/// <summary>
/// Parses the given token source using the specified grammar, starting with
/// expression with the given name.
/// </summary>
/// <param name="expressionType">The type of the expression to start parsing.</param>
/// <param name="tokenSource">The source of tokens.</param>
public MatchResult Parse(string expressionType, ITokenSource tokenSource)
{
if (tokenSource == null)
{
throw new ArgumentNullException("tokenSource");
}
Expression expression = grammar.Expression(expressionType);
ParseAttempt attempt = new ParseAttempt(this, tokenSource);
MatchResult result = expression.Match(attempt, String.Empty);
return(result);
}
/// <summary>
/// Parses the given token source using the specified grammar, starting with
/// expression with the given name.
/// </summary>
/// <param name="expressionType">The type of the expression to start parsing.</param>
/// <param name="tokenSource">The source of tokens.</param>
public MatchResult Parse(string expressionType, ITokenSource tokenSource)
{
if (tokenSource == null)
{
throw new ArgumentNullException("tokenSource");
}
Expression expression = grammar.Expression(expressionType);
ParseAttempt attempt = new ParseAttempt(this, tokenSource);
MatchResult result = expression.Match(attempt, String.Empty);
// check that there are no trailing tokens
if (result.IsMatch && attempt.GetToken() != null)
{
result.IsMatch = false;
}
return(result);
}