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path: root/src/libexpr/nixexpr.hh
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2004-08-04* Allow primops with more that 1 arguments.Eelco Dolstra
2004-04-05* When something goes wrong in the evaluation of a Nix expression,Eelco Dolstra
print a nice backtrace of the stack, rather than vomiting a gigantic (and useless) aterm on the screen. Example: error: while evaluating file `.../pkgs/system/test.nix': while evaluating attribute `subversion' at `.../pkgs/system/all-packages-generic.nix', line 533: while evaluating function at `.../pkgs/applications/version-management/subversion/default.nix', line 1: assertion failed at `.../pkgs/applications/version-management/subversion/default.nix', line 13 Since the Nix expression language is lazy, the trace may be misleading. The purpose is to provide a hint as to the location of the problem.
2004-02-04* Use a map to lookup primops.Eelco Dolstra
* Various performance improvements in the evaluator. * Do not link against unused (and missing!) libraries (-lsglr, etc.).
2004-02-03* Verify that all variables in a Nix expression are defined.Eelco Dolstra
2003-11-19* Refactoring: put the Nix expression evaluator in its own library soEelco Dolstra
that it can be used by multiple programs.