Future/bison
1
0
Fork 0
mirror of https://git.savannah.gnu.org/git/bison.git synced 2026-03-17 08:13:02 +00:00
Code Issues Packages Projects Releases Wiki Activity

* TODO: Multiple %union is now implemented, so remove it from

Browse Source 
the wishlist.
This commit is contained in:
Paul Eggert
2006-01-19 06:48:52 +00:00
parent d6ca7905ab
commit 51cbef6f63
2 changed files with 7 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
ChangeLog
View File

@@ -2,6 +2,8 @@
* NEWS: Document the fact that multiple %unions are now allowed. * NEWS: Document the fact that multiple %unions are now allowed.
* doc/bison.texinfo (Union Decl): Likewise. * doc/bison.texinfo (Union Decl): Likewise.
* TODO: This feature is now implemented, so remove it from
the wishlist.
* Makefile.maint: Merge with coreutils Makefile.maint. * Makefile.maint: Merge with coreutils Makefile.maint.
(CVS_LIST): Use build-aux version if available. (CVS_LIST): Use build-aux version if available.

30
TODO
View File

@@ -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 locations, and YYPARSE_PARAMS. For the time being, it is almost
recommended to yyprint to steal internal variables... 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 ** %if and the like
It should be possible to have %if/%else/%endif. The implementation is It should be possible to have %if/%else/%endif. The implementation is
not clear: should it be lexical or syntactic. Vadim Maslow thinks it 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 it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option) the Free Software Foundation; either version 2, or (at your option)
any later version. 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 but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details. GNU General Public License for more details.