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Issue #2054 "{arguments}"

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Fixes error message: SyntaxError: variable name may not be "true"

Permits assigning to "arguments" and "eval" properties in
object literals.
This commit is contained in:
Gerald Lewis 2012-01-19 11:33:43 -05:00
parent 7c56da26f6
commit c3a8a4f81f
3 changed files with 10 additions and 3 deletions
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5
lib/coffee-script/nodes.js
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@ -1338,13 +1338,14 @@
Assign.name = 'Assign';
function Assign(variable, value, context, options) {
var name, _ref3;
var forbidden, name, _ref3;
this.variable = variable;
this.value = value;
this.context = context;
this.param = options && options.param;
this.subpattern = options && options.subpattern;
if (name = (_ref3 = this.variable.unwrapAll().value, __indexOf.call(STRICT_PROSCRIBED, _ref3) >= 0)) {
forbidden = (_ref3 = (name = this.variable.unwrapAll().value), __indexOf.call(STRICT_PROSCRIBED, _ref3) >= 0);
if (forbidden && this.context !== 'object') {
throw SyntaxError("variable name may not be \"" + name + "\"");
}
}

3
src/nodes.coffee
View file

@ -993,7 +993,8 @@ exports.Assign = class Assign extends Base
constructor: (@variable, @value, @context, options) ->
@param = options and options.param
@subpattern = options and options.subpattern
if name = @variable.unwrapAll().value in STRICT_PROSCRIBED
forbidden = (name = @variable.unwrapAll().value) in STRICT_PROSCRIBED
if forbidden and @context isnt 'object'
throw SyntaxError "variable name may not be \"#{name}\""
children: ['variable', 'value']

5
test/strict.coffee
View file

@ -117,6 +117,9 @@ test "`Future Reserved Word`s, `eval` and `arguments` restrictions", ->
check "++{keyword}"
check "{keyword}--"
check "--{keyword}"
destruct = (keyword, check = strict) ->
check "{#{keyword}}"
check "o = {#{keyword}}"
invoke = (keyword, check = strict) ->
check "#{keyword} yes"
check "do #{keyword}"
@ -134,6 +137,7 @@ test "`Future Reserved Word`s, `eval` and `arguments` restrictions", ->
for keyword in future
access keyword
assign keyword
destruct keyword
invoke keyword
fnDecl keyword
param keyword
@ -143,6 +147,7 @@ test "`Future Reserved Word`s, `eval` and `arguments` restrictions", ->
for keyword in ['eval', 'arguments']
access keyword, strictOk
assign keyword
destruct keyword, strictOk
invoke keyword, strictOk
fnDecl keyword
param keyword