From fbc86cde9da52f61e35d9dd976f70c4c70976e20 Mon Sep 17 00:00:00 2001
From: overlookmotel <theoverlookmotel@gmail.com>
Date: Tue, 7 Nov 2023 22:07:44 +0000
Subject: [PATCH] TODO

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 TODO.md | 68 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 TODO.md

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+# TODO
+
+* I think `arguments` needs to be added to reserved var names set if it's used in a function as an internal var, and also set as `isFrozenInternal`
+* Tests
+* Test for `"use strict"` directive in function not being moved up to outside `with ()`
+* Test for multiple `with ()`s between var and its binding
+* Test for `with ()` with no `{}` statement block
+* TODO comments
+* Deal with `with` in `eval()` - or is this done already?
+
+* Freeze `this`
+
+Mostly fixed now (except where `this` implicitly used by `super`) but needs tests.
+
+e.g. this produces wrong result:
+
+```js
+function f() {
+	with ({y: 1, this$0: {x: 2}}) {
+		return () => y + this.x;
+	}
+}
+module.exports = f.call({x: 1});
+```
+
+produces:
+
+```js
+module.exports = (this$0 => with$0 => {
+  with (with$0) return () => y + this$0.x;
+})({x: 1})({y: 1, this$0: {x: 2}});
+```
+
+* Fix `arguments`. e.g.:
+
+Now fixed I think, but need tests.
+
+```js
+function f() {
+	with ({}) {
+		return () => arguments[0];
+	}
+}
+module.exports = f(1);
+```
+
+produces:
+
+```js
+module.exports = (_arguments => (() => with$0 => {
+  with (with$0) return () => arguments[0];
+}).apply(0, _arguments))(function () {
+  return arguments;
+}(1))({});
+```
+
+Problem is `() => with$0` needs to be a full function `function () { return with$0 => { ... } }`.
+
+* Support interaction with const violations
+
+e.g. How to deal with this? Whether `x = 2` is a const violation depends on whether `obj` has a property called `x` or not.
+
+```js
+const x = 1;
+with (obj) {
+  module.exports = () => { x = 2; };
+}
+```