Example usage for org.objectweb.asm MethodVisitor visitInsn

List of usage examples for org.objectweb.asm MethodVisitor visitInsn

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Introduction

In this page you can find the example usage for org.objectweb.asm MethodVisitor visitInsn.

Prototype

public void visitInsn(final int opcode)

Source Link

Document

Visits a zero operand instruction.

Usage

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

License:Apache License

private static void generateBody(MethodVisitor v, TypeDescription type, LocalVarRef target,
        LocalVarRef source) {//from ww w . ja va 2s.c  o m
    target.load(v);
    source.load(v);
    copyDataModel(v, type);

    target.load(v);
    v.visitInsn(Opcodes.ARETURN);
    v.visitMaxs(0, 0);
    v.visitEnd();
}

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

License:Apache License

private static void addConstructor(ClassWriter writer, ClassDescription target, List<VertexElement> elements,
        Function<VertexElement, String> ids) {
    MethodVisitor method = writer.visitMethod(Opcodes.ACC_PUBLIC, "<init>",
            Type.getMethodDescriptor(Type.VOID_TYPE, typeOf(OperationAdapter.Context.class)), null, null);
    method.visitVarInsn(Opcodes.ALOAD, 0);
    method.visitMethodInsn(Opcodes.INVOKESPECIAL, typeOf(Object.class).getInternalName(), "<init>",
            Type.getMethodDescriptor(Type.VOID_TYPE), false);

    method.visitVarInsn(Opcodes.ALOAD, 0);
    method.visitVarInsn(Opcodes.ALOAD, 1);
    method.visitFieldInsn(Opcodes.PUTFIELD, target.getInternalName(), FIELD_CONTEXT,
            typeOf(OperationAdapter.Context.class).getDescriptor());

    for (VertexElement element : elements) {
        method.visitVarInsn(Opcodes.ALOAD, 0);
        method.visitMethodInsn(Opcodes.INVOKESPECIAL, target.getInternalName(), ids.apply(element),
                Type.getMethodDescriptor(Type.VOID_TYPE), false);
    }//  w w  w  . j  a  va2s .co  m
    method.visitInsn(Opcodes.RETURN);
    method.visitMaxs(0, 0);
    method.visitEnd();
}

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

License:Apache License

private static void addProcessMethod(ClassWriter writer, ClassDescription target, OperationSpec graph) {
    VertexElement consumer = graph.getInput().getConsumer();
    MethodVisitor method = writer.visitMethod(Opcodes.ACC_PUBLIC, "process",
            Type.getMethodDescriptor(Type.VOID_TYPE, typeOf(Object.class)), null, null);
    method.visitVarInsn(Opcodes.ALOAD, 0);
    method.visitFieldInsn(Opcodes.GETFIELD, target.getInternalName(), graph.getId(consumer),
            typeOf(consumer.getRuntimeType()).getDescriptor());
    method.visitVarInsn(Opcodes.ALOAD, 1);
    invokeResultAdd(method);/*from   w w  w.jav  a  2 s .c  o  m*/
    method.visitInsn(Opcodes.RETURN);
    method.visitMaxs(0, 0);
    method.visitEnd();
}

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

License:Apache License

private static void addElementMethods(ClassWriter writer, ClassDescription target, List<VertexElement> elements,
        Function<VertexElement, String> ids) {
    for (VertexElement element : elements) {
        String id = ids.apply(element);
        MethodVisitor method = writer.visitMethod(Opcodes.ACC_PRIVATE, id,
                Type.getMethodDescriptor(Type.VOID_TYPE), null, null);
        method.visitVarInsn(Opcodes.ALOAD, 0);
        switch (element.getElementKind()) {
        case VALUE:
            getValue(method, target, (ValueElement) element, ids);
            break;
        case OPERATOR:
        case AGGREGATE:
            getClass(method, target, (ClassNode) element, ids);
            break;
        case OUTPUT:
            getOutput(method, target, (OutputNode) element, ids);
            break;
        case DATA_TABLE:
            getDataTable(method, target, (DataTableNode) element, ids);
            break;
        case CONTEXT:
            getContext(method, target, ids);
            break;
        case EMPTY_DATA_TABLE:
            getEmptyDataTable(method, target, ids);
            break;
        default://from  ww  w. j a v  a2 s  .  c om
            throw new AssertionError(element.getElementKind());
        }
        method.visitFieldInsn(Opcodes.PUTFIELD, target.getInternalName(), id,
                typeOf(element.getRuntimeType()).getDescriptor());
        method.visitInsn(Opcodes.RETURN);
        method.visitMaxs(0, 0);
        method.visitEnd();
    }
}

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

License:Apache License

private static void getClass(MethodVisitor method, ClassDescription target, ClassNode element,
        Function<VertexElement, String> ids) {
    method.visitTypeInsn(Opcodes.NEW, element.getImplementationType().getInternalName());
    method.visitInsn(Opcodes.DUP);
    List<Type> parameterTypes = new ArrayList<>();
    for (VertexElement dep : element.getDependencies()) {
        parameterTypes.add(typeOf(dep.getRuntimeType()));
        get(method, target, dep, ids);// w  ww. jav  a2s. c  o m
    }
    method.visitMethodInsn(Opcodes.INVOKESPECIAL, element.getImplementationType().getInternalName(),
            CONSTRUCTOR_NAME,
            Type.getMethodDescriptor(Type.VOID_TYPE, parameterTypes.stream().toArray(Type[]::new)), false);
}

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

License:Apache License

private static void putSerialize(DataModelReference reference, ClassWriter writer) {
    MethodVisitor v = writer.visitMethod(Opcodes.ACC_PUBLIC, "serialize",
            Type.getMethodDescriptor(Type.VOID_TYPE, typeOf(Object.class), typeOf(DataOutput.class)), null,
            new String[] { typeOf(IOException.class).getInternalName(),
                    typeOf(InterruptedException.class).getInternalName(), });
    LocalVarRef object = cast(v, 1, reference.getDeclaration());
    LocalVarRef output = new LocalVarRef(Opcodes.ALOAD, 2);
    for (PropertyReference property : reference.getProperties()) {
        object.load(v);//from   ww  w.j  ava2  s  . c om
        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.ValueSerDeGenerator.java

License:Apache License

private static void putDeserialize(DataModelReference reference, FieldRef buffer, ClassWriter writer) {
    MethodVisitor v = writer.visitMethod(Opcodes.ACC_PUBLIC, "deserialize",
            Type.getMethodDescriptor(typeOf(Object.class), typeOf(DataInput.class)), null,
            new String[] { typeOf(IOException.class).getInternalName(),
                    typeOf(InterruptedException.class).getInternalName(), });
    LocalVarRef self = new LocalVarRef(Opcodes.ALOAD, 0);
    LocalVarRef input = new LocalVarRef(Opcodes.ALOAD, 1);

    self.load(v);/*from  ww w .ja v a2  s. com*/
    getField(v, buffer);
    LocalVarRef object = putLocalVar(v, Type.OBJECT, 2);
    for (PropertyReference property : reference.getProperties()) {
        object.load(v);
        getOption(v, property);
        input.load(v);
        v.visitMethodInsn(Opcodes.INVOKESTATIC, SERDE.getInternalName(), "deserialize",
                Type.getMethodDescriptor(Type.VOID_TYPE, typeOf(property.getType()), typeOf(DataInput.class)),
                false);
    }
    object.load(v);
    v.visitInsn(Opcodes.ARETURN);
    v.visitMaxs(0, 0);
    v.visitEnd();
}

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

License:Apache License

private static void putConf(MethodVisitor method, ClassDescription target, LocalVarRef self,
        ClassDescription value, String name) {
    self.load(method);/*from w ww .  jav a  2 s .co m*/
    getConst(method, value);
    method.visitMethodInsn(Opcodes.INVOKEVIRTUAL, target.getInternalName(), name,
            Type.getMethodDescriptor(typeOf(VertexAdapter.class), typeOf(Class.class)), false);
    method.visitInsn(Opcodes.POP);
}

From source file:com.asakusafw.dag.compiler.directio.OutputPatternSerDeGenerator.java

License:Apache License

private static void putGetProperty(ClassWriter writer, DataModelReference reference, OutputPattern pattern) {
    List<PropertyReference> properties = pattern.getResourcePattern().stream()
            .filter(s -> s.getKind() == OutputPattern.SourceKind.PROPERTY).map(CompiledSegment::getTarget)
            .collect(Collectors.toList());
    if (properties.isEmpty()) {
        return;/*w  w w.ja  v a  2s.  c om*/
    }
    MethodVisitor v = writer.visitMethod(Opcodes.ACC_PUBLIC, "getProperty",
            Type.getMethodDescriptor(typeOf(Object.class), typeOf(Object.class), typeOf(int.class)), null,
            null);
    LocalVarRef object = cast(v, 1, reference.getDeclaration());
    LocalVarRef index = new LocalVarRef(Opcodes.ILOAD, 2);
    Label[] caseLabels = properties.stream().map(o -> new Label()).toArray(Label[]::new);
    Label defaultLabel = new Label();

    index.load(v);
    v.visitTableSwitchInsn(0, caseLabels.length - 1, defaultLabel, caseLabels);

    for (int i = 0, n = properties.size(); i < n; i++) {
        v.visitLabel(caseLabels[i]);
        PropertyReference property = properties.get(i);
        object.load(v);
        getOption(v, property);
        v.visitInsn(Opcodes.ARETURN);
    }
    v.visitLabel(defaultLabel);
    getNew(v, Descriptions.typeOf(AssertionError.class));
    v.visitInsn(Opcodes.ATHROW);

    v.visitMaxs(0, 0);
    v.visitEnd();
}

From source file:com.asakusafw.dag.compiler.directio.OutputPatternSerDeGenerator.java

License:Apache License

private static void putSerialize(DataModelReference reference, List<PropertyReference> properties,
        ClassWriter writer) {/*from   www  .ja  v  a 2 s  .c  o m*/
    MethodVisitor v = writer.visitMethod(Opcodes.ACC_PUBLIC, "serializeValue",
            Type.getMethodDescriptor(Type.VOID_TYPE, typeOf(Object.class), typeOf(DataOutput.class)), null,
            new String[] { typeOf(IOException.class).getInternalName(),
                    typeOf(InterruptedException.class).getInternalName(), });
    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();
}