From: Matt Corallo Date: Mon, 8 Mar 2021 04:57:59 +0000 (-0500) Subject: Correct handling of Option X-Git-Tag: v0.0.98~12^2~2 X-Git-Url: http://git.bitcoin.ninja/?a=commitdiff_plain;h=53b03e808e8da75783cec69102e20a57d69b71c1;p=ldk-java Correct handling of Option --- diff --git a/bindingstypes.py b/bindingstypes.py index aab05250..bd123ac3 100644 --- a/bindingstypes.py +++ b/bindingstypes.py @@ -1,5 +1,5 @@ class TypeInfo: - def __init__(self, is_native_primitive, rust_obj, java_ty, java_fn_ty_arg, java_hu_ty, c_ty, is_const, passed_as_ptr, is_ptr, var_name, arr_len, arr_access, subty=None): + def __init__(self, is_native_primitive, rust_obj, java_ty, java_fn_ty_arg, java_hu_ty, c_ty, is_const, passed_as_ptr, is_ptr, nonnull_ptr, var_name, arr_len, arr_access, subty=None): self.is_native_primitive = is_native_primitive self.rust_obj = rust_obj self.java_ty = java_ty @@ -9,6 +9,7 @@ class TypeInfo: self.is_const = is_const self.passed_as_ptr = passed_as_ptr self.is_ptr = is_ptr + self.nonnull_ptr = nonnull_ptr self.var_name = var_name self.arr_len = arr_len self.arr_access = arr_access diff --git a/gen_type_mapping.py b/gen_type_mapping.py index afd19979..56989ee4 100644 --- a/gen_type_mapping.py +++ b/gen_type_mapping.py @@ -414,10 +414,24 @@ class TypeMappingGenerator: to_hu_conv_name = ty_info.var_name + "_hu_conv", from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".ptr & ~1", "this.ptrs_to.add(" + ty_info.var_name + ")")) elif ty_info.rust_obj in self.trait_structs: + if ty_info.nonnull_ptr: + arg_conv = ty_info.rust_obj + "* " + ty_info.var_name + "_conv = (" + ty_info.rust_obj + "*)(((uint64_t)" + ty_info.var_name + ") & ~1);" + arg_conv_name = ty_info.var_name + "_conv" + else: + # We map Option as *mut Trait, which we can differentiate from &Trait by the NONNULL_PTR annotation. + # We handle the Option case here. + arg_conv = ty_info.rust_obj + " *" + ty_info.var_name + "_conv_ptr = NULL;\n" + arg_conv += "if (" + ty_info.var_name + " != 0) {\n" + arg_conv += "\t" + ty_info.rust_obj + " " + ty_info.var_name + "_conv;\n" + arg_conv += "\t" + ty_info.var_name + "_conv = *(" + ty_info.rust_obj + "*)(((uint64_t)" + ty_info.var_name + ") & ~1);" + arg_conv += self.consts.trait_struct_inc_refcnt(ty_info).replace("\n", "\n\t") + arg_conv += "\n\t" + ty_info.var_name + "_conv_ptr = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n" + arg_conv += "\t*" + ty_info.var_name + "_conv_ptr = " + ty_info.var_name + "_conv;\n" + arg_conv += "}" + arg_conv_name = ty_info.var_name + "_conv_ptr" if ty_info.rust_obj.replace("LDK", "") + "_clone" in self.clone_fns: return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, - arg_conv = ty_info.rust_obj + "* " + ty_info.var_name + "_conv = (" + ty_info.rust_obj + "*)" + ty_info.var_name + ";", - arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None, + arg_conv = arg_conv, arg_conv_name = arg_conv_name, arg_conv_cleanup = None, ret_conv = (ty_info.rust_obj + " *" + ty_info.var_name + "_clone = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n" + "*" + ty_info.var_name + "_clone = " + ty_info.rust_obj.replace("LDK", "") + "_clone(", ");"), ret_conv_name = "(long)" + ty_info.var_name + "_clone", @@ -426,8 +440,7 @@ class TypeMappingGenerator: from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".ptr", "this.ptrs_to.add(" + ty_info.var_name + ")")) else: return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, - arg_conv = ty_info.rust_obj + "* " + ty_info.var_name + "_conv = (" + ty_info.rust_obj + "*)" + ty_info.var_name + ";", - arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None, + arg_conv = arg_conv, arg_conv_name = arg_conv_name, arg_conv_cleanup = None, ret_conv = ("long ret_" + ty_info.var_name + " = (long)", ";"), ret_conv_name = "ret_" + ty_info.var_name, to_hu_conv = ty_info.java_hu_ty + " ret_hu_conv = new " + ty_info.java_hu_ty + "(null, " + ty_info.var_name + ");\nret_hu_conv.ptrs_to.add(this);", to_hu_conv_name = "ret_hu_conv", diff --git a/genbindings.py b/genbindings.py index 124a76ba..85471746 100755 --- a/genbindings.py +++ b/genbindings.py @@ -88,6 +88,7 @@ def java_c_types(fn_arg, ret_arr_len): fn_arg = fn_arg[7:] if fn_arg.startswith("enum "): fn_arg = fn_arg[5:] + nonnull_ptr = "NONNULL_PTR" in fn_arg fn_arg = fn_arg.replace("NONNULL_PTR", "") is_ptr = False @@ -172,11 +173,13 @@ def java_c_types(fn_arg, ret_arr_len): res.pass_by_ref = True if res.is_native_primitive or res.passed_as_ptr: return TypeInfo(rust_obj=fn_arg.split(" ")[0], java_ty=res.java_ty + "[]", java_hu_ty=res.java_hu_ty + "[]", - java_fn_ty_arg="[" + res.java_fn_ty_arg, c_ty=res.c_ty + "Array", passed_as_ptr=False, is_ptr=is_ptr, is_const=is_const, + java_fn_ty_arg="[" + res.java_fn_ty_arg, c_ty=res.c_ty + "Array", passed_as_ptr=False, is_ptr=is_ptr, + nonnull_ptr=nonnull_ptr, is_const=is_const, var_name=res.var_name, arr_len="datalen", arr_access="data", subty=res, is_native_primitive=False) else: return TypeInfo(rust_obj=fn_arg.split(" ")[0], java_ty=res.java_ty + "[]", java_hu_ty=res.java_hu_ty + "[]", - java_fn_ty_arg="[" + res.java_fn_ty_arg, c_ty=consts.ptr_arr, passed_as_ptr=False, is_ptr=is_ptr, is_const=is_const, + java_fn_ty_arg="[" + res.java_fn_ty_arg, c_ty=consts.ptr_arr, passed_as_ptr=False, is_ptr=is_ptr, + nonnull_ptr=nonnull_ptr, is_const=is_const, var_name=res.var_name, arr_len="datalen", arr_access="data", subty=res, is_native_primitive=False) is_primitive = False @@ -322,14 +325,16 @@ def java_c_types(fn_arg, ret_arr_len): if var_is_arr is not None: if var_is_arr.group(1) == "": return TypeInfo(rust_obj=rust_obj, java_ty=java_ty, java_hu_ty=java_ty, java_fn_ty_arg="[" + fn_ty_arg, c_ty=c_ty, is_const=is_const, - passed_as_ptr=False, is_ptr=False, var_name="arg", arr_len=var_is_arr.group(2), arr_access=arr_access, is_native_primitive=False) + passed_as_ptr=False, is_ptr=False, nonnull_ptr=nonnull_ptr, var_name="arg", + arr_len=var_is_arr.group(2), arr_access=arr_access, is_native_primitive=False) return TypeInfo(rust_obj=rust_obj, java_ty=java_ty, java_hu_ty=java_ty, java_fn_ty_arg="[" + fn_ty_arg, c_ty=c_ty, is_const=is_const, - passed_as_ptr=False, is_ptr=False, var_name=var_is_arr.group(1), arr_len=var_is_arr.group(2), arr_access=arr_access, is_native_primitive=False) + passed_as_ptr=False, is_ptr=False, nonnull_ptr=nonnull_ptr, var_name=var_is_arr.group(1), + arr_len=var_is_arr.group(2), arr_access=arr_access, is_native_primitive=False) if java_hu_ty is None: java_hu_ty = java_ty return TypeInfo(rust_obj=rust_obj, java_ty=java_ty, java_hu_ty=java_hu_ty, java_fn_ty_arg=fn_ty_arg, c_ty=c_ty, passed_as_ptr=is_ptr or take_by_ptr, - is_const=is_const, is_ptr=is_ptr, var_name=fn_arg, arr_len=arr_len, arr_access=arr_access, is_native_primitive=is_primitive) + is_const=is_const, is_ptr=is_ptr, nonnull_ptr=nonnull_ptr, var_name=fn_arg, arr_len=arr_len, arr_access=arr_access, is_native_primitive=is_primitive) fn_ptr_regex = re.compile("^extern const ([A-Za-z_0-9\* ]*) \(\*(.*)\)\((.*)\);$") fn_ret_arr_regex = re.compile("(.*) \(\*(.*)\((.*)\)\)\[([0-9]*)\];$") @@ -527,7 +532,7 @@ with open(sys.argv[1]) as in_h, open(sys.argv[2], "w") as out_java: # For now, just disable enabling the _call_log - we don't know how to inverse-map String is_log = fn_line.group(3) == "log" and struct_name == "LDKLogger" if fn_line.group(3) != "free" and fn_line.group(3) != "clone" and fn_line.group(3) != "eq" and not is_log: - dummy_line = fn_line.group(2) + struct_name.replace("LDK", "") + "_" + fn_line.group(3) + " " + struct_name + "* this_arg" + fn_line.group(5) + "\n" + dummy_line = fn_line.group(2) + struct_name.replace("LDK", "") + "_" + fn_line.group(3) + " " + struct_name + " *NONNULL_PTR this_arg" + fn_line.group(5) + "\n" map_fn(dummy_line, re.compile("([A-Za-z_0-9]*) *([A-Za-z_0-9]*) *(.*)").match(dummy_line), None, "(this_arg_conv->" + fn_line.group(3) + ")(this_arg_conv->this_arg", fn_docs) for idx, var_line in enumerate(field_var_lines): if var_line.group(1) not in trait_structs: @@ -536,7 +541,7 @@ with open(sys.argv[1]) as in_h, open(sys.argv[2], "w") as out_java: write_c("\t\tthis_arg->set_" + var_line.group(2) + "(this_arg);\n") write_c("\treturn this_arg->" + var_line.group(2) + ";\n") write_c("}\n") - dummy_line = var_line.group(1) + " " + struct_name.replace("LDK", "") + "_get_" + var_line.group(2) + " " + struct_name + "* this_arg" + fn_line.group(5) + "\n" + dummy_line = var_line.group(1) + " " + struct_name.replace("LDK", "") + "_get_" + var_line.group(2) + " " + struct_name + " *NONNULL_PTR this_arg" + fn_line.group(5) + "\n" map_fn(dummy_line, re.compile("([A-Za-z_0-9]*) *([A-Za-z_0-9]*) *(.*)").match(dummy_line), None, struct_name + "_set_get_" + var_line.group(2) + "(this_arg_conv", fn_docs) def map_result(struct_name, res_ty, err_ty):