{-# LANGUAGE DataKinds #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE Strict #-}

module GHC.CmmToAsm.Wasm (ncgWasm) where

import Data.ByteString.Builder
import Data.Maybe
import Data.Semigroup
import GHC.Cmm
import GHC.CmmToAsm.Wasm.Asm
import GHC.CmmToAsm.Wasm.FromCmm
import GHC.CmmToAsm.Wasm.Types
import GHC.Data.Stream (Stream, StreamS (..), runStream)
import GHC.Platform
import GHC.Prelude
import GHC.Types.Unique.Supply
import GHC.Unit
import System.IO

ncgWasm ::
  Platform ->
  UniqSupply ->
  ModLocation ->
  Handle ->
  Stream IO RawCmmGroup a ->
  IO a
ncgWasm :: forall a.
Platform
-> UniqSupply
-> ModLocation
-> Handle
-> Stream IO RawCmmGroup a
-> IO a
ncgWasm Platform
platform UniqSupply
us ModLocation
loc Handle
h Stream IO RawCmmGroup a
cmms = do
  (a
r, WasmCodeGenState 'I32
s) <- forall a.
Platform
-> UniqSupply
-> Stream IO RawCmmGroup a
-> IO (a, WasmCodeGenState 'I32)
streamCmmGroups Platform
platform UniqSupply
us Stream IO RawCmmGroup a
cmms
  Handle -> Builder -> IO ()
hPutBuilder Handle
h forall a b. (a -> b) -> a -> b
$ Builder
"# " forall a. Semigroup a => a -> a -> a
<> String -> Builder
string7 (forall a. HasCallStack => Maybe a -> a
fromJust forall a b. (a -> b) -> a -> b
$ ModLocation -> Maybe String
ml_hs_file ModLocation
loc) forall a. Semigroup a => a -> a -> a
<> Builder
"\n\n"
  Handle -> Builder -> IO ()
hPutBuilder Handle
h forall a b. (a -> b) -> a -> b
$ forall a. WasmAsmM a -> Builder
execWasmAsmM forall a b. (a -> b) -> a -> b
$ forall (w :: WasmType).
WasmTypeTag w -> WasmCodeGenState w -> WasmAsmM ()
asmTellEverything WasmTypeTag 'I32
TagI32 WasmCodeGenState 'I32
s
  forall (f :: * -> *) a. Applicative f => a -> f a
pure a
r

streamCmmGroups ::
  Platform ->
  UniqSupply ->
  Stream IO RawCmmGroup a ->
  IO (a, WasmCodeGenState 'I32)
streamCmmGroups :: forall a.
Platform
-> UniqSupply
-> Stream IO RawCmmGroup a
-> IO (a, WasmCodeGenState 'I32)
streamCmmGroups Platform
platform UniqSupply
us Stream IO RawCmmGroup a
cmms =
  forall {f :: * -> *} {w :: WasmType} {a}.
Monad f =>
WasmCodeGenState w
-> StreamS f RawCmmGroup a -> f (a, WasmCodeGenState w)
go (forall (w :: WasmType).
Platform -> UniqSupply -> WasmCodeGenState w
initialWasmCodeGenState Platform
platform UniqSupply
us) forall a b. (a -> b) -> a -> b
$
    forall (m :: * -> *) r' r.
Applicative m =>
Stream m r' r -> StreamS m r' r
runStream Stream IO RawCmmGroup a
cmms
  where
    go :: WasmCodeGenState w
-> StreamS f RawCmmGroup a -> f (a, WasmCodeGenState w)
go WasmCodeGenState w
s (Done a
r) = forall (f :: * -> *) a. Applicative f => a -> f a
pure (a
r, WasmCodeGenState w
s)
    go WasmCodeGenState w
s (Effect f (StreamS f RawCmmGroup a)
m) = f (StreamS f RawCmmGroup a)
m forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= WasmCodeGenState w
-> StreamS f RawCmmGroup a -> f (a, WasmCodeGenState w)
go WasmCodeGenState w
s
    go WasmCodeGenState w
s (Yield RawCmmGroup
cmm StreamS f RawCmmGroup a
k) = WasmCodeGenState w
-> StreamS f RawCmmGroup a -> f (a, WasmCodeGenState w)
go (forall (w :: WasmType) a.
WasmCodeGenM w a -> WasmCodeGenState w -> WasmCodeGenState w
wasmExecM (forall (w :: WasmType). RawCmmGroup -> WasmCodeGenM w ()
onCmmGroup RawCmmGroup
cmm) WasmCodeGenState w
s) StreamS f RawCmmGroup a
k