/// <summary>
/// Finds the matching nodes of a <see cref="IUnaryNotExpression"/>.
/// </summary>
/// <param name="node">The agent expression to check.</param>
/// <param name="errorList">The list of errors found.</param>
/// <param name="resolvedResult">The expression result types upon return.</param>
/// <param name="resolvedException">Exceptions the expression can throw upon return.</param>
/// <param name="constantSourceList">Sources of the constant expression upon return, if any.</param>
/// <param name="expressionConstant">The constant value upon return, if any.</param>
public static bool ResolveCompilerReferences(IUnaryNotExpression node, IErrorList errorList, out IResultType resolvedResult, out IResultException resolvedException, out ISealableList <IExpression> constantSourceList, out ILanguageConstant expressionConstant)
{
resolvedResult = null;
resolvedException = null;
constantSourceList = new SealableList <IExpression>();
expressionConstant = NeutralLanguageConstant.NotConstant;
IExpression RightExpression = (IExpression)node.RightExpression;
IClass EmbeddingClass = node.EmbeddingClass;
bool IsRightClassType = Expression.GetClassTypeOfExpression(RightExpression, errorList, out IClassType RightExpressionClassType);
if (!IsRightClassType)
{
return(false);
}
Expression.IsLanguageTypeAvailable(LanguageClasses.Boolean.Guid, node, out ITypeName BooleanTypeName, out ICompiledType BooleanType);
Expression.IsLanguageTypeAvailable(LanguageClasses.Event.Guid, node, out ITypeName EventTypeName, out ICompiledType EventType);
Debug.Assert(RightExpressionClassType == BooleanType || RightExpressionClassType == EventType);
node.SetIsEventExpression(RightExpressionClassType != BooleanType);
constantSourceList.Add(RightExpression);
resolvedResult = new ResultType(BooleanTypeName, BooleanType, string.Empty);
ResultException.Propagate(RightExpression.ResolvedException, out resolvedException);
#if COVERAGE
Debug.Assert(node.IsComplex);
#endif
return(true);
}
/// <summary>
/// Compares two expressions.
/// </summary>
/// <param name="other">The other expression.</param>
protected bool IsExpressionEqual(IUnaryNotExpression other)
{
Debug.Assert(other != null);
bool Result = true;
Result &= Expression.IsExpressionEqual((IExpression)RightExpression, (IExpression)other.RightExpression);
return(Result);
}
/// <summary>
/// Initializes a new instance of the <see cref="CSharpUnaryNotExpression"/> class.
/// </summary>
/// <param name="context">The creation context.</param>
/// <param name="source">The Easly expression from which the C# expression is created.</param>
protected CSharpUnaryNotExpression(ICSharpContext context, IUnaryNotExpression source)
: base(context, source)
{
RightExpression = Create(context, (IExpression)source.RightExpression);
}
/// <summary>
/// Creates a new C# expression.
/// </summary>
/// <param name="context">The creation context.</param>
/// <param name="source">The Easly expression from which the C# expression is created.</param>
public static ICSharpUnaryNotExpression Create(ICSharpContext context, IUnaryNotExpression source)
{
return(new CSharpUnaryNotExpression(context, source));
}