Issue 4353 - Remove non standard for each syntax

utils/cleanast.js

Index: utils/cleanast.js
diff --git a/utils/cleanast.js b/utils/cleanast.js
index 3aac61818ae171ad8cbe8b06890a183d5ce1672c..7a1b144e72f76491e5be5bd8485bfa4817ce137b 100644
--- a/utils/cleanast.js
+++ b/utils/cleanast.js
@@ -24,7 +24,7 @@ function clean_ast(ast) {
     code: []
   };
 
-  for each (let statement in ast.kids) {
+  for (let statement of ast.kids) {
     if (statement.op == JSOP_DEFVAR) {
       let ret = make_variables(statement);
       info.variables = info.variables.concat(ret.vars);
@@ -54,7 +54,7 @@ function visit(root_ast, func, to_expand) {
     if (ast == null)
       return;
     if (func(ast)) return;
-    for each (let child in ast.kids)
+    for (let child of ast.kids)
       v_r(child, func);
   }
 
@@ -66,9 +66,9 @@ function visit(root_ast, func, to_expand) {
       ast.expanded = true;
     }
     let sanitized_ast = { kids: [] };
-    for (let key in ast) {
+    for (let key of ast) {
       if (key == 'kids') {
-        for each (let kid in ast.kids) {
+        for (let kid of ast.kids) {
           sanitized_ast.kids.push(sanitize(kid));
         }
       } else {
@@ -157,7 +157,7 @@ function make_variables(var_root) {
   assert(var_root.op == JSOP_DEFVAR || var_root.op == JSOP_DEFCONST);
   let variables = [];
   let objects = [];
-  for each (let name in var_root.kids) {
+  for (let name of var_root.kids) {
     let v = { name: name.atom };
     v.init = (name.kids.length > 0 ? name.kids[0] : null);
     v.loc = get_location(var_root);
@@ -179,10 +179,10 @@ function make_object(stub) {
   let proto = stub.init.op == JSOP_GETPROP && stub.init.atom == 'prototype';
   delete stub['init'];
   if (proto) {
-	  stub.inherits = [ast.kids[0].atom];
-	  return stub;
+    stub.inherits = [ast.kids[0].atom];
+    return stub;
   }
-  for each (let init in ast.kids) {
+  for (let init of ast.kids) {
     if (init.type != TOK_COLON) {
       dump_ast(init);
     }