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Diffstat (limited to 'docs/users_guide/debugging.rst')
| -rw-r--r-- | docs/users_guide/debugging.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/docs/users_guide/debugging.rst b/docs/users_guide/debugging.rst index 9994ef9d6a..8191048b92 100644 --- a/docs/users_guide/debugging.rst +++ b/docs/users_guide/debugging.rst @@ -170,6 +170,12 @@ Dumping out compiler intermediate structures dump foreign export stubs + .. ghc-flag:: -ddump-json + + Dump error messages as JSON documents. This is intended to be consumed + by external tooling. A good way to use it is in conjunction with + :ghc-flag:`-ddump-to-file`. + .. ghc-flag:: -ddump-simpl-iterations Show the output of each *iteration* of the simplifier (each run of |