/// <nodoc />
public static SymbolLocation GetLocationFromNode(INode node, ISymbol symbol)
{
return(SymbolLocation.LocalLocation(
node.GetSourceFile().Path.AbsolutePath,
TextRange.FromLength(
node.GetNodeStartPositionWithoutTrivia(),
node.GetNodeWidth()),
symbol));
}
/// <inheritdoc/>
public bool IsNamespaceType(ISymbol thisSymbol)
{
Contract.Requires(thisSymbol != null, "symbol != null");
if ((thisSymbol.Flags & SymbolFlags.ValueModule) == SymbolFlags.ValueModule)
{
return(true);
}
var typeOfNode = TypeChecker.GetTypeOfSymbolAtLocation(thisSymbol, thisSymbol.DeclarationList.First());
return(IsNamespaceType(typeOfNode));
}
private Possible <IReadOnlyList <SymbolLocation> > GetDefinitionFromSymbol([NotNull] ISymbol symbol, INode node)
{
var result = new List <SymbolLocation>();
var declarations = symbol.GetDeclarations();
var symbolName = TypeChecker.SymbolToString(symbol);
var symbolKind = Utilities.GetSymbolKind(symbol, node);
var containerSymbol = symbol.Parent;
var containerName = containerSymbol != null?TypeChecker.SymbolToString(containerSymbol, node) : string.Empty;
if (!TryAddConstructSignature(symbol, node, symbolKind, symbolName, containerName, result) &&
!TryAddCallSignature(symbol, node, symbolKind, symbolName, containerName, result))
{
// Just add all the declarations
foreach (var declaration in declarations)
{
result.Add(GetLocationFromNode(declaration, symbol));
}
}
return(result.Count != 0 ? Success(result.ToArray()) : SilentError());
}
private static bool TryAddSignature(
ISymbol symbol,
IEnumerable <IDeclaration> signatureDeclarations,
bool selectConstructors,
string symbolKind,
string symbolName,
string containerName,
List <SymbolLocation> result)
{
var declarations = new List <IDeclaration>();
IDeclaration definition = null;
foreach (var declaration in signatureDeclarations ?? Enumerable.Empty <IDeclaration>())
{
if ((selectConstructors && declaration.Kind == SyntaxKind.Constructor) ||
(!selectConstructors && (declaration.Kind == SyntaxKind.FunctionDeclaration || declaration.Kind == SyntaxKind.MethodSignature)))
{
declarations.Add(declaration);
if (declaration.As <IFunctionLikeDeclaration>()?.Body != null)
{
definition = declaration;
}
}
}
if (definition != null)
{
result.Add(GetLocationFromNode(definition, symbol));
return(true);
}
if (declarations.Count > 0)
{
result.Add(GetLocationFromNode(declarations.LastOrUndefined(), symbol));
return(true);
}
return(false);
}
private static bool TryAddCallSignature(
ISymbol symbol,
INode location,
string symbolKind,
string symbolName,
string containerName,
List <Location> result)
{
if (DScriptUtilities.IsCallExpressionTarget(location) ||
DScriptUtilities.IsNewExpressionTarget(location) ||
DScriptUtilities.IsNameOfFunctionDeclaration(location))
{
return(TryAddSignature(
symbol.Declarations,
/*selectConstructors*/ false,
symbolKind,
symbolName,
containerName,
result));
}
return(false);
}
private static bool TryAddConstructSignature(
ISymbol symbol,
INode location,
string symbolKind,
string symbolName,
string containerName,
List <SymbolLocation> result)
{
// Applicable only if we are in a new expression, or we are on a constructor declaration
// and in either case the symbol has a construct signature definition, i.e. class
if (Utilities.IsNewExpressionTarget(location) || location.Kind == SyntaxKind.ConstructorKeyword)
{
if ((symbol.Flags & SymbolFlags.Class) != SymbolFlags.None)
{
// Find the first class-like declaration and try to get the construct signature.
foreach (var declaration in symbol.GetDeclarations())
{
var classLikeDeclaration = NodeUtilities.IsClassLike(declaration);
if (classLikeDeclaration != null)
{
return(TryAddSignature(
symbol,
classLikeDeclaration.Members.Elements,
/*selectConstructors*/ true,
symbolKind,
symbolName,
containerName,
result));
}
}
Debug.Fail("Expected declaration to have at least one class-like declaration");
}
}
return(false);
}
/// <inheritdoc />
public IDeclaration GetFirstNotFilteredDeclarationOrDefault(ISymbol resolvedSymbol)
{
if (resolvedSymbol == null)
{
return(null);
}
// Not using LINQ intentionally to avoid allocations.
// This is a hot path.
if (m_filteredOutSpecs == null)
{
return(resolvedSymbol.GetFirstDeclarationOrDefault());
}
foreach (var declaration in resolvedSymbol.DeclarationList)
{
if (declaration != null && !m_filteredOutSpecs.Contains(declaration.GetSourceFile()))
{
return(declaration);
}
}
return(null);
}
public IDeclaration GetFirstNotFilteredDeclarationOrDefault(ISymbol resolvedSymbol)
{
return(null);
}
public bool IsNamespaceType(ISymbol symbol)
{
Contract.Requires(symbol != null, "symbol != null");
throw new NotImplementedException();
}
public ISymbol GetAliasedSymbol(ISymbol symbol, bool resolveAliasRecursively = true)
{
Contract.Requires(symbol != null, "symbol != null");
throw new NotImplementedException();
}
public string GetFullyQualifiedName(ISymbol symbol)
{
Contract.Requires(symbol != null, "symbol != null");
throw new NotImplementedException();
}
private Result <ArrayOrObject <Location, Location>, ResponseError> GetDefinitionFromSymbol([NotNull] ISymbol symbol, INode node)
{
var result = new List <Location>();
var declarations = symbol.GetDeclarations();
var symbolName = TypeChecker.SymbolToString(symbol);
var symbolKind = DScriptUtilities.GetSymbolKind(symbol, node);
var containerSymbol = symbol.Parent;
var containerName = containerSymbol != null?TypeChecker.SymbolToString(containerSymbol, node) : string.Empty;
if (!TryAddConstructSignature(symbol, node, symbolKind, symbolName, containerName, result) &&
!TryAddCallSignature(symbol, node, symbolKind, symbolName, containerName, result))
{
// Just add all the declarations
foreach (var declaration in declarations)
{
result.Add(GetLocationFromNode(declaration));
}
}
return(Success(result.ToArray()));
}
/// <inheritdoc/>
public ISymbol GetAliasedSymbol(ISymbol symbol, bool resolveAliasRecursively = true)
{
Contract.Requires(symbol != null, "symbol != null");
return(TypeChecker.GetAliasedSymbol(symbol, resolveAliasRecursively));
}
/// <inheritdoc/>
public string GetFullyQualifiedName(ISymbol symbol)
{
Contract.Requires(symbol != null, "symbol != null");
return(TypeChecker.GetFullyQualifiedName(symbol));
}
