On Mon, Jul 18, 2022, 10:07 AM Philipp Klaus Krause <p...@spth.de> wrote:
> Am 18.07.22 um 17:03 schrieb Tony Pavlov via Sdcc-user: > > Hello Philipp, > > > > Monday, July 18, 2022, 5:52:09 PM, you wrote: > > > > PKK> $ in identifiers is a somewhat disputed topic (C++ disallows them, > C historically left it implementation-defined, future C2X is still unclear). > > PKK> So I wonder if SDCC users do use $ in identifiers. > > > > i am not sure about the C identifiers, but they are widely used in the > debug info symbols, generated by SDCC. > > i kindly ask not to break that debug info functionality. > > > > probably in the identifiers that are visible from C they are not needed. > > > > also $ symbol is used in the inline assembly (reusable labels), so in > the inline asm in __asm / __endasm form > > they are very common. > > > > For now, I was only wondering about the use of $ in C identifiers. What > is allowed int he assembler is a different story (though IMO the > identifiers allowed in C should be a subset of those allowed in the > assembler for straightforward implementation). > Historically, $ has been allowed for C identifiers on VMS/RMS to allow OS calls which had $ in them. And for porting code written there. Since it's so unportable I'm not sure how relevant it is. Warner Philipp > > > _______________________________________________ > Sdcc-user mailing list > Sdcc-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/sdcc-user >
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