public List<NodeHandler> GetHandlers(RuleAnalysisScope scope, TypeScript.Net.Types.SyntaxKind syntaxKind)
{
Contract.Requires(IsSingleCaseEnum(scope), "Scope should have just once bit enabled!");
Contract.Requires((int)syntaxKind >= 0 && (int)syntaxKind <= (int)TypeScript.Net.Types.SyntaxKind.Count);
return m_handlersesRepository.GetHandlers(scope, (int)syntaxKind);
}
public static IEnumerable <(int start, int end, TypeScript.Net.Types.SyntaxKind kind)> GetTokens(ISourceFile sourceFile, bool preserveTrivia, bool preserveComments)
{
var scanner = new Scanner(ScriptTarget.Latest, preserveTrivia: preserveTrivia, allowBackslashesInPathInterpolation: sourceFile.BackslashesAllowedInPathInterpolation, text: sourceFile.Text, preserveComments: preserveComments);
TypeScript.Net.Types.SyntaxKind tokenKind = TypeScript.Net.Types.SyntaxKind.Unknown;
TypeScript.Net.Types.SyntaxKind lastTokenKind = TypeScript.Net.Types.SyntaxKind.Unknown;
bool backtickFound = false;
bool backslashesAreAllowed = false;
string previousIdentifierText = null;
while ((tokenKind = scanner.Scan()) != TypeScript.Net.Types.SyntaxKind.EndOfFileToken)
{
if (tokenKind == TypeScript.Net.Types.SyntaxKind.CloseBraceToken && backtickFound)
{
yield return(scanner.TokenPos, scanner.TextPos, tokenKind);
lastTokenKind = tokenKind;
tokenKind = scanner.RescanTemplateToken(backslashesAreAllowed);
}
if (tokenKind == TypeScript.Net.Types.SyntaxKind.TemplateHead)
{
backtickFound = true;
backslashesAreAllowed = sourceFile.BackslashesAllowedInPathInterpolation && Scanner.IsPathLikeInterpolationFactory(previousIdentifierText);
}
else if (tokenKind == TypeScript.Net.Types.SyntaxKind.TemplateTail)
{
backtickFound = false;
}
yield return(GetStartAndEndPositions(scanner, tokenKind, lastTokenKind));
if (tokenKind == TypeScript.Net.Types.SyntaxKind.Identifier)
{
previousIdentifierText = scanner.TokenValue;
}
else
{
previousIdentifierText = null;
}
}
}
/// <nodoc />
public static void Register <T>(CompareHelper[] helpers, ushort relativeSortOrder, TypeScript.Net.Types.SyntaxKind syntaxKind, Comparison <T> comparable)
where T : class, IExpression
{
var helper = new CompareHelper(syntaxKind, relativeSortOrder,
(l, r) =>
{
var left = l.As <T>();
var right = r.As <T>();
if (left == null)
{
return(right == null ? 0 : -1);
}
if (right == null)
{
return(1);
}
return(comparable(left.As <T>(), right.As <T>()));
});
helpers[(int)syntaxKind] = helper;
}
/// <nodoc />
private CompareHelper(TypeScript.Net.Types.SyntaxKind syntaxKind, ushort relativeSortOrder, Comparison <IExpression> comparison)
{
SyntaxKind = syntaxKind;
RelativeSortOrder = relativeSortOrder;
Comparison = comparison;
}
/// <summary>
/// Do a quick lookup for sorting information for the given SyntaxKind of the Node.
/// </summary>
private static CompareHelper TryGetCompareHelper(TypeScript.Net.Types.SyntaxKind syntaxKind)
{
return(s_compareHelpers[(int)syntaxKind]);
}
private static (int start, int end, TypeScript.Net.Types.SyntaxKind tokenKind) GetStartAndEndPositions(Scanner scanner, TypeScript.Net.Types.SyntaxKind currentTokenKind, TypeScript.Net.Types.SyntaxKind lastTokenKind)
{
if (currentTokenKind == TypeScript.Net.Types.SyntaxKind.PublicKeyword)
{
if (lastTokenKind == TypeScript.Net.Types.SyntaxKind.AtToken)
{
return(start : scanner.TokenPos - 2, end : scanner.TextPos, currentTokenKind);
}
else
{
currentTokenKind = TypeScript.Net.Types.SyntaxKind.Identifier;
}
}
return(start : scanner.TokenPos, end : scanner.TextPos, tokenKind : currentTokenKind);
}
