From 713e883ad7816f0bb0e3cb7f3cb8fc2a636c805b Mon Sep 17 00:00:00 2001
From: hallgren <hallgren@chalmers.se>
Date: Mon, 28 Jan 2013 16:12:56 +0000
Subject: Better error message for Predef.error

+ Instead of "Internal error in ...", you now get a proper error message with
  a source location and a function name.
+ Also added some missing error value propagation in the partial evaluator.
+ Also some other minor cleanup and error handling fixes.
---
 src/compiler/GF/Compile.hs | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'src/compiler/GF/Compile.hs')

diff --git a/src/compiler/GF/Compile.hs b/src/compiler/GF/Compile.hs
index b8db1e1a9..9b71c0f39 100644
--- a/src/compiler/GF/Compile.hs
+++ b/src/compiler/GF/Compile.hs
@@ -30,7 +30,7 @@ import System.IO
 import System.Directory
 import System.FilePath
 import qualified Data.Map as Map
-import qualified Data.Set as Set
+--import qualified Data.Set as Set
 import Data.List(nub)
 import Data.Maybe (isNothing)
 import qualified Data.ByteString.Char8 as BS
@@ -55,7 +55,7 @@ link opts cnc gr = do
   let isv = (verbAtLeast opts Normal)
   putPointE Normal opts "linking ... " $ do
     let abs = err (const cnc) id $ abstractOfConcrete gr cnc
-    pgf <- ioeIO (mkCanon2pgf opts gr abs)
+    pgf <- mkCanon2pgf opts gr abs
     probs <- ioeIO (maybe (return . defaultProbabilities) readProbabilitiesFromFile (flag optProbsFile opts) pgf)
     ioeIO $ when (verbAtLeast opts Normal) $ putStrFlush "OK"     
     return $ setProbabilities probs 
@@ -196,7 +196,7 @@ compileSourceModule opts env@(k,gr,_) mb_gfFile mo@(i,mi) = do
                      refreshModule (k,gr) mo3
       mo4 <- runPass2 id Optimize "optimizing" $ optimizeModule opts gr mo3r
       mo5 <- if isModCnc (snd mo4) && flag optPMCFG opts
-             then runPass2' "generating PMCFG" $ generatePMCFG opts gr mo4
+             then runPass2' "generating PMCFG" $ generatePMCFG opts gr mb_gfFile mo4
              else runPass2' "" $ return mo4
       generateGFO k' mo5
 
@@ -215,9 +215,10 @@ compileSourceModule opts env@(k,gr,_) mb_gfFile mo@(i,mi) = do
     putpp s = if null s then id else putPointE Verbose opts ("  "++s++" ")
     idump pass = intermOut opts (Dump pass) . ppModule Internal
 
+    -- * Impedance matching
     runPass = runPass' fst fst snd (ioeErr . runCheck)
     runPass2 = runPass2e ioeErr
-    runPass2' = runPass2e ioeIO id Canon
+    runPass2' = runPass2e id id Canon
     runPass2e lift f = runPass' id f (const "") lift
 
     runPass' ret dump warn lift pass pp m =
-- 
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