-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Greetings, and thanks for your useful piece of software. I'm using ghc 5.04.2 which the web page warns may not work with hat. Even so, when I tried an older version, I had the same problem: the hat compilation was complaining about a missing IOExt module, so I added a '-package lang' to the makefile. Perhaps this won't work with nhc, but it solved one problem (more below). The next problem I had in compiling was that it didn't know about a certain data type, so I added an obvious "import" to the top of the file (more below). After having successfully built and installed hat, I tried to run it on my program and got a pattern match failure in the function "isIrrefutable" and so I fixed that bug which seems to be a typo. By the way, when I tried to build hat with nhc I ran out of stack space, but I wanted to use ghc anyway. The diffs for those three fixes (the first two of which may just be something about my compiler installation, but the third is certainly a bug) are below. After having spent some time getting hat to work, I can't use it on my program since hat does not yet support multi parameter type classes, so I thought I'd voice my opinion that supporting these type classes would be great :) peace, isaac diff -x'*.hi' -x'*.hx' -x'*lib*' -x'*script*' -u -r hat-2.00/src/compiler98/AuxFile.hs hat-2.00-altered/src/compiler98/AuxFile.hs - --- hat-2.00/src/compiler98/AuxFile.hs 2002-06-13 09:57:20.000000000 - -0400 +++ hat-2.00-altered/src/compiler98/AuxFile.hs 2003-01-16 15:44:47.000000000 -0500 @@ -440,7 +440,7 @@ and . (isNewTypeDataCon id :) . map isIrrefutableField $ fieldPats where isIrrefutableField (FieldExp _ _ pat) = isIrrefutable pat - - isIrrefutablePat _ = False + isIrrefutable _ = False isNewTypeDataCon id = case lookupAT identMap id of Just (Con Newtype _ _) -> True Only in hat-2.00-altered/src/compiler98: AuxFile.hs~ diff -x'*.hi' -x'*.hx' -x'*lib*' -x'*script*' -u -r hat-2.00/src/compiler98/Makefile hat-2.00-altered/src/compiler98/Makefile - --- hat-2.00/src/compiler98/Makefile 2002-06-07 12:13:21.000000000 - -0400 +++ hat-2.00-altered/src/compiler98/Makefile 2003-01-16 13:01:55.000000000 -0500 @@ -25,7 +25,7 @@ endif ifeq "ghc" "${HC}" IMPROVE = #-O - -HMAKEFLAGS := $(shell $(LOCAL)fixghc $(GHCSYM) +CTS -syslib exts - -CTS) $(IMPROVE) +HMAKEFLAGS := -package lang $(shell $(LOCAL)fixghc $(GHCSYM) +CTS - -syslib exts -CTS) $(IMPROVE) endif HMAKEFLAGS += $(shell echo $(BUILDOPTS)) diff -x'*.hi' -x'*.hx' -x'*lib*' -x'*script*' -u -r hat-2.00/src/hat/tools/LowLevel.hs hat-2.00-altered/src/hat/tools/LowLevel.hs - --- hat-2.00/src/hat/tools/LowLevel.hs 2002-06-13 11:50:30.000000000 - -0400 +++ hat-2.00-altered/src/hat/tools/LowLevel.hs 2003-01-16 12:54:10.000000000 -0500 @@ -47,6 +47,7 @@ ) where import FFIExtensions +import Addr -- Reference into the .hat file newtype FileNode = FileNode {int::Int} -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) Comment: Processed by Mailcrypt 3.5.8 http://mailcrypt.sourceforge.net/ iD8DBQE+JyW4BLPTZ7K4MaIRAqFlAJ9xFhYhToQiUHSOjHZnRojp/WPR0QCfSO1l iGsc3+LlHPwUE6jv4wsbx3Q= =lOAY -----END PGP SIGNATURE-----