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Rename <!> to <>. Discussed starting at

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<http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00039.html>.
* NEWS (2.3a+): Update.
* doc/bison.texinfo (Freeing Discarded Symbols, Bison Symbols):
Update.
* src/parse-gram.y (TYPE_TAG_NONE, generic_symlist_item): Implement.
* src/scan-gram.l (INITIAL): Implement.
* src/symlist.c (symbol_list_default_tagless_new): Update comment.
* src/symlist.h (symbol_list, symbol_list_default_tagless_new): Update
comment.
* tests/actions.at (Default tagless %printer and %destructor,
Default tagged and per-type %printer and %destructor,
Default %printer and %destructor are not for error or $undefined,
Default %printer and %destructor are not for $accept,
Default %printer and %destructor for mid-rule values): Update.
* tests/input.at (Default %printer and %destructor redeclared,
Unused values with default %destructor): Update.
This commit is contained in:
Joel E. Denny
2006-11-21 00:43:26 +00:00
parent 26b8a43805
commit 3ebecc240d
10 changed files with 69 additions and 49 deletions
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@@ -33,12 +33,12 @@ Changes in version 2.3a+ (????-??-??):
%destructor/%printer for all grammar symbols for which you have formally
declared semantic type tags.
2. Place `<!>' in a %destructor/%printer symbol list to define a default
2. Place `<>' in a %destructor/%printer symbol list to define a default
%destructor/%printer for all grammar symbols without declared semantic
type tags.
Bison no longer supports the `%symbol-default' notation from Bison 2.3a.
`<*>' and `<!>' combined achieve the same effect with one exception: Bison no
`<*>' and `<>' combined achieve the same effect with one exception: Bison no
longer applies any %destructor to a mid-rule value if that mid-rule value is
not actually ever referenced using either $$ or $n in a semantic action.