internal static void AssertSymbolInTable(string text, int sid, bool duplicate, ISymbolTable symbolTable)
{
if (text == null)
{
Assert.IsNull(symbolTable.FindKnownSymbol(sid));
return;
}
if (sid != SymbolToken.UnknownSid)
{
Assert.AreEqual(text, symbolTable.FindKnownSymbol(sid));
}
if (duplicate)
{
return;
}
Assert.AreEqual(sid, symbolTable.FindSymbolId(text));
var token = symbolTable.Find(text);
Assert.AreEqual(SymbolToken.UnknownSid, token.Sid);
Assert.AreEqual(text, token.Text);
token = symbolTable.Intern(text);
Assert.AreEqual(SymbolToken.UnknownSid, token.Sid);
Assert.AreEqual(text, token.Text);
}
public override void AddTypeAnnotation(string annotation)
{
var symtok = _symbolTable.Find(annotation);
if (symtok == default)
{
symtok = new SymbolToken(annotation, SymbolToken.UnknownSid);
}
_annotations.Add(symtok);
}
/// <summary>
/// Try to re-make the token in the context of the <paramref name="table"/>.
/// </summary>
/// <param name="table">Symbol table</param>
/// <param name="token">Un-localized token</param>
/// <returns>Localized token</returns>
public static SymbolToken Localize(ISymbolTable table, SymbolToken token)
{
var newToken = token;
//try to localize
if (token.Text == null)
{
var text = table.FindKnownSymbol(token.Sid);
if (text != null)
{
newToken = new SymbolToken(text, token.Sid);
}
}
else
{
newToken = table.Find(token.Text);
if (newToken == default)
{
newToken = new SymbolToken(token.Text, SymbolToken.UnknownSid);
}
}
return(newToken);
}
