public override void Match(Tokenizer toknizer, out Token token)
{
var parser = toknizer.GoldParser;
var location = toknizer.Location;
var nextSymbol = parser.ReadToken();
while (nextSymbol.SymbolType == SymbolType.WhiteSpace || nextSymbol.Index == (int)TokenType.NewLine)
nextSymbol = parser.ReadToken();
if (nextSymbol.Index != (int)TokenType.LeftCurly)
{
token = new Token(Grammar.SyntaxError, location, parser.TokenText, "Expecting '{'");
return;
}
var startPosition = parser.CharPosition;
bool rightCurlyFound = false;
int length = 0;
for (int i = parser.CharPosition; i < parser.TextBuffer.Length; i++, length++)
{
if (parser.TextBuffer[i] == '}')
{
rightCurlyFound = true;
break;
}
}
if (!rightCurlyFound)
{
token = new Token(Grammar.SyntaxError, location, parser.TokenText, "Closing '}' not found");
return;
}
token = new Token(this, location, parser.TextBuffer.Substring(startPosition, length), null);
// Move the parser
parser.MoveBy(length+1);
}
public abstract void Match(Tokenizer toknizer, out Token token);
/// <summary>
/// Initializes a new instance of the <see cref="CustomScanner"/> class.
/// </summary>
/// <param name="tokenizer">The tokenizer.</param>
public CustomScanner(Tokenizer tokenizer)
{
this.tokenizer = tokenizer;
}