+ struct_meth = method_name.split("_")[0]
+ expected_struct = "LDK" + struct_meth
+ struct_meth_name = method_name[len(struct_meth) + 1 if len(struct_meth) != 0 else 0:].strip("_")
+
+ return_type_info = type_mapping_generator.map_type(method_return_type.strip() + " ret", True, ret_arr_len, False, force_holds_ref)
+
+ (params_nullable, ret_nullable) = doc_to_params_ret_nullable(doc_comment)
+ if ret_nullable:
+ return_type_info.nullable = True
+
+ argument_types = []
+ default_constructor_args = {}
+ takes_self = False
+ takes_self_ptr = False
+ args_known = True
+
+ for argument_index, argument in enumerate(method_arguments):
+ argument_conversion_info = type_mapping_generator.map_type(argument, False, None, is_free, True)
+ if argument_index == 0 and argument_conversion_info.java_hu_ty == struct_meth:
+ takes_self = True
+ if argument_conversion_info.ty_info.is_ptr:
+ takes_self_ptr = True
+ elif argument_conversion_info.arg_name in params_nullable:
+ argument_conversion_info.nullable = True
+ if argument_conversion_info.arg_conv is not None and "Warning" in argument_conversion_info.arg_conv:
+ arg_ty_info = java_c_types(argument, None)
+ print("WARNING: Remapping argument " + arg_ty_info.var_name + " of function " + method_name + " to a reference")
+ print(" The argument appears to require a move, or not clonable, and is nullable.")
+ print(" Normally for arguments that require a move and are not clonable, we split")
+ print(" the argument into the type's constructor's arguments and just use those to")
+ print(" construct a new object on the fly.")
+ print(" However, because the object is nullable, doing so would mean we can no")
+ print(" longer allow the user to pass null, as we now have an argument list instead.")
+ print(" Thus, we blindly assume its really an Option<&Type> instead of an Option<Type>.")
+ print(" It may or may not actually be a reference, but its the simplest mapping option")
+ print(" and also the only use of this code today.")
+ arg_ty_info.requires_clone = False
+ argument_conversion_info = type_mapping_generator.map_type_with_info(arg_ty_info, False, None, is_free, True)
+ assert argument_conversion_info.arg_conv is not None and "Warning" not in argument_conversion_info.arg_conv
+
+ if argument_conversion_info.arg_conv is not None and "Warning" in argument_conversion_info.arg_conv:
+ if argument_conversion_info.rust_obj in constructor_fns:
+ assert not is_free
+ for explode_arg in constructor_fns[argument_conversion_info.rust_obj].split(','):
+ explode_arg_conv = type_mapping_generator.map_type(explode_arg, False, None, False, True)
+ if explode_arg_conv.c_ty == "void":
+ # We actually want to handle this case, but for now its only used in NetGraphMsgHandler::new()
+ # which ends up resulting in a redundant constructor - both without arguments for the NetworkGraph.
+ args_known = False
+ pass
+ if not argument_conversion_info.arg_name in default_constructor_args:
+ default_constructor_args[argument_conversion_info.arg_name] = []
+ default_constructor_args[argument_conversion_info.arg_name].append(explode_arg_conv)
+ argument_types.append(argument_conversion_info)
+ if not takes_self and return_type_info.java_hu_ty != struct_meth:
+ if not return_type_info.java_hu_ty.startswith("Result_" + struct_meth):
+ struct_meth_name = method_name
+ struct_meth = ""
+ expected_struct = ""
+
+ out_java.write("\t// " + line)
+ (out_java_delta, out_c_delta, out_java_struct_delta) = \
+ consts.map_function(argument_types, c_call_string, method_name, struct_meth_name, return_type_info, struct_meth, default_constructor_args, takes_self, takes_self_ptr, args_known, type_mapping_generator, doc_comment)
+ out_java.write(out_java_delta)
+
+ if is_free:
+ assert len(argument_types) == 1
+ assert return_type_info.c_ty == "void"
+ write_c(consts.c_fn_ty_pfx + "void " + consts.c_fn_name_define_pfx(method_name, True) + argument_types[0].c_ty + " " + argument_types[0].ty_info.var_name + ") {\n")
+ if argument_types[0].ty_info.passed_as_ptr and not argument_types[0].ty_info.rust_obj in opaque_structs:
+ write_c("\tif ((" + argument_types[0].ty_info.var_name + " & 1) != 0) return;\n")
+
+ for info in argument_types:
+ if info.arg_conv is not None:
+ write_c("\t" + info.arg_conv.replace('\n', "\n\t") + "\n")
+ assert c_call_string is None
+ write_c("\t" + method_name + "(")
+ if argument_types[0].arg_conv_name is not None:
+ write_c(argument_types[0].arg_conv_name)
+ write_c(");")
+ for info in argument_types:
+ if info.arg_conv_cleanup is not None:
+ write_c("\n\t" + info.arg_conv_cleanup.replace("\n", "\n\t"))
+ write_c("\n}\n\n")
+ else:
+ write_c(out_c_delta)
+
+ out_java_struct = None
+ if (expected_struct in opaque_structs or expected_struct in trait_structs
+ or expected_struct in complex_enums or expected_struct in complex_enums
+ or expected_struct in result_types or expected_struct in tuple_types) and not is_free:
+ out_java_struct = open(f"{sys.argv[3]}/structs/{struct_meth}{consts.file_ext}", "a")
+ out_java_struct.write(out_java_struct_delta)
+ elif (not is_free and not method_name.endswith("_clone") and
+ not method_name.startswith("TxOut") and
+ not method_name.startswith("_") and
+ method_name != "check_platform" and method_name != "Result_read" and
+ not expected_struct in unitary_enums and
+ ((not method_name.startswith("C2Tuple_") and not method_name.startswith("C3Tuple_"))
+ or method_name.endswith("_read"))):
+ out_java_struct = open(f"{sys.argv[3]}/structs/UtilMethods{consts.file_ext}", "a")
+ for line in out_java_struct_delta.splitlines():
+ if not line.strip().startswith("this."):
+ out_java_struct.write(line + "\n")
+ else:
+ out_java_struct.write("\t\t// " + line.strip() + "\n")
+
+ def map_unitary_enum(struct_name, field_lines, enum_doc_comment):
+ assert struct_name.startswith("LDK")
+ with open(f"{sys.argv[3]}/enums/{struct_name[3:]}{consts.file_ext}", "w") as out_java_enum:
+ unitary_enums.add(struct_name)
+ for idx, (struct_line, _) in enumerate(field_lines):
+ if idx == 0:
+ assert(struct_line == "typedef enum %s {" % struct_name)
+ elif idx == len(field_lines) - 3:
+ assert(struct_line.endswith("_Sentinel,"))
+ elif idx == len(field_lines) - 2:
+ assert(struct_line == "} %s;" % struct_name)
+ elif idx == len(field_lines) - 1:
+ assert(struct_line == "")
+ assert struct_name.startswith("LDK")
+ (c_out, native_file_out, native_out) = consts.native_c_unitary_enum_map(struct_name[3:], [x.strip().strip(",") for x, _ in field_lines[1:-3]], enum_doc_comment)
+ write_c(c_out)
+ out_java_enum.write(native_file_out)
+ out_java.write(native_out)
+
+ def map_complex_enum(struct_name, union_enum_items, inline_enum_variants, enum_doc_comment):
+ java_hu_type = struct_name.replace("LDK", "").replace("COption", "Option")
+ complex_enums.add(struct_name)
+
+ enum_variants = []
+ tag_field_lines = union_enum_items["field_lines"]
+ for idx, (struct_line, _) in enumerate(tag_field_lines):
+ if idx == 0:
+ assert(struct_line == "typedef enum %s_Tag {" % struct_name)
+ elif idx == len(tag_field_lines) - 3:
+ assert(struct_line.endswith("_Sentinel,"))
+ elif idx == len(tag_field_lines) - 2:
+ assert(struct_line == "} %s_Tag;" % struct_name)
+ elif idx == len(tag_field_lines) - 1:
+ assert(struct_line == "")