Example usage for org.objectweb.asm Opcodes ALOAD

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.codegen.CoGroupInputAdapterGenerator.java

License:Apache License

/**
 * Generates {@link ExtractInputAdapter} class.
 * @param context the current context/* w w  w .java2  s  .  c o m*/
 * @param inputs the target output ports
 * @param target the target class
 * @return the generated class data
 */
public ClassData generate(ClassGeneratorContext context, List<Spec> inputs, ClassDescription target) {
    ClassWriter writer = AsmUtil.newWriter(target, CoGroupInputAdapter.class);
    defineAdapterConstructor(writer, CoGroupInputAdapter.class, v -> {
        for (Spec spec : inputs) {
            ClassDescription supplier = SupplierGenerator.get(context, spec.dataType);
            v.visitVarInsn(Opcodes.ALOAD, 0);
            getConst(v, spec.id);
            getConst(v, typeOf(supplier));
            getEnumConstant(v, spec.bufferType);
            v.visitMethodInsn(Opcodes.INVOKEVIRTUAL, target.getInternalName(), "bind", //$NON-NLS-1$
                    Type.getMethodDescriptor(typeOf(CoGroupInputAdapter.class), typeOf(String.class),
                            typeOf(Class.class), typeOf(CoGroupInputAdapter.BufferType.class)),
                    false);
            v.visitInsn(Opcodes.POP);
        }
    });
    return new ClassData(target, writer::toByteArray);
}

---

From source file:com.asakusafw.dag.compiler.codegen.DataComparatorGenerator.java

License:Apache License

private static void defineCompare(ClassWriter writer, DataModelReference reference,
        List<Group.Ordering> orderings) {
    MethodVisitor v = writer.visitMethod(Opcodes.ACC_PUBLIC, "compare", DESC_COMPARE, null,
            new String[] { typeOf(IOException.class).getInternalName(), });
    LocalVarRef a = new LocalVarRef(Opcodes.ALOAD, 1);
    LocalVarRef b = new LocalVarRef(Opcodes.ALOAD, 2);
    for (Group.Ordering ordering : orderings) {
        PropertyReference property = Invariants
                .requireNonNull(reference.findProperty(ordering.getPropertyName()));

        // int diff = ValueOptionSerDe.compareT({a, b}, {b, a});
        switch (ordering.getDirection()) {
        case ASCENDANT:
            a.load(v);//from w w w  .  j a  v  a  2  s.  co  m
            b.load(v);
            break;
        case DESCENDANT:
            b.load(v);
            a.load(v);
            break;
        default:
            throw new AssertionError(ordering);
        }
        v.visitMethodInsn(Opcodes.INVOKESTATIC, typeOf(ValueOptionSerDe.class).getInternalName(),
                Invariants.requireNonNull(METHOD_NAMES.get(property.getType())), DESC_COMPARE, false);
        LocalVarRef cmp = putLocalVar(v, Type.INT, 3);
        Label eq = new Label();

        // if (diff != 0) {
        cmp.load(v);
        v.visitJumpInsn(Opcodes.IFEQ, eq);

        // return diff;
        cmp.load(v);
        v.visitInsn(Opcodes.IRETURN);

        // } @ eq
        v.visitLabel(eq);
    }
    getConst(v, 0);
    v.visitInsn(Opcodes.IRETURN);
    v.visitMaxs(0, 0);
    v.visitEnd();
}

---

From source file:com.asakusafw.dag.compiler.codegen.EdgeDataTableAdapterGenerator.java

License:Apache License

/**
 * Generates {@link EdgeDataTableAdapter} class.
 * @param context the current context//from  w ww.  j  av  a  2  s  .  co m
 * @param specs the target output ports
 * @param target the target class
 * @return the generated class data
 */
public ClassData generate(ClassGeneratorContext context, List<Spec> specs, ClassDescription target) {
    ClassWriter writer = AsmUtil.newWriter(target, EdgeDataTableAdapter.class);
    defineAdapterConstructor(writer, EdgeDataTableAdapter.class, v -> {
        LocalVarRef self = new LocalVarRef(Opcodes.ALOAD, 0);
        int index = 0;
        for (Spec spec : specs) {
            ClassDescription keyBuilder;
            if (spec.group.getGrouping().isEmpty()) {
                keyBuilder = null;
            } else {
                keyBuilder = generateKeyBuilder(context, spec, qualify(target, "k", index));
            }
            ClassDescription copier = ObjectCopierGenerator.get(context, spec.dataType);
            ClassDescription comparator = toComparatorClass(context, spec);
            TypeDescription[] keyElementTypes = toKeyElementTypes(context, spec);
            self.load(v);
            getConst(v, spec.tableId);
            getConst(v, spec.inputId);
            getConst(v, keyBuilder);
            getConst(v, copier);
            getConst(v, comparator);
            getArray(v, typeOf(Class.class), keyElementTypes);
            v.visitMethodInsn(Opcodes.INVOKEVIRTUAL, target.getInternalName(), "bind",
                    Type.getMethodDescriptor(typeOf(EdgeDataTableAdapter.class), typeOf(String.class),
                            typeOf(String.class), typeOf(Class.class), typeOf(Class.class), typeOf(Class.class),
                            typeOf(Class[].class)),
                    false);
            v.visitInsn(Opcodes.POP);
            index++;
        }
    });
    return new ClassData(target, writer::toByteArray);
}

---

From source file:com.asakusafw.dag.compiler.codegen.EdgeDataTableAdapterGenerator.java

License:Apache License

private static void defineBuildKey(ClassGeneratorContext context, ClassWriter writer, TypeDescription dataType,
        Group group) {//from   ww  w . ja v a  2  s . 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();
}

---

From source file:com.asakusafw.dag.compiler.codegen.EdgeOutputAdapterGenerator.java

License:Apache License

/**
 * Generates {@link EdgeOutputAdapter} class.
 * @param context the current context/*from w  w w  .ja  va  2s.c  o  m*/
 * @param specs the target output ports
 * @param target the target class
 * @return the generated class data
 */
public ClassData generate(ClassGeneratorContext context, List<Spec> specs, ClassDescription target) {
    ClassWriter writer = AsmUtil.newWriter(target, EdgeOutputAdapter.class);
    defineAdapterConstructor(writer, EdgeOutputAdapter.class, v -> {
        for (Spec spec : specs) {
            v.visitVarInsn(Opcodes.ALOAD, 0);
            getConst(v, spec.id);
            getConst(v, spec.mapper);
            getConst(v, spec.copier);
            getConst(v, spec.combiner);
            v.visitMethodInsn(Opcodes.INVOKEVIRTUAL, target.getInternalName(), "bind",
                    Type.getMethodDescriptor(typeOf(EdgeOutputAdapter.class), typeOf(String.class),
                            typeOf(Class.class), typeOf(Class.class), typeOf(Class.class)),
                    false);
            v.visitInsn(Opcodes.POP);
        }
    });
    return new ClassData(target, writer::toByteArray);
}

---

From source file:com.asakusafw.dag.compiler.codegen.ExtractAdapterGenerator.java

License:Apache License

/**
 * Generates the class./* ww w  .  jav a 2  s  . co  m*/
 * @param successor the successor
 * @param target the target class
 * @return the generated class
 */
public ClassData generate(VertexElement successor, ClassDescription target) {
    Arguments.require(successor.getRuntimeType().equals(RESULT_TYPE));
    ClassWriter writer = newWriter(target, Object.class, Result.class);
    List<Tuple<VertexElement, FieldRef>> pairs = defineDependenciesConstructor(target, writer,
            Arrays.asList(successor), Lang.discard());
    Invariants.require(pairs.size() == 1);
    defineResultAdd(writer, method -> {
        pairs.get(0).right().load(method);
        method.visitVarInsn(Opcodes.ALOAD, 1);
        method.visitTypeInsn(Opcodes.CHECKCAST, typeOf(ExtractOperation.Input.class).getInternalName());
        method.visitMethodInsn(Opcodes.INVOKEINTERFACE, typeOf(ExtractOperation.Input.class).getInternalName(),
                "getObject", Type.getMethodDescriptor(typeOf(Object.class)), true);
        invokeResultAdd(method);
    });
    return new ClassData(target, writer::toByteArray);
}

---

From source file:com.asakusafw.dag.compiler.codegen.ExtractInputAdapterGenerator.java

License:Apache License

/**
 * Generates {@link ExtractInputAdapter} class.
 * @param context the current context/*from  w w w. j  a v a 2 s  .  com*/
 * @param input the target input spec
 * @param target the target class
 * @return the generated class data
 */
public ClassData generate(ClassGeneratorContext context, Spec input, ClassDescription target) {
    ClassWriter writer = newWriter(target, ExtractInputAdapter.class);
    defineAdapterConstructor(writer, ExtractInputAdapter.class, v -> {
        v.visitVarInsn(Opcodes.ALOAD, 0);
        getConst(v, input.id);
        v.visitMethodInsn(Opcodes.INVOKEVIRTUAL, target.getInternalName(), "bind", //$NON-NLS-1$
                Type.getMethodDescriptor(typeOf(ExtractInputAdapter.class), typeOf(String.class)), false);
        v.visitInsn(Opcodes.POP);
    });
    return new ClassData(target, writer::toByteArray);
}

---

From source file:com.asakusafw.dag.compiler.codegen.KeyValueSerDeGenerator.java

License:Apache License

private static ClassData generate0(DataModelReference reference, Group grouping, ClassDescription target) {
    List<PropertyReference> keys = Lang.project(grouping.getGrouping(),
            n -> Invariants.requireNonNull(reference.findProperty(n)));
    List<PropertyReference> values = collectValues(reference, grouping);
    ClassWriter writer = newWriter(target, Object.class, KeyValueSerDe.class);
    FieldRef buffer = defineField(writer, target, "buffer", typeOf(reference));
    defineEmptyConstructor(writer, Object.class, v -> {
        v.visitVarInsn(Opcodes.ALOAD, 0);
        getNew(v, reference.getDeclaration());
        putField(v, buffer);//from   w  w  w  . j ava 2  s .  com
    });
    putSerialize("serializeKey", reference, keys, writer);
    putSerialize("serializeValue", reference, values, writer);
    putDeserialize(reference, keys, values, buffer, writer);
    return new ClassData(target, writer::toByteArray);
}

---

From source file:com.asakusafw.dag.compiler.codegen.KeyValueSerDeGenerator.java

License:Apache License

private static void putSerialize(String methodName, DataModelReference reference,
        List<PropertyReference> properties, ClassWriter writer) {
    MethodVisitor v = writer.visitMethod(Opcodes.ACC_PUBLIC, methodName,
            Type.getMethodDescriptor(Type.VOID_TYPE, typeOf(Object.class), typeOf(DataOutput.class)), null,
            new String[] { typeOf(IOException.class).getInternalName(),
                    typeOf(InterruptedException.class).getInternalName(), });
    if (properties.isEmpty()) {
        LocalVarRef output = new LocalVarRef(Opcodes.ALOAD, 2);
        output.load(v);/*from   w  ww .java2 s  .  com*/
        getConst(v, 0);
        v.visitMethodInsn(Opcodes.INVOKEINTERFACE, typeOf(DataOutput.class).getInternalName(), "writeByte",
                Type.getMethodDescriptor(Type.VOID_TYPE, Type.INT_TYPE), true);
    } else {
        LocalVarRef object = cast(v, 1, reference.getDeclaration());
        LocalVarRef output = new LocalVarRef(Opcodes.ALOAD, 2);
        for (PropertyReference property : properties) {
            object.load(v);
            getOption(v, property);
            output.load(v);
            v.visitMethodInsn(Opcodes.INVOKESTATIC, SERDE.getInternalName(), "serialize", Type
                    .getMethodDescriptor(Type.VOID_TYPE, typeOf(property.getType()), typeOf(DataOutput.class)),
                    false);
        }
    }
    v.visitInsn(Opcodes.RETURN);
    v.visitMaxs(0, 0);
    v.visitEnd();
}

---

From source file:com.asakusafw.dag.compiler.codegen.KeyValueSerDeGenerator.java

License:Apache License

private static void putDeserialize(DataModelReference reference, List<PropertyReference> keys,
        List<PropertyReference> values, FieldRef buffer, ClassWriter writer) {
    MethodVisitor v = writer.visitMethod(Opcodes.ACC_PUBLIC, "deserializePair",
            Type.getMethodDescriptor(typeOf(Object.class), typeOf(DataInput.class), typeOf(DataInput.class)),
            null, new String[] { typeOf(IOException.class).getInternalName(),
                    typeOf(InterruptedException.class).getInternalName(), });
    LocalVarRef self = new LocalVarRef(Opcodes.ALOAD, 0);
    LocalVarRef keyInput = new LocalVarRef(Opcodes.ALOAD, 1);
    LocalVarRef valueInput = new LocalVarRef(Opcodes.ALOAD, 2);
    self.load(v);//  ww w.j a  v  a2 s  .  co m
    getField(v, buffer);
    LocalVarRef object = putLocalVar(v, Type.OBJECT, 3);
    putDeserializeBody(v, keys, keyInput, object);
    putDeserializeBody(v, values, valueInput, object);
    object.load(v);
    v.visitInsn(Opcodes.ARETURN);
    v.visitMaxs(0, 0);
    v.visitEnd();
}

---

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