commit dff7454371003ddce2d6b07d940f965c896d8b81
Author: Akim Demaille <[email protected]>
Date: Sat Apr 6 09:32:10 2019 +0200
doc: sort the warning categories
* doc/bison.texi, src/getargs.c: here.
diff --git a/doc/bison.texi b/doc/bison.texi
index 0531c526..41e75d28 100644
--- a/doc/bison.texi
+++ b/doc/bison.texi
@@ -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.
diff --git a/src/getargs.c b/src/getargs.c
index 8673d41c..2a0493a1 100644
--- a/src/getargs.c
+++ b/src/getargs.c
@@ -335,13 +335,13 @@ Output:\n\
fputs (_("\
Warning categories include:\n\
- 'midrule-values' unset or unused midrule values\n\
- 'yacc' incompatibilities with POSIX Yacc\n\
'conflicts-sr' S/R conflicts (enabled by default)\n\
'conflicts-rr' R/R conflicts (enabled by default)\n\
'deprecated' obsolete constructs\n\
'empty-rule' empty rules without %empty\n\
+ 'midrule-values' unset or unused midrule values\n\
'precedence' useless precedence and associativity\n\
+ 'yacc' incompatibilities with POSIX Yacc\n\
'other' all other warnings (enabled by default)\n\
'all' all the warnings except 'yacc'\n\
'no-CATEGORY' turn off warnings in CATEGORY\n\
