internal override TypeSymbol SetUnknownNullabilityForReferenceTypes()
{
TypeSymbolWithAnnotations oldPointedAtType = PointedAtType;
TypeSymbolWithAnnotations newPointedAtType = oldPointedAtType.SetUnknownNullabilityForReferenceTypes();
if (oldPointedAtType.IsSameAs(newPointedAtType))
{
return(this);
}
else
{
return(new PointerTypeSymbol(newPointedAtType));
}
}
public SignatureOnlyParameterSymbol(
TypeSymbolWithAnnotations type,
ImmutableArray <CustomModifier> refCustomModifiers,
bool isParams,
RefKind refKind)
{
Debug.Assert(type.TypeSymbol != null);
Debug.Assert(!refCustomModifiers.IsDefault);
_type = type;
_refCustomModifiers = refCustomModifiers;
_isParams = isParams;
_refKind = refKind;
}
internal override bool ApplyNullableTransforms(ImmutableArray <bool> transforms, INonNullTypesContext nonNullTypesContext, ref int position, out TypeSymbol result)
{
TypeSymbolWithAnnotations oldElementType = ElementType;
TypeSymbolWithAnnotations newElementType;
if (!oldElementType.ApplyNullableTransforms(transforms, nonNullTypesContext, ref position, out newElementType))
{
result = this;
return(false);
}
result = WithElementType(newElementType);
return(true);
}
internal override bool ApplyNullableTransforms(byte defaultTransformFlag, ImmutableArray <byte> transforms, ref int position, out TypeSymbol result)
{
TypeSymbolWithAnnotations oldPointedAtType = PointedAtType;
TypeSymbolWithAnnotations newPointedAtType;
if (!oldPointedAtType.ApplyNullableTransforms(defaultTransformFlag, transforms, ref position, out newPointedAtType))
{
result = this;
return(false);
}
result = WithPointedAtType(newPointedAtType);
return(true);
}
private TypeSymbolWithAnnotations GetTypeSymbol()
{
var diagnostics = DiagnosticBag.GetInstance();
Binder typeBinder = this.TypeSyntaxBinder;
bool isVar;
TypeSymbolWithAnnotations declType;
if (_typeSyntax == null) // In recursive patterns the type may be omitted.
{
isVar = true;
declType = default;
}
else
{
declType = typeBinder.BindTypeOrVarKeyword(_typeSyntax.SkipRef(out _), diagnostics, out isVar);
}
if (isVar)
{
var inferredType = InferTypeOfVarVariable(diagnostics);
// If we got a valid result that was not void then use the inferred type
// else create an error type.
if (inferredType.HasType &&
inferredType.SpecialType != SpecialType.System_Void)
{
declType = inferredType;
}
else
{
declType = TypeSymbolWithAnnotations.Create(typeBinder.CreateErrorType("var"));
}
}
Debug.Assert(declType.HasType);
//
// Note that we drop the diagnostics on the floor! That is because this code is invoked mainly in
// IDE scenarios where we are attempting to use the types of a variable before we have processed
// the code which causes the variable's type to be inferred. In batch compilation, on the
// other hand, local variables have their type inferred, if necessary, in the course of binding
// the statements of a method from top to bottom, and an inferred type is given to a variable
// before the variable's type is used by the compiler.
//
diagnostics.Free();
return(declType);
}
internal void ComputeReturnType()
{
if (!_lazyReturnType.IsNull)
{
return;
}
var diagnostics = DiagnosticBag.GetInstance();
TypeSyntax returnTypeSyntax = _syntax.ReturnType.SkipRef();
TypeSymbolWithAnnotations returnType = _binder.BindType(returnTypeSyntax, diagnostics);
if (IsAsync &&
returnType.SpecialType != SpecialType.System_Void &&
!returnType.TypeSymbol.IsNonGenericTaskType(_binder.Compilation) &&
!returnType.TypeSymbol.IsGenericTaskType(_binder.Compilation))
{
// The return type of an async method must be void, Task or Task<T>
diagnostics.Add(ErrorCode.ERR_BadAsyncReturn, this.Locations[0]);
}
var location = _syntax.ReturnType.Location;
if (_refKind == RefKind.RefReadOnly)
{
DeclaringCompilation.EnsureIsReadOnlyAttributeExists(diagnostics, location, modifyCompilation: false);
}
if (returnType.ContainsNullableReferenceTypes())
{
DeclaringCompilation.EnsureNullableAttributeExists(diagnostics, location, modifyCompilation: false);
// Note: we don't need to warn on annotations used without NonNullTypes context for local functions, as this is handled in binding already
}
Debug.Assert(_refKind == RefKind.None ||
returnType.SpecialType != SpecialType.System_Void ||
returnTypeSyntax.HasErrors);
lock (_declarationDiagnostics)
{
if (!_lazyReturnType.IsNull)
{
diagnostics.Free();
return;
}
_declarationDiagnostics.AddRangeAndFree(diagnostics);
_lazyReturnType = returnType;
}
}
internal static ArrayTypeSymbol CreateMDArray(
TypeSymbolWithAnnotations elementType,
int rank,
ImmutableArray <int> sizes,
ImmutableArray <int> lowerBounds,
NamedTypeSymbol array)
{
// Optimize for most common case - no sizes and all dimensions are zero lower bound.
if (sizes.IsDefaultOrEmpty && lowerBounds.IsDefault)
{
return(new MDArrayNoSizesOrBounds(elementType, rank, array));
}
return(new MDArrayWithSizesAndBounds(elementType, rank, sizes, lowerBounds, array));
}
public static ParameterSymbol Create(
MethodSymbol container,
TypeSymbolWithAnnotations type,
int ordinal,
RefKind refKind,
string name = "",
ImmutableArray <CustomModifier> refCustomModifiers = default(ImmutableArray <CustomModifier>))
{
if (refCustomModifiers.IsDefaultOrEmpty)
{
return(new SynthesizedParameterSymbol(container, type, ordinal, refKind, name));
}
return(new SynthesizedParameterSymbolWithCustomModifiers(container, type, ordinal, refKind, name, refCustomModifiers));
}
internal void SetType(TypeSymbolWithAnnotations newType)
{
TypeSymbol originalType = _type.DefaultType;
// In the event that we race to set the type of a local, we should
// always deduce the same type, or deduce that the type is an error.
Debug.Assert((object)originalType == null ||
originalType.IsErrorType() && newType.IsErrorType() ||
originalType == newType.TypeSymbol);
if ((object)originalType == null)
{
_type.InterlockedInitialize(newType);
}
}
Cci.ITypeReference Cci.IArrayTypeReference.GetElementType(EmitContext context)
{
PEModuleBuilder moduleBeingBuilt = (PEModuleBuilder)context.Module;
TypeSymbolWithAnnotations elementType = this.ElementType;
var type = moduleBeingBuilt.Translate(elementType.TypeSymbol, syntaxNodeOpt: (CSharpSyntaxNode)context.SyntaxNodeOpt, diagnostics: context.Diagnostics);
if (elementType.CustomModifiers.Length == 0)
{
return(type);
}
else
{
return(new Cci.ModifiedTypeReference(type, elementType.CustomModifiers.As <Cci.ICustomModifier>()));
}
}
internal override TypeSymbol SetUnknownNullabilityForReferenceTypes()
{
TypeSymbolWithAnnotations oldElementType = ElementType;
TypeSymbolWithAnnotations newElementType = oldElementType.SetUnknownNullabilityForReferenceTypes();
if (oldElementType.IsSameAs(newElementType))
{
return(this);
}
else
{
return(IsSZArray ?
ArrayTypeSymbol.CreateSZArray(newElementType, _baseType) :
ArrayTypeSymbol.CreateMDArray(newElementType, Rank, Sizes, LowerBounds, _baseType));
}
}
public SynthesizedParameterSymbolBase(
MethodSymbol container,
TypeSymbolWithAnnotations type,
int ordinal,
RefKind refKind,
string name = "")
{
Debug.Assert(!type.IsNull);
Debug.Assert(name != null);
Debug.Assert(ordinal >= 0);
_container = container;
_type = type;
_ordinal = ordinal;
_refKind = refKind;
_name = name;
}
internal void SetType(TypeSymbolWithAnnotations newType)
{
Debug.Assert(!(newType.TypeSymbol is null));
TypeSymbol originalType = _type.DefaultType;
// In the event that we race to set the type of a local, we should
// always deduce the same type, or deduce that the type is an error.
Debug.Assert((object)originalType == null ||
originalType.IsErrorType() && newType.IsErrorType() ||
TypeSymbol.Equals(originalType, newType.TypeSymbol, TypeCompareKind.ConsiderEverything2));
if ((object)originalType == null)
{
_type.InterlockedInitialize(newType);
}
}
protected override TypeSymbolWithAnnotations InferTypeOfVarVariable(DiagnosticBag diagnostics)
{
switch (_nodeToBind.Kind())
{
case SyntaxKind.ThisConstructorInitializer:
case SyntaxKind.BaseConstructorInitializer:
var initializer = (ConstructorInitializerSyntax)_nodeToBind;
_nodeBinder.BindConstructorInitializer(initializer, diagnostics);
break;
case SyntaxKind.ArgumentList:
var invocation = (ConstructorInitializerSyntax)_nodeToBind.Parent;
_nodeBinder.BindConstructorInitializer(invocation, diagnostics);
break;
case SyntaxKind.CasePatternSwitchLabel:
_nodeBinder.BindPatternSwitchLabelForInference((CasePatternSwitchLabelSyntax)_nodeToBind, diagnostics);
break;
case SyntaxKind.VariableDeclarator:
// This occurs, for example, in
// int x, y[out var Z, 1 is int I];
// for (int x, y[out var Z, 1 is int I]; ;) {}
_nodeBinder.BindDeclaratorArguments((VariableDeclaratorSyntax)_nodeToBind, diagnostics);
break;
case SyntaxKind.SwitchExpressionArm:
var arm = (SwitchExpressionArmSyntax)_nodeToBind;
var armBinder = (SwitchExpressionArmBinder)_nodeBinder;
armBinder.BindSwitchExpressionArm(arm, diagnostics);
break;
default:
_nodeBinder.BindExpression((ExpressionSyntax)_nodeToBind, diagnostics);
break;
}
if (this._type.IsDefault)
{
Debug.Assert(this.DeclarationKind == LocalDeclarationKind.DeclarationExpressionVariable);
SetType(TypeSymbolWithAnnotations.Create(_nodeBinder.CreateErrorType("var")));
}
return(_type.ToType());
}
private static SmallDictionary <TypeParameterSymbol, TypeSymbolWithAnnotations> ConstructMapping(ImmutableArray <TypeParameterSymbol> from, ImmutableArray <TypeSymbolWithAnnotations> to)
{
var mapping = new SmallDictionary <TypeParameterSymbol, TypeSymbolWithAnnotations>(ReferenceEqualityComparer.Instance);
Debug.Assert(from.Length == to.Length);
for (int i = 0; i < from.Length; i++)
{
TypeParameterSymbol tp = from[i];
TypeSymbolWithAnnotations ta = to[i];
if (!ta.Is(tp))
{
mapping.Add(tp, ta);
}
}
return(mapping);
}
protected override void MethodChecks(DiagnosticBag diagnostics)
{
var syntax = GetSyntax();
var binderFactory = this.DeclaringCompilation.GetBinderFactory(syntax.SyntaxTree);
ParameterListSyntax parameterList = syntax.ParameterList;
// NOTE: if we asked for the binder for the body of the constructor, we'd risk a stack overflow because
// we might still be constructing the member list of the containing type. However, getting the binder
// for the parameters should be safe.
var bodyBinder = binderFactory.GetBinder(parameterList, syntax, this).WithContainingMemberOrLambda(this);
// Constraint checking for parameter and return types must be delayed until
// the method has been added to the containing type member list since
// evaluating the constraints may depend on accessing this method from
// the container (comparing this method to others to find overrides for
// instance). Constraints are checked in AfterAddingTypeMembersChecks.
var signatureBinder = bodyBinder.WithAdditionalFlagsAndContainingMemberOrLambda(BinderFlags.SuppressConstraintChecks, this);
SyntaxToken arglistToken;
_lazyParameters = ParameterHelpers.MakeParameters(
signatureBinder, this, parameterList, out arglistToken,
allowRefOrOut: true,
allowThis: false,
addRefReadOnlyModifier: false,
diagnostics: diagnostics);
_lazyIsVararg = (arglistToken.Kind() == SyntaxKind.ArgListKeyword);
_lazyReturnType = TypeSymbolWithAnnotations.Create(bodyBinder.GetSpecialType(SpecialType.System_Void, diagnostics, syntax));
var location = this.Locations[0];
if (MethodKind == MethodKind.StaticConstructor && (_lazyParameters.Length != 0))
{
diagnostics.Add(ErrorCode.ERR_StaticConstParam, location, this);
}
this.CheckEffectiveAccessibility(_lazyReturnType, _lazyParameters, diagnostics);
if (_lazyIsVararg && (IsGenericMethod || ContainingType.IsGenericType || _lazyParameters.Length > 0 && _lazyParameters[_lazyParameters.Length - 1].IsParams))
{
diagnostics.Add(ErrorCode.ERR_BadVarargs, location);
}
}
internal SynthesizedSubmissionConstructor(NamedTypeSymbol containingType, DiagnosticBag diagnostics)
: base(containingType)
{
Debug.Assert(containingType.TypeKind == TypeKind.Submission);
Debug.Assert(diagnostics != null);
var compilation = containingType.DeclaringCompilation;
var submissionArrayType = compilation.CreateArrayTypeSymbol(compilation.GetSpecialType(SpecialType.System_Object));
var useSiteError = submissionArrayType.GetUseSiteDiagnostic();
if (useSiteError != null)
{
diagnostics.Add(useSiteError, NoLocation.Singleton);
}
_parameters = ImmutableArray.Create <ParameterSymbol>(
SynthesizedParameterSymbol.Create(this, TypeSymbolWithAnnotations.Create(submissionArrayType), 0, RefKind.None, "submissionArray"));
}
private ArrayTypeSymbol SubstituteArrayType(ArrayTypeSymbol t)
{
var oldElement = t.ElementType;
TypeSymbolWithAnnotations element = oldElement.SubstituteTypeWithTupleUnification(this);
if (element.IsSameAs(oldElement))
{
return(t);
}
if (t.IsSZArray)
{
ImmutableArray <NamedTypeSymbol> interfaces = t.InterfacesNoUseSiteDiagnostics();
Debug.Assert(0 <= interfaces.Length && interfaces.Length <= 2);
if (interfaces.Length == 1)
{
Debug.Assert(interfaces[0] is NamedTypeSymbol); // IList<T>
interfaces = ImmutableArray.Create <NamedTypeSymbol>(SubstituteNamedType(interfaces[0]));
}
else if (interfaces.Length == 2)
{
Debug.Assert(interfaces[0] is NamedTypeSymbol); // IList<T>
interfaces = ImmutableArray.Create <NamedTypeSymbol>(SubstituteNamedType(interfaces[0]), SubstituteNamedType(interfaces[1]));
}
else if (interfaces.Length != 0)
{
throw ExceptionUtilities.Unreachable;
}
return(ArrayTypeSymbol.CreateSZArray(
element,
t.BaseTypeNoUseSiteDiagnostics,
interfaces));
}
return(ArrayTypeSymbol.CreateMDArray(
element,
t.Rank,
t.Sizes,
t.LowerBounds,
t.BaseTypeNoUseSiteDiagnostics));
}
private TypeSymbolWithAnnotations ComputeReturnType(DiagnosticBag diagnostics)
{
if (this.MethodKind == MethodKind.PropertyGet)
{
var type = _property.Type;
if (!ContainingType.IsInterfaceType() && type.TypeSymbol.IsStatic)
{
// '{0}': static types cannot be used as return types
diagnostics.Add(ErrorCode.ERR_ReturnTypeIsStaticClass, this.locations[0], type.TypeSymbol);
}
return(type);
}
else
{
var binder = GetBinder();
return(TypeSymbolWithAnnotations.Create(binder.GetSpecialType(SpecialType.System_Void, diagnostics, this.GetSyntax())));
}
}
/// <remarks>
/// Out params are updated by assignment. If you require thread-safety, pass temps and then
/// CompareExchange them back into shared memory.
/// </remarks>
internal static void CopyMethodCustomModifiers(
MethodSymbol sourceMethod,
MethodSymbol destinationMethod,
out TypeSymbolWithAnnotations returnType,
out ImmutableArray <CustomModifier> customModifiers,
out ImmutableArray <ParameterSymbol> parameters,
bool alsoCopyParamsModifier) // Last since always named.
{
Debug.Assert((object)sourceMethod != null);
// Assert: none of the method's type parameters have been substituted
Debug.Assert((object)sourceMethod == sourceMethod.ConstructedFrom);
// For the most part, we will copy custom modifiers by copying types.
// The only time when this fails is when the type refers to a type parameter
// owned by the overridden method. We need to replace all such references
// with (equivalent) type parameters owned by this method. We know that
// we can perform this mapping positionally, because the method signatures
// have already been compared.
MethodSymbol constructedSourceMethod = sourceMethod.ConstructIfGeneric(destinationMethod.TypeArguments);
customModifiers =
destinationMethod.RefKind != RefKind.None ? constructedSourceMethod.RefCustomModifiers : ImmutableArray <CustomModifier> .Empty;
parameters = CopyParameterCustomModifiers(constructedSourceMethod.Parameters, destinationMethod.Parameters, alsoCopyParamsModifier);
returnType = destinationMethod.ReturnType; // Default value - in case we don't copy the custom modifiers.
TypeSymbol returnTypeSymbol = returnType.TypeSymbol;
var sourceMethodReturnType = constructedSourceMethod.ReturnType;
// We do an extra check before copying the return type to handle the case where the overriding
// method (incorrectly) has a different return type than the overridden method. In such cases,
// we want to retain the original (incorrect) return type to avoid hiding the return type
// given in source.
TypeSymbol returnTypeWithCustomModifiers = sourceMethodReturnType.TypeSymbol;
if (returnTypeSymbol.Equals(returnTypeWithCustomModifiers, TypeCompareKind.AllIgnoreOptions))
{
returnType = returnType.WithTypeAndModifiers(CopyTypeCustomModifiers(returnTypeWithCustomModifiers, returnTypeSymbol, destinationMethod.ContainingAssembly, nonNullTypesContext: destinationMethod),
sourceMethodReturnType.CustomModifiers);
}
}
public SignatureOnlyPropertySymbol(
string name,
TypeSymbol containingType,
ImmutableArray <ParameterSymbol> parameters,
RefKind refKind,
TypeSymbolWithAnnotations type,
ImmutableArray <CustomModifier> refCustomModifiers,
bool isStatic,
ImmutableArray <PropertySymbol> explicitInterfaceImplementations)
{
_refKind = refKind;
_type = type;
_refCustomModifiers = refCustomModifiers;
_isStatic = isStatic;
_parameters = parameters;
_explicitInterfaceImplementations = explicitInterfaceImplementations.NullToEmpty();
_containingType = containingType;
_name = name;
}
public static InjectedNonNullTypesAttributeSymbol Create(NamespaceSymbol containingNamespace)
{
return(new InjectedNonNullTypesAttributeSymbol(AttributeDescription.NonNullTypesAttribute, containingNamespace, containingNamespace.DeclaringCompilation, makeConstructor));
ImmutableArray <MethodSymbol> makeConstructor(CSharpCompilation compilation, NamedTypeSymbol containingType, DiagnosticBag diagnostics)
{
var boolType = compilation.GetSpecialType(SpecialType.System_Boolean);
Binder.ReportUseSiteDiagnostics(boolType, diagnostics, Location.None);
var boolWithAnnotations = TypeSymbolWithAnnotations.Create(boolType);
// https://github.com/dotnet/roslyn/issues/30143: Constructor should save the parameter into a field (for users of reflection)
return(ImmutableArray.Create <MethodSymbol>(
new NonNullTypesAttributeConstructorSymbol(
containingType,
m => ImmutableArray.Create(SynthesizedParameterSymbol.Create(m, boolWithAnnotations, 0, ConstantValue.True, name: "flag")))));
}
}
internal override TypeSymbolWithAnnotations GetFieldType(ConsList <FieldSymbol> fieldsBeingBound)
{
Debug.Assert(fieldsBeingBound != null);
if (!_lazyType.IsNull)
{
return(_lazyType.ToType());
}
var typeSyntax = TypeSyntax;
var compilation = this.DeclaringCompilation;
var diagnostics = DiagnosticBag.GetInstance();
var binderFactory = compilation.GetBinderFactory(SyntaxTree);
var binder = binderFactory.GetBinder(typeSyntax);
bool isVar;
TypeSymbolWithAnnotations type = binder.BindTypeOrVarKeyword(typeSyntax, diagnostics, out isVar);
Debug.Assert(!type.IsNull || isVar);
if (isVar && !fieldsBeingBound.ContainsReference(this))
{
InferFieldType(fieldsBeingBound, binder);
Debug.Assert(!_lazyType.IsNull);
}
else
{
if (isVar)
{
diagnostics.Add(ErrorCode.ERR_RecursivelyTypedVariable, this.ErrorLocation, this);
type = TypeSymbolWithAnnotations.Create(binder.NonNullTypesContext, binder.CreateErrorType("var"));
}
SetType(compilation, diagnostics, type);
}
diagnostics.Free();
return(_lazyType.ToType());
}
public LambdaSymbol(
CSharpCompilation compilation,
Symbol containingSymbol,
UnboundLambda unboundLambda,
ImmutableArray <TypeSymbolWithAnnotations> parameterTypes,
ImmutableArray <RefKind> parameterRefKinds,
RefKind refKind,
TypeSymbolWithAnnotations returnType,
DiagnosticBag diagnostics)
{
_containingSymbol = containingSymbol;
_messageID = unboundLambda.Data.MessageID;
_syntax = unboundLambda.Syntax;
_refKind = refKind;
_returnType = !returnType.HasType ? TypeSymbolWithAnnotations.Create(ReturnTypeIsBeingInferred) : returnType;
_isSynthesized = unboundLambda.WasCompilerGenerated;
_isAsync = unboundLambda.IsAsync;
// No point in making this lazy. We are always going to need these soon after creation of the symbol.
_parameters = MakeParameters(compilation, unboundLambda, parameterTypes, parameterRefKinds, diagnostics);
}
/// <summary>
/// Perform the substitution on the given type. Each occurrence of the type parameter is
/// replaced with its corresponding type argument from the map.
/// </summary>
/// <param name="previous">The type to be rewritten.</param>
/// <returns>The type with type parameters replaced with the type arguments.</returns>
internal TypeSymbolWithAnnotations SubstituteType(TypeSymbol previous)
{
if (ReferenceEquals(previous, null))
{
return(default(TypeSymbolWithAnnotations));
}
TypeSymbol result;
switch (previous.Kind)
{
case SymbolKind.NamedType:
result = SubstituteNamedType((NamedTypeSymbol)previous);
break;
case SymbolKind.TypeParameter:
return(SubstituteTypeParameter((TypeParameterSymbol)previous));
case SymbolKind.ArrayType:
result = SubstituteArrayType((ArrayTypeSymbol)previous);
break;
case SymbolKind.PointerType:
result = SubstitutePointerType((PointerTypeSymbol)previous);
break;
case SymbolKind.DynamicType:
result = SubstituteDynamicType();
break;
case SymbolKind.ErrorType:
return(((ErrorTypeSymbol)previous).Substitute(this));
default:
result = previous;
break;
}
// https://github.com/dotnet/roslyn/issues/30072: we're dropping annotation and context
return(TypeSymbolWithAnnotations.Create(result));
}
Cci.ITypeReference Cci.IFieldReference.GetType(EmitContext context)
{
PEModuleBuilder moduleBeingBuilt = (PEModuleBuilder)context.Module;
TypeSymbolWithAnnotations fieldType = this.Type;
var customModifiers = fieldType.CustomModifiers;
var isFixed = this.IsFixed;
var implType = isFixed ? this.FixedImplementationType(moduleBeingBuilt) : fieldType.TypeSymbol;
var type = moduleBeingBuilt.Translate(implType,
syntaxNodeOpt: (CSharpSyntaxNode)context.SyntaxNodeOpt,
diagnostics: context.Diagnostics);
if (isFixed || customModifiers.Length == 0)
{
return(type);
}
else
{
return(new Cci.ModifiedTypeReference(type, customModifiers.As <Cci.ICustomModifier>()));
}
}
protected SourceParameterSymbol(
Symbol owner,
TypeSymbolWithAnnotations parameterType,
int ordinal,
RefKind refKind,
string name,
ImmutableArray <Location> locations)
: base(owner, ordinal)
{
#if DEBUG
foreach (var location in locations)
{
Debug.Assert(location != null);
}
#endif
Debug.Assert((owner.Kind == SymbolKind.Method) || (owner.Kind == SymbolKind.Property));
this.parameterType = parameterType;
_refKind = refKind;
_name = name;
_locations = locations;
}
IEnumerable <Cci.TypeReferenceWithAttributes> Cci.ITypeDefinition.Interfaces(EmitContext context)
{
Debug.Assert(((Cci.ITypeReference) this).AsTypeDefinition(context) != null);
PEModuleBuilder moduleBeingBuilt = (PEModuleBuilder)context.Module;
foreach (NamedTypeSymbol @interface in this.GetInterfacesToEmit())
{
var typeRef = moduleBeingBuilt.Translate(
@interface,
syntaxNodeOpt: (CSharpSyntaxNode)context.SyntaxNodeOpt,
diagnostics: context.Diagnostics,
fromImplements: true);
var type = TypeSymbolWithAnnotations.Create(@interface);
yield return(type.GetTypeRefWithAttributes(
moduleBeingBuilt,
declaringSymbol: this,
typeRef));
}
}
internal static SynthesizedEntryPointSymbol Create(SynthesizedInteractiveInitializerMethod initializerMethod, DiagnosticBag diagnostics)
{
var containingType = initializerMethod.ContainingType;
var compilation = containingType.DeclaringCompilation;
if (compilation.IsSubmission)
{
var systemObject = Binder.GetSpecialType(compilation, SpecialType.System_Object, DummySyntax(), diagnostics);
var submissionArrayType = compilation.CreateArrayTypeSymbol(systemObject);
ReportUseSiteDiagnostics(submissionArrayType, diagnostics);
return(new SubmissionEntryPoint(
containingType,
initializerMethod.ReturnType,
submissionArrayType));
}
else
{
var systemVoid = Binder.GetSpecialType(compilation, SpecialType.System_Void, DummySyntax(), diagnostics);
return(new ScriptEntryPoint(containingType, TypeSymbolWithAnnotations.Create(nonNullTypesContext: containingType, systemVoid)));
}
}
internal InvokeMethod(SynthesizedDelegateSymbol containingType, BitVector byRefParameters, TypeSymbol voidReturnTypeOpt)
{
var typeParams = containingType.TypeParameters;
_containingType = containingType;
// if we are given Void type the method returns Void, otherwise its return type is the last type parameter of the delegate:
_returnType = voidReturnTypeOpt ?? typeParams.Last();
var parameters = new ParameterSymbol[typeParams.Length - ((object)voidReturnTypeOpt != null ? 0 : 1)];
for (int i = 0; i < parameters.Length; i++)
{
// we don't need to distinguish between out and ref since this is an internal synthesized symbol:
var refKind = !byRefParameters.IsNull && byRefParameters[i] ? RefKind.Ref : RefKind.None;
parameters[i] = SynthesizedParameterSymbol.Create(this, TypeSymbolWithAnnotations.Create(typeParams[i]), i, refKind);
}
_parameters = parameters.AsImmutableOrNull();
}