edsko / ghc-dump-tree Goto Github PK
View Code? Open in Web Editor NEWDump GHC's abstract syntax trees
License: BSD 3-Clause "New" or "Revised" License
Dump GHC's abstract syntax trees
License: BSD 3-Clause "New" or "Revised" License
For the simple test
module A where
fun = 1
I get a panic. Replacing all 'return
I ran cabal install --only-dependencies
but it fails with the error:
Resolving dependencies...
Notice: installing into a sandbox located at
/Users/John/Development/Haskell/ghc-dump-tree/ghc-dump-tree/.cabal-sandbox
Configuring pretty-show-1.6.9...
Failed to install pretty-show-1.6.9
Build log ( /Users/John/Development/Haskell/ghc-dump-tree/ghc-dump-tree/.cabal-sandbox/logs/pretty-show-1.6.9.log ):
Configuring pretty-show-1.6.9...
setup-Simple-Cabal-1.22.2.0-x86_64-osx-ghc-7.10.1: The program 'happy' is
required but it could not be found.
cabal: Error: some packages failed to install:
pretty-show-1.6.9 failed during the configure step. The exception was:
ExitFailure 1
The contents of the log file pretty-show-1.6.9.log
is:
Configuring pretty-show-1.6.9...
setup-Simple-Cabal-1.22.2.0-x86_64-osx-ghc-7.10.1: The program 'happy' is
required but it could not be found.
We should move to json
rather than aeson
to avoid object fields sorted.
After discussing it with @alanz, we think it may be beneficial to have ghc-dump-tree as a library and exposed via a haskell-ide-engine plugin. I will try to work on that and will do a pr when ready. Let me know if I should be aware of any pitfalls.
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