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Lua 5.4 support
See original GitHub issueThis issue tracks all changes required to support parsing Lua 5.4 code.
While PUC-Rio hasn’t officially released Lua 5.4 yet, it already appears it is going to bring at least one syntactic innovation: attributes in local declarations, to implement immutable bindings and ‘to-be-closed variables’, i.e. a form of lexical cleanup/with statement/RAII. The EBNF is as follows:
stat ::= local ‘<’ Name ‘>’ Name ‘=’ exp
I assume this particular syntax will change, as the current one does not permit declaring multiple attributes simultaneously, and there is no syntax for combining attributes with the local function construct.
Issue Analytics
- State:
- Created 4 years ago
- Comments:7 (7 by maintainers)
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@TwoLivesLeft No need for that, probably. I have the code already written in my private branch, all that remains is to write the tests.
I have added support for Lua 5.4 local attributes in my fork, though I don’t feel confident making a pull request (haven’t run tests, nor am I certain my implementation is the best way to handle this). The commit is here in case it is of any interest
https://github.com/TwoLivesLeft/luaparse/commit/1e88e5d2c04c83c5bc4a967c6002cc2f38a396e1