X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/71da9eeacc05af817ae0eb2d905d74e774aa842d..89cab50df11c5f02d719db0239eabc0fb6095ec8:/ChangeLog?ds=inline

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+2000-10-02  Akim Demaille  <akim@epita.fr>
+
+	The location tracking mechanism is precious for parse error
+	messages.  Nevertheless, it is enabled only when `@n' is used in
+	the grammar, which is a different issue (you can use it in error
+	message, but not in the grammar per se).  Therefore, there should
+	be another means to enable it.
+
+	* src/getargs.c (getargs): Support `--locations'.
+	(usage): Report it.
+	* src/getargs.h (locationsflag): Export it.
+	* src/lex.c (percent_table): Support `%locations'.
+	* src/reader.c (yylsp_needed): Remove this variable, now replaced
+	with `locationsflag'.
+	* doc/bison.texinfo: Document `--locations' and `%locations'.
+	Sort the options.
+	* tests/calc.m4: Test it.
+
+	For regularity of the names, replace each
+	(nolineflag, toknumflag, rawtokenumflag, noparserflag): with...
+	(no_lineflag, token_tableflag, rawflag, no_parserflag): this.
+	In addition replace each `flag' with `_flag'.
+
+	
+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.