Package org.mvel2.asm

Examples of org.mvel2.asm.MethodVisitor.visitCode()

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    private void buildContainsKey(ClassWriter cw, String name, String className, ClassDefinition trait, ClassDefinition core, BitSet mask) {
        String internalWrapper = BuildUtils.getInternalType( name );

        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() );
        }
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    private void buildSize( ClassVisitor cw, String wrapperName, String coreName, ClassDefinition trait, ClassDefinition core, BitSet mask ) {
        String internalWrapper = BuildUtils.getInternalType( wrapperName );

        MethodVisitor mv = cw.visitMethod( ACC_PUBLIC, "size", "()I", null, null );
        mv.visitCode();
        mv.visitVarInsn( ALOAD, 0 );
        mv.visitFieldInsn( GETFIELD, internalWrapper, "map", Type.getDescriptor( Map.class ) );
        mv.visitMethodInsn( INVOKEINTERFACE, Type.getInternalName( Map.class ), "size", "()I" );

        int n = core.getFieldsDefinitions().size();
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        String internalWrapper = BuildUtils.getInternalType( wrapperName );

        boolean hasHardFields = core.getFieldsDefinitions().size() > 0;

        MethodVisitor mv = cw.visitMethod( ACC_PUBLIC, "isEmpty", "()Z", null, null );
        mv.visitCode();

        if ( ! hasHardFields ) {
            mv.visitVarInsn( ALOAD, 0 );
            mv.visitFieldInsn( GETFIELD, internalWrapper, "map", Type.getDescriptor( Map.class ) );
            mv.visitMethodInsn( INVOKEINTERFACE, Type.getInternalName( Map.class ), "isEmpty", "()Z" );
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    private void buildGet( ClassVisitor cw, String wrapperName, String coreName, ClassDefinition trait, ClassDefinition core, BitSet mask ) {
        String internalWrapper = BuildUtils.getInternalType( wrapperName );

        MethodVisitor mv = cw.visitMethod( ACC_PUBLIC, "get", "(" + Type.getDescriptor( Object.class ) + ")" + Type.getDescriptor( Object.class ), null, null );
        mv.visitCode();


        if ( core.getFieldsDefinitions().size() > 0) {
            for ( FieldDefinition field : core.getFieldsDefinitions() ) {
                invokeGet( mv, wrapperName, core, field.getName(), field );
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    private void buildPut( ClassVisitor cw, String wrapperName, String coreName, ClassDefinition trait, ClassDefinition core, BitSet mask ) {
        String internalWrapper = BuildUtils.getInternalType( wrapperName );

        MethodVisitor mv = cw.visitMethod( ACC_PUBLIC, "put", "(" + Type.getDescriptor( String.class ) + Type.getDescriptor( Object.class ) + ")" + Type.getDescriptor( Object.class ), null, null );
        mv.visitCode();

        if ( core.getFieldsDefinitions().size() > 0) {
            for ( FieldDefinition field : core.getFieldsDefinitions() ) {
                invokePut( mv, wrapperName, core, field.getName(), field );
            }
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    private void buildEntryset( ClassVisitor cw, String wrapperName, String coreName, ClassDefinition trait, ClassDefinition core, BitSet mask ) {
        String internalWrapper = BuildUtils.getInternalType( wrapperName );

        MethodVisitor mv = cw.visitMethod( ACC_PUBLIC, "entrySet", "()" + Type.getDescriptor( Set.class ),
                                          "()Ljava/util/Set<Ljava/util/Map$Entry<Ljava/lang/String;Ljava/lang/Object;>;>;", null);
        mv.visitCode();
        mv.visitTypeInsn( NEW, Type.getInternalName( HashSet.class ) );
        mv.visitInsn( DUP );
        mv.visitMethodInsn( INVOKESPECIAL, Type.getInternalName( HashSet.class ), "<init>", "()V" );
        mv.visitVarInsn( ASTORE, 1 );
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    private void buildKeyset( ClassVisitor cw, String wrapperName, String coreName, ClassDefinition trait, ClassDefinition core, BitSet mask ) {
        String internalWrapper = BuildUtils.getInternalType( wrapperName );

        MethodVisitor mv = cw.visitMethod( ACC_PUBLIC, "keySet", "()" + Type.getDescriptor( Set.class ), "()Ljava/util/Set<Ljava/lang/String;>;", null );
        mv.visitCode();
        mv.visitTypeInsn( NEW, Type.getInternalName( HashSet.class ) );
        mv.visitInsn( DUP );
        mv.visitMethodInsn( INVOKESPECIAL, Type.getInternalName( HashSet.class ), "<init>", "()V" );
        mv.visitVarInsn( ASTORE, 1 );
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    private void buildValues( ClassVisitor cw, String wrapperName, String coreName, ClassDefinition trait, ClassDefinition core, BitSet mask ) {
        String internalWrapper = BuildUtils.getInternalType( wrapperName );

        MethodVisitor mv = cw.visitMethod( ACC_PUBLIC, "values", "()" + Type.getDescriptor( Collection.class ), "()Ljava/util/Collection<Ljava/lang/Object;>;", null );
        mv.visitCode();

        mv.visitTypeInsn( NEW, Type.getInternalName( ArrayList.class ) );
        mv.visitInsn( DUP );
        mv.visitMethodInsn( INVOKESPECIAL, Type.getInternalName( ArrayList.class ), "<init>", "()V" );
        mv.visitVarInsn( ASTORE, 1 );
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            {
                mv = cw.visitMethod( ACC_PUBLIC, "removeTrait",
                        Type.getMethodDescriptor( Type.getType( Collection.class ), new Type[] { Type.getType( String.class ) } ),
                        Type.getMethodDescriptor( Type.getType( Collection.class ), new Type[] { Type.getType( String.class ) } ),
                        null );
                mv.visitCode();
                mv.visitVarInsn( ALOAD, 0 );
                mv.visitMethodInsn( INVOKEVIRTUAL, BuildUtils.getInternalType( wrapperName ), "_getTraitMap", Type.getMethodDescriptor( Type.getType( Map.class ), new Type[] {} ) );
                mv.visitTypeInsn( CHECKCAST, Type.getInternalName( TraitTypeMap.class ) );
                mv.visitVarInsn(ALOAD, 1);
                mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( TraitTypeMap.class ), "removeCascade",
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                mv = cw.visitMethod( ACC_PUBLIC, "removeTrait",
                        Type.getMethodDescriptor( Type.getType( Collection.class ), new Type[] { Type.getType( BitSet.class ) } ),
                        Type.getMethodDescriptor( Type.getType( Collection.class ), new Type[] { Type.getType( BitSet.class ) } ),
                        null );
                mv.visitCode();
                mv.visitVarInsn( ALOAD, 0 );
                mv.visitMethodInsn( INVOKEVIRTUAL, BuildUtils.getInternalType( wrapperName ), "_getTraitMap", Type.getMethodDescriptor( Type.getType( Map.class ), new Type[] {} ) );
                mv.visitTypeInsn( CHECKCAST, Type.getInternalName( TraitTypeMap.class ) );
                mv.visitVarInsn(ALOAD, 1);
                mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( TraitTypeMap.class ), "removeCascade",
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