From c3fe29455bc26c842ce3ca04f5ffc46dfebe2499 Mon Sep 17 00:00:00 2001
From: Michael Ficarra <git@michael.ficarra.me>
Date: Thu, 11 Aug 2011 01:52:10 -0400
Subject: [PATCH] finishing up fix for #1009: class @do; it's a little bit
 ugly, but it makes sense to do it this way

---
 lib/coffee-script/lexer.js | 2 +-
 lib/coffee-script/nodes.js | 4 ++--
 src/lexer.coffee           | 2 +-
 src/nodes.coffee           | 2 +-
 test/classes.coffee        | 7 +++++--
 5 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/lib/coffee-script/lexer.js b/lib/coffee-script/lexer.js
index cd50b75d..2c6b3917 100644
--- a/lib/coffee-script/lexer.js
+++ b/lib/coffee-script/lexer.js
@@ -63,7 +63,7 @@
           }
         }
       }
-      if (__indexOf.call(JS_FORBIDDEN, id) >= 0) {
+      if (__indexOf.call(['eval', 'arguments'].concat(JS_FORBIDDEN), id) >= 0) {
         if (forcedIdentifier) {
           tag = 'IDENTIFIER';
           id = new String(id);
diff --git a/lib/coffee-script/nodes.js b/lib/coffee-script/nodes.js
index c13bf0bc..507f196d 100644
--- a/lib/coffee-script/nodes.js
+++ b/lib/coffee-script/nodes.js
@@ -333,8 +333,8 @@
       }
     };
     Literal.prototype.compileNode = function(o) {
-      var code;
-      code = this.isUndefined ? o.level >= LEVEL_ACCESS ? '(void 0)' : 'void 0' : this.value.reserved ? "\"" + this.value + "\"" : this.value;
+      var code, _ref2;
+      code = this.isUndefined ? o.level >= LEVEL_ACCESS ? '(void 0)' : 'void 0' : this.value.reserved && ((_ref2 = "" + this.value) !== 'eval' && _ref2 !== 'arguments') ? "\"" + this.value + "\"" : this.value;
       if (this.isStatement()) {
         return "" + this.tab + code + ";";
       } else {
diff --git a/src/lexer.coffee b/src/lexer.coffee
index 2f73c8b1..41c10c99 100644
--- a/src/lexer.coffee
+++ b/src/lexer.coffee
@@ -104,7 +104,7 @@ exports.Lexer = class Lexer
             @tokens.pop()
             id = '!' + id
 
-    if id in JS_FORBIDDEN
+    if id in ['eval', 'arguments'].concat JS_FORBIDDEN
       if forcedIdentifier
         tag = 'IDENTIFIER'
         id  = new String id
diff --git a/src/nodes.coffee b/src/nodes.coffee
index 05e8ad29..27ae002c 100644
--- a/src/nodes.coffee
+++ b/src/nodes.coffee
@@ -301,7 +301,7 @@ exports.Literal = class Literal extends Base
   compileNode: (o) ->
     code = if @isUndefined
       if o.level >= LEVEL_ACCESS then '(void 0)' else 'void 0'
-    else if @value.reserved
+    else if @value.reserved and "#{@value}" not in ['eval', 'arguments']
       "\"#{@value}\""
     else
       @value
diff --git a/test/classes.coffee b/test/classes.coffee
index 57b8f01d..ce933d69 100644
--- a/test/classes.coffee
+++ b/test/classes.coffee
@@ -501,8 +501,11 @@ test "#1464: bound class methods should keep context", ->
   eq nonce,  C.boundStaticColon().id
   eq nonce2, C.boundStaticEqual().id
 
-test "#1009: classes with reserved words as determined names", ->
-  eq 'function', typeof (-> class @for).call {}
+test "#1009: classes with reserved words as determined names", -> (->
+  eq 'function', typeof (class @for)
+  ok not /\beval\b/.test (class @eval).toString()
+  ok not /\barguments\b/.test (class @arguments).toString()
+).call {}
 
 test "#1482: classes can extend expressions", ->
   id = (x) -> x