addPattern(pattern);
pattern = new ProductionPattern(GrammarConstants.TOKEN_DECLARATION,
"TokenDeclaration");
alt = new ProductionPatternAlternative();
alt.addToken(GrammarConstants.IDENTIFIER, 1, 1);
alt.addToken(GrammarConstants.EQUALS, 1, 1);
alt.addProduction(GrammarConstants.TOKEN_VALUE, 1, 1);
alt.addProduction(GrammarConstants.TOKEN_HANDLING, 0, 1);
pattern.addAlternative(alt);
addPattern(pattern);