/// <summary>
/// Wrapper method that calls Resolver.GetQuickInfo
/// </summary>
internal string GetQuickInfoForToken(ParseResult parseResult, int parserLine, int parserColumn, IMetadataDisplayInfoProvider metadataDisplayInfoProvider)
{
if (parseResult == null || metadataDisplayInfoProvider == null)
{
return(null);
}
Babel.CodeObjectQuickInfo quickInfo = Resolver.GetQuickInfo(
parseResult, parserLine, parserColumn, metadataDisplayInfoProvider);
return(quickInfo?.Text);
}
/// <summary>
/// Get quick info hover tooltips for the current position
/// </summary>
/// <param name="textDocumentPosition"></param>
/// <param name="scriptFile"></param>
internal Hover GetHoverItem(TextDocumentPosition textDocumentPosition, ScriptFile scriptFile)
{
int startLine = textDocumentPosition.Position.Line;
int startColumn = TextUtilities.PositionOfPrevDelimeter(
scriptFile.Contents,
textDocumentPosition.Position.Line,
textDocumentPosition.Position.Character);
int endColumn = textDocumentPosition.Position.Character;
ScriptParseInfo scriptParseInfo = GetScriptParseInfo(textDocumentPosition.TextDocument.Uri);
if (scriptParseInfo != null && scriptParseInfo.ParseResult != null)
{
if (Monitor.TryEnter(scriptParseInfo.BuildingMetadataLock))
{
try
{
QueueItem queueItem = this.BindingQueue.QueueBindingOperation(
key: scriptParseInfo.ConnectionKey,
bindingTimeout: LanguageService.HoverTimeout,
bindOperation: (bindingContext, cancelToken) =>
{
// get the current quick info text
Babel.CodeObjectQuickInfo quickInfo = Resolver.GetQuickInfo(
scriptParseInfo.ParseResult,
startLine + 1,
endColumn + 1,
bindingContext.MetadataDisplayInfoProvider);
// convert from the parser format to the VS Code wire format
return(AutoCompleteHelper.ConvertQuickInfoToHover(
quickInfo,
startLine,
startColumn,
endColumn));
});
queueItem.ItemProcessed.WaitOne();
return(queueItem.GetResultAsT <Hover>());
}
finally
{
Monitor.Exit(scriptParseInfo.BuildingMetadataLock);
}
}
}
// return null if there isn't a tooltip for the current location
return(null);
}
/// <summary>
/// Converts a SQL Parser QuickInfo object into a VS Code Hover object
/// </summary>
/// <param name="quickInfo"></param>
/// <param name="row"></param>
/// <param name="startColumn"></param>
/// <param name="endColumn"></param>
internal static Hover ConvertQuickInfoToHover(
Babel.CodeObjectQuickInfo quickInfo,
int row,
int startColumn,
int endColumn)
{
// convert from the parser format to the VS Code wire format
var markedStrings = new MarkedString[1];
if (quickInfo != null)
{
markedStrings[0] = new MarkedString()
{
Language = "SQL",
Value = quickInfo.Text
};
return(new Hover()
{
Contents = markedStrings,
Range = new Range
{
Start = new Position
{
Line = row,
Character = startColumn
},
End = new Position
{
Line = row,
Character = endColumn
}
}
});
}
else
{
return(null);
}
}
