Also, "-ddump-hi" dumps the same information at compile time. -harendra
On 3 December 2017 at 01:50, Harendra Kumar <harendra.ku...@gmail.com> wrote: > 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/haddo >> ck/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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