public void CheckSemantics(Scope scope, Report report, TypeInfo start)
{
foreach (var item in Children)
{
IndexerNode index = item as IndexerNode;
if (index != null)
{//...[x]
if (start.declaration == null || !(start.declaration is ArrayDecNode))
{
//Si la declaracion no existe o no es un array
report.Add(Line, CharPositionInLine, string.Format("Can't apply an indexer to {0}", start.name));
returnType = scope.FindType("error");
return;
}
index.CheckSemantics(scope, report, start.declaration as ArrayDecNode);
if (index.returnType != null && !index.returnType.isInt)
{
report.Add(Line, CharPositionInLine, string.Format("Index value must be int, got {0}", index.returnType));
returnType = scope.FindType("error");
return;
}
start = (start.declaration as ArrayDecNode).itemsTypeInfo;
}
else
{
DotNode dotNode = item as DotNode;
if (dotNode != null)
{
if (start.declaration == null && !(start.declaration is RecordDecNode))
{
report.Add(Line, CharPositionInLine, string.Format("Only can access to a field of a record"));
returnType = scope.FindType("error");
return;
}
dotNode.CheckSemantics(scope, report, start.declaration as RecordDecNode);
if (dotNode.returnType != null && dotNode.returnType.isError)
{
returnType = scope.FindType("error");
return;
}
start = dotNode.fieldType;
}
}
}
returnType = start; //TOOD esto es un parche
lastType = start;
}
public IndexerNode(IndexerNode n) : base(n)
{
}