blip (empty) → 0.1.0

raw patch · 4 files changed

+210/−0 lines, 4 filesdep +basedep +bliplibdep +bytestringsetup-changed

Dependencies added: base, bliplib, bytestring, containers, filepath, language-python, mtl, old-time, parseargs, pretty

Files

LICENSE +30/−0
Setup.lhs +3/−0
blip.cabal +37/−0
src/Main.hs +140/−0

+ LICENSE view

@@ -0,0 +1,30 @@+Copyright Bernard Pope 2012, 2013++All rights reserved.++Redistribution and use in source and binary forms, with or without+modification, are permitted provided that the following conditions are met:++    * Redistributions of source code must retain the above copyright+      notice, this list of conditions and the following disclaimer.++    * Redistributions in binary form must reproduce the above+      copyright notice, this list of conditions and the following+      disclaimer in the documentation and/or other materials provided+      with the distribution.++    * Neither the name of Bernard Pope nor the names of other+      contributors may be used to endorse or promote products derived+      from this software without specific prior written permission.++THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

+ Setup.lhs view

@@ -0,0 +1,3 @@+#!/usr/bin/env runhaskell+> import Distribution.Simple+> main = defaultMain

+ blip.cabal view

@@ -0,0 +1,37 @@+Name:                blip +Version:             0.1.0+Synopsis:            Python to bytecode compiler.+Homepage:            https://github.com/bjpop/blip  +License:             BSD3+License-file:        LICENSE+Author:              Bernie Pope+Maintainer:          Bernie Pope <florbitous@gmail.com>+Stability:           Experimental+category:            Language +Build-type:          Simple+Cabal-version:       >=1.8+Description:+ Compiles Python 3 source code to bytecode. The resulting+ bytecode is written to a '.pyc' file, compatible with the+ CPython implementation (the default Python interpreter).++source-repository head+  type: git+  location: git://github.com/bjpop/blip.git++Executable blip {+  ghc-options: -Wall -fno-warn-name-shadowing -fno-warn-orphans+  main-is: Main.hs+  hs-source-dirs: src+  build-depends: base==4.*,+     bliplib == 0.1.*,+     -- directory == 1.2.*,+     filepath == 1.3.*,+     parseargs == 0.1.* ,+     language-python==0.4.*,+     mtl==2.1.*,+     containers==0.5.*,+     bytestring==0.10.*,+     old-time==1.1.*,+     pretty==1.1.*+}

+ src/Main.hs view

@@ -0,0 +1,140 @@+-----------------------------------------------------------------------------+-- |+-- Module      : Main+-- Copyright   : (c) 2012, 2013 Bernie Pope+-- License     : BSD-style+-- Maintainer  : florbitous@gmail.com+-- Stability   : experimental+-- Portability : ghc+--+-- The Main module of Blip. Contains the entry point of the compiler, and+-- handles command line argument parsing.+--+-----------------------------------------------------------------------------++module Main where++import System.Exit (exitFailure, exitSuccess)+import Control.Monad (when)+import System.Console.ParseArgs+   (Argtype (..), argDataOptional, Arg (..)+   , gotArg, getArg, parseArgsIO, ArgsComplete (..), Args(..))+import Blip.Version (versionString)+import Compile (compileFile)+import ProgName (progName)+import Data.Set as Set (Set, empty, singleton, union)+import Types (Dumpable (..), CompileConfig (..))++main :: IO ()+main = do+   let argDescriptions = [version, help, magicNumberArg, dumpScopeArg, dumpASTArg]+   args <- parseArgsIO (ArgsTrailing "PYTHON_FILES") argDescriptions+   when (gotArg args Help) $ do+      putStrLn $ argsUsage args+      exitSuccess+   when (gotArg args Version) $ do+      putStrLn $ progName ++ " version " ++ versionString+      exitSuccess+   let pythonFiles = argsRest args+   when (null pythonFiles) $ do+      putStrLn $ progName ++ ": no Python input files specified"+      putStrLn $ argsUsage args+      exitFailure +   let magicNumber = getMagicNumber args+       dumps = getDumps args+       config = initCompileConfig +                   { compileConfig_magic = fromIntegral magicNumber+                   , compileConfig_dumps = dumps }+   mapM_ (compileFile config) pythonFiles++data ArgIndex+   = Help+   | InputFile+   | Version+   | MagicNumber+   | Dump Dumpable+   deriving (Eq, Ord, Show)++help :: Arg ArgIndex+help =+   Arg+   { argIndex = Help+   , argAbbr = Just 'h'+   , argName = Just "help"+   , argData = Nothing+   , argDesc = "Display a help message."+   }++inputFile :: Arg ArgIndex+inputFile =+   Arg+   { argIndex = InputFile+   , argAbbr = Nothing+   , argName = Nothing+   , argData = argDataOptional "input file" ArgtypeString+   , argDesc = "Name of the input Python file."+   }++version :: Arg ArgIndex+version =+   Arg+   { argIndex = Version+   , argAbbr = Nothing+   , argName = Just "version"+   , argData = Nothing+   , argDesc = "Show the version number of " ++ progName ++ "."+   }++-- this works for CPython 3.3.0+defaultMagicNumber :: Int+defaultMagicNumber = 168627358++magicNumberArg :: Arg ArgIndex+magicNumberArg =+   Arg+   { argIndex = MagicNumber +   , argAbbr = Nothing+   , argName = Just "magic"+   , argData = argDataOptional "magic number" ArgtypeInt+   , argDesc = "Magic number to include in pyc file header."+   }++dumpScopeArg :: Arg ArgIndex+dumpScopeArg =+   Arg+   { argIndex = Dump DumpScope+   , argAbbr = Nothing+   , argName = Just "dumpScope"+   , argData = Nothing+   , argDesc = "Dump the variable scope."+   }++dumpASTArg :: Arg ArgIndex+dumpASTArg =+   Arg+   { argIndex = Dump DumpAST+   , argAbbr = Nothing+   , argName = Just "dumpAST"+   , argData = Nothing+   , argDesc = "Dump the abstract syntax tree."+   }++getInputFile :: Args ArgIndex -> Maybe FilePath+getInputFile args = getArg args InputFile ++getMagicNumber :: Args ArgIndex -> Int+getMagicNumber args = +   maybe defaultMagicNumber id $ getArg args MagicNumber++getDumps :: Args ArgIndex -> Set.Set Dumpable +getDumps args+   = getDump DumpScope args `Set.union` getDump DumpAST args+   where+   getDump :: Dumpable -> Args ArgIndex -> Set.Set Dumpable+   getDump dumpable args+      | gotArg args (Dump dumpable) = Set.singleton dumpable+      | otherwise = Set.empty++initCompileConfig :: CompileConfig+initCompileConfig =+   CompileConfig { compileConfig_magic = 0, compileConfig_dumps = Set.empty }