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devel / comp.lang.c / Re: Does anyone has samples of C code generated by CFront compiler?

SubjectAuthor
* Does anyone has samples of C code generated by CFront compiler?Thiago Adams
+* Re: Does anyone has samples of C code generated by CFront compiler?Scott Lurndal
|+* Re: Does anyone has samples of C code generated by CFront compiler?Thiago Adams
||`- Re: Does anyone has samples of C code generated by CFront compiler?Scott Lurndal
|`- Re: Does anyone has samples of C code generated by CFront compiler?bart c
+* Re: Does anyone has samples of C code generated by CFront compiler?Scott Lurndal
|`- Re: Does anyone has samples of C code generated by CFront compiler?Scott Lurndal
`- Re: Does anyone has samples of C code generated by CFront compiler?Kaz Kylheku

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Does anyone has samples of C code generated by CFront compiler?

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Subject: Does anyone has samples of C code generated by CFront compiler?
From: thiago.a...@gmail.com (Thiago Adams)
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 by: Thiago Adams - Wed, 17 Aug 2022 17:18 UTC

Does anyone has samples of C code generated by CFront compiler?

Re: Does anyone has samples of C code generated by CFront compiler?

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 by: Scott Lurndal - Wed, 17 Aug 2022 19:06 UTC

Thiago Adams <thiago.adams@gmail.com> writes:
>
>Does anyone has samples of C code generated by CFront compiler?

On paper. In storage.

I think I still have cfront around compiled for unixware/svr4.2MP.

I have a nice hand-drawn representation of a parse tree
for one of the C statements generated by cfront, with almost
a dozen comma operators. It had blownup PCC (a shortage
of temp registers) so I implemented a sethi-ulkman algorithm
in the comipiler to fix that (target motorola 88100)). Now in a
box in storage.

Re: Does anyone has samples of C code generated by CFront compiler?

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Subject: Re: Does anyone has samples of C code generated by CFront compiler?
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 by: Scott Lurndal - Wed, 17 Aug 2022 19:09 UTC

Thiago Adams <thiago.adams@gmail.com> writes:
>
>Does anyone has samples of C code generated by CFront compiler?

It appears I have the source for version 1.2 squirrelled away:

#include "cfront.h"

char *prog_name = "<<cfront 1.2.4 8/23/87>>";

Wonder if it will build on a linux system?

Re: Does anyone has samples of C code generated by CFront compiler?

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Subject: Re: Does anyone has samples of C code generated by CFront compiler?
From: thiago.a...@gmail.com (Thiago Adams)
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 by: Thiago Adams - Wed, 17 Aug 2022 19:45 UTC

On Wednesday, August 17, 2022 at 4:06:32 PM UTC-3, Scott Lurndal wrote:
> Thiago Adams <thiago...@gmail.com> writes:
> >
> >Does anyone has samples of C code generated by CFront compiler?
> On paper. In storage.
>
> I think I still have cfront around compiled for unixware/svr4.2MP.
>
> I have a nice hand-drawn representation of a parse tree
> for one of the C statements generated by cfront, with almost
> a dozen comma operators. It had blownup PCC (a shortage
> of temp registers) so I implemented a sethi-ulkman algorithm
> in the comipiler to fix that (target motorola 88100)). Now in a
> box in storage.

How was the formatting?

It was pre-processed (no includes macros etc..) output right?
But was it formatted, like indentation?

Re: Does anyone has samples of C code generated by CFront compiler?

<20220817133606.281@kylheku.com>

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From: 480-992-...@kylheku.com (Kaz Kylheku)
Newsgroups: comp.lang.c
Subject: Re: Does anyone has samples of C code generated by CFront compiler?
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 by: Kaz Kylheku - Wed, 17 Aug 2022 20:38 UTC

On 2022-08-17, Thiago Adams <thiago.adams@gmail.com> wrote:
>
> Does anyone has samples of C code generated by CFront compiler?

The sources to CFront are available online, so if you want to research
CFront, you can do it directly.

https://www.softwarepreservation.org/projects/c_plus_plus/

The most recent available is 3.0.3 from 1993.

--
TXR Programming Language: http://nongnu.org/txr
Cygnal: Cygwin Native Application Library: http://kylheku.com/cygnal

Re: Does anyone has samples of C code generated by CFront compiler?

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 by: Scott Lurndal - Wed, 17 Aug 2022 21:36 UTC

Thiago Adams <thiago.adams@gmail.com> writes:
>On Wednesday, August 17, 2022 at 4:06:32 PM UTC-3, Scott Lurndal wrote:
>> Thiago Adams <thiago...@gmail.com> writes:
>> >
>> >Does anyone has samples of C code generated by CFront compiler?
>> On paper. In storage.
>>
>> I think I still have cfront around compiled for unixware/svr4.2MP.
>>
>> I have a nice hand-drawn representation of a parse tree
>> for one of the C statements generated by cfront, with almost
>> a dozen comma operators. It had blownup PCC (a shortage
>> of temp registers) so I implemented a sethi-ulkman algorithm
>> in the comipiler to fix that (target motorola 88100)). Now in a
>> box in storage.
>
>How was the formatting?
>
>It was pre-processed (no includes macros etc..) output right?
>But was it formatted, like indentation?

no. long lines, no indentation or other formatting.

Re: Does anyone has samples of C code generated by CFront compiler?

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 by: Scott Lurndal - Wed, 17 Aug 2022 21:39 UTC

scott@slp53.sl.home (Scott Lurndal) writes:
>Thiago Adams <thiago.adams@gmail.com> writes:
>>
>>Does anyone has samples of C code generated by CFront compiler?
>
>It appears I have the source for version 1.2 squirrelled away:
>
>#include "cfront.h"
>
>char *prog_name = "<<cfront 1.2.4 8/23/87>>";
>
>Wonder if it will build on a linux system?

Newer version:

#include "cfront.h"

char* prog_name = "<<AT&T C++ Translator 2.00 06/30/89>>";

https://github.com/Alhadis/Research-Unix-v10/tree/master/v10/cmd/cfront

Re: Does anyone has samples of C code generated by CFront compiler?

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Subject: Re: Does anyone has samples of C code generated by CFront compiler?
From: bart4...@gmail.com (bart c)
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 by: bart c - Thu, 18 Aug 2022 23:29 UTC

On Wednesday, 17 August 2022 at 20:06:32 UTC+1, Scott Lurndal wrote:
> Thiago Adams writes:
> >
> >Does anyone has samples of C code generated by CFront compiler?
> On paper. In storage.
>
> I think I still have cfront around compiled for unixware/svr4.2MP.
>
> I have a nice hand-drawn representation of a parse tree
> for one of the C statements generated by cfront, with almost
> a dozen comma operators. It had blownup PCC (a shortage
> of temp registers) so I implemented a sethi-ulkman algorithm
> in the comipiler to fix that (target motorola 88100)). Now in a
> box in storage.

Can you post the expression in question?

I'm in the middle of something similar and I'm curious as to how well or not my own approach works.

But the number of comma operators shouldn't really put pressure on registers, as once you've evaluated each term, you can free any registers used.

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