Examples of org.drools.asm.MethodVisitor.visitTypeInsn()

org.drools.asm.MethodVisitor.visitTypeInsn()
Visits a type instruction. A type instruction is an instruction that takes a type descriptor as parameter. @param opcode the opcode of the type instruction to be visited. Thisopcode is either NEW, ANEWARRAY, CHECKCAST or INSTANCEOF. @param desc the operand of the instruction to be visited. This operand ismust be a fully qualified class name in internal form, or the type descriptor of an array type (see {@link Type Type}).


            // final <classname> other = (<classname>) obj;
            mv.visitLabel( l3 );
            mv.visitVarInsn( Opcodes.ALOAD,
                             1 );
            mv.visitTypeInsn( Opcodes.CHECKCAST,
                              getInternalType( classDef.getClassName() ) );
            mv.visitVarInsn( Opcodes.ASTORE,
                             2 );


            // for each key field

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        final Label l0 = new Label();
        mv.visitLabel( l0 );
        mv.visitVarInsn( Opcodes.ALOAD,
                         2 );
        mv.visitTypeInsn( Opcodes.CHECKCAST,
                          Type.getInternalName( originalClass ) );


        if ( originalClass.isInterface() ) {
            mv.visitMethodInsn( Opcodes.INVOKEINTERFACE,
                                Type.getInternalName( originalClass ),

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            final Label l0 = new Label();
            mv.visitLabel( l0 );


            mv.visitVarInsn( Opcodes.ALOAD,
                             1 );
            mv.visitTypeInsn( Opcodes.CHECKCAST,
                              Type.getInternalName( originalClass ) );


            mv.visitVarInsn( Type.getType( fieldType ).getOpcode( Opcodes.ILOAD ),
                             2 );

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            mv.visitVarInsn( Type.getType( fieldType ).getOpcode( Opcodes.ILOAD ),
                             2 );


            if ( !fieldType.isPrimitive() ) {
                mv.visitTypeInsn( Opcodes.CHECKCAST,
                                  Type.getInternalName( fieldType ) );
            }


            if ( originalClass.isInterface() ) {
                mv.visitMethodInsn( Opcodes.INVOKEINTERFACE,

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                l0 = new Label();
                mv.visitLabel( l0 );
            }


            // StringBuffer buf = new StringBuffer();
            mv.visitTypeInsn( Opcodes.NEW,
                              Type.getInternalName( StringBuffer.class ) );
            mv.visitInsn( Opcodes.DUP );
            mv.visitMethodInsn( Opcodes.INVOKESPECIAL,
                                Type.getInternalName( StringBuffer.class ),
                                "<init>",

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        // this.delegate = (<clazz>) object;
        mv.visitVarInsn( Opcodes.ALOAD,
                         0 );
        mv.visitVarInsn( Opcodes.ALOAD,
                         1 );
        mv.visitTypeInsn( Opcodes.CHECKCAST,
                          Type.getInternalName( clazz ) );
        mv.visitFieldInsn( Opcodes.PUTFIELD,
                           className,
                           DELEGATE_FIELD_NAME,
                           Type.getDescriptor( clazz ) );

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                             1 );
            mv.visitMethodInsn( Opcodes.INVOKESTATIC,
                                Type.getInternalName( ShadowProxyUtils.class ),
                                "cloneObject",
                                "(Ljava/lang/Object;)Ljava/lang/Object;" );
            mv.visitTypeInsn( Opcodes.CHECKCAST,
                              Type.getInternalName( fieldType ) );
            mv.visitFieldInsn( Opcodes.PUTFIELD,
                               className,
                               fieldName,
                               Type.getDescriptor( fieldType ) );

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            final Label l3 = new Label();
            mv.visitJumpInsn( Opcodes.IFNULL,
                              l3 );
            mv.visitVarInsn( Opcodes.ALOAD,
                             1 );
            mv.visitTypeInsn( Opcodes.INSTANCEOF,
                              Type.getInternalName( clazz ) );
            final Label l4 = new Label();
            mv.visitJumpInsn( Opcodes.IFNE,
                              l4 );

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            //       this.delegate.equals( ((ShadowProxy)object).delegate ) ) ) {
            Label c0 = new Label();
            mv.visitLabel( c0 );
            mv.visitVarInsn( Opcodes.ALOAD,
                             1 );
            mv.visitTypeInsn( Opcodes.INSTANCEOF,
                              className );
            Label c1 = new Label();
            mv.visitJumpInsn( Opcodes.IFEQ,
                              c1 );
            mv.visitVarInsn( Opcodes.ALOAD,

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                               className,
                               DELEGATE_FIELD_NAME,
                               Type.getDescriptor( clazz ) );
            mv.visitVarInsn( Opcodes.ALOAD,
                             1 );
            mv.visitTypeInsn( Opcodes.CHECKCAST,
                              className );
            mv.visitFieldInsn( Opcodes.GETFIELD,
                               className,
                               DELEGATE_FIELD_NAME,
                               Type.getDescriptor( clazz ) );

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