IEnumerable <IMethodReference> IPropertyDefinition.GetAccessors(EmitContext context)
{
CheckDefinitionInvariant();
MethodSymbol getMethod = this.GetMethod;
if (getMethod != null && getMethod.ShouldInclude(context))
{
yield return(getMethod);
}
MethodSymbol setMethod = this.SetMethod;
if (setMethod != null && setMethod.ShouldInclude(context))
{
yield return(setMethod);
}
SourcePropertySymbol sourceProperty = this as SourcePropertySymbol;
if ((object)sourceProperty != null && sourceProperty.ShouldInclude(context))
{
SynthesizedSealedPropertyAccessor synthesizedAccessor = sourceProperty.SynthesizedSealedAccessorOpt;
if ((object)synthesizedAccessor != null)
{
yield return(synthesizedAccessor);
}
}
}
public static SourcePropertyAccessorSymbol CreateAccessorSymbol(
NamedTypeSymbol containingType,
SourcePropertySymbol property,
DeclarationModifiers propertyModifiers,
string propertyName,
ArrowExpressionClauseSyntax syntax,
PropertySymbol explicitlyImplementedPropertyOpt,
string aliasQualifierOpt,
DiagnosticBag diagnostics)
{
string name;
ImmutableArray <MethodSymbol> explicitInterfaceImplementations;
GetNameAndExplicitInterfaceImplementations(
explicitlyImplementedPropertyOpt,
propertyName,
property.IsCompilationOutputWinMdObj(),
aliasQualifierOpt,
isGetMethod: true,
name: out name,
explicitInterfaceImplementations:
out explicitInterfaceImplementations);
return(new SourcePropertyAccessorSymbol(
containingType,
name,
property,
propertyModifiers,
explicitInterfaceImplementations,
syntax.Expression.GetLocation(),
syntax,
diagnostics));
}
private IMethodReference GetSynthesizedSealedAccessor(MethodKind targetMethodKind)
{
SourcePropertySymbol sourceProperty = this as SourcePropertySymbol;
if ((object)sourceProperty != null)
{
SynthesizedSealedPropertyAccessor synthesized = sourceProperty.SynthesizedSealedAccessorOpt;
return((object)synthesized != null && synthesized.MethodKind == targetMethodKind ? synthesized : null);
}
return(null);
}
private SourcePropertyAccessorSymbol(
NamedTypeSymbol containingType,
string name,
SourcePropertySymbol property,
DeclarationModifiers propertyModifiers,
ImmutableArray <MethodSymbol> explicitInterfaceImplementations,
Location location,
ArrowExpressionClauseSyntax syntax,
DiagnosticBag diagnostics) :
base(containingType, syntax.GetReference(), location)
{
_property = property;
_explicitInterfaceImplementations = explicitInterfaceImplementations;
_name = name;
_isAutoPropertyAccessor = false;
_isExpressionBodied = true;
// The modifiers for the accessor are the same as the modifiers for the property,
// minus the indexer bit
var declarationModifiers = propertyModifiers & ~DeclarationModifiers.Indexer;
// ReturnsVoid property is overridden in this class so
// returnsVoid argument to MakeFlags is ignored.
this.MakeFlags(MethodKind.PropertyGet, declarationModifiers, returnsVoid: false, isExtensionMethod: false,
isMetadataVirtualIgnoringModifiers: explicitInterfaceImplementations.Any());
CheckModifiersForBody(location, diagnostics);
var info = ModifierUtils.CheckAccessibility(this.DeclarationModifiers);
if (info != null)
{
diagnostics.Add(info, location);
}
this.CheckModifiers(location, hasBody: true, isAutoPropertyOrExpressionBodied: true, diagnostics: diagnostics);
if (this.IsOverride)
{
MethodSymbol overriddenMethod = this.OverriddenMethod;
if ((object)overriddenMethod != null)
{
// If this accessor is overriding a method from metadata, it is possible that
// the name of the overridden method doesn't follow the C# get_X/set_X pattern.
// We should copy the name so that the runtime will recognize this as an override.
_name = overriddenMethod.Name;
}
}
}
private void CompileSynthesizedSealedAccessors(SourcePropertySymbol sourceProperty, TypeCompilationState compilationState)
{
SynthesizedSealedPropertyAccessor synthesizedAccessor = sourceProperty.SynthesizedSealedAccessorOpt;
// we are not generating any observable diagnostics here so it is ok to shortcircuit on global errors.
if ((object)synthesizedAccessor != null && !GlobalHasErrors)
{
Debug.Assert(synthesizedAccessor.SynthesizesLoweredBoundBody);
var discardedDiagnostics = DiagnosticBag.GetInstance();
synthesizedAccessor.GenerateMethodBody(compilationState, discardedDiagnostics);
Debug.Assert(!discardedDiagnostics.HasAnyErrors());
discardedDiagnostics.Free();
moduleBeingBuilt.AddCompilerGeneratedDefinition(sourceProperty.ContainingType, synthesizedAccessor);
}
}
public SynthesizedBackingFieldSymbol(
SourcePropertySymbol property,
string name,
bool isLet,
bool isStatic,
bool hasInitializer)
{
Debug.Assert(!string.IsNullOrEmpty(name));
_name = name;
Modifiers = DeclarationModifiers.Private |
(isLet ? DeclarationModifiers.Readable : DeclarationModifiers.None) |
(isStatic ? DeclarationModifiers.Static : DeclarationModifiers.None);
_property = property;
HasInitializer = hasInitializer;
}
public static SourcePropertyAccessorSymbol CreateAccessorSymbol(
NamedTypeSymbol containingType,
SourcePropertySymbol property,
DeclarationModifiers propertyModifiers,
string propertyName,
AccessorDeclarationSyntax syntax,
PropertySymbol explicitlyImplementedPropertyOpt,
string aliasQualifierOpt,
bool isAutoPropertyAccessor,
DiagnosticBag diagnostics)
{
Debug.Assert(syntax.Kind() == SyntaxKind.GetAccessorDeclaration || syntax.Kind() == SyntaxKind.SetAccessorDeclaration);
bool isGetMethod = (syntax.Kind() == SyntaxKind.GetAccessorDeclaration);
string name;
ImmutableArray <MethodSymbol> explicitInterfaceImplementations;
GetNameAndExplicitInterfaceImplementations(
explicitlyImplementedPropertyOpt,
propertyName,
property.IsCompilationOutputWinMdObj(),
aliasQualifierOpt,
isGetMethod,
out name,
out explicitInterfaceImplementations);
var methodKind = isGetMethod ? MethodKind.PropertyGet : MethodKind.PropertySet;
return(new SourcePropertyAccessorSymbol(
containingType,
name,
property,
propertyModifiers,
explicitInterfaceImplementations,
syntax.Keyword.GetLocation(),
syntax,
methodKind,
isAutoPropertyAccessor,
diagnostics));
}
private SourcePropertyAccessorSymbol(
NamedTypeSymbol containingType,
string name,
SourcePropertySymbol property,
DeclarationModifiers propertyModifiers,
ImmutableArray <MethodSymbol> explicitInterfaceImplementations,
Location location,
AccessorDeclarationSyntax syntax,
MethodKind methodKind,
bool isAutoPropertyAccessor,
DiagnosticBag diagnostics)
: base(containingType,
syntax.GetReference(),
location)
{
_property = property;
_explicitInterfaceImplementations = explicitInterfaceImplementations;
_name = name;
_isAutoPropertyAccessor = isAutoPropertyAccessor;
Debug.Assert(!_property.IsExpressionBodied, "Cannot have accessors in expression bodied lightweight properties");
var hasBody = syntax.Body != null;
var hasExpressionBody = syntax.ExpressionBody != null;
_isExpressionBodied = !hasBody && hasExpressionBody;
bool modifierErrors;
var declarationModifiers = this.MakeModifiers(syntax, location, diagnostics, out modifierErrors);
// Include modifiers from the containing property.
propertyModifiers &= ~DeclarationModifiers.AccessibilityMask;
if ((declarationModifiers & DeclarationModifiers.Private) != 0)
{
// Private accessors cannot be virtual.
propertyModifiers &= ~DeclarationModifiers.Virtual;
}
declarationModifiers |= propertyModifiers & ~DeclarationModifiers.Indexer;
// ReturnsVoid property is overridden in this class so
// returnsVoid argument to MakeFlags is ignored.
this.MakeFlags(methodKind, declarationModifiers, returnsVoid: false, isExtensionMethod: false,
isMetadataVirtualIgnoringModifiers: explicitInterfaceImplementations.Any());
if (hasBody || hasExpressionBody)
{
CheckModifiersForBody(location, diagnostics);
}
var info = ModifierUtils.CheckAccessibility(this.DeclarationModifiers);
if (info != null)
{
diagnostics.Add(info, location);
}
if (!modifierErrors)
{
this.CheckModifiers(location, hasBody || hasExpressionBody, isAutoPropertyAccessor, diagnostics);
}
if (this.IsOverride)
{
MethodSymbol overriddenMethod = this.OverriddenMethod;
if ((object)overriddenMethod != null)
{
// If this accessor is overriding a method from metadata, it is possible that
// the name of the overridden method doesn't follow the C# get_X/set_X pattern.
// We should copy the name so that the runtime will recognize this as an override.
_name = overriddenMethod.Name;
}
}
CheckForBlockAndExpressionBody(
syntax.Body, syntax.ExpressionBody, syntax, diagnostics);
}
private void CompileNamedType(NamedTypeSymbol symbol)
{
TypeCompilationState compilationState = new TypeCompilationState(symbol, moduleBeingBuilt);
cancellationToken.ThrowIfCancellationRequested();
// Find the constructor of a script class.
MethodSymbol scriptCtor = null;
if (symbol.IsScriptClass)
{
// The field initializers of a script class could be arbitrary statements,
// including blocks. Field initializers containing blocks need to
// use a MethodBodySemanticModel to build up the appropriate tree of binders, and
// MethodBodySemanticModel requires an "owning" method. That's why we're digging out
// the constructor - it will own the field initializers.
scriptCtor = symbol.InstanceConstructors[0];
Debug.Assert((object)scriptCtor != null);
}
var synthesizedSubmissionFields = symbol.IsSubmissionClass ? new SynthesizedSubmissionFields(compilation, symbol) : null;
var processedStaticInitializers = new ProcessedFieldInitializers();
var processedInstanceInitializers = new ProcessedFieldInitializers();
var sourceTypeSymbol = symbol as SourceMemberContainerTypeSymbol;
if ((object)sourceTypeSymbol != null)
{
BindFieldInitializers(sourceTypeSymbol, scriptCtor, sourceTypeSymbol.StaticInitializers, this.generateDebugInfo, ref processedStaticInitializers);
BindFieldInitializers(sourceTypeSymbol, scriptCtor, sourceTypeSymbol.InstanceInitializers, this.generateDebugInfo, ref processedInstanceInitializers);
if (compilationState.Emitting)
{
CompileSynthesizedExplicitImplementations(sourceTypeSymbol, compilationState);
}
}
// Indicates if a static constructor is in the member,
// so we can decide to synthesize a static constructor.
bool hasStaticConstructor = false;
foreach (var member in symbol.GetMembers())
{
//When a filter is supplied, limit the compilation of members passing the filter.
if ((this.filter != null) && !this.filter(member))
{
continue;
}
switch (member.Kind)
{
case SymbolKind.NamedType:
member.Accept(this, compilationState);
break;
case SymbolKind.Method:
{
MethodSymbol method = (MethodSymbol)member;
if (method.IsSubmissionConstructor || IsFieldLikeEventAccessor(method))
{
continue;
}
if (method.IsPartial())
{
method = method.PartialImplementation();
if ((object)method == null)
{
continue;
}
}
ProcessedFieldInitializers processedInitializers =
method.MethodKind == MethodKind.Constructor ? processedInstanceInitializers :
method.MethodKind == MethodKind.StaticConstructor ? processedStaticInitializers :
default(ProcessedFieldInitializers);
CompileMethod(method, ref processedInitializers, synthesizedSubmissionFields, compilationState);
// Set a flag to indicate that a static constructor is created.
if (method.MethodKind == MethodKind.StaticConstructor)
{
hasStaticConstructor = true;
}
break;
}
case SymbolKind.Property:
{
SourcePropertySymbol sourceProperty = member as SourcePropertySymbol;
if ((object)sourceProperty != null && sourceProperty.IsSealed && compilationState.Emitting)
{
CompileSynthesizedSealedAccessors(sourceProperty, compilationState);
}
break;
}
case SymbolKind.Event:
{
SourceEventSymbol eventSymbol = member as SourceEventSymbol;
if ((object)eventSymbol != null && eventSymbol.HasAssociatedField && !eventSymbol.IsAbstract && compilationState.Emitting)
{
CompileFieldLikeEventAccessor(eventSymbol, isAddMethod: true, compilationState: compilationState);
CompileFieldLikeEventAccessor(eventSymbol, isAddMethod: false, compilationState: compilationState);
}
break;
}
case SymbolKind.Field:
{
SourceMemberFieldSymbol fieldSymbol = member as SourceMemberFieldSymbol;
if ((object)fieldSymbol != null)
{
if (fieldSymbol.IsConst)
{
// We check specifically for constant fields with bad values because they never result
// in bound nodes being inserted into method bodies (in which case, they would be covered
// by the method-level check).
ConstantValue constantValue = fieldSymbol.GetConstantValue(ConstantFieldsInProgress.Empty, earlyDecodingWellKnownAttributes: false);
SetGlobalErrorIfTrue(constantValue == null || constantValue.IsBad);
}
if (fieldSymbol.IsFixed && compilationState.Emitting)
{
// force the generation of implementation types for fixed-size buffers
TypeSymbol discarded = fieldSymbol.FixedImplementationType(compilationState.ModuleBuilder);
}
}
break;
}
}
}
Debug.Assert(symbol.TypeKind != TypeKind.Submission || ((object)scriptCtor != null && scriptCtor.IsSubmissionConstructor));
// process additional anonymous type members
if (AnonymousTypeManager.IsAnonymousTypeTemplate(symbol))
{
ProcessedFieldInitializers processedInitializers = default(ProcessedFieldInitializers);
foreach (var method in AnonymousTypeManager.GetAnonymousTypeHiddenMethods(symbol))
{
CompileMethod(method, ref processedInitializers, synthesizedSubmissionFields, compilationState);
}
}
// In the case there are field initializers but we haven't created an implicit static constructor (.cctor) for it,
// (since we may not add .cctor implicitly created for decimals into the symbol table)
// it is necessary for the compiler to generate the static constructor here if we are emitting.
if (moduleBeingBuilt != null && !hasStaticConstructor && !processedStaticInitializers.BoundInitializers.IsDefaultOrEmpty)
{
Debug.Assert(processedStaticInitializers.BoundInitializers.All((init) =>
(init.Kind == BoundKind.FieldInitializer) && !((BoundFieldInitializer)init).Field.IsMetadataConstant));
MethodSymbol method = new SynthesizedStaticConstructor(sourceTypeSymbol);
if ((this.filter == null) || this.filter(method))
{
CompileMethod(method, ref processedStaticInitializers, synthesizedSubmissionFields, compilationState);
// If this method has been successfully built, we emit it.
if (moduleBeingBuilt.GetMethodBody(method) != null)
{
moduleBeingBuilt.AddCompilerGeneratedDefinition(sourceTypeSymbol, method);
}
}
}
// compile submission constructor last so that synthesized submission fields are collected from all script methods:
if (synthesizedSubmissionFields != null && compilationState.Emitting)
{
Debug.Assert(scriptCtor.IsSubmissionConstructor);
CompileMethod(scriptCtor, ref processedInstanceInitializers, synthesizedSubmissionFields, compilationState);
synthesizedSubmissionFields.AddToType(scriptCtor.ContainingType, compilationState.ModuleBuilder);
}
// Emit synthesized methods produced during lowering if any
CompileGeneratedMethods(compilationState);
compilationState.Free();
}