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[Daniele Filaretti <dfilaretti AT gmail.com>]

Hi all,
here is another question for you K hackers! 

Let say my grammar contains something that looks like 

> syntax Exp ::= 
>    …
>    | Id "(" Exps ")" // function call
>    | Exp "[" Exp "]"  [seqstrict] // reading a field from an array (the 
> first Exp must evaluate to an array value, the second to a key value)
>    …

and suppose I write a function, "foo()" that returns an array. Now, if in my 
program I write something like 

> foo()[0];

I get a parsing error:

> [Error] Critical: Parse error: Syntax error near unexpected character ';'
>       File: test.php
>       Location: (5,9,5,9)

 
As an experiment, I tried to add

> syntax Exp ::= "(" Exp ")" [bracket]

and then, if I evaluate

> (foo())[0]:


it works! 

Am I missing something or is a parsing problem? 

Thanks a lot!

Cheers, 
Daniele