public SymbolTableReader(ISymbolTable symbolTable)
{
_symbolTable = symbolTable ?? throw new ArgumentNullException(nameof(symbolTable));
lock (_symbolTable)
{
_maxId = _symbolTable.MaxId;
_localSymbolsIterator = _symbolTable.IterateDeclaredSymbolNames();
}
if (!_symbolTable.IsLocal)
{
SetFlag(HAS_NAME, true);
SetFlag(HAS_VERSION, true);
}
//what is this???
if (_maxId > 0)
{
// FIXME: is this ever true?
SetFlag(HAS_MAX_ID, true);
}
_importedTables = _symbolTable.GetImportedTables().ToArray();
if (_importedTables != null && _importedTables.Length > 0)
{
SetFlag(HAS_IMPORT_LIST, true);
}
if (_symbolTable.GetImportedMaxId() < _maxId)
{
SetFlag(HAS_SYMBOL_LIST, true);
}
}
private static void AssertTable(ISymbolTable table, string name, int version, IReadOnlyList <string> symbols)
{
Assert.IsTrue(table.IsShared);
Assert.IsFalse(table.IsSystem);
Assert.IsNull(table.GetSystemTable());
Assert.IsTrue(table.IsReadOnly);
Assert.AreEqual(name, table.Name);
Assert.AreEqual(version, table.Version);
Assert.AreEqual(0, table.GetImportedMaxId());
Assert.AreEqual(symbols.Count, table.MaxId);
var foundSymbols = new HashSet <string>();
var iter = table.IterateDeclaredSymbolNames();
for (var i = 0; i < symbols.Count; i++)
{
var sid = i + 1;
var text = symbols[i];
Assert.IsTrue(iter.HasNext());
Assert.AreEqual(text, iter.Next());
var duplicate = text != null && !foundSymbols.Add(text);
SymTabUtils.AssertSymbolInTable(text, sid, duplicate, table);
}
Assert.IsFalse(iter.HasNext());
}
private static (List <string> symbolList, Dictionary <string, int> symbolMap) PrepSymbolListAndMap(
ISymbolTable priorSymtab, IEnumerable <string> symbols)
{
var sid = 1;
var symbolList = new List <string>();
var symbolMap = new Dictionary <string, int>();
if (priorSymtab != null)
{
var priorSymbols = priorSymtab.IterateDeclaredSymbolNames();
while (priorSymbols.HasNext())
{
var text = priorSymbols.Next();
if (text != null && !symbolMap.ContainsKey(text))
{
symbolMap[text] = sid;
}
symbolList.Add(text);
sid++;
}
}
foreach (var symbol in symbols)
{
// TODO What about empty symbols?
if (symbolMap.ContainsKey(symbol))
{
continue;
}
symbolMap[symbol] = sid;
symbolList.Add(symbol);
sid++;
}
return(symbolList, symbolMap);
}
