bool ShowInsight(
int caretOffset,
CSharpCompletionContext completionContext,
CSharpCompletionDataFactory completionFactory,
char completionChar)
{
if (CodeCompletionOptions.InsightEnabled)
{
// Method Insight
var pce = new CSharpParameterCompletionEngine(
completionContext.Document,
completionContext.CompletionContextProvider,
completionFactory,
completionContext.ProjectContent,
completionContext.TypeResolveContextAtCaret
);
var newInsight = pce.GetParameterDataProvider(caretOffset, completionChar) as CSharpMethodInsight;
if (newInsight != null && newInsight.items.Count > 0)
{
newInsight.UpdateHighlightedParameter(pce);
newInsight.Show();
return(true);
}
}
return(false);
}
// 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 (this, dom, result, Document.CompilationUnit, callingType, location);
// IType type = null;
// if (returnType != null)
// type = dom.GetType (returnType);
// if (type == null)
// type = dom.SearchType (Document.CompilationUnit, callingType, location, 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, callingType, location, 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;
// }
// IEnumerable<ICompletionData> GetDefineCompletionData ()
// {
// if (Document.Project == null)
// yield break;
//
// var symbols = new Dictionary<string, string> ();
// var cp = new ProjectDomCompletionDataList ();
// foreach (DotNetProjectConfiguration conf in Document.Project.Configurations) {
// var 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;
// yield return factory.CreateLiteralCompletionData (ss);
// }
// }
// }
// }
// }
public override ParameterDataProvider HandleParameterCompletion(CodeCompletionContext completionContext, char completionChar)
{
if (!EnableCodeCompletion)
{
return(null);
}
if (Unit == null || CSharpUnresolvedFile == null)
{
return(null);
}
try {
var engine = new CSharpParameterCompletionEngine(
TextEditorData.Document,
typeSystemSegmentTree,
this,
Document.GetProjectContext(),
CSharpUnresolvedFile.GetTypeResolveContext(Document.Compilation, document.Editor.Caret.Location) as CSharpTypeResolveContext
);
return(engine.GetParameterDataProvider(completionContext.TriggerOffset, completionChar) as ParameterDataProvider);
} catch (Exception e) {
LoggingService.LogError("Unexpected parameter 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);
return(null);
} finally {
// if (timer != null)
// timer.Dispose ();
}
}
static int GetIndex(string text)
{
var editorText = new StringBuilder();
int trigger = 0, end = 0;
for (int i = 0; i < text.Length; i++)
{
if (text[i] == '@')
{
trigger = editorText.Length;
continue;
}
if (text[i] == '$')
{
end = editorText.Length;
continue;
}
editorText.Append(text [i]);
}
var doc = new ReadOnlyDocument(editorText.ToString());
var pctx = new CSharpProjectContent();
var rctx = new CSharpTypeResolveContext(pctx.CreateCompilation().MainAssembly);
var ctxProvider = new DefaultCompletionContextProvider(doc, new CSharpUnresolvedFile());
var engine = new CSharpParameterCompletionEngine(doc, ctxProvider, new ParameterCompletionTests.TestFactory(pctx), pctx, rctx);
return(engine.GetCurrentParameterIndex(trigger, end));
}
public void UpdateHighlightedParameter(CSharpParameterCompletionEngine pce)
{
int parameterIndex = pce.GetCurrentParameterIndex(window != null ? window.StartOffset : startOffset, editor.Caret.Offset);
if (parameterIndex < 0 && window != null)
{
window.Close();
}
else
{
if (window == null || parameterIndex > ((CSharpInsightItem)window.SelectedItem).Method.Parameters.Count)
{
var newItem = items.FirstOrDefault(i => parameterIndex <= i.Method.Parameters.Count);
if (newItem != null)
{
if (window != null)
{
window.SelectedItem = newItem;
}
else
{
initiallySelectedItem = newItem;
}
}
}
if (parameterIndex > 0)
{
parameterIndex--; // NR returns 1-based parameter index
}
foreach (var item in items)
{
item.HighlightParameter(parameterIndex);
}
}
}
internal static IParameterDataProvider CreateProvider(string text)
{
string parsedText;
string editorText;
int cursorPosition = text.IndexOf('$');
int endPos = text.IndexOf('$', cursorPosition + 1);
if (endPos == -1)
{
parsedText = editorText = text.Substring(0, cursorPosition) + text.Substring(cursorPosition + 1);
}
else
{
parsedText = text.Substring(0, cursorPosition) + new string (' ', endPos - cursorPosition) + text.Substring(endPos + 1);
editorText = text.Substring(0, cursorPosition) + text.Substring(cursorPosition + 1, endPos - cursorPosition - 1) + text.Substring(endPos + 1);
cursorPosition = endPos - 1;
}
var doc = new ReadOnlyDocument(editorText);
IProjectContent pctx = new CSharpProjectContent();
pctx = pctx.AddAssemblyReferences(new [] { CecilLoaderTests.Mscorlib, CecilLoaderTests.SystemCore });
var compilationUnit = new CSharpParser().Parse(parsedText, "program.cs");
var parsedFile = compilationUnit.ToTypeSystem();
pctx = pctx.UpdateProjectContent(null, parsedFile);
var cmp = pctx.CreateCompilation();
var loc = doc.GetLocation(cursorPosition);
var engine = new CSharpParameterCompletionEngine(doc, new TestFactory(pctx));
var rctx = new CSharpTypeResolveContext(cmp.MainAssembly);
rctx = rctx.WithUsingScope(parsedFile.GetUsingScope(loc).Resolve(cmp));
var curDef = parsedFile.GetInnermostTypeDefinition(loc);
if (curDef != null)
{
rctx = rctx.WithCurrentTypeDefinition(curDef.Resolve(rctx).GetDefinition());
var curMember = parsedFile.GetMember(loc);
if (curMember != null)
{
rctx = rctx.WithCurrentMember(curMember.CreateResolved(rctx));
}
}
engine.ctx = rctx;
engine.CSharpParsedFile = parsedFile;
engine.ProjectContent = pctx;
engine.Unit = compilationUnit;
return(engine.GetParameterDataProvider(cursorPosition, doc.GetCharAt(cursorPosition - 1)));
}
public override int GetCurrentParameterIndex(int startOffset)
{
var engine = new CSharpParameterCompletionEngine(
TextEditorData.Document,
typeSystemSegmentTree,
this,
Document.GetProjectContext(),
CSharpUnresolvedFile.GetTypeResolveContext(Document.Compilation, document.Editor.Caret.Location) as CSharpTypeResolveContext
);
return(engine.GetCurrentParameterIndex(startOffset, document.Editor.Caret.Offset));
}
public override bool GetParameterCompletionCommandOffset(out int cpos)
{
var engine = new CSharpParameterCompletionEngine(
TextEditorData.Document,
typeSystemSegmentTree,
this,
Document.GetProjectContext(),
CSharpUnresolvedFile.GetTypeResolveContext(Document.Compilation, document.Editor.Caret.Location) as CSharpTypeResolveContext
);
engine.SetOffset(document.Editor.Caret.Offset);
return(engine.GetParameterCompletionCommandOffset(out cpos));
}
public override int GuessBestMethodOverload(IParameterDataProvider provider, int currentOverload)
{
var engine = new CSharpParameterCompletionEngine(
TextEditorData.Document,
typeSystemSegmentTree,
this,
Document.GetProjectContext(),
CSharpUnresolvedFile.GetTypeResolveContext(Document.Compilation, document.Editor.Caret.Location) as CSharpTypeResolveContext
);
List <string> list;
int cparam = engine.GetCurrentParameterIndex(provider.StartOffset, document.Editor.Caret.Offset, out list);
if (cparam > provider.GetParameterCount(currentOverload) && !provider.AllowParameterList(currentOverload) || !HasAllUsedParameters(provider, list, currentOverload))
{
// Look for an overload which has more parameters
int bestOverload = -1;
int bestParamCount = int.MaxValue;
for (int n = 0; n < provider.Count; n++)
{
int pc = provider.GetParameterCount(n);
if (pc < bestParamCount && pc >= cparam)
{
if (HasAllUsedParameters(provider, list, n))
{
bestOverload = n;
bestParamCount = pc;
}
}
}
if (bestOverload == -1)
{
for (int n = 0; n < provider.Count; n++)
{
if (provider.AllowParameterList(n) && HasAllUsedParameters(provider, list, n))
{
bestOverload = n;
break;
}
}
}
return(bestOverload);
}
return(-1);
}
void window_CaretPositionChanged(object sender, EventArgs e)
{
var completionContext = CSharpCompletionContext.Get(editor);
if (completionContext == null)
{
window.Close();
return;
}
var completionFactory = new CSharpCompletionDataFactory(completionContext, new CSharpResolver(completionContext.TypeResolveContextAtCaret));
var pce = new CSharpParameterCompletionEngine(
editor.Document,
completionContext.CompletionContextProvider,
completionFactory,
completionContext.ProjectContent,
completionContext.TypeResolveContextAtCaret
);
UpdateHighlightedParameter(pce);
}
public CodeCompletionResult GetMethodCompletion(IDocument document, int offset, bool controlSpace)
{
var result = new CodeCompletionResult();
if (String.IsNullOrEmpty(document.FileName))
{
return(result);
}
var completionContext = new CSharpCompletionContext(document, offset, projectContent, null, null, null);
var completionFactory = new CSharpCompletionDataFactory(completionContext.TypeResolveContextAtCaret, completionContext);
var cce = new CSharpCompletionEngine(
completionContext.Document,
completionContext.CompletionContextProvider,
completionFactory,
completionContext.ProjectContent,
completionContext.TypeResolveContextAtCaret
);
cce.EolMarker = Environment.NewLine;
cce.FormattingPolicy = FormattingOptionsFactory.CreateSharpDevelop();
var completionChar = completionContext.Document.GetCharAt(completionContext.Offset - 1);
var pce = new CSharpParameterCompletionEngine(
completionContext.Document,
completionContext.CompletionContextProvider,
completionFactory,
completionContext.ProjectContent,
completionContext.TypeResolveContextAtCaret
);
var parameterDataProvider = pce.GetParameterDataProvider(completionContext.Offset, completionChar);
result.OverloadProvider = parameterDataProvider as IOverloadProvider;
return(result);
}
public CodeCompletionResult GetCompletions(IDocument document, int offset, bool controlSpace, string usings)
{
var result = new CodeCompletionResult();
if (String.IsNullOrEmpty(document.FileName))
{
return(result);
}
var completionContext = new CSharpCompletionContext(document, offset, projectContent, usings);
var completionFactory = new CSharpCompletionDataFactory(completionContext.TypeResolveContextAtCaret, completionContext);
var cce = new CSharpCompletionEngine(
completionContext.Document,
completionContext.CompletionContextProvider,
completionFactory,
completionContext.ProjectContent,
completionContext.TypeResolveContextAtCaret
);
cce.EolMarker = Environment.NewLine;
cce.FormattingPolicy = FormattingOptionsFactory.CreateSharpDevelop();
var completionChar = completionContext.Document.GetCharAt(completionContext.Offset - 1);
int startPos, triggerWordLength;
IEnumerable <ICSharpCode.NRefactory.Completion.ICompletionData> completionData;
if (controlSpace)
{
if (!cce.TryGetCompletionWord(completionContext.Offset, out startPos, out triggerWordLength))
{
startPos = completionContext.Offset;
triggerWordLength = 0;
}
completionData = cce.GetCompletionData(startPos, true);
//this outputs tons of available entities
//if (triggerWordLength == 0)
// completionData = completionData.Concat(cce.GetImportCompletionData(startPos));
}
else
{
startPos = completionContext.Offset;
if (char.IsLetterOrDigit(completionChar) || completionChar == '_')
{
if (startPos > 1 && char.IsLetterOrDigit(completionContext.Document.GetCharAt(startPos - 2)))
{
return(result);
}
completionData = cce.GetCompletionData(startPos, false);
startPos--;
triggerWordLength = 1;
}
else
{
completionData = cce.GetCompletionData(startPos, false);
triggerWordLength = 0;
}
}
result.TriggerWordLength = triggerWordLength;
result.TriggerWord = completionContext.Document.GetText(completionContext.Offset - triggerWordLength, triggerWordLength);
Debug.Print("Trigger word: '{0}'", result.TriggerWord);
//cast to AvalonEdit completion data and add to results
foreach (var completion in completionData)
{
var cshellCompletionData = completion as CompletionData;
if (cshellCompletionData != null)
{
cshellCompletionData.TriggerWord = result.TriggerWord;
cshellCompletionData.TriggerWordLength = result.TriggerWordLength;
result.CompletionData.Add(cshellCompletionData);
}
}
//method completions
if (!controlSpace)
{
// Method Insight
var pce = new CSharpParameterCompletionEngine(
completionContext.Document,
completionContext.CompletionContextProvider,
completionFactory,
completionContext.ProjectContent,
completionContext.TypeResolveContextAtCaret
);
var parameterDataProvider = pce.GetParameterDataProvider(completionContext.Offset, completionChar);
result.OverloadProvider = parameterDataProvider as IOverloadProvider;
}
return(result);
}
bool ShowCompletion(ITextEditor editor, char completionChar, bool ctrlSpace)
{
CSharpCompletionContext completionContext;
if (fileContent == null)
{
completionContext = CSharpCompletionContext.Get(editor);
}
else
{
completionContext = CSharpCompletionContext.Get(editor, context, currentLocation, fileContent);
}
if (completionContext == null)
{
return(false);
}
int caretOffset;
if (fileContent == null)
{
caretOffset = editor.Caret.Offset;
currentLocation = editor.Caret.Location;
}
else
{
caretOffset = completionContext.Document.GetOffset(currentLocation);
}
var completionFactory = new CSharpCompletionDataFactory(completionContext, new CSharpResolver(completionContext.TypeResolveContextAtCaret));
CSharpCompletionEngine cce = new CSharpCompletionEngine(
completionContext.Document,
completionContext.CompletionContextProvider,
completionFactory,
completionContext.ProjectContent,
completionContext.TypeResolveContextAtCaret
);
var formattingOptions = CSharpFormattingPolicies.Instance.GetProjectOptions(completionContext.Compilation.GetProject());
cce.FormattingPolicy = formattingOptions.OptionsContainer.GetEffectiveOptions();
cce.EolMarker = DocumentUtilities.GetLineTerminator(completionContext.Document, currentLocation.Line);
cce.IndentString = editor.Options.IndentationString;
int startPos, triggerWordLength;
IEnumerable <ICompletionData> completionData;
if (ctrlSpace)
{
if (!cce.TryGetCompletionWord(caretOffset, out startPos, out triggerWordLength))
{
startPos = caretOffset;
triggerWordLength = 0;
}
completionData = cce.GetCompletionData(startPos, true);
completionData = completionData.Concat(cce.GetImportCompletionData(startPos));
}
else
{
startPos = caretOffset;
if (char.IsLetterOrDigit(completionChar) || completionChar == '_')
{
if (startPos > 1 && char.IsLetterOrDigit(completionContext.Document.GetCharAt(startPos - 2)))
{
return(false);
}
completionData = cce.GetCompletionData(startPos, false);
startPos--;
triggerWordLength = 1;
}
else
{
completionData = cce.GetCompletionData(startPos, false);
triggerWordLength = 0;
}
}
DefaultCompletionItemList list = new DefaultCompletionItemList();
list.Items.AddRange(FilterAndAddTemplates(editor, completionData.Cast <ICompletionItem>().ToList()));
if (list.Items.Count > 0 && (ctrlSpace || cce.AutoCompleteEmptyMatch))
{
list.SortItems();
list.PreselectionLength = caretOffset - startPos;
list.PostselectionLength = Math.Max(0, startPos + triggerWordLength - caretOffset);
list.SuggestedItem = list.Items.FirstOrDefault(i => i.Text == cce.DefaultCompletionString);
editor.ShowCompletionWindow(list);
return(true);
}
if (!ctrlSpace)
{
// Method Insight
var pce = new CSharpParameterCompletionEngine(
completionContext.Document,
completionContext.CompletionContextProvider,
completionFactory,
completionContext.ProjectContent,
completionContext.TypeResolveContextAtCaret
);
var newInsight = pce.GetParameterDataProvider(caretOffset, completionChar) as CSharpMethodInsight;
if (newInsight != null && newInsight.items.Count > 0)
{
newInsight.UpdateHighlightedParameter(pce);
newInsight.Show();
return(true);
}
}
return(false);
}
protected override CodeCompletionResult GetCodeCompletionResult(bool controlSpace)
{
var document = codeEditor.TextEditor.Document;
int offset = codeEditor.TextEditor.CaretOffset;
var result = new CodeCompletionResult();
try {
var completionContext = new CSharpCodeCompletionContext(document, offset, projectContent);
var completionFactory = new CSharpCodeCompletionDataFactory(completionContext);
var cce = new CSharpCompletionEngine(
completionContext.Document,
completionContext.CompletionContextProvider,
completionFactory,
completionContext.ProjectContent,
completionContext.TypeResolveContextAtCaret
);
char completionChar = completionContext.Document.GetCharAt(completionContext.Offset - 1);
int startPos, triggerWordLength;
IEnumerable <ICompletionData> completionData;
if (controlSpace)
{
if (!cce.TryGetCompletionWord(completionContext.Offset, out startPos, out triggerWordLength))
{
startPos = completionContext.Offset;
triggerWordLength = 0;
}
completionData = cce.GetCompletionData(startPos, true);
}
else
{
startPos = completionContext.Offset;
if (char.IsLetterOrDigit(completionChar) || completionChar == '_')
{
if (startPos > 1 && char.IsLetterOrDigit(completionContext.Document.GetCharAt((startPos - 2))))
{
return(result);
}
completionData = cce.GetCompletionData(startPos, false);
triggerWordLength = 1;
}
else
{
completionData = cce.GetCompletionData(startPos, false);
triggerWordLength = 0;
}
}
result.TriggerWordLength = triggerWordLength;
result.TriggerWord = completionContext.Document.GetText(completionContext.Offset - triggerWordLength, triggerWordLength);
if (completionData.Any() && cce.AutoCompleteEmptyMatch)
{
foreach (var completion in completionData)
{
var cast = completion as CompletionData;
if (cast != null)
{
cast.TriggerWord = result.TriggerWord;
cast.TriggerWordLength = result.TriggerWordLength;
result.CompletionData.Add(cast);
}
}
}
if (!controlSpace)
{
var pce = new CSharpParameterCompletionEngine(
completionContext.Document,
completionContext.CompletionContextProvider,
completionFactory,
completionContext.ProjectContent,
completionContext.TypeResolveContextAtCaret
);
var parameterDataProvider = pce.GetParameterDataProvider(completionContext.Offset, completionChar);
result.OverloadProvider = parameterDataProvider as IUpdatableOverloadProvider;
}
} catch {
// ignore exceptions thrown during code completion
}
return(result);
}
