Example usage for org.objectweb.asm Opcodes INVOKEVIRTUAL

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

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Introduction

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

Prototype

int INVOKEVIRTUAL

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

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Usage

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

License:Apache License

private static void defineSelection(Context context, ClassWriter writer, UserOperator operator, FieldRef impl,
        Map<OperatorProperty, FieldRef> dependencies) {
    Method selector = Invariants.safe(() -> {
        return MasterJoinOperatorUtil.getSelection(context.getClassLoader(), operator);
    });/*from w  w w  .  j  a va 2  s . c o m*/
    if (selector == null) {
        return;
    }
    MethodVisitor method = writer.visitMethod(Opcodes.ACC_PROTECTED | Opcodes.ACC_FINAL, "selectMaster",
            Type.getMethodDescriptor(typeOf(Object.class), typeOf(List.class), typeOf(Object.class)), null,
            null);
    cast(method, 2, MasterJoinOperatorUtil.getTransactionInput(operator).getDataType());

    List<ValueRef> arguments = new ArrayList<>();
    impl.load(method);
    arguments.add(new LocalVarRef(Opcodes.ALOAD, 1));
    arguments.add(new LocalVarRef(Opcodes.ALOAD, 2));
    arguments
            .addAll(Lang.project(getExtraViews(operator), v -> Invariants.requireNonNull(dependencies.get(v))));
    arguments
            .addAll(Lang.project(operator.getArguments(), v -> Invariants.requireNonNull(dependencies.get(v))));
    for (int i = 0, n = selector.getParameterCount(); i < n; i++) {
        arguments.get(i).load(method);
    }
    method.visitMethodInsn(Opcodes.INVOKEVIRTUAL, typeOf(selector.getDeclaringClass()).getInternalName(),
            selector.getName(), Type.getMethodDescriptor(selector), false);
    method.visitInsn(Opcodes.ARETURN);
    method.visitMaxs(0, 0);
    method.visitEnd();
}

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

License:Apache License

private static void performJoin(MethodVisitor method, Context context, UserOperator operator,
        LocalVarRef masterRef, LocalVarRef txRef, FieldRef impl, Map<OperatorProperty, FieldRef> dependencies,
        ClassDescription target) {//from  w  w w. j a v a 2s.c  o m
    OperatorInput master = operator.getInput(MasterJoin.ID_INPUT_MASTER);
    OperatorInput tx = operator.getInput(MasterJoin.ID_INPUT_TRANSACTION);
    OperatorOutput joined = operator.getOutput(MasterJoin.ID_OUTPUT_JOINED);

    method.visitVarInsn(Opcodes.ALOAD, 0);
    getField(method, target, FIELD_BUFFER, typeOf(joined.getDataType()));
    LocalVarRef bufferVar = putLocalVar(method, Type.OBJECT, 3);

    bufferVar.load(method);
    method.visitMethodInsn(Opcodes.INVOKEVIRTUAL, typeOf(joined.getDataType()).getInternalName(), "reset",
            Type.getMethodDescriptor(Type.VOID_TYPE), false);

    List<PropertyMapping> mappings = Invariants
            .safe(() -> JoinedModelUtil.getPropertyMappings(context.getClassLoader(), operator));
    Map<OperatorInput, ValueRef> inputs = new HashMap<>();
    Map<OperatorOutput, ValueRef> outputs = new HashMap<>();
    inputs.put(master, masterRef);
    inputs.put(tx, txRef);
    outputs.put(joined, bufferVar);
    mapping(method, context.getDataModelLoader(), mappings, inputs, outputs);
    bufferVar.load(method);
}

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

License:Apache License

private static void countMapper(MethodVisitor method, PropertyReference src, PropertyReference dst,
        LocalVarRef srcVar, LocalVarRef dstVar) {
    Invariants.require(dst.getType().equals(LONG_DESC));
    dstVar.load(method);//from   ww  w . j  a  v  a2 s  .c  o  m
    getOption(method, dst);
    getConst(method, 1L);
    method.visitMethodInsn(Opcodes.INVOKEVIRTUAL, typeOf(LONG_DESC).getInternalName(), "modify",
            Type.getMethodDescriptor(typeOf(LONG_DESC), Type.LONG_TYPE), false);
}

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

License:Apache License

private static void sumMapper(MethodVisitor method, ClassDescription target, PropertyReference src,
        PropertyReference dst, LocalVarRef srcVar, LocalVarRef dstVar, Set<PropertyReference> nullChecked) {
    dstVar.load(method);/*from   w  w  w . j  av a2s  . c o  m*/
    getOption(method, dst);
    srcVar.load(method);
    getOption(method, src);
    checkNull(method, target, src, srcVar, nullChecked);
    TypeDescription srcOptionType = src.getType();
    Type srcEntityType = Invariants.requireNonNull(ENTITY_TYPE_MAP.get(srcOptionType));
    method.visitMethodInsn(Opcodes.INVOKEVIRTUAL, typeOf(srcOptionType).getInternalName(), "get",
            Type.getMethodDescriptor(srcEntityType), false);
    if (srcOptionType.equals(BYTE_DESC) || srcOptionType.equals(SHORT_DESC) || srcOptionType.equals(INT_DESC)) {
        method.visitInsn(Opcodes.I2L);
    } else if (srcOptionType.equals(FLOAT_DESC)) {
        method.visitInsn(Opcodes.F2D);
    }
    TypeDescription dstOptionType = dst.getType();
    Type dstEntityType = Invariants.requireNonNull(ENTITY_TYPE_MAP.get(dstOptionType));
    method.visitMethodInsn(Opcodes.INVOKEVIRTUAL, typeOf(dstOptionType).getInternalName(), "modify",
            Type.getMethodDescriptor(typeOf(dstOptionType), dstEntityType), false);
}

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

License:Apache License

private static void combine(MethodVisitor method, String targetName, PropertyReference prop,
        LocalVarRef leftVar, LocalVarRef rightVar, boolean parent) {
    leftVar.load(method);/*  w  ww  .  ja v a 2  s .  c  o m*/
    getOption(method, prop);
    rightVar.load(method);
    getOption(method, prop);
    Type declaring = typeOf(parent ? VALUE_DESC : prop.getType());
    method.visitMethodInsn(Opcodes.INVOKEVIRTUAL, declaring.getInternalName(), targetName,
            Type.getMethodDescriptor(Type.VOID_TYPE, declaring), false);
}

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

License:Apache License

static void invoke(MethodVisitor method, Context context, UserOperator operator, List<ValueRef> arguments) {
    for (ValueRef var : arguments) {
        var.load(method);
    }//  www.  j  a v a 2s. c o m
    Method ref = Invariants.safe(() -> operator.getMethod().resolve(context.getClassLoader()));
    Invariants.require(Modifier.isStatic(ref.getModifiers()) == false);
    Invariants.require(ref.getDeclaringClass().isInterface() == false);
    Invariants.require(arguments.size() == ref.getParameterCount() + 1);
    method.visitMethodInsn(Opcodes.INVOKEVIRTUAL, AsmUtil.typeOf(ref.getDeclaringClass()).getInternalName(),
            ref.getName(), Type.getMethodDescriptor(ref), false);
}

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

License:Apache License

static void mapping(MethodVisitor method, DataModelLoader loader, List<PropertyMapping> mappings,
        Map<OperatorInput, ValueRef> inputRefs, Map<OperatorOutput, ValueRef> outputRefs) {
    Map<OperatorInput, DataModelReference> inputTypes = inputRefs.keySet().stream().collect(
            Collectors.toMap(Function.identity(), p -> Invariants.safe(() -> loader.load(p.getDataType()))));
    Map<OperatorOutput, DataModelReference> outputTypes = outputRefs.keySet().stream().collect(
            Collectors.toMap(Function.identity(), p -> Invariants.safe(() -> loader.load(p.getDataType()))));
    Map<OperatorOutput, Map<PropertyName, PropertyReference>> open = new HashMap<>();
    outputTypes.forEach((p, m) -> open.put(p, m.getProperties().stream()
            .collect(Collectors.toMap(PropertyReference::getName, Function.identity()))));

    for (PropertyMapping mapping : mappings) {
        ValueRef srcRef = Invariants.requireNonNull(inputRefs.get(mapping.getSourcePort()));
        PropertyReference srcProp = Invariants.requireNonNull(
                inputTypes.get(mapping.getSourcePort()).findProperty(mapping.getSourceProperty()));
        ValueRef dstRef = Invariants.requireNonNull(outputRefs.get(mapping.getDestinationPort()));
        PropertyReference dstProp = Invariants.requireNonNull(
                outputTypes.get(mapping.getDestinationPort()).findProperty(mapping.getDestinationProperty()));
        Invariants.require(srcProp.getType().equals(dstProp.getType()));
        open.get(mapping.getDestinationPort()).remove(mapping.getDestinationProperty());

        dstRef.load(method);/*  ww w.  j  a va2s  .c  o m*/
        AsmUtil.getOption(method, dstProp);

        srcRef.load(method);
        AsmUtil.getOption(method, srcProp);

        AsmUtil.copyOption(method, srcProp.getType());
    }
    open.forEach((p, map) -> {
        ValueRef ref = outputRefs.get(p);
        // always non null?
        if (ref != null) {
            map.forEach((name, prop) -> {
                ref.load(method);
                AsmUtil.getOption(method, prop);
                method.visitMethodInsn(Opcodes.INVOKEVIRTUAL, typeOf(ValueOption.class).getInternalName(),
                        "setNull", Type.getMethodDescriptor(typeOf(ValueOption.class)), false);

            });
        }
    });
}

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

License:Apache License

/**
 * Adds a {@code get*Option()} method invocation.
 * @param method the target method/*from   w ww.  j  av a  2  s. com*/
 * @param property the target property
 */
public static void getOption(MethodVisitor method, PropertyReference property) {
    MethodDescription decl = property.getDeclaration();
    assert decl.getParameterTypes().isEmpty();
    method.visitMethodInsn(Opcodes.INVOKEVIRTUAL, decl.getDeclaringClass().getInternalName(), decl.getName(),
            Type.getMethodDescriptor(typeOf(property.getType())), false);
}

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

License:Apache License

/**
 * Invokes {@code ValueOption#isNull()}.
 * @param method the target method/* w  w w.j a  v a 2 s.co m*/
 * @param dataType the data type
 */
public static void getNullity(MethodVisitor method, TypeDescription dataType) {
    method.visitMethodInsn(Opcodes.INVOKEVIRTUAL, typeOf(dataType).getInternalName(), "isNull",
            Type.getMethodDescriptor(Type.BOOLEAN_TYPE), false);
}

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

License:Apache License

/**
 * Invokes {@code ValueOption#copyFrom(ValueOption)}.
 * @param method the target method//w ww  .  j  av  a  2s  .  c  o m
 * @param dataType the data type
 */
public static void copyOption(MethodVisitor method, TypeDescription dataType) {
    method.visitMethodInsn(Opcodes.INVOKEVIRTUAL, typeOf(dataType).getInternalName(), "copyFrom",
            Type.getMethodDescriptor(Type.VOID_TYPE, typeOf(dataType)), false);
}