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* doc/bison.texinfo (Bison Parser): Discuss system headers and their effect on the user name space. * src/bison.simple: (YYSTACK_ALLOC, YYSTACK_FREE, union yyalloc, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYSTACK_RELOCATE): Do not define unless necessary, i.e. unless ! defined (yyoverflow) || defined (YYERROR_VERBOSE). (YYSIZE_T): New macro. Use it instead of size_t, to avoid infringing on user names when possible. (YYSTACK_USE_ALLOCA): Do not define; just use any existing defn. Simplify test for whather <alloca.h> exists. (<stdlib.h>): Include if we will use malloc, and if standard C or C++. (<stdio.h>): Include if YYDEBUG. (yymemcpy): Renamed from __yy_memcpy. Do not define unless ! defined (yyoverflow) && ! defined (yymemcpy). (yymemcpy, yyparse): Rename local variables as needed so that they all begin with 'yy'. (yystrlen, yystpcpy): New functions. (YY_DECL_NON_LSP_VARIABLES): Renamed from _YY_DECL_VARIABLES. All uses changed. (yyparse): size_t -> YYSIZE_T. Use yystrlen and yystpcpy instead of relying on string.h functions. Use YYSTACK_ALLOC and YYSTACK_FREE instead of malloc and free.
This directory contains the Bison parser generator. See the file INSTALL for compilation and installation instructions. See the file doc/FAQ for frequently asked questions. It was once true that, when installing Bison on Sequent (or Pyramid?) systems, you had to be in the Berkeley universe. This may no longer be true; we have no way to tell. On VMS, you will probably have to create Makefile from Makefile.in by hand. Remember to do `SET COMMAND BISON' to install the data in `BISON.CLD'. VMS and MS-DOS builds are probably broken right now. If you are able to build Bison on either platform and you need to make changes to do so, please submit those changes as a bug report. Send bug reports to bug-bison@gnu.org. Please include the version number from `bison --version', and a complete, self-contained test case in each bug report. If you have questions about using Bison which the documentation does not answer, send mail to help-bison@gnu.org.