| public Parse ( int startRuleIndex ) : ParserRuleContext | ||
| startRuleIndex | int | |
| return | ParserRuleContext | |
/// <summary>
/// For repeated use of a tree pattern, compile it to a
/// <see cref="ParseTreePattern"/>
/// using this method.
/// </summary>
public virtual ParseTreePattern Compile(string pattern, int patternRuleIndex)
{
IList<IToken> tokenList = Tokenize(pattern);
ListTokenSource tokenSrc = new ListTokenSource(tokenList);
CommonTokenStream tokens = new CommonTokenStream(tokenSrc);
ParserInterpreter parserInterp = new ParserInterpreter(parser.GrammarFileName, Arrays.AsList(parser.TokenNames), Arrays.AsList(parser.RuleNames), parser.GetATNWithBypassAlts(), tokens);
IParseTree tree = null;
try
{
parserInterp.ErrorHandler = new BailErrorStrategy();
tree = parserInterp.Parse(patternRuleIndex);
}
catch (ParseCanceledException e)
{
// System.out.println("pattern tree = "+tree.toStringTree(parserInterp));
throw (RecognitionException)e.InnerException;
}
catch (RecognitionException)
{
throw;
}
catch (Exception e)
{
throw new ParseTreePatternMatcher.CannotInvokeStartRule(e);
}
// Make sure tree pattern compilation checks for a complete parse
if (tokens.La(1) != TokenConstants.Eof)
{
throw new ParseTreePatternMatcher.StartRuleDoesNotConsumeFullPattern();
}
return new ParseTreePattern(this, pattern, patternRuleIndex, tree);
}
