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glr.cc: don't leak glr.c/glr.cc scaffolding to the user

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Until we have a decent reimplementation of glr.cc, we have to use
tricks to shoehorn C++ symbols to the C engine of glr.c.  Some of them
are done via #define.  Unfortunately in Bison 3.6 some of these we
done in the header file, which broke valid user code.

Reported by Egor Pugin.
https://lists.gnu.org/r/bug-bison/2020-06/msg00003.html

* data/skeletons/glr.cc: Stop playing tricks with b4_pre_epilogue.
(b4_glr_cc_setup, b4_glr_cc_cleanup): New.
Much cleaner way to instal glr.cc's scaffolding around glr.c.
* data/skeletons/glr.c: Adjust to use them.
This commit is contained in:
Akim Demaille
2020-06-12 07:28:05 +02:00
parent 508ac09939
commit 3f4ffea6f2
5 changed files with 64 additions and 34 deletions
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m4/.gitignore vendored
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@@ -56,7 +56,6 @@
/gnulib-comp.m4
/gnulib-tool.m4
/host-cpu-c-abi.m4
/iconv.m4
/include_next.m4
/intdiv0.m4
/intl.m4