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.

> 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?

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

regards,
Gaius

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