git.iko.soy/Idris-dev
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Idris-dev/codegen/idris-codegen-c/Main.hs
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1module Main where
3import Idris.AbsSyntax
4import Idris.ElabDecls
5import Idris.Main
6import Idris.Options
7import IRTS.CodegenC
8import IRTS.Compiler
10import Util.System
12import Control.Monad
13import System.Environment
14import System.Exit
18data Opts = Opts { inputs :: [FilePath],
19 interface :: Bool,
20 output :: FilePath }
22showUsage = do putStrLn "A code generator which is intended to be called by the compiler, not by a user."
23 putStrLn "Usage: idris-codegen-c <ibc-files> [-o <output-file>]"
24 exitWith ExitSuccess
26getOpts :: IO Opts
27getOpts = do xs <- getArgs
28 return $ process (Opts [] False "a.out") xs
29 where
30 process opts ("-o":o:xs) = process (opts { output = o }) xs
31 process opts ("--interface":xs) = process (opts { interface = True }) xs
32 process opts (x:xs) = process (opts { inputs = x:inputs opts }) xs
33 process opts [] = opts
35c_main :: Opts -> Idris ()
36c_main opts = do runIO setupBundledCC
37 elabPrims
38 loadInputs (inputs opts) Nothing
39 mainProg <- if interface opts
40 then liftM Just elabMain
41 else return Nothing
42 ir <- compile (Via IBCFormat "c") (output opts) mainProg
43 runIO $ codegenC ir
45main :: IO ()
46main = do opts <- getOpts
47 if (null (inputs opts))
48 then showUsage
49 else runMain (c_main opts)