[loose parser] Make sure VariableDeclaration nodes have at least one decl

Closes marijnh/tern#255
2013-12-09 17:55:16 +01:00
parent e6ff440e9f
commit d973261940
1 changed files with 5 additions and 0 deletions
--- a/acorn_loose.js
+++ b/acorn_loose.js
@@ -484,6 +484,11 @@
      node.declarations.push(finishNode(decl, "VariableDeclarator"));
      if (!eat(tt.comma)) break;
    }
+    if (!node.declarations.length) {
+      var decl = startNode();
+      decl.id = dummyIdent();
+      node.declarations.push(finishNode(decl, "VariableDeclarator"));
+    }
    return finishNode(node, "VariableDeclaration");
  }