--- /dev/null
+from bindingstypes import ConvInfo
+
+class TypeMappingGenerator:
+
+ def __init__(self, java_c_types, consts, c_array_class_caches, opaque_structs, clone_fns, unitary_enums, trait_structs, complex_enums, result_types, tuple_types):
+ # trick our way around circular imports
+ self.java_c_types = java_c_types
+ self.consts = consts
+ self.c_array_class_caches = c_array_class_caches
+ self.opaque_structs = opaque_structs
+ self.clone_fns = clone_fns
+ self.unitary_enums = unitary_enums
+ self.trait_structs = trait_structs
+ self.complex_enums = complex_enums
+ self.result_types = result_types
+ self.tuple_types = tuple_types
+
+ def map_type(self, fn_arg, print_void, ret_arr_len, is_free, holds_ref):
+ ty_info = self.java_c_types(fn_arg, ret_arr_len)
+ return self.map_type_with_info(ty_info, print_void, ret_arr_len, is_free, holds_ref)
+
+ def map_type_with_info(self, ty_info, print_void, ret_arr_len, is_free, holds_ref):
+ if ty_info.c_ty == "void":
+ if not print_void:
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = None, arg_conv_name = None, arg_conv_cleanup = None,
+ ret_conv = None, ret_conv_name = None, to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None)
+ if ty_info.c_ty.endswith("Array"):
+ arr_len = ty_info.arr_len
+ if arr_len is not None:
+ arr_name = ty_info.var_name
+ else:
+ arr_name = "ret"
+ arr_len = ret_arr_len
+ if ty_info.c_ty == "int8_tArray":
+ (set_pfx, set_sfx) = self.consts.set_native_arr_contents(arr_name + "_arr", arr_len, ty_info)
+ ret_conv = ("int8_tArray " + arr_name + "_arr = " + self.consts.create_native_arr_call(arr_len, ty_info) + ";\n" + set_pfx, "")
+ arg_conv_cleanup = None
+ if not arr_len.isdigit():
+ arg_conv = ty_info.rust_obj + " " + arr_name + "_ref;\n"
+ arg_conv = arg_conv + arr_name + "_ref." + arr_len + " = " + self.consts.get_native_arr_len_call[0] + arr_name + self.consts.get_native_arr_len_call[1] + ";\n"
+ if (not ty_info.is_ptr or not holds_ref) and ty_info.rust_obj != "LDKu8slice":
+ arg_conv = arg_conv + arr_name + "_ref." + ty_info.arr_access + " = MALLOC(" + arr_name + "_ref." + arr_len + ", \"" + ty_info.rust_obj + " Bytes\");\n"
+ arg_conv = arg_conv + self.consts.get_native_arr_contents(arr_name, arr_name + "_ref." + ty_info.arr_access, arr_name + "_ref." + arr_len, ty_info, True) + ";"
+ else:
+ arg_conv = arg_conv + arr_name + "_ref." + ty_info.arr_access + " = " + self.consts.get_native_arr_contents(arr_name, "NO_DEST", arr_name + "_ref." + arr_len, ty_info, False) + ";"
+ arg_conv_cleanup = self.consts.cleanup_native_arr_ref_contents(arr_name, arr_name + "_ref." + ty_info.arr_access, arr_name + "_ref." + arr_len, ty_info)
+ if ty_info.rust_obj == "LDKTransaction":
+ arg_conv = arg_conv + "\n" + arr_name + "_ref.data_is_owned = " + str(holds_ref).lower() + ";"
+ ret_conv = (ty_info.rust_obj + " " + arr_name + "_var = ", "")
+ ret_conv = (ret_conv[0], ";\nint8_tArray " + arr_name + "_arr = " + self.consts.create_native_arr_call(arr_name + "_var." + arr_len, ty_info) + ";\n")
+ (pfx, sfx) = self.consts.set_native_arr_contents(arr_name + "_arr", arr_name + "_var." + arr_len, ty_info)
+ ret_conv = (ret_conv[0], ret_conv[1] + pfx + arr_name + "_var." + ty_info.arr_access + sfx + ";")
+ if not holds_ref and ty_info.rust_obj != "LDKu8slice":
+ ret_conv = (ret_conv[0], ret_conv[1] + "\n" + ty_info.rust_obj.replace("LDK", "") + "_free(" + arr_name + "_var);")
+ elif ty_info.rust_obj is not None:
+ arg_conv = ty_info.rust_obj + " " + arr_name + "_ref;\n"
+ arg_conv = arg_conv + "CHECK(" + self.consts.get_native_arr_len_call[0] + arr_name + self.consts.get_native_arr_len_call[1] + " == " + arr_len + ");\n"
+ arg_conv = arg_conv + self.consts.get_native_arr_contents(arr_name, arr_name + "_ref." + ty_info.arr_access, arr_len, ty_info, True) + ";"
+ ret_conv = (ret_conv[0], "." + ty_info.arr_access + set_sfx + ";")
+ else:
+ arg_conv = "unsigned char " + arr_name + "_arr[" + arr_len + "];\n"
+ arg_conv = arg_conv + "CHECK(" + self.consts.get_native_arr_len_call[0] + arr_name + self.consts.get_native_arr_len_call[1] + " == " + arr_len + ");\n"
+ arg_conv = arg_conv + self.consts.get_native_arr_contents(arr_name, arr_name + "_arr", arr_len, ty_info, True) + ";\n"
+ arg_conv = arg_conv + "unsigned char (*" + arr_name + "_ref)[" + arr_len + "] = &" + arr_name + "_arr;"
+ ret_conv = (ret_conv[0] + "*", set_sfx + ";")
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = arg_conv, arg_conv_name = arr_name + "_ref", arg_conv_cleanup = arg_conv_cleanup,
+ ret_conv = ret_conv, ret_conv_name = arr_name + "_arr", to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None)
+ else:
+ assert not arr_len.isdigit() # fixed length arrays not implemented
+ assert ty_info.java_ty[len(ty_info.java_ty) - 2:] == "[]"
+ conv_name = "arr_conv_" + str(len(ty_info.java_hu_ty))
+ idxc = chr(ord('a') + (len(ty_info.java_hu_ty) % 26))
+ ty_info.subty.var_name = conv_name
+ #XXX: We'd really prefer to only ever set to False, avoiding lots of clone, but need smarter free logic
+ #if ty_info.is_ptr or holds_ref:
+ # ty_info.subty.requires_clone = False
+ ty_info.subty.requires_clone = not ty_info.is_ptr or not holds_ref
+ subty = self.map_type_with_info(ty_info.subty, False, None, is_free, holds_ref)
+ if arr_name == "":
+ arr_name = "arg"
+ arg_conv = ty_info.rust_obj + " " + arr_name + "_constr;\n"
+ arg_conv = arg_conv + arr_name + "_constr." + arr_len + " = " + self.consts.get_native_arr_len_call[0] + arr_name + self.consts.get_native_arr_len_call[1] + ";\n"
+ arg_conv = arg_conv + "if (" + arr_name + "_constr." + arr_len + " > 0)\n"
+ if subty.rust_obj is None:
+ szof = subty.c_ty
+ else:
+ szof = subty.rust_obj
+ arg_conv = arg_conv + "\t" + arr_name + "_constr." + ty_info.arr_access + " = MALLOC(" + arr_name + "_constr." + arr_len + " * sizeof(" + szof + "), \"" + ty_info.rust_obj + " Elements\");\n"
+ arg_conv = arg_conv + "else\n"
+ arg_conv = arg_conv + "\t" + arr_name + "_constr." + ty_info.arr_access + " = NULL;\n"
+ get_arr = self.consts.get_native_arr_contents(arr_name, "NO_DEST", arr_name + "_constr." + arr_len, ty_info, False)
+ if get_arr != None:
+ arg_conv = arg_conv + subty.c_ty + "* " + arr_name + "_vals = " + get_arr + ";\n"
+ arg_conv = arg_conv + "for (size_t " + idxc + " = 0; " + idxc + " < " + arr_name + "_constr." + arr_len + "; " + idxc + "++) {\n"
+ if get_arr != None:
+ arg_conv = arg_conv + "\t" + subty.c_ty + " " + conv_name + " = " + arr_name + "_vals[" + idxc + "];"
+ if subty.arg_conv is not None:
+ arg_conv = arg_conv + "\n\t" + subty.arg_conv.replace("\n", "\n\t")
+ else:
+ arg_conv = arg_conv + "\t" + subty.c_ty + " " + conv_name + " = " + self.consts.get_native_arr_elem(arr_name, idxc, ty_info) + ";\n"
+ arg_conv = arg_conv + "\t" + subty.arg_conv.replace("\n", "\n\t")
+ arg_conv = arg_conv + "\n\t" + arr_name + "_constr." + ty_info.arr_access + "[" + idxc + "] = " + subty.arg_conv_name + ";\n}"
+ if get_arr != None:
+ cleanup = self.consts.cleanup_native_arr_ref_contents(arr_name, arr_name + "_vals", arr_name + "_constr." + arr_len, ty_info)
+ if cleanup is not None:
+ arg_conv = arg_conv + "\n" + cleanup + ";"
+ if ty_info.is_ptr:
+ arg_conv_name = "&" + arr_name + "_constr"
+ else:
+ arg_conv_name = arr_name + "_constr"
+ arg_conv_cleanup = None
+ if ty_info.is_ptr:
+ arg_conv_cleanup = "FREE(" + arr_name + "_constr." + ty_info.arr_access + ");"
+
+ if arr_name == "arg":
+ arr_name = "ret"
+ ret_conv = (ty_info.rust_obj + " " + arr_name + "_var = ", "")
+ if subty.ret_conv is None:
+ ret_conv = ("DUMMY", "DUMMY")
+ elif not ty_info.java_ty[:len(ty_info.java_ty) - 2].endswith("[]"):
+ ret_conv = (ret_conv[0], ";\n" + ty_info.c_ty + " " + arr_name + "_arr = " + self.consts.create_native_arr_call(arr_name + "_var." + arr_len, ty_info) + ";\n")
+ ret_conv = (ret_conv[0], ret_conv[1] + subty.c_ty + " *" + arr_name + "_arr_ptr = " + self.consts.get_native_arr_ptr_call[0] + arr_name + "_arr" + self.consts.get_native_arr_ptr_call[1] + ";\n")
+ ret_conv = (ret_conv[0], ret_conv[1] + "for (size_t " + idxc + " = 0; " + idxc + " < " + arr_name + "_var." + arr_len + "; " + idxc + "++) {\n")
+ ret_conv = (ret_conv[0], ret_conv[1] + "\t" + subty.ret_conv[0].replace("\n", "\n\t"))
+ ret_conv = (ret_conv[0], ret_conv[1] + arr_name + "_var." + ty_info.arr_access + "[" + idxc + "]" + subty.ret_conv[1].replace("\n", "\n\t"))
+ ret_conv = (ret_conv[0], ret_conv[1] + "\n\t" + arr_name + "_arr_ptr[" + idxc + "] = " + subty.ret_conv_name + ";\n}")
+ cleanup = self.consts.release_native_arr_ptr_call(arr_name + "_arr", arr_name + "_arr_ptr")
+ if cleanup is not None:
+ ret_conv = (ret_conv[0], ret_conv[1] + "\n" + cleanup + ";")
+ else:
+ assert ty_info.java_fn_ty_arg.startswith("[")
+ clz_var = ty_info.java_fn_ty_arg[1:].replace("[", "arr_of_")
+ self.c_array_class_caches.add(clz_var)
+ ret_conv = (ret_conv[0], ";\n" + ty_info.c_ty + " " + arr_name + "_arr = (*env)->NewObjectArray(env, " + arr_name + "_var." + arr_len + ", " + clz_var + "_clz, NULL);\n")
+ ret_conv = (ret_conv[0], ret_conv[1] + "for (size_t " + idxc + " = 0; " + idxc + " < " + arr_name + "_var." + arr_len + "; " + idxc + "++) {\n")
+ ret_conv = (ret_conv[0], ret_conv[1] + "\t" + subty.ret_conv[0].replace("\n", "\n\t"))
+ ret_conv = (ret_conv[0], ret_conv[1] + arr_name + "_var." + ty_info.arr_access + "[" + idxc + "]" + subty.ret_conv[1].replace("\n", "\n\t"))
+ ret_conv = (ret_conv[0], ret_conv[1] + "\n\t(*env)->SetObjectArrayElement(env, " + arr_name + "_arr, " + idxc + ", " + subty.ret_conv_name + ");\n")
+ ret_conv = (ret_conv[0], ret_conv[1] + "}")
+ if not holds_ref:
+ # XXX: The commented if's are a bit smarter freeing, but we need to be a nudge smarter still
+ # Note that we don't drop the full vec here - we're passing ownership to java (or have cloned) or free'd by now!
+ ret_conv = (ret_conv[0], ret_conv[1] + "\nFREE(" + arr_name + "_var." + ty_info.arr_access + ");")
+ #if subty.rust_obj is not None and subty.rust_obj in self.opaque_structs:
+ # ret_conv = (ret_conv[0], ret_conv[1] + "\nFREE(" + arr_name + "_var." + ty_info.arr_access + ");")
+ #else:
+ # ret_conv = (ret_conv[0], ret_conv[1] + "\n" + ty_info.rust_obj.replace("LDK", "") + "_free(" + arr_name + "_var);")
+
+ to_hu_conv = None
+ to_hu_conv_name = None
+ if subty.to_hu_conv is not None:
+ to_hu_conv = ty_info.java_hu_ty + " " + conv_name + "_arr = new " + ty_info.subty.java_hu_ty.split("<")[0] + "[" + arr_name + ".length];\n"
+ to_hu_conv = to_hu_conv + "for (int " + idxc + " = 0; " + idxc + " < " + arr_name + ".length; " + idxc + "++) {\n"
+ to_hu_conv = to_hu_conv + "\t" + subty.java_ty + " " + conv_name + " = " + arr_name + "[" + idxc + "];\n"
+ to_hu_conv = to_hu_conv + "\t" + subty.to_hu_conv.replace("\n", "\n\t") + "\n"
+ to_hu_conv = to_hu_conv + "\t" + conv_name + "_arr[" + idxc + "] = " + subty.to_hu_conv_name + ";\n}"
+ to_hu_conv_name = conv_name + "_arr"
+ from_hu_conv = None
+ if subty.from_hu_conv is not None:
+ if subty.java_ty == "long" and subty.java_hu_ty != "long":
+ from_hu_conv = ("Arrays.stream(" + arr_name + ").mapToLong(" + conv_name + " -> " + subty.from_hu_conv[0] + ").toArray()", "/* TODO 2 " + subty.java_hu_ty + " */")
+ elif subty.java_ty == "long":
+ from_hu_conv = ("Arrays.stream(" + arr_name + ").map(" + conv_name + " -> " + subty.from_hu_conv[0] + ").toArray()", "/* TODO 2 " + subty.java_hu_ty + " */")
+ else:
+ from_hu_conv = ("(" + ty_info.java_ty + ")Arrays.stream(" + arr_name + ").map(" + conv_name + " -> " + subty.from_hu_conv[0] + ").toArray()", "/* TODO 2 " + subty.java_hu_ty + " */")
+
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = arg_conv, arg_conv_name = arg_conv_name, arg_conv_cleanup = arg_conv_cleanup,
+ ret_conv = ret_conv, ret_conv_name = arr_name + "_arr", to_hu_conv = to_hu_conv, to_hu_conv_name = to_hu_conv_name, from_hu_conv = from_hu_conv)
+ elif ty_info.java_ty == "String":
+ if ty_info.arr_access is None:
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = None, arg_conv_name = None, arg_conv_cleanup = None,
+ ret_conv = ("jstring " + ty_info.var_name + "_conv = (*env)->NewStringUTF(env, ", ");"), ret_conv_name = ty_info.var_name + "_conv",
+ to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None)
+ else:
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = None, arg_conv_name = None, arg_conv_cleanup = None,
+ ret_conv = ("LDKStr " + ty_info.var_name + "_str = ",
+ ";\nchar* " + ty_info.var_name + "_buf = MALLOC(" + ty_info.var_name + "_str." + ty_info.arr_len + " + 1, \"str conv buf\");\n" +
+ "memcpy(" + ty_info.var_name + "_buf, " + ty_info.var_name + "_str." + ty_info.arr_access + ", " + ty_info.var_name + "_str." + ty_info.arr_len + ");\n" +
+ ty_info.var_name + "_buf[" + ty_info.var_name + "_str." + ty_info.arr_len + "] = 0;\n" +
+ "jstring " + ty_info.var_name + "_conv = (*env)->NewStringUTF(env, " + ty_info.var_name + "_str." + ty_info.arr_access + ");\n" +
+ "FREE(" + ty_info.var_name + "_buf);"),
+ ret_conv_name = ty_info.var_name + "_conv", to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None)
+ elif ty_info.var_name == "" and not print_void:
+ # We don't have a parameter name, and want one, just call it arg
+ if ty_info.rust_obj is not None:
+ assert(not is_free or ty_info.rust_obj not in self.opaque_structs)
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = ty_info.rust_obj + " arg_conv = *(" + ty_info.rust_obj + "*)arg;\nFREE((void*)arg);",
+ arg_conv_name = "arg_conv", arg_conv_cleanup = None,
+ ret_conv = None, ret_conv_name = None, to_hu_conv = "TODO 7", to_hu_conv_name = None, from_hu_conv = None)
+ else:
+ assert(not is_free)
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = None, arg_conv_name = "arg", arg_conv_cleanup = None,
+ ret_conv = None, ret_conv_name = None, to_hu_conv = "TODO 8", to_hu_conv_name = None, from_hu_conv = None)
+ elif ty_info.rust_obj is None:
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = None, arg_conv_name = ty_info.var_name, arg_conv_cleanup = None,
+ ret_conv = None, ret_conv_name = None, to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None)
+ else:
+ if ty_info.var_name == "":
+ ty_info.var_name = "ret"
+
+ if ty_info.rust_obj in self.opaque_structs:
+ opaque_arg_conv = ty_info.rust_obj + " " + ty_info.var_name + "_conv;\n"
+ opaque_arg_conv = opaque_arg_conv + ty_info.var_name + "_conv.inner = (void*)(" + ty_info.var_name + " & (~1));\n"
+ if ty_info.is_ptr and holds_ref:
+ opaque_arg_conv = opaque_arg_conv + ty_info.var_name + "_conv.is_owned = false;"
+ else:
+ opaque_arg_conv = opaque_arg_conv + ty_info.var_name + "_conv.is_owned = (" + ty_info.var_name + " & 1) || (" + ty_info.var_name + " == 0);"
+ if not is_free and (not ty_info.is_ptr or not holds_ref or ty_info.requires_clone == True) and ty_info.requires_clone != False:
+ if (ty_info.rust_obj.replace("LDK", "") + "_clone") in self.clone_fns:
+ # TODO: This is a bit too naive, even with the checks above, we really need to know if rust wants a ref or not, not just if its pass as a ptr.
+ opaque_arg_conv = opaque_arg_conv + "\nif (" + ty_info.var_name + "_conv.inner != NULL)\n"
+ opaque_arg_conv = opaque_arg_conv + "\t" + ty_info.var_name + "_conv = " + ty_info.rust_obj.replace("LDK", "") + "_clone(&" + ty_info.var_name + "_conv);"
+ elif ty_info.passed_as_ptr:
+ opaque_arg_conv = opaque_arg_conv + "\n// Warning: we may need a move here but can't clone!"
+
+ opaque_ret_conv_suf = ";\n"
+ if not holds_ref and ty_info.is_ptr and (ty_info.rust_obj.replace("LDK", "") + "_clone") in self.clone_fns: # is_ptr, not holds_ref implies passing a pointed-to value to java, which needs copied
+ opaque_ret_conv_suf = opaque_ret_conv_suf + "if (" + ty_info.var_name + "->inner != NULL)\n"
+ opaque_ret_conv_suf = opaque_ret_conv_suf + "\t" + ty_info.var_name + "_var = " + ty_info.rust_obj.replace("LDK", "") + "_clone(" + ty_info.var_name + ");\n"
+ elif not holds_ref and ty_info.is_ptr:
+ opaque_ret_conv_suf = opaque_ret_conv_suf + "// Warning: we may need a move here but can't clone!\n"
+
+ opaque_ret_conv_suf = opaque_ret_conv_suf + "CHECK((((long)" + ty_info.var_name + "_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.\n"
+ opaque_ret_conv_suf = opaque_ret_conv_suf + "CHECK((((long)&" + ty_info.var_name + "_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.\n"
+ if holds_ref:
+ opaque_ret_conv_suf = opaque_ret_conv_suf + "long " + ty_info.var_name + "_ref = (long)" + ty_info.var_name + "_var.inner & ~1;"
+ else:
+ opaque_ret_conv_suf = opaque_ret_conv_suf + "long " + ty_info.var_name + "_ref = (long)" + ty_info.var_name + "_var.inner;\n"
+ opaque_ret_conv_suf = opaque_ret_conv_suf + "if (" + ty_info.var_name + "_var.is_owned) {\n"
+ opaque_ret_conv_suf = opaque_ret_conv_suf + "\t" + ty_info.var_name + "_ref |= 1;\n"
+ opaque_ret_conv_suf = opaque_ret_conv_suf + "}"
+
+ if ty_info.is_ptr:
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = opaque_arg_conv, arg_conv_name = "&" + ty_info.var_name + "_conv", arg_conv_cleanup = None,
+ ret_conv = (ty_info.rust_obj + " " + ty_info.var_name + "_var = *", opaque_ret_conv_suf),
+ ret_conv_name = ty_info.var_name + "_ref",
+ # to_hu_conv = ty_info.java_hu_ty + " " + ty_info.var_name + "_hu_conv = new " + ty_info.java_hu_ty + "(null, " + ty_info.var_name + ");",
+ to_hu_conv = self.consts.to_hu_conv_templates['ptr'].replace('{human_type}', ty_info.java_hu_ty).replace('{var_name}', ty_info.var_name),
+ 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 + ")"))
+ else:
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = opaque_arg_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
+ ret_conv = (ty_info.rust_obj + " " + ty_info.var_name + "_var = ", opaque_ret_conv_suf),
+ ret_conv_name = ty_info.var_name + "_ref",
+ # to_hu_conv = ty_info.java_hu_ty + " " + ty_info.var_name + "_hu_conv = new " + ty_info.java_hu_ty + "(null, " + ty_info.var_name + ");",
+ to_hu_conv = self.consts.to_hu_conv_templates['default'].replace('{human_type}', ty_info.java_hu_ty).replace('{var_name}', ty_info.var_name),
+ 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 + ")"))
+
+ if not ty_info.is_ptr:
+ if ty_info.rust_obj in self.unitary_enums:
+ (ret_pfx, ret_sfx) = self.consts.c_unitary_enum_to_native_call(ty_info)
+ (arg_pfx, arg_sfx) = self.consts.native_unitary_enum_to_c_call(ty_info)
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = ty_info.rust_obj + " " + ty_info.var_name + "_conv = " + arg_pfx + ty_info.var_name + arg_sfx + ";",
+ arg_conv_name = ty_info.var_name + "_conv",
+ arg_conv_cleanup = None,
+ ret_conv = (ty_info.c_ty + " " + ty_info.var_name + "_conv = " + ret_pfx, ret_sfx + ";"),
+ ret_conv_name = ty_info.var_name + "_conv", to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None)
+ base_conv = ty_info.rust_obj + " " + ty_info.var_name + "_conv = *(" + ty_info.rust_obj + "*)" + ty_info.var_name + ";"
+ if ty_info.rust_obj in self.trait_structs:
+ if not is_free:
+ needs_full_clone = not is_free and (not ty_info.is_ptr and not holds_ref or ty_info.requires_clone == True) and ty_info.requires_clone != False
+ if needs_full_clone and (ty_info.rust_obj.replace("LDK", "") + "_clone") in self.clone_fns:
+ base_conv = base_conv + "\n" + ty_info.var_name + "_conv = " + ty_info.rust_obj.replace("LDK", "") + "_clone(" + ty_info.var_name + ");"
+ else:
+ base_conv = base_conv + "\nif (" + ty_info.var_name + "_conv.free == " + ty_info.rust_obj + "_JCalls_free) {\n"
+ base_conv = base_conv + "\t// If this_arg is a JCalls struct, then we need to increment the refcnt in it.\n"
+ base_conv = base_conv + "\t" + ty_info.rust_obj + "_JCalls_clone(" + ty_info.var_name + "_conv.this_arg);\n}"
+ if needs_full_clone:
+ base_conv = base_conv + "// Warning: we may need a move here but can't do a full clone!\n"
+
+ else:
+ base_conv = base_conv + "\n" + "FREE((void*)" + ty_info.var_name + ");"
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = base_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
+ ret_conv = (ty_info.rust_obj + "* ret = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n*ret = ", ";"),
+ ret_conv_name = "(long)ret",
+ 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",
+ from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".ptr", "this.ptrs_to.add(" + ty_info.var_name + ")"))
+ if ty_info.rust_obj != "LDKu8slice":
+ # Don't bother free'ing slices passed in - Rust doesn't auto-free the
+ # underlying unlike Vecs, and it gives Java more freedom.
+ base_conv = base_conv + "\nFREE((void*)" + ty_info.var_name + ");";
+ if ty_info.rust_obj in self.complex_enums:
+ ret_conv = ("long " + ty_info.var_name + "_ref = (long)&", ";")
+ if not holds_ref:
+ ret_conv = (ty_info.rust_obj + " *" + ty_info.var_name + "_copy = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n", "")
+ if ty_info.requires_clone == True: # Set in object array mapping
+ if (ty_info.rust_obj.replace("LDK", "") + "_clone") in self.clone_fns:
+ ret_conv = (ret_conv[0] + "*" + ty_info.var_name + "_copy = " + ty_info.rust_obj.replace("LDK", "") + "_clone(&", ");\n")
+ else:
+ ret_conv = (ret_conv[0] + "*" + ty_info.var_name + "_copy = ", "; // XXX: We likely need to clone here, but no _clone fn is available!\n")
+ else:
+ ret_conv = (ret_conv[0] + "*" + ty_info.var_name + "_copy = ", ";\n")
+ ret_conv = (ret_conv[0], ret_conv[1] + "long " + ty_info.var_name + "_ref = (long)" + ty_info.var_name + "_copy;")
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = base_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
+ ret_conv = ret_conv, ret_conv_name = ty_info.var_name + "_ref",
+ to_hu_conv = ty_info.java_hu_ty + " " + ty_info.var_name + "_hu_conv = " + ty_info.java_hu_ty + ".constr_from_ptr(" + ty_info.var_name + ");\n" + ty_info.var_name + "_hu_conv.ptrs_to.add(this);",
+ to_hu_conv_name = ty_info.var_name + "_hu_conv", from_hu_conv = (ty_info.var_name + ".ptr", ""))
+ if ty_info.rust_obj in self.result_types:
+ if holds_ref:
+ # If we're trying to return a ref, we have to clone.
+ # We just blindly assume its implemented and let the compiler fail if its not.
+ ret_conv = (ty_info.rust_obj + "* " + ty_info.var_name + "_conv = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n*" + ty_info.var_name + "_conv = ", ";")
+ ret_conv = (ret_conv[0], ret_conv[1] + "\n*" + ty_info.var_name + "_conv = " + ty_info.rust_obj.replace("LDK", "") + "_clone(" + ty_info.var_name + "_conv);")
+ else:
+ ret_conv = (ty_info.rust_obj + "* " + ty_info.var_name + "_conv = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n*" + ty_info.var_name + "_conv = ", ";")
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = base_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
+ ret_conv = ret_conv, ret_conv_name = "(long)" + ty_info.var_name + "_conv",
+ to_hu_conv = ty_info.java_hu_ty + " " + ty_info.var_name + "_hu_conv = " + ty_info.java_hu_ty + ".constr_from_ptr(" + ty_info.var_name + ");",
+ to_hu_conv_name = ty_info.var_name + "_hu_conv", from_hu_conv = (ty_info.var_name + " != null ? " + ty_info.var_name + ".ptr : 0", ""))
+ if ty_info.rust_obj in self.tuple_types:
+ from_hu_conv = "bindings." + self.tuple_types[ty_info.rust_obj][1].replace("LDK", "") + "_new("
+ to_hu_conv_pfx = ""
+ to_hu_conv_sfx = ty_info.java_hu_ty + " " + ty_info.var_name + "_conv = new " + ty_info.java_hu_ty + "("
+ clone_ret_str = ""
+ for idx, conv in enumerate(self.tuple_types[ty_info.rust_obj][0]):
+ if idx != 0:
+ to_hu_conv_sfx = to_hu_conv_sfx + ", "
+ from_hu_conv = from_hu_conv + ", "
+ conv.var_name = ty_info.var_name + "_" + chr(idx + ord("a"))
+ conv_map = self.map_type_with_info(conv, False, None, is_free, holds_ref)
+ to_hu_conv_pfx = to_hu_conv_pfx + conv.java_ty + " " + ty_info.var_name + "_" + chr(idx + ord("a")) + " = " + "bindings." + self.tuple_types[ty_info.rust_obj][1] + "_get_" + chr(idx + ord("a")) + "(" + ty_info.var_name + ");\n"
+ if conv_map.to_hu_conv is not None:
+ to_hu_conv_pfx = to_hu_conv_pfx + conv_map.to_hu_conv + ";\n"
+ to_hu_conv_sfx = to_hu_conv_sfx + conv_map.to_hu_conv_name
+ else:
+ to_hu_conv_sfx = to_hu_conv_sfx + ty_info.var_name + "_" + chr(idx + ord("a"))
+ if conv_map.from_hu_conv is not None:
+ from_hu_conv = from_hu_conv + conv_map.from_hu_conv[0].replace(ty_info.var_name + "_" + chr(idx + ord("a")), ty_info.var_name + "." + chr(idx + ord("a")))
+ if conv_map.from_hu_conv[1] != "":
+ from_hu_conv = from_hu_conv + "/*XXX: " + conv_map.from_hu_conv[1] + "*/"
+ else:
+ from_hu_conv = from_hu_conv + ty_info.var_name + "." + chr(idx + ord("a"))
+
+ if conv.is_native_primitive:
+ pass
+ elif (conv_map.rust_obj.replace("LDK", "") + "_clone") in self.clone_fns:
+ accessor = ty_info.var_name + "_ref->" + chr(idx + ord("a"))
+ clone_ret_str = clone_ret_str + "\n" + accessor + " = " + conv_map.rust_obj.replace("LDK", "") + "_clone(&" + accessor + ");"
+ else:
+ clone_ret_str = clone_ret_str + "\n// XXX: We likely need to clone here, but no _clone fn is available for " + conv_map.java_hu_ty
+ if not ty_info.is_ptr and not holds_ref:
+ ret_conv = (ty_info.rust_obj + "* " + ty_info.var_name + "_ref = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n*" + ty_info.var_name + "_ref = ", ";")
+ if not is_free and (not ty_info.is_ptr and not holds_ref or ty_info.requires_clone == True) and ty_info.requires_clone != False:
+ ret_conv = (ret_conv[0], ret_conv[1] + clone_ret_str)
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = base_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
+ ret_conv = ret_conv,
+ ret_conv_name = "(long)" + ty_info.var_name + "_ref",
+ to_hu_conv = to_hu_conv_pfx + to_hu_conv_sfx + ");", to_hu_conv_name = ty_info.var_name + "_conv", from_hu_conv = (from_hu_conv + ")", ""))
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = base_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
+ ret_conv = ("long " + ty_info.var_name + "_ref = (long)&", ";"), ret_conv_name = ty_info.var_name + "_ref",
+ to_hu_conv = to_hu_conv_pfx + to_hu_conv_sfx + ");", to_hu_conv_name = ty_info.var_name + "_conv", from_hu_conv = (from_hu_conv + ")", ""))
+
+ # The manually-defined types - TxOut and Transaction
+ assert ty_info.rust_obj == "LDKTxOut"
+ if not ty_info.is_ptr and not holds_ref:
+ ret_conv = ("LDKTxOut* " + ty_info.var_name + "_ref = MALLOC(sizeof(LDKTxOut), \"LDKTxOut\");\n*" + ty_info.var_name + "_ref = ", ";")
+ else:
+ ret_conv = ("long " + ty_info.var_name + "_ref = (long)&", ";")
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = base_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
+ ret_conv = ret_conv, ret_conv_name = "(long)" + ty_info.var_name + "_ref",
+ to_hu_conv = ty_info.java_hu_ty + " " + ty_info.var_name + "_conv = new " +ty_info.java_hu_ty + "(null, " + ty_info.var_name + ");",
+ to_hu_conv_name = ty_info.var_name + "_conv", from_hu_conv = (ty_info.var_name + ".ptr", ""))
+ elif ty_info.is_ptr:
+ assert(not is_free)
+ if ty_info.rust_obj in self.complex_enums:
+ 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,
+ 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 + " " + ty_info.var_name + "_hu_conv = " + ty_info.java_hu_ty + ".constr_from_ptr(" + ty_info.var_name + ");",
+ 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.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,
+ 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",
+ 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",
+ 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,
+ 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",
+ from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".ptr", "this.ptrs_to.add(" + ty_info.var_name + ")"))
+ 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,
+ ret_conv = ("long ret_" + ty_info.var_name + " = (long)", ";"), ret_conv_name = "ret_" + ty_info.var_name,
+ to_hu_conv = "TODO 3", to_hu_conv_name = None, from_hu_conv = None) # its a pointer, no conv needed
+ assert False # We should have handled every case by now.
projects / ldk-java / blobdiff