Re: How to Implement a BNF syntax in perl?

[wolf blaum]

For Quality purpouses, Balaji Thoguluva 's mail on Friday 06 February 2004 
18:49 may have been monitored or recorded as:

> Hi,

Hi
> I have a long BNF (Backus-naur form) for parsing a protocol message.
> Suppose I want to implement a BNF like this
>
> Response = Status-line
>*(message-header)
>CRLF
>[Message-body]
>
> status-Line = SIP-Version SP Status-Code SP Reason-Phrase CRLF
> SP = space character
> ..
> .
>
> Like this I have a very long BNF. How can I implement this BNF and 
> parse a message that satisfies this BNF in perl ? Any suggestions would be
> of great help to me.

Maybe Config::Natural is good to you.

Wolf


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Re: How to Implement a BNF syntax in perl?

[Randy W. Sims]

On 02/06/04 12:49, Balaji Thoguluva wrote:
Hi,
 
I have a long BNF (Backus-naur form) for parsing a protocol message. Suppose I want to implement a BNF like this
 
Response = Status-line
   *(message-header)
   CRLF
   [Message-body]
 
status-Line = SIP-Version SP Status-Code SP Reason-Phrase CRLF
SP = space character
..
.
 
Like this I have a very long BNF. How can I implement this BNF and  parse a message that satisfies this BNF in perl ?
Any suggestions would be of great help to me. 
Have you looked at Parse::RecDescent:

Randy.

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How to Implement a BNF syntax in perl?

[Balaji Thoguluva]

Hi,
 
I have a long BNF (Backus-naur form) for parsing a protocol message. Suppose I 
want to implement a BNF like this
 
Response = Status-line
   *(message-header)
   CRLF
   [Message-body]
 
status-Line = SIP-Version SP Status-Code SP Reason-Phrase CRLF
SP = space character
..
.
 
Like this I have a very long BNF. How can I implement this BNF and  parse a 
message that satisfies this BNF in perl ?
Any suggestions would be of great help to me. 
 
Thanks,
Balaji 

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