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HasBaseForeignType #1308

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HasBaseForeignType #1308

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bc1115f
Add `foreignImportDecs`
jorisdral Nov 29, 2025
4a2d1d9
Put `InstanceMap` in its own module
jorisdral Dec 1, 2025
339922e
Make current type name optional in `getInstances`
jorisdral Dec 1, 2025
e85f424
WIP: add example of constructor import issue to the manual
jorisdral Nov 27, 2025
dbe05d8
`HasBaseForeignType` class
jorisdral Dec 1, 2025
60fe845
Generate `HasBaseForeignType` instances
jorisdral Dec 1, 2025
c00f542
Use `HasBaseForeignType` in all foreign imports except for "dynamic"/…
jorisdral Dec 1, 2025
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1 change: 1 addition & 0 deletions hs-bindgen-runtime/hs-bindgen-runtime.cabal
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Original file line number Diff line number Diff line change
Expand Up @@ -47,6 +47,7 @@ library
HsBindgen.Runtime.ConstantArray
HsBindgen.Runtime.FlexibleArrayMember
HsBindgen.Runtime.FunPtr
HsBindgen.Runtime.HasBaseForeignType
HsBindgen.Runtime.HasCField
HsBindgen.Runtime.IncompleteArray
HsBindgen.Runtime.LibC
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9 changes: 8 additions & 1 deletion hs-bindgen-runtime/src/HsBindgen/Runtime/Block.hs
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Original file line number Diff line number Diff line change
@@ -1,3 +1,5 @@
{-# LANGUAGE UndecidableInstances #-}

-- | Bare-bones support for blocks
--
-- TODO: Ideally we would at least support @Block_copy@ and @Block_release@.
Expand All @@ -7,7 +9,10 @@ module HsBindgen.Runtime.Block (
Block(..)
) where

import Foreign
import Foreign (Ptr)

import HsBindgen.Runtime.HasBaseForeignType (HasBaseForeignType,
ViaNewtype (..))

{-------------------------------------------------------------------------------
Definition
Expand All @@ -27,3 +32,5 @@ import Foreign
--
-- > newtype VarCounter = VarCounter (Block (CInt -> IO CInt))
newtype Block t = Block (Ptr ())

deriving via ViaNewtype (Ptr ()) instance HasBaseForeignType (Block t)
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