[erlang-questions] Problems with the Erlang grammar and yecc

[Alessandro Sivieri]

Hi,

thanks for your help!


On Wed, May 7, 2014 at 12:08 PM, Vlad Dumitrescu <vladdu55@REDACTED> wrote:

> Hi!
>
> The erl_parse.yrl grammar handles only one form at a time (the root symbol
> is 'form'). You have to split the input at 'dot' tokens and parse each of
> the resulting lists of tokens. I would recommend to use the erl_parse
> functions, they do some "massaging" of the tokens.
>
> regards,
> Vlad
>
>
>
> On Wed, May 7, 2014 at 11:58 AM, Alessandro Sivieri <
> alessandro.sivieri@REDACTED> wrote:
>
>> Hi,
>>
>> I was experimenting with yecc and the Erlang grammar (taken from stdlib
>> sources), but I got immediately stuck.
>>
>> I wrote a very simple module (e.g., a module defining one single
>> function), then I executed the following sequence of actions:
>>
>> * put the content of the module in a single string
>> * tokenize it using erl_scan
>> * parse it using the module generated by yecc
>>
>> If I follow this sequence of actions, I get the following error:
>>
>> {error,{2,erl_grammar,["syntax error before: ","'-'"]}}
>>
>> I think it gets stuck in the "export" definition, because if my module
>> contains only the "module" definition, I get no errors.
>>
>> Any idea?
>>
>> --
>> Sivieri Alessandro
>> alessandro.sivieri@REDACTED
>> http://sivieri.wordpress.com/
>>
>> _______________________________________________
>> erlang-questions mailing list
>> erlang-questions@REDACTED
>> http://erlang.org/mailman/listinfo/erlang-questions
>>
>>
>


-- 
Sivieri Alessandro
alessandro.sivieri@REDACTED
http://sivieri.wordpress.com/
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://erlang.org/pipermail/erlang-questions/attachments/20140507/b9ed7ac8/attachment.htm>