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Merge branch 'maint'

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* maint:
  c++: shorten the assertions that check whether tokens are correct
  c++: don't glue functions together
  lalr1.cc: YY_ASSERT should use api.prefix
  c++: don't use YY_ASSERT at all if parse.assert is disabled
  c++: style: follow the Bison m4 quoting pattern
  yacc.c: provide the Bison version as an integral macro
  regen
  style: make conversion of version string to int public
  %require: accept version numbers with three parts ("3.7.4")
  yacc.c: fix #definition of YYEMPTY
  gnulib: update
  doc: fix incorrect section title
  doc: minor grammar fixes in counterexamples section
This commit is contained in:
Akim Demaille
2020-11-13 07:01:19 +01:00
parent d0ea78ca47 d8cc6b073e
commit 23472033ee
21 changed files with 314 additions and 165 deletions
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6
doc/bison.texi
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@@ -15837,6 +15837,12 @@ Macro to discard a value from the parser stack and fake a lookahead
token. @xref{Action Features}.
@end deffn
@deffn {Macro} YYBISON
The version of Bison as an integer, for instance 30704 for version 3.7.4.
Defined in @file{yacc.c} only. Before version 3.7.4, @code{YYBISON} was
defined to 1.
@end deffn
@deffn {Variable} yychar
External integer variable that contains the integer value of the
lookahead token. (In a pure parser, it is a local variable within