Java Code Examples for org.objectweb.asm.Opcodes#H_INVOKESTATIC

The following examples show how to use org.objectweb.asm.Opcodes#H_INVOKESTATIC . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: Handle.java    From es6draft with MIT License 6 votes vote down vote up
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();
    }
}
 
Example 2
Source File: MemberRef.java    From Mixin with MIT License 6 votes vote down vote up
@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 + ".");
    }
}
 
Example 3
Source File: CheckMethodAdapter.java    From JReFrameworker with MIT License 6 votes vote down vote up
@Override
public void visitInvokeDynamicInsn(
    final String name,
    final String descriptor,
    final Handle bootstrapMethodHandle,
    final Object... bootstrapMethodArguments) {
  checkVisitCodeCalled();
  checkVisitMaxsNotCalled();
  checkMethodIdentifier(version, name, "name");
  checkMethodDescriptor(version, descriptor);
  if (bootstrapMethodHandle.getTag() != Opcodes.H_INVOKESTATIC
      && bootstrapMethodHandle.getTag() != Opcodes.H_NEWINVOKESPECIAL) {
    throw new IllegalArgumentException("invalid handle tag " + bootstrapMethodHandle.getTag());
  }
  for (Object bootstrapMethodArgument : bootstrapMethodArguments) {
    checkLdcConstant(bootstrapMethodArgument);
  }
  super.visitInvokeDynamicInsn(name, descriptor, bootstrapMethodHandle, bootstrapMethodArguments);
  ++insnCount;
}
 
Example 4
Source File: CheckMethodAdapter.java    From JReFrameworker with MIT License 6 votes vote down vote up
@Override
public void visitInvokeDynamicInsn(
    final String name,
    final String descriptor,
    final Handle bootstrapMethodHandle,
    final Object... bootstrapMethodArguments) {
  checkVisitCodeCalled();
  checkVisitMaxsNotCalled();
  checkMethodIdentifier(version, name, "name");
  checkMethodDescriptor(version, descriptor);
  if (bootstrapMethodHandle.getTag() != Opcodes.H_INVOKESTATIC
      && bootstrapMethodHandle.getTag() != Opcodes.H_NEWINVOKESPECIAL) {
    throw new IllegalArgumentException("invalid handle tag " + bootstrapMethodHandle.getTag());
  }
  for (Object bootstrapMethodArgument : bootstrapMethodArguments) {
    checkLdcConstant(bootstrapMethodArgument);
  }
  super.visitInvokeDynamicInsn(name, descriptor, bootstrapMethodHandle, bootstrapMethodArguments);
  ++insnCount;
}
 
Example 5
Source File: JavaConstant.java    From byte-buddy with Apache License 2.0 6 votes vote down vote up
/**
 * Returns a {@code static}, {@code final} field constant.
 *
 * @param fieldDescription The field to represent a value of.
 * @return A dynamically resolved field value constant.
 */
public static Dynamic ofField(FieldDescription.InDefinedShape fieldDescription) {
    if (!fieldDescription.isStatic() || !fieldDescription.isFinal()) {
        throw new IllegalArgumentException("Field must be static and final: " + fieldDescription);
    }
    boolean selfDeclared = fieldDescription.getType().isPrimitive()
            ? fieldDescription.getType().asErasure().asBoxed().equals(fieldDescription.getType().asErasure())
            : fieldDescription.getDeclaringType().equals(fieldDescription.getType().asErasure());
    return new Dynamic(new ConstantDynamic(fieldDescription.getInternalName(),
            fieldDescription.getDescriptor(),
            new Handle(Opcodes.H_INVOKESTATIC,
                    CONSTANT_BOOTSTRAPS,
                    "getStaticFinal",
                    selfDeclared
                            ? "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/Class;)Ljava/lang/Object;"
                            : "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/Class;Ljava/lang/Class;)Ljava/lang/Object;",
                    false), selfDeclared
            ? new Object[0]
            : new Object[]{Type.getType(fieldDescription.getDeclaringType().getDescriptor())}), fieldDescription.getType().asErasure());
}
 
Example 6
Source File: DalvikStatsTool.java    From buck with Apache License 2.0 6 votes vote down vote up
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());
  }
}
 
Example 7
Source File: LambdaDesugaring.java    From bazel with Apache License 2.0 6 votes vote down vote up
/**
 * 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);
  }
}
 
Example 8
Source File: InvokedynamicShadower.java    From AVM with MIT License 6 votes vote down vote up
@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);
    }
}
 
Example 9
Source File: DynamicInvocationExpr.java    From maple-ir with GNU General Public License v3.0 6 votes vote down vote up
@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<>();
}
 
Example 10
Source File: CheckMethodAdapter.java    From Concurnas with MIT License 6 votes vote down vote up
@Override
public void visitInvokeDynamicInsn(
    final String name,
    final String descriptor,
    final Handle bootstrapMethodHandle,
    final Object... bootstrapMethodArguments) {
  checkVisitCodeCalled();
  checkVisitMaxsNotCalled();
  checkMethodIdentifier(version, name, "name");
  checkMethodDescriptor(version, descriptor);
  if (bootstrapMethodHandle.getTag() != Opcodes.H_INVOKESTATIC
      && bootstrapMethodHandle.getTag() != Opcodes.H_NEWINVOKESPECIAL) {
    throw new IllegalArgumentException("invalid handle tag " + bootstrapMethodHandle.getTag());
  }
  for (Object bootstrapMethodArgument : bootstrapMethodArguments) {
    checkLdcConstant(bootstrapMethodArgument);
  }
  super.visitInvokeDynamicInsn(name, descriptor, bootstrapMethodHandle, bootstrapMethodArguments);
  ++insnCount;
}
 
Example 11
Source File: CheckMethodAdapter.java    From JByteMod-Beta with GNU General Public License v2.0 5 votes vote down vote up
@Override
public void visitInvokeDynamicInsn(String name, String desc, Handle bsm, Object... bsmArgs) {
  checkStartCode();
  checkEndCode();
  checkMethodIdentifier(version, name, "name");
  checkMethodDesc(desc);
  if (bsm.getTag() != Opcodes.H_INVOKESTATIC && bsm.getTag() != Opcodes.H_NEWINVOKESPECIAL) {
    throw new IllegalArgumentException("invalid handle tag " + bsm.getTag());
  }
  for (int i = 0; i < bsmArgs.length; i++) {
    checkLDCConstant(bsmArgs[i]);
  }
  super.visitInvokeDynamicInsn(name, desc, bsm, bsmArgs);
  ++insnCount;
}
 
Example 12
Source File: AsmClassRemapper.java    From tiny-remapper with GNU Lesser General Public License v3.0 5 votes vote down vote up
private static boolean isJavaLambdaMetafactory(Handle bsm) {
	return bsm.getTag() == Opcodes.H_INVOKESTATIC
			&& bsm.getOwner().equals("java/lang/invoke/LambdaMetafactory")
			&& (bsm.getName().equals("metafactory")
					&& bsm.getDesc().equals("(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;")
					|| bsm.getName().equals("altMetafactory")
					&& bsm.getDesc().equals("(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;[Ljava/lang/Object;)Ljava/lang/invoke/CallSite;"))
			&& !bsm.isInterface();
}
 
Example 13
Source File: InvokeDynamicInsnNode.java    From JByteMod-Beta with GNU General Public License v2.0 5 votes vote down vote up
@SuppressWarnings("deprecation")
public InvokeDynamicInsnNode() {
  super(Opcodes.INVOKEDYNAMIC);
  name = "";
  desc = "";
  bsmArgs = new Object[] { Type.getType("()V"), new Handle(Opcodes.H_INVOKESTATIC, "", "", ""), Type.getType("(V") };
  bsm = new Handle(Opcodes.H_INVOKESTATIC, "", "", "");
}
 
Example 14
Source File: JavaConstant.java    From byte-buddy with Apache License 2.0 5 votes vote down vote up
/**
 * Resolves a var handle constant for a field.
 *
 * @param fieldDescription The field to represent a var handle for.
 * @return A dynamic constant that represents the created var handle constant.
 */
public static JavaConstant ofVarHandle(FieldDescription.InDefinedShape fieldDescription) {
    return new Dynamic(new ConstantDynamic(fieldDescription.getInternalName(),
            JavaType.VAR_HANDLE.getTypeStub().getDescriptor(),
            new Handle(Opcodes.H_INVOKESTATIC,
                    CONSTANT_BOOTSTRAPS,
                    fieldDescription.isStatic()
                            ? "staticFieldVarHandle"
                            : "fieldVarHandle",
                    "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/Class;Ljava/lang/Class;Ljava/lang/Class;)Ljava/lang/invoke/VarHandle;",
                    false),
            Type.getType(fieldDescription.getDeclaringType().getDescriptor()),
            Type.getType(fieldDescription.getType().asErasure().getDescriptor())), JavaType.VAR_HANDLE.getTypeStub());
}
 
Example 15
Source File: JavaConstant.java    From byte-buddy with Apache License 2.0 5 votes vote down vote up
/**
 * Returns a {@link Class} constant for a primitive type.
 *
 * @param typeDescription The primitive type to represent.
 * @return A dynamically resolved primitive type constant.
 */
public static JavaConstant ofPrimitiveType(TypeDescription typeDescription) {
    if (!typeDescription.isPrimitive()) {
        throw new IllegalArgumentException("Not a primitive type: " + typeDescription);
    }
    return new Dynamic(new ConstantDynamic(typeDescription.getDescriptor(),
            TypeDescription.CLASS.getDescriptor(),
            new Handle(Opcodes.H_INVOKESTATIC,
                    CONSTANT_BOOTSTRAPS,
                    "primitiveClass",
                    "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/Class;)Ljava/lang/Class;",
                    false)), TypeDescription.CLASS);
}
 
Example 16
Source File: JavaConstant.java    From byte-buddy with Apache License 2.0 4 votes vote down vote up
/**
 * Represents a constant that is resolved by invoking a {@code static} factory method or a constructor.
 *
 * @param methodDescription The method or constructor to invoke to create the represented constant value.
 * @param constants         The constant values passed to the bootstrap method. Values can be represented either
 *                          as {@link TypeDescription}, as {@link JavaConstant}, as {@link String} or a primitive
 *                          {@code int}, {@code long}, {@code float} or {@code double} represented as wrapper type.
 * @return A dynamic constant that is resolved by the supplied factory method or constructor.
 */
public static Dynamic ofInvocation(MethodDescription.InDefinedShape methodDescription, List<?> constants) {
    if (!methodDescription.isConstructor() && methodDescription.getReturnType().represents(void.class)) {
        throw new IllegalArgumentException("Bootstrap method is no constructor or non-void static factory: " + methodDescription);
    } else if (methodDescription.getParameters().size() + (methodDescription.isStatic() || methodDescription.isConstructor() ? 0 : 1) != constants.size()) {
        throw new IllegalArgumentException("Cannot assign " + constants + " to " + methodDescription);
    }
    List<Object> arguments = new ArrayList<Object>(constants.size());
    arguments.add(new Handle(methodDescription.isConstructor() ? Opcodes.H_NEWINVOKESPECIAL : Opcodes.H_INVOKESTATIC,
            methodDescription.getDeclaringType().getInternalName(),
            methodDescription.getInternalName(),
            methodDescription.getDescriptor(),
            false));
    Iterator<TypeDescription> iterator = (methodDescription.isStatic() || methodDescription.isConstructor()
            ? methodDescription.getParameters().asTypeList().asErasures()
            : CompoundList.of(methodDescription.getDeclaringType(), methodDescription.getParameters().asTypeList().asErasures())).iterator();
    for (Object constant : constants) {
        TypeDescription typeDescription;
        if (constant instanceof JavaConstant) {
            arguments.add(((JavaConstant) constant).asConstantPoolValue());
            typeDescription = ((JavaConstant) constant).getType();
        } else if (constant instanceof TypeDescription) {
            arguments.add(Type.getType(((TypeDescription) constant).getDescriptor()));
            typeDescription = TypeDescription.CLASS;
        } else {
            arguments.add(constant);
            typeDescription = TypeDescription.ForLoadedType.of(constant.getClass()).asUnboxed();
            if (JavaType.METHOD_TYPE.isInstance(constant) || JavaType.METHOD_HANDLE.isInstance(constant)) {
                throw new IllegalArgumentException("Must be represented as a JavaConstant instance: " + constant);
            } else if (constant instanceof Class<?>) {
                throw new IllegalArgumentException("Must be represented as a TypeDescription instance: " + constant);
            } else if (!typeDescription.isCompileTimeConstant()) {
                throw new IllegalArgumentException("Not a compile-time constant: " + constant);
            }
        }
        if (!typeDescription.isAssignableTo(iterator.next())) {
            throw new IllegalArgumentException("Cannot assign " + constants + " to " + methodDescription);
        }
    }
    return new Dynamic(new ConstantDynamic("invoke",
            (methodDescription.isConstructor()
                    ? methodDescription.getDeclaringType()
                    : methodDescription.getReturnType().asErasure()).getDescriptor(),
            new Handle(Opcodes.H_INVOKESTATIC,
                    CONSTANT_BOOTSTRAPS,
                    "invoke",
                    "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/Class;Ljava/lang/invoke/MethodHandle;[Ljava/lang/Object;)Ljava/lang/Object;",
                    false),
            arguments.toArray()), methodDescription.isConstructor() ? methodDescription.getDeclaringType() : methodDescription.getReturnType().asErasure());
}
 
Example 17
Source File: Textifier.java    From Concurnas with MIT License 4 votes vote down vote up
/**
 * 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");
  }
}
 
Example 18
Source File: Textifier.java    From JReFrameworker with MIT License 4 votes vote down vote up
/**
 * 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");
  }
}
 
Example 19
Source File: JDynamicInvokeExpr.java    From JAADAS with GNU General Public License v3.0 4 votes vote down vote up
public JDynamicInvokeExpr(SootMethodRef bootstrapMethodRef, List<? extends Value> bootstrapArgs, SootMethodRef methodRef, List<? extends Value> methodArgs){
	/*
	 * Here the static-handle is chosen as default value, because this works for Java. 
	 */
	this(bootstrapMethodRef, bootstrapArgs, methodRef, Opcodes.H_INVOKESTATIC, methodArgs);
}
 
Example 20
Source File: Textifier.java    From JByteMod-Beta with GNU General Public License v2.0 4 votes vote down vote up
/**
 * 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");
  }
}