#!/usr/bin/env python3
-import sys, re
+import os, sys, re, subprocess
if len(sys.argv) < 7:
print("USAGE: /path/to/lightning.h /path/to/bindings/output /path/to/bindings/ /path/to/bindings/output.c debug lang")
consts = Consts(DEBUG, target=target)
+local_git_version = os.getenv("LDK_GARBAGECOLLECTED_GIT_OVERRIDE")
+if local_git_version is None:
+ local_git_version = subprocess.check_output(["git", "describe", '--tag', '--dirty']).decode("utf-8").strip()
+
from bindingstypes import *
c_file = ""
fn_ty_arg = "Ljava/lang/String;"
fn_arg = fn_arg[6:].strip()
elif fn_arg.startswith("LDKStr"):
+ rust_obj = "LDKStr"
java_ty = "String"
c_ty = "jstring"
fn_ty_arg = "Ljava/lang/String;"
else:
ma = var_ty_regex.match(fn_arg)
if ma.group(1).strip() in unitary_enums:
- java_ty = ma.group(1).strip()
+ assert ma.group(1).strip().startswith("LDK")
+ java_ty = ma.group(1).strip()[3:]
+ java_hu_ty = java_ty
c_ty = consts.result_c_ty
- fn_ty_arg = "Lorg/ldk/enums/" + ma.group(1).strip() + ";"
+ fn_ty_arg = "Lorg/ldk/enums/" + java_ty + ";"
fn_arg = ma.group(2).strip()
rust_obj = ma.group(1).strip()
elif ma.group(1).strip().startswith("LDKC2Tuple"):
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)
+ orig_method_name = str(method_name)
method_comma_separated_arguments = re_match.group(3)
method_arguments = method_comma_separated_arguments.split(',')
else:
struct_meth = method_name.split("_")[0]
- return_type_info = type_mapping_generator.map_type(method_return_type, True, ret_arr_len, False, False)
+ return_type_info = type_mapping_generator.map_type(method_return_type.strip() + " ret", True, ret_arr_len, False, False)
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
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
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):
+ method_name = orig_method_name
+ struct_meth = ""
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)
+ consts.map_function(argument_types, c_call_string, method_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:
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")) or \
- (return_type_info.rust_obj is not None and "Result" in return_type_info.rust_obj and "from" in method_name):
- 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)
+ elif (not is_free and not method_name.endswith("_clone") 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):
- with open(f"{sys.argv[3]}/enums/{struct_name}{consts.file_ext}", "w") as out_java_enum:
+ 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 == "} %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)
+ 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)
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:
+ if idx != 0 and idx < len(enum_var_lines) - 2 and field.strip() != "":
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:
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
+ 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:
+ 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_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))
+ 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, flattened_field_var_convs, field_fns, trait_doc_comment)
write_c(out_c_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) != "clone" and fn_line.group(3) != "eq" and not is_log:
+ 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):
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("\treturn (uint64_t)ret;\n")
write_c("}\n")
for idx, ty_info in enumerate(ty_list):
write_c("\treturn tuple->" + e + ";\n")
write_c("}\n")
- out_java.write(consts.bindings_header)
+ out_java.write(consts.bindings_header.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)
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_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;"))
trait_fn_match = line_indicates_trait_regex.match(struct_line)
if trait_fn_match is not None:
trait_fn_lines.append((last_struct_block_comment, trait_fn_match))
+ trait_clone_fn_match = line_indicates_trait_clone_regex.match(struct_line)
+ if trait_clone_fn_match is not None:
+ trait_fn_lines.append((last_struct_block_comment, "cloned"))
field_var_match = line_field_var_regex.match(struct_line)
if field_var_match is not None:
field_var_lines.append(field_var_match)
if cleanup is not None:
write_c("\t\t" + cleanup + ";\n")
write_c("\t}\n")
- write_c("\treturn (long)ret;\n")
+ write_c("\treturn (uint64_t)ret;\n")
write_c("}\n")
if ty_info.is_native_primitive:
line = line.strip()
if line.startswith("struct "):
line = line[7:]
+ elif line.startswith("enum "):
+ line = line[5:]
split = line.split(" ")
assert len(split) == 2
tuple_variants[split[1].strip(";")] = split[0]
out_java_struct.write("}\n")
with open(sys.argv[4], "w") as out_c:
- out_c.write(consts.c_file_pfx)
+ out_c.write(consts.c_file_pfx.replace('<git_version_ldk_garbagecollected>', local_git_version))
out_c.write(consts.init_str())
out_c.write(c_file)
with open(f"{sys.argv[3]}/structs/UtilMethods{consts.file_ext}", "a") as util: