[ ghc-Bugs-1065291 ] Bad error message for missing module in --make

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Bugs item #1065291, was opened at 2004-11-12 16:37
Message generated for change (Comment added) made by simonmar
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Category: Compiler
Group: 6.2.2
Status: Open
Resolution: None
>Priority: 3
Submitted By: Simon Peyton Jones (simonpj)
Assigned to: Simon Marlow (simonmar)
>Summary: Bad error message for missing module in --make

Initial Comment:
GHC --make uses getImports to find the imports of a 
module.  It has two bad flaws

a) it's a total hack, parsing the file character by 
character, which is really slow.   We though it stopped 
after the import statements but it doesn't; it chunters 
through the entire file

b) It does not record line numbers, so if the imported 
module does not exist, there is no decent error message

We have a plan; this bug report makes sure we don't 
forget.

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>Comment By: Simon Marlow (simonmar)
Date: 2005-01-17 15:12

Message:
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Partially fixed, (b) still to do.

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