Example usage for org.objectweb.asm.tree InsnList add

List of usage examples for org.objectweb.asm.tree InsnList add

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Introduction

In this page you can find the example usage for org.objectweb.asm.tree InsnList add.

Prototype

public void add(final InsnList insnList)

Source Link

Document

Adds the given instructions to the end of this list.

Usage

From source file:com.navercorp.pinpoint.profiler.instrument.ASMMethodNodeAdapter.java

License:Apache License

public void addBeforeInterceptor(final int interceptorId, final InterceptorDefinition interceptorDefinition,
        final int apiId) {
    initInterceptorLocalVariables(interceptorId, interceptorDefinition, apiId);

    final InsnList instructions = new InsnList();
    this.methodVariables.loadInterceptorLocalVariables(instructions, interceptorDefinition, false);

    final String description = Type.getMethodDescriptor(interceptorDefinition.getBeforeMethod());
    instructions.add(new MethodInsnNode(Opcodes.INVOKEINTERFACE,
            Type.getInternalName(interceptorDefinition.getInterceptorBaseClass()), "before", description,
            true));//from w  w  w  .  j  a v  a  2 s .c  o  m
    this.methodNode.instructions.insertBefore(this.methodVariables.getEnterInsnNode(), instructions);
}

From source file:com.navercorp.pinpoint.profiler.instrument.ASMMethodNodeAdapter.java

License:Apache License

private void invokeAfterInterceptor(final InsnList instructions,
        final InterceptorDefinition interceptorDefinition, final boolean throwable) {
    this.methodVariables.loadInterceptorLocalVariables(instructions, interceptorDefinition, true);
    final String description = Type.getMethodDescriptor(interceptorDefinition.getAfterMethod());
    instructions.add(new MethodInsnNode(Opcodes.INVOKEINTERFACE,
            Type.getInternalName(interceptorDefinition.getInterceptorBaseClass()), "after", description, true));
}

From source file:com.navercorp.pinpoint.profiler.instrument.ASMMethodVariables.java

License:Apache License

private void initInterceptorVar(final InsnList instructions, final int interceptorId) {
    assertInitializedInterceptorLocalVariables();
    this.interceptorVarIndex = addLocalVariable("_$PINPOINT$_interceptor",
            "Lcom/navercorp/pinpoint/bootstrap/interceptor/Interceptor;");
    push(instructions, interceptorId);/*from ww w .  j a v a2  s .co  m*/
    instructions.add(new MethodInsnNode(Opcodes.INVOKESTATIC, Type.getInternalName(InterceptorRegistry.class),
            "getInterceptor", "(I)" + Type.getDescriptor(Interceptor.class), false));
    storeVar(instructions, this.interceptorVarIndex);
    this.resultVarIndex = addLocalVariable("_$PINPOINT$_result", "Ljava/lang/Object;");
    loadNull(instructions);
    storeVar(instructions, this.resultVarIndex);
    this.throwableVarIndex = addLocalVariable("_$PINPOINT$_throwable", "Ljava/lang/Throwable;");
    loadNull(instructions);
    storeVar(instructions, this.throwableVarIndex);
}

From source file:com.navercorp.pinpoint.profiler.instrument.ASMMethodVariables.java

License:Apache License

public void loadInterceptorLocalVariables(final InsnList instructions,
        final InterceptorDefinition interceptorDefinition, final boolean after) {
    assertInitializedInterceptorLocalVariables();
    loadVar(instructions, this.interceptorVarIndex);
    instructions.add(new TypeInsnNode(Opcodes.CHECKCAST,
            Type.getInternalName(interceptorDefinition.getInterceptorBaseClass())));

    // target(this) object.
    loadThis(instructions);//from   ww  w  .  j  a  va 2s .c  om

    final InterceptorType interceptorType = interceptorDefinition.getInterceptorType();
    if (interceptorType == InterceptorType.ARRAY_ARGS) {
        // Object target, Object[] args
        loadVar(instructions, this.argsVarIndex);
    } else if (interceptorType == InterceptorType.STATIC) {
        // Object target, String declaringClassInternalName, String methodName, String parameterDescription, Object[] args
        loadVar(instructions, this.classNameVarIndex);
        loadVar(instructions, this.methodNameVarIndex);
        loadVar(instructions, this.parameterDescriptionVarIndex);
        loadVar(instructions, this.argsVarIndex);
    } else if (interceptorType == InterceptorType.API_ID_AWARE) {
        // Object target, int apiId, Object[] args
        loadInt(instructions, this.apiIdVarIndex);
        loadVar(instructions, this.argsVarIndex);
    } else if (interceptorType == InterceptorType.BASIC) {
        int interceptorMethodParameterCount = getInterceptorParameterCount(interceptorDefinition);
        int argumentCount = Math.min(this.argumentTypes.length, interceptorMethodParameterCount);
        int i = 1;
        for (; i <= argumentCount; i++) {
            // Object target, Object arg0, Object arg1, Object arg2, Object arg3, Object arg4
            if (i == 1)
                loadVar(instructions, this.arg0VarIndex);
            else if (i == 2)
                loadVar(instructions, this.arg1VarIndex);
            else if (i == 3)
                loadVar(instructions, this.arg2VarIndex);
            else if (i == 4)
                loadVar(instructions, this.arg3VarIndex);
            else if (i == 5)
                loadVar(instructions, this.arg4VarIndex);
            else
                loadNull(instructions);
        }

        for (; i <= interceptorMethodParameterCount; i++) {
            loadNull(instructions);
        }
    }

    if (after) {
        loadVar(instructions, this.resultVarIndex);
        loadVar(instructions, this.throwableVarIndex);
    }
}

From source file:com.navercorp.pinpoint.profiler.instrument.ASMMethodVariables.java

License:Apache License

public void loadInterceptorThrowVar(final InsnList instructions) {
    assertInitializedInterceptorLocalVariables();
    loadVar(instructions, this.throwableVarIndex);
    instructions.add(new InsnNode(Opcodes.ATHROW));
}

From source file:com.navercorp.pinpoint.profiler.instrument.ASMMethodVariables.java

License:Apache License

void storeVar(final InsnList instructions, final int index) {
    instructions.add(new VarInsnNode(Opcodes.ASTORE, index));
}

From source file:com.navercorp.pinpoint.profiler.instrument.ASMMethodVariables.java

License:Apache License

void storeInt(final InsnList instructions, final int index) {
    instructions.add(new VarInsnNode(Opcodes.ISTORE, index));
}

From source file:com.navercorp.pinpoint.profiler.instrument.ASMMethodVariables.java

License:Apache License

void loadNull(final InsnList instructions) {
    instructions.add(new InsnNode(Opcodes.ACONST_NULL));
}

From source file:com.navercorp.pinpoint.profiler.instrument.ASMMethodVariables.java

License:Apache License

void loadVar(final InsnList instructions, final int index) {
    instructions.add(new VarInsnNode(Opcodes.ALOAD, index));
}

From source file:com.navercorp.pinpoint.profiler.instrument.ASMMethodVariables.java

License:Apache License

void loadInt(final InsnList instructions, final int index) {
    instructions.add(new VarInsnNode(Opcodes.ILOAD, index));
}