1 files changed, 70 insertions, 0 deletions
diff --git a/ports/javascript/wrapper.js b/ports/javascript/wrapper.js
new file mode 100644
index 000000000..6109de902
--- /dev/null
+++ b/ports/javascript/wrapper.js
@@ -0,0 +1,70 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017, 2018 Rami Ali
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+mp_js_init = Module.cwrap('mp_js_init', 'null', ['number']);
+mp_js_do_str = Module.cwrap('mp_js_do_str', 'null', ['string']);
+mp_js_init_repl = Module.cwrap('mp_js_init_repl', 'null', ['null']);
+mp_js_process_char = Module.cwrap('mp_js_process_char', 'number', ['number']);
+
+var MP_JS_EPOCH = (new Date()).getTime();
+
+if (typeof window === 'undefined' && require.main === module) {
+    var fs = require('fs');
+    var stack_size = 64 * 1024;
+    var contents = '';
+    var repl = true;
+
+    for (var i = 0; i < process.argv.length; i++) {
+        if (process.argv[i] === '-X' && i < process.argv.length - 1) {
+            if (process.argv[i + 1].includes('stack=')) {
+                stack_size = parseInt(process.argv[i + 1].split('stack=')[1]);
+                if (process.argv[i + 1].substr(-1).toLowerCase() === 'k') {
+                    stack_size *= 1024;
+                } else if (process.argv[i + 1].substr(-1).toLowerCase() === 'm') {
+                    stack_size *= 1024 * 1024;
+                }
+            }
+        } else if (process.argv[i].includes('.py')) {
+            contents += fs.readFileSync(process.argv[i], 'utf8');
+            repl = false;;
+        }
+    }
+    mp_js_init(stack_size);
+
+    if (repl) {
+        mp_js_init_repl();
+        process.stdin.setRawMode(true);
+        process.stdin.on('data', function (data) {
+            for (var i = 0; i < data.length; i++) {
+                if (mp_js_process_char(data[i])) {
+                    process.exit()
+                }
+            }
+        });
+    } else {
+        mp_js_do_str(contents);
+    }
+}