module SrcLoc (
SrcLoc, -- Abstract
- mkSrcLoc,
- noSrcLoc, isNoSrcLoc, -- "I'm sorry, I haven't a clue"
+ mkSrcLoc, isGoodSrcLoc,
+ noSrcLoc, -- "I'm sorry, I haven't a clue"
- mkIfaceSrcLoc, -- Unknown place in an interface
- -- (this one can die eventually ToDo)
-
- mkBuiltinSrcLoc, -- Something wired into the compiler
-
- mkGeneratedSrcLoc, -- Code generated within the compiler
+ importedSrcLoc, -- Unknown place in an interface
+ builtinSrcLoc, -- Something wired into the compiler
+ generatedSrcLoc, -- Code generated within the compiler
incSrcLine, replaceSrcLine,
import Util ( thenCmp )
import Outputable
import FastString ( unpackFS )
-import GlaExts ( Int(..), (+#) )
+import FastTypes
+import FastString
+import GlaExts ( (+#) )
\end{code}
%************************************************************************
this is the obvious stuff:
\begin{code}
data SrcLoc
- = NoSrcLoc
+ = SrcLoc FastString -- A precise location (file name)
+ FastInt
- | SrcLoc FAST_STRING -- A precise location (file name)
- FAST_INT
+ | UnhelpfulSrcLoc FastString -- Just a general indication
- | UnhelpfulSrcLoc FAST_STRING -- Just a general indication
+ | NoSrcLoc
\end{code}
Note that an entity might be imported via more than one route, and
Things to make 'em:
\begin{code}
-noSrcLoc = NoSrcLoc
-mkSrcLoc x IBOX(y) = SrcLoc x y
-
-mkIfaceSrcLoc = UnhelpfulSrcLoc SLIT("<an interface file>")
-mkBuiltinSrcLoc = UnhelpfulSrcLoc SLIT("<built-into-the-compiler>")
-mkGeneratedSrcLoc = UnhelpfulSrcLoc SLIT("<compiler-generated-code>")
+mkSrcLoc x y = SrcLoc x (iUnbox y)
+noSrcLoc = NoSrcLoc
+importedSrcLoc = UnhelpfulSrcLoc FSLIT("<imported>")
+builtinSrcLoc = UnhelpfulSrcLoc FSLIT("<built-into-the-compiler>")
+generatedSrcLoc = UnhelpfulSrcLoc FSLIT("<compiler-generated-code>")
-isNoSrcLoc NoSrcLoc = True
-isNoSrcLoc other = False
+isGoodSrcLoc (SrcLoc _ _) = True
+isGoodSrcLoc other = False
-srcLocFile :: SrcLoc -> FAST_STRING
+srcLocFile :: SrcLoc -> FastString
srcLocFile (SrcLoc fname _) = fname
-srcLocLine :: SrcLoc -> FAST_INT
+srcLocLine :: SrcLoc -> FastInt
srcLocLine (SrcLoc _ l) = l
incSrcLine :: SrcLoc -> SrcLoc
incSrcLine (SrcLoc s l) = SrcLoc s (l +# 1#)
incSrcLine loc = loc
-replaceSrcLine :: SrcLoc -> FAST_INT -> SrcLoc
+replaceSrcLine :: SrcLoc -> FastInt -> SrcLoc
replaceSrcLine (SrcLoc s _) l = SrcLoc s l
\end{code}
instance Outputable SrcLoc where
ppr (SrcLoc src_path src_line)
= getPprStyle $ \ sty ->
- if userStyle sty then
- hcat [ text src_file, char ':', int IBOX(src_line) ]
+ if userStyle sty || debugStyle sty then
+ hcat [ ftext src_path, char ':', int (iBox src_line) ]
else
- if debugStyle sty then
- hcat [ ptext src_path, char ':', int IBOX(src_line) ]
- else
- hcat [text "{-# LINE ", int IBOX(src_line), space,
- char '\"', ptext src_path, text " #-}"]
+ hcat [text "{-# LINE ", int (iBox src_line), space,
+ char '\"', ftext src_path, text " #-}"]
where
src_file = unpackFS src_path -- Leave the directory prefix intact,
-- so emacs can find the file
- ppr (UnhelpfulSrcLoc s) = ptext s
-
- ppr NoSrcLoc = text "<NoSrcLoc>"
+ ppr (UnhelpfulSrcLoc s) = ftext s
+ ppr NoSrcLoc = ptext SLIT("<No locn>")
\end{code}