Examples with ConditionLexer com.google.security.zynamics.binnavi.parsers.BreakpointCondition.ConditionLexer used on opensource projects

Example 1 with ConditionLexer

use of com.google.security.zynamics.binnavi.parsers.BreakpointCondition.ConditionLexer in project binnavi by google.

the class BreakpointConditionParser method parse.

/**
 * Parses a breakpoint condition string.
 *
 * @param conditionString The condition string to parse.
 *
 * @return The parsed breakpoint condition tree.
 *
 * @throws RecognitionException Thrown if the condition string could not be parsed.
 * @throws MaybeNullException Thrown if an empty condition string is passed to the function.
 */
public static ConditionNode parse(final String conditionString) throws RecognitionException, MaybeNullException {
    if (conditionString.trim().isEmpty()) {
        throw new MaybeNullException();
    }
    final CharStream charStream = new ANTLRStringStream(conditionString);
    final ConditionLexer lexer = new ConditionLexer(charStream);
    final CommonTokenStream tokens = new CommonTokenStream();
    tokens.setTokenSource(lexer);
    final ConditionParser parser = new ConditionParser(tokens);
    parser.setTreeAdaptor(adaptor);
    try {
        final ConditionParser.prog_return parserResult = parser.prog();
        final CommonTree ast = (CommonTree) parserResult.getTree();
        if (parser.input.index() < parser.input.size()) {
            throw new RecognitionException();
        }
        return convert(ast);
    } catch (final IllegalArgumentException e) {
        throw new RecognitionException();
    }
}