[ragel-users] Bug in Go language when using %%{ write first_final; }%%

[Anton Ageev]

Thanks Adrian. I was not sure how to fix this problem properly.


On Sun, Dec 1, 2013 at 9:02 PM, Adrian Thurston <thurston at complang.org>wrote:

> I just pushed a fix to the ragel-6 branch.
>
> I am currently working on the go code generator in master (ragel-7).
>
> Adrian
> @ehdtee
>
>
> On 13-11-25 02:47 PM, Iñaki Baz Castillo wrote:
>
>> Hi, just a reminder of this bug as I expect it is just a minor detail :)
>>
>> 2013/11/12 Iñaki Baz Castillo<ibc at aliax.net>:
>>
>>> The following code in Go:
>>>
>>> -----------------
>>>    if cs != %%{ write first_final; }%% {
>>> -----------------
>>>
>>> generates the following lines in the .go file:
>>>
>>> -----------------
>>>    if cs !=
>>> // line 12549 "SDP.go"
>>> 461
>>> // line 79 "SDP.rl"
>>>   {
>>> -----------------
>>>
>>> This produces, of course, a syntax error in Go:
>>>
>>> sdp/SDP.go:12549: missing condition in if statement
>>> sdp/SDP.go:12549: cs != 461 evaluated but not used
>>>
>>>
>>>
>>> $ ragel -v
>>> Ragel State Machine Compiler version 6.8 Feb 2013
>>>
>>>
>>>
>>> --
>>> Iñaki Baz Castillo
>>> <ibc at aliax.net>
>>>
>>
>>
>>
>>
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-- 
WBR, Anton
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