText);
}
}
}
// if (tce != null && tce.Type != null) {
// result.DefaultCompletionString = StripGenerics (col.AddCompletionData (result, tce.Type).CompletionString);
// }
// else {
// }
if (type == null)
return result;
HashSet<string> usedNamespaces = new HashSet<string> (GetUsedNamespaces ());
if (type.FullName == DomReturnType.Object.FullName)
AddPrimitiveTypes (col);
foreach (IType curType in dom.GetSubclasses (type)) {
if (context != null && context.FilterEntry (curType))
continue;
if ((curType.TypeModifier & TypeModifier.HasOnlyHiddenConstructors) == TypeModifier.HasOnlyHiddenConstructors)
continue;
if (usedNamespaces.Contains (curType.Namespace)) {
if (curType.ConstructorCount > 0) {
if (!(curType.Methods.Any (c => c.IsConstructor && c.IsAccessibleFrom (dom, curType, callingType, callingType != null && dom.GetInheritanceTree (callingType).Any (x => x.FullName == curType.FullName)))))
continue;
}
col.Add (curType);
} else {
string nsName = curType.Namespace;
int idx = nsName.IndexOf ('.');
if (idx >= 0)
nsName = nsName.Substring (0, idx);
col.Add (new Namespace (nsName));
}
}
// add aliases
if (returnType != null) {
foreach (IUsing u in Document.CompilationUnit.Usings) {
foreach (KeyValuePair<string, IReturnType> alias in u.Aliases) {
if (alias.Value.ToInvariantString () == returnType.ToInvariantString ())
result.Add (alias.Key, "md-class");
}
}
}
return result;
}
ICompletionDataList CreateCompletionData (DomLocation location, ResolveResult resolveResult,
ExpressionResult expressionResult, NRefactoryResolver resolver)
{
if (resolveResult == null || expressionResult == null || dom == null)
return null;
CompletionDataList result = new ProjectDomCompletionDataList ();
IEnumerable<object> objects = resolveResult.CreateResolveResult (dom, resolver != null ? resolver.CallingMember : null);
CompletionDataCollector col = new CompletionDataCollector (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;
}
public CompletionDataList CreateParameterCompletion (NRefactoryResolver resolver, DomLocation location, ExpressionContext context, IEnumerable<IMethod> possibleMethods, int parameter)
{
CompletionDataList completionList = new ProjectDomCompletionDataList ();
var addedEnums = new HashSet<string> ();
var addedDelegates = new HashSet<string> ();
IType resolvedType = null;
foreach (var method in possibleMethods) {
if (method.Parameters.Count <= parameter)
continue;
resolvedType = dom.GetType (method.Parameters [parameter].ReturnType);
if (resolvedType == null)
continue;
switch (resolvedType.ClassType) {
case MonoDevelop.Projects.Dom.ClassType.Enum:
if (addedEnums.Contains (resolvedType.DecoratedFullName))
continue;
addedEnums.Add (resolvedType.DecoratedFullName);
AddEnumMembers (completionList, resolvedType);
break;
case MonoDevelop.Projects.Dom.ClassType.Delegate:
if (addedDelegates.Contains (resolvedType.DecoratedFullName))
continue;
addedDelegates.Add (resolvedType.DecoratedFullName);
string parameterDefinition = AddDelegateHandlers (completionList, resolvedType, false, addedDelegates.Count == 1);
string varName = "Handle" + method.Parameters [parameter].ReturnType.Name + method.Parameters [parameter].Name;
completionList.Add (new EventCreationCompletionData (textEditorData, varName, resolvedType, null, parameterDefinition, resolver.Unit.GetMemberAt (location), resolvedType) { AddSemicolon = false });
break;
}
}
if (addedEnums.Count + addedDelegates.Count == 0)
return null;
CompletionDataCollector cdc = new CompletionDataCollector (this, dom, completionList, Document.CompilationUnit, resolver.CallingType, location);
completionList.AutoCompleteEmptyMatch = false;
completionList.AutoSelect = false;
resolver.AddAccessibleCodeCompletionData (ExpressionContext.MethodBody, cdc);
if (addedDelegates.Count > 0) {
foreach (var data in completionList) {
if (data is MemberCompletionData)
((MemberCompletionData)data).IsDelegateExpected = true;
}
}
return completionList;
}
ICompletionDataList CreateCaseCompletionData (DomLocation location, ExpressionResult expressionResult)
{
NRefactoryResolver resolver = CreateResolver ();
resolver.SetupResolver (location);
SwitchFinder switchFinder = new SwitchFinder (location);
if (resolver.MemberCompilationUnit != null)
switchFinder.VisitCompilationUnit (resolver.MemberCompilationUnit, null);
CompletionDataList result = new ProjectDomCompletionDataList ();
if (switchFinder.SwitchStatement == null)
return result;
ResolveResult resolveResult = resolver.ResolveExpression (switchFinder.SwitchStatement.SwitchExpression, location);
IType type = dom.GetType (resolveResult.ResolvedType);
if (type != null && type.ClassType == ClassType.Enum) {
CompletionDataCollector cdc = new CompletionDataCollector (dom, result, Document.CompilationUnit, resolver.CallingType, location);
cdc.Add (type);
}
return result;
}
public CompletionDataList CreatePossibleEnumCompletion (NRefactoryResolver resolver, DomLocation location, ExpressionContext context, IEnumerable<IMethod> possibleMethods, int parameter)
{
CompletionDataList completionList = new ProjectDomCompletionDataList ();
var addedEnums = new HashSet<string> ();
IType resolvedType = null;
foreach (var method in possibleMethods) {
if (method.Parameters.Count <= parameter)
continue;
resolvedType = dom.GetType (method.Parameters [parameter].ReturnType);
if (resolvedType == null || resolvedType.ClassType != ClassType.Enum)
continue;
if (addedEnums.Contains (resolvedType.DecoratedFullName))
continue;
addedEnums.Add (resolvedType.DecoratedFullName);
AddEnumMembers (completionList, resolvedType);
}
if (addedEnums.Count == 0)
return null;
CompletionDataCollector cdc = new CompletionDataCollector (dom, completionList, Document.CompilationUnit, resolver.CallingType, location);
completionList.AutoCompleteEmptyMatch = false;
//completionList.AutoSelect = false;
resolver.AddAccessibleCodeCompletionData (context, cdc);
return completionList;
}
