Java Code Examples for jdk.internal.org.objectweb.asm.Type#getType()

The following examples show how to use jdk.internal.org.objectweb.asm.Type#getType() . 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: Remapper.java From jdk8u-dev-jdk with GNU General Public License v2.0

6 votes

private Type mapType(Type t) {
    switch (t.getSort()) {
    case Type.ARRAY:
        String s = mapDesc(t.getElementType().getDescriptor());
        for (int i = 0; i < t.getDimensions(); ++i) {
            s = '[' + s;
        }
        return Type.getType(s);
    case Type.OBJECT:
        s = map(t.getInternalName());
        return s != null ? Type.getObjectType(s) : t;
    case Type.METHOD:
        return Type.getMethodType(mapMethodDesc(t.getDescriptor()));
    }
    return t;
}

Example 2

Source File: Remapper.java From openjdk-jdk8u with GNU General Public License v2.0

6 votes

private Type mapType(Type t) {
    switch (t.getSort()) {
    case Type.ARRAY:
        String s = mapDesc(t.getElementType().getDescriptor());
        for (int i = 0; i < t.getDimensions(); ++i) {
            s = '[' + s;
        }
        return Type.getType(s);
    case Type.OBJECT:
        s = map(t.getInternalName());
        return s != null ? Type.getObjectType(s) : t;
    case Type.METHOD:
        return Type.getMethodType(mapMethodDesc(t.getDescriptor()));
    }
    return t;
}

Example 3

Source File: LocalVariablesSorter.java From Bytecoder with Apache License 2.0

6 votes

@Override
public AnnotationVisitor visitLocalVariableAnnotation(
        final int typeRef,
        final TypePath typePath,
        final Label[] start,
        final Label[] end,
        final int[] index,
        final String descriptor,
        final boolean visible) {
    Type type = Type.getType(descriptor);
    int[] remappedIndex = new int[index.length];
    for (int i = 0; i < remappedIndex.length; ++i) {
        remappedIndex[i] = remap(index[i], type);
    }
    return super.visitLocalVariableAnnotation(
            typeRef, typePath, start, end, remappedIndex, descriptor, visible);
}

Example 4

Source File: JavaAdapterBytecodeGenerator.java From openjdk-jdk8u-backup with GNU General Public License v2.0

6 votes

private void generateOverridingConstructorWithObjectParam(final InstructionAdapter mv, final Constructor<?> ctor, final String ctorDescriptor) {
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    final Class<?>[] argTypes = ctor.getParameterTypes();
    int offset = 1; // First arg is at position 1, after this.
    for (int i = 0; i < argTypes.length; ++i) {
        final Type argType = Type.getType(argTypes[i]);
        mv.load(offset, argType);
        offset += argType.getSize();
    }
    mv.invokespecial(superClassName, INIT, ctorDescriptor, false);
    mv.visitVarInsn(ALOAD, offset);
    mv.visitInsn(ACONST_NULL);
    mv.visitInsn(ACONST_NULL);
    mv.invokestatic(SERVICES_CLASS_TYPE_NAME, "getHandle", GET_HANDLE_OBJECT_DESCRIPTOR, false);
    endInitMethod(mv);
}

Example 5

Source File: Remapper.java From openjdk-8-source with GNU General Public License v2.0

6 votes

private Type mapType(Type t) {
    switch (t.getSort()) {
    case Type.ARRAY:
        String s = mapDesc(t.getElementType().getDescriptor());
        for (int i = 0; i < t.getDimensions(); ++i) {
            s = '[' + s;
        }
        return Type.getType(s);
    case Type.OBJECT:
        s = map(t.getInternalName());
        return s != null ? Type.getObjectType(s) : t;
    case Type.METHOD:
        return Type.getMethodType(mapMethodDesc(t.getDescriptor()));
    }
    return t;
}

Example 6

Source File: LocalVariablesSorter.java From hottub with GNU General Public License v2.0

5 votes

@Override
public AnnotationVisitor visitLocalVariableAnnotation(int typeRef,
        TypePath typePath, Label[] start, Label[] end, int[] index,
        String desc, boolean visible) {
    Type t = Type.getType(desc);
    int[] newIndex = new int[index.length];
    for (int i = 0; i < newIndex.length; ++i) {
        newIndex[i] = remap(index[i], t);
    }
    return mv.visitLocalVariableAnnotation(typeRef, typePath, start, end,
            newIndex, desc, visible);
}

Example 7

Source File: SimpleVerifier.java From jdk8u-dev-jdk with GNU General Public License v2.0

5 votes

protected Type getSuperClass(final Type t) {
    if (currentClass != null && t.equals(currentClass)) {
        return currentSuperClass;
    }
    Class<?> c = getClass(t).getSuperclass();
    return c == null ? null : Type.getType(c);
}

Example 8

Source File: SimpleVerifier.java From openjdk-8 with GNU General Public License v2.0

5 votes

protected Type getSuperClass(final Type t) {
    if (currentClass != null && t.equals(currentClass)) {
        return currentSuperClass;
    }
    Class<?> c = getClass(t).getSuperclass();
    return c == null ? null : Type.getType(c);
}

Example 9

Source File: SimpleVerifier.java From nashorn with GNU General Public License v2.0

5 votes

@Override
public BasicValue newValue(final Type type) {
    if (type == null) {
        return BasicValue.UNINITIALIZED_VALUE;
    }

    boolean isArray = type.getSort() == Type.ARRAY;
    if (isArray) {
        switch (type.getElementType().getSort()) {
            case Type.BOOLEAN:
            case Type.CHAR:
            case Type.BYTE:
            case Type.SHORT:
                return new BasicValue(type);
        }
    }

    BasicValue v = super.newValue(type);
    if (BasicValue.REFERENCE_VALUE.equals(v)) {
        if (isArray) {
            v = newValue(type.getElementType());
            String desc = v.getType().getDescriptor();
            for (int i = 0; i < type.getDimensions(); ++i) {
                desc = '[' + desc;
            }
            v = new BasicValue(Type.getType(desc));
        } else {
            v = new BasicValue(type);
        }
    }
    return v;
}

Example 10

Source File: SimpleVerifier.java From openjdk-8 with GNU General Public License v2.0

5 votes

@Override
public BasicValue newValue(final Type type) {
    if (type == null) {
        return BasicValue.UNINITIALIZED_VALUE;
    }

    boolean isArray = type.getSort() == Type.ARRAY;
    if (isArray) {
        switch (type.getElementType().getSort()) {
        case Type.BOOLEAN:
        case Type.CHAR:
        case Type.BYTE:
        case Type.SHORT:
            return new BasicValue(type);
        }
    }

    BasicValue v = super.newValue(type);
    if (BasicValue.REFERENCE_VALUE.equals(v)) {
        if (isArray) {
            v = newValue(type.getElementType());
            String desc = v.getType().getDescriptor();
            for (int i = 0; i < type.getDimensions(); ++i) {
                desc = '[' + desc;
            }
            v = new BasicValue(Type.getType(desc));
        } else {
            v = new BasicValue(type);
        }
    }
    return v;
}

Example 11

Source File: LocalVariablesSorter.java From jdk8u-jdk with GNU General Public License v2.0

5 votes

@Override
public AnnotationVisitor visitLocalVariableAnnotation(int typeRef,
        TypePath typePath, Label[] start, Label[] end, int[] index,
        String desc, boolean visible) {
    Type t = Type.getType(desc);
    int[] newIndex = new int[index.length];
    for (int i = 0; i < newIndex.length; ++i) {
        newIndex[i] = remap(index[i], t);
    }
    return mv.visitLocalVariableAnnotation(typeRef, typePath, start, end,
            newIndex, desc, visible);
}

Example 12

Source File: SimpleVerifier.java From jdk8u-jdk with GNU General Public License v2.0

5 votes

@Override
public BasicValue newValue(final Type type) {
    if (type == null) {
        return BasicValue.UNINITIALIZED_VALUE;
    }

    boolean isArray = type.getSort() == Type.ARRAY;
    if (isArray) {
        switch (type.getElementType().getSort()) {
        case Type.BOOLEAN:
        case Type.CHAR:
        case Type.BYTE:
        case Type.SHORT:
            return new BasicValue(type);
        }
    }

    BasicValue v = super.newValue(type);
    if (BasicValue.REFERENCE_VALUE.equals(v)) {
        if (isArray) {
            v = newValue(type.getElementType());
            String desc = v.getType().getDescriptor();
            for (int i = 0; i < type.getDimensions(); ++i) {
                desc = '[' + desc;
            }
            v = new BasicValue(Type.getType(desc));
        } else {
            v = new BasicValue(type);
        }
    }
    return v;
}

Example 13

Source File: SimpleVerifier.java From openjdk-jdk8u-backup with GNU General Public License v2.0

5 votes

protected Type getSuperClass(final Type t) {
    if (currentClass != null && t.equals(currentClass)) {
        return currentSuperClass;
    }
    Class<?> c = getClass(t).getSuperclass();
    return c == null ? null : Type.getType(c);
}

Example 14

Source File: LocalVariablesSorter.java From dragonwell8_jdk with GNU General Public License v2.0

5 votes

@Override
public AnnotationVisitor visitLocalVariableAnnotation(int typeRef,
        TypePath typePath, Label[] start, Label[] end, int[] index,
        String desc, boolean visible) {
    Type t = Type.getType(desc);
    int[] newIndex = new int[index.length];
    for (int i = 0; i < newIndex.length; ++i) {
        newIndex[i] = remap(index[i], t);
    }
    return mv.visitLocalVariableAnnotation(typeRef, typePath, start, end,
            newIndex, desc, visible);
}

Example 15

Source File: JavaAdapterServices.java From openjdk-jdk8u with GNU General Public License v2.0

4 votes

private static MethodHandle createNoPermissionsInvoker() {
    final String className = "NoPermissionsInvoker";

    final ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
    cw.visit(Opcodes.V1_7, ACC_PUBLIC | ACC_SUPER | ACC_FINAL, className, null, "java/lang/Object", null);
    final Type objectType = Type.getType(Object.class);
    final Type methodHandleType = Type.getType(MethodHandle.class);
    final InstructionAdapter mv = new InstructionAdapter(cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "invoke",
            Type.getMethodDescriptor(Type.VOID_TYPE, methodHandleType, objectType), null, null));
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitVarInsn(ALOAD, 1);
    mv.invokevirtual(methodHandleType.getInternalName(), "invokeExact", Type.getMethodDescriptor(
            Type.VOID_TYPE, objectType), false);
    mv.visitInsn(RETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
    cw.visitEnd();
    final byte[] bytes = cw.toByteArray();

    final ClassLoader loader = AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() {
        @Override
        public ClassLoader run() {
            return new SecureClassLoader(null) {
                @Override
                protected Class<?> findClass(final String name) throws ClassNotFoundException {
                    if(name.equals(className)) {
                        return defineClass(name, bytes, 0, bytes.length, new ProtectionDomain(
                                new CodeSource(null, (CodeSigner[])null), new Permissions()));
                    }
                    throw new ClassNotFoundException(name);
                }
            };
        }
    });

    try {
        return MethodHandles.lookup().findStatic(Class.forName(className, true, loader), "invoke",
                MethodType.methodType(void.class, MethodHandle.class, Object.class));
    } catch(final ReflectiveOperationException e) {
        throw new AssertionError(e.getMessage(), e);
    }
}

Example 16

Source File: JavaAdapterServices.java From openjdk-jdk8u-backup with GNU General Public License v2.0

4 votes

private static MethodHandle createNoPermissionsInvoker() {
    final String className = "NoPermissionsInvoker";

    final ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
    cw.visit(Opcodes.V1_7, ACC_PUBLIC | ACC_SUPER | ACC_FINAL, className, null, "java/lang/Object", null);
    final Type objectType = Type.getType(Object.class);
    final Type methodHandleType = Type.getType(MethodHandle.class);
    final InstructionAdapter mv = new InstructionAdapter(cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "invoke",
            Type.getMethodDescriptor(Type.VOID_TYPE, methodHandleType, objectType), null, null));
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitVarInsn(ALOAD, 1);
    mv.invokevirtual(methodHandleType.getInternalName(), "invokeExact", Type.getMethodDescriptor(
            Type.VOID_TYPE, objectType), false);
    mv.visitInsn(RETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
    cw.visitEnd();
    final byte[] bytes = cw.toByteArray();

    final ClassLoader loader = AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() {
        @Override
        public ClassLoader run() {
            return new SecureClassLoader(null) {
                @Override
                protected Class<?> findClass(final String name) throws ClassNotFoundException {
                    if(name.equals(className)) {
                        return defineClass(name, bytes, 0, bytes.length, new ProtectionDomain(
                                new CodeSource(null, (CodeSigner[])null), new Permissions()));
                    }
                    throw new ClassNotFoundException(name);
                }
            };
        }
    });

    try {
        return MethodHandles.lookup().findStatic(Class.forName(className, true, loader), "invoke",
                MethodType.methodType(void.class, MethodHandle.class, Object.class));
    } catch(final ReflectiveOperationException e) {
        throw new AssertionError(e.getMessage(), e);
    }
}

Example 17

Source File: JavaAdapterServices.java From jdk8u60 with GNU General Public License v2.0

4 votes

private static MethodHandle createNoPermissionsInvoker() {
    final String className = "NoPermissionsInvoker";

    final ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
    cw.visit(Opcodes.V1_7, ACC_PUBLIC | ACC_SUPER | ACC_FINAL, className, null, "java/lang/Object", null);
    final Type objectType = Type.getType(Object.class);
    final Type methodHandleType = Type.getType(MethodHandle.class);
    final InstructionAdapter mv = new InstructionAdapter(cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "invoke",
            Type.getMethodDescriptor(Type.VOID_TYPE, methodHandleType, objectType), null, null));
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitVarInsn(ALOAD, 1);
    mv.invokevirtual(methodHandleType.getInternalName(), "invokeExact", Type.getMethodDescriptor(
            Type.VOID_TYPE, objectType), false);
    mv.visitInsn(RETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
    cw.visitEnd();
    final byte[] bytes = cw.toByteArray();

    final ClassLoader loader = AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() {
        @Override
        public ClassLoader run() {
            return new SecureClassLoader(null) {
                @Override
                protected Class<?> findClass(final String name) throws ClassNotFoundException {
                    if(name.equals(className)) {
                        return defineClass(name, bytes, 0, bytes.length, new ProtectionDomain(
                                new CodeSource(null, (CodeSigner[])null), new Permissions()));
                    }
                    throw new ClassNotFoundException(name);
                }
            };
        }
    });

    try {
        return MethodHandles.lookup().findStatic(Class.forName(className, true, loader), "invoke",
                MethodType.methodType(void.class, MethodHandle.class, Object.class));
    } catch(final ReflectiveOperationException e) {
        throw new AssertionError(e.getMessage(), e);
    }
}

Example 18

Source File: JavaAdapterServices.java From openjdk-8 with GNU General Public License v2.0

4 votes

private static MethodHandle createNoPermissionsInvoker() {
    final String className = "NoPermissionsInvoker";

    final ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
    cw.visit(Opcodes.V1_7, ACC_PUBLIC | ACC_SUPER | ACC_FINAL, className, null, "java/lang/Object", null);
    final Type objectType = Type.getType(Object.class);
    final Type methodHandleType = Type.getType(MethodHandle.class);
    final InstructionAdapter mv = new InstructionAdapter(cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "invoke",
            Type.getMethodDescriptor(Type.VOID_TYPE, methodHandleType, objectType), null, null));
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitVarInsn(ALOAD, 1);
    mv.invokevirtual(methodHandleType.getInternalName(), "invokeExact", Type.getMethodDescriptor(
            Type.VOID_TYPE, objectType), false);
    mv.visitInsn(RETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
    cw.visitEnd();
    final byte[] bytes = cw.toByteArray();

    final ClassLoader loader = AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() {
        @Override
        public ClassLoader run() {
            return new SecureClassLoader(null) {
                @Override
                protected Class<?> findClass(String name) throws ClassNotFoundException {
                    if(name.equals(className)) {
                        return defineClass(name, bytes, 0, bytes.length, new ProtectionDomain(
                                new CodeSource(null, (CodeSigner[])null), new Permissions()));
                    }
                    throw new ClassNotFoundException(name);
                }
            };
        }
    });

    try {
        return MethodHandles.lookup().findStatic(Class.forName(className, true, loader), "invoke",
                MethodType.methodType(void.class, MethodHandle.class, Object.class));
    } catch(ReflectiveOperationException e) {
        throw new AssertionError(e.getMessage(), e);
    }
}

Example 19

Source File: EventClassBuilder.java From dragonwell8_jdk with GNU General Public License v2.0

4 votes

public EventClassBuilder(List<AnnotationElement> annotationElements, List<ValueDescriptor> fields) {
    this.fullClassName = "jdk.jfr.DynamicEvent" + idCounter.incrementAndGet();
    this.type = Type.getType(fullClassName.replace(".", "/"));
    this.fields = fields;
    this.annotationElements = annotationElements;
}

Example 20

Source File: SimpleVerifier.java From Bytecoder with Apache License 2.0

3 votes

/**
  * Returns the type corresponding to the super class of the given type. The default implementation
  * of this method loads the class and uses the reflection API to return its result (unless the
  * given type corresponds to the class being verified).
  *
  * @param type a type.
  * @return the type corresponding to the super class of 'type'.
  */
protected Type getSuperClass(final Type type) {
    if (currentClass != null && currentClass.equals(type)) {
        return currentSuperClass;
    }
    Class<?> superClass = getClass(type).getSuperclass();
    return superClass == null ? null : Type.getType(superClass);
}