Examples of serp.bytecode.Code.previous()

serp.bytecode.Code.previous()
Return the previous instruction.

     */
    private void enhanceConstructor(BCClass bc) {
        BCMethod cons = bc.getDeclaredMethod("<init>", (String[]) null);
        Code code = cons.getCode(false);
        code.afterLast();
        code.previous();


        // private BitSet loaded = new BitSet();
        BCField loaded = addBeanField(bc, "loaded", BitSet.class);
        loaded.setFinal(true);
        code.aload().setThis();

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            ifins.setTarget(code.constant().setNull());
            code.astore().setLocal(obj);


            // establish switch target, then move before it
            Instruction target = code.aload().setLocal(obj);
            code.previous();


            // switch(i)
            code.iload().setParam(1);
            LookupSwitchInstruction lswitch = code.lookupswitch();
            FieldMetaData[] fields = meta.getFields();

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            code.iload().setParam(1);
            LookupSwitchInstruction lswitch = code.lookupswitch();


            // establish switch target, then move before it
            Instruction switchTarget = code.iload().setLocal(arrIdx);
            code.previous();


            FieldMetaData[] fields = meta.getFields();
            int cacheable = 0;
            for (int i = 0; i < fields.length; i++) {
                if (!usesImplData(fields[i]))

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            JumpInstruction ifins = code.ificmpne();
            code.vreturn();


            // create null target, then move before it
            Instruction nullTarget = code.aload().setThis();
            code.previous();


            // if (loaded)
            ifins.setTarget(code.iload().setParam(2));
            code.ifeq().setTarget(nullTarget);

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            J2DoPrivHelper.newCodeAction())).vreturn();
        JumpInstruction toret;
        Instruction ret;
        code.beforeFirst();
        while (code.searchForward(tmplate)) {
            ret = code.previous();
            // if (clear) pcSetDetachedState (null);
            code.iload().setLocal(clear);
            toret = code.ifeq();
            loadManagedInstance(code, false);
            code.constant().setNull();

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        BCField field = null, cur;
        Instruction templateIns, prevIns, earlierIns;
        while (code.searchForward(template)) {
            int backupCount = 3;
            templateIns = code.previous();
            if (!code.hasPrevious())
                return null;
            prevIns = code.previous();


            if (prevIns instanceof ClassInstruction

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        while (code.searchForward(template)) {
            int backupCount = 3;
            templateIns = code.previous();
            if (!code.hasPrevious())
                return null;
            prevIns = code.previous();


            if (prevIns instanceof ClassInstruction
                && code.hasPrevious()) {
                prevIns = code.previous();
                backupCount++;

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                return null;
            prevIns = code.previous();


            if (prevIns instanceof ClassInstruction
                && code.hasPrevious()) {
                prevIns = code.previous();
                backupCount++;
            }


            if (!code.hasPrevious())
                return null;

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                backupCount++;
            }


            if (!code.hasPrevious())
                return null;
            earlierIns = code.previous();


            // if the opcode two before the template was an aload_0, check
            // against the middle instruction based on what type of find
            // we're doing
            if (!(earlierIns instanceof LoadInstruction)

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            J2DoPrivHelper.newCodeAction())).vreturn();
        JumpInstruction toret;
        Instruction ret;
        code.beforeFirst();
        while (code.searchForward(tmplate)) {
            ret = code.previous();
            // if (clear) pcSetDetachedState (null);
            code.iload().setLocal(clear);
            toret = code.ifeq();
            loadManagedInstance(code, false);
            code.constant().setNull();

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