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    1   /***************************************************************************************
    2    * Copyright (c) Jonas BonŽr, Alexandre Vasseur. All rights reserved.                 *
    3    * http://aspectwerkz.codehaus.org                                                    *
    4    * ---------------------------------------------------------------------------------- *
    5    * The software in this package is published under the terms of the LGPL license      *
    6    * a copy of which has been included with this distribution in the license.txt file.  *
    7    **************************************************************************************/
    8   package org.codehaus.aspectwerkz.transform.inlining.compiler;
    9
    10  import org.objectweb.asm.CodeVisitor;
    11  import org.objectweb.asm.Type;
    12
    13  import org.codehaus.aspectwerkz.transform.inlining.AsmHelper;
    14
    15  /***
    16   * Redefines the existing join point class and turns it into a delegation class delegating to the newly created
    17   * replacement join point class.
    18   *
    19   * @author <a href="mailto:jboner@codehaus.org">Jonas BonŽr </a>
    20   */
    21  public class MethodExecutionJoinPointRedefiner extends MethodExecutionJoinPointCompiler {
    22
    23      /***
    24       * The redefined model.
    25       */
    26      private final CompilationInfo.Model m_redefinedModel;
    27
    28      /***
    29       * Creates a new join point compiler instance.
    30       *
    31       * @param model
    32       */
    33      MethodExecutionJoinPointRedefiner(final CompilationInfo model) {
    34          super(model.getInitialModel());
    35          m_redefinedModel = model.getRedefinedModel();
    36      }
    37
    38      /***
    39       * Creates the 'invoke' method.
    40       */
    41      protected void createInvokeMethod() {
    42          String invokeDesc = buildInvokeMethodSignature();
    43          CodeVisitor cv = m_cw.visitMethod(
    44                  ACC_PUBLIC + ACC_FINAL + ACC_STATIC,
    45                  INVOKE_METHOD_NAME,
    46                  invokeDesc,
    47                  new String[]{
    48                      THROWABLE_CLASS_NAME
    49                  },
    50                  null
    51          );
    52          AsmHelper.loadArgumentTypes(cv, Type.getArgumentTypes(invokeDesc), true);
    53          cv.visitMethodInsn(INVOKESTATIC, m_redefinedModel.getJoinPointClassName(), INVOKE_METHOD_NAME, invokeDesc);
    54          AsmHelper.addReturnStatement(cv, Type.getReturnType(invokeDesc));
    55          cv.visitMaxs(0, 0);
    56      }
    57
    58      /***
    59       * Creates the 'invoke' method.
    60       */
    61      protected void createInlinedInvokeMethod() {
    62          createInvokeMethod();
    63      }
    64  }