doc: sort the warning categories

* doc/bison.texi, src/getargs.c: here.
This commit is contained in:
Akim Demaille
2019-04-06 09:32:10 +02:00
parent e50eedf3c5
commit dff7454371
2 changed files with 22 additions and 22 deletions

View File

@@ -10349,6 +10349,23 @@ is specified.
Output warnings falling in @var{category}. @var{category} can be one
of:
@table @code
@item conflicts-sr
@itemx conflicts-rr
S/R and R/R conflicts. These warnings are enabled by default. However, if
the @code{%expect} or @code{%expect-rr} directive is specified, an
unexpected number of conflicts is an error, and an expected number of
conflicts is not reported, so @option{-W} and @option{--warning} then have
no effect on the conflict report.
@item deprecated
Deprecated constructs whose support will be removed in future versions of
Bison.
@item empty-rule
Empty rules without @code{%empty}. @xref{Empty Rules}. Disabled by
default, but enabled by uses of @code{%empty}, unless
@option{-Wno-empty-rule} was specified.
@item midrule-values
Warn about midrule values that are set but not used within any of the actions
of the parent rule.
@@ -10369,26 +10386,6 @@ These warnings are not enabled by default since they sometimes prove to
be false alarms in existing grammars employing the Yacc constructs
@code{$0} or @code{$-@var{n}} (where @var{n} is some positive integer).
@item yacc
Incompatibilities with POSIX Yacc.
@item conflicts-sr
@itemx conflicts-rr
S/R and R/R conflicts. These warnings are enabled by default. However, if
the @code{%expect} or @code{%expect-rr} directive is specified, an
unexpected number of conflicts is an error, and an expected number of
conflicts is not reported, so @option{-W} and @option{--warning} then have
no effect on the conflict report.
@item deprecated
Deprecated constructs whose support will be removed in future versions of
Bison.
@item empty-rule
Empty rules without @code{%empty}. @xref{Empty Rules}. Disabled by
default, but enabled by uses of @code{%empty}, unless
@option{-Wno-empty-rule} was specified.
@item precedence
Useless precedence and associativity directives. Disabled by default.
@@ -10450,6 +10447,9 @@ One would get the exact same parser with the following directives instead:
@end group
@end example
@item yacc
Incompatibilities with POSIX Yacc.
@item other
All warnings not categorized above. These warnings are enabled by default.