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| author | Paul Eggert <eggert@cs.ucla.edu> | 2006-01-19 06:48:52 +0000 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2006-01-19 06:48:52 +0000 |
| commit | 51cbef6f6332c3ec10bc64182bcf2f83351d7dff (patch) | |
| tree | 72d091f1d6528ed41eb6b0e68fc1cd727b25de01 /TODO | |
| parent | d6ca7905ab458076e6d89ea409a413c0ae7402b1 (diff) | |
| download | bison-51cbef6f6332c3ec10bc64182bcf2f83351d7dff.tar.gz | |
* TODO: Multiple %union is now implemented, so remove it from
the wishlist.
Diffstat (limited to 'TODO')
| -rw-r--r-- | TODO | 30 |
1 files changed, 5 insertions, 25 deletions
@@ -92,27 +92,6 @@ It should be improved, in particular when using Bison features such as locations, and YYPARSE_PARAMS. For the time being, it is almost recommended to yyprint to steal internal variables... -** Several %unions -I think this is a pleasant (but useless currently) feature, but in the -future, I want a means to %include other bits of grammars, and _then_ -it will be important for the various bits to define their needs in -%union. - -When implementing multiple-%union support, bare the following in mind: - -- when --yacc, this must be flagged as an error. Don't make it fatal - though. - -- The #line must now appear *inside* the definition of yystype. - Something like - - { - #line 12 "foo.y" - int ival; - #line 23 "foo.y" - char *sval; - } - ** %if and the like It should be possible to have %if/%else/%endif. The implementation is not clear: should it be lexical or syntactic. Vadim Maslow thinks it @@ -345,16 +324,17 @@ the parser with a means to create the (visual) parse tree. ----- -Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc. +Copyright (C) 2001, 2002, 2003, 2004, 2006 Free Software Foundation, +Inc. -This file is part of GNU Bison. +This file is part of Bison, the GNU Compiler Compiler. -GNU Bison is free software; you can redistribute it and/or modify +Bison is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. -GNU Bison is distributed in the hope that it will be useful, +Bison is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. |