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[TCS] Keywords [message #378502]

Tue, 17 July 2007 11:34

Eclipse User

Originally posted by: remi.viaux.mbda-systems.com

Hi,

My problem is that I want to identify two distincts entities which begin
with the same identifier.
Here is the code I want to parse :

typedef type name;
typedef struct { ... } name;

(it's the C declaration of type of course)

Is it possible to use a keyword composed by 2 words in the template ?
because something like this doesn't work :

template Typedef
: "typedef" type name
;

template Struct
: "typedef struct" -- or "typedef" "struct"
type name
;

Those templates always recognize a single typedef element.

Thanks for the help.

Remi Viaux

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Re: [TCS] Keywords [message #378506 is a reply to message #378502]

Wed, 18 July 2007 09:05

Frédéric Jouault

Messages: 572
Registered: July 2009

Senior Member

Hello,

"typedef struct" is not valid, but "typedef" "struct" is.

If you get no ambiguity warning from ANTLR then it should work.

Can you please check whether you have such messages or not?

Regards,

Frédéric Jouault

Remi Viaux wrote:
> Hi,
>
> My problem is that I want to identify two distincts entities which begin
> with the same identifier. Here is the code I want to parse :
>
> typedef type name;
> typedef struct { ... } name;
>
> (it's the C declaration of type of course)
>
> Is it possible to use a keyword composed by 2 words in the template ?
> because something like this doesn't work :
>
> template Typedef
> : "typedef" type name
> ;
>
> template Struct
> : "typedef struct" -- or "typedef" "struct"
> type name
> ;
>
> Those templates always recognize a single typedef element.
>
> Thanks for the help.
>
> Remi Viaux
>
>

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Re: [TCS] Keywords [message #378510 is a reply to message #378506]

Wed, 18 July 2007 09:28

Eclipse User

Originally posted by: remi.viaux.mbda-systems.com

Hi Frédéric,

"typedef" "struct" works !
I don't have any ambiguity warning from ANTLR.
Thanks.

Regards,

Remi Viaux

Frédéric Jouault wrote:

> Hello,

> "typedef struct" is not valid, but "typedef" "struct" is.

> If you get no ambiguity warning from ANTLR then it should work.

> Can you please check whether you have such messages or not?

> Regards,

> Frédéric Jouault

> Remi Viaux wrote:
>> Hi,
>>
>> My problem is that I want to identify two distincts entities which begin
>> with the same identifier. Here is the code I want to parse :
>>
>> typedef type name;
>> typedef struct { ... } name;
>>
>> (it's the C declaration of type of course)
>>
>> Is it possible to use a keyword composed by 2 words in the template ?
>> because something like this doesn't work :
>>
>> template Typedef
>> : "typedef" type name
>> ;
>>
>> template Struct
>> : "typedef struct" -- or "typedef" "struct"
>> type name
>> ;
>>
>> Those templates always recognize a single typedef element.
>>
>> Thanks for the help.
>>
>> Remi Viaux
>>
>>

Report message to a moderator