internal override void GenerateMethodBody(TypeCompilationState compilationState, BindingDiagnosticBag diagnostics)
{
var F = new SyntheticBoundNodeFactory(this, this.SyntaxNode, compilationState, diagnostics);
try
{
var paramAccess = F.Parameter(Parameters[0]);
BoundExpression expression;
if (ContainingType.IsStructType())
{
throw ExceptionUtilities.Unreachable;
}
else
{
if (_typedRecordEquals.ReturnType.SpecialType != SpecialType.System_Boolean)
{
// There is a signature mismatch, an error was reported elsewhere
F.CloseMethod(F.ThrowNull());
return;
}
// For classes:
// return this.Equals(param as ContainingType);
expression = F.Call(F.This(), _typedRecordEquals, F.As(paramAccess, ContainingType));
}
F.CloseMethod(F.Block(ImmutableArray.Create <BoundStatement>(F.Return(expression))));
}
catch (SyntheticBoundNodeFactory.MissingPredefinedMember ex)
{
diagnostics.Add(ex.Diagnostic);
F.CloseMethod(F.ThrowNull());
}
}
internal override void GenerateMethodBody(TypeCompilationState compilationState, DiagnosticBag diagnostics)
{
var F = new SyntheticBoundNodeFactory(this, ContainingType.GetNonNullSyntaxNode(), compilationState, diagnostics);
var paramAccess = F.Parameter(Parameters[0]);
BoundExpression expression;
if (ContainingType.IsStructType())
{
// For structs:
//
// return param is ContainingType i ? this.Equals(in i) : false;
expression = F.Conditional(
F.Is(paramAccess, ContainingType),
F.Call(
F.This(),
_typedRecordEquals,
ImmutableArray.Create <RefKind>(RefKind.In),
ImmutableArray.Create <BoundExpression>(F.Convert(ContainingType, paramAccess))),
F.Literal(false),
F.SpecialType(SpecialType.System_Boolean));
}
else
{
// For classes:
// return this.Equals(param as ContainingType);
expression = F.Call(F.This(), _typedRecordEquals, F.As(paramAccess, ContainingType));
}
F.CloseMethod(F.Block(ImmutableArray.Create <BoundStatement>(F.Return(expression))));
}
internal override void GenerateMethodBody(TypeCompilationState compilationState, DiagnosticBag diagnostics)
{
var F = new SyntheticBoundNodeFactory(this, ContainingType.GetNonNullSyntaxNode(), compilationState, diagnostics);
var paramAccess = F.Parameter(Parameters[0]);
BoundExpression expression;
if (ContainingType.IsStructType())
{
throw ExceptionUtilities.Unreachable;
}
else
{
// For classes:
// return this.Equals(param as ContainingType);
expression = F.Call(F.This(), _typedRecordEquals, F.As(paramAccess, ContainingType));
}
F.CloseMethod(F.Block(ImmutableArray.Create <BoundStatement>(F.Return(expression))));
}
private (DeclarationModifiers mods, bool hasExplicitAccessMod) MakeModifiers(MethodKind methodKind, bool isPartial, bool hasBody, Location location, DiagnosticBag diagnostics)
{
bool isInterface = this.ContainingType.IsInterface;
bool isExplicitInterfaceImplementation = methodKind == MethodKind.ExplicitInterfaceImplementation;
var defaultAccess = isInterface && isPartial && !isExplicitInterfaceImplementation ? DeclarationModifiers.Public : DeclarationModifiers.Private;
// Check that the set of modifiers is allowed
var allowedModifiers = DeclarationModifiers.Partial | DeclarationModifiers.Unsafe;
var defaultInterfaceImplementationModifiers = DeclarationModifiers.None;
if (!isExplicitInterfaceImplementation)
{
allowedModifiers |= DeclarationModifiers.New |
DeclarationModifiers.Sealed |
DeclarationModifiers.Abstract |
DeclarationModifiers.Static |
DeclarationModifiers.Virtual |
DeclarationModifiers.AccessibilityMask;
if (!isInterface)
{
allowedModifiers |= DeclarationModifiers.Override;
}
else
{
// This is needed to make sure we can detect 'public' modifier specified explicitly and
// check it against language version below.
defaultAccess = DeclarationModifiers.None;
defaultInterfaceImplementationModifiers |= DeclarationModifiers.Sealed |
DeclarationModifiers.Abstract |
DeclarationModifiers.Static |
DeclarationModifiers.Virtual |
DeclarationModifiers.Extern |
DeclarationModifiers.Async |
DeclarationModifiers.Partial |
DeclarationModifiers.AccessibilityMask;
}
}
else if (isInterface)
{
Debug.Assert(isExplicitInterfaceImplementation);
allowedModifiers |= DeclarationModifiers.Abstract;
}
allowedModifiers |= DeclarationModifiers.Extern | DeclarationModifiers.Async;
if (ContainingType.IsStructType())
{
allowedModifiers |= DeclarationModifiers.ReadOnly;
}
// In order to detect whether explicit accessibility mods were provided, we pass the default value
// for 'defaultAccess' and manually add in the 'defaultAccess' flags after the call.
bool hasExplicitAccessMod;
DeclarationModifiers mods = MakeDeclarationModifiers(allowedModifiers, diagnostics);
if ((mods & DeclarationModifiers.AccessibilityMask) == 0)
{
hasExplicitAccessMod = false;
mods |= defaultAccess;
}
else
{
hasExplicitAccessMod = true;
}
this.CheckUnsafeModifier(mods, diagnostics);
ModifierUtils.ReportDefaultInterfaceImplementationModifiers(hasBody, mods,
defaultInterfaceImplementationModifiers,
location, diagnostics);
mods = AddImpliedModifiers(mods, isInterface, methodKind, hasBody);
return(mods, hasExplicitAccessMod);
}