Re: [racket-users] RE: infix notation embedded in Racket

2015-04-25 Thread Jens Axel Søgaard
2015-04-24 18:32 GMT+02:00 Jens Axel Søgaard :

>
>
> 2015-04-24 18:25 GMT+02:00 Jos Koot :
>
>>  Hi Jens Axel,
>>
>> Thanks for replying and explaining.
>>
>> Can you discriminate between a+b and |a+b| or a|+|b?
>>
>> When I get around to adding |...| identifiers to the lexer, it will work
> like this:
>
>   "a+b"   will be parsed as (+ a b)
>   "|a+b|"  as a+b(a single identifier)
>   "a|+|b"  will be passed as (+ a b)
>

I forgot to mention that the infix reader already reads  foo_bar as foo-bar.
I.e. the most common symbols are easily accessible already.

/Jens Axel

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RE: [racket-users] RE: infix notation embedded in Racket

2015-04-24 Thread Jos Koot
Sorry, it was me that was not following.
After looking into your source main.ss I found out how to use macro $.
Looked into some of your other source files too.
Impressive.
Thanks, Jos

 
  _  

From: jensaxelsoega...@gmail.com [mailto:jensaxelsoega...@gmail.com] On
Behalf Of Jens Axel Søgaard
Sent: viernes, 24 de abril de 2015 18:32
To: Jos Koot
Cc: racket-users@googlegroups.com
Subject: Re: [racket-users] RE: infix notation embedded in Racket




2015-04-24 18:25 GMT+02:00 Jos Koot :



Hi Jens Axel,
 
Thanks for replying and explaining.
 
Can you discriminate between a+b and |a+b| or a|+|b?


When I get around to adding |...| identifiers to the lexer, it will work
like this:

  "a+b"   will be parsed as (+ a b)
  "|a+b|"  as a+b(a single identifier)
  "a|+|b"  will be passed as (+ a b)


I don't see how without using a language with it's own key-binding for |.



I am not following. The $ macro can be required into any language?. 

/Jens Axel


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Re: [racket-users] RE: infix notation embedded in Racket

2015-04-24 Thread Jens Axel Søgaard
2015-04-24 18:25 GMT+02:00 Jos Koot :

>  Hi Jens Axel,
>
> Thanks for replying and explaining.
>
> Can you discriminate between a+b and |a+b| or a|+|b?
>
> When I get around to adding |...| identifiers to the lexer, it will work
like this:

  "a+b"   will be parsed as (+ a b)
  "|a+b|"  as a+b(a single identifier)
  "a|+|b"  will be passed as (+ a b)

I don't see how without using a language with it's own key-binding for |.
>

I am not following. The $ macro can be required into any language?.

/Jens Axel

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