X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/aca4ddc75daaf5a9d9ce8f52e15e1f9c0ebab741..77b214ef4858d2c6129038f53b4a94b92aa1b6c4:/NEWS diff --git a/NEWS b/NEWS index 24f43d51..0da5bdfa 100644 --- a/NEWS +++ b/NEWS @@ -1,16 +1,51 @@ GNU Bison NEWS -* Noteworthy changes in release ?.? (????-??-??) [?] +* Noteworthy changes in release 2.6.1 (2012-07-30) [stable] + Bison no longer executes user-specified M4 code when processing a grammar. -* Noteworthy changes in release 2.5.90 (2012-07-05) [beta] +** Future Changes + + In addition to the removal of the features announced in Bison 2.6, the + next major release will remove the "Temporary hack for adding a semicolon + to the user action", as announced in the release 2.5. Instead of: + + exp: exp "+" exp { $$ = $1 + $3 }; + + write: + + exp: exp "+" exp { $$ = $1 + $3; }; + +** Bug fixes + +*** Type names are now properly escaped. + +*** glr.cc: set_debug_level and debug_level work as expected. + +*** Stray @ or $ in actions + + While Bison used to warn about stray $ or @ in action rules, it did not + for other actions such as printers, destructors, or initial actions. It + now does. + +** Type names in actions + + For consistency with rule actions, it is now possible to qualify $$ by a + type-name in destructors, printers, and initial actions. For instance: + + %printer { fprintf (yyo, "(%d, %f)", $$, $$); } <*> <>; + + will display two values for each typed and untyped symbol (provided + that YYSTYPE has both "ival" and "fval" fields). + +* Noteworthy changes in release 2.6 (2012-07-19) [stable] ** Future Changes The next major release of Bison will drop support for the following deprecated features. Please report disagreements to bug-bison@gnu.org. -*** K&C parsers +*** K&R C parsers Support for generating parsers in K&R C will be removed. Parsers generated for C support ISO C90, and are tested with ISO C99 and ISO C11