private static IMethodSymbol Resolve(
SymbolKeyReader reader, bool isPartialMethodImplementationPart,
IMethodSymbol method)
{
var originalParameterTypeResolutions = reader.ReadSymbolKeyArray();
var returnType = GetFirstSymbol <ITypeSymbol>(reader.ReadSymbolKey());
var originalParameterTypes = originalParameterTypeResolutions.Select(
r => GetFirstSymbol <ITypeSymbol>(r)).ToArray();
if (!originalParameterTypes.Any(s_typeIsNull))
{
if (reader.ParameterTypesMatch(method.OriginalDefinition.Parameters, originalParameterTypes))
{
if (returnType == null ||
reader.Comparer.Equals(returnType, method.ReturnType))
{
if (isPartialMethodImplementationPart)
{
method = method.PartialImplementationPart ?? method;
}
Debug.Assert(method != null);
return(method);
}
}
}
return(null);
}
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 name = reader.ReadString();
var containingSymbolResolution = reader.ReadSymbolKey();
var arity = reader.ReadInteger();
using var typeArguments = reader.ReadSymbolKeyArray <ITypeSymbol>();
if (typeArguments.IsDefault)
{
return(default);
public static SymbolKeyResolution Resolve(SymbolKeyReader reader)
{
var constructedFrom = reader.ReadSymbolKey();
using var typeArguments = reader.ReadSymbolKeyArray <ITypeSymbol>();
if (constructedFrom.SymbolCount == 0 ||
typeArguments.IsDefault)
{
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 constructedFromResolution = reader.ReadSymbolKey();
var typeArgumentResolutions = reader.ReadSymbolKeyArray();
Debug.Assert(!typeArgumentResolutions.IsDefault);
var typeArguments = typeArgumentResolutions.Select(
r => GetFirstSymbol <ITypeSymbol>(r)).ToArray();
if (typeArguments.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 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.
// Push an null-method to our stack so that any method-type-parameters
// can at least be read (if not resolved) properly.
reader.PushMethod(methodOpt: null);
var parameterTypeResolutions = reader.ReadSymbolKeyArray();
var returnType = GetFirstSymbol <ITypeSymbol>(reader.ReadSymbolKey());
reader.PopMethod(methodOpt: null);
}
return(CreateSymbolInfo(result));
}
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 isError = reader.ReadBoolean();
if (isError)
{
using var elementTypes = reader.ReadSymbolKeyArray <ITypeSymbol>();
using var elementNames = reader.ReadStringArray();
var elementLocations = ReadElementLocations(reader);
if (!elementTypes.IsDefault)
{
try
{
var result = reader.Compilation.CreateTupleTypeSymbol(
elementTypes.ToImmutable(), elementNames.ToImmutable(), elementLocations);
return(new SymbolKeyResolution(result));
}
catch (ArgumentException)
{
}
}
}
else
{
var underlyingTypeResolution = reader.ReadSymbolKey();
using var elementNamesBuilder = reader.ReadStringArray();
var elementLocations = ReadElementLocations(reader);
try
{
using var result = PooledArrayBuilder <INamedTypeSymbol> .GetInstance();
var elementNames = elementNamesBuilder.ToImmutable();
foreach (var namedType in underlyingTypeResolution.OfType <INamedTypeSymbol>())
{
result.AddIfNotNull(reader.Compilation.CreateTupleTypeSymbol(
namedType, elementNames, elementLocations));
}
return(CreateResolution(result));
}
catch (ArgumentException)
{
}
}
return(new SymbolKeyResolution(reader.Compilation.ObjectType));
}
protected sealed override SymbolKeyResolution Resolve(
SymbolKeyReader reader, INamedTypeSymbol?contextualType, out string?failureReason)
{
var name = reader.ReadRequiredString();
var containingSymbolResolution = ResolveContainer(reader, contextualType, out var containingSymbolFailureReason);
var arity = reader.ReadInteger();
var isConstructed = reader.ReadBoolean();
using var typeArguments = reader.ReadSymbolKeyArray <INamedTypeSymbol, ITypeSymbol>(
contextualType,
getContextualSymbol: static (contextualType, i) => SafeGet(contextualType.TypeArguments, i),
out var typeArgumentsFailureReason);
if (containingSymbolFailureReason != null)
{
failureReason = $"({nameof(ErrorTypeSymbolKey)} {nameof(containingSymbolResolution)} failed -> {containingSymbolFailureReason})";
return(default);
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));
}
protected sealed override SymbolKeyResolution Resolve(
SymbolKeyReader reader, INamedTypeSymbol?contextualSymbol, out string?failureReason)
{
var containingSymbolResolution = reader.ReadSymbolKey(contextualSymbol?.ContainingSymbol, out var containingSymbolFailureReason);
var name = reader.ReadRequiredString();
var arity = reader.ReadInteger();
var filePath = reader.ReadString();
var isUnboundGenericType = reader.ReadBoolean();
using var typeArguments = reader.ReadSymbolKeyArray <INamedTypeSymbol, ITypeSymbol>(
contextualSymbol,
getContextualSymbol: static (contextualType, i) => SafeGet(contextualType.TypeArguments, i),
out var typeArgumentsFailureReason);
if (typeArgumentsFailureReason != null)
{
Contract.ThrowIfFalse(typeArguments.IsDefault);
failureReason = $"({nameof(NamedTypeSymbolKey)} {nameof(typeArguments)} failed -> {typeArgumentsFailureReason})";
return(default);
public static SymbolKeyResolution Resolve(SymbolKeyReader reader)
{
var constructedFromResolution = reader.ReadSymbolKey();
var typeArgumentResolutions = reader.ReadSymbolKeyArray();
Debug.Assert(!typeArgumentResolutions.IsDefault);
var typeArguments = typeArgumentResolutions.Select(
r => GetFirstSymbol <ITypeSymbol>(r)).ToArray();
if (typeArguments.Any(s_typeIsNull))
{
return(default(SymbolKeyResolution));
}
var result = constructedFromResolution.GetAllSymbols()
.OfType <IMethodSymbol>()
.Select(m => m.Construct(typeArguments));
return(CreateSymbolInfo(result));
}
public static SymbolKeyResolution Resolve(SymbolKeyReader reader)
{
var name = reader.ReadString();
var containingSymbolResolution = reader.ReadSymbolKey();
var arity = reader.ReadInteger();
var typeArgumentResolutions = reader.ReadSymbolKeyArray();
var errorTypes = ResolveErrorTypes(reader, containingSymbolResolution, name, arity);
if (typeArgumentResolutions.IsDefault)
{
return(CreateSymbolInfo(errorTypes));
}
var typeArguments = typeArgumentResolutions.Select(
r => GetFirstSymbol <ITypeSymbol>(r)).ToArray();
if (typeArguments.Any(s_typeIsNull))
{
return(default);
public static SymbolKeyResolution Resolve(SymbolKeyReader reader)
{
var propertyTypeSymbols = reader.ReadSymbolKeyArray();
var propertyTypes = propertyTypeSymbols.Select(r => GetFirstSymbol <ITypeSymbol>(r)).ToImmutableArray();
var propertyNames = reader.ReadStringArray();
if (propertyTypes.Length == propertyNames.Length)
{
try
{
var anonymousType = reader.Compilation.CreateAnonymousTypeSymbol(propertyTypes, propertyNames);
return(new SymbolKeyResolution(anonymousType));
}
catch (ArgumentException)
{
}
}
return(new SymbolKeyResolution(reader.Compilation.ObjectType));
}
public static SymbolKeyResolution Resolve(SymbolKeyReader reader)
{
using var propertyTypes = reader.ReadSymbolKeyArray <ITypeSymbol>();
using var propertyNames = reader.ReadStringArray();
using var propertyIsReadOnly = reader.ReadBooleanArray();
using var propertyLocations = reader.ReadLocationArray();
if (!propertyTypes.IsDefault)
{
try
{
var anonymousType = reader.Compilation.CreateAnonymousTypeSymbol(
propertyTypes.ToImmutable(), propertyNames.ToImmutable(),
propertyIsReadOnly.ToImmutable(), propertyLocations.ToImmutable());
return(new SymbolKeyResolution(anonymousType));
}
catch (ArgumentException)
{
}
}
return(new SymbolKeyResolution(reader.Compilation.ObjectType));
}