From: Jaydeep Das <jaydeepjd.8914@gmail.com>
To: Johannes Sixt <j6t@kdbg.org>
Cc: git@vger.kernel.org
Subject: Re: [PATCH] userdiff: add builtin driver for kotlin language
Date: Fri, 4 Mar 2022 17:58:15 +0530 [thread overview]
Message-ID: <90596af6-0158-beb9-7fa7-9237e7cff4fb@gmail.com> (raw)
In-Reply-To: <c1298c9d-0f4a-40b8-b337-896f4d4777f3@kdbg.org>
On 3/4/22 01:34, Johannes Sixt wrote:
> Am 03.03.22 um 12:41 schrieb Jaydeep Das:
>> How about modifying the number match regex to:
>>
>> `[0-9._]+([Ee][-+]?[0-9]+)?[fFlLuU]*[^a-zA-Z]` ?
>>
>> The `[^a-zA-Z]` in the end would make sure to not match
>> the `.F` in `X.Find`.
> No, you cannot do that, because then in X.u+1 you have three tokens X
> .u+ 1, which you do not want, either.
If X is an integer here, then
In C/C++ 2.f is equivalent to 2.000000
However in Kotlin 2.f is invalid syntax. 2.0f is valid.
So is implementing a proper regex for invalid syntax really
necessary?
> But then you can use the regex you had in the first round:
>
> [a-zA-Z_][a-zA-Z0-9_]*
Right. I will change that.
>> Numbers: `[0-9_.]+([Ee][-+]?[0-9]+)?[fFlLuU]*[^a-zA-Z]`
>> (It makes sure that in X.Find, .F is not matched )
>>
>> Additionally, An extra regex for method calls:
>>
>> `[.][a-zA-Z()0-9]+`
>>
>> What do you think?
>
> Have a look at the regex in the cpp driver. I think we need something
> like this:
>
> /* integers floatingpoint numbers */
> "|[0-9][0-9_.]*([Ee][*-]?[0-9]+)?[FfLl]*"
> /* floatingpoint numbers that begin with a decimal point */
> "|[.][0-9][0-9_]*([Ee][*-]?[0-9]+)?[FfLl]*"
> Drop the second option if numbers such as .5 are invalid syntax in Kotlin.
.5 is valid syntax in Kotlin.
--
Thanks,
Jaydeep.
next prev parent reply other threads:[~2022-03-04 12:28 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-01 7:02 [GSoC][PATCH] userdiff: Add diff driver for Kotlin lang and tests Jaydeep P Das
2022-03-01 7:02 ` [PATCH] " Jaydeep P Das
2022-03-01 9:32 ` Junio C Hamano
2022-03-01 9:37 ` Ævar Arnfjörð Bjarmason
2022-03-01 10:27 ` jaydeepjd.8914
2022-03-01 15:54 ` [PATCH] userdiff: add builtin diff driver for Kotlin language Jaydeep P Das
2022-03-01 17:17 ` Junio C Hamano
2022-03-01 18:09 ` jaydeepjd.8914
2022-03-01 19:59 ` Johannes Sixt
2022-03-01 19:47 ` Johannes Sixt
2022-03-02 6:45 ` [GSoC][PATCHv2] userdiff: add builtin driver for kotlin language Jaydeep P Das
2022-03-02 6:45 ` [PATCH] " Jaydeep P Das
2022-03-02 8:00 ` Johannes Sixt
2022-03-02 9:09 ` jaydeepjd.8914
2022-03-02 9:28 ` jaydeepjd.8914
2022-03-02 14:26 ` [GSoC][PATCHv3] " Jaydeep P Das
2022-03-02 14:26 ` [PATCH] " Jaydeep P Das
2022-03-02 20:18 ` Johannes Sixt
2022-03-03 11:41 ` Jaydeep Das
2022-03-03 16:54 ` Ævar Arnfjörð Bjarmason
2022-03-03 19:47 ` Junio C Hamano
2022-03-03 20:04 ` Johannes Sixt
2022-03-04 12:28 ` Jaydeep Das [this message]
2022-03-04 13:59 ` Johannes Sixt
2022-03-03 18:15 ` [PATCH] userdiff: add builtin diff driver for Kotlin language Jaydeep P Das
2022-03-04 2:44 ` Junio C Hamano
2022-03-04 5:16 ` jaydeepjd.8914
2022-03-04 7:25 ` Johannes Sixt
2022-03-05 9:40 ` [PATCH v4] " Jaydeep P Das
2022-03-05 14:17 ` Johannes Sixt
2022-03-05 19:18 ` jaydeepjd.8914
2022-03-05 22:17 ` Johannes Sixt
2022-03-06 11:15 ` [PATCH v5] userdiff: add builtin diff driver for kotlin language Jaydeep P Das
2022-03-07 7:07 ` Johannes Sixt
2022-03-08 16:54 ` jaydeepjd.8914
2022-03-08 18:32 ` Johannes Sixt
2022-03-10 10:52 ` jaydeepjd.8914
2022-03-10 16:29 ` Jaydeep Das
2022-03-10 19:11 ` Johannes Sixt
2022-03-11 7:27 ` [PATCH v6] " Jaydeep P Das
2022-03-11 20:07 ` Johannes Sixt
2022-03-12 4:36 ` jaydeepjd.8914
2022-03-12 8:36 ` Johannes Sixt
2022-03-12 4:48 ` [PATCH v7] " Jaydeep P Das
2022-03-12 8:59 ` Johannes Sixt
2022-03-13 17:02 ` jaydeepjd.8914
2022-03-13 17:09 ` jaydeepjd.8914
2022-03-13 21:36 ` Johannes Sixt
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