antlr4_7: init at 4.7 #26594
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antlr4_7: init at 4.7 #26594
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Includes a more recent version of antlr to nixpkgs. Previous versions exist already, but version 4 brings many changes to the generated code and runtime targets. The install location has been changed from previous versions of antlr to make use of the set-java-classpath hook, which is required to make use of both the runtime and the binary. Also includes the testing rig as a script to allow graphical inspection of parse trees.
Janik-Haag
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12. first-time contribution
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Motivation for this change
Antlr is a really useful tool for polyglot parser generation and this expression contains the tool and java run-time. Also included is the
gruntesting rig.I have tested that it is possible to perform the steps described in the getting started guide on my local machine as well as used it to generate parsers in java, javascript and golang.
Other run-times are not included in this expression, but they are typically installed by language specific package managers, with the exception of C++. I expect this dependency would be managed by the project using the tool however.
grungui mode is gtk dependent which may vary based on environment, but I didn't want to include them as explicit dependencies as they are not needed to usegrunin other modes.Things done
(nix.useSandbox on NixOS,
or option
build-use-sandboxinnix.confon non-NixOS)
nix-shell -p nox --run "nox-review wip"./result/bin/)