Examples of serp.bytecode.Code.constant()

serp.bytecode.Code.constant()
Load some constant onto the stack. The {@link ConstantInstruction}type takes any constant and correctly translates it into the proper opcode, depending on the constant type and value. For example, if the constant value is set to 0L, the opcode will be set to lconst0.

            throwException(code, IllegalStateException.class);
            ifins.setTarget(code.nop());
        }


        // for (int i = 0;
        code.constant().setValue(0);
        int idx = code.getNextLocalsIndex();
        code.istore().setLocal(idx);
        JumpInstruction testins = code.go2();


        // <method> (fields[i]);

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        // if (pcStateManager == null) return <default>;
        loadManagedInstance(code, false);
        code.getfield().setField(SM, SMTYPE);
        JumpInstruction ifins = code.ifnonnull();
        if (returnType.equals(boolean.class))
            code.constant().setValue(false);
        else if (!returnType.equals(void.class))
            code.constant().setNull();
        code.xreturn().setType(returnType);


        // if this is the dirty-check method and we're subclassing but not

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        code.getfield().setField(SM, SMTYPE);
        JumpInstruction ifins = code.ifnonnull();
        if (returnType.equals(boolean.class))
            code.constant().setValue(false);
        else if (!returnType.equals(void.class))
            code.constant().setNull();
        code.xreturn().setType(returnType);


        // if this is the dirty-check method and we're subclassing but not
        // redefining, hook into PCHelper to do the dirty check
        if (isDirtyCheckMethod && !getRedefine()) {

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        Collection jumps = new LinkedList();
        Collection jumps2;
        int objectCount = 0;
        boolean intermediate;
        int local = code.getNextLocalsIndex();
        code.constant().setNull();
        code.astore().setLocal(local);
        int inter = code.getNextLocalsIndex();
        code.constant().setNull();
        code.astore().setLocal(inter);

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        boolean intermediate;
        int local = code.getNextLocalsIndex();
        code.constant().setNull();
        code.astore().setLocal(local);
        int inter = code.getNextLocalsIndex();
        code.constant().setNull();
        code.astore().setLocal(inter);


        for (int i = 0; i < fmds.length; i++) {
            jumps2 = new LinkedList();
            intermediate = usesIntermediate(fmds[i]);

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            intermediate = usesIntermediate(fmds[i]);
            // if (fields.get(i))
            // {
            //     if (loaded.get(i))
            setTarget(code.aload().setParam(1), jumps);
            code.constant().setValue(i);
            code.invokevirtual().setMethod(BitSet.class, "get",
                boolean.class, new Class[]{ int.class });
            jumps2.add(code.ifeq());
            code.aload().setThis();
            code.getfield().setField("loaded", BitSet.class);

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            code.invokevirtual().setMethod(BitSet.class, "get",
                boolean.class, new Class[]{ int.class });
            jumps2.add(code.ifeq());
            code.aload().setThis();
            code.getfield().setField("loaded", BitSet.class);
            code.constant().setValue(i);
            code.invokevirtual().setMethod(BitSet.class, "get",
                boolean.class, new Class[]{ int.class });
            if (intermediate)
                jumps.add(code.ifeq());
            else

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        // mutate, and some setters are final and therefore not proxyable
        m = bc.declareMethod("computeFields", void.class, null);
        m.makeProtected();
        code = m.getCode(true);
        code.aload().setThis();
        code.constant().setValue(true);
        code.invokestatic().setMethod(Proxies.class, "dirty", void.class,
            new Class[] { Proxy.class, boolean.class });
        code.aload().setThis();
        code.invokespecial().setMethod(type, "computeFields", void.class, null);
        code.vreturn();

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            addLoad(bc, code, fmds[i], objectCount, local, true);
            if (usesImplData(fmds[i])) {
                // loadImplData(sm, i);
                code.aload().setThis();
                code.aload().setParam(0);
                code.constant().setValue(i);
                code.invokevirtual().setMethod("loadImplData", void.class,
                    new Class[]{ OpenJPAStateManager.class, int.class });
            }


            // fields.clear(i);

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                    new Class[]{ OpenJPAStateManager.class, int.class });
            }


            // fields.clear(i);
            code.aload().setParam(1);
            code.constant().setValue(i);
            code.invokevirtual().setMethod(BitSet.class, "clear", void.class,
                new Class[] { int.class });


            jumps2.add(code.go2());

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