protected async Task HandleHoverRequest(
TextDocumentPosition textDocumentPosition,
RequestContext<Hover> requestContext)
{
ScriptFile scriptFile =
editorSession.Workspace.GetFile(
textDocumentPosition.Uri);
SymbolDetails symbolDetails =
await editorSession
.LanguageService
.FindSymbolDetailsAtLocation(
scriptFile,
textDocumentPosition.Position.Line + 1,
textDocumentPosition.Position.Character + 1);
List<MarkedString> symbolInfo = new List<MarkedString>();
Range? symbolRange = null;
if (symbolDetails != null)
{
symbolInfo.Add(
new MarkedString
{
Language = "PowerShell",
Value = symbolDetails.DisplayString
});
if (!string.IsNullOrEmpty(symbolDetails.Documentation))
{
symbolInfo.Add(
new MarkedString
{
Language = "markdown",
Value = symbolDetails.Documentation
});
}
symbolRange = GetRangeFromScriptRegion(symbolDetails.SymbolReference.ScriptRegion);
}
await requestContext.SendResult(
new Hover
{
Contents = symbolInfo.ToArray(),
Range = symbolRange
});
}
protected async Task HandleDocumentHighlightRequest(
TextDocumentPosition textDocumentPosition,
RequestContext<DocumentHighlight[]> requestContext)
{
ScriptFile scriptFile =
editorSession.Workspace.GetFile(
textDocumentPosition.Uri);
FindOccurrencesResult occurrencesResult =
editorSession.LanguageService.FindOccurrencesInFile(
scriptFile,
textDocumentPosition.Position.Line + 1,
textDocumentPosition.Position.Character + 1);
DocumentHighlight[] documentHighlights = null;
if (occurrencesResult != null)
{
documentHighlights =
occurrencesResult
.FoundOccurrences
.Select(o =>
{
return new DocumentHighlight
{
Kind = DocumentHighlightKind.Write, // TODO: Which symbol types are writable?
Range = GetRangeFromScriptRegion(o.ScriptRegion)
};
})
.ToArray();
}
else
{
documentHighlights = new DocumentHighlight[0];
}
await requestContext.SendResult(documentHighlights);
}
protected async Task HandleCompletionRequest(
TextDocumentPosition textDocumentPosition,
RequestContext<CompletionItem[]> requestContext)
{
int cursorLine = textDocumentPosition.Position.Line + 1;
int cursorColumn = textDocumentPosition.Position.Character + 1;
ScriptFile scriptFile =
editorSession.Workspace.GetFile(
textDocumentPosition.Uri);
CompletionResults completionResults =
await editorSession.LanguageService.GetCompletionsInFile(
scriptFile,
cursorLine,
cursorColumn);
CompletionItem[] completionItems = null;
if (completionResults != null)
{
// By default, insert the completion at the current location
int startEditColumn = textDocumentPosition.Position.Character;
int endEditColumn = textDocumentPosition.Position.Character;
completionItems =
completionResults
.Completions
.Select(
c => CreateCompletionItem(
c,
completionResults.ReplacedRange))
.ToArray();
}
else
{
completionItems = new CompletionItem[0];
}
await requestContext.SendResult(completionItems);
}
protected async Task HandleSignatureHelpRequest(
TextDocumentPosition textDocumentPosition,
RequestContext<SignatureHelp> requestContext)
{
ScriptFile scriptFile =
editorSession.Workspace.GetFile(
textDocumentPosition.Uri);
ParameterSetSignatures parameterSets =
await editorSession.LanguageService.FindParameterSetsInFile(
scriptFile,
textDocumentPosition.Position.Line + 1,
textDocumentPosition.Position.Character + 1);
SignatureInformation[] signatures = null;
int? activeParameter = null;
int? activeSignature = 0;
if (parameterSets != null)
{
signatures =
parameterSets
.Signatures
.Select(s =>
{
return new SignatureInformation
{
Label = parameterSets.CommandName + " " + s.SignatureText,
Documentation = null,
Parameters =
s.Parameters
.Select(CreateParameterInfo)
.ToArray()
};
})
.ToArray();
}
else
{
signatures = new SignatureInformation[0];
}
await requestContext.SendResult(
new SignatureHelp
{
Signatures = signatures,
ActiveParameter = activeParameter,
ActiveSignature = activeSignature
});
}
protected async Task HandleDefinitionRequest(
TextDocumentPosition textDocumentPosition,
RequestContext<Location[]> requestContext)
{
ScriptFile scriptFile =
editorSession.Workspace.GetFile(
textDocumentPosition.Uri);
SymbolReference foundSymbol =
editorSession.LanguageService.FindSymbolAtLocation(
scriptFile,
textDocumentPosition.Position.Line + 1,
textDocumentPosition.Position.Character + 1);
List<Location> definitionLocations = new List<Location>();
GetDefinitionResult definition = null;
if (foundSymbol != null)
{
definition =
await editorSession.LanguageService.GetDefinitionOfSymbol(
scriptFile,
foundSymbol,
editorSession.Workspace);
if (definition != null)
{
definitionLocations.Add(
new Location
{
Uri = new Uri(definition.FoundDefinition.FilePath).AbsoluteUri,
Range = GetRangeFromScriptRegion(definition.FoundDefinition.ScriptRegion)
});
}
}
await requestContext.SendResult(definitionLocations.ToArray());
}