+ if var_is_arr.group(1) == "":
+ 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, is_const=is_const,
+ passed_as_ptr=False, is_ptr=False, nonnull_ptr=nonnull_ptr, var_name="arg", subty=subty,
+ arr_len=var_is_arr.group(2), arr_access=arr_access, is_native_primitive=False, contains_trait=contains_trait)
+ 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, is_const=is_const,
+ passed_as_ptr=False, is_ptr=False, nonnull_ptr=nonnull_ptr, var_name=var_is_arr.group(1), subty=subty,
+ arr_len=var_is_arr.group(2), arr_access=arr_access, is_native_primitive=False, contains_trait=contains_trait)
+
+ 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,
+ contains_trait=contains_trait, subty=subty)
+
+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(f"{sys.argv[2]}/bindings{consts.file_ext}", "w") as out_java:
+ # Map a top-level function
+ def map_fn(line, re_match, ret_arr_len, c_call_string, doc_comment):
+ map_fn_with_ref_option(line, re_match, ret_arr_len, c_call_string, doc_comment, False)
+ def map_fn_with_ref_option(line, re_match, ret_arr_len, c_call_string, doc_comment, force_holds_ref):
+ 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(',')
+
+ if method_name.startswith("__"):
+ return
+
+ 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"
+ expected_struct = "LDKC" + struct_meth
+ struct_meth_name = method_name[len(struct_meth) + 1:].strip("_")
+ elif method_name.startswith("C2Tuple") or method_name.startswith("C3Tuple"):
+ tuple_name = method_name.rsplit("Z", 1)[0][2:] + "Z"
+ if method_name.startswith("C2Tuple"):
+ struct_meth = "Two" + tuple_name
+ expected_struct = "LDKC2" + tuple_name
+ else:
+ struct_meth = "Three" + tuple_name
+ expected_struct = "LDKC3" + tuple_name
+ struct_meth_name = method_name[len(tuple_name) + 2:].strip("_")
+ else:
+ 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("_")
+
+ (params_nullable, ret_nullable) = doc_to_params_ret_nullable(doc_comment)
+ if ret_nullable:
+ return_type_info = type_mapping_generator.map_nullable_type(method_return_type.strip() + " ret", True, ret_arr_len, False, force_holds_ref)
+ else:
+ return_type_info = type_mapping_generator.map_type(method_return_type.strip() + " ret", True, ret_arr_len, False, force_holds_ref)
+
+ if method_name.endswith("_clone") and expected_struct not in unitary_enums:
+ meth_line = "uintptr_t " + expected_struct.replace("LDK", "") + "_clone_ptr(" + expected_struct + " *NONNULL_PTR arg)"
+ write_c("static inline " + meth_line + " {\n")
+ write_c("\t" + return_type_info.ret_conv[0].replace("\n", "\n\t"))
+ write_c(method_name + "(arg)")
+ write_c(return_type_info.ret_conv[1])
+ write_c("\n\treturn " + return_type_info.ret_conv_name + ";\n}\n")
+ map_fn(meth_line + ";\n", re.compile("(uintptr_t) ([A-Za-z_0-9]*)\((.*)\)").match(meth_line), None, None, None)
+
+ argument_types = []
+ default_constructor_args = {}
+ takes_self = False
+ takes_self_ptr = False
+ args_known = True
+
+ for argument_index, argument in enumerate(method_arguments):
+ arg_ty = type_mapping_generator.java_c_types(argument, None)
+ argument_conversion_info = None
+ if argument_index == 0 and arg_ty.java_hu_ty == struct_meth:
+ argument_conversion_info = type_mapping_generator.map_type_with_info(arg_ty, False, None, is_free, True, False)
+ takes_self = True
+ if argument_conversion_info.ty_info.is_ptr:
+ takes_self_ptr = True
+ elif arg_ty.var_name in params_nullable:
+ argument_conversion_info = type_mapping_generator.map_type_with_info(arg_ty, False, None, is_free, True, 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, True)
+ assert argument_conversion_info.nullable
+ assert argument_conversion_info.arg_conv is not None and "WARNING" not in argument_conversion_info.arg_conv
+ else:
+ argument_conversion_info = type_mapping_generator.map_type_with_info(arg_ty, False, None, is_free, True, False)
+
+ 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 = ""
+
+ impl_on_struct = (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
+ impl_on_utils = not impl_on_struct and (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")))
+
+ # If we're adding a static method, and it returns a primitive or an array of primitives,
+ # and a variable conversion adds a reference on the return type (via `this`), skip the
+ # variable's conversion reference-add (as we obviously cannot need a reference).
+ if impl_on_utils and (return_type_info.is_native_primitive or
+ (return_type_info.ty_info.subty is not None and return_type_info.ty_info.subty.is_native_primitive)):
+ for arg in argument_types:
+ if arg.from_hu_conv is not None and arg.from_hu_conv[1] != "":
+ if "this" in arg.from_hu_conv[1]:
+ arg.from_hu_conv = (arg.from_hu_conv[0], "")
+
+ 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 impl_on_struct:
+ out_java_struct = open(f"{sys.argv[3]}/structs/{struct_meth}{consts.file_ext}", "a")
+ out_java_struct.write(out_java_struct_delta)
+ elif impl_on_utils:
+ out_java_struct = open(f"{sys.argv[3]}/structs/UtilMethods{consts.file_ext}", "a")
+ for line in out_java_struct_delta.splitlines():
+ out_java_struct.write(line + "\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(","), y) for x, y 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")
+
+ enum_variants = []
+ tag_field_lines = union_enum_items["field_lines"]
+ contains_trait = False
+ for idx, (struct_line, variant_docs) 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, field_docs) in enumerate(enum_var_lines):
+ if idx != 0 and idx < len(enum_var_lines) - 2 and field.strip() != "":
+ field_ty = type_mapping_generator.java_c_types(field.strip(' ;'), None)
+ contains_trait |= field_ty.contains_trait
+ if field_docs is not None and doc_to_field_nullable(field_docs):
+ field_conv = type_mapping_generator.map_type_with_info(field_ty, False, None, False, True, True)
+ else:
+ field_conv = type_mapping_generator.map_type_with_info(field_ty, False, None, False, True, False)
+ fields.append((field_conv, field_docs))
+ enum_variants.append(ComplexEnumVariantInfo(variant_name, variant_docs, fields, False))
+ elif camel_to_snake(variant_name) in inline_enum_variants:
+ # TODO: If we ever have a rust enum Variant(Option<Struct>) we need to pipe
+ # docs through to there, and then potentially mark the field nullable.
+ mapped = type_mapping_generator.map_type(inline_enum_variants[camel_to_snake(variant_name)] + " " + camel_to_snake(variant_name), False, None, False, True)
+ contains_trait |= mapped.ty_info.contains_trait
+ fields.append((mapped, None))
+ enum_variants.append(ComplexEnumVariantInfo(variant_name, variant_docs, fields, True))
+ else:
+ enum_variants.append(ComplexEnumVariantInfo(variant_name, variant_docs, fields, True))
+ complex_enums[struct_name] = contains_trait
+
+ 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 = []
+ flattened_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), trait_structs[var_line.group(1)]))
+ flattened_field_var_convs.append((var_line.group(1), var_line.group(2), ))
+ flattened_field_var_convs.extend(trait_structs[var_line.group(1)])
+ else:
+ mapped = type_mapping_generator.map_type(var_line.group(1) + " " + var_line.group(2), False, None, False, False)
+ field_var_convs.append(mapped)
+ flattened_field_var_convs.append(mapped)
+ trait_structs[struct_name] = field_var_convs
+
+ field_fns = []
+ for fn_docs, fn_line in trait_fn_lines:
+ if fn_line == "cloned":
+ ret_ty_info = type_mapping_generator.map_type("void", True, None, False, False)
+ field_fns.append(TraitMethInfo("cloned", False, ret_ty_info, [], fn_docs))
+ else:
+ (nullable_params, ret_nullable) = doc_to_params_ret_nullable(fn_docs)
+ if ret_nullable:
+ assert False # This isn't yet handled on the Java side
+ ret_ty_info.nullable = True
+ ret_ty_info = type_mapping_generator.map_nullable_type(fn_line.group(2).strip() + " ret", True, None, False, False)
+ else:
+ ret_ty_info = type_mapping_generator.map_type(fn_line.group(2).strip() + " ret", 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_ty_info = type_mapping_generator.java_c_types(arg, None)
+ if arg_ty_info.var_name in nullable_params:
+ # Types that are actually null instead of all-0s aren't yet handled on the Java side:
+ arg_conv_info = type_mapping_generator.map_type_with_info(arg_ty_info, True, None, False, False, True)
+ else:
+ arg_conv_info = type_mapping_generator.map_type_with_info(arg_ty_info, True, None, False, 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, flattened_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:
+ if fn_line == "cloned":
+ continue
+ # 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) != "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")
+ 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)
+ java_hu_struct = consts.map_result(struct_name, res_map, err_map)
+ create_getter(struct_name, res_ty, "ok", ("*", "->contents.result"), ("", "->result_ok"))
+ create_getter(struct_name, err_ty, "err", ("*", "->contents.err"), ("!", "->result_ok"))
+ with open(f"{sys.argv[3]}/structs/{human_ty}{consts.file_ext}", "w") as out_java_struct:
+ out_java_struct.write(java_hu_struct)
+
+ def create_getter(struct_name, field_decl, field_name, accessor, check_sfx):
+ field_ty = java_c_types(field_decl + " " + field_name, None)
+ ptr_fn_defn = field_decl + " *" + struct_name.replace("LDK", "") + "_get_" + field_name + "(" + struct_name + " *NONNULL_PTR owner)"
+ owned_fn_defn = field_decl + " " + struct_name.replace("LDK", "") + "_get_" + field_name + "(" + struct_name + " *NONNULL_PTR owner)"
+
+ holds_ref = False
+ if field_ty.rust_obj is not None and field_ty.rust_obj.replace("LDK", "") + "_clone" in clone_fns:
+ fn_defn = owned_fn_defn
+ write_c("static inline " + fn_defn + "{\n")
+ if check_sfx is not None:
+ write_c("CHECK(" + check_sfx[0] + "owner" + check_sfx[1] + ");\n")
+ write_c("\treturn " + field_ty.rust_obj.replace("LDK", "") + "_clone(&" + accessor[0] + "owner" + accessor[1] + ");\n")
+ elif field_ty.arr_len is not None or field_ty.is_native_primitive or field_ty.rust_obj in unitary_enums:
+ fn_defn = owned_fn_defn
+ write_c("static inline " + fn_defn + "{\n")
+ if check_sfx is not None:
+ write_c("CHECK(" + check_sfx[0] + "owner" + check_sfx[1] + ");\n")
+ write_c("\treturn " + accessor[0] + "owner" + accessor[1] + ";\n")
+ holds_ref = True
+ else:
+ fn_defn = ptr_fn_defn
+ write_c("static inline " + fn_defn + "{\n")
+ if check_sfx is not None:
+ write_c("CHECK(" + check_sfx[0] + "owner" + check_sfx[1] + ");\n")
+ write_c("\treturn &" + accessor[0] + "owner" + accessor[1] + ";\n")
+ holds_ref = True
+ write_c("}\n")
+ dummy_line = fn_defn + ";\n"
+ map_fn_with_ref_option(dummy_line, reg_fn_regex.match(dummy_line), None, None, "", holds_ref)
+
+ def map_tuple(struct_name, field_lines):
+ human_ty = struct_name.replace("LDKC2Tuple", "TwoTuple").replace("LDKC3Tuple", "ThreeTuple")
+ with open(f"{sys.argv[3]}/structs/{human_ty}{consts.file_ext}", "w") as out_java_struct:
+ out_java_struct.write(consts.map_tuple(struct_name))
+ ty_list = []
+ for idx, (line, _) in enumerate(field_lines):
+ if idx != 0 and idx < len(field_lines) - 2:
+ ty_list.append(java_c_types(line.strip(';'), None))
+ tuple_types[struct_name] = (ty_list, struct_name)
+
+ # Map virtual getter functions
+ for idx, (line, _) in enumerate(field_lines):
+ if idx != 0 and idx < len(field_lines) - 2:
+ field_name = chr(ord('a') + idx - 1)
+ assert line.endswith(" " + field_name + ";")
+ create_getter(struct_name, line[:-3].strip(), field_name, ("", "->" + field_name), None)
+
+ out_java.write(consts.bindings_header)
+ with open(f"{sys.argv[2]}/version{consts.file_ext}", "w") as out_java_version:
+ out_java_version.write(consts.bindings_version_file.replace('<git_version_ldk_garbagecollected>', local_git_version))
+
+ 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(" struct LDKCVec_u8Z (*write)(const void *this_arg);"))
+ line_indicates_trait_clone_regex = re.compile("^ void \(\*cloned\)\(struct ([A-Za-z0-9])* \*NONNULL_PTR new_[A-Za-z0-9]*\);$")
+ assert(line_indicates_trait_clone_regex.match(" void (*cloned)(struct LDKSign *NONNULL_PTR new_Sign);"))
+ line_field_var_regex = re.compile("^ struct ([A-Za-z_0-9]*) ([A-Za-z_0-9]*);$")
+ 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: