cleaned up command line args module a bit

src/Convert.hs

@@ -7,7 +7,7 @@
 module Convert (convert) where
 
 import Language.SystemVerilog.AST
-import qualified Args as Args
+import Job (Target(..))
 
 import qualified Convert.AlwaysKW
 import qualified Convert.CaseKW
@@ -19,24 +19,24 @@ import qualified Convert.StarPort
 
 type Phase = AST -> AST
 
-phases :: Args.Target -> [Phase]
-phases Args.YOSYS =
+phases :: Target -> [Phase]
+phases YOSYS =
     [ Convert.Typedef.convert
     , Convert.PackedArray.convert
     , Convert.StarPort.convert
     ]
-phases Args.VTR =
-    (phases Args.YOSYS) ++
+phases VTR =
+    (phases YOSYS) ++
     [ Convert.AlwaysKW.convert
     , Convert.CaseKW.convert
     , Convert.Logic.convert
     , Convert.SplitPortDecl.convert
     ]
 
-run :: Args.Target -> Phase
+run :: Target -> Phase
 run target = foldr (.) id $ phases target
 
-convert :: Args.Target -> Phase
+convert :: Target -> Phase
 convert target = convert'
     where
         convert' :: Phase

src/Job.hs

@@ -5,7 +5,7 @@
  - Command line arguments.
  -}
 
-module Args where
+module Job where
 
 import System.Console.CmdArgs
 
@@ -28,5 +28,5 @@ defaultJob = Job
     &= details [ "sv2v converts SystemVerilog to Verilog."
                , "More info: https://github.com/zachjs/sv2v" ]
 
-readArgs :: IO Job
-readArgs = cmdArgs defaultJob
+readJob :: IO Job
+readJob = cmdArgs defaultJob

src/sv2v.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE DeriveDataTypeable #-}
 {- sv2v
  - Author: Zachary Snow <zach@zachjs.com>
  -
@@ -8,21 +7,19 @@
 import System.IO
 import System.Exit
 
-import Args (readArgs, target, file)
+import Job (readJob, file, target)
 import Convert (convert)
 import Language.SystemVerilog.Parser
 
 main :: IO ()
 main = do
-    args <- readArgs
-    let filePath = file args
+    job <- readJob
+    -- parse the input file
+    let filePath = file job
     content <- readFile filePath
     let ast = parseFile [] filePath content
-    let res = Right (convert (target args) ast)
-    case res of
-        Left  _ -> do
-            --hPrint stderr err
-            exitFailure
-        Right str -> do
-            hPrint stdout str
-            exitSuccess
+    -- convert the file
+    let ast' = convert (target job) ast
+    -- print the converted file out
+    hPrint stdout ast'
+    exitSuccess

sv2v.cabal

@@ -48,7 +48,7 @@ executable sv2v
     Convert.Typedef
     Convert.Traverse
     -- sv2v CLI modules
-    Args
+    Job
   ghc-options:
     -O3
     -threaded