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Add support for ref.i31 for inline wasm strings #3

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Add support for ref.i31 for inline wasm strings #3

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7 changes: 7 additions & 0 deletions src/dwarfsm_ast.ml
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Original file line number Diff line number Diff line change
Expand Up @@ -1413,6 +1413,7 @@ type instr =
| Ref_func of funcidx
| Ref_is_null
| Ref_null of heaptype
| Ref_i31
| Return
| Struct_get of typeidx * fieldidx
| Struct_new of typeidx
Expand Down Expand Up @@ -2114,6 +2115,8 @@ include struct

method visit_Ref_is_null : _ -> instr = fun env -> Ref_is_null

method visit_Ref_i31 : _ -> instr = fun env -> Ref_i31

method visit_Ref_null : _ -> heaptype -> instr =
fun env ->
fun _visitors_c0 ->
Expand Down Expand Up @@ -2460,6 +2463,7 @@ include struct
| Ref_func _visitors_c0 -> self#visit_Ref_func env _visitors_c0
| Ref_is_null -> self#visit_Ref_is_null env
| Ref_null _visitors_c0 -> self#visit_Ref_null env _visitors_c0
| Ref_i31 -> self#visit_Ref_i31 env
| Return -> self#visit_Return env
| Struct_get (_visitors_c0, _visitors_c1) ->
self#visit_Struct_get env _visitors_c0 _visitors_c1
Expand Down Expand Up @@ -3237,6 +3241,9 @@ include struct
equal_heaptype _a__301_ _b__302_
| Ref_null _, _ -> false
| _, Ref_null _ -> false
| Ref_i31, Ref_i31 -> true
| Ref_i31, _ -> false
| _, Ref_i31 -> false
| Return, Return -> true
| Return, _ -> false
| _, Return -> false
Expand Down
1 change: 1 addition & 0 deletions src/dwarfsm_encode_wasm.ml
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Expand Up @@ -556,6 +556,7 @@ struct
| Ref_func x -> byte 0xd2 ^^ funcidx x
| Ref_is_null -> byte 0xd1
| Ref_null t -> byte 0xd0 ^^ heaptype t
| Ref_i31 -> byte 0xfb1c
| Return -> byte 0x0f
| Struct_get (x, y) -> byte 0xfb ^^ int_uleb128 2 ^^ structandfieldidx x y
| Struct_new x -> byte 0xfb ^^ int_uleb128 0 ^^ typeidx x
Expand Down
1 change: 1 addition & 0 deletions src/dwarfsm_parse.ml
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Expand Up @@ -838,6 +838,7 @@ let rec plaininstr : W.t list -> instr * W.t list = function
| (Atom "ref.func" : W.t) :: (w : W.t) :: v -> (Ref_func (funcidx w), v)
| (Atom "ref.is_null" : W.t) :: v -> (Ref_is_null, v)
| (Atom "ref.null" : W.t) :: (w : W.t) :: v -> (Ref_null (heaptype w), v)
| (Atom "ref.i31" : W.t) :: v -> (Ref_i31, v)
| (Atom "return" : W.t) :: v -> (Return, v)
| (Atom "struct.get" : W.t) :: (w : W.t) :: (w2 : W.t) :: v ->
(Struct_get (typeidx w, fieldidx w2), v)
Expand Down