public static SymbolKeyResolution Resolve(SymbolKeyReader reader)
{
var metadataName = reader.ReadString();
var containingSymbolResolution = reader.ReadSymbolKey();
var isIndexer = reader.ReadBoolean();
var refKinds = reader.ReadRefKindArray();
var originalParameterTypes = reader.ReadSymbolKeyArray().Select(
r => GetFirstSymbol<ITypeSymbol>(r)).ToArray();
if (originalParameterTypes.Any(s_typeIsNull))
{
return default(SymbolKeyResolution);
}
var properties = containingSymbolResolution.GetAllSymbols().OfType<INamedTypeSymbol>()
.SelectMany(t => t.GetMembers())
.OfType<IPropertySymbol>()
.Where(p => p.Parameters.Length == refKinds.Length &&
p.MetadataName == metadataName &&
p.IsIndexer == isIndexer);
var matchingProperties = properties.Where(p =>
ParameterRefKindsMatch(p.OriginalDefinition.Parameters, refKinds) &&
reader.ParameterTypesMatch(p.OriginalDefinition.Parameters, originalParameterTypes));
return CreateSymbolInfo(matchingProperties);
}
public static SymbolKeyResolution Resolve(SymbolKeyReader reader)
{
var isAnonymousDelegateType = reader.ReadBoolean();
var location = reader.ReadLocation();
var syntaxTree = location.SourceTree;
if (syntaxTree == null)
{
return default(SymbolKeyResolution);
}
var semanticModel = reader.Compilation.GetSemanticModel(syntaxTree);
var root = syntaxTree.GetRoot(reader.CancellationToken);
var node = root.FindNode(location.SourceSpan, getInnermostNodeForTie: true);
var symbol = semanticModel.GetSymbolInfo(node, reader.CancellationToken)
.GetAnySymbol();
// If this was a key for an anonymous delegate type, then go find the
// associated delegate for this lambda and return that instead of the
// lambda function symbol itself.
if (isAnonymousDelegateType)
{
var anonymousDelegate = (symbol as IMethodSymbol).AssociatedAnonymousDelegate;
symbol = anonymousDelegate;
}
return new SymbolKeyResolution(symbol);
}
protected sealed override SymbolKeyResolution Resolve(
SymbolKeyReader reader, IPropertySymbol?contextualSymbol, out string?failureReason)
{
var metadataName = reader.ReadString();
var containingTypeResolution = reader.ReadSymbolKey(contextualSymbol?.ContainingSymbol, out var containingTypeFailureReason);
var isIndexer = reader.ReadBoolean();
using var refKinds = reader.ReadRefKindArray();
using var properties = GetMembersOfNamedType <IPropertySymbol>(containingTypeResolution, metadataName: null);
using var result = PooledArrayBuilder <IPropertySymbol> .GetInstance();
// For each property that we look at, we'll have to resolve the parameter list and return type in the
// context of that method. This makes sure we can attempt to resolve the parameter list types against
// error types in the property we're currently looking at.
//
// Because of this, we keep track of where we are in the reader. Before resolving every parameter list,
// we'll mark which method we're on and we'll rewind to this point.
var beforeParametersPosition = reader.Position;
IPropertySymbol?property = null;
foreach (var candidate in properties)
{
if (candidate.Parameters.Length != refKinds.Count ||
candidate.MetadataName != metadataName ||
candidate.IsIndexer != isIndexer ||
!ParameterRefKindsMatch(candidate.OriginalDefinition.Parameters, refKinds))
{
continue;
}
property = Resolve(reader, candidate);
if (property != null)
{
break;
}
// reset ourselves so we can check the return-type/parameters against the next candidate.
reader.Position = beforeParametersPosition;
}
if (reader.Position == beforeParametersPosition)
{
// We didn't find a match. Read through the stream one final time so we're at the correct location
// after this PropertySymbolKey.
_ = reader.ReadSymbolKeyArray <IPropertySymbol, ITypeSymbol>(
contextualSymbol: null, getContextualSymbol: null, failureReason: out _);
}
if (containingTypeFailureReason != null)
{
failureReason = $"({nameof(PropertySymbolKey)} {nameof(containingTypeResolution)} failed -> {containingTypeFailureReason})";
return(default);
public static SymbolKeyResolution Resolve(SymbolKeyReader reader)
{
var isAnonymousDelegateType = reader.ReadBoolean();
var location = reader.ReadLocation();
var syntaxTree = location.SourceTree;
if (syntaxTree == null)
{
return(default);
public static SymbolKeyResolution Resolve(SymbolKeyReader reader)
{
var metadataName = reader.ReadString();
var containingSymbolResolution = reader.ReadSymbolKey();
var isIndexer = reader.ReadBoolean();
var refKinds = reader.ReadRefKindArray();
var originalParameterTypes = reader.ReadSymbolKeyArray().Select(
r => GetFirstSymbol <ITypeSymbol>(r)).ToArray();
if (originalParameterTypes.Any(s_typeIsNull))
{
return(default);
public static SymbolKeyResolution Resolve(SymbolKeyReader reader)
{
var metadataName = reader.ReadString();
var containingTypeResolution = reader.ReadSymbolKey();
var isIndexer = reader.ReadBoolean();
using var refKinds = reader.ReadRefKindArray();
using var parameterTypes = reader.ReadSymbolKeyArray <ITypeSymbol>();
if (parameterTypes.IsDefault)
{
return(default);
public static SymbolKeyResolution Resolve(SymbolKeyReader reader)
{
var metadataName = reader.ReadString();
var containingSymbolResolution = reader.ReadSymbolKey();
var arity = reader.ReadInteger();
var typeKind = (TypeKind)reader.ReadInteger();
var isUnboundGenericType = reader.ReadBoolean();
var typeArgumentsOpt = reader.ReadSymbolKeyArray();
var types = GetAllSymbols<INamespaceOrTypeSymbol>(containingSymbolResolution).SelectMany(
s => Resolve(reader, s, metadataName, arity, typeKind, isUnboundGenericType, typeArgumentsOpt));
return CreateSymbolInfo(types);
}
public static SymbolKeyResolution Resolve(SymbolKeyReader reader, out string failureReason)
{
var metadataName = reader.ReadString();
var containingTypeResolution = reader.ReadSymbolKey(out var containingTypeFailureReason);
var isIndexer = reader.ReadBoolean();
using var refKinds = reader.ReadRefKindArray();
using var parameterTypes = reader.ReadSymbolKeyArray <ITypeSymbol>(out var parameterTypesFailureReason);
if (containingTypeFailureReason != null)
{
failureReason = $"({nameof(PropertySymbolKey)} {nameof(containingTypeResolution)} failed -> {containingTypeFailureReason})";
return(default);
public static SymbolKeyResolution Resolve(SymbolKeyReader reader)
{
var metadataName = reader.ReadString();
var containingSymbolResolution = reader.ReadSymbolKey();
var arity = reader.ReadInteger();
var typeKind = (TypeKind)reader.ReadInteger();
var isUnboundGenericType = reader.ReadBoolean();
var typeArgumentsOpt = reader.ReadSymbolKeyArray();
var types = GetAllSymbols <INamespaceOrTypeSymbol>(containingSymbolResolution).SelectMany(
s => Resolve(reader, s, metadataName, arity, typeKind, isUnboundGenericType, typeArgumentsOpt));
return(CreateSymbolInfo(types));
}
public static SymbolKeyResolution Resolve(SymbolKeyReader reader)
{
var metadataName = reader.ReadString();
var isCompilationGlobalNamespace = reader.ReadBoolean();
var containingSymbolResolution = reader.ReadSymbolKey();
if (isCompilationGlobalNamespace)
{
return new SymbolKeyResolution(reader.Compilation.GlobalNamespace);
}
var namespaces = GetAllSymbols(containingSymbolResolution).SelectMany(
s => Resolve(s, metadataName));
return CreateSymbolInfo(namespaces);
}
public static SymbolKeyResolution Resolve(SymbolKeyReader reader)
{
var metadataName = reader.ReadString();
var isCompilationGlobalNamespace = reader.ReadBoolean();
var containingSymbolResolution = reader.ReadSymbolKey();
if (isCompilationGlobalNamespace)
{
return(new SymbolKeyResolution(reader.Compilation.GlobalNamespace));
}
var namespaces = GetAllSymbols(containingSymbolResolution).SelectMany(
s => Resolve(s, metadataName));
return(CreateSymbolInfo(namespaces));
}
public static SymbolKeyResolution Resolve(SymbolKeyReader reader)
{
var isError = reader.ReadBoolean();
if (isError)
{
var elementTypes = reader.ReadSymbolKeyArray().SelectAsArray(r => r.GetAnySymbol() as ITypeSymbol);
var elementNames = reader.ReadStringArray();
var elementLocations = ReadElementLocations(reader);
if (!elementTypes.Any(t => t == null))
{
try
{
var result = reader.Compilation.CreateTupleTypeSymbol(
elementTypes, elementNames, elementLocations);
return(new SymbolKeyResolution(result));
}
catch (ArgumentException)
{
}
}
}
else
{
var underlyingTypeResolution = reader.ReadSymbolKey();
var elementNames = reader.ReadStringArray();
var elementLocations = ReadElementLocations(reader);
try
{
var result = GetAllSymbols <INamedTypeSymbol>(underlyingTypeResolution).Select(
t => reader.Compilation.CreateTupleTypeSymbol(t, elementNames, elementLocations));
return(CreateSymbolInfo(result));
}
catch (ArgumentException)
{
}
}
return(new SymbolKeyResolution(reader.Compilation.ObjectType));
}
public static SymbolKeyResolution Resolve(SymbolKeyReader reader)
{
var metadataName = reader.ReadString();
var containingSymbolResolution = reader.ReadSymbolKey();
var arity = reader.ReadInteger();
var isPartialMethodImplementationPart = reader.ReadBoolean();
var parameterRefKinds = reader.ReadRefKindArray();
// For each method that we look at, we'll have to resolve the parameter list and
// return type in the context of that method. i.e. if we have Foo<T>(IList<T> list)
// then we'll need to have marked that we're on the Foo<T> method so that we know
// 'T' in IList<T> resolves to.
//
// Because of this, we keep track of where we are in the reader. Before resolving
// every parameter list, we'll mark which method we're on and we'll rewind to this
// point.
var beforeParametersPosition = reader.Position;
var result = new List<IMethodSymbol>();
var namedTypes = containingSymbolResolution.GetAllSymbols().OfType<INamedTypeSymbol>();
foreach (var namedType in namedTypes)
{
var method = Resolve(reader, metadataName, arity, isPartialMethodImplementationPart,
parameterRefKinds, beforeParametersPosition, namedType);
// Note: after finding the first method that matches we stop. That's necessary
// as we cache results while searching. We don't want to override these positive
// matches with a negative ones if we were to continue searching.
if (method != null)
{
result.Add(method);
break;
}
}
if (reader.Position == beforeParametersPosition)
{
// We didn't find any candidates. We still need to stream through this
// method signature so the reader is in a proper position.
var parameterTypeResolutions = reader.ReadSymbolKeyArray();
var returnType = GetFirstSymbol<ITypeSymbol>(reader.ReadSymbolKey());
}
return CreateSymbolInfo(result);
}
