Example usage for org.objectweb.asm Opcodes ALOAD

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

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Introduction

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

Prototype

int ALOAD

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

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Usage

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

License:Apache License

private static ClassData generateClass(Context context, UserOperator operator, ClassDescription target) {
    OperatorInput input = operator.getInput(Split.ID_INPUT);
    OperatorOutput left = operator.getOutput(Split.ID_OUTPUT_LEFT);
    OperatorOutput right = operator.getOutput(Split.ID_OUTPUT_RIGHT);

    List<PropertyMapping> mappings = Invariants
            .safe(() -> JoinedModelUtil.getPropertyMappings(context.getClassLoader(), operator));

    ClassWriter writer = newWriter(target, Object.class, Result.class);
    FieldRef leftField = defineField(writer, target, "leftBuffer", typeOf(left.getDataType()));
    FieldRef rightField = defineField(writer, target, "rightBuffer", typeOf(right.getDataType()));

    Map<OperatorOutput, FieldRef> deps = defineDependenciesConstructor(context, operator.getOutputs(), target,
            writer, method -> {// w  ww  . ja v a2 s.  c o m
                method.visitVarInsn(Opcodes.ALOAD, 0);
                getNew(method, left.getDataType());
                putField(method, leftField);
                method.visitVarInsn(Opcodes.ALOAD, 0);
                getNew(method, right.getDataType());
                putField(method, rightField);
            });

    defineResultAdd(writer, method -> {
        LocalVarRef inputVar = cast(method, 1, input.getDataType());

        method.visitVarInsn(Opcodes.ALOAD, 0);
        getField(method, leftField);
        LocalVarRef leftVar = putLocalVar(method, Type.OBJECT, 2);

        method.visitVarInsn(Opcodes.ALOAD, 0);
        getField(method, rightField);
        LocalVarRef rightVar = putLocalVar(method, Type.OBJECT, 3);

        Map<OperatorInput, ValueRef> inputs = new HashMap<>();
        Map<OperatorOutput, ValueRef> outputs = new HashMap<>();
        inputs.put(input, inputVar);
        outputs.put(left, leftVar);
        outputs.put(right, rightVar);
        mapping(method, context.getDataModelLoader(), mappings, inputs, outputs);

        method.visitVarInsn(Opcodes.ALOAD, 0);
        getField(method, deps.get(left));
        leftVar.load(method);
        invokeResultAdd(method);

        method.visitVarInsn(Opcodes.ALOAD, 0);
        getField(method, deps.get(right));
        rightVar.load(method);
        invokeResultAdd(method);
    });
    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);/* www  . j a v a2s  . com*/
        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

static ClassDescription generateMapperClass(Context context, UserOperator operator, ClassDescription outer) {
    ClassDescription target = getMapperName(outer);

    OperatorInput input = operator.getInput(Summarize.ID_INPUT);
    OperatorOutput output = operator.getOutput(Summarize.ID_OUTPUT);

    ClassWriter writer = newWriter(target, Object.class, Function.class);
    writer.visitOuterClass(outer.getInternalName(), target.getSimpleName(), null);

    FieldRef buffer = defineField(writer, target, "buffer", typeOf(output.getDataType()));
    defineEmptyConstructor(writer, Object.class, method -> {
        method.visitVarInsn(Opcodes.ALOAD, 0);
        getNew(method, output.getDataType());
        putField(method, buffer);/*from   ww w  . j ava2  s .co m*/
    });

    MethodVisitor method = writer.visitMethod(Opcodes.ACC_PUBLIC, "apply",
            Type.getMethodDescriptor(typeOf(Object.class), typeOf(Object.class)), null, null);

    LocalVarRef inputVar = cast(method, 1, input.getDataType());
    buffer.load(method);
    LocalVarRef outputVar = putLocalVar(method, Type.OBJECT, 2);

    outputVar.load(method);
    resetDataModel(method, output.getDataType());

    List<PropertyFolding> foldings = Invariants
            .safe(() -> SummarizedModelUtil.getPropertyFoldings(context.getClassLoader(), operator));
    DataModelReference inputModel = context.getDataModelLoader().load(input.getDataType());
    DataModelReference outputModel = context.getDataModelLoader().load(output.getDataType());
    Set<PropertyReference> nullChecked = new HashSet<>();
    for (PropertyFolding folding : foldings) {
        PropertyMapping mapping = folding.getMapping();
        Aggregation aggregation = folding.getAggregation();
        PropertyReference src = Invariants.requireNonNull(inputModel.findProperty(mapping.getSourceProperty()));
        PropertyReference dst = Invariants
                .requireNonNull(outputModel.findProperty(mapping.getDestinationProperty()));
        mapping(method, target, aggregation, src, dst, inputVar, outputVar, nullChecked);
    }

    outputVar.load(method);
    method.visitInsn(Opcodes.ARETURN);
    method.visitMaxs(0, 0);
    method.visitEnd();

    if (nullChecked.isEmpty() == false) {
        defineCheckNull(writer, operator, inputModel);
    }

    return context.addClassFile(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  . j  a v a  2s  .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.UpdateOperatorGenerator.java

License:Apache License

private static ClassData generateClass(Context context, UserOperator operator, ClassDescription target) {
    OperatorInput input = operator.getInput(Update.ID_INPUT);
    OperatorOutput output = operator.getOutput(Update.ID_OUTPUT);

    ClassWriter writer = newWriter(target, Object.class, Result.class);
    FieldRef impl = defineOperatorField(writer, operator, target);
    Map<OperatorProperty, FieldRef> map = defineConstructor(context, operator, target, writer, method -> {
        setOperatorField(method, operator, impl);
    });//w w w  .  j a  v a  2  s.c o  m
    defineResultAdd(writer, method -> {
        cast(method, 1, input.getDataType());
        List<ValueRef> arguments = new ArrayList<>();
        arguments.add(impl);
        arguments.add(new LocalVarRef(Opcodes.ALOAD, 1));
        appendSecondaryInputs(arguments::add, operator, map::get);
        appendArguments(arguments::add, operator, map::get);
        invoke(method, context, operator, arguments);

        method.visitVarInsn(Opcodes.ALOAD, 0);
        getField(method, map.get(output));
        method.visitVarInsn(Opcodes.ALOAD, 1);
        invokeResultAdd(method);
    });
    return new ClassData(target, writer::toByteArray);
}

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

License:Apache License

static void setOperatorField(MethodVisitor method, UserOperator operator, FieldRef field) {
    method.visitVarInsn(Opcodes.ALOAD, 0);
    AsmUtil.getNew(method, operator.getImplementationClass());
    AsmUtil.putField(method, field);/* ww w.  j ava 2 s .  c o m*/
}

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);//from  w  ww. java2 s .c om
}

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

License:Apache License

static void getGroupList(MethodVisitor method, Context context, OperatorInput input) {
    method.visitVarInsn(Opcodes.ALOAD, 1);
    getInt(method, context.getGroupIndex(input));
    method.visitMethodInsn(Opcodes.INVOKESTATIC, AsmUtil.typeOf(CoGroupOperationUtil.class).getInternalName(),
            "getList", Type.getMethodDescriptor(AsmUtil.typeOf(List.class),
                    AsmUtil.typeOf(CoGroupOperation.Input.class), Type.INT_TYPE),
            false);//from  w  w  w  . j  av a2  s.c om
}

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

License:Apache License

static void getGroupIterable(MethodVisitor method, Context context, OperatorInput input) {
    method.visitVarInsn(Opcodes.ALOAD, 1);
    getInt(method, context.getGroupIndex(input));
    method.visitMethodInsn(Opcodes.INVOKESTATIC, AsmUtil.typeOf(CoGroupOperationUtil.class).getInternalName(),
            "getIterable", Type.getMethodDescriptor(AsmUtil.typeOf(Iterable.class),
                    AsmUtil.typeOf(CoGroupOperation.Input.class), Type.INT_TYPE),
            false);//from  ww w  .  ja v a 2s . com
}

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

License:Apache License

static void defineBuildKey(ClassGeneratorContext context, ClassWriter writer, TypeDescription dataType,
        Group group) {/*from ww w  .  j  a  va2s. c o  m*/
    DataModelReference type = context.getDataModelLoader().load(dataType);
    List<PropertyReference> props = group.getGrouping().stream()
            .map(p -> Invariants.requireNonNull(type.findProperty(p))).collect(Collectors.toList());

    MethodVisitor v = writer.visitMethod(Opcodes.ACC_PUBLIC | Opcodes.ACC_FINAL, "buildKey",
            Type.getMethodDescriptor(Type.VOID_TYPE, typeOf(KeyBuffer.class), typeOf(Object.class)), null,
            null);

    LocalVarRef key = new LocalVarRef(Opcodes.ALOAD, 1);
    LocalVarRef object = cast(v, 2, dataType);
    for (PropertyReference p : props) {
        key.load(v);
        object.load(v);
        getOption(v, p);
        v.visitMethodInsn(Opcodes.INVOKEINTERFACE, typeOf(KeyBuffer.class).getInternalName(), "append",
                Type.getMethodDescriptor(typeOf(KeyBuffer.class), typeOf(Object.class)), true);
        v.visitInsn(Opcodes.POP);
    }

    v.visitInsn(Opcodes.RETURN);
    v.visitMaxs(0, 0);
    v.visitEnd();
}