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49 lines
1.1 KiB
Nim
49 lines
1.1 KiB
Nim
## Compile fixture for `{.ffi.}` enum binding generation (see
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## tests/unit/test_ffi_enum.nim): a plain enum, one with associated strings and
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## one with explicit ordinals, used as a field and as a param/return type.
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import ffi, chronos
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type EnumLib = object
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calls: int
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declareLibrary("enumlib", EnumLib)
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type
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Color {.ffi.} = enum
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cRed
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cGreen
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cBlue
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Level {.ffi.} = enum
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lLow = "low"
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lHigh = "high"
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Status {.ffi.} = enum
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stIdle = 2
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stBusy = 7
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type PaintRequest {.ffi.} = object
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color: Color
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level: Level
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type PaintResponse {.ffi.} = object
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status: Status
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applied: Color
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proc enumlib_create*(): Future[Result[EnumLib, string]] {.ffiCtor.} =
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return ok(EnumLib(calls: 0))
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proc enumlib_paint*(
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lib: EnumLib, req: PaintRequest
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): Future[Result[PaintResponse, string]] {.ffi.} =
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return ok(PaintResponse(status: stBusy, applied: req.color))
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proc enumlib_pick*(lib: EnumLib, level: Level): Future[Result[Color, string]] {.ffi.} =
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return ok(if level == lHigh: cBlue else: cRed)
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proc enumlib_destroy*(lib: EnumLib) {.ffiDtor.} =
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discard
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genBindings()
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