[GHC] #3140: (Windows?) GHCi doesn't load hierachical modules

GHC trac at galois.com
Thu Apr 2 10:17:40 EDT 2009


#3140: (Windows?) GHCi doesn't load hierachical modules
--------------------+-------------------------------------------------------
Reporter:  Orphi    |          Owner:        
    Type:  bug      |         Status:  new   
Priority:  normal   |      Component:  GHCi  
 Version:  6.10.1   |       Severity:  normal
Keywords:           |       Testcase:        
      Os:  Windows  |   Architecture:  x86   
--------------------+-------------------------------------------------------
 On Windows, if you double-click a `*.hs` file, GHCi starts up and loads
 the corresponding module. Usually this works fine, however... it seems to
 trip over on hierachical module names. Specifically:

 * Create file `Foo\Bar.hs` containing a module `Foo.Bar` that imports
 `Foo.Baz`.
 * Create file `Foo\Baz.hs` containing a module `Foo.Baz`.
 * Double-click on `Foo\Bar.hs`; GHCi whines that it can't find `Foo.Baz`
 in the search path.

 This happens regardless of whether either of the modules is compiled or
 not. An easy work-around is to invoke GHCi from the command prompt with
 the CWD below the `Foo` folder. But it's kind of tedious to have to do
 that.

 Note that if `Foo.Bar` doesn't import anything (or only modules from
 packages) then it works just fine. GHCi just doesn't seem to be able to
 find source files in the current folder if they have hierachical names.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3140>
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