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diagnostics: %pure-parser is obsolete

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Reported by Uxio Prego.
http://lists.gnu.org/archive/html/bug-bison/2018-12/msg00029.html

* src/scan-gram.l, src/parse-gram.y (PERCENT_PURE_PARSER)
(handle_pure_parser): New.
Issue a deprecation/update notice for %pure-parser.
* doc/bison.texi (Java Bison Interface): Don't mention %pure-parser.
* tests/actions.at, tests/input.at: Adjust.
This commit is contained in:
Akim Demaille
2019-05-19 08:15:08 +02:00
parent cae8132690
commit de5207244b
6 changed files with 30 additions and 10 deletions
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4
doc/bison.texi
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@@ -12416,8 +12416,8 @@ You can create documentation for generated parsers using Javadoc.
Contrary to C parsers, Java parsers do not use global variables; the state
of the parser is always local to an instance of the parser class.
Therefore, all Java parsers are ``pure'', and the @code{%pure-parser} and
@code{%define api.pure} directives do nothing when used in Java.
Therefore, all Java parsers are ``pure'', and the @code{%define api.pure}
directive does nothing when used in Java.
Push parsers are currently unsupported in Java and @code{%define
api.push-pull} have no effect.