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44ac18d136
In push parsers, when asking for the list of expected tokens at some point, it makes no sense to build a yyparse_context_t: the yypstate alone suffices (the only difference being the lookahead). Instead of forcing the user to build a useless shell around yypstate, let's offer yypstate_expected_tokens. See https://lists.gnu.org/r/bison-patches/2020-03/msg00025.html. * data/skeletons/yacc.c (yypstate): Declare earlier, so that we can use it for... (yypstate_expected_tokens): this new function, when in push parsers. Adjust dependencies. * examples/c/bistromathic/parse.y: Simplify: use yypstate_expected_tokens. Style fixes. Reduce scopes (reported by Joel E. Denny).