public static bool TryGetSemanticModel(this ITextSnapshot snapshot, CancellationToken cancellationToken, out SemanticModel semanticModel)
{
if (HlslToolsPackage.Instance != null && !HlslToolsPackage.Instance.Options.AdvancedOptions.EnableIntelliSense)
{
semanticModel = null;
return(false);
}
semanticModel = CachedSemanticModels.GetValue(snapshot, key =>
{
try
{
var syntaxTree = key.GetSyntaxTree(cancellationToken);
var compilation = new Compilation.Compilation(syntaxTree);
return(compilation.GetSemanticModel(cancellationToken));
}
catch (OperationCanceledException)
{
return(null);
}
catch (Exception ex)
{
Logger.Log($"Failed to create semantic model: {ex}");
return(null);
}
});
return(semanticModel != null);
}
public static SemanticModel GetSemanticModel(this ITextSnapshot snapshot, CancellationToken cancellationToken)
{
var syntaxTree = snapshot.GetSyntaxTree(cancellationToken);
var compilation = new Compilation.Compilation(syntaxTree);
return(compilation.GetSemanticModel());
}
public static bool TryGetSemanticModel(this ITextSnapshot snapshot, CancellationToken cancellationToken, out SemanticModel semanticModel)
{
if (HlslToolsPackage.Instance != null && !HlslToolsPackage.Instance.Options.AdvancedOptions.EnableIntelliSense)
{
semanticModel = null;
return false;
}
semanticModel = CachedSemanticModels.GetValue(snapshot, key =>
{
try
{
var syntaxTree = key.GetSyntaxTree(cancellationToken);
var compilation = new Compilation.Compilation(syntaxTree);
return compilation.GetSemanticModel(cancellationToken);
}
catch (OperationCanceledException)
{
return null;
}
catch (Exception ex)
{
Logger.Log($"Failed to create semantic model: {ex}");
return null;
}
});
return semanticModel != null;
}
public static SemanticModel GetSemanticModel(this ITextSnapshot snapshot, VisualStudioSourceTextFactory sourceTextFactory, CancellationToken cancellationToken)
{
return CachedSemanticModels.GetValue(snapshot, key =>
{
var syntaxTree = key.GetSyntaxTree(sourceTextFactory, cancellationToken);
var compilation = new Compilation.Compilation(syntaxTree);
return compilation.GetSemanticModel();
});
}
public static SemanticModel GetSemanticModel(this ITextSnapshot snapshot, CancellationToken cancellationToken)
{
var syntaxTree = snapshot.GetSyntaxTree(cancellationToken);
var compilation = new Compilation.Compilation(syntaxTree);
return compilation.GetSemanticModel();
}
