protected sealed override SymbolKeyResolution Resolve(
SymbolKeyReader reader, IAliasSymbol?contextualSymbol, out string?failureReason)
{
var name = reader.ReadRequiredString();
var targetResolution = reader.ReadSymbolKey(contextualSymbol?.Target, out var targetFailureReason);
var filePath = reader.ReadRequiredString();
if (targetFailureReason != null)
{
failureReason = $"({nameof(AliasSymbolKey)} {nameof(targetResolution)} failed -> {targetFailureReason})";
return(default);
protected sealed override SymbolKeyResolution Resolve(
SymbolKeyReader reader, IParameterSymbol?contextualSymbol, out string?failureReason)
{
var metadataName = reader.ReadRequiredString();
// Parameters are owned by members, and members are never resolved in a way where we have contextual
// types to guide how the outer parts of the member may resolve. We can use contextual typing for the
// *signature* portion of the member though.
var containingSymbolResolution = reader.ReadSymbolKey(
contextualSymbol?.ContainingSymbol, out var containingSymbolFailureReason);
if (containingSymbolFailureReason != null)
{
failureReason = $"({nameof(ParameterSymbolKey)} {nameof(containingSymbolResolution)} failed -> {containingSymbolFailureReason})";
return(default);
public static SymbolKeyResolution Resolve(SymbolKeyReader reader, out string?failureReason)
{
var cancellationToken = reader.CancellationToken;
var name = reader.ReadRequiredString();
var kind = (SymbolKind)reader.ReadInteger();
#pragma warning disable IDE0007 // Use implicit type
PooledArrayBuilder <Location> locations = reader.ReadLocationArray(out var locationsFailureReason) !;
#pragma warning restore IDE0007 // Use implicit type
var ordinal = reader.ReadInteger();
if (locationsFailureReason != null)
{
failureReason = $"({nameof(BodyLevelSymbolKey)} {nameof(locations)} failed -> {locationsFailureReason})";
return(default);
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);
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);
protected sealed override SymbolKeyResolution Resolve(
SymbolKeyReader reader, INamespaceSymbol?contextualSymbol, out string?failureReason)
{
var metadataName = reader.ReadRequiredString();
var containerKind = reader.ReadInteger();
var containingContextualSymbol = containerKind switch
{
0 => contextualSymbol?.ContainingNamespace,
1 => contextualSymbol?.ContainingModule,
2 => contextualSymbol?.ContainingAssembly,
3 => (ISymbol?)null,
_ => throw ExceptionUtilities.UnexpectedValue(containerKind),
};
// Namespaces are never parented by types, so there can be no contextual type to resolve our container.
var containingSymbolResolution = reader.ReadSymbolKey(
containingContextualSymbol, out var containingSymbolFailureReason);
if (containingSymbolFailureReason != null)
{
failureReason = $"({nameof(EventSymbolKey)} {nameof(containingSymbolResolution)} failed -> {containingSymbolFailureReason})";
return(default);