#5164: Dump intermediate representations (-ddump-*) to a file
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Reporter: ezyang | Owner:
Type: feature request | Status: new
Priority: normal | Component: Compiler
Version: 7.0.3 | Keywords:
Testcase: | Blockedby:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: None/Unknown
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I would like to extend the -ddump- interface to support dumping our
intermediate representations to files. The reasons why this would be
useful are manifold:
* In the case of a single file being compiled, directly saving
intermediate representations to separate files would allow the user to
avoid having to post-process the stdout output of GHC to separate all the
different representations they may be interested in.
* In a large, multi-file project (e.g. GHC), a convention for where these
files are dumped would make it easier to do a compile with all of the low
level debug representations available, aiding manual debugging of compiled
GHC code and also perhaps paving the way towards C-- based debuginfo for
GHC binaries.
I'm not really sure what such an interface would look like, but my feeling
is that these generated files should be analogous to other auxiliary files
GHC generates (hi, etc.), with their file extension whatever comes have
the -ddump- section of the flag.
What do people think?
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5164>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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