JavaScript grammar has it's peculiarities. Program "{ value: {a:
[1,2,3,4,5,6]} }" is parsed not as object literal but as block
statement with labeled block statement inside; where inner block
statement contains labeled expression statement (so value and a are
become labels, not property names).
You have to enclose top level expression like that in parenthesis if
you want to ensure that it is parsed as an expression.
--
Vyacheslav Egorov
On Mon, Mar 5, 2012 at 1:02 PM, fdmanana <[email protected]> wrote:
> Hi,
>
> When trying to evaluate the following object expression in the shell,
> I get a syntax error:
>
> $ v8
> V8 version 3.8.9 [sample shell]
>> { value: {a: [1,2,3,4,5,6], b: 1} }
> (shell):1: SyntaxError: Unexpected token :
> { value: {a: [1,2,3,4,5,6], b: 1} }
> ^
> SyntaxError: Unexpected token :
>
> The syntax seems correct to me.
> Node.js's shell for e.g. doesn't complain about it:
>
> $ node
>> { value: {a: [1,2,3,4,5,6], b: 1} }
> { value: { a: [ 1, 2, 3, 4, 5, 6 ], b: 1 } }
>>
>
> If I remove the second property of the inner object it works:
>
> $ v8
>> { value: {a: [1,2,3,4,5,6]} }
> 1,2,3,4,5,6
>>
>
> Evaluating the code via v8::Script::Compile also produces the same
> error.
>
> I'm using V8 version 3.8.9 installed via HomeBrew on Mac OS X 10.7.3.
>
> Thanks.
>
> --
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