public class DatatypesParser {

  public static void main(String[] args) {

    ASTParser parser = ASTParser.newParser(AST.JLS4);

    Map options = JavaCore.getOptions();

    JavaCore.setComplianceOptions(JavaCore.VERSION_1_7, options);

    String statement = new String("int i = " + Long.MAX_VALUE + ";");

    parser.setSource(statement.toCharArray());
    parser.setKind(ASTParser.K_STATEMENTS);
    parser.setResolveBindings(true);
    parser.setBindingsRecovery(true);

    ASTNode ast = parser.createAST(null);

    ast.accept(new ASTVisitor() {
      @Override
      public boolean visit(VariableDeclarationStatement node) {
        CodeSnippetParsingUtil util = new CodeSnippetParsingUtil();

        return true;
      }
    });
}