+ 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, 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, 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, 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("(.*) \(\*(.*)\((.*)\)\)\[([0-9]*)\];$")
+reg_fn_regex = re.compile("([A-Za-z_0-9\* ]* \*?)([a-zA-Z_0-9]*)\((.*)\);$")
+clone_fns = set()
+constructor_fns = {}
+
+from gen_type_mapping import TypeMappingGenerator
+type_mapping_generator = TypeMappingGenerator(java_c_types, consts, opaque_structs, clone_fns, unitary_enums, trait_structs, complex_enums, result_types, tuple_types)
+
+with open(sys.argv[1]) as in_h:
+ for line in in_h:
+ reg_fn = reg_fn_regex.match(line)
+ if reg_fn is not None:
+ if reg_fn.group(2).endswith("_clone"):
+ clone_fns.add(reg_fn.group(2))
+ else:
+ rty = java_c_types(reg_fn.group(1), None)
+ if rty is not None and not rty.is_native_primitive and reg_fn.group(2) == rty.java_hu_ty + "_new":
+ constructor_fns[rty.rust_obj] = reg_fn.group(3)
+ continue
+ arr_fn = fn_ret_arr_regex.match(line)
+ if arr_fn is not None:
+ if arr_fn.group(2).endswith("_clone"):
+ clone_fns.add(arr_fn.group(2))
+ # No object constructors return arrays, as then they wouldn't be an object constructor
+ continue
+
+# Define some manual clones...
+clone_fns.add("ThirtyTwoBytes_clone")
+write_c("static inline struct LDKThirtyTwoBytes ThirtyTwoBytes_clone(const struct LDKThirtyTwoBytes *orig) { struct LDKThirtyTwoBytes ret; memcpy(ret.data, orig->data, 32); return ret; }\n")
+
+java_c_types_none_allowed = False # C structs created by cbindgen are declared in dependency order
+
+with open(f"{sys.argv[3]}/structs/UtilMethods{consts.file_ext}", "a") as util:
+ util.write(consts.util_fn_pfx)
+
+with open(sys.argv[1]) as in_h, open(sys.argv[2], "w") as out_java:
+ # Map a top-level function
+ def map_fn(line, re_match, ret_arr_len, c_call_string, doc_comment):
+ method_return_type = re_match.group(1)
+ method_name = re_match.group(2)
+ method_comma_separated_arguments = re_match.group(3)
+ method_arguments = method_comma_separated_arguments.split(',')
+
+ is_free = method_name.endswith("_free")
+ if method_name.startswith("COption") or method_name.startswith("CResult"):
+ struct_meth = method_name.rsplit("Z", 1)[0][1:] + "Z"
+ else:
+ struct_meth = method_name.split("_")[0]
+
+ return_type_info = type_mapping_generator.map_type(method_return_type, True, ret_arr_len, False, False)
+
+ argument_types = []
+ default_constructor_args = {}
+ takes_self = 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.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)
+
+ 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, return_type_info, struct_meth, default_constructor_args, takes_self, 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
+ expected_struct = "LDK" + struct_meth
+ expected_cstruct = "LDKC" + struct_meth
+ if (expected_struct in opaque_structs or expected_struct in trait_structs
+ or expected_struct in complex_enums or expected_cstruct in complex_enums
+ or expected_cstruct in result_types) and not is_free:
+ out_java_struct = open(f"{sys.argv[3]}/structs/{struct_meth}{consts.file_ext}", "a")
+ elif method_name.startswith("C2Tuple_") and method_name.endswith("_read"):
+ struct_meth = method_name.rsplit("_", 1)[0]
+ out_java_struct = open(f"{sys.argv[3]}/structs/UtilMethods{consts.file_ext}", "a")
+ if out_java_struct is not None:
+ out_java_struct.write(out_java_struct_delta)
+
+ def map_unitary_enum(struct_name, field_lines, enum_doc_comment):
+ with open(f"{sys.argv[3]}/enums/{struct_name}{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 == "")
+ (c_out, native_file_out, native_out) = consts.native_c_unitary_enum_map(struct_name, [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 == "")
+ else:
+ variant_name = struct_line.strip(' ,')[len(struct_name) + 1:]
+ fields = []
+ if "LDK" + variant_name in union_enum_items:
+ enum_var_lines = union_enum_items["LDK" + variant_name]
+ for idx, field in enumerate(enum_var_lines):
+ if idx != 0 and idx < len(enum_var_lines) - 2:
+ fields.append(type_mapping_generator.map_type(field.strip(' ;'), False, None, False, True))
+ enum_variants.append(ComplexEnumVariantInfo(variant_name, fields, False))
+ elif camel_to_snake(variant_name) in inline_enum_variants:
+ fields.append(type_mapping_generator.map_type(inline_enum_variants[camel_to_snake(variant_name)] + " " + camel_to_snake(variant_name), False, None, False, True))
+ enum_variants.append(ComplexEnumVariantInfo(variant_name, fields, True))
+ else:
+ enum_variants.append(ComplexEnumVariantInfo(variant_name, fields, True))
+
+ with open(f"{sys.argv[3]}/structs/{java_hu_type}{consts.file_ext}", "w") as out_java_enum:
+ (out_java_addendum, out_java_enum_addendum, out_c_addendum) = consts.map_complex_enum(struct_name, enum_variants, camel_to_snake, enum_doc_comment)
+
+ out_java_enum.write(out_java_enum_addendum)
+ out_java.write(out_java_addendum)
+ write_c(out_c_addendum)
+
+ def map_trait(struct_name, field_var_lines, trait_fn_lines, trait_doc_comment):
+ with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "w") as out_java_trait:
+ field_var_convs = []
+ for var_line in field_var_lines:
+ if var_line.group(1) in trait_structs:
+ field_var_convs.append((var_line.group(1), var_line.group(2)))
+ else:
+ field_var_convs.append(
+ type_mapping_generator.map_type(var_line.group(1) + " " + var_line.group(2), False, None, False, False))
+
+ field_fns = []
+ for fn_docs, fn_line in trait_fn_lines:
+ ret_ty_info = type_mapping_generator.map_type(fn_line.group(2), True, None, False, False)
+ is_const = fn_line.group(4) is not None
+
+ arg_tys = []
+ for idx, arg in enumerate(fn_line.group(5).split(',')):
+ if arg == "":
+ continue
+ arg_conv_info = type_mapping_generator.map_type(arg, True, None, False, False)
+ arg_tys.append(arg_conv_info)
+ field_fns.append(TraitMethInfo(fn_line.group(3), is_const, ret_ty_info, arg_tys, fn_docs))
+
+ (out_java_addendum, out_java_trait_addendum, out_c_addendum) = consts.native_c_map_trait(struct_name, field_var_convs, field_fns, trait_doc_comment)
+ write_c(out_c_addendum)
+ out_java_trait.write(out_java_trait_addendum)
+ out_java.write(out_java_addendum)
+
+ for fn_docs, fn_line in trait_fn_lines:
+ # 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 + " *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:
+ write_c(var_line.group(1) + " " + struct_name + "_set_get_" + var_line.group(2) + "(" + struct_name + "* this_arg) {\n")
+ write_c("\tif (this_arg->set_" + var_line.group(2) + " != NULL)\n")
+ 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 + " *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):
+ result_types.add(struct_name)
+ human_ty = struct_name.replace("LDKCResult", "Result")
+ with open(f"{sys.argv[3]}/structs/{human_ty}{consts.file_ext}", "w") as out_java_struct:
+ out_java_struct.write(consts.hu_struct_file_prefix)
+ out_java_struct.write("public class " + human_ty + " extends CommonBase {\n")
+ out_java_struct.write("\tprivate " + human_ty + "(Object _dummy, long ptr) { super(ptr); }\n")
+ out_java_struct.write("\tprotected void finalize() throws Throwable {\n")
+ out_java_struct.write("\t\tif (ptr != 0) { bindings." + struct_name.replace("LDK","") + "_free(ptr); } super.finalize();\n")
+ out_java_struct.write("\t}\n\n")
+ out_java_struct.write("\tstatic " + human_ty + " constr_from_ptr(long ptr) {\n")
+ out_java_struct.write("\t\tif (bindings." + struct_name + "_result_ok(ptr)) {\n")
+ out_java_struct.write("\t\t\treturn new " + human_ty + "_OK(null, ptr);\n")
+ out_java_struct.write("\t\t} else {\n")
+ out_java_struct.write("\t\t\treturn new " + human_ty + "_Err(null, ptr);\n")
+ out_java_struct.write("\t\t}\n")
+ out_java_struct.write("\t}\n")
+
+ res_map = type_mapping_generator.map_type(res_ty + " res", True, None, False, True)
+ err_map = type_mapping_generator.map_type(err_ty + " err", True, None, False, True)
+ can_clone = True
+ if not res_map.is_native_primitive and (res_map.rust_obj.replace("LDK", "") + "_clone" not in clone_fns):
+ can_clone = False
+ if not err_map.is_native_primitive and (err_map.rust_obj.replace("LDK", "") + "_clone" not in clone_fns):
+ can_clone = False
+
+ out_java.write("\tpublic static native boolean " + struct_name + "_result_ok(long arg);\n")
+ write_c(consts.c_fn_ty_pfx + "jboolean " + consts.c_fn_name_define_pfx(struct_name + "_result_ok", True) + consts.ptr_c_ty + " arg) {\n")
+ write_c("\treturn ((" + struct_name + "*)arg)->result_ok;\n")
+ write_c("}\n")
+
+ out_java.write("\tpublic static native " + res_map.java_ty + " " + struct_name + "_get_ok(long arg);\n")
+ write_c(consts.c_fn_ty_pfx + res_map.c_ty + " " + consts.c_fn_name_define_pfx(struct_name + "_get_ok", True) + consts.ptr_c_ty + " arg) {\n")
+ write_c("\t" + struct_name + " *val = (" + struct_name + "*)(arg & ~1);\n")
+ write_c("\tCHECK(val->result_ok);\n\t")
+ out_java_struct.write("\tpublic static final class " + human_ty + "_OK extends " + human_ty + " {\n")
+ if res_map.ret_conv is not None:
+ write_c(res_map.ret_conv[0].replace("\n", "\n\t") + "(*val->contents.result)")
+ write_c(res_map.ret_conv[1].replace("\n", "\n\t") + "\n\treturn " + res_map.ret_conv_name)
+ else:
+ write_c("return *val->contents.result")
+ write_c(";\n}\n")
+
+ if res_map.java_hu_ty != "void":
+ out_java_struct.write("\t\tpublic final " + res_map.java_hu_ty + " res;\n")
+ out_java_struct.write("\t\tprivate " + human_ty + "_OK(Object _dummy, long ptr) {\n")
+ out_java_struct.write("\t\t\tsuper(_dummy, ptr);\n")
+ if res_map.java_hu_ty == "void":
+ pass
+ elif res_map.to_hu_conv is not None:
+ out_java_struct.write("\t\t\t" + res_map.java_ty + " res = bindings." + struct_name + "_get_ok(ptr);\n")
+ out_java_struct.write("\t\t\t" + res_map.to_hu_conv.replace("\n", "\n\t\t\t"))
+ out_java_struct.write("\n\t\t\tthis.res = " + res_map.to_hu_conv_name + ";\n")
+ else:
+ out_java_struct.write("\t\t\tthis.res = bindings." + struct_name + "_get_ok(ptr);\n")
+ out_java_struct.write("\t\t}\n")
+ out_java_struct.write("\t}\n\n")
+
+ out_java.write("\tpublic static native " + err_map.java_ty + " " + struct_name + "_get_err(long arg);\n")
+ write_c(consts.c_fn_ty_pfx + err_map.c_ty + " " + consts.c_fn_name_define_pfx(struct_name + "_get_err", True) + consts.ptr_c_ty + " arg) {\n")
+ write_c("\t" + struct_name + " *val = (" + struct_name + "*)(arg & ~1);\n")
+ write_c("\tCHECK(!val->result_ok);\n\t")
+ out_java_struct.write("\tpublic static final class " + human_ty + "_Err extends " + human_ty + " {\n")
+ if err_map.ret_conv is not None:
+ write_c(err_map.ret_conv[0].replace("\n", "\n\t") + "(*val->contents.err)")
+ write_c(err_map.ret_conv[1].replace("\n", "\n\t") + "\n\treturn " + err_map.ret_conv_name)
+ else:
+ write_c("return *val->contents.err")
+ write_c(";\n}\n")
+
+ if err_map.java_hu_ty != "void":
+ out_java_struct.write("\t\tpublic final " + err_map.java_hu_ty + " err;\n")
+ out_java_struct.write("\t\tprivate " + human_ty + "_Err(Object _dummy, long ptr) {\n")
+ out_java_struct.write("\t\t\tsuper(_dummy, ptr);\n")
+ if err_map.java_hu_ty == "void":
+ pass
+ elif err_map.to_hu_conv is not None:
+ out_java_struct.write("\t\t\t" + err_map.java_ty + " err = bindings." + struct_name + "_get_err(ptr);\n")
+ out_java_struct.write("\t\t\t" + err_map.to_hu_conv.replace("\n", "\n\t\t\t"))
+ out_java_struct.write("\n\t\t\tthis.err = " + err_map.to_hu_conv_name + ";\n")
+ else:
+ out_java_struct.write("\t\t\tthis.err = bindings." + struct_name + "_get_err(ptr);\n")
+ out_java_struct.write("\t\t}\n")
+
+ out_java_struct.write("\t}\n\n")
+
+ def map_tuple(struct_name, field_lines):
+ out_java.write("\tpublic static native long " + struct_name + "_new(")
+ write_c(consts.c_fn_ty_pfx + consts.ptr_c_ty + " " + consts.c_fn_name_define_pfx(struct_name + "_new", len(field_lines) > 3))
+ ty_list = []
+ for idx, line in enumerate(field_lines):
+ if idx != 0 and idx < len(field_lines) - 2:
+ ty_info = java_c_types(line.strip(';'), None)
+ if idx != 1:
+ out_java.write(", ")
+ write_c(", ")
+ e = chr(ord('a') + idx - 1)
+ out_java.write(ty_info.java_ty + " " + e)
+ write_c(ty_info.c_ty + " " + e)
+ ty_list.append(ty_info)
+ tuple_types[struct_name] = (ty_list, struct_name)
+ out_java.write(");\n")
+ write_c(") {\n")
+ write_c("\t" + struct_name + "* ret = MALLOC(sizeof(" + struct_name + "), \"" + struct_name + "\");\n")
+ for idx, line in enumerate(field_lines):
+ if idx != 0 and idx < len(field_lines) - 2:
+ ty_info = type_mapping_generator.map_type(line.strip(';'), False, None, False, False)
+ e = chr(ord('a') + idx - 1)
+ if ty_info.arg_conv is not None:
+ write_c("\t" + ty_info.arg_conv.replace("\n", "\n\t"))
+ write_c("\n\tret->" + e + " = " + ty_info.arg_conv_name + ";\n")
+ else:
+ write_c("\tret->" + e + " = " + e + ";\n")
+ if ty_info.arg_conv_cleanup is not None:
+ write_c("\t//TODO: Really need to call " + ty_info.arg_conv_cleanup + " here\n")
+ write_c("\treturn (long)ret;\n")
+ write_c("}\n")
+
+ for idx, ty_info in enumerate(ty_list):
+ e = chr(ord('a') + idx)
+ out_java.write("\tpublic static native " + ty_info.java_ty + " " + struct_name + "_get_" + e + "(long ptr);\n")
+ write_c(consts.c_fn_ty_pfx + ty_info.c_ty + " " + consts.c_fn_name_define_pfx(struct_name + "_get_" + e, True) + consts.ptr_c_ty + " ptr) {\n")
+ write_c("\t" + struct_name + " *tuple = (" + struct_name + "*)(ptr & ~1);\n")
+ conv_info = type_mapping_generator.map_type_with_info(ty_info, False, None, False, True)
+ if conv_info.ret_conv is not None:
+ write_c("\t" + conv_info.ret_conv[0].replace("\n", "\n\t") + "tuple->" + e + conv_info.ret_conv[1].replace("\n", "\n\t") + "\n")
+ write_c("\treturn " + conv_info.ret_conv_name + ";\n")
+ else:
+ write_c("\treturn tuple->" + e + ";\n")
+ write_c("}\n")
+
+ out_java.write(consts.bindings_header)
+
+ with open(f"{sys.argv[3]}/structs/CommonBase{consts.file_ext}", "w") as out_java_struct:
+ out_java_struct.write(consts.common_base)
+
+ block_comment = None
+ last_block_comment = None
+ cur_block_obj = None
+
+ const_val_regex = re.compile("^extern const ([A-Za-z_0-9]*) ([A-Za-z_0-9]*);$")
+
+ line_indicates_result_regex = re.compile("^ union (LDKCResult_[A-Za-z_0-9]*Ptr) contents;$")
+ line_indicates_vec_regex = re.compile("^ (struct |enum |union )?([A-Za-z_0-9]*) \*data;$")
+ line_indicates_opaque_regex = re.compile("^ bool is_owned;$")
+ line_indicates_trait_regex = re.compile("^ (struct |enum |union )?([A-Za-z_0-9]* \*?)\(\*([A-Za-z_0-9]*)\)\((const )?void \*this_arg(.*)\);$")
+ assert(line_indicates_trait_regex.match(" uintptr_t (*send_data)(void *this_arg, LDKu8slice data, bool resume_read);"))
+ assert(line_indicates_trait_regex.match(" struct LDKCVec_MessageSendEventZ (*get_and_clear_pending_msg_events)(const void *this_arg);"))
+ assert(line_indicates_trait_regex.match(" void *(*clone)(const void *this_arg);"))
+ assert(line_indicates_trait_regex.match(" struct LDKCVec_u8Z (*write)(const void *this_arg);"))
+ line_field_var_regex = re.compile("^ struct ([A-Za-z_0-9]*) ([A-Za-z_0-9]*);$")
+ assert(line_field_var_regex.match(" struct LDKMessageSendEventsProvider MessageSendEventsProvider;"))
+ assert(line_field_var_regex.match(" struct LDKChannelPublicKeys pubkeys;"))
+ struct_name_regex = re.compile("^typedef (struct|enum|union) (MUST_USE_STRUCT )?(LDK[A-Za-z_0-9]*) {$")
+ assert(struct_name_regex.match("typedef struct LDKCVec_u8Z {"))
+ assert(struct_name_regex.match("typedef enum LDKNetwork {"))
+
+ union_enum_items = {}
+ result_ptr_struct_items = {}
+ for line in in_h:
+ if block_comment is not None: