Tue May 15 05:45:54 PDT 2007 Simon Marlow <[EMAIL PROTECTED]>
* GHCi debugger: new flag -fbreak-on-exception
When -fbreak-on-exception is set, an exception will cause GHCi to
suspend the current computation and return to the prompt, where the
history of the current evaluation can be inspected (if we are in
:trace). This isn't on by default, because the behaviour could be
confusing: for example, ^C will cause a breakpoint. It can be very
useful for finding the cause of a "head []" or a "fromJust Nothing",
though.
M ./compiler/ghci/InteractiveUI.hs -3 +4
M ./compiler/main/DynFlags.hs -1 +3
M ./compiler/main/InteractiveEval.hs -56 +78
M ./includes/RtsExternal.h +5
M ./includes/StgMiscClosures.h +1
M ./rts/Exception.cmm -12 +48
M ./rts/Interpreter.c -23 +16
M ./rts/Linker.c -2 +1
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