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definition:
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processShow :: ReplState -> String -> IO (Maybe ReplState)
processShow rst args = do
modname <- getModuleName rst args
mbf <- lookupModuleSource (loadPaths rst) modname
case mbf of
Nothing -> skipCommand "source file not found"
Just (_,fn) -> do
pager <- getEnv "PAGER"
let rcshowcmd = rcValue (rcVars rst) "showcommand"
showprog = if not (null rcshowcmd)
then rcshowcmd
else (if null pager then "cat" else pager)
system $ showprog ++ ' ' : fn
putStrLn ""
return (Just rst)
|
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demand:
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no demanded arguments
|
|
deterministic:
|
deterministic operation
|
|
documentation:
|
--- Process :show command
|
|
failfree:
|
<FAILING>
|
|
indeterministic:
|
referentially transparent operation
|
|
infix:
|
no fixity defined
|
|
iotype:
|
{(_,_) |-> _}
|
|
name:
|
processShow
|
|
precedence:
|
no precedence defined
|
|
result-values:
|
_
|
|
signature:
|
REPL.State.ReplState -> String
-> Prelude.IO (Prelude.Maybe REPL.State.ReplState)
|
|
solution-complete:
|
operation might suspend on free variables
|
|
terminating:
|
possibly non-terminating
|
|
totally-defined:
|
possibly non-reducible on same data term
|