Method prepareIPCs

src/main/java/org/dynjs/ir/Scope.java:254–282

(List<BasicBlock> list, CFG cfg)

    }

    private Instruction[] prepareIPCs(List<BasicBlock> list, CFG cfg) {
        // Set up IPCs
        List<Instruction> newInstrs = new ArrayList<Instruction>();
        HashMap<Label, Integer> labelIPCMap = new HashMap<Label, Integer>();
        int ipc = 0;
        for (BasicBlock basicBlock: list) {
            Label label = basicBlock.getLabel();
            labelIPCMap.put(label, ipc);
            // This assumes if multiple equal/same labels exist which are scattered around the scope
            // must be the same Java instance or only this one will get a targetPC set.
            label.setTargetIPC(ipc);
            List<Instruction> bbInstrs = basicBlock.getInstructions();
            int bbInstrsLength = bbInstrs.size();
            for (int i = 0; i < bbInstrsLength; i++) {
                Instruction instr = bbInstrs.get(i);

                newInstrs.add(instr);
                instr.setIPC(ipc);
                ipc++;
            }
        }

        cfg.getExitBB().getLabel().setTargetIPC(ipc + 1);  // Exit BasicBlock IPC


        setupRescueMap(list, cfg); // Set up the rescue map

        return newInstrs.toArray(new Instruction[newInstrs.size()]);
    }

    public void setupRescueMap(List<BasicBlock> list, CFG cfg) {
        rescueMap = new HashMap<Integer, Integer>();