content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to you under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.calcite.rel.metadata.janino;
  
  import java.lang.reflect.Method;
  
  /**
   * Common functions for code generation.
   */
  class CodeGeneratorUtil {
  
    private CodeGeneratorUtil() {
    }
  
    /** Returns e.g. ",\n boolean ignoreNulls".  This ignores the first 2 arguments. */
    static StringBuilder paramList(StringBuilder buff, Method method) {
      Class<?>[] parameterTypes = method.getParameterTypes();
      for (int i = 2; i < parameterTypes.length; i++) {
        Class<?> t = parameterTypes[i];
        buff.append(",\n      ").append(t.getName()).append(" a").append(i);
      }
      return buff;
    }
  
    /** Returns e.g. ", a2, a3". This ignores the first 2 arguments. */
    static StringBuilder argList(StringBuilder buff, Method method) {
      Class<?>[] argTypes = method.getParameterTypes();
      for (int i = 2; i < argTypes.length; i++) {
        buff.append(", a").append(i);
      }
      return buff;
    }
  }
  