private static IReadOnlyCollection <LinterFailure> ComputeLinterFailures(Workspace workspace, BuildXL.FrontEnd.Script.Tracing.Logger logger, PathTable pathTable)
{
// Unfortunately all linter rules log using the logger directly, so we need to retrieve the event, map it to a typescript diagnostic and add it to the
// failure list
var failures = new List <LinterFailure>();
foreach (var diagnostic in logger.CapturedDiagnostics)
{
var path = diagnostic.Location != null?AbsolutePath.Create(pathTable, diagnostic.Location.Value.File) : AbsolutePath.Invalid;
if (path.IsValid && workspace.TryGetSourceFile(path, out var sourceFile))
{
INode node;
DScriptNodeUtilities.TryGetNodeAtPosition(sourceFile, diagnostic.Location.Value.GetAbsolutePosition(sourceFile), out node);
Contract.Assert(node != null);
var startPosition = Scanner.SkipOverTrivia(sourceFile, node.Pos);
var typeScriptDiagnostic = new Diagnostic(
sourceFile,
startPosition,
node.GetWidth(),
diagnostic.FullMessage,
DiagnosticCategory.Error,
diagnostic.ErrorCode);
var descriptor = workspace.GetModuleBySpecFileName(path).Descriptor;
failures.Add(new LinterFailure(descriptor, sourceFile, typeScriptDiagnostic));
}
}
return(failures);
}
/// <nodoc />
public static bool IsInCommentHelper(ISourceFile sourceFile, int position, Func <ICommentRange, bool> predicate = null)
{
if (!DScriptNodeUtilities.TryGetNodeAtPosition(sourceFile, position, out var token) || position > GetTokenPosOfNode(token, sourceFile))
{
return(false);
}
var commentRanges = Scanner.GetLeadingCommentRanges(sourceFile.Text, token.Pos);
// The end marker of a single-line comment does not include the newline character.
// In the following case, we are inside a comment (^ denotes the cursor position):
//
// // asdf ^\n
//
// But for multi-line comments, we don't want to be inside the comment in the following case:
//
// /* asdf */^
//
// Internally, we represent the end of the comment at the newline and closing '/', respectively.
foreach (var c in commentRanges)
{
if (c.Pos < position &&
(c.Kind == SyntaxKind.SingleLineCommentTrivia ? position <= c.End : position < c.End) &&
(predicate == null || predicate(c)))
{
return(true);
}
}
return(false);
}
/// <nodoc />
public static bool IsInString(ISourceFile sourceFile, int position)
{
INode token;
return(DScriptNodeUtilities.TryGetNodeAtPosition(sourceFile, position, out token) &&
(token?.Kind == SyntaxKind.StringLiteral || token?.Kind == SyntaxKind.StringLiteralType) &&
position > GetTokenPosOfNode(token, token.GetSourceFile()));
}
/// <summary>
/// Tries to resolve a node by the given <paramref name="documentPosition"/>.
/// </summary>
/// <remarks>
/// The function emits a log entry if the given source file is missing from the <see cref="Workspace"/>.
/// </remarks>
protected bool TryFindNode(TextDocumentPositionParams documentPosition, out INode currentNode)
{
Contract.Requires(documentPosition.Position != null);
var lineAndColumn = documentPosition.Position.ToLineAndColumn();
if (!TryFindSourceFile(documentPosition.TextDocument.Uri, out var sourceFile))
{
// The message that the file is missing was logged.
currentNode = null;
return(false);
}
return(DScriptNodeUtilities.TryGetNodeAtPosition(sourceFile, lineAndColumn, out currentNode));
}
private static bool TryCreateImportStatementCommand(
Workspace workspace,
PathTable pathTable,
CodeActionParams actionParams,
out dynamic[] commandArguments)
{
commandArguments = default(dynamic[]);
var typeChecker = workspace.GetSemanticModel().TypeChecker;
if (!actionParams.TextDocument.Uri.TryGetSourceFile(workspace, pathTable, out var sourceUri))
{
return(false);
}
Contract.Assert(actionParams.Range?.Start != null);
if (!DScriptNodeUtilities.TryGetNodeAtPosition(sourceUri, actionParams.Range.Start.ToLineAndColumn(), out var node))
{
return(false);
}
var nodeFlags = NodeUtilities.GetCombinedNodeFlags(node);
if ((nodeFlags & NodeFlags.ScriptPublic) == NodeFlags.None)
{
return(false);
}
var symbol = typeChecker.GetSymbolAtLocation(node) ?? node.Symbol ?? node.ResolvedSymbol;
if (symbol == null)
{
return(false);
}
var symbolFullName = typeChecker.GetFullyQualifiedName(symbol);
// The import statement can only contain a single identifier, so if the symbol's full name
// is Namespace.Subnamespace.value, we care about just 'Namespace'
var identifier = GetFirstIdentifier(symbolFullName);
var module = workspace.TryGetModuleBySpecFileName(sourceUri.GetAbsolutePath(pathTable));
if (module == null)
{
return(false);
}
var importString = string.Format(
CultureInfo.InvariantCulture,
"import {{{0}}} from \"{1}\";",
identifier,
module.Definition.Descriptor.Name);
var bannerString = FormattableStringEx.I($"Import string for '{symbolFullName}' placed on clipboard");
commandArguments = new dynamic[]
{
importString,
bannerString,
};
return(true);
}