Example usage for org.objectweb.asm Opcodes INVOKESPECIAL

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

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Introduction

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

Prototype

int INVOKESPECIAL

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

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Usage

From source file:com.android.tools.klint.client.api.LintDriver.java

License:Apache License

@Nullable
private static MethodInsnNode findConstructorInvocation(@NonNull MethodNode method, @NonNull String className) {
    InsnList nodes = method.instructions;
    for (int i = 0, n = nodes.size(); i < n; i++) {
        AbstractInsnNode instruction = nodes.get(i);
        if (instruction.getOpcode() == Opcodes.INVOKESPECIAL) {
            MethodInsnNode call = (MethodInsnNode) instruction;
            if (className.equals(call.owner)) {
                return call;
            }// w  w w.  j av a 2s .  c o  m
        }
    }

    return null;
}

From source file:com.android.tools.lint.checks.WrongCallDetector.java

License:Apache License

@Override
public void checkCall(@NonNull ClassContext context, @NonNull ClassNode classNode, @NonNull MethodNode method,
        @NonNull MethodInsnNode call) {/*from www .  j a va  2s.  c  o  m*/
    String name = call.name;
    // Call is only allowed if it is both only called on the super class (invoke special)
    // as well as within the same overriding method (e.g. you can't call super.onLayout
    // from the onMeasure method)
    if (call.getOpcode() != Opcodes.INVOKESPECIAL || !name.equals(method.name)) {
        String suggestion = Character.toLowerCase(name.charAt(2)) + name.substring(3);
        String message = String.format(
                "Suspicious method call; should probably call \"%1$s\" rather than \"%2$s\"", suggestion, name);
        context.report(ISSUE, method, call, context.getLocation(call), message, null);
    }
}

From source file:com.android.tools.lint.client.api.LintDriver.java

License:Apache License

@Nullable
private static MethodInsnNode findConstructorInvocation(@NonNull MethodNode method, @NonNull String className) {
    InsnList nodes = ((MethodNode) method).instructions;
    for (int i = 0, n = nodes.size(); i < n; i++) {
        AbstractInsnNode instruction = nodes.get(i);
        if (instruction.getOpcode() == Opcodes.INVOKESPECIAL) {
            MethodInsnNode call = (MethodInsnNode) instruction;
            if (className.equals(call.owner)) {
                return call;
            }//from ww  w  .j  a va  2 s.  c  o  m
        }
    }

    return null;
}

From source file:com.asakusafw.dag.compiler.builtin.FoldOperatorGenerator.java

License:Apache License

private ClassData generateClass(Context context, UserOperator operator, ClassDescription target) {
    ClassDescription combinerClass = generateCombinerClass(context, operator, target);
    ClassWriter writer = newWriter(target, CombineResult.class);
    writer.visitInnerClass(combinerClass.getInternalName(), target.getInternalName(),
            combinerClass.getSimpleName(), Opcodes.ACC_PUBLIC | Opcodes.ACC_STATIC);

    OperatorInput input = operator.getInput(Fold.ID_INPUT);
    defineDependenciesConstructor(context, operator.getOutputs(), target, writer, method -> {
        method.visitVarInsn(Opcodes.ALOAD, 0);
        getNew(method, combinerClass);// w  w  w .  ja va2  s .c  o  m
        getNew(method, input.getDataType());
        method.visitVarInsn(Opcodes.ALOAD, 1);
        method.visitMethodInsn(Opcodes.INVOKESPECIAL, typeOf(CombineResult.class).getInternalName(), "<init>",
                Type.getMethodDescriptor(Type.VOID_TYPE, typeOf(ObjectCombiner.class), typeOf(DataModel.class),
                        typeOf(Result.class)),
                false);
    }, Lang.discard());
    writer.visitEnd();

    return new ClassData(target, writer::toByteArray);
}

From source file:com.asakusafw.dag.compiler.builtin.FoldOperatorGenerator.java

License:Apache License

private ClassData generateSimpleClass(Context context, UserOperator operator, ClassDescription target) {
    TypeDescription dataType = operator.getInput(Fold.ID_INPUT).getDataType();

    ClassWriter writer = newWriter(target, SimpleCombineResult.class);
    FieldRef impl = defineOperatorField(writer, operator, target);
    FieldRef acc = defineField(writer, target, "acc", typeOf(dataType)); //$NON-NLS-1$
    Map<OperatorProperty, FieldRef> map = defineConstructor(context, operator, target, writer, method -> {
        method.visitVarInsn(Opcodes.ALOAD, 0);
        method.visitMethodInsn(Opcodes.INVOKESPECIAL,
                AsmUtil.typeOf(SimpleCombineResult.class).getInternalName(), CONSTRUCTOR_NAME,
                Type.getMethodDescriptor(Type.VOID_TYPE), false);

        setOperatorField(method, operator, impl);

        method.visitVarInsn(Opcodes.ALOAD, 0);
        getNew(method, dataType);/*  w  w w  . j  av a  2  s .  c om*/
        putField(method, acc);
    }, method -> Lang.pass());
    defineSimpleStart(operator, writer, acc);
    defineSimpleCombine(context, operator, writer, impl, acc, map);
    defineSimpleFinish(writer, acc, map.get(operator.getOutput(Fold.ID_OUTPUT)));
    return new ClassData(target, writer::toByteArray);
}

From source file:com.asakusafw.dag.compiler.builtin.MasterJoinLikeOperatorGenerator.java

License:Apache License

private ClassData genTableClass(Context context, UserOperator operator, ClassDescription target) {
    OperatorInput master = MasterJoinOperatorUtil.getMasterInput(operator);
    List<OperatorProperty> externals = getExternalProperties(operator);
    int masterIndex = externals.indexOf(master);
    Invariants.require(masterIndex >= 0);

    ClassWriter writer = newWriter(target, TableJoinResult.class);
    FieldRef impl = defineOperatorField(writer, operator, target);
    Consumer<MethodVisitor> initializer = defineExtraFields(writer, context, operator, target);
    Map<OperatorProperty, FieldRef> dependencies = defineConstructor(context, externals, target, writer,
            method -> {//from w ww  . ja  v a  2s  .  co  m
                method.visitVarInsn(Opcodes.ALOAD, 0);
                method.visitVarInsn(Opcodes.ALOAD, masterIndex + 1);
                method.visitMethodInsn(Opcodes.INVOKESPECIAL, typeOf(TableJoinResult.class).getInternalName(),
                        CONSTRUCTOR_NAME, Type.getMethodDescriptor(Type.VOID_TYPE, typeOf(DataTable.class)),
                        false);
            }, method -> {
                setOperatorField(method, operator, impl);
                initializer.accept(method);
            });
    OperatorInput transaction = MasterJoinOperatorUtil.getTransactionInput(operator);
    defineBuildKey(context, writer, transaction.getDataType(), transaction.getGroup());
    defineSelection(context, writer, operator, impl, dependencies);
    defineProcess(context, writer, operator, impl, dependencies, target);
    writer.visitEnd();
    return new ClassData(target, writer::toByteArray);
}

From source file:com.asakusafw.dag.compiler.builtin.MasterJoinLikeOperatorGenerator.java

License:Apache License

private ClassData genMergeClass(Context context, UserOperator operator, ClassDescription target) {
    OperatorInput master = MasterJoinOperatorUtil.getMasterInput(operator);
    OperatorInput transaction = MasterJoinOperatorUtil.getTransactionInput(operator);
    ClassWriter writer = newWriter(target, MergeJoinResult.class);
    FieldRef impl = defineOperatorField(writer, operator, target);
    Consumer<MethodVisitor> initializer = defineExtraFields(writer, context, operator, target);
    Map<OperatorProperty, FieldRef> dependencies = defineConstructor(context, operator, target, writer,
            method -> {/* ww w .  j  av  a 2s.c  o m*/
                method.visitVarInsn(Opcodes.ALOAD, 0);
                getInt(method, context.getGroupIndex(master));
                getInt(method, context.getGroupIndex(transaction));
                method.visitMethodInsn(Opcodes.INVOKESPECIAL, typeOf(MergeJoinResult.class).getInternalName(),
                        CONSTRUCTOR_NAME,
                        Type.getMethodDescriptor(Type.VOID_TYPE, Type.INT_TYPE, Type.INT_TYPE), false);
            }, method -> {
                setOperatorField(method, operator, impl);
                initializer.accept(method);
            });
    defineSelection(context, writer, operator, impl, dependencies);
    defineProcess(context, writer, operator, impl, dependencies, target);
    writer.visitEnd();
    return new ClassData(target, writer::toByteArray);
}

From source file:com.asakusafw.dag.compiler.builtin.SummarizeOperatorGenerator.java

License:Apache License

private static ClassData generateClass(Context context, UserOperator operator, ClassDescription target) {
    ClassDescription mapperClass = generateMapperClass(context, operator, target);
    ClassDescription combinerClass = generateCombinerClass(context, operator, target);

    ClassWriter writer = newWriter(target, CombineResult.class);
    writer.visitInnerClass(mapperClass.getInternalName(), target.getInternalName(), mapperClass.getSimpleName(),
            Opcodes.ACC_PUBLIC | Opcodes.ACC_STATIC);
    writer.visitInnerClass(combinerClass.getInternalName(), target.getInternalName(),
            combinerClass.getSimpleName(), Opcodes.ACC_PUBLIC | Opcodes.ACC_STATIC);

    OperatorOutput output = operator.getOutput(Summarize.ID_OUTPUT);
    defineDependenciesConstructor(context, operator.getOutputs(), target, writer, method -> {
        method.visitVarInsn(Opcodes.ALOAD, 0);
        getNew(method, combinerClass);/*from   www  .java  2s  . c o  m*/
        getNew(method, output.getDataType());
        method.visitVarInsn(Opcodes.ALOAD, 1);
        method.visitMethodInsn(Opcodes.INVOKESPECIAL, typeOf(CombineResult.class).getInternalName(),
                CONSTRUCTOR_NAME, Type.getMethodDescriptor(Type.VOID_TYPE, typeOf(ObjectCombiner.class),
                        typeOf(DataModel.class), typeOf(Result.class)),
                false);
    }, Lang.discard());

    return new ClassData(target, writer::toByteArray);
}

From source file:com.asakusafw.dag.compiler.builtin.SummarizeOperatorGenerator.java

License:Apache License

private static void defineCheckNull(ClassWriter writer, UserOperator operator, DataModelReference inputType) {

    MethodVisitor method = writer.visitMethod(Opcodes.ACC_PRIVATE | Opcodes.ACC_STATIC, METHOD_CHECK_NON_NULL,
            Type.getMethodDescriptor(Type.VOID_TYPE, typeOf(ValueOption.class), typeOf(Object.class),
                    typeOf(String.class)),
            null, null);/*from   w  ww  .ja  v  a 2 s.c  o  m*/

    LocalVarRef optionVar = new LocalVarRef(Opcodes.ALOAD, 0);
    LocalVarRef objectVar = new LocalVarRef(Opcodes.ALOAD, 1);
    LocalVarRef nameVar = new LocalVarRef(Opcodes.ALOAD, 2);

    // if (option.isNull()) {
    Label ifEnd = new Label();
    optionVar.load(method);
    getNullity(method, VALUE_DESC);
    method.visitJumpInsn(Opcodes.IFEQ, ifEnd);

    // new NullPointerException ...
    method.visitTypeInsn(Opcodes.NEW, typeOf(NullPointerException.class).getInternalName());
    method.visitInsn(Opcodes.DUP);

    // str = String.format("<type>.%s must not be null (in <operator>): %s", name, object)
    getConst(method,
            String.format("%s.%%s must not be null (in %s.%s): %%s", inputType.getDeclaration().getSimpleName(),
                    operator.getMethod().getDeclaringClass().getSimpleName(), operator.getMethod().getName()));

    getArray(method, typeOf(Object.class), new LocalVarRef[] { nameVar, objectVar });
    method.visitMethodInsn(Opcodes.INVOKESTATIC, typeOf(String.class).getInternalName(), "format",
            Type.getMethodDescriptor(typeOf(String.class), typeOf(String.class), typeOf(Object[].class)),
            false);

    // throw new NullPointerException(str)
    method.visitMethodInsn(Opcodes.INVOKESPECIAL, typeOf(NullPointerException.class).getInternalName(),
            CONSTRUCTOR_NAME, Type.getMethodDescriptor(Type.VOID_TYPE, typeOf(String.class)), false);

    method.visitInsn(Opcodes.ATHROW);

    method.visitLabel(ifEnd);
    // }
    method.visitInsn(Opcodes.RETURN);
    method.visitMaxs(0, 0);
    method.visitEnd();
}

From source file:com.asakusafw.dag.compiler.builtin.Util.java

License:Apache License

static Map<OperatorProperty, FieldRef> defineConstructor(Context context, Operator operator,
        ClassDescription aClass, ClassVisitor writer, Consumer<MethodVisitor> body) {
    return defineConstructor(context, operator, aClass, writer, method -> {
        method.visitVarInsn(Opcodes.ALOAD, 0);
        method.visitMethodInsn(Opcodes.INVOKESPECIAL, AsmUtil.typeOf(Object.class).getInternalName(),
                CONSTRUCTOR_NAME, Type.getMethodDescriptor(Type.VOID_TYPE), false);
    }, body);/*  w  w w. ja v a  2s.  c  o  m*/
}