*cljs-data-readers* is bound to *data-readers* inconsistently


  • Type: Defect Defect
  • Status: Closed Closed
  • Priority: Major Major
  • Resolution: Completed
  • Affects Version/s: None
  • Fix Version/s: None
  • Component/s: None
  • Labels:


It looks like *cljs-data-readers* is not being bound to *data-readers* where it should be.

At a minimum, cljs.repl/load-stream does not. The practical effect of this instance is that e.g. (load-file "some/cljs/file.cljs") will fail if that file or any other contains a user-defined literal tag. Similar behaviour exists elsewhere, e.g. (load-namespace 'some.cljs.ns) will not load a namespace that contains user-defined tags (I think that one is due to *cljs-data-readers* not being bound in the analyzer).

This is related to CLJS-479 insofar as it's another symptom of ClojureScript loading code in subtly different ways in multiple places.

I'm happy to do either of:

  1. submit issues+patches fixing issues as I encounter them, or
  2. attempt a more significant refactoring that sets up (hopefully) one and only one place where ClojureScript reads code (i.e. uses LispReader) so that behaviour can be consistent

I'm somewhat hesitant re: (2) insofar as the specific requirements of the compiler and analyzer and REPL may be divergent in ways that I'm not yet aware of, but it seems like it's worth a shot.


Herwig Hochleitner made changes -
Field Original Value New Value
Attachment 0001-CLJS-480-bind-data-readers-in-parse-ns.patch [ 11995 ]
Herwig Hochleitner made changes -
David Nolen made changes -
Status Open [ 1 ] Resolved [ 5 ]
Resolution Completed [ 1 ]
David Nolen made changes -
Status Resolved [ 5 ] Closed [ 6 ]


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