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2a8d363aab
New. * data/yacc.m4 (b4_pure_args, b4_Pure_args): New. (b4_parse_param): Remove. Use b4_identification. Propagate b4_pure_args where needed to pass them to yyerror. * data/glr.m4 (b4_parse_param): Remove. (b4_user_formals, b4_pure_args, b4_pure_formals, b4_lpure_args) (b4_lpure_formals): New. Use b4_identification. (YY_USER_FORMALS, YY_USER_ARGS): Remove, replaced by b4_user_formals and b4_user_args. (yyexpandGLRStack, yyFail, yyaddDeferredAction, yyglrShiftDefer) (yyreportAmbiguity): When using a pure parser, also need the location, and the parse-params. Adjust callers. (yyuserAction, yyglrShift, yyreportParseError, yyrecoverParseError): When using a pure parser, also need the parse-params. Adjust callers. * tests/calc.at: Test pure (%pure-parser) and absolutely pure (%pure-parser + %parse-param) LALR and GLR parsers. (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): New, define AT_PARAM_IF, AT_LOCATION_IF, AT_PURE_IF, AT_GLR_IF, AAT_PURE_AND_LOC_IF, AT_GLR_OR_PARAM_IF, AT_YYERROR_ARG_LOC_IF, AT_YYERROR_SEES_LOC_IF. (_AT_DATA_CALC_Y): Equip for purity of yyerror. (_AT_CHECK_CALC_ERROR): Use AT_YYERROR_SEES_LOC_IF. * tests/cxx-type.at (_AT_TEST_GLR_CALC): Equip for yyerror purity. * doc/bison.texinfo: Untabify the whole file. (Parser Function): Document %parse-param, deprecate YYPARSE_PARAM. (Pure Calling): Document %lex-param, deprecate YYLEX_PARAM. (Error Reporting): Adjust to these new directives. Document %error-verbose, deprecate YYERROR_VERBOSE.