content: /*
   * Copyright (C) 2008 The Android Open Source Project
   *
   * Licensed 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 com.android.tools.layoutlib.create;
  
  import com.android.tools.layoutlib.annotations.VisibleForTesting;
  import com.android.tools.layoutlib.annotations.VisibleForTesting.Visibility;
  
  import org.objectweb.asm.AnnotationVisitor;
  import org.objectweb.asm.Attribute;
  import org.objectweb.asm.ClassVisitor;
  import org.objectweb.asm.FieldVisitor;
  import org.objectweb.asm.MethodVisitor;
  import org.objectweb.asm.Opcodes;
  
  /**
   * Indicates if a class contains any native methods.
   */
  public class ClassHasNativeVisitor extends ClassVisitor {
      public ClassHasNativeVisitor() {
          super(Main.ASM_VERSION);
      }
  
      private boolean mHasNativeMethods = false;
  
      public boolean hasNativeMethods() {
          return mHasNativeMethods;
      }
  
      @VisibleForTesting(visibility=Visibility.PRIVATE)
      protected void setHasNativeMethods(boolean hasNativeMethods, String methodName) {
          mHasNativeMethods = hasNativeMethods;
      }
  
      @Override
      public void visit(int version, int access, String name, String signature,
              String superName, String[] interfaces) {
          // pass
      }
  
      @Override
      public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
          // pass
          return null;
      }
  
      @Override
      public void visitAttribute(Attribute attr) {
          // pass
      }
  
      @Override
      public void visitEnd() {
          // pass
      }
  
      @Override
      public FieldVisitor visitField(int access, String name, String desc,
              String signature, Object value) {
          // pass
          return null;
      }
  
      @Override
      public void visitInnerClass(String name, String outerName,
              String innerName, int access) {
          // pass
      }
  
      @Override
      public MethodVisitor visitMethod(int access, String name, String desc,
              String signature, String[] exceptions) {
          if ((access & Opcodes.ACC_NATIVE) != 0) {
              setHasNativeMethods(true, name);
          }
          return null;
      }
  
      @Override
      public void visitOuterClass(String owner, String name, String desc) {
          // pass
      }
  
      @Override
      public void visitSource(String source, String debug) {
          // pass
      }
  
  }
  