add external functions tests

notebooks/tests/external_functions.ipynb

+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The following fails:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [
+    {
+     "ename": "ProBError",
+     "evalue": "ProB returned error messages:\nError: Definition file cannot be read: Loading of file content not supported.",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[1m\u001b[31m---------------------------------------------------------------------------\u001b[0m",
+      "\u001b[1m\u001b[31mde.prob.exception.ProBError: ProB returned error messages:\u001b[0m",
+      "\u001b[1m\u001b[31mError: Definition file cannot be read: Loading of file content not supported.\u001b[0m",
+      "\u001b[1m\u001b[31m\tat de.prob.scripting.ClassicalBFactory.parseString(ClassicalBFactory.java:137)\u001b[0m",
+      "\u001b[1m\u001b[31m\tat de.prob.scripting.ClassicalBFactory.create(ClassicalBFactory.java:55)\u001b[0m",
+      "\u001b[1m\u001b[31m\tat de.prob2.jupyter.commands.LoadCellCommand.run(LoadCellCommand.java:49)\u001b[0m",
+      "\u001b[1m\u001b[31m\tat de.prob2.jupyter.ProBKernel.executeCellCommand(ProBKernel.java:98)\u001b[0m",
+      "\u001b[1m\u001b[31m\tat de.prob2.jupyter.ProBKernel.eval(ProBKernel.java:168)\u001b[0m",
+      "\u001b[1m\u001b[31m\tat io.github.spencerpark.jupyter.kernel.BaseKernel.handleExecuteRequest(BaseKernel.java:282)\u001b[0m",
+      "\u001b[1m\u001b[31m\tat io.github.spencerpark.jupyter.channels.ShellChannel.lambda$bind$0(ShellChannel.java:50)\u001b[0m",
+      "\u001b[1m\u001b[31m\tat java.lang.Thread.run(Thread.java:748)\u001b[0m",
+      "\u001b[1m\u001b[31m\tat io.github.spencerpark.jupyter.channels.Loop.run(Loop.java:39)\u001b[0m"
+     ]
+    }
+   ],
+   "source": [
+    "::load\n",
+    "MACHINE Jupyter\n",
+    "    DEFINITIONS \"LibraryMeta.def\"; \"LibraryStrings.def\"\n",
+    "END"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The following works:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[2018-05-11 13:00:45,807, T+140434] \"Shell-0\" de.prob.cli.PrologProcessProvider.makeProcess(PrologProcessProvider.java:64): [INFO] Starting ProB's Prolog Core. Path is /Users/leuschel/.prob/prob2-3.2.10-SNAPSHOT/probcli.sh\n",
+      "[2018-05-11 13:00:46,966, T+141593] \"Shell-0\" de.prob.cli.PortPattern.setValue(PortPattern.java:30): [INFO] Server has started and listens on port 61424\n",
+      "[2018-05-11 13:00:46,967, T+141594] \"Shell-0\" de.prob.cli.InterruptRefPattern.setValue(InterruptRefPattern.java:29): [INFO] Server can receive user interrupts via reference 40164\n",
+      "[2018-05-11 13:00:46,973, T+141600] \"ProB Output Logger for instance 4dadeb3e\" de.prob.cli.ProBInstance.readAndLog(ConsoleListener.java:48): [INFO] -- starting command loop --\u001b[0m\n",
+      "[2018-05-11 13:00:46,997, T+141624] \"ProB Output Logger for instance 4dadeb3e\" de.prob.cli.ProBInstance.readAndLog(ConsoleListener.java:48): [INFO] Connected: 127.0.0.1\u001b[0m\n",
+      "[2018-05-11 13:00:47,107, T+141734] \"ProB Output Logger for instance 4dadeb3e\" de.prob.cli.ProBInstance.readAndLog(ConsoleListener.java:48): [INFO] loading_classical_b(parser_version(2018-04-11 12:07:37.302),Jupyter,[/Users/leuschel/git_root/JAVAPROB/prob2-jupyter-kernel/notebooks/tests])\u001b[0m\n"
+     ]
+    },
+    {
+     "data": {
+      "text/plain": [
+       "Loaded machine: Jupyter : []\n"
+      ]
+     },
+     "execution_count": 2,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "::load\n",
+    "MACHINE Jupyter\n",
+    "DEFINITIONS\n",
+    "   EXTERNAL_FUNCTION_PROB_INFO_STR == STRING --> STRING;\n",
+    "   PROB_INFO_STR(info_field_name) == \"\"\n",
+    "END"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "\"1.8.1-beta4\""
+      ]
+     },
+     "execution_count": 3,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "PROB_INFO_STR(\"prob-version\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "\"1.8.0_152-b16\""
+      ]
+     },
+     "execution_count": 4,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "PROB_INFO_STR(\"java-version\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "\"363372b41a2862e778657c124d58da965a3bdaf0\""
+      ]
+     },
+     "execution_count": 7,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "PROB_INFO_STR(\"prob-revision\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "metadata": {},
+   "outputs": [
+    {
+     "ename": "UserErrorException",
+     "evalue": "Computation not completed: Unknown identifier \"PROB_STATISTICS\"",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[1m\u001b[31mComputation not completed: Unknown identifier \"PROB_STATISTICS\"\u001b[0m"
+     ]
+    }
+   ],
+   "source": [
+    "PROB_STATISTICS(\"states\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "PROB_STATISTICS(\"prolog-memory-bytes-used\")"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The following fails because Java parser not available from within probcli:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[2018-05-11 13:01:48,465, T+203092] \"ProB Output Logger for instance 4dadeb3e\" de.prob.cli.ProBInstance.readAndLog(ConsoleListener.java:48): [INFO] \u001b[31m\u001b[1m! An error occurred !\u001b[0m\n",
+      "[2018-05-11 13:01:48,466, T+203093] \"ProB Output Logger for instance 4dadeb3e\" de.prob.cli.ProBInstance.readAndLog(ConsoleListener.java:48): [INFO] \u001b[0m\u001b[31m\u001b[1m! source(parsercall)\u001b[0m\n",
+      "[2018-05-11 13:01:48,466, T+203093] \"ProB Output Logger for instance 4dadeb3e\" de.prob.cli.ProBInstance.readAndLog(ConsoleListener.java:48): [INFO] \u001b[0m\u001b[31m\u001b[1m! Unexpected error while parsing machine: \u001b[0m\n",
+      "[2018-05-11 13:01:48,467, T+203094] \"ProB Output Logger for instance 4dadeb3e\" de.prob.cli.ProBInstance.readAndLog(ConsoleListener.java:48): [INFO] \u001b[0m\u001b[31m\u001b[1m! An error occurred !\u001b[0m\n",
+      "[2018-05-11 13:01:48,467, T+203094] \"ProB Output Logger for instance 4dadeb3e\" de.prob.cli.ProBInstance.readAndLog(ConsoleListener.java:48): [INFO] \u001b[0m\u001b[31m\u001b[1m! source(parsercall)\u001b[0m\n",
+      "[2018-05-11 13:01:48,468, T+203095] \"ProB Output Logger for instance 4dadeb3e\" de.prob.cli.ProBInstance.readAndLog(ConsoleListener.java:48): [INFO] \u001b[0m\u001b[31m\u001b[1m! Additional information:  Error: Could not find or load main class de.prob.cliparser.CliBParser\u001b[0m\n",
+      "[2018-05-11 13:01:48,469, T+203096] \"ProB Output Logger for instance 4dadeb3e\" de.prob.cli.ProBInstance.readAndLog(ConsoleListener.java:48): [INFO] \u001b[0m\u001b[31m\u001b[1m! An error occurred !\u001b[0m\n",
+      "[2018-05-11 13:01:48,469, T+203096] \"ProB Output Logger for instance 4dadeb3e\" de.prob.cli.ProBInstance.readAndLog(ConsoleListener.java:48): [INFO] \u001b[0m\u001b[31m\u001b[1m! source(internal_error(parsercall))\u001b[0m\n",
+      "[2018-05-11 13:01:48,470, T+203097] \"ProB Output Logger for instance 4dadeb3e\" de.prob.cli.ProBInstance.readAndLog(ConsoleListener.java:48): [INFO] \u001b[0m\u001b[31m\u001b[1m! Java B parser (probcliparser.jar) is missing from lib directory in:  /Users/leuschel/.prob/prob2-3.2.10-SNAPSHOT/\u001b[0m\n"
+     ]
+    },
+    {
+     "ename": "UserErrorException",
+     "evalue": "NOT-WELL-DEFINED: \nUnexpected error while parsing machine: \n\n\nAdditional information:  Error: Could not find or load main class de.prob.cliparser.CliBParser\n\n\nJava B parser (probcliparser.jar) is missing from lib directory in:  /Users/leuschel/.prob/prob2-3.2.10-SNAPSHOT/\n\n",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[1m\u001b[31mNOT-WELL-DEFINED: \u001b[0m",
+      "\u001b[1m\u001b[31mUnexpected error while parsing machine: \u001b[0m",
+      "\u001b[1m\u001b[31m\u001b[0m",
+      "\u001b[1m\u001b[31m\u001b[0m",
+      "\u001b[1m\u001b[31mAdditional information:  Error: Could not find or load main class de.prob.cliparser.CliBParser\u001b[0m",
+      "\u001b[1m\u001b[31m\u001b[0m",
+      "\u001b[1m\u001b[31m\u001b[0m",
+      "\u001b[1m\u001b[31mJava B parser (probcliparser.jar) is missing from lib directory in:  /Users/leuschel/.prob/prob2-3.2.10-SNAPSHOT/\u001b[0m"
+     ]
+    }
+   ],
+   "source": [
+    "PROB_INFO_STR(\"parser-version\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "ProB 2",
+   "language": "prob",
+   "name": "prob2"
+  },
+  "language_info": {
+   "file_extension": ".prob",
+   "mimetype": "text/x-prob",
+   "name": "prob"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}

todo.txt

@@ -5,7 +5,10 @@
 ## version
 Print out version of probcli running.
 --> this could be implemented by allowing access to external functions in Jupyter
-    PROB_INFO_STR("prob-version") would then return this information
+    PROB_INFO_STR("prob-version") would then return this information.
+    To enable this one would need to load a machine
+    MACHINE Jupyter
+    DEFINITIONS "LibraryMeta.def"; "LibraryStrings.def" END
     
 ## z3/cvc4/kodkod:
 Allow predicates to be evaluated with an alternate backend
@@ -46,3 +49,27 @@ similar to :exec or -animate Nr probcli REPL commands
 
 ### allow to execute other dot commands
 i.e., machine hierarchy, ...
+
+
+# Issues
+
+## stdlib contents not available to ProB2 parser
+
+::load
+MACHINE Jupyter
+    DEFINITIONS "LibraryMeta.def"; "LibraryStrings.def"
+END
+
+generates
+
+de.prob.exception.ProBError: ProB returned error messages:
+Error: Definition file cannot be read: Loading of file content not supported.
+	at de.prob.scripting.ClassicalBFactory.parseString(ClassicalBFactory.java:137)
+	at de.prob.scripting.ClassicalBFactory.create(ClassicalBFactory.java:55)
+	at de.prob2.jupyter.commands.LoadCellCommand.run(LoadCellCommand.java:49)
+	at de.prob2.jupyter.ProBKernel.executeCellCommand(ProBKernel.java:98)
+	at de.prob2.jupyter.ProBKernel.eval(ProBKernel.java:168)
+	at io.github.spencerpark.jupyter.kernel.BaseKernel.handleExecuteRequest(BaseKernel.java:282)
+	at io.github.spencerpark.jupyter.channels.ShellChannel.lambda$bind$0(ShellChannel.java:50)
+	at java.lang.Thread.run(Thread.java:748)
+	at io.github.spencerpark.jupyter.channels.Loop.run(Loop.java:39)
\ No newline at end of file