fix REPL #253

README.md

@@ -7,7 +7,7 @@
 [![npm](https://img.shields.io/badge/npm-1.0.0%E2%80%93beta.16-blue.svg)](https://www.npmjs.com/package/@jcubic/lips)
 ![1.0.0 Complete](https://img.shields.io/github/milestones/progress-percent/jcubic/lips/1?label=1.0.0%20Complete)
 [![Build and test](https://github.com/jcubic/lips/actions/workflows/build.yaml/badge.svg?branch=devel&event=push)](https://github.com/jcubic/lips/actions/workflows/build.yaml)
-[![Coverage Status](https://coveralls.io/repos/github/jcubic/lips/badge.svg?branch=devel&61cb7f36a3668cabc9125f4c4bce1141)](https://coveralls.io/github/jcubic/lips?branch=devel)
+[![Coverage Status](https://coveralls.io/repos/github/jcubic/lips/badge.svg?branch=devel&1eb2cfbcb9a646f24938a31ec46bbc33)](https://coveralls.io/github/jcubic/lips?branch=devel)
 [![Join Gitter Chat](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/jcubic/lips)
 ![NPM Download Count](https://img.shields.io/npm/dm/@jcubic/lips)
 ![JSDelivr Download count](https://img.shields.io/jsdelivr/npm/hm/@jcubic/lips)

bin/lips.js

@@ -203,14 +203,15 @@ const moduleURL = new URL(import.meta.url);
 const __dirname = path.dirname(moduleURL.pathname);
 const __filename = path.basename(moduleURL.pathname);
 const command_line = [];
-var interp = Interpreter('repl', {
+let last_line = '';
+const interp = Interpreter('repl', {
     stdin: InputPort(function() {
         return new Promise(function(resolve) {
             rl = readline.createInterface({
                 input: process.stdin,
                 output: process.stdout
             });
-            rl.question('', function(data) {
+            rl.question(last_line, function(data) {
                 resolve(data);
                 rl.close();
             });
@@ -222,6 +223,7 @@ var interp = Interpreter('repl', {
             x = this.get('repr')(x);
         }
         newline = !x.match(/\n$/);
+        last_line = x.split('\n').pop();
         process.stdout.write(x);
     }),
     // -------------------------------------------------------------------------