* data/bison.c++: Correct error recovery. Make the user able to

[bison.git] / ChangeLog

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+2002-02-08  Robert Anisko  <robert@lrde.epita.fr>
+
+       * data/bison.c++: Correct error recovery.  Make the user able to
+       initialize the starting location.
+
+2002-02-07  Akim Demaille  <akim@epita.fr>
+
+       * tests/input.at: New.
+
+2002-02-07  Robert Anisko  <robert@lrde.epita.fr>
+
+       * data/bison.c++: Replace some direct m4 expansions by constants.  Be
+       more consistent when naming methods and variables.  Put preprocessor
+       directives around tables only needed for debugging.
+
+2002-02-07  Robert Anisko  <robert@lrde.epita.fr>
+
+       * data/bison.c++ (yy::b4_name::print_): New method, replaces yyprint in
+       C++ parsers.
+       (yy::b4_name::parse): Use print_.
+
+2002-02-07  Robert Anisko  <robert@lrde.epita.fr>
+
+       * data/bison.c++ (yy::b4_name::parse): Error recovery is back.
+
+2002-02-07  Robert Anisko  <robert@lrde.epita.fr>
+
+       * data/bison.c++ (yy::b4_name::error_): New method, replaces yyerror in
+       C++ parsers.
+       (yy::b4_name::parse): Build verbose error messages, and use error_.
+
+2002-02-06  Robert Anisko  <robert@lrde.epita.fr>
+
+       * data/bison.c++: Fix m4 quoting in comments.
+
+2002-02-06  Robert Anisko  <robert@lrde.epita.fr>
+
+       * data/bison.c++: Adjust the parser code.  Fix some muscles that were
+       not expanded by m4.
+
+2002-02-05  Akim Demaille  <akim@epita.fr>
+
+       * data/bison.c++: Adjust to the M4 back end.
+       More is certainly needed.
+
+2002-02-05  Akim Demaille  <akim@epita.fr>
+
+       Give a try to M4 as a back end.
+
+       * lib/readpipe.c: New, from wdiff.
+       * src/Makefile.am (DEFS): Define PKGDATADIR, not BISON_SIMPLE and
+       BISON_HAIRY.
+       * src/system.h (BISON_HAIRY, BISON_SIMPLE): Remove the DOS and VMS
+       specific values.  Now it is m4 that performs the lookup.
+       * src/parse-skel.y: Remove.
+       * src/muscle_tab.c, src/muscle_tab.h (muscles_m4_output): New.
+       * src/output.c (actions_output, guards_output)
+       (token_definitions_output): No longer keeps track of the output
+       line number, hence remove the second argument.
+       (guards_output): Check against the guard member of a rule, not the
+       action member.
+       Adjust callers.
+       (output_skeleton): Don't look for the skeleton location, let m4 do
+       that.
+       Create `/tmp/muscles.m4'.  This is temporary, a proper temporary
+       file will be used.
+       Invoke `m4' on m4sugar.m4, muscles.m4, and the skeleton.
+       (prepare): Given that for the time being changesyntax is not
+       usable in M4, rename the muscles using `-' to `_'.
+       Define `defines_flag', `output_parser_name' and `output_header_name'.
+       * src/output.h (actions_output, guards_output)
+       (token_definitions_output): Adjust prototypes.
+       * src/scan-skel.l: Instead of scanning the skeletons, it now
+       processes the output of m4: `__oline__' and `#output'.
+       * data/bison.simple: Adjust to be used by M4(sugar).
+       * tests/Makefile.am: Use check_SCRIPTS to make sure `bison' is up
+       to date.
+       * tests/bison.in: Use the secrete envvar `BISON_PKGDATADIR'
+       instead of the dead `BISON_SIMPLE' and `BISON_HAIRY'.
+       * data/m4sugar/m4sugar.m4, data/m4sugar/version.m4: New,
+       shamelessly stolen from CVS Autoconf.
+
 2002-02-05  Akim Demaille  <akim@epita.fr>
 
        * lib/hash.c, lib/hash.h: Replace with Fileutils 4.1's version.