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| [ANN] RE/flex 0.9.18 - a Flex-like lexical analyzer generator for C++ ravengelen@gmail.com (Robert van Engelen) (2017-03-27) |
| Re: [ANN] RE/flex 0.9.18 - a Flex-like lexical analyzer generator for cbergstrom@pathscale.com (=?UTF-8?B?QyBCZXJnc3Ryw7Zt?=) (2017-03-28) |
| Re: [ANN] RE/flex 0.9.18 - a Flex-like lexical analyzer generator for 336-986-7787@kylheku.com (Kaz Kylheku) (2017-03-28) |
| Re: [ANN] RE/flex 0.9.18 - a Flex-like lexical analyzer generator for DrDiettrich1@netscape.net (Hans-Peter Diettrich) (2017-03-29) |
| Re: [ANN] RE/flex 0.9.18 - a Flex-like lexical analyzer generator for 336-986-7787@kylheku.com (Kaz Kylheku) (2017-03-29) |
| From: | Kaz Kylheku <336-986-7787@kylheku.com> |
| Newsgroups: | comp.compilers |
| Date: | Wed, 29 Mar 2017 06:42:24 +0000 (UTC) |
| Organization: | Aioe.org NNTP Server |
| References: | 17-03-013 17-03-014 17-03-015 17-03-016 |
| Injection-Info: | miucha.iecc.com; posting-host="news.iecc.com:2001:470:1f07:1126:0:676f:7373:6970"; logging-data="14193"; mail-complaints-to="abuse@iecc.com" |
| Keywords: | lex |
| Posted-Date: | 29 Mar 2017 10:35:40 EDT |
On 2017-03-29, Hans-Peter Diettrich <DrDiettrich1@netscape.net> wrote:
> Am 28.03.2017 um 19:32 schrieb Kaz Kylheku:
>
>> A nice feature in Flex might be parametrized named regexes:
>>
>> You know how we can define
>>
>> ALF [A-Z]+
>>
>> and later use
>>
>> {ALF}
> [...]
>
> This reminds me of CoCo/R, where such constructs and extensions are
> available since decades.
The above snippet refers to a feature of Lex that is already
described in the original 1975 paper "Lex --- A Lexical Analyzer Generator"
by M. E. Lesk and E. Schmidt.
It should probably remind everyone of, oh, #define ALF.
The extension I proposed is on the level of #define MAC(X).
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