On 8/30/22 17:36, Gaius Mulley wrote:
> Martin Liška <mli...@suse.cz> writes:
> 
>> On 8/30/22 13:03, Gaius Mulley via Gcc-patches wrote:
>>>
>>> Another very brief update to say that I'm now tidying up the code and
>>> primary platform testing
>>>
>>> regards,
>>> Gaius
>>
>> Hello.
>>
>> As you may know I'm working on the documentation migration from texinfo to 
>> Sphinx
>> and I noticed you have quite some documentation written in Texinfo. Thus, I 
>> tried
>> using my conversion script, but ended with:
>>
>> $ m2/boot-bin/mc --olang=c++ --h-file-prefix=G
>> -I/home/marxin/Programming/gcc2/gcc/m2/gm2-libs
>> -I/home/marxin/Programming/gcc2/gcc/m2/gm2-compiler
>> -I/home/marxin/Programming/gcc2/gcc/m2/gm2-libiberty
>> -I/home/marxin/Programming/gcc2/gcc/m2/gm2-gcc --quiet
>> --gcc-config-system --extended-opaque
>> -o=m2/gm2-compiler-boot/M2GCCDeclare.c
>> /home/marxin/Programming/gcc2/gcc/m2/gm2-compiler/M2GCCDeclare.mod
>> /*  --extended-opaque seen therefore no #include will be used and everything 
>> will be declared in full.  */
>> terminate called after throwing an instance of 'unsigned int'
>> Aborted (core dumped)
>>
>> $ Program received signal SIGSEGV, Segmentation fault.
>> 0x000000000043771e in decl_isConst (n=0xbabababababababa) at 
>> /home/marxin/Programming/gcc2/gcc/m2/mc-boot/Gdecl.c:22530
>> 22530          return n->kind == const_;
>> (gdb) bt
>> #0  0x000000000043771e in decl_isConst (n=0xbabababababababa) at 
>> /home/marxin/Programming/gcc2/gcc/m2/mc-boot/Gdecl.c:22530
>> #1  0x0000000000432526 in addEnumConst (n=0xbabababababababa) at 
>> /home/marxin/Programming/gcc2/gcc/m2/mc-boot/Gdecl.c:19914
>> #2  0x00000000004313aa in visitNode (v=0x17cd5910, n=0xbabababababababa, 
>> p=...) at /home/marxin/Programming/gcc2/gcc/m2/mc-boot/Gdecl.c:19240
>> #3  0x0000000000430ba9 in visitIntrinsic (v=0x17cd5910, n=0x5015c0, p=...) 
>> at /home/marxin/Programming/gcc2/gcc/m2/mc-boot/Gdecl.c:18871
>> #4  0x0000000000430cc6 in visitDependants (v=0x17cd5910, n=0x5015c0, p=...) 
>> at /home/marxin/Programming/gcc2/gcc/m2/mc-boot/Gdecl.c:18923
>> #5  0x00000000004313c1 in visitNode (v=0x17cd5910, n=0x5015c0, p=...) at 
>> /home/marxin/Programming/gcc2/gcc/m2/mc-boot/Gdecl.c:19241
>> #6  0x00000000004325b8 in populateTodo (p=...) at 
>> /home/marxin/Programming/gcc2/gcc/m2/mc-boot/Gdecl.c:19938
>> #7  0x0000000000432613 in topologicallyOut (c=..., t=..., v=..., tp=..., 
>> pc=..., pt=..., pv=...) at 
>> /home/marxin/Programming/gcc2/gcc/m2/mc-boot/Gdecl.c:19957
>> #8  0x0000000000426ffb in outDeclsImpC (p=0x17cc39a0, s=...) at 
>> /home/marxin/Programming/gcc2/gcc/m2/mc-boot/Gdecl.c:13910
>> #9  0x0000000000432f2f in outImpC (p=0x17cc39a0, n=0x541800) at 
>> /home/marxin/Programming/gcc2/gcc/m2/mc-boot/Gdecl.c:20142
>> #10 0x00000000004337b5 in outC (p=0x17cc39a0, n=0x541800) at 
>> /home/marxin/Programming/gcc2/gcc/m2/mc-boot/Gdecl.c:20285
>> #11 0x000000000043bd9b in decl_out () at 
>> /home/marxin/Programming/gcc2/gcc/m2/mc-boot/Gdecl.c:26621
>> #12 0x000000000043eae6 in doCompile (s=0x50a190) at 
>> /home/marxin/Programming/gcc2/gcc/m2/mc-boot/GmcComp.c:223
>> #13 0x000000000043f646 in mcComp_compile (s=0x50a190) at 
>> /home/marxin/Programming/gcc2/gcc/m2/mc-boot/GmcComp.c:637
>> #14 0x0000000000451d91 in init () at 
>> /home/marxin/Programming/gcc2/gcc/m2/mc-boot/Gtop.c:59
>> #15 0x0000000000451da8 in _M2_top_init (argc=12, argv=0x7fffffffd9a8) at 
>> /home/marxin/Programming/gcc2/gcc/m2/mc-boot/Gtop.c:64
>> #16 0x000000000048b4c2 in main (argc=12, argv=0x7fffffffd9a8) at
>> m2/mc-boot/main.c:179
> 
> Hi Martin,
> 
> ah interesting - thanks for the trace will look into the above fault.

Hello.

Thanks.

> 
>> Have a couple of questions:
>>
>> 1) What's gcc/m2/www/tools/createhtml.py about? Will you need it once
>> the branch is merged to master?
> 
> no it will be purged.  It was part of the tool set used to generate
> https://www.nongnu.org/gm2/homepage.html from gm2.texi.  createhtml
> allowed gcc-10, 11, 12 documentation to coexist.
> 
> I've seen and like the demos of the documentation you are producing.
> I was curious is there provision for older gcc release documentation
> (say gcc-10 onwards) to be accessible via the Sphinx’s documentation?

No, only for the current master branch.

> 
>> 2) You generate some texi files on fly: ./gcc/m2/gm2-ebnf.texi, 
>> ./gcc/m2/Builtins.texi
>> Would it be possible emitting Sphinx in the future?
> 
> yes sure - I was meaning to email about this earlier.  Are there any
> do/don'ts you would advise when writing texinfo (or subset/template
> examples?).

How do you mean that? You should ideally generate .rst (Sphinx markup)
instead of the *.texi files. These will be then included in the converted
Sphinx manual similarly to how you include it now to the Texinfo manual.

Does it make sense?

Cheers,
Martin

> I'm keen to change the tools which generate gm2-ebnf.texi
> and Builtins.texi to accommodate Sphinx.
> 
> regards,
> Gaius

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