public static bool IsRequiredPort([NotNull] this IMethodSymbol methodSymbol, [NotNull] SemanticModel semanticModel)
{
Requires.NotNull(methodSymbol, nameof(methodSymbol));
Requires.NotNull(semanticModel, nameof(semanticModel));
return(methodSymbol.IsRequiredPort(semanticModel.Compilation));
}
/// <summary>
/// Normalizes the <paramref name="accessors" />.
/// </summary>
private IEnumerable <AccessorDeclarationSyntax> NormalizerAccessors(IEnumerable <AccessorDeclarationSyntax> accessors)
{
foreach (var accessor in accessors)
{
_methodSymbol = accessor.GetMethodSymbol(SemanticModel);
var body = CreateBindingCode();
if (_methodSymbol.IsRequiredPort(SemanticModel))
{
// Cannot use the SyntaxGenerator extension method due to a Roslyn bug
var hiddenAttribute = (AttributeListSyntax)Syntax.Attribute(typeof(DebuggerHiddenAttribute).GetGlobalName());
var delegateFieldName = Syntax.LiteralExpression(GetBindingDelegateFieldName());
var infoFieldName = Syntax.LiteralExpression(GetBinderFieldName());
var defaultMethod = Syntax.LiteralExpression(GetUnboundPortAssignmentMethodName());
var fieldAttribute = (AttributeListSyntax)Syntax.Attribute(typeof(BindingMetadataAttribute).GetGlobalName(),
delegateFieldName, infoFieldName, defaultMethod);
var requiredPortAccessor = accessor.AddAttributeLists(hiddenAttribute, fieldAttribute);
yield return(requiredPortAccessor.WithBody(body).WithSemicolonToken(default(SyntaxToken)));
}
else
{
yield return(accessor.WithBody(body));
}
}
}
public static bool CanBeAffectedByFaults([NotNull] this IMethodSymbol methodSymbol, [NotNull] Compilation compilation)
{
Requires.NotNull(methodSymbol, nameof(methodSymbol));
// Faults can only affect non-abstract methods that can be overwritten
if (methodSymbol.IsAbstract || methodSymbol.IsSealed || (!methodSymbol.IsVirtual && !methodSymbol.IsOverride))
{
return(false);
}
// Faults affect only component methods
return(methodSymbol.IsProvidedPort(compilation) ||
methodSymbol.IsRequiredPort(compilation) ||
methodSymbol.IsUpdateMethod(compilation));
}
/// <summary>
/// Normalizes the <paramref name="declaration" />.
/// </summary>
public override SyntaxNode VisitMethodDeclaration(MethodDeclarationSyntax declaration)
{
_methodSymbol = declaration.GetMethodSymbol(SemanticModel);
if (!_methodSymbol.ContainingType.IsComponent(SemanticModel) || !_methodSymbol.IsRequiredPort(SemanticModel))
return declaration;
var body = CreateBindingCode();
var originalDeclaration = declaration;
var index = declaration.Modifiers.IndexOf(SyntaxKind.ExternKeyword);
var delegateFieldName = Syntax.LiteralExpression(GetBindingDelegateFieldName());
var infoFieldName = Syntax.LiteralExpression(GetBinderFieldName());
var defaultMethod = Syntax.LiteralExpression(GetUnboundPortAssignmentMethodName());
declaration = declaration.WithModifiers(declaration.Modifiers.RemoveAt(index)).WithSemicolonToken(default(SyntaxToken));
declaration = (MethodDeclarationSyntax)Syntax.AddAttribute<DebuggerHiddenAttribute>(declaration);
declaration = (MethodDeclarationSyntax)Syntax.AddAttribute<BindingMetadataAttribute>(declaration,
delegateFieldName, infoFieldName, defaultMethod);
return declaration.WithBody(body).EnsureLineCount(originalDeclaration);
}
/// <summary>
/// Normalizes the <paramref name="declaration" />.
/// </summary>
public override SyntaxNode VisitMethodDeclaration(MethodDeclarationSyntax declaration)
{
_methodSymbol = declaration.GetMethodSymbol(SemanticModel);
if (!_methodSymbol.ContainingType.IsComponent(SemanticModel) || !_methodSymbol.IsRequiredPort(SemanticModel))
{
return(declaration);
}
var body = CreateBindingCode();
var originalDeclaration = declaration;
var index = declaration.Modifiers.IndexOf(SyntaxKind.ExternKeyword);
var delegateFieldName = Syntax.LiteralExpression(GetBindingDelegateFieldName());
var infoFieldName = Syntax.LiteralExpression(GetBinderFieldName());
var defaultMethod = Syntax.LiteralExpression(GetUnboundPortAssignmentMethodName());
declaration = declaration.WithModifiers(declaration.Modifiers.RemoveAt(index)).WithSemicolonToken(default(SyntaxToken));
declaration = (MethodDeclarationSyntax)Syntax.AddAttribute <DebuggerHiddenAttribute>(declaration);
declaration = (MethodDeclarationSyntax)Syntax.AddAttribute <BindingMetadataAttribute>(declaration,
delegateFieldName, infoFieldName, defaultMethod);
return(declaration.WithBody(body).EnsureLineCount(originalDeclaration));
}
/// <summary>
/// Normalizes the <paramref name="accessors" />.
/// </summary>
private IEnumerable<AccessorDeclarationSyntax> NormalizerAccessors(IEnumerable<AccessorDeclarationSyntax> accessors)
{
foreach (var accessor in accessors)
{
_methodSymbol = accessor.GetMethodSymbol(SemanticModel);
var body = CreateBindingCode();
if (_methodSymbol.IsRequiredPort(SemanticModel))
{
// Cannot use the SyntaxGenerator extension method due to a Roslyn bug
var hiddenAttribute = (AttributeListSyntax)Syntax.Attribute(typeof(DebuggerHiddenAttribute).GetGlobalName());
var delegateFieldName = Syntax.LiteralExpression(GetBindingDelegateFieldName());
var infoFieldName = Syntax.LiteralExpression(GetBinderFieldName());
var defaultMethod = Syntax.LiteralExpression(GetUnboundPortAssignmentMethodName());
var fieldAttribute = (AttributeListSyntax)Syntax.Attribute(typeof(BindingMetadataAttribute).GetGlobalName(),
delegateFieldName, infoFieldName, defaultMethod);
var requiredPortAccessor = accessor.AddAttributeLists(hiddenAttribute, fieldAttribute);
yield return requiredPortAccessor.WithBody(body).WithSemicolonToken(default(SyntaxToken));
}
else
yield return accessor.WithBody(body);
}
}
