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path: root/gnu/packages/patches/elm-ghc9.2.patch
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From f88043586337ba33cf3e852908003a71dfe493ec Mon Sep 17 00:00:00 2001
From: vlkrs <codeberg@schlecht.dev>
Date: Sat, 7 May 2022 17:51:15 +0200
Subject: [PATCH] Quick hack to build on ghc-9.2.2

Taken from
https://codeberg.org/vlkrs/elm-compiler/commit/f88043586337ba33cf3e852908003a71dfe493ec.patch

diff --git a/compiler/src/Data/Name.hs b/compiler/src/Data/Name.hs
index beecf114..39b64029 100644
--- a/compiler/src/Data/Name.hs
+++ b/compiler/src/Data/Name.hs
@@ -47,6 +47,7 @@ import qualified Data.Utf8 as Utf8
 import GHC.Exts
   ( Int(I#), Ptr
   , MutableByteArray#
+  , int8ToInt#
   , isTrue#
   , newByteArray#
   , sizeofByteArray#
@@ -241,7 +242,7 @@ fromTypeVariable name@(Utf8.Utf8 ba#) index =
   else
     let
       len# = sizeofByteArray# ba#
-      end# = indexWord8Array# ba# (len# -# 1#)
+      end# = word8ToWord# (indexWord8Array# ba# (len# -# 1#))
     in
     if isTrue# (leWord# 0x30## end#) && isTrue# (leWord# end# 0x39##) then
       runST
@@ -316,11 +317,11 @@ fromManyNames names =
         ST $ \s ->
           case newByteArray# (len# +# 3#) s of
             (# s, mba# #) ->
-              case writeWord8Array# mba# 0# 0x5F## {-_-} s of
+              case writeWord8Array# mba# 0# (wordToWord8# 0x5F##) {-_-} s of
                 s ->
-                  case writeWord8Array# mba# 1# 0x4D## {-M-} s of
+                  case writeWord8Array# mba# 1# (wordToWord8# 0x4D##) {-M-} s of
                     s ->
-                      case writeWord8Array# mba# 2# 0x24## {-$-} s of
+                      case writeWord8Array# mba# 2# (wordToWord8# 0x24##) {-$-} s of
                         s ->
                           case copyByteArray# ba# 0# mba# 3# len# s of
                             s ->
diff --git a/compiler/src/Data/Utf8.hs b/compiler/src/Data/Utf8.hs
index e985aa64..472777df 100644
--- a/compiler/src/Data/Utf8.hs
+++ b/compiler/src/Data/Utf8.hs
@@ -109,10 +109,10 @@ contains (W8# word#) (Utf8 ba#) =
   containsHelp word# ba# 0# (sizeofByteArray# ba#)
 
 
-containsHelp :: Word# -> ByteArray# -> Int# -> Int# -> Bool
+containsHelp :: Word8# -> ByteArray# -> Int# -> Int# -> Bool
 containsHelp word# ba# !offset# len# =
   if isTrue# (offset# <# len#) then
-    if isTrue# (eqWord# word# (indexWord8Array# ba# offset#))
+    if isTrue# (eqWord8# word# (indexWord8Array# ba# offset#))
       then True
       else containsHelp word# ba# (offset# +# 1#) len#
   else
@@ -147,10 +147,10 @@ startsWithChar isGood bytes@(Utf8 ba#) =
     let
       !w# = indexWord8Array# ba# 0#
       !char
-        | isTrue# (ltWord# w# 0xC0##) = C# (chr# (word2Int# w#))
-        | isTrue# (ltWord# w# 0xE0##) = chr2 ba# 0# w#
-        | isTrue# (ltWord# w# 0xF0##) = chr3 ba# 0# w#
-        | True                        = chr4 ba# 0# w#
+        | isTrue# (ltWord8# w# (wordToWord8# 0xC0##)) = C# (chr# (int8ToInt# (word8ToInt8# w#)))
+        | isTrue# (ltWord8# w# (wordToWord8# 0xE0##)) = chr2 ba# 0# (word8ToWord# w#)
+        | isTrue# (ltWord8# w# (wordToWord8# 0xF0##)) = chr3 ba# 0# (word8ToWord# w#)
+        | True                        = chr4 ba# 0# (word8ToWord# w#)
     in
     isGood char
 
@@ -164,7 +164,7 @@ endsWithWord8 (W8# w#) (Utf8 ba#) =
   let len# = sizeofByteArray# ba# in
   isTrue# (len# ># 0#)
   &&
-  isTrue# (eqWord# w# (indexWord8Array# ba# (len# -# 1#)))
+  isTrue# (eqWord8# w# (indexWord8Array# ba# (len# -# 1#)))
 
 
 
@@ -186,11 +186,11 @@ splitHelp str start offsets =
       unsafeSlice str start offset : splitHelp str (offset + 1) offsets
 
 
-findDividers :: Word# -> ByteArray# -> Int# -> Int# -> [Int] -> [Int]
+findDividers :: Word8# -> ByteArray# -> Int# -> Int# -> [Int] -> [Int]
 findDividers divider# ba# !offset# len# revOffsets =
   if isTrue# (offset# <# len#) then
     findDividers divider# ba# (offset# +# 1#) len# $
-      if isTrue# (eqWord# divider# (indexWord8Array# ba# offset#))
+      if isTrue# (eqWord8# divider# (indexWord8Array# ba# offset#))
       then I# offset# : revOffsets
       else revOffsets
   else
@@ -353,10 +353,10 @@ toCharsHelp ba# offset# len# =
     let
       !w# = indexWord8Array# ba# offset#
       !(# char, width# #)
-        | isTrue# (ltWord# w# 0xC0##) = (# C# (chr# (word2Int# w#)), 1# #)
-        | isTrue# (ltWord# w# 0xE0##) = (# chr2 ba# offset# w#, 2# #)
-        | isTrue# (ltWord# w# 0xF0##) = (# chr3 ba# offset# w#, 3# #)
-        | True                        = (# chr4 ba# offset# w#, 4# #)
+        | isTrue# (ltWord8# w# (wordToWord8# 0xC0##)) = (# C# (chr# (int8ToInt# (word8ToInt8# w#))), 1# #)
+        | isTrue# (ltWord8# w# (wordToWord8# 0xE0##)) = (# chr2 ba# offset# (word8ToWord# w#), 2# #)
+        | isTrue# (ltWord8# w# (wordToWord8# 0xF0##)) = (# chr3 ba# offset# (word8ToWord# w#), 3# #)
+        | True                        = (# chr4 ba# offset# (word8ToWord# w#), 4# #)
 
       !newOffset# = offset# +# width#
     in
@@ -368,7 +368,7 @@ chr2 :: ByteArray# -> Int# -> Word# -> Char
 chr2 ba# offset# firstWord# =
   let
     !i1# = word2Int# firstWord#
-    !i2# = word2Int# (indexWord8Array# ba# (offset# +# 1#))
+    !i2# = int8ToInt# (word8ToInt8# (indexWord8Array# ba# (offset# +# 1#)))
     !c1# = uncheckedIShiftL# (i1# -# 0xC0#) 6#
     !c2# = i2# -# 0x80#
   in
@@ -380,8 +380,8 @@ chr3 :: ByteArray# -> Int# -> Word# -> Char
 chr3 ba# offset# firstWord# =
   let
     !i1# = word2Int# firstWord#
-    !i2# = word2Int# (indexWord8Array# ba# (offset# +# 1#))
-    !i3# = word2Int# (indexWord8Array# ba# (offset# +# 2#))
+    !i2# = int8ToInt# (word8ToInt8# (indexWord8Array# ba# (offset# +# 1#)))
+    !i3# = int8ToInt# (word8ToInt8# (indexWord8Array# ba# (offset# +# 2#)))
     !c1# = uncheckedIShiftL# (i1# -# 0xE0#) 12#
     !c2# = uncheckedIShiftL# (i2# -# 0x80#) 6#
     !c3# = i3# -# 0x80#
@@ -394,9 +394,9 @@ chr4 :: ByteArray# -> Int# -> Word# -> Char
 chr4 ba# offset# firstWord# =
   let
     !i1# = word2Int# firstWord#
-    !i2# = word2Int# (indexWord8Array# ba# (offset# +# 1#))
-    !i3# = word2Int# (indexWord8Array# ba# (offset# +# 2#))
-    !i4# = word2Int# (indexWord8Array# ba# (offset# +# 3#))
+    !i2# = int8ToInt# (word8ToInt8# (indexWord8Array# ba# (offset# +# 1#)))
+    !i3# = int8ToInt# (word8ToInt8# (indexWord8Array# ba# (offset# +# 2#)))
+    !i4# = int8ToInt# (word8ToInt8# (indexWord8Array# ba# (offset# +# 3#)))
     !c1# = uncheckedIShiftL# (i1# -# 0xF0#) 18#
     !c2# = uncheckedIShiftL# (i2# -# 0x80#) 12#
     !c3# = uncheckedIShiftL# (i3# -# 0x80#) 6#
@@ -471,7 +471,7 @@ toEscapedBuilderHelp before after !name@(Utf8 ba#) k =
 escape :: Word8 -> Word8 -> Ptr a -> Utf8 t -> Int -> Int -> Int -> IO ()
 escape before@(W8# before#) after ptr name@(Utf8 ba#) offset@(I# offset#) len@(I# len#) i@(I# i#) =
   if isTrue# (i# <# len#) then
-    if isTrue# (eqWord# before# (indexWord8Array# ba# (offset# +# i#)))
+    if isTrue# (eqWord8# before# (indexWord8Array# ba# (offset# +# i#)))
     then
       do  writeWordToPtr ptr i after
           escape before after ptr name offset len (i + 1)
diff --git a/compiler/src/Parse/Primitives.hs b/compiler/src/Parse/Primitives.hs
index bb973193..3747cfac 100644
--- a/compiler/src/Parse/Primitives.hs
+++ b/compiler/src/Parse/Primitives.hs
@@ -82,7 +82,7 @@ instance Functor (Parser x) where
 
 instance Applicative.Applicative (Parser x) where
   {-# INLINE pure #-}
-  pure = return
+  pure = pure
 
   {-# INLINE (<*>) #-}
   (<*>) (Parser parserFunc) (Parser parserArg) =
diff --git a/compiler/src/Parse/Variable.hs b/compiler/src/Parse/Variable.hs
index f3d86145..5e0ea802 100644
--- a/compiler/src/Parse/Variable.hs
+++ b/compiler/src/Parse/Variable.hs
@@ -22,6 +22,7 @@ import qualified Data.Set as Set
 import Data.Word (Word8)
 import Foreign.Ptr (Ptr, plusPtr)
 import GHC.Exts (Char(C#), Int#, (+#), (-#), chr#, uncheckedIShiftL#, word2Int#)
+import GHC.Prim
 import GHC.Word (Word8(W8#))
 
 import qualified AST.Source as Src
@@ -384,4 +385,4 @@ chr4 pos firstWord =
 
 unpack :: Word8 -> Int#
 unpack (W8# word#) =
-  word2Int# word#
+  int8ToInt# (word8ToInt8# word#)