Example usage for org.objectweb.asm Opcodes INVOKESTATIC

List of usage examples for org.objectweb.asm Opcodes INVOKESTATIC

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Introduction

In this page you can find the example usage for org.objectweb.asm Opcodes INVOKESTATIC.

Prototype

int INVOKESTATIC

To view the source code for org.objectweb.asm Opcodes INVOKESTATIC.

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Usage

From source file:org.apache.sling.metrics.impl.ReturnAdapter.java

License:Apache License

public void addReturnMetric(int opcode) {
    // make a copt of the top of the stack so the return value can ba passed
    // to the resource
    // Class.record(returnValue, timerName);
    if (Opcodes.DRETURN == opcode || Opcodes.LRETURN == opcode) {
        mv.visitInsn(Opcodes.DUP2);/*from  w w  w .  java  2s  .  co  m*/
    } else {
        mv.visitInsn(Opcodes.DUP);
    }
    if (helperClassName != null) {
        mv.visitLdcInsn(timerName);
        mv.visitLdcInsn(helperClassName);
        if (mark) {
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, RETURN_CAPTURE_CL, MARK_CAPTURE_USING_HELPER,
                    RETURN_METHOD_CAPTURE_DESC, false);
        } else {
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, RETURN_CAPTURE_CL, COUNT_CAPTURE_USING_HELPER,
                    RETURN_METHOD_CAPTURE_DESC, false);
        }
    } else if (keyMethodName != null) {
        mv.visitLdcInsn(timerName);
        mv.visitLdcInsn(keyMethodName);
        if (mark) {
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, RETURN_CAPTURE_CL, MARK_CAPTURE,
                    RETURN_METHOD_CAPTURE_DESC, false);
        } else {
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, RETURN_CAPTURE_CL, COUNT_CAPTURE,
                    RETURN_METHOD_CAPTURE_DESC, false);
        }
    } else {
        mv.visitLdcInsn(timerName);
        if (mark) {
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, RETURN_CAPTURE_CL, MARK_CAPTURE, RETURN_CAPTURE_DESC,
                    false);
        } else {
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, RETURN_CAPTURE_CL, COUNT_CAPTURE, RETURN_CAPTURE_DESC,
                    false);
        }
    }
}

From source file:org.apache.sling.metrics.impl.TimerAdapter.java

License:Apache License

@Override
protected void onMethodEnter() {
    mv.visitLdcInsn(timerName);/*from w w  w .ja v a2s .  co  m*/
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, METRICS_UTIL_CL, "getTimer", METRICS_UTIL_GETMETER_DESC, false);
    // store the meter.
    contextid = newLocal(Type.getType(Context.class));
    mv.visitVarInsn(Opcodes.ASTORE, contextid);
}

From source file:org.apache.sling.metrics.impl.VoidAdapter.java

License:Apache License

@Override
protected void onMethodEnter() {
    mv.visitLdcInsn(timerName);
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, METRICS_UTIL_CL, method, METRICS_UTIL_DESC, false);
}

From source file:org.boretti.drools.integration.drools5.DroolsAbstractMethodVisitor.java

License:Open Source License

private void addCondition(boolean preCondition, String type, String resourceName, Type error) {
    droolsGoalExecutionLog.getLogs()//from   w w w  . ja va  2  s.c  o m
            .add(new DroolsGoalExecutionLog(droolsGoalExecutionLog.getFileName(),
                    droolsGoalExecutionLog.getAction(), "Method instrumentalization for "
                            + ((preCondition) ? "pre" : "post") + "-condition " + name + "/" + desc));
    visitor.setMethodChange(true);
    Type types[] = Type.getArgumentTypes(super.methodDesc);
    //runPreCondition
    this.visitVarInsn(Opcodes.ALOAD, 0);
    this.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Type.getObjectType(parent).getInternalName(), "getClass",
            "()Ljava/lang/Class;");
    if (type == null)
        type = "COMPILED";
    this.visitFieldInsn(Opcodes.GETSTATIC, Type.getInternalName(DroolsServiceType.class), type,
            Type.getDescriptor(DroolsServiceType.class));
    this.visitLdcInsn(resourceName);
    this.visitLdcInsn(error);
    this.visitVarInsn(Opcodes.ALOAD, 0);
    this.visitIntInsn(Opcodes.BIPUSH, types.length);
    this.visitTypeInsn(Opcodes.ANEWARRAY, "java/lang/Object");
    int position = 1;
    for (int i = 0; i < types.length; i++) {
        this.visitInsn(Opcodes.DUP);
        this.visitIntInsn(Opcodes.BIPUSH, i);
        if (types[i].equals(Type.BOOLEAN_TYPE)) {
            this.visitVarInsn(Opcodes.ILOAD, position);
            this.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(Boolean.class), "valueOf",
                    "(Z)Ljava/lang/Boolean;");
            position += 1;
        } else if (types[i].equals(Type.BYTE_TYPE)) {
            this.visitTypeInsn(Opcodes.NEW, "java/lang/Byte");
            this.visitInsn(Opcodes.DUP);
            this.visitVarInsn(Opcodes.ILOAD, position);
            this.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Byte.class), "<init>", "(B)V");
            position += 1;
        } else if (types[i].equals(Type.CHAR_TYPE)) {
            this.visitTypeInsn(Opcodes.NEW, "java/lang/Character");
            this.visitInsn(Opcodes.DUP);
            this.visitVarInsn(Opcodes.ILOAD, position);
            this.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Character.class), "<init>",
                    "(C)V");
            position += 1;
        } else if (types[i].equals(Type.DOUBLE_TYPE)) {
            this.visitTypeInsn(Opcodes.NEW, "java/lang/Double");
            this.visitInsn(Opcodes.DUP);
            this.visitVarInsn(Opcodes.DLOAD, position);
            this.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Double.class), "<init>", "(D)V");
            position += 2;
        } else if (types[i].equals(Type.FLOAT_TYPE)) {
            this.visitTypeInsn(Opcodes.NEW, "java/lang/Float");
            this.visitInsn(Opcodes.DUP);
            this.visitVarInsn(Opcodes.FLOAD, position);
            this.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Float.class), "<init>", "(F)V");
            position += 1;
        } else if (types[i].equals(Type.INT_TYPE)) {
            this.visitTypeInsn(Opcodes.NEW, "java/lang/Integer");
            this.visitInsn(Opcodes.DUP);
            this.visitVarInsn(Opcodes.ILOAD, position);
            this.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Integer.class), "<init>", "(I)V");
            position += 1;
        } else if (types[i].equals(Type.LONG_TYPE)) {
            this.visitTypeInsn(Opcodes.NEW, "java/lang/Long");
            this.visitInsn(Opcodes.DUP);
            this.visitVarInsn(Opcodes.LLOAD, position);
            this.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Long.class), "<init>", "(J)V");
            position += 2;
        } else if (types[i].equals(Type.SHORT_TYPE)) {
            this.visitTypeInsn(Opcodes.NEW, "java/lang/Short");
            this.visitInsn(Opcodes.DUP);
            this.visitVarInsn(Opcodes.ILOAD, position);
            this.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Short.class), "<init>", "(S)V");
            position += 1;
        } else {
            this.visitVarInsn(Opcodes.ALOAD, position);
            position += 1;
        }
        this.visitInsn(Opcodes.AASTORE);
    }
    if (preCondition)
        this.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(DroolsProvider.class),
                "runPreCondition",
                "(Ljava/lang/Class;Lorg/boretti/drools/integration/drools5/DroolsServiceType;Ljava/lang/String;Ljava/lang/Class;Ljava/lang/Object;[Ljava/lang/Object;)V");
    else
        this.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(DroolsProvider.class),
                "runPostCondition",
                "(Ljava/lang/Class;Lorg/boretti/drools/integration/drools5/DroolsServiceType;Ljava/lang/String;Ljava/lang/Class;Ljava/lang/Object;[Ljava/lang/Object;)V");
}

From source file:org.boretti.drools.integration.drools5.DroolsClassVisitor.java

License:Open Source License

@Override
public void visitEnd() {
    FieldVisitor fv = null;/*from   w ww.  j a  v  a2 s  .  c om*/
    if (isNeedChangeForBoth()) {
        fv = super.visitField(Opcodes.ACC_PRIVATE, DROOLS_FIELD_NAME, Type.BOOLEAN_TYPE.getDescriptor(), null,
                null);
        if (fv != null) {
            AnnotationVisitor av = fv.visitAnnotation(Type.getType(Generated.class).getDescriptor(), true);
            AnnotationVisitor value = av.visitArray("value");
            value.visit("", "Generated by Drools5IntegrationHelper Maven plugin");
            value.visitEnd();
            av.visit("date", new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssz").format(current));
            av.visitEnd();
            fv.visitEnd();
        }
    }
    if (isNeedChangeForField()) {
        fv = super.visitField(Opcodes.ACC_PRIVATE, DROOLS_FIELD_RULE,
                Type.getType(RuleBase.class).getDescriptor(), null, null);
        if (fv != null) {
            AnnotationVisitor av = fv.visitAnnotation(Type.getType(Generated.class).getDescriptor(), true);
            AnnotationVisitor value = av.visitArray("value");
            value.visit("", "Generated by Drools5IntegrationHelper Maven plugin");
            value.visitEnd();
            av.visit("date", new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssz").format(current));
            av.visitEnd();
            fv.visitEnd();
        }
        MethodVisitor mv = super.visitMethod(Opcodes.ACC_PRIVATE, DROOLS_METHOD_RUN, "()V", null, null);
        AnnotationVisitor av = mv.visitAnnotation(Type.getType(Generated.class).getDescriptor(), true);
        AnnotationVisitor value = av.visitArray("value");
        value.visit("", "Generated by Drools5IntegrationHelper Maven plugin");
        value.visitEnd();
        av.visit("date", new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssz").format(current));
        av.visitEnd();
        mv.visitCode();
        Label start = new Label();
        mv.visitLabel(start);
        Label doIt = new Label();
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, Type.getObjectType(me).getInternalName(), DROOLS_FIELD_NAME,
                Type.BOOLEAN_TYPE.getDescriptor());
        mv.visitJumpInsn(Opcodes.IFEQ, doIt);
        mv.visitInsn(Opcodes.RETURN);
        mv.visitLabel(doIt);
        mv.visitFrame(Opcodes.F_SAME, 1, new Object[] { Type.getObjectType(me).getInternalName() }, 0,
                new Object[] {});
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, Type.getObjectType(me).getInternalName(), DROOLS_FIELD_RULE,
                Type.getType(RuleBase.class).getDescriptor());
        mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, Type.getType(RuleBase.class).getInternalName(),
                "newStatelessSession", "()Lorg/drools/StatelessSession;");
        mv.visitInsn(Opcodes.DUP);
        mv.visitLdcInsn(FIELD_NAME_LOGGER);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Type.getType(Object.class).getInternalName(), "getClass",
                "()Ljava/lang/Class;");
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getType(org.apache.log4j.Logger.class).getInternalName(),
                "getLogger", "(Ljava/lang/Class;)Lorg/apache/log4j/Logger;");
        mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, Type.getType(StatelessSession.class).getInternalName(),
                "setGlobal", "(Ljava/lang/String;Ljava/lang/Object;)V");
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, Type.getType(StatelessSession.class).getInternalName(),
                "execute", "(Ljava/lang/Object;)V");
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitInsn(Opcodes.ICONST_1);
        mv.visitFieldInsn(Opcodes.PUTFIELD, Type.getObjectType(me).getInternalName(), DROOLS_FIELD_NAME,
                Type.BOOLEAN_TYPE.getDescriptor());
        mv.visitInsn(Opcodes.RETURN);
        Label end = new Label();
        mv.visitLabel(end);
        mv.visitLocalVariable("this", Type.getObjectType(me).getDescriptor(), null, start, end, 0);
        mv.visitMaxs(4, 1);
        mv.visitEnd();
    }
    super.visitEnd();
}

From source file:org.brutusin.instrumentation.Instrumentator.java

License:Apache License

private void addGetMethodInvocation(InsnList il) {
    il.add(TreeInstructions.getPushInstruction(this.methodArguments.length));
    il.add(new TypeInsnNode(Opcodes.ANEWARRAY, "java/lang/Class"));
    int parameterClassesIndex = getFistAvailablePosition();
    il.add(new VarInsnNode(Opcodes.ASTORE, parameterClassesIndex));
    this.mn.maxLocals++;
    for (int i = 0; i < this.methodArguments.length; i++) {
        il.add(new VarInsnNode(Opcodes.ALOAD, parameterClassesIndex));
        il.add(TreeInstructions.getPushInstruction(i));
        il.add(TreeInstructions.getClassReferenceInstruction(methodArguments[i], cn.version & 0xFFFF));
        il.add(new InsnNode(Opcodes.AASTORE));
    }/*w  ww.j  a v  a  2 s . c o  m*/
    il.add(TreeInstructions.getClassConstantReference(this.classType, cn.version & 0xFFFF));
    il.add(new LdcInsnNode(this.mn.name));
    il.add(new VarInsnNode(Opcodes.ALOAD, parameterClassesIndex));
    il.add(new MethodInsnNode(Opcodes.INVOKESTATIC, "org/brutusin/instrumentation/utils/Helper", "getSource",
            "(Ljava/lang/Class;Ljava/lang/String;[Ljava/lang/Class;)Ljava/lang/Object;", false));
}

From source file:org.brutusin.instrumentation.Instrumentator.java

License:Apache License

private void addGetCallback(InsnList il) {
    il.add(new LdcInsnNode(this.callbackId));
    il.add(new MethodInsnNode(Opcodes.INVOKESTATIC, "org/brutusin/instrumentation/Callback", "getInstance",
            "(Ljava/lang/String;)Lorg/brutusin/instrumentation/Callback;", false));
}

From source file:org.brutusin.instrumentation.utils.TreeInstructions.java

License:Apache License

public static MethodInsnNode getWrapperContructionInst(Type type) {

    char charType = type.getDescriptor().charAt(0);
    String wrapper;//from   www.  j  a  va  2s.c o  m
    switch (charType) {
    case 'B':
        wrapper = "java/lang/Byte";
        break;
    case 'C':
        wrapper = "java/lang/Character";
        break;
    case 'D':
        wrapper = "java/lang/Double";
        break;
    case 'F':
        wrapper = "java/lang/Float";
        break;
    case 'I':
        wrapper = "java/lang/Integer";
        break;
    case 'J':
        wrapper = "java/lang/Long";
        break;
    case 'L':
        return null;
    case '[':
        return null;
    case 'Z':
        wrapper = "java/lang/Boolean";
        break;
    case 'S':
        wrapper = "java/lang/Short";
        break;
    default:
        throw new ClassFormatError("Invalid method signature: " + type.getDescriptor());
    }

    return new MethodInsnNode(Opcodes.INVOKESTATIC, wrapper, "valueOf", "(" + charType + ")L" + wrapper + ";",
            false);

}

From source file:org.brutusin.instrumentation.utils.TreeInstructions.java

License:Apache License

public static InsnList getClassConstantReference(Type type, int majorVersion) {
    InsnList il = new InsnList();

    if (majorVersion >= Opcodes.V1_5) {
        il.add(new LdcInsnNode(type));

    } else {/*w  ww .  j  a v a 2 s.  c  o  m*/
        String fullyQualifiedName = type.getInternalName().replaceAll("/", ".");
        il.add(new LdcInsnNode(fullyQualifiedName));
        il.add(new MethodInsnNode(Opcodes.INVOKESTATIC, "java/lang/Class", "forName",
                "(Ljava/lang/String;)Ljava/lang/Class;", false));
    }
    return il;
}

From source file:org.codehaus.groovy.reflection.MethodHandleFactory.java

License:Apache License

@Deprecated
public static void genInvokeXxxWithArray(ClassWriter cw, Method method) {
    MethodVisitor mv;//from w ww. j  a  v  a  2  s  . co  m
    mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "invoke",
            "(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;", null, EXCEPTIONS);
    mv.visitCode();

    Class callClass = method.getDeclaringClass();
    boolean useInterface = callClass.isInterface();

    String type = BytecodeHelper.getClassInternalName(callClass.getName());
    String descriptor = BytecodeHelper.getMethodDescriptor(method.getReturnType(), method.getParameterTypes());

    // make call
    if (Modifier.isStatic(method.getModifiers())) {
        genLoadParameters(2, mv, method);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, type, method.getName(), descriptor);
    } else {
        mv.visitVarInsn(Opcodes.ALOAD, 1);
        BytecodeHelper.doCast(mv, callClass);
        genLoadParameters(2, mv, method);
        mv.visitMethodInsn((useInterface) ? Opcodes.INVOKEINTERFACE : Opcodes.INVOKEVIRTUAL, type,
                method.getName(), descriptor);
    }

    BytecodeHelper.box(mv, method.getReturnType());
    if (method.getReturnType() == void.class) {
        mv.visitInsn(Opcodes.ACONST_NULL);
    }

    mv.visitInsn(Opcodes.ARETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}