Re: [Bug-indent] indent mangles trigraphs

[david ingamells]

Anton,
Seems that it's a problem with the tool. Handling trigraphs has probably not 
been properly inplemented - they are a more recent addition to the language 
than indent originally supported, so the extension to indent has probably not 
happened yet. I'll take a look - it must be annoying having to work with such 
a handicapped machine! I'm glad I've been able to stick to Unices in recent 
years.

Have you thought about a preprocessor for the C code that translates "[" into 
"??(" that you can run your code through before/during compilation on the 
OS/370? It might make your coding work easier.

On Thursday 16 May 2002 5:14 pm, address@hidden wrote:
> L.S.:
>
> Indent destroys trigraphs, like:
> "??(" for '[' and "??)" for '] ',
> by putting spaces before the question marks and opening parenthesis.
> I need trigraphs because OS/390 doesn't know brackets.
>
> e.g.:
> ===================================================================
> $ cat tstf3.c
> {
>     MQCHAR cChannelName??(MQ_CHANNEL_NAME_LENGTH + 1??) = "\0";
>
>     pUAS = (UserAreaStruct *) & (ChannelDef_ptr->SecurityUserData??(0??));
> }
>
> $ indent -gnu tstf3.c
> $ cat tstf3.c
> {
>   MQCHAR cChannelName ? ? (MQ_CHANNEL_NAME_LENGTH + 1 ? ?) = "\0";
>
>   pUAS = (UserAreaStruct *) & (ChannelDef_ptr->SecurityUserData ? ? (0 ?
> ?)); }
>
>
> $ cat $tstf3b.c
> {
>     MQCHAR cChannelName??(MQ_CHANNEL_NAME_LENGTH + 1??) = "\0";
>
>     pUAS = (UserAreaStruct *) & (ChannelDef_ptr->SecurityUserData??(0??));
> }
>
> $ indent -bap -bad -bli0 -nbc -npsl -di1 -i4 -ci4 -npcs -ss -c40 -cd40 -cp1
> -ts4 -sob -nlp tstf3b.c $ cat tstf3b.c
> {
>  MQCHAR cChannelName ? ? (MQ_CHANNEL_NAME_LENGTH + 1 ? ?) = "\0";
>
>  pUAS =
>    (UserAreaStruct *) & (ChannelDef_ptr->SecurityUserData ? ? (0 ? ?));
> }
> ===========================================================================
>====
>
> Can you specify which option (if any) touches the '?'s ?  Apparently it is
> not "-pcs" which is part of "-gnu" and that puts a space between a function
> call name and the '(' : because in my second example I specify "-npcs" with
> the same results.
>
> BTW we use GNU indent here because we have a wide range of different
> platforms, and each vendor's tool works a bit differently; so we try using
> one that is portable.
>
> Thanx,
>
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-- 
David Ingamells
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