private void PushDedents(int untilPosition)
{
while (Indents.Peek() > untilPosition)
{
Indents.Pop();
PushOutlineToken(_grammar.Dedent, CurrentToken.Location);
}
}
public IToken <INode> PeekToken()
{
if (Store.IsNull())
{
READ_LINE_:
var line = BaseReader.LineNumber;
var ts = ReadLineTokens(BaseReader, Parser?.TokenStack.LastOrNull());
if (ts.First().Type == Symbols.EOL)
{
goto READ_LINE_;
}
Store.AddRange(ts);
if (!Store[0].EndOfToken && (Indents.Count == 0 || Store[0].Indent > Indents.Peek()))
{
Store.Insert(0, new Token {
Type = Symbols.BEGIN, LineNumber = line, Indent = Store[0].Indent
});
Indents.Push(Store[0].Indent);
}
else
{
var count = 0;
var head = Store[0];
while (Indents.Count > 0 && (head.EndOfToken || head.Indent < Indents.Peek()))
{
Store.Insert(count, new Token {
Type = Symbols.END, LineNumber = line, Indent = Indents.Pop()
});
count++;
}
}
}
READ_FIRST_:
var first = Store.First();
if (Parser is { } && first.Type == Symbols.EOL && !Parser.IsAccept(first))