public Object interpret()

in src/main/java/org/apache/commons/jexl3/internal/Interpreter.java [854:918]
63 lines of code
18 McCabe index (conditional complexity)

    public Object interpret(final JexlNode node) {
        JexlContext.ThreadLocal tcontext = null;
        JexlEngine tjexl = null;
        Interpreter tinter = null;
        try {
            tinter = putThreadInterpreter(this);
            if (tinter != null) {
                fp = tinter.fp + 1;
            }
            if (context instanceof JexlContext.ThreadLocal) {
                tcontext = jexl.putThreadLocal((JexlContext.ThreadLocal) context);
            }
            tjexl = jexl.putThreadEngine(jexl);
            if (fp > jexl.stackOverflow) {
                throw new JexlException.StackOverflow(node.jexlInfo(), "jexl (" + jexl.stackOverflow + ")", null);
            }
            cancelCheck(node);
            return arithmetic.controlReturn(node.jjtAccept(this, null));
        } catch (final StackOverflowError xstack) {
            final JexlException xjexl = new JexlException.StackOverflow(node.jexlInfo(), "jvm", xstack);
            if (!isSilent()) {
                throw xjexl.clean();
            }
            if (logger.isWarnEnabled()) {
                logger.warn(xjexl.getMessage(), xjexl.getCause());
            }
        } catch (final JexlException.Return xreturn) {
            return xreturn.getValue();
        } catch (final JexlException.Cancel xcancel) {
            // cancelled |= Thread.interrupted();
            cancelled.weakCompareAndSet(false, Thread.interrupted());
            if (isCancellable()) {
                throw xcancel.clean();
            }
        } catch (final JexlException xjexl) {
            if (!isSilent()) {
                throw xjexl.clean();
            }
            if (logger.isWarnEnabled()) {
                logger.warn(xjexl.getMessage(), xjexl.getCause());
            }
        } finally {
            // clean functors at top level
            if (fp == 0) {
                synchronized (this) {
                    if (functors != null) {
                        for (final Object functor : functors.values()) {
                            closeIfSupported(functor);
                        }
                        functors.clear();
                        functors = null;
                    }
                }
            }
            jexl.putThreadEngine(tjexl);
            if (context instanceof JexlContext.ThreadLocal) {
                jexl.putThreadLocal(tcontext);
            }
            if (tinter != null) {
                fp = tinter.fp - 1;
            }
            putThreadInterpreter(tinter);
        }
        return null;
    }