Package org.eclipse.persistence.internal.libraries.asm

Examples of org.eclipse.persistence.internal.libraries.asm.Label

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        // Write: public void setItem({collectionType})
        String methodSig = "(L" + collectionType.getInternalName() + "<" + componentTypeInternalName + ">;)V";
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "setItem", "(L" + collectionType.getInternalName() + ";)V", methodSig, null);
        mv.visitAnnotation("Ljavax/xml/bind/annotation/XmlTransient;", true);
        Label l0 = new Label(); // ??
        mv.visitLabel(l0);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitVarInsn(Opcodes.ALOAD, 1);
        mv.visitFieldInsn(Opcodes.PUTFIELD, qualifiedInternalClassName, ITEM, L + collectionType.getInternalName() + SEMI_COLON);
        mv.visitInsn(Opcodes.RETURN);
        Label l1 = new Label(); // ??
        mv.visitLabel(l1);
        mv.visitMaxs(2, 2);
        mv.visitEnd();

        // Write: public {collectionType} getItem()
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        methodAttrs1.annotations.add(methodAttrs1ann0);

        SignatureAttribute methodAttrs2 = new SignatureAttribute("(L"+ mapType.getInternalName()+ "<L" + internalKeyName + ";L" + internalValueName + ";>;)V");
        methodAttrs1.next = methodAttrs2;
        cv = cw.visitMethod(Constants.ACC_PUBLIC, "setItem", "(L"+ mapType.getInternalName()+ ";)V", null, methodAttrs1);
        Label l0 = new Label();
        cv.visitLabel(l0);
        cv.visitVarInsn(Constants.ALOAD, 0);
        cv.visitVarInsn(Constants.ALOAD, 1);
        cv.visitFieldInsn(Constants.PUTFIELD, qualifiedInternalClassName, "entry", "L"+ mapType.getInternalName()+ ";");
        cv.visitInsn(Constants.RETURN);
        Label l1 = new Label();
        cv.visitLabel(l1);
        // CODE ATTRIBUTE

        LocalVariableTypeTableAttribute cvAttr = new LocalVariableTypeTableAttribute();
        cv.visitAttribute(cvAttr);
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        cv = cw.visitMethod(Constants.ACC_PUBLIC, "getItem", "()Ljava/lang/Object;", null, methodAttrs1);
        cv.visitVarInsn(Constants.ALOAD, 0);
        cv.visitFieldInsn(Constants.GETFIELD, qualifiedInternalClassName, "item", "Ljava/util/Collection;");
        cv.visitMethodInsn(Constants.INVOKEINTERFACE, "java/util/Collection", "iterator", "()Ljava/util/Iterator;");
        cv.visitVarInsn(Constants.ASTORE, 1);
        Label l0 = new Label();
        cv.visitLabel(l0);
        cv.visitVarInsn(Constants.ALOAD, 0);
        cv.visitFieldInsn(Constants.GETFIELD, qualifiedInternalClassName, "item", "Ljava/util/Collection;");
        cv.visitMethodInsn(Constants.INVOKEINTERFACE, "java/util/Collection", "size", "()I");
        cv.visitIntInsn(Constants.NEWARRAY, getNewArrayConstantForPrimitive(primitiveClassName));
        cv.visitVarInsn(Constants.ASTORE, 2);
        cv.visitInsn(Constants.ICONST_0);
        cv.visitVarInsn(Constants.ISTORE, 3);
        Label l1 = new Label();
        cv.visitJumpInsn(Constants.GOTO, l1);
        Label l2 = new Label();
        cv.visitLabel(l2);
        cv.visitVarInsn(Constants.ALOAD, 2);
        cv.visitVarInsn(Constants.ILOAD, 3);
        cv.visitVarInsn(Constants.ALOAD, 1);
        cv.visitMethodInsn(Constants.INVOKEINTERFACE, "java/util/Iterator", "next", "()Ljava/lang/Object;");
        cv.visitTypeInsn(Constants.CHECKCAST, componentType.getInternalName());
        // cv.visitMethodInsn(Constants.INVOKEVIRTUAL, componentType.getInternalName(), "booleanValue", "()Z"); //
        cv.visitMethodInsn(Constants.INVOKEVIRTUAL, componentType.getInternalName(), getToPrimitiveStringForObjectClass(primitiveClassName), getReturnTypeFor(primitiveClass));

        // cv.visitInsn(Constants.BASTORE);
        int iaStoreOpcode = Type.getType(primitiveClass).getOpcode(Constants.IASTORE);
        cv.visitInsn(iaStoreOpcode);

        cv.visitIincInsn(3, 1);
        cv.visitLabel(l1);
        cv.visitVarInsn(Constants.ILOAD, 3);
        cv.visitVarInsn(Constants.ALOAD, 2);
        cv.visitInsn(Constants.ARRAYLENGTH);
        cv.visitJumpInsn(Constants.IF_ICMPLT, l2);
        cv.visitVarInsn(Constants.ALOAD, 2);
        cv.visitInsn(Constants.ARETURN);
        Label l3 = new Label();
        cv.visitLabel(l3);
        // CODE ATTRIBUTE
        // LocalVariableTypeTableAttribute cv = new LocalVariableTypeTableAttribute();

        LocalVariableTypeTableAttribute cvAttr = new LocalVariableTypeTableAttribute();
        cv.visitAttribute(cvAttr);

        cv.visitMaxs(3, 4);

        // METHOD ATTRIBUTES
        methodAttrs1 = new RuntimeVisibleAnnotations();

        methodAttrs1ann0 = new Annotation("Ljavax/xml/bind/annotation/XmlTransient;");
        methodAttrs1.annotations.add(methodAttrs1ann0);

        cv = cw.visitMethod(Constants.ACC_PUBLIC, "setItem", "(Ljava/lang/Object;)V", null, methodAttrs1);
        cv.visitTypeInsn(Constants.NEW, "java/util/ArrayList");
        cv.visitInsn(Constants.DUP);
        cv.visitMethodInsn(Constants.INVOKESPECIAL, "java/util/ArrayList", "<init>", "()V");
        cv.visitVarInsn(Constants.ASTORE, 2);
        l0 = new Label();
        cv.visitLabel(l0);
        cv.visitVarInsn(Constants.ALOAD, 1);
        // cv.visitTypeInsn(Constants.CHECKCAST, "[Z");
        cv.visitTypeInsn(Constants.CHECKCAST, getCastTypeFor(primitiveClass));

        cv.visitVarInsn(Constants.ASTORE, 3);
        cv.visitInsn(Constants.ICONST_0);
        cv.visitVarInsn(Constants.ISTORE, 4);
        l1 = new Label();
        cv.visitJumpInsn(Constants.GOTO, l1);
        l2 = new Label();
        cv.visitLabel(l2);
        cv.visitVarInsn(Constants.ALOAD, 3);
        cv.visitVarInsn(Constants.ILOAD, 4);
        // cv.visitInsn(Constants.BALOAD);
        int iaLoadOpcode = Type.getType(primitiveClass).getOpcode(Constants.IALOAD);
        cv.visitInsn(iaLoadOpcode);
        cv.visitVarInsn(Constants.ISTORE, 5);
        cv.visitVarInsn(Constants.ALOAD, 2);
        cv.visitTypeInsn(Constants.NEW, componentType.getInternalName());
        cv.visitInsn(Constants.DUP);
        cv.visitVarInsn(Constants.ILOAD, 5);
        cv.visitMethodInsn(Constants.INVOKESPECIAL, componentType.getInternalName(), "<init>", "(" + getShortNameForPrimitive(primitiveClass) + ")V");
        cv.visitMethodInsn(Constants.INVOKEVIRTUAL, "java/util/ArrayList", "add", "(Ljava/lang/Object;)Z");
        cv.visitInsn(Constants.POP);
        cv.visitIincInsn(4, 1);
        cv.visitLabel(l1);
        cv.visitVarInsn(Constants.ILOAD, 4);
        cv.visitVarInsn(Constants.ALOAD, 3);
        cv.visitInsn(Constants.ARRAYLENGTH);
        cv.visitJumpInsn(Constants.IF_ICMPLT, l2);
        cv.visitVarInsn(Constants.ALOAD, 0);
        cv.visitVarInsn(Constants.ALOAD, 2);
        cv.visitFieldInsn(Constants.PUTFIELD, qualifiedInternalClassName, "item", "Ljava/util/Collection;");
        cv.visitInsn(Constants.RETURN);
        l3 = new Label();
        cv.visitLabel(l3);
        // CODE ATTRIBUTE

        cv.visitAttribute(cvAttr);
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        methodAttrs1.annotations.add(methodAttrs1ann0);

        SignatureAttribute methodAttrs2 = new SignatureAttribute("(L"+collectionType.getInternalName()+"<L" + componentType.getInternalName() + ";>;)V");
        methodAttrs1.next = methodAttrs2;
        cv = cw.visitMethod(Constants.ACC_PUBLIC, "setItem", "(L"+collectionType.getInternalName()+";)V", null, methodAttrs1);
        Label l0 = new Label();
        cv.visitLabel(l0);
        cv.visitVarInsn(Constants.ALOAD, 0);
        cv.visitVarInsn(Constants.ALOAD, 1);
        cv.visitFieldInsn(Constants.PUTFIELD, qualifiedInternalClassName, "item", "L"+collectionType.getInternalName()+";");
        cv.visitInsn(Constants.RETURN);
        Label l1 = new Label();
        cv.visitLabel(l1);
        // CODE ATTRIBUTE

        LocalVariableTypeTableAttribute cvAttr = new LocalVariableTypeTableAttribute();
        cv.visitAttribute(cvAttr);
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    @Override
    public void visitTypeInsn(final int opcode, final String type) {
        if (opcode == Opcodes.NEW) {
            if (labels == null) {
                Label l = new Label();
                labels = new ArrayList<Label>(3);
                labels.add(l);
                if (mv != null) {
                    mv.visitLabel(l);
                }
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            }
            return sb.toString();
        }

        protected final Label getLabel(final Object label) {
            Label lbl = labels.get(label);
            if (lbl == null) {
                lbl = new Label();
                labels.put(label, lbl);
            }
            return lbl;
        }
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        @Override
        public final void end(final String name) {
            HashMap<?, ?> vals = (HashMap<?, ?>) pop();
            int min = Integer.parseInt((String) vals.get("min"));
            int max = Integer.parseInt((String) vals.get("max"));
            Label dflt = getLabel(vals.get("dflt"));
            ArrayList<?> lbls = (ArrayList<?>) vals.get("labels");
            Label[] labels = lbls.toArray(new Label[lbls.size()]);
            getCodeVisitor().visitTableSwitchInsn(min, max, dflt, labels);
        }
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        }

        @Override
        public final void end(final String name) {
            HashMap<?, ?> vals = (HashMap<?, ?>) pop();
            Label dflt = getLabel(vals.get("dflt"));
            ArrayList<String> keyList = (ArrayList<String>) vals.get("keys");
            ArrayList<?> lbls = (ArrayList<?>) vals.get("labels");
            Label[] labels = lbls.toArray(new Label[lbls.size()]);
            int[] keys = new int[keyList.size()];
            for (int i = 0; i < keys.length; i++) {
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     */
    final class TryCatchRule extends Rule {

        @Override
        public final void begin(final String name, final Attributes attrs) {
            Label start = getLabel(attrs.getValue("start"));
            Label end = getLabel(attrs.getValue("end"));
            Label handler = getLabel(attrs.getValue("handler"));
            String type = attrs.getValue("type");
            getCodeVisitor().visitTryCatchBlock(start, end, handler, type);
        }
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    final class LineNumberRule extends Rule {

        @Override
        public final void begin(final String name, final Attributes attrs) {
            int line = Integer.parseInt(attrs.getValue("line"));
            Label start = getLabel(attrs.getValue("start"));
            getCodeVisitor().visitLineNumber(line, start);
        }
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Related Classes of org.eclipse.persistence.internal.libraries.asm.Label

  • org.eclipse.persistence.internal.jpa.weaving.ClassWeaver
  • org.eclipse.persistence.internal.jpa.weaving.MethodWeaver
  • org.eclipse.persistence.internal.libraries.asm.attrs.LocalVariableTypeTableAttribute
  • org.eclipse.persistence.internal.libraries.asm.attrs.StackMapFrame
  • org.eclipse.persistence.internal.libraries.asm.commons.AnalyzerAdapter
  • org.eclipse.persistence.internal.libraries.asm.commons.GeneratorAdapter
  • org.eclipse.persistence.internal.libraries.asm.tree.analysis.Analyzer
  • org.eclipse.persistence.internal.libraries.asm.tree.LabelNode
  • org.eclipse.persistence.internal.libraries.asm.xml.ASMContentHandler$LineNumberRule
  • org.eclipse.persistence.internal.libraries.asm.xml.ASMContentHandler$LocalVarRule
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