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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  import org.codehaus.aspectwerkz.transform.inlining.AsmHelper;
    13
    14  /***
    15   * Redefines the existing join point class and turns it into a delegation class delegating to the newly created
    16   * replacement join point class.
    17   *
    18   * @author <a href="mailto:jboner@codehaus.org">Jonas BonŽr </a>
    19   */
    20  public class FieldGetJoinPointRedefiner extends FieldGetJoinPointCompiler {
    21      /***
    22       * The redefined model.
    23       */
    24      private final CompilationInfo.Model m_redefinedModel;
    25
    26      /***
    27       * Creates a new join point compiler instance.
    28       *
    29       * @param model
    30       */
    31      FieldGetJoinPointRedefiner(final CompilationInfo model) {
    32          super(model.getInitialModel());
    33          m_redefinedModel = model.getRedefinedModel();
    34      }
    35
    36      /***
    37       * Creates the 'invoke' method.
    38       */
    39      protected void createInvokeMethod() {
    40          String invokeDesc = buildInvokeMethodSignature();
    41          CodeVisitor cv = m_cw.visitMethod(
    42                  ACC_PUBLIC + ACC_FINAL + ACC_STATIC,
    43                  INVOKE_METHOD_NAME,
    44                  invokeDesc,
    45                  new String[]{
    46                      THROWABLE_CLASS_NAME
    47                  },
    48                  null
    49          );
    50          AsmHelper.loadArgumentTypes(cv, Type.getArgumentTypes(invokeDesc), true);
    51          cv.visitMethodInsn(INVOKESTATIC, m_redefinedModel.getJoinPointClassName(), INVOKE_METHOD_NAME, invokeDesc);
    52          AsmHelper.addReturnStatement(cv, Type.getReturnType(invokeDesc));
    53          cv.visitMaxs(0, 0);
    54      }
    55
    56      /***
    57       * Creates the 'invoke' method.
    58       */
    59      protected void createInlinedInvokeMethod() {
    60          createInvokeMethod();
    61      }
    62  }