Method executeTextFragment

src/main/java/fieldpython/PI.kt:220–253

                        writer
                    ) {
                        currentLineNumber = it
                    }

                    val res = doEval(textFragment, lineErrors, success)

                    println(" result is $res")

                    RemoteEditor.boxFeedback(Optional.of(box), Vec4(0.3, 0.7, 0.3, 0.5))

                    return null
                } finally {
                    Execution.context.get().pop()
                }
            }


            private fun doEval(
                textFragment: String,
                lineErrors: Consumer<Pair<Int, String>>,
                success: Consumer<String>
            ): Pair<Any?, Boolean> {

                return ThreadSync2.inMainThread {
                    var errored = false

//                    println(" -- PI doeval in thread " + Thread.currentThread() + " " + pi.second)
                    pi.set("__writer__", writer)
//                    pi.second.put("_", box)
                    try {
                        //                        pi.exec(textFragment)
                        pi.set("__fragment__", textFragment)
                        pi.set("_", box)
                        pi.exec("__fieldeval__(__fragment__, __localmap__[_])")
//                        pi.first.exec(textFragment)
                    } catch (e: jep.JepException) {
                        e.printStackTrace()
                        val r = errorRegex.find(e.message!!)