private List<IValue> ArrayIndexAccess(ArrayClepsType expressionType, IList<ClepsParser.RightHandExpressionContext> arrayIndexExpression)
{
var indexValues = arrayIndexExpression.Select(i =>
{
var indexValueRet = Visit(i);
IValue indexValue = indexValueRet as IValue;
if (indexValue.ExpressionType != CompilerConstants.ClepsByteType)
{
string errorMessage = String.Format("Array access {0} is not a byte type", i.GetText());
Status.AddError(new CompilerError(FileName, i.Start.Line, i.Start.Column, errorMessage));
//just use the first element access to avoid stalling
indexValue = CodeGenerator.CreateByte(0);
}
return indexValue;
}).ToList();
if (indexValues.Count > expressionType.Dimensions.Length)
{
string errorMessage = String.Format("Accessing more dimensions than array has. Array has {0} dimensions, but accessing {1} dimensions", expressionType.Dimensions.Length, indexValues.Count);
Status.AddError(new CompilerError(FileName, arrayIndexExpression[indexValues.Count - 1].Start.Line, arrayIndexExpression[indexValues.Count - 1].Start.Column, errorMessage));
//truncate array access to allowed access to avoid stopping the compilation
indexValues = indexValues.Take(expressionType.Dimensions.Length).ToList();
}
return indexValues;
}
public override object VisitArrayAssignment([NotNull] ClepsParser.ArrayAssignmentContext context)
{
var arrayElements = context._ArrayElements.Select(a => Visit(a) as IValue).ToList();
var elementTypes = arrayElements.Select(a => a.ExpressionType).ToList();
ClepsType arrayElementType = TypeManager.GetSuperType(elementTypes);
ClepsType arrayType = new ArrayClepsType(arrayElementType, new long[] { arrayElements.Count });
IValue arr = CodeGenerator.CreateArray(arrayType, arrayElements);
return arr;
}
public override bool NotNullObjectEquals(ClepsType obj)
{
if (obj.GetType() != typeof(ArrayClepsType))
{
return(false);
}
ArrayClepsType objToCompare = obj as ArrayClepsType;
return(BaseType == objToCompare.BaseType && Dimensions.SequenceEqual(objToCompare.Dimensions));
}
