Example usage for org.objectweb.asm MethodVisitor visitLdcInsn

List of usage examples for org.objectweb.asm MethodVisitor visitLdcInsn

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Introduction

In this page you can find the example usage for org.objectweb.asm MethodVisitor visitLdcInsn.

Prototype

public void visitLdcInsn(final Object value)

Source Link

Document

Visits a LDC instruction.

Usage

From source file:org.codehaus.aspectwerkz.transform.inlining.AsmHelper.java

License:Open Source License

/**
 * Adds a string and inserts null if the string is null.
 *
 * @param cv/*from w w w  . j ava 2 s.  co  m*/
 * @param value
 */
public static void addNullableString(final MethodVisitor cv, final String value) {
    if (value == null) {
        cv.visitInsn(ACONST_NULL);
    } else {
        cv.visitLdcInsn(value);
    }
}

From source file:org.codehaus.aspectwerkz.transform.inlining.compiler.AbstractJoinPointCompiler.java

License:Open Source License

/**
 * Creates the static initialization method (not clinit) for the join point.
 *//*w ww .j av a2 s .  co m*/
private void createStaticInitializer() {
    MethodVisitor cv = m_cw.visitMethod(ACC_STATIC | ACC_PUBLIC, STATIC_INITIALIZATION_METHOD_NAME,
            NO_PARAM_RETURN_VOID_SIGNATURE, null, null);

    Label tryLabel = new Label();
    cv.visitLabel(tryLabel);
    cv.visitLdcInsn(m_calleeClassName.replace('/', '.'));
    cv.visitMethodInsn(INVOKESTATIC, CLASS_CLASS, FOR_NAME_METHOD_NAME, FOR_NAME_METHOD_SIGNATURE);
    cv.visitFieldInsn(PUTSTATIC, m_joinPointClassName, TARGET_CLASS_FIELD_NAME_IN_JP, CLASS_CLASS_SIGNATURE);

    cv.visitLdcInsn(m_callerClassName.replace('/', '.'));
    cv.visitMethodInsn(INVOKESTATIC, CLASS_CLASS, FOR_NAME_METHOD_NAME, FOR_NAME_METHOD_SIGNATURE);
    cv.visitFieldInsn(PUTSTATIC, m_joinPointClassName, THIS_CLASS_FIELD_NAME_IN_JP, CLASS_CLASS_SIGNATURE);

    Label finallyLabel = new Label();
    cv.visitLabel(finallyLabel);

    Label gotoFinallyLabel = new Label();
    cv.visitJumpInsn(GOTO, gotoFinallyLabel);

    Label catchLabel = new Label();
    cv.visitLabel(catchLabel);
    cv.visitVarInsn(ASTORE, 0);

    cv.visitVarInsn(ALOAD, 0);
    cv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Throwable", "printStackTrace", "()V");

    cv.visitTypeInsn(NEW, RUNTIME_EXCEPTION_CLASS_NAME);
    cv.visitInsn(DUP);
    cv.visitLdcInsn("could not load target class using Class.forName() in generated join point base class "
            + m_joinPointClassName);

    cv.visitMethodInsn(INVOKESPECIAL, RUNTIME_EXCEPTION_CLASS_NAME, INIT_METHOD_NAME,
            RUNTIME_EXCEPTION_INIT_METHOD_SIGNATURE);

    cv.visitInsn(ATHROW);
    cv.visitLabel(gotoFinallyLabel);

    // create the enclosing static joinpoint
    createEnclosingStaticJoinPoint(cv);

    // create the metadata map
    cv.visitTypeInsn(NEW, HASH_MAP_CLASS_NAME);
    cv.visitInsn(DUP);
    cv.visitMethodInsn(INVOKESPECIAL, HASH_MAP_CLASS_NAME, INIT_METHOD_NAME, NO_PARAM_RETURN_VOID_SIGNATURE);
    cv.visitFieldInsn(PUTSTATIC, m_joinPointClassName, META_DATA_FIELD_NAME, MAP_CLASS_SIGNATURE);

    // create the Signature instance
    createSignature(cv);

    // create the static JoinPoint instance
    cv.visitTypeInsn(NEW, m_joinPointClassName);
    cv.visitInsn(DUP);
    cv.visitMethodInsn(INVOKESPECIAL, m_joinPointClassName, INIT_METHOD_NAME, NO_PARAM_RETURN_VOID_SIGNATURE);
    cv.visitFieldInsn(PUTSTATIC, m_joinPointClassName, OPTIMIZED_JOIN_POINT_INSTANCE_FIELD_NAME,
            L + m_joinPointClassName + SEMICOLON);

    // ensure aspect factories are all loaded
    for (int i = 0; i < m_aspectInfos.length; i++) {
        AspectInfo m_aspectInfo = m_aspectInfos[i];

        cv.visitLdcInsn(m_aspectInfo.getAspectFactoryClassName());
        cv.visitLdcInsn(m_aspectInfo.getAspectDefinition().getSystemDefinition().getUuid());
        cv.visitLdcInsn(m_aspectInfo.getAspectClassName());
        cv.visitLdcInsn(m_aspectInfo.getAspectQualifiedName());
        AsmHelper.loadStringConstant(cv, m_aspectInfo.getAspectDefinition().getContainerClassName());
        //TODO AVF do it once per aspect def
        StringBuffer sb = new StringBuffer();
        boolean hasOne = false;
        boolean isFirst = true;
        for (Iterator iterator = m_aspectInfo.getAspectDefinition().getParameters().entrySet()
                .iterator(); iterator.hasNext();) {
            Map.Entry entry = (Map.Entry) iterator.next();
            if (!isFirst) {
                sb.append(DELIMITER);
            }
            isFirst = false;
            hasOne = true;
            sb.append(entry.getKey()).append(DELIMITER).append(entry.getValue());
        }
        if (hasOne) {
            cv.visitLdcInsn(sb.toString());
        } else {
            cv.visitInsn(ACONST_NULL);
        }
        cv.visitFieldInsn(GETSTATIC, m_joinPointClassName, THIS_CLASS_FIELD_NAME_IN_JP, CLASS_CLASS_SIGNATURE);
        cv.visitMethodInsn(INVOKEVIRTUAL, CLASS_CLASS, GETCLASSLOADER_METHOD_NAME,
                CLASS_CLASS_GETCLASSLOADER_METHOD_SIGNATURE);
        cv.visitLdcInsn(m_aspectInfo.getDeploymentModel().toString());
        cv.visitMethodInsn(INVOKESTATIC, Type.getInternalName(AspectFactoryManager.class), "loadAspectFactory",
                "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/ClassLoader;Ljava/lang/String;)V");
    }

    // create and initialize the aspect fields
    for (int i = 0; i < m_aspectInfos.length; i++) {
        m_aspectInfos[i].getAspectModel().createAndStoreStaticAspectInstantiation(m_cw, cv, m_aspectInfos[i],
                m_joinPointClassName);
    }

    cv.visitInsn(RETURN);
    cv.visitTryCatchBlock(tryLabel, finallyLabel, catchLabel, CLASS_NOT_FOUND_EXCEPTION_CLASS_NAME);
    cv.visitMaxs(0, 0);
}

From source file:org.codehaus.aspectwerkz.transform.inlining.compiler.AbstractJoinPointCompiler.java

License:Open Source License

/**
 * Add and initialize the static field for enclosing joint point static part
 *
 * @param cv// www.  j  a v a  2 s.  co  m
 */
private void createEnclosingStaticJoinPoint(MethodVisitor cv) {
    cv.visitFieldInsn(GETSTATIC, m_joinPointClassName, THIS_CLASS_FIELD_NAME_IN_JP, CLASS_CLASS_SIGNATURE);
    cv.visitLdcInsn(m_callerMethodName);
    cv.visitLdcInsn(m_callerMethodDesc);

    cv.visitMethodInsn(INVOKESTATIC, SIGNATURE_FACTORY_CLASS, NEW_ENCLOSING_SJP_METHOD_NAME,
            NEW_ENCLOSING_SJP_METHOD_SIGNATURE);
    cv.visitFieldInsn(PUTSTATIC, m_joinPointClassName, ENCLOSING_SJP_FIELD_NAME,
            ENCLOSING_SJP_FIELD_CLASS_SIGNATURE);
}

From source file:org.codehaus.aspectwerkz.transform.inlining.compiler.AbstractJoinPointCompiler.java

License:Open Source License

/**
 * Handle the around interceptor init.//  w  w w . j  a va2 s  .c om
 *
 * @param cv
 * @param joinPointInstanceIndex
 * @param advisableIndex
 */
private void initializeAroundInterceptors(final MethodVisitor cv, final int joinPointInstanceIndex,
        final int advisableIndex) {
    cv.visitVarInsn(ALOAD, joinPointInstanceIndex);
    cv.visitVarInsn(ALOAD, advisableIndex);
    cv.visitTypeInsn(CHECKCAST, ADVISABLE_CLASS_NAME);
    cv.visitLdcInsn(new Integer(m_joinPointClassName.hashCode()));
    cv.visitMethodInsn(INVOKEINTERFACE, ADVISABLE_CLASS_NAME, GET_AROUND_ADVICE_METHOD_NAME,
            GET_AROUND_ADVICE_METHOD_SIGNATURE);
    cv.visitFieldInsn(PUTFIELD, m_joinPointClassName, AROUND_INTERCEPTORS_FIELD_NAME,
            AROUND_ADVICE_ARRAY_CLASS_SIGNATURE);

    cv.visitVarInsn(ALOAD, joinPointInstanceIndex);
    cv.visitVarInsn(ALOAD, joinPointInstanceIndex);
    cv.visitFieldInsn(GETFIELD, m_joinPointClassName, AROUND_INTERCEPTORS_FIELD_NAME,
            AROUND_ADVICE_ARRAY_CLASS_SIGNATURE);
    cv.visitInsn(ARRAYLENGTH);
    cv.visitFieldInsn(PUTFIELD, m_joinPointClassName, NR_OF_AROUND_INTERCEPTORS_FIELD_NAME, I);
}

From source file:org.codehaus.aspectwerkz.transform.inlining.compiler.AbstractJoinPointCompiler.java

License:Open Source License

/**
 * Handle the before interceptor init.//from   ww  w. java 2  s  .  c  om
 *
 * @param cv
 * @param joinPointInstanceIndex
 * @param advisableIndex
 */
private void initializeBeforeInterceptors(final MethodVisitor cv, final int joinPointInstanceIndex,
        final int advisableIndex) {
    cv.visitVarInsn(ALOAD, joinPointInstanceIndex);
    cv.visitVarInsn(ALOAD, advisableIndex);
    cv.visitTypeInsn(CHECKCAST, ADVISABLE_CLASS_NAME);
    cv.visitLdcInsn(new Integer(m_joinPointClassName.hashCode()));
    cv.visitMethodInsn(INVOKEINTERFACE, ADVISABLE_CLASS_NAME, GET_BEFORE_ADVICE_METHOD_NAME,
            GET_BEFORE_ADVICE_METHOD_SIGNATURE);
    cv.visitFieldInsn(PUTFIELD, m_joinPointClassName, BEFORE_INTERCEPTORS_FIELD_NAME,
            BEFORE_ADVICE_ARRAY_CLASS_SIGNATURE);

    cv.visitVarInsn(ALOAD, joinPointInstanceIndex);
    cv.visitVarInsn(ALOAD, joinPointInstanceIndex);
    cv.visitFieldInsn(GETFIELD, m_joinPointClassName, BEFORE_INTERCEPTORS_FIELD_NAME,
            BEFORE_ADVICE_ARRAY_CLASS_SIGNATURE);
    cv.visitInsn(ARRAYLENGTH);
    cv.visitFieldInsn(PUTFIELD, m_joinPointClassName, NR_OF_BEFORE_INTERCEPTORS_FIELD_NAME, I);
}

From source file:org.codehaus.aspectwerkz.transform.inlining.compiler.AbstractJoinPointCompiler.java

License:Open Source License

/**
 * Handle the after finally interceptor init.
 *
 * @param cv//  w  w w .java2 s . co  m
 * @param joinPointInstanceIndex
 * @param advisableIndex
 */
private void initializeAfterInterceptors(final MethodVisitor cv, final int joinPointInstanceIndex,
        final int advisableIndex) {
    cv.visitVarInsn(ALOAD, joinPointInstanceIndex);
    cv.visitVarInsn(ALOAD, advisableIndex);
    cv.visitTypeInsn(CHECKCAST, ADVISABLE_CLASS_NAME);
    cv.visitLdcInsn(new Integer(m_joinPointClassName.hashCode()));
    cv.visitMethodInsn(INVOKEINTERFACE, ADVISABLE_CLASS_NAME, GET_AFTER_ADVICE_METHOD_NAME,
            GET_AFTER_ADVICE_METHOD_SIGNATURE);
    cv.visitFieldInsn(PUTFIELD, m_joinPointClassName, AFTER_INTERCEPTORS_FIELD_NAME,
            AFTER_ADVICE_ARRAY_CLASS_SIGNATURE);

    cv.visitVarInsn(ALOAD, joinPointInstanceIndex);
    cv.visitVarInsn(ALOAD, joinPointInstanceIndex);
    cv.visitFieldInsn(GETFIELD, m_joinPointClassName, AFTER_INTERCEPTORS_FIELD_NAME,
            AFTER_ADVICE_ARRAY_CLASS_SIGNATURE);
    cv.visitInsn(ARRAYLENGTH);
    cv.visitFieldInsn(PUTFIELD, m_joinPointClassName, NR_OF_AFTER_INTERCEPTORS_FIELD_NAME, I);
}

From source file:org.codehaus.aspectwerkz.transform.inlining.compiler.AbstractJoinPointCompiler.java

License:Open Source License

/**
 * Handle the after returning interceptor init.
 *
 * @param cv//w  w  w  . ja  va2s . com
 * @param joinPointInstanceIndex
 * @param advisableIndex
 */
private void initializeAfterReturningInterceptors(final MethodVisitor cv, final int joinPointInstanceIndex,
        final int advisableIndex) {
    cv.visitVarInsn(ALOAD, joinPointInstanceIndex);
    cv.visitVarInsn(ALOAD, advisableIndex);
    cv.visitTypeInsn(CHECKCAST, ADVISABLE_CLASS_NAME);
    cv.visitLdcInsn(new Integer(m_joinPointClassName.hashCode()));
    cv.visitMethodInsn(INVOKEINTERFACE, ADVISABLE_CLASS_NAME, GET_AFTER_RETURNING_ADVICE_METHOD_NAME,
            GET_AFTER_RETURNING_ADVICE_METHOD_SIGNATURE);
    cv.visitFieldInsn(PUTFIELD, m_joinPointClassName, AFTER_RETURNING_INTERCEPTORS_FIELD_NAME,
            AFTER_RETURNING_ADVICE_ARRAY_CLASS_SIGNATURE);

    cv.visitVarInsn(ALOAD, joinPointInstanceIndex);
    cv.visitVarInsn(ALOAD, joinPointInstanceIndex);
    cv.visitFieldInsn(GETFIELD, m_joinPointClassName, AFTER_RETURNING_INTERCEPTORS_FIELD_NAME,
            AFTER_RETURNING_ADVICE_ARRAY_CLASS_SIGNATURE);
    cv.visitInsn(ARRAYLENGTH);
    cv.visitFieldInsn(PUTFIELD, m_joinPointClassName, NR_OF_AFTER_RETURNING_INTERCEPTORS_FIELD_NAME, I);
}

From source file:org.codehaus.aspectwerkz.transform.inlining.compiler.AbstractJoinPointCompiler.java

License:Open Source License

/**
 * Handle the after throwing interceptor init.
 *
 * @param cv//from www.j ava 2  s  .c o  m
 * @param joinPointInstanceIndex
 * @param advisableIndex
 */
private void initializeAfterThrowingInterceptors(final MethodVisitor cv, final int joinPointInstanceIndex,
        final int advisableIndex) {
    cv.visitVarInsn(ALOAD, joinPointInstanceIndex);
    cv.visitVarInsn(ALOAD, advisableIndex);
    cv.visitTypeInsn(CHECKCAST, ADVISABLE_CLASS_NAME);
    cv.visitLdcInsn(new Integer(m_joinPointClassName.hashCode()));
    cv.visitMethodInsn(INVOKEINTERFACE, ADVISABLE_CLASS_NAME, GET_AFTER_THROWING_ADVICE_METHOD_NAME,
            GET_AFTER_THROWING_ADVICE_METHOD_SIGNATURE);
    cv.visitFieldInsn(PUTFIELD, m_joinPointClassName, AFTER_THROWING_INTERCEPTORS_FIELD_NAME,
            AFTER_THROWING_ADVICE_ARRAY_CLASS_SIGNATURE);

    cv.visitVarInsn(ALOAD, joinPointInstanceIndex);
    cv.visitVarInsn(ALOAD, joinPointInstanceIndex);
    cv.visitFieldInsn(GETFIELD, m_joinPointClassName, AFTER_THROWING_INTERCEPTORS_FIELD_NAME,
            AFTER_THROWING_ADVICE_ARRAY_CLASS_SIGNATURE);
    cv.visitInsn(ARRAYLENGTH);
    cv.visitFieldInsn(PUTFIELD, m_joinPointClassName, NR_OF_AFTER_THROWING_INTERCEPTORS_FIELD_NAME, I);
}

From source file:org.codehaus.aspectwerkz.transform.inlining.compiler.ConstructorCallJoinPointCompiler.java

License:Open Source License

/**
 * Creates the signature for the join point.
 * <p/>//from w ww .  j av  a  2s  .  co m
 * FIXME signature field should NOT be of type Signature but of the specific type (update all refs as well)
 *
 * @param cv
 */
protected void createSignature(final MethodVisitor cv) {
    cv.visitFieldInsn(GETSTATIC, m_joinPointClassName, TARGET_CLASS_FIELD_NAME_IN_JP, CLASS_CLASS_SIGNATURE);
    cv.visitLdcInsn(new Integer(m_joinPointHash));

    cv.visitMethodInsn(INVOKESTATIC, SIGNATURE_FACTORY_CLASS, NEW_CONSTRUCTOR_SIGNATURE_METHOD_NAME,
            NEW_CONSTRUCTOR_SIGNATURE_METHOD_SIGNATURE);
    cv.visitFieldInsn(PUTSTATIC, m_joinPointClassName, SIGNATURE_FIELD_NAME,
            CONSTRUCTOR_SIGNATURE_IMPL_CLASS_SIGNATURE);
}

From source file:org.codehaus.aspectwerkz.transform.inlining.compiler.FieldGetJoinPointCompiler.java

License:Open Source License

/**
 * Creates the signature for the join point.
 * <p/>/*  w ww .  j  a v  a2 s.c o m*/
 * FIXME signature field should NOT be of type Signature but of the specific type (update all refs as well)
 *
 * @param cv
 */
protected void createSignature(final MethodVisitor cv) {
    cv.visitFieldInsn(GETSTATIC, m_joinPointClassName, TARGET_CLASS_FIELD_NAME_IN_JP, CLASS_CLASS_SIGNATURE);
    cv.visitLdcInsn(new Integer(m_joinPointHash));

    cv.visitMethodInsn(INVOKESTATIC, SIGNATURE_FACTORY_CLASS, NEW_FIELD_SIGNATURE_METHOD_NAME,
            NEW_FIELD_SIGNATURE_METHOD_SIGNATURE);
    cv.visitFieldInsn(PUTSTATIC, m_joinPointClassName, SIGNATURE_FIELD_NAME,
            FIELD_SIGNATURE_IMPL_CLASS_SIGNATURE);
}