Bug 1582895 - Minor irrelevant jorendb tweaks r=jonco

Differential Revision: https://phabricator.services.mozilla.com/D46686

js/examples/jorendb.js

@@ -79,15 +79,17 @@ function debuggeeValueToString(dv, style) {
     if (!style.pretty || (typeof dv !== 'object'))
         return [dvrepr, undefined];
 
+    const exec = debuggeeGlobalWrapper.executeInGlobalWithBindings.bind(debuggeeGlobalWrapper);
+
     if (dv.class == "Error") {
-        let errval = debuggeeGlobalWrapper.executeInGlobalWithBindings("$$.toString()", debuggeeValues);
+        let errval = exec("$$.toString()", debuggeeValues);
         return [dvrepr, errval.return];
     }
 
     if (style.brief)
         return [dvrepr, JSON.stringify(summaryObject(dv), null, 4)];
 
-    let str = debuggeeGlobalWrapper.executeInGlobalWithBindings("JSON.stringify(v, null, 4)", {v: dv});
+    let str = exec("JSON.stringify(v, null, 4)", {v: dv});
     if ('throw' in str) {
         if (style.noerror)
             return [dvrepr, undefined];
@@ -226,9 +228,11 @@ function describedRv(r, desc) {
 
 // Rerun the program (reloading it from the file)
 function runCommand(args) {
-    print("Restarting program");
+    print(`Restarting program (${args})`);
     if (args)
         activeTask.scriptArgs = parseArgs(args);
+    else
+        activeTask.scriptArgs = [...actualScriptArgs];
     rerun = true;
     for (var f = topFrame; f; f = f.older) {
         if (f.older) {
@@ -847,7 +851,7 @@ print("jorendb: scriptArgs = " + scriptArgs);
 print("jorendb: actualScriptArgs = " + actualScriptArgs);
 
 for (var task of todo) {
-    task['scriptArgs'] = actualScriptArgs;
+    task['scriptArgs'] = [...actualScriptArgs];
 }
 
 // Always drop into a repl at the end. Especially if the main script throws an