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The name "$end" is nice in the report, in particular it avoids that pointed-rules (aka items) be too long. It also helps keeping them "standard". But it is bad in error messages, we should report "end of file" (or maybe "end of input", this is debatable). So, unless the user already defined the alias for the error token herself, make it "end of file". It should even be translated if the user already translated some tokens, so that there is now no strong reason to redefine the $end token. * src/output.c (prepare_symbol_names): Issue "end of file" instead of "$end". * data/skeletons/lalr1.java (yytnamerr_): Remove the renaming hack. * build-aux/update-test: Accept files with names containing a "+", such as c++.at. * tests/actions.at, tests/c++.at, tests/conflicts.at, * tests/glr-regression.at, tests/regression.at, tests/skeletons.at: Adjust.
This directory contains examples of Bison grammar files, sorted per language.
Several of them come from the documentation, which should be installed together with Bison. The URLs are provided for convenience.
These examples come with a README and a Makefile. Not only can they be used to toy with Bison, they can also be starting points for your own grammars.
Please, be sure to read the C examples before looking at the other languages, as these examples are simpler.