Hello Mike, Give importDecl from LoadIface a try, or maybe tcLookupGlobal if you're in TcM.
Edward Excerpts from Mike Izbicki's message of 2015-08-07 15:40:30 -0700: > I'm trying to write a GHC plugin. The purpose of the plugin is to > provide Haskell bindings to Herbie. Herbie > (https://github.com/uwplse/herbie) is a program that takes a > mathematical statement as input, and gives you a numerically stable > formula to compute it as output. The plugin is supposed to automate > this process for Haskell programs. > > I can convert the core expressions into a format for Herbie just fine. > Where I'm having trouble is converting the output from Herbie back > into core. Given a string that represents a numeric operator (e.g. > "log" or "+"), I can get that converted into a Name that matches the > Name of the version of that operator in scope at the location. But in > order to create an Expr, I need to convert the Name into a Var. All > the functions that I can find for this (e.g. mkGlobalVar) also require > the type of the variable. But I can't find a way to figure out the > Type given a Name. How can I do this? _______________________________________________ ghc-devs mailing list ghc-devs@haskell.org http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs