X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/b47dbebee51e9d093e140e78b6bedaf065a01c8c..302c0aeeba0264be6031b48540ae4f2108a3d799:/NEWS diff --git a/NEWS b/NEWS index fa198bbe..2ab95345 100644 --- a/NEWS +++ b/NEWS @@ -1,7 +1,31 @@ Bison News ---------- -Changes in version 2.0b, 2005-07-24: +Changes in version 2.1a: + +* Bison now warns if it finds a stray `$' or `@' in an action. + +* %require "VERSION" + To specify that the grammar file depends on features implemented in + Bison version VERSION or higher. + +* lalr1.cc: The token and value types are now class members. + The tokens where defined as free form enums and cpp macros. YYSTYPE + was defined as a free form union. Both are now class members: + tokens are enumerations of the `yy::parser::token' struct, and the + semantic values have the `yy::parser::semantic_type' type. + + If you do not want or can update to this scheme, the directive + `%define "global_tokens_and_yystype" "1"' triggers the global + definition of tokens and YYSTYPE. This change is suitable both + for previous releases of Bison, and this one. + + If you wish to update, then make sure older version of Bison will + fail using `%require "2.1a"'. + +* DJGPP support added. + +Changes in version 2.1, 2005-09-16: * Bison-generated parsers now support the translation of diagnostics like "syntax error" into languages other than English. The default @@ -19,11 +43,6 @@ Changes in version 2.0b, 2005-07-24: behind on the stack. Also, the start symbol is now destroyed after a successful parse. In both cases, the behavior was formerly inconsistent. -* The yytname array now contains the same contents that it did in 2.0, - undoing an incompatible and undocumented change made in 2.0a. - -Changes in version 2.0a, 2005-05-22: - * When generating verbose diagnostics, Bison-generated parsers no longer quote the literal strings associated with tokens. For example, for a syntax error associated with '%token NUM "number"' they might