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Diffstat (limited to 'utils/check-exact/README')
| -rw-r--r-- | utils/check-exact/README | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/utils/check-exact/README b/utils/check-exact/README index b27f0fbd55..07a7f26ed9 100644 --- a/utils/check-exact/README +++ b/utils/check-exact/README @@ -22,3 +22,28 @@ The utility generates the following files for ToBeTested.hs - ToBeTested.ppr.hs : the ppr result - ToBeTested.hs.ast : the AST of the original source - ToBeTested.hs.ast.new : the AST of the re-parsed ppr source + +For local development/testing +----------------------------- + +From this directory, start a ghci session by + +../../_build/stage1/bin/ghc --interactive + +Update Main.hs. the _tt function to firstly have the full local path +of the _build/stage1/lib directory, and secondly to be cofigured to +run the test of interest, by adding a new line to the many already +there or commenting in the one (only) to be tested. + +ghci> :l Main.hs +ghci> _tt +*** Exception: ExitSuccess + +Note: GHC may complain about missing modules, etc, this is not a +problem, the test passes if it gives ExitSuccess at the end. + +Logging can be turned on by flipping the comments in Utils.hs + +debugEnabledFlag = True +-- debugEnabledFlag = False + |