Add --expr, an option to parse a single expression (suitable for JSON)

2013-05-15 13:27:23 +03:00
parent caa8896a8a
commit ca3388cf5a
2 changed files with 14 additions and 5 deletions
--- a/lib/parse.js
+++ b/lib/parse.js
@@ -588,9 +588,10 @@ var ATOMIC_START_TOKEN = array_to_hash([ "atom", "num", "string", "regexp", "nam
 function parse($TEXT, options) {

    options = defaults(options, {
-        strict   : false,
-        filename : null,
-        toplevel : null
+        strict     : false,
+        filename   : null,
+        toplevel   : null,
+        expression : false
    });

    var S = {
@@ -1386,6 +1387,10 @@ function parse($TEXT, options) {
        return ret;
    };

+    if (options.expression) {
+        return expression(true);
+    }
+
    return (function(){
        var start = S.token;
        var body = [];