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yacc: remove support for YYPRINT

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Its removal was annonced several times in NEWS (for Bison 3.5, 3.6, 3.7).

* data/skeletons/c.m4, data/skeletons/yacc.c: Remove support for YYPRINT.
* NEWS: Fix the mess introduced by the merge.
Document the removal of YYPRINT.
* doc/bison.texi (The YYPRINT Macro): Remove.
This commit is contained in:
Akim Demaille
2021-02-01 06:45:15 +01:00
parent 9acc9d2aee
commit 1efe31185f
7 changed files with 34 additions and 116 deletions
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49
NEWS
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@@ -1,6 +1,6 @@
GNU Bison NEWS
* Noteworthy changes in release 3.7.5 (2021-01-24) [stable]
* Noteworthy changes in release ?.? (????-??-??) [?]
** Deprecated features
@@ -9,26 +9,9 @@ GNU Bison NEWS
with Yacc, but not in C++. Warnings are now issued if `#define YYSTYPE`
is used in C++, and eventually support will be removed.
** Bug fixes
*** Counterexample Generation
In some cases counterexample generation could crash. This is fixed.
*** Fix Table Generation
In some very rare conditions, when there are many useless tokens, it was
possible to generate incorrect parsers.
*** GLR parsers now support %merge together with api.value.type=union.
*** C++ parsers use noexcept in more places.
*** Generated parsers avoid some warnings about signedness issues.
*** C-language parsers now avoid warnings from pedantic clang.
*** C-language parsers now work around quirks of HP-UX 11.23 (2003).
Support for the YYPRINT macro is removed. It worked only with yacc.c and
only for tokens. It was obsoleted by %printer, introduced in Bison 1.50
(November 2002).
** Changes
@@ -98,6 +81,30 @@ GNU Bison NEWS
memory exhaustion.
* Noteworthy changes in release 3.7.5 (2021-01-24) [stable]
** Bug fixes
*** Counterexample Generation
In some cases counterexample generation could crash. This is fixed.
*** Fix Table Generation
In some very rare conditions, when there are many useless tokens, it was
possible to generate incorrect parsers.
*** GLR parsers now support %merge together with api.value.type=union.
*** C++ parsers use noexcept in more places.
*** Generated parsers avoid some warnings about signedness issues.
*** C-language parsers now avoid warnings from pedantic clang.
*** C-language parsers now work around quirks of HP-UX 11.23 (2003).
* Noteworthy changes in release 3.7.4 (2020-11-14) [stable]
** Bug fixes