Also test parse error messages, including with YYERROR_VERBOSE.

[bison.git] / ChangeLog

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+2000-10-02  Akim Demaille  <akim@epita.fr>
+
+       Also test parse error messages, including with YYERROR_VERBOSE.
+
+       * tests/calc.m4 (calc.y): Add support for `exp = exp' (non
+       associative).
+       Use it to check the computations.
+       Use it to check `nonassoc' is honored.
+       (AT_DATA_CALC_Y): Equip `calc.y' with YYERROR_VERBOSE when passed
+       `--yyerror-verbose'.
+       (_AT_CHECK_CALC): Adjust to this option.
+       (_AT_CHECK_CALC_ERROR): New macro to check parse error messages.
+
+       
+2000-10-02  Akim Demaille  <akim@epita.fr>
+
+       Test also `--verbose', `--defines' and `--name-prefix'.  Testing
+       the latter demonstrates a flaw in the handling of non debugging
+       parsers introduced by myself on 2000-03-16: `#define yydebug 0'
+       was used in order to simplify:
+
+       #if YYDEBUG
+       if (yydebug)
+       {
+       ...
+       }
+       #endif
+
+       into
+
+       if (yydebug)
+       {
+       ...
+       }
+
+       unfortunately this leads to a CPP conflict when
+       `--name-prefix=foo' is used since it produces `#define yydebug
+       foodebug'.
+
+       * src/bison.s1 [!YYDEBUG]: Do not define yydebug.
+       (YYDPRINTF): New macro.
+       Spread its use.
+       * tests/calc.m4 (AT_CHECK_CALC): Do require a title, build it from
+       the bison options.
+       Also test `--verbose', `--defines' and `--name-prefix'.
+
+       
+2000-10-02  Akim Demaille  <akim@epita.fr>
+
+       Improve the readability of the produced parsers.
+
+       * src/bison.s1: Formatting changes.
+       Improve the comment related to the `$' mark.
+       (yydefault): Don't fall through to `yyresume': `goto' there.
+       * src/output.c (output_parser): When the `$' is met, skip the end
+       of its line.
+       New variable, `number_of_dollar_signs', to check there's exactly
+       one `$' in the parser skeleton.
+
+       
+2000-10-02  Akim Demaille  <akim@epita.fr>
+
+       * lib/xstrdup.c: New file, from the fileutils.
+       * src/reader.c (parse_token_decl, get_type_name, parse_type_decl)
+       (parse_assoc_decl, parse_thong_decl, get_type): Use `xstrdup'
+       instead of strlen + xmalloc + strcpy.
+       * src/symtab.c (copys): Remove, use xstrdup instead.
+
+       
 2000-10-02  Akim Demaille  <akim@epita.fr>
 
        * src/gram.h (associativity): New enum type which replaces the