org.objectweb.asm.Opcodes# H_INVOKEVIRTUAL 源码实例Demo

下面列出了org.objectweb.asm.Opcodes# H_INVOKEVIRTUAL 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： maple-ir 文件： DynamicInvocationExpr.java


@Override
public Set<MethodNode> resolveTargets(InvocationResolver res) {
	// this is probably like 99% of all the invokedynamics
	if (bootstrapMethod.getOwner().equals("java/lang/invoke/LambdaMetafactory") 
			&& bootstrapMethod.getName().equals("metafactory")) {
		assert (bootstrapArgs.length == 3 && bootstrapArgs[1] instanceof Handle);
		Handle boundFunc = (Handle) bootstrapArgs[1];
		switch (boundFunc.getTag()) {
		case Opcodes.H_INVOKESTATIC:
			return StaticInvocationExpr.resolveStaticCall(res, boundFunc.getOwner(), boundFunc.getName(), boundFunc.getDesc());
		case Opcodes.H_INVOKESPECIAL:
			assert(boundFunc.getName().equals("<init>"));
			return VirtualInvocationExpr.resolveSpecialInvocation(res, boundFunc.getOwner(), boundFunc.getDesc());
		case Opcodes.H_INVOKEINTERFACE:
		case Opcodes.H_INVOKEVIRTUAL:
			return VirtualInvocationExpr.resolveVirtualInvocation(res, boundFunc.getOwner(), boundFunc.getOwner(), boundFunc.getDesc());
		default:
			throw new IllegalArgumentException("Unexpected metafactory bootstrap tag?? " + boundFunc.getTag());
		}
	}
	return new HashSet<>();
}

源代码2 项目： AVM 文件： InvokedynamicShadower.java


@Override
public void visitInvokeDynamicInsn(String origMethodName, String methodDescriptor, Handle bootstrapMethodHandle, Object... bootstrapMethodArguments) {
    String methodOwner = bootstrapMethodHandle.getOwner();
    if (isStringConcatIndy(methodOwner, origMethodName)) {
        handleStringConcatIndy(origMethodName, methodDescriptor, bootstrapMethodHandle, bootstrapMethodArguments);
    } else if (isLambdaIndy(methodOwner)) {
        // AKI-130: The bootstrap methodDescriptor to this metafactory must NOT require additional arguments (since that would require dynamic class generation for each callsite - potential attack vector).
        if (!methodDescriptor.startsWith("()")) {
            throw RejectedClassException.invokeDynamicBootstrapMethodArguments(methodDescriptor);
        }
        // This is really just a specialization of the above call to check the return type (this would need to be changed if we accepted arguments).
        if (!RUNNABLE_DESCRIPTOR.equals(methodDescriptor) && !FUNCTION_DESCRIPTOR.equals(methodDescriptor)) {
            throw RejectedClassException.invokeDynamicLambdaType(methodDescriptor);
        }
        if (bootstrapMethodHandle.getTag() != Opcodes.H_INVOKEVIRTUAL && bootstrapMethodHandle.getTag() != Opcodes.H_INVOKESTATIC
                && bootstrapMethodHandle.getTag() != Opcodes.H_NEWINVOKESPECIAL && bootstrapMethodHandle.getTag() != Opcodes.H_INVOKEINTERFACE) {
            throw RejectedClassException.invokeDynamicHandleType(bootstrapMethodHandle.getTag(), methodDescriptor);
        }

        handleLambdaIndy(origMethodName, methodDescriptor, bootstrapMethodHandle, bootstrapMethodArguments);
    } else {
        throw RejectedClassException.invokeDynamicUnsupportedMethodOwner(origMethodName, methodOwner);
    }
}

源代码3 项目： Mixin 文件： MemberRef.java


@Override
public boolean isField() {
    switch (this.handle.getTag()) {
        case Opcodes.H_INVOKEVIRTUAL:
        case Opcodes.H_INVOKESTATIC:
        case Opcodes.H_INVOKEINTERFACE:
        case Opcodes.H_INVOKESPECIAL:
        case Opcodes.H_NEWINVOKESPECIAL:
            return false;
        case Opcodes.H_GETFIELD:
        case Opcodes.H_GETSTATIC:
        case Opcodes.H_PUTFIELD:
        case Opcodes.H_PUTSTATIC:
            return true;
        default:
            throw new MixinTransformerError("Invalid tag " + this.handle.getTag() + " for method handle " + this.handle + ".");
    }
}

源代码4 项目： pitest 文件： BigIntegerMutator.java


/**
 * Mutates a handle within an invoke virtual.
 */
private Handle mutateHandle(Handle handle) {
  int opcode = handle.getTag();
  String owner = handle.getOwner();
  String name = handle.getName();
  String descriptor = handle.getDesc();

  if (owner.equals(expectedOwner) && opcode == Opcodes.H_INVOKEVIRTUAL) {
    if (REPLACEMENTS.containsKey(name)) {
      Replacement replacement = REPLACEMENTS.get(name);
      if (replacement.descriptor.equals(descriptor)) {
        MutationIdentifier id = context.registerMutation(factory, replacement.toString());
        if (context.shouldMutate(id)) {
          return new Handle(
              opcode,
              owner,
              replacement.destinationName,
              descriptor,
              handle.isInterface());
        }
      }
    }
  }
  return handle;
}

源代码5 项目： bazel 文件： LambdaDesugaring.java


/**
 * Produces a {@link MethodHandle} using either the context or {@link #targetLoader} class
 * loader, depending on {@code target}.
 */
private MethodHandle toMethodHandle(Lookup lookup, Handle asmHandle, boolean target)
    throws ReflectiveOperationException {
  Class<?> owner = loadFromInternal(asmHandle.getOwner());
  MethodType signature =
      MethodType.fromMethodDescriptorString(
          asmHandle.getDesc(),
          target ? targetLoader : Thread.currentThread().getContextClassLoader());
  switch (asmHandle.getTag()) {
    case Opcodes.H_INVOKESTATIC:
      return lookup.findStatic(owner, asmHandle.getName(), signature);
    case Opcodes.H_INVOKEVIRTUAL:
    case Opcodes.H_INVOKEINTERFACE:
      return lookup.findVirtual(owner, asmHandle.getName(), signature);
    case Opcodes.H_INVOKESPECIAL: // we end up calling these using invokevirtual
      return lookup.findSpecial(owner, asmHandle.getName(), signature, owner);
    case Opcodes.H_NEWINVOKESPECIAL:
      return lookup.findConstructor(owner, signature);
    default:
      throw new UnsupportedOperationException("Cannot resolve " + asmHandle);
  }
}

源代码6 项目： es6draft 文件： Handle.java


private static int toTag(MethodName method) {
    switch (method.invoke) {
    case Interface:
        return Opcodes.H_INVOKEINTERFACE;
    case Special:
    case SpecialInterface:
        return Opcodes.H_INVOKESPECIAL;
    case Static:
    case StaticInterface:
        return Opcodes.H_INVOKESTATIC;
    case Virtual:
    case VirtualInterface:
        return Opcodes.H_INVOKEVIRTUAL;
    default:
        throw new AssertionError();
    }
}

源代码7 项目： buck 文件： DalvikStatsTool.java


private void registerMethodHandleType(Handle handle) {
  switch (handle.getTag()) {
    case Opcodes.H_GETFIELD:
    case Opcodes.H_GETSTATIC:
    case Opcodes.H_PUTFIELD:
    case Opcodes.H_PUTSTATIC:
      visitFieldInsn(Opcodes.GETFIELD, handle.getOwner(), handle.getName(), handle.getDesc());
      break;
    case Opcodes.H_INVOKEVIRTUAL:
    case Opcodes.H_INVOKEINTERFACE:
    case Opcodes.H_INVOKESPECIAL:
    case Opcodes.H_INVOKESTATIC:
    case Opcodes.H_NEWINVOKESPECIAL:
      visitMethodInsn(
          Opcodes.H_INVOKEVIRTUAL,
          handle.getOwner(),
          handle.getName(),
          handle.getDesc(),
          false);
      createAdditionalMethodsForDesugar(handle);
      break;
    default:
      throw new IllegalStateException(
          "MethodHandle tag is not supported: " + handle.getTag());
  }
}

源代码8 项目： presto 文件： LambdaBytecodeGenerator.java


private static CompiledLambda defineLambdaMethod(
        RowExpressionCompiler innerExpressionCompiler,
        ClassDefinition classDefinition,
        String methodName,
        List<Parameter> inputParameters,
        LambdaDefinitionExpression lambda)
{
    checkCondition(inputParameters.size() <= 254, NOT_SUPPORTED, "Too many arguments for lambda expression");
    Class<?> returnType = Primitives.wrap(lambda.getBody().getType().getJavaType());
    MethodDefinition method = classDefinition.declareMethod(a(PUBLIC), methodName, type(returnType), inputParameters);

    Scope scope = method.getScope();
    Variable wasNull = scope.declareVariable(boolean.class, "wasNull");
    BytecodeNode compiledBody = innerExpressionCompiler.compile(lambda.getBody(), scope);
    method.getBody()
            .putVariable(wasNull, false)
            .append(compiledBody)
            .append(boxPrimitiveIfNecessary(scope, returnType))
            .ret(returnType);

    Handle lambdaAsmHandle = new Handle(
            Opcodes.H_INVOKEVIRTUAL,
            method.getThis().getType().getClassName(),
            method.getName(),
            method.getMethodDescriptor(),
            false);

    return new CompiledLambda(
            lambdaAsmHandle,
            method.getReturnType(),
            method.getParameterTypes());
}

源代码9 项目： bazel 文件： LambdaClassFixer.java


@Override
public void visitMethodInsn(int opcode, String owner, String name, String desc, boolean itf) {
  if (!name.equals(lambdaInfo.methodReference().getName())
      || !desc.equals(lambdaInfo.methodReference().getDesc())) {
    super.visitMethodInsn(opcode, owner, name, desc, itf);
    return;
  }

  boolean useBridgeMethod = false;
  if (owner.equals(lambdaInfo.methodReference().getOwner())) {
    if (lambdaInfo.methodReference().getTag() == Opcodes.H_NEWINVOKESPECIAL
        && lambdaInfo.bridgeMethod().getTag() != Opcodes.H_NEWINVOKESPECIAL) {
      // We're changing a constructor call to a factory method call, so we unfortunately need
      // to go find the NEW/DUP pair preceding the constructor call and remove it
      removeLastAllocation();
    }
    useBridgeMethod = true;
  } else if ((lambdaInfo.methodReference().getTag() == Opcodes.H_INVOKEVIRTUAL
          || lambdaInfo.methodReference().getTag() == Opcodes.H_INVOKESPECIAL)
      && hasAssignableRelation(owner, lambdaInfo.methodReference().getOwner())) {
    // For rewriting instance methods calls, we consider the class hierarchy.
    // This is for JDK 9: (b/62218600).
    // TODO(cnsun): revisit this to make sure Desugar is fully compatible with this change
    // in JDK: http://hg.openjdk.java.net/jdk9/dev/jdk/rev/a3b3c7b6464d
    useBridgeMethod = true;
  }
  if (useBridgeMethod) {
    super.visitMethodInsn(
        LambdaDesugaring.invokeOpcode(lambdaInfo.bridgeMethod()),
        lambdaInfo.bridgeMethod().getOwner(),
        lambdaInfo.bridgeMethod().getName(),
        lambdaInfo.bridgeMethod().getDesc(),
        lambdaInfo.bridgeMethod().isInterface());
  } else {
    super.visitMethodInsn(opcode, owner, name, desc, itf);
  }
}

源代码10 项目： bazel 文件： LambdaDesugaring.java


static int invokeOpcode(Handle invokedMethod) {
  switch (invokedMethod.getTag()) {
    case Opcodes.H_INVOKESTATIC:
      return Opcodes.INVOKESTATIC;
    case Opcodes.H_INVOKEVIRTUAL:
      return Opcodes.INVOKEVIRTUAL;
    case Opcodes.H_INVOKESPECIAL:
    case Opcodes.H_NEWINVOKESPECIAL: // Must be preceded by NEW
      return Opcodes.INVOKESPECIAL;
    case Opcodes.H_INVOKEINTERFACE:
      return Opcodes.INVOKEINTERFACE;
    default:
      throw new UnsupportedOperationException("Don't know how to call " + invokedMethod);
  }
}

源代码11 项目： buck 文件： DalvikStatsTool.java


private void createAdditionalMethodsForDesugar(Handle handle) {
  visitMethodInsn(
      Opcodes.INVOKEVIRTUAL,
      "-$$Lambda$" + handle.getOwner(),
      "lambda$constructor$" + handle.getName(),
      handle.getDesc(),
      false);
  visitMethodInsn(
      Opcodes.INVOKEVIRTUAL,
      "-$$Lambda$" + handle.getOwner(),
      "lambda$original$" + handle.getName(),
      handle.getDesc(),
      false);
  visitMethodInsn(
      Opcodes.INVOKEVIRTUAL,
      "-$$Lambda$" + handle.getOwner(),
      "lambda$bridge$" + handle.getName(),
      handle.getDesc(),
      false);
  if (!(handle.getTag() == Opcodes.H_INVOKEVIRTUAL
      || handle.getTag() == Opcodes.H_INVOKEINTERFACE)) {
    visitMethodInsn(
        Opcodes.INVOKESTATIC,
        "-$$Lambda$" + handle.getOwner(),
        "lambda$forwarding$" + handle.getName(),
        handle.getDesc(),
        false);
  }
}

源代码12 项目： Concurnas 文件： Textifier.java


/**
 * Appends a string representation of the given handle to {@link #stringBuilder}.
 *
 * @param handle a handle.
 */
protected void appendHandle(final Handle handle) {
  int tag = handle.getTag();
  stringBuilder.append("// handle kind 0x").append(Integer.toHexString(tag)).append(" : ");
  boolean isMethodHandle = false;
  switch (tag) {
    case Opcodes.H_GETFIELD:
      stringBuilder.append("GETFIELD");
      break;
    case Opcodes.H_GETSTATIC:
      stringBuilder.append("GETSTATIC");
      break;
    case Opcodes.H_PUTFIELD:
      stringBuilder.append("PUTFIELD");
      break;
    case Opcodes.H_PUTSTATIC:
      stringBuilder.append("PUTSTATIC");
      break;
    case Opcodes.H_INVOKEINTERFACE:
      stringBuilder.append("INVOKEINTERFACE");
      isMethodHandle = true;
      break;
    case Opcodes.H_INVOKESPECIAL:
      stringBuilder.append("INVOKESPECIAL");
      isMethodHandle = true;
      break;
    case Opcodes.H_INVOKESTATIC:
      stringBuilder.append("INVOKESTATIC");
      isMethodHandle = true;
      break;
    case Opcodes.H_INVOKEVIRTUAL:
      stringBuilder.append("INVOKEVIRTUAL");
      isMethodHandle = true;
      break;
    case Opcodes.H_NEWINVOKESPECIAL:
      stringBuilder.append("NEWINVOKESPECIAL");
      isMethodHandle = true;
      break;
    default:
      throw new IllegalArgumentException();
  }
  stringBuilder.append('\n');
  stringBuilder.append(tab3);
  appendDescriptor(INTERNAL_NAME, handle.getOwner());
  stringBuilder.append('.');
  stringBuilder.append(handle.getName());
  if (!isMethodHandle) {
    stringBuilder.append('(');
  }
  appendDescriptor(HANDLE_DESCRIPTOR, handle.getDesc());
  if (!isMethodHandle) {
    stringBuilder.append(')');
  }
  if (handle.isInterface()) {
    stringBuilder.append(" itf");
  }
}

源代码13 项目： JByteMod-Beta 文件： Textifier.java


/**
 * Appends the information about the given handle to {@link #buf buf}.
 *
 * @param h
 *          a handle, non null.
 */
protected void appendHandle(final Handle h) {
  int tag = h.getTag();
  buf.append("// handle kind 0x").append(Integer.toHexString(tag)).append(" : ");
  boolean isMethodHandle = false;
  switch (tag) {
  case Opcodes.H_GETFIELD:
    buf.append("GETFIELD");
    break;
  case Opcodes.H_GETSTATIC:
    buf.append("GETSTATIC");
    break;
  case Opcodes.H_PUTFIELD:
    buf.append("PUTFIELD");
    break;
  case Opcodes.H_PUTSTATIC:
    buf.append("PUTSTATIC");
    break;
  case Opcodes.H_INVOKEINTERFACE:
    buf.append("INVOKEINTERFACE");
    isMethodHandle = true;
    break;
  case Opcodes.H_INVOKESPECIAL:
    buf.append("INVOKESPECIAL");
    isMethodHandle = true;
    break;
  case Opcodes.H_INVOKESTATIC:
    buf.append("INVOKESTATIC");
    isMethodHandle = true;
    break;
  case Opcodes.H_INVOKEVIRTUAL:
    buf.append("INVOKEVIRTUAL");
    isMethodHandle = true;
    break;
  case Opcodes.H_NEWINVOKESPECIAL:
    buf.append("NEWINVOKESPECIAL");
    isMethodHandle = true;
    break;
  }
  buf.append('\n');
  buf.append(tab3);
  appendDescriptor(INTERNAL_NAME, h.getOwner());
  buf.append('.');
  buf.append(h.getName());
  if (!isMethodHandle) {
    buf.append('(');
  }
  appendDescriptor(HANDLE_DESCRIPTOR, h.getDesc());
  if (!isMethodHandle) {
    buf.append(')');
  }
  if (h.isInterface()) {
    buf.append(" itf");
  }
}

源代码14 项目： JReFrameworker 文件： Textifier.java


/**
 * Appends a string representation of the given handle to {@link #stringBuilder}.
 *
 * @param handle a handle.
 */
protected void appendHandle(final Handle handle) {
  int tag = handle.getTag();
  stringBuilder.append("// handle kind 0x").append(Integer.toHexString(tag)).append(" : ");
  boolean isMethodHandle = false;
  switch (tag) {
    case Opcodes.H_GETFIELD:
      stringBuilder.append("GETFIELD");
      break;
    case Opcodes.H_GETSTATIC:
      stringBuilder.append("GETSTATIC");
      break;
    case Opcodes.H_PUTFIELD:
      stringBuilder.append("PUTFIELD");
      break;
    case Opcodes.H_PUTSTATIC:
      stringBuilder.append("PUTSTATIC");
      break;
    case Opcodes.H_INVOKEINTERFACE:
      stringBuilder.append("INVOKEINTERFACE");
      isMethodHandle = true;
      break;
    case Opcodes.H_INVOKESPECIAL:
      stringBuilder.append("INVOKESPECIAL");
      isMethodHandle = true;
      break;
    case Opcodes.H_INVOKESTATIC:
      stringBuilder.append("INVOKESTATIC");
      isMethodHandle = true;
      break;
    case Opcodes.H_INVOKEVIRTUAL:
      stringBuilder.append("INVOKEVIRTUAL");
      isMethodHandle = true;
      break;
    case Opcodes.H_NEWINVOKESPECIAL:
      stringBuilder.append("NEWINVOKESPECIAL");
      isMethodHandle = true;
      break;
    default:
      throw new IllegalArgumentException();
  }
  stringBuilder.append('\n');
  stringBuilder.append(tab3);
  appendDescriptor(INTERNAL_NAME, handle.getOwner());
  stringBuilder.append('.');
  stringBuilder.append(handle.getName());
  if (!isMethodHandle) {
    stringBuilder.append('(');
  }
  appendDescriptor(HANDLE_DESCRIPTOR, handle.getDesc());
  if (!isMethodHandle) {
    stringBuilder.append(')');
  }
  if (handle.isInterface()) {
    stringBuilder.append(" itf");
  }
}

源代码15 项目： JReFrameworker 文件： Textifier.java


/**
 * Appends a string representation of the given handle to {@link #stringBuilder}.
 *
 * @param handle a handle.
 */
protected void appendHandle(final Handle handle) {
  int tag = handle.getTag();
  stringBuilder.append("// handle kind 0x").append(Integer.toHexString(tag)).append(" : ");
  boolean isMethodHandle = false;
  switch (tag) {
    case Opcodes.H_GETFIELD:
      stringBuilder.append("GETFIELD");
      break;
    case Opcodes.H_GETSTATIC:
      stringBuilder.append("GETSTATIC");
      break;
    case Opcodes.H_PUTFIELD:
      stringBuilder.append("PUTFIELD");
      break;
    case Opcodes.H_PUTSTATIC:
      stringBuilder.append("PUTSTATIC");
      break;
    case Opcodes.H_INVOKEINTERFACE:
      stringBuilder.append("INVOKEINTERFACE");
      isMethodHandle = true;
      break;
    case Opcodes.H_INVOKESPECIAL:
      stringBuilder.append("INVOKESPECIAL");
      isMethodHandle = true;
      break;
    case Opcodes.H_INVOKESTATIC:
      stringBuilder.append("INVOKESTATIC");
      isMethodHandle = true;
      break;
    case Opcodes.H_INVOKEVIRTUAL:
      stringBuilder.append("INVOKEVIRTUAL");
      isMethodHandle = true;
      break;
    case Opcodes.H_NEWINVOKESPECIAL:
      stringBuilder.append("NEWINVOKESPECIAL");
      isMethodHandle = true;
      break;
    default:
      throw new IllegalArgumentException();
  }
  stringBuilder.append('\n');
  stringBuilder.append(tab3);
  appendDescriptor(INTERNAL_NAME, handle.getOwner());
  stringBuilder.append('.');
  stringBuilder.append(handle.getName());
  if (!isMethodHandle) {
    stringBuilder.append('(');
  }
  appendDescriptor(HANDLE_DESCRIPTOR, handle.getDesc());
  if (!isMethodHandle) {
    stringBuilder.append(')');
  }
  if (handle.isInterface()) {
    stringBuilder.append(" itf");
  }
}

方法所在类

org.objectweb.asm.Opcodes