From 66375e5624b60bd80b1ce6dabe86f4aeab888bae Mon Sep 17 00:00:00 2001
From: Travis Cardwell <travis.cardwell@extrema.is>
Date: Fri, 10 Jan 2025 07:12:18 +0900
Subject: [PATCH] Implement GenTests defaults

---
 hs-bindgen/src/HsBindgen/GenTests/C.hs  | 31 +++++--------------
 hs-bindgen/src/HsBindgen/GenTests/Hs.hs | 40 +++++--------------------
 2 files changed, 15 insertions(+), 56 deletions(-)

diff --git a/hs-bindgen/src/HsBindgen/GenTests/C.hs b/hs-bindgen/src/HsBindgen/GenTests/C.hs
index 0e253935..98169305 100644
--- a/hs-bindgen/src/HsBindgen/GenTests/C.hs
+++ b/hs-bindgen/src/HsBindgen/GenTests/C.hs
@@ -5,6 +5,7 @@ module HsBindgen.GenTests.C (
 import Data.Char qualified as Char
 import Data.List qualified as List
 import Data.Text qualified as T
+import Data.Typeable (typeOf)
 import Data.Vec.Lazy qualified as Vec
 import System.FilePath qualified as FilePath
 
@@ -62,10 +63,6 @@ genTestsC cTestHeaderPath cTestSourcePath lineLength cHeaderPath decls = do
 
 getTestHeaderDecls :: CFunPrefix -> Hs.Decl -> [CTestDecl]
 getTestHeaderDecls cFunPrefix = \case
-    Hs.DeclData{} -> []
-    Hs.DeclEmpty{} -> []
-    Hs.DeclNewtype{} -> []
-    Hs.DeclPatSyn{} -> []
     Hs.DeclInstance instanceDecl -> case instanceDecl of
       Hs.InstanceStorable Hs.Struct{..} _storableInstance ->
         case getStructCTypeSpelling structOrigin of
@@ -77,17 +74,11 @@ getTestHeaderDecls cFunPrefix = \case
             , CTestPreturbDecl  cFunPrefix structName cts
             ]
           Nothing -> []
-      Hs.InstanceHasFLAM {} -> []
-    Hs.DeclNewtypeInstance{} -> []
-    Hs.DeclForeignImport{} -> []
-    Hs.DeclVar{} -> []
+      _otherwise -> []
+    _otherwise -> []
 
 getTestSourceDefns :: CFunPrefix -> Hs.Decl -> [CTestDefn]
 getTestSourceDefns cFunPrefix = \case
-    Hs.DeclData{} -> []
-    Hs.DeclEmpty{} -> []
-    Hs.DeclNewtype{} -> []
-    Hs.DeclPatSyn{} -> []
     Hs.DeclInstance instanceDecl -> case instanceDecl of
       Hs.InstanceStorable Hs.Struct{..} _storableInstance ->
         case getStructCTypeSpelling structOrigin of
@@ -100,10 +91,8 @@ getTestSourceDefns cFunPrefix = \case
                 , CTestPreturbDefn  cFunPrefix structName cts fieldPs
                 ]
           Nothing -> []
-      Hs.InstanceHasFLAM {} -> []
-    Hs.DeclNewtypeInstance{} -> []
-    Hs.DeclForeignImport{} -> []
-    Hs.DeclVar{} -> []
+      _otherwise -> []
+    _otherwise -> []
 
 getStructCTypeSpelling :: Hs.StructOrigin -> Maybe CTypeSpelling
 getStructCTypeSpelling = \case
@@ -125,9 +114,7 @@ getFieldP Hs.Field{..} = (cName, hsTypeName)
 
     hsTypeName :: HsTypeName
     hsTypeName = case fieldType of
-      Hs.HsType{} -> error "not supported: HsType"
       Hs.HsPrimType hsPrimType -> case hsPrimType of
-        HsT.HsPrimVoid    -> error "not supported: HsPrimVoid"
         HsT.HsPrimCChar   -> "CChar"
         HsT.HsPrimCSChar  -> "CSChar"
         HsT.HsPrimCUChar  -> "CUChar"
@@ -142,12 +129,8 @@ getFieldP Hs.Field{..} = (cName, hsTypeName)
         HsT.HsPrimCBool   -> "CBool"
         HsT.HsPrimCFloat  -> "CFloat"
         HsT.HsPrimCDouble -> "CDouble"
-      Hs.HsTypRef{} -> error "not supported: HsTypRef"
-      Hs.HsConstArray{} -> error "not supported: HsConstArray"
-      Hs.HsPtr{} -> error "not supported: HsPtr"
-      Hs.HsFunPtr{} -> error "not supported: HsFunPtr"
-      Hs.HsIO{} -> error "not supported: HsIO"
-      Hs.HsFun{} -> error "not supported: HsFun"
+        x -> error $ "not supported: " ++ show (typeOf x)
+      x -> error $ "not supported: " ++ show (typeOf x)
 
 {-------------------------------------------------------------------------------
   AST
diff --git a/hs-bindgen/src/HsBindgen/GenTests/Hs.hs b/hs-bindgen/src/HsBindgen/GenTests/Hs.hs
index 6262d2d8..a78ef82f 100644
--- a/hs-bindgen/src/HsBindgen/GenTests/Hs.hs
+++ b/hs-bindgen/src/HsBindgen/GenTests/Hs.hs
@@ -92,10 +92,6 @@ genTestsHs
 
 getFfiFunctions :: IncludeFile -> CFunPrefix -> Hs.Decl -> [FfiFunction]
 getFfiFunctions includeFile cFunPrefix = \case
-    Hs.DeclData{} -> []
-    Hs.DeclEmpty{} -> []
-    Hs.DeclNewtype{} -> []
-    Hs.DeclPatSyn{} -> []
     Hs.DeclInstance instanceDecl -> case instanceDecl of
       Hs.InstanceStorable Hs.Struct{..} _storableInstance ->
         [ FfiSizeof   includeFile cFunPrefix structName
@@ -104,17 +100,11 @@ getFfiFunctions includeFile cFunPrefix = \case
         , FfiGenSeqC  includeFile cFunPrefix structName
         , FfiPreturb  includeFile cFunPrefix structName
         ]
-      Hs.InstanceHasFLAM {} -> []
-    Hs.DeclNewtypeInstance{} -> []
-    Hs.DeclForeignImport{} -> []
-    Hs.DeclVar{} -> []
+      _otherwise -> []
+    _otherwise -> []
 
 getOrphanInstances :: Hs.Decl -> [OrphanInstance]
 getOrphanInstances = \case
-    Hs.DeclData{} -> []
-    Hs.DeclEmpty{} -> []
-    Hs.DeclNewtype{} -> []
-    Hs.DeclPatSyn{} -> []
     Hs.DeclInstance instanceDecl -> case instanceDecl of
       Hs.InstanceStorable Hs.Struct{..} _storableInstance ->
         let fieldNames = Hs.fieldName <$> Vec.toList structFields
@@ -123,37 +113,23 @@ getOrphanInstances = \case
             , PreturbInstance       structName structConstr fieldNames
             , SameSemanticsInstance structName              fieldNames
             ]
-      Hs.InstanceHasFLAM {} -> []
-    Hs.DeclNewtypeInstance{} -> []
-    Hs.DeclForeignImport{} -> []
-    Hs.DeclVar{} -> []
+      _otherwise -> []
+    _otherwise -> []
 
 getTypeTests :: Hs.Decl -> [TypeTest]
 getTypeTests = \case
-    Hs.DeclData{} -> []
-    Hs.DeclEmpty{} -> []
-    Hs.DeclNewtype{} -> []
-    Hs.DeclPatSyn{} -> []
     Hs.DeclInstance instanceDecl -> case instanceDecl of
       Hs.InstanceStorable Hs.Struct{..} _storableInstance ->
         [TypeTest structName]
-      Hs.InstanceHasFLAM {} -> []
-    Hs.DeclNewtypeInstance{} -> []
-    Hs.DeclForeignImport{} -> []
-    Hs.DeclVar{} -> []
+      _otherwise -> []
+    _otherwise -> []
 
 getTestsFunNames :: Hs.Decl -> [HsName NsTypeConstr]
 getTestsFunNames = \case
-    Hs.DeclData{} -> []
-    Hs.DeclEmpty{} -> []
-    Hs.DeclNewtype{} -> []
-    Hs.DeclPatSyn{} -> []
     Hs.DeclInstance instanceDecl -> case instanceDecl of
       Hs.InstanceStorable Hs.Struct{..} _storableInstance -> [structName]
-      Hs.InstanceHasFLAM {} -> []
-    Hs.DeclNewtypeInstance{} -> []
-    Hs.DeclForeignImport{} -> []
-    Hs.DeclVar{} -> []
+      _otherwise -> []
+    _otherwise -> []
 
 {-------------------------------------------------------------------------------
   AST