GHC has a "--show-iface" option which pretty prints the ".hi" file. Not sure if it works for your use-case but it may be easier to parse the text displayed by this option.
-harendra On 2 December 2017 at 21:29, Saurabh Nanda <saurabhna...@gmail.com> wrote: > (GHC newbie alert -- is this the right mailing list for these kind of > questions?) > > I"m writing some code to figure out all the instances of particular > type-classes and after exploring a lot of options (hlint, haskell-src-exts, > annotations, doctests, etc), I realized that the compiler had already > figured it out and written it to disk for me! > > More digging led me to https://www.stackage.org/haddock/lts-9.0/ghc-8.0.2/ > LoadIface.html#v:loadSrcInterface after which I got stuck. How does one > call this function? Specifically: > > * What is SDoc and how to construct a reasonable value for this argument? > * IsBootInterface would mostly be False, right? > * What does `Maybe FastString` represent and how does one construct it? > * Finally how does one evaluate the resulting monadic action to get access > to the underlying `ModIface`? > > -- Saurabh. > > > _______________________________________________ > ghc-devs mailing list > ghc-devs@haskell.org > http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs > >
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