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| author | Simon Peyton Jones <simonpj@microsoft.com> | 2016-09-25 15:48:29 +0100 |
|---|---|---|
| committer | Simon Peyton Jones <simonpj@microsoft.com> | 2016-09-30 12:53:24 +0100 |
| commit | 3012c431e466c55fccff0dd916987a9478cb1ae3 (patch) | |
| tree | 8a0e5c8fee20f17bac2cfbad0bfc07f55e0ecc60 | |
| parent | 66a8c194520aadcaa0482736f3fdd4d2f31a5586 (diff) | |
| download | haskell-3012c431e466c55fccff0dd916987a9478cb1ae3.tar.gz | |
Add Outputable Report in TcErrors
...just for debug output
| -rw-r--r-- | compiler/typecheck/TcErrors.hs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/compiler/typecheck/TcErrors.hs b/compiler/typecheck/TcErrors.hs index b27e073082..d49ca64ca5 100644 --- a/compiler/typecheck/TcErrors.hs +++ b/compiler/typecheck/TcErrors.hs @@ -216,6 +216,11 @@ data Report , report_relevant_bindings :: [SDoc] } +instance Outputable Report where -- Debugging only + ppr (Report { report_important = imp, report_relevant_bindings = rel }) + = vcat [ text "important:" <+> vcat imp + , text "relevant:" <+> vcat rel ] + {- Note [Error report] The idea is that error msgs are divided into three parts: the main msg, the context block (\"In the second argument of ...\"), and the relevant bindings |