public void VisitArrayAssignNode(ArrayAssignStatement node)
{
node.IndexExpression.Accept(this);
node.AssignValueExpression.Accept(this);
node.IDNode.Accept(this);
TokenType exprEval = node.AssignValueExpression.EvaluationType;
Property prop = node.IDNode.Scope.GetProperty(node.IDNode.IDNode.ID);
if (node.IDNode.Scope.GetProperty(node.IDNode.IDNode.ID).GetTokenType() != TokenType.TYPE_ARRAY)
{
analyzer.notifyError(new IllegalAssignmentError(node));
}
else
{
ArrayProperty arrProp = (ArrayProperty)prop;
if (prop.DeclarationRow > node.Token.Row)
{
analyzer.notifyError(new UndeclaredVariableError(node.IDNode));
}
if (!LegitOperationChecker.isAssignCompatible(arrProp.ArrayElementType, exprEval))
{
analyzer.notifyError(new IllegalTypeError(node));
}
if (!LegitOperationChecker.CanBeAssignedTo(arrProp.ArrayElementType, exprEval))
{
analyzer.notifyError(new IllegalAssignmentError(node));
}
}
}
public void VisitArrayAccessNode(ArrayAccessNode node)
{
if (node.HasAlreadyBeenEvaluated)
{
return;
}
Property prop = node.Scope.GetProperty(node.ArrayIdNode.ID);
if (prop.GetTokenType() != TokenType.TYPE_ARRAY)
{
node.EvaluationType = TokenType.ERROR;
}
else
{
ArrayProperty arrayProp = (ArrayProperty)prop;
node.EvaluationType = arrayProp.ArrayElementType;
}
}