X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fmain%2FStaticFlags.hs;h=96f8b4b715f0b70d4afb6b9c8639e9c6da596dc5;hb=edc0bafd3fcd01b85a2e8894e5dfe149eb0e0857;hp=880206417d1234440a5d2554302849db97a5a0f5;hpb=1e4f900ade324e2db2f886a11d7cb571ad5f180c;p=ghc-hetmet.git

diff --git a/compiler/main/StaticFlags.hs b/compiler/main/StaticFlags.hs
index 8802064..96f8b4b 100644
--- a/compiler/main/StaticFlags.hs
+++ b/compiler/main/StaticFlags.hs
@@ -21,6 +21,7 @@ module StaticFlags (
 
 	-- Output style options
 	opt_PprUserLength,
+	opt_PprCols,
 	opt_PprCaseAsLet,
 	opt_PprStyle_Debug, opt_TraceLevel,
         opt_NoDebugOutput,
@@ -233,8 +234,21 @@ opt_SuppressTypeSignatures
 
 -- | Display case expressions with a single alternative as strict let bindings
 opt_PprCaseAsLet :: Bool
-opt_PprCaseAsLet
-	= lookUp   (fsLit "-dppr-case-as-let")
+opt_PprCaseAsLet		= lookUp   (fsLit "-dppr-case-as-let")
+
+-- | Set the maximum width of the dumps
+--   If GHC's command line options are bad then the options parser uses the
+--   pretty printer display the error message. In this case the staticFlags
+--   won't be initialized yet, so we must check for this case explicitly 
+--   and return the default value.
+opt_PprCols :: Int
+opt_PprCols 
+ = unsafePerformIO
+ $ do	ready <- readIORef v_opt_C_ready
+	if (not ready)
+		then return 100
+		else return $ lookup_def_int "-dppr-cols" 100
+
 
 opt_PprStyle_Debug  :: Bool
 opt_PprStyle_Debug              = lookUp  (fsLit "-dppr-debug")