Examples with ClassWriter org.mvel2.asm.ClassWriter used on opensource projects

Example 81 with ClassWriter

use of org.mvel2.asm.ClassWriter in project drools by kiegroup.

the class TraitTriplePropertyWrapperClassBuilderImpl method buildContainsKey.

protected void buildContainsKey(ClassWriter cw, ClassDefinition core) {
    MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "containsKey", "(" + Type.getDescriptor(Object.class) + ")Z", null, null);
    mv.visitCode();
    for (FieldDefinition field : core.getFieldsDefinitions()) {
        invokeContainsKey(mv, field.getName());
    }
    mv.visitVarInsn(ALOAD, 0);
    mv.visitVarInsn(ALOAD, 1);
    mv.visitMethodInsn(INVOKESPECIAL, Type.getInternalName(TripleBasedStruct.class), "containsKey", "(" + Type.getDescriptor(Object.class) + ")Z", false);
    mv.visitInsn(IRETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}

Example 82 with ClassWriter

use of org.mvel2.asm.ClassWriter in project drools by kiegroup.

the class TraitTriplePropertyWrapperClassBuilderImpl method buildContainsValue.

protected void buildContainsValue(ClassWriter cw, String wrapperName, ClassDefinition core) {
    MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "containsValue", "(" + Type.getDescriptor(Object.class) + ")Z", null, null);
    mv.visitCode();
    boolean hasNillable = false;
    for (FieldDefinition field : core.getFieldsDefinitions()) {
        if (!BuildUtils.isPrimitive(field.getTypeName())) {
            hasNillable = true;
        }
    }
    Label l99 = null;
    if (hasNillable) {
        mv.visitVarInsn(ALOAD, 1);
        l99 = new Label();
        mv.visitJumpInsn(IFNONNULL, l99);
    }
    core.getFieldsDefinitions().size();
    for (FieldDefinition field : core.getFieldsDefinitions()) {
        if (!BuildUtils.isPrimitive(field.getTypeName())) {
            extractAndTestNotNull(mv, wrapperName, core, field);
        }
    }
    if (hasNillable) {
        mv.visitLabel(l99);
    }
    mv.visitVarInsn(ALOAD, 0);
    mv.visitVarInsn(ALOAD, 1);
    mv.visitMethodInsn(INVOKESPECIAL, Type.getInternalName(TripleBasedStruct.class), "containsValue", "(" + Type.getDescriptor(Object.class) + ")Z", false);
    mv.visitInsn(IRETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}

Example 83 with ClassWriter

use of org.mvel2.asm.ClassWriter in project drools by kiegroup.

the class TraitMapPropertyWrapperClassBuilderImpl method buildClear.

protected void buildClear(ClassWriter cw, String wrapperName, ClassDefinition trait, ClassDefinition core, BitSet mask) {
    String internalWrapper = BuildUtils.getInternalType(wrapperName);
    MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "clear", "()V", null, null);
    mv.visitCode();
    for (FieldDefinition field : core.getFieldsDefinitions()) {
        if (field.isKey())
            continue;
        TraitFactoryImpl.invokeInjector(mv, wrapperName, core, field, true, 1);
    }
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, internalWrapper, "map", Type.getDescriptor(Map.class));
    mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(Map.class), "clear", "()V", true);
    initSoftFields(mv, trait, core, internalWrapper, mask, 0);
    mv.visitInsn(RETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}

Example 84 with ClassWriter

use of org.mvel2.asm.ClassWriter in project mvel by mvel.

the class ASMAccessorOptimizer method _initJIT2.

private void _initJIT2() {
    if (isAdvancedDebugging()) {
        buildLog = new StringAppender();
    }
    cw = new ClassWriter(ClassWriter.COMPUTE_MAXS + ClassWriter.COMPUTE_FRAMES);
    synchronized (Runtime.getRuntime()) {
        cw.visit(OPCODES_VERSION, Opcodes.ACC_PUBLIC + Opcodes.ACC_SUPER, className = "ASMAccessorImpl_" + valueOf(cw.hashCode()).replaceAll("\\-", "_") + (System.currentTimeMillis() / 10) + ((int) (Math.random() * 100)), null, "java/lang/Object", new String[] { NAMESPACE + "compiler/Accessor" });
    }
    MethodVisitor m = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
    m.visitCode();
    m.visitVarInsn(Opcodes.ALOAD, 0);
    m.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
    m.visitInsn(RETURN);
    m.visitMaxs(1, 1);
    m.visitEnd();
    (mv = cw.visitMethod(ACC_PUBLIC, "setValue", "(Ljava/lang/Object;Ljava/lang/Object;L" + NAMESPACE + "integration/VariableResolverFactory;Ljava/lang/Object;)Ljava/lang/Object;", null, null)).visitCode();
}