February 2003 - Cvs-nhc98

Preparation for move to cvs.haskell.org
by Malcolm Wallace 27 Feb '03

27 Feb '03

To all users of the CVS repository for nhc98. We are planning to move the CVS repository from hinken.sparud.net to cvs.haskell.org. Although we haven't decided exactly when to move, the idea is to coincide roughly with a new release of nhc98, which means soon, probably in about a week's time. This message is to give you warning of the upcoming move, so you can prepare. If you have made changes to your local tree that you think should be committed, it will be easier to check them in before the move, rather than after. Also, at the time of the move, we will probably undertake a small re-arrangement of the source tree to split nhc98, hmake, and hat into separate projects that can be checked out independently from each other. What should you do after the move? * Assuming you have no local uncommited modifications in your tree, it should be as simple as deleting the old tree and checking out a new one from the new location. * If you have uncommited modifications that you wish to keep, then it is slightly trickier. You will need to replace all of the "CVS/Root" and "CVS/Repository" files throughout the tree to point to the new locations. (It would be relatively straightforward to write a script to find and replace them I suppose.) * If you currently have write-access to the hinken.sparud.net repository, but not to the cvs.haskell.org repository, then you should email Jeff Lewis <jlewis(a)galconn.com> to request write-access to the latter. If you have any questions or problems, use this list (cvs-nhc98(a)haskell.org) Regards, Malcolm

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No log message
by malcolm＠sparud.net 27 Feb '03

27 Feb '03

malcolm: Thu Feb 27 11:19:30 CET 2003 Update of /usr/src/master/nhc/src/runtime/Integer In directory hinken:/tmp/cvs-serv13293 Modified Files: asmlong.h Log Message: Fixes for m68000 assembly code.

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Fix two bugs in hat-trail's help text when using a short t
by malcolm＠sparud.net 26 Feb '03

26 Feb '03

malcolm: Wed Feb 26 17:59:33 CET 2003 Update of /usr/src/master/nhc/src/hat/tools In directory hinken:/tmp/cvs-serv22513 Modified Files: HatTrail.hs Log Message: Fix two bugs in hat-trail's help text when using a short terminal window. * Invoking :h from the initial "output/error" selection panes, the help text scrolls over the upper panes, and the display is corrupted on return. * Invoking :h later, the help text scrolls out of view behind the upper panes, and there is no way of knowing (a) that it has done so, and (b) what the hidden text says. The solution is to implement a simple 'more'-style viewer that adapts to the exact height of the lower (trail) pane.

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Unbreak for builds with ghc-4.0x.
by malcolm＠sparud.net 25 Feb '03

25 Feb '03

malcolm: Tue Feb 25 22:13:06 CET 2003 Update of /usr/src/master/nhc/src/hmake In directory hinken:/tmp/cvs-serv4065 Modified Files: Makefile Log Message: Unbreak for builds with ghc-4.0x.

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Some preparation towards getting Cygwin/ghc builds working
by malcolm＠sparud.net 25 Feb '03

25 Feb '03

malcolm: Tue Feb 25 22:11:25 CET 2003 Update of /usr/src/master/nhc In directory hinken:/tmp/cvs-serv4017 Modified Files: hmake-configure Makefile.inc Log Message: Some preparation towards getting Cygwin/ghc builds working again.

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Some preparation towards getting Cygwin/ghc builds working
by malcolm＠sparud.net 25 Feb '03

25 Feb '03

malcolm: Tue Feb 25 22:11:26 CET 2003 Update of /usr/src/master/nhc/script In directory hinken:/tmp/cvs-serv4017/script Modified Files: confhc hmake.inst Log Message: Some preparation towards getting Cygwin/ghc builds working again.

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Fix type error in the last commit for this file.
by malcolm＠sparud.net 25 Feb '03

25 Feb '03

malcolm: Tue Feb 25 21:15:20 CET 2003 Update of /usr/src/master/nhc/src/hmake In directory hinken:/tmp/cvs-serv3415 Modified Files: GetDep.hs Log Message: Fix type error in the last commit for this file.

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No log message
by malcolm＠sparud.net 25 Feb '03

25 Feb '03

malcolm: Tue Feb 25 14:44:01 CET 2003 Update of /usr/src/master/nhc/src/compiler98 In directory hinken:/tmp/cvs-serv28710/src/compiler98 Modified Files: Fixity.hs Log Message: Give a useful error message when an operator chain fails to parse, rather than just crashing.

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One more instance of ('T':) that should be ("Hat/"++).
by malcolm＠sparud.net 23 Feb '03

23 Feb '03

malcolm: Sun Feb 23 11:59:00 CET 2003 Update of /usr/src/master/nhc/src/hmake In directory hinken:/tmp/cvs-serv18702 Modified Files: GetDep.hs Log Message: One more instance of ('T':) that should be ("Hat/"++).

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Remove bug in type checker and addition of some error mess
by olaf＠sparud.net 20 Feb '03

20 Feb '03

olaf: Thu Feb 20 19:23:29 CET 2003 Update of /usr/src/master/nhc/src/compiler98 In directory hinken:/tmp/cvs-serv12039/src/compiler98 Modified Files: Derive.hs RenameLib.hs Type.hs TypeCtx.hs TypeUnify.hs Log Message: Remove bug in type checker and addition of some error messages. Type unification in TypeUnify was wrong! Given two types c t1 ... tn and c s1 ... sn unification would just unify the two list of arguments. However, if c is a type synonym, this is wrong! A type synonym always has to be expanded. Example: type T a = Int Then unifying T Bool and T Int should not force unification of Bool and Int! With the removal of this bug the Hat transformed Prelude type checks again in nhc98 (instead of producing obscure error "The class Main.Integral has no instance for the type Hat.Hat.List.") Also extended error message "The class ... has no instance for the type ..." so that it gives additional position information. Furthermore the renamer (defineDefaultMethod) did fall over if a method was also declared outside of the class. Now an appropriate error message is produced.

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