2 import sys, re, subprocess
5 print("USAGE: /path/to/lightning.h /path/to/bindings/output /path/to/bindings/ /path/to/bindings/output.c debug lang")
8 if sys.argv[5] == "false":
10 elif sys.argv[5] == "true":
13 print("debug should be true or false and indicates whether to track allocations and ensure we don't leak")
17 if sys.argv[6] == "java" or sys.argv[6] == "android":
19 from java_strings import Consts
20 target = java_strings.Target.JAVA
21 if sys.argv[6] == "android":
22 target = java_strings.Target.ANDROID
23 elif sys.argv[6] == "typescript":
24 import typescript_strings
25 from typescript_strings import Consts
26 target = typescript_strings.Target.NODEJS
27 if len(sys.argv) == 8 and sys.argv[7] == 'browser':
28 target = typescript_strings.Target.BROWSER
30 print("Only java or typescript can be set for lang")
34 consts = Consts(DEBUG, target=target)
36 local_git_version = subprocess.check_output(["git", "describe", '--tag', '--dirty']).decode("utf-8").strip()
38 from bindingstypes import *
45 def camel_to_snake(s):
46 # Convert camel case to snake case, in a way that appears to match cbindgen
52 if lastchar.isupper():
53 if not char.isupper() and not lastund:
58 ret = ret + lastchar.lower()
61 if char.isupper() and not lastund:
69 return (ret + lastchar.lower()).strip("_")
73 opaque_structs = set()
78 var_is_arr_regex = re.compile("\(\*([A-za-z0-9_]*)\)\[([a-z0-9]*)\]")
79 var_ty_regex = re.compile("([A-za-z_0-9]*)(.*)")
80 java_c_types_none_allowed = True # Unset when we do the real pass that populates the above sets
81 def java_c_types(fn_arg, ret_arr_len):
82 fn_arg = fn_arg.strip()
83 if fn_arg.startswith("MUST_USE_RES "):
86 if fn_arg.startswith("const "):
89 if fn_arg.startswith("struct "):
91 if fn_arg.startswith("enum "):
93 nonnull_ptr = "NONNULL_PTR" in fn_arg
94 fn_arg = fn_arg.replace("NONNULL_PTR", "")
101 if fn_arg.startswith("LDKThirtyTwoBytes"):
102 fn_arg = "uint8_t (*" + fn_arg[18:] + ")[32]"
103 assert var_is_arr_regex.match(fn_arg[8:])
104 rust_obj = "LDKThirtyTwoBytes"
106 elif fn_arg.startswith("LDKTxid"):
107 fn_arg = "uint8_t (*" + fn_arg[8:] + ")[32]"
108 assert var_is_arr_regex.match(fn_arg[8:])
109 rust_obj = "LDKThirtyTwoBytes"
111 elif fn_arg.startswith("LDKPublicKey"):
112 fn_arg = "uint8_t (*" + fn_arg[13:] + ")[33]"
113 assert var_is_arr_regex.match(fn_arg[8:])
114 rust_obj = "LDKPublicKey"
115 arr_access = "compressed_form"
116 elif fn_arg.startswith("LDKSecretKey"):
117 fn_arg = "uint8_t (*" + fn_arg[13:] + ")[32]"
118 assert var_is_arr_regex.match(fn_arg[8:])
119 rust_obj = "LDKSecretKey"
121 elif fn_arg.startswith("LDKSignature"):
122 fn_arg = "uint8_t (*" + fn_arg[13:] + ")[64]"
123 assert var_is_arr_regex.match(fn_arg[8:])
124 rust_obj = "LDKSignature"
125 arr_access = "compact_form"
126 elif fn_arg.startswith("LDKRecoverableSignature"):
127 fn_arg = "uint8_t (*" + fn_arg[25:] + ")[68]"
128 assert var_is_arr_regex.match(fn_arg[8:])
129 rust_obj = "LDKRecoverableSignature"
130 arr_access = "serialized_form"
131 elif fn_arg.startswith("LDKThreeBytes"):
132 fn_arg = "uint8_t (*" + fn_arg[14:] + ")[3]"
133 assert var_is_arr_regex.match(fn_arg[8:])
134 rust_obj = "LDKThreeBytes"
136 elif fn_arg.startswith("LDKFourBytes"):
137 fn_arg = "uint8_t (*" + fn_arg[13:] + ")[4]"
138 assert var_is_arr_regex.match(fn_arg[8:])
139 rust_obj = "LDKFourBytes"
141 elif fn_arg.startswith("LDKSixteenBytes"):
142 fn_arg = "uint8_t (*" + fn_arg[16:] + ")[16]"
143 assert var_is_arr_regex.match(fn_arg[8:])
144 rust_obj = "LDKSixteenBytes"
146 elif fn_arg.startswith("LDKTwentyBytes"):
147 fn_arg = "uint8_t (*" + fn_arg[15:] + ")[20]"
148 assert var_is_arr_regex.match(fn_arg[8:])
149 rust_obj = "LDKTwentyBytes"
151 elif fn_arg.startswith("LDKTenBytes"):
152 fn_arg = "uint8_t (*" + fn_arg[12:] + ")[10]"
153 assert var_is_arr_regex.match(fn_arg[8:])
154 rust_obj = "LDKTenBytes"
156 elif fn_arg.startswith("LDKu8slice"):
157 fn_arg = "uint8_t (*" + fn_arg[11:] + ")[datalen]"
158 assert var_is_arr_regex.match(fn_arg[8:])
159 rust_obj = "LDKu8slice"
161 elif fn_arg.startswith("LDKCVec_u8Z"):
162 fn_arg = "uint8_t (*" + fn_arg[12:] + ")[datalen]"
163 rust_obj = "LDKCVec_u8Z"
164 assert var_is_arr_regex.match(fn_arg[8:])
166 elif fn_arg.startswith("LDKTransaction ") or fn_arg == "LDKTransaction":
167 fn_arg = "uint8_t (*" + fn_arg[15:] + ")[datalen]"
168 rust_obj = "LDKTransaction"
169 assert var_is_arr_regex.match(fn_arg[8:])
171 elif fn_arg.startswith("LDKCVec_"):
174 fn_arg = fn_arg.replace("*", "")
177 tyn = fn_arg[8:].split(" ")
178 assert tyn[0].endswith("Z")
182 new_arg = "LDK" + tyn[0][:-1]
184 new_arg = new_arg + " " + a
185 res = java_c_types(new_arg, ret_arr_len)
187 assert java_c_types_none_allowed
190 res.pass_by_ref = True
191 if res.is_native_primitive or res.passed_as_ptr:
192 return TypeInfo(rust_obj=fn_arg.split(" ")[0], java_ty=res.java_ty + "[]", java_hu_ty=res.java_hu_ty + "[]",
193 java_fn_ty_arg="[" + res.java_fn_ty_arg, c_ty=res.c_ty + "Array", passed_as_ptr=False, is_ptr=is_ptr,
194 nonnull_ptr=nonnull_ptr, is_const=is_const,
195 var_name=res.var_name, arr_len="datalen", arr_access="data", subty=res, is_native_primitive=False)
197 return TypeInfo(rust_obj=fn_arg.split(" ")[0], java_ty=res.java_ty + "[]", java_hu_ty=res.java_hu_ty + "[]",
198 java_fn_ty_arg="[" + res.java_fn_ty_arg, c_ty=consts.ptr_arr, passed_as_ptr=False, is_ptr=is_ptr,
199 nonnull_ptr=nonnull_ptr, is_const=is_const,
200 var_name=res.var_name, arr_len="datalen", arr_access="data", subty=res, is_native_primitive=False)
205 java_type_plural = None
206 if fn_arg.startswith("void"):
210 fn_arg = fn_arg[4:].strip()
212 elif fn_arg.startswith("bool"):
216 fn_arg = fn_arg[4:].strip()
218 elif fn_arg.startswith("uint8_t"):
219 mapped_type = consts.c_type_map['uint8_t']
220 java_ty = mapped_type[0]
223 fn_arg = fn_arg[7:].strip()
225 elif fn_arg.startswith("LDKu5"):
226 java_ty = consts.c_type_map['uint8_t'][0]
231 fn_arg = fn_arg[6:].strip()
232 elif fn_arg.startswith("uint16_t"):
233 mapped_type = consts.c_type_map['uint16_t']
234 java_ty = mapped_type[0]
237 fn_arg = fn_arg[8:].strip()
239 elif fn_arg.startswith("uint32_t"):
240 mapped_type = consts.c_type_map['uint32_t']
241 java_ty = mapped_type[0]
244 fn_arg = fn_arg[8:].strip()
246 elif fn_arg.startswith("uint64_t") or fn_arg.startswith("uintptr_t"):
247 # TODO: uintptr_t is arch-dependent :(
248 mapped_type = consts.c_type_map['uint64_t']
249 java_ty = mapped_type[0]
251 if fn_arg.startswith("uint64_t"):
253 fn_arg = fn_arg[8:].strip()
256 rust_obj = "uintptr_t"
257 fn_arg = fn_arg[9:].strip()
259 elif is_const and fn_arg.startswith("char *"):
262 fn_ty_arg = "Ljava/lang/String;"
263 fn_arg = fn_arg[6:].strip()
264 elif fn_arg.startswith("LDKStr"):
268 fn_ty_arg = "Ljava/lang/String;"
269 fn_arg = fn_arg[6:].strip()
273 ma = var_ty_regex.match(fn_arg)
274 if ma.group(1).strip() in unitary_enums:
275 assert ma.group(1).strip().startswith("LDK")
276 java_ty = ma.group(1).strip()[3:]
278 c_ty = consts.result_c_ty
279 fn_ty_arg = "Lorg/ldk/enums/" + java_ty + ";"
280 fn_arg = ma.group(2).strip()
281 rust_obj = ma.group(1).strip()
282 elif ma.group(1).strip().startswith("LDKC2Tuple"):
283 c_ty = consts.ptr_c_ty
284 java_ty = consts.ptr_native_ty
285 java_hu_ty = "TwoTuple<"
286 if not ma.group(1).strip() in tuple_types:
287 assert java_c_types_none_allowed
289 for idx, ty_info in enumerate(tuple_types[ma.group(1).strip()][0]):
291 java_hu_ty = java_hu_ty + ", "
292 if ty_info.is_native_primitive:
293 if ty_info.java_hu_ty == "int":
294 java_hu_ty = java_hu_ty + "Integer" # Java concrete integer type is Integer, not Int
296 java_hu_ty = java_hu_ty + ty_info.java_hu_ty.title() # If we're a primitive, capitalize the first letter
298 java_hu_ty = java_hu_ty + ty_info.java_hu_ty
299 java_hu_ty = java_hu_ty + ">"
301 fn_arg = ma.group(2).strip()
302 rust_obj = ma.group(1).strip()
304 elif ma.group(1).strip().startswith("LDKC3Tuple"):
305 c_ty = consts.ptr_c_ty
306 java_ty = consts.ptr_native_ty
307 java_hu_ty = "ThreeTuple<"
308 if not ma.group(1).strip() in tuple_types:
309 assert java_c_types_none_allowed
311 for idx, ty_info in enumerate(tuple_types[ma.group(1).strip()][0]):
313 java_hu_ty = java_hu_ty + ", "
314 if ty_info.is_native_primitive:
315 if ty_info.java_hu_ty == "int":
316 java_hu_ty = java_hu_ty + "Integer" # Java concrete integer type is Integer, not Int
318 java_hu_ty = java_hu_ty + ty_info.java_hu_ty.title() # If we're a primitive, capitalize the first letter
320 java_hu_ty = java_hu_ty + ty_info.java_hu_ty
321 java_hu_ty = java_hu_ty + ">"
323 fn_arg = ma.group(2).strip()
324 rust_obj = ma.group(1).strip()
327 c_ty = consts.ptr_c_ty
328 java_ty = consts.ptr_native_ty
329 java_hu_ty = ma.group(1).strip().replace("LDKCOption", "Option").replace("LDKCResult", "Result").replace("LDK", "")
331 fn_arg = ma.group(2).strip()
332 rust_obj = ma.group(1).strip()
335 if fn_arg.startswith(" *") or fn_arg.startswith("*"):
336 fn_arg = fn_arg.replace("*", "").strip()
338 c_ty = consts.ptr_c_ty
339 java_ty = consts.ptr_native_ty
342 var_is_arr = var_is_arr_regex.match(fn_arg)
343 if var_is_arr is not None or ret_arr_len is not None:
344 assert(not take_by_ptr)
346 # is there a special case for plurals?
347 if len(mapped_type) == 2:
348 java_ty = mapped_type[1]
350 java_ty = java_ty + "[]"
351 c_ty = c_ty + "Array"
352 if var_is_arr is not None:
353 if var_is_arr.group(1) == "":
354 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,
355 passed_as_ptr=False, is_ptr=False, nonnull_ptr=nonnull_ptr, var_name="arg",
356 arr_len=var_is_arr.group(2), arr_access=arr_access, is_native_primitive=False)
357 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,
358 passed_as_ptr=False, is_ptr=False, nonnull_ptr=nonnull_ptr, var_name=var_is_arr.group(1),
359 arr_len=var_is_arr.group(2), arr_access=arr_access, is_native_primitive=False)
361 if java_hu_ty is None:
363 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,
364 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)
366 fn_ptr_regex = re.compile("^extern const ([A-Za-z_0-9\* ]*) \(\*(.*)\)\((.*)\);$")
367 fn_ret_arr_regex = re.compile("(.*) \(\*(.*)\((.*)\)\)\[([0-9]*)\];$")
368 reg_fn_regex = re.compile("([A-Za-z_0-9\* ]* \*?)([a-zA-Z_0-9]*)\((.*)\);$")
372 from gen_type_mapping import TypeMappingGenerator
373 type_mapping_generator = TypeMappingGenerator(java_c_types, consts, opaque_structs, clone_fns, unitary_enums, trait_structs, complex_enums, result_types, tuple_types)
375 with open(sys.argv[1]) as in_h:
377 reg_fn = reg_fn_regex.match(line)
378 if reg_fn is not None:
379 if reg_fn.group(2).endswith("_clone"):
380 clone_fns.add(reg_fn.group(2))
382 rty = java_c_types(reg_fn.group(1), None)
383 if rty is not None and not rty.is_native_primitive and reg_fn.group(2) == rty.java_hu_ty + "_new":
384 constructor_fns[rty.rust_obj] = reg_fn.group(3)
386 arr_fn = fn_ret_arr_regex.match(line)
387 if arr_fn is not None:
388 if arr_fn.group(2).endswith("_clone"):
389 clone_fns.add(arr_fn.group(2))
390 # No object constructors return arrays, as then they wouldn't be an object constructor
393 # Define some manual clones...
394 clone_fns.add("ThirtyTwoBytes_clone")
395 write_c("static inline struct LDKThirtyTwoBytes ThirtyTwoBytes_clone(const struct LDKThirtyTwoBytes *orig) { struct LDKThirtyTwoBytes ret; memcpy(ret.data, orig->data, 32); return ret; }\n")
397 java_c_types_none_allowed = False # C structs created by cbindgen are declared in dependency order
399 with open(f"{sys.argv[3]}/structs/UtilMethods{consts.file_ext}", "a") as util:
400 util.write(consts.util_fn_pfx)
402 with open(sys.argv[1]) as in_h, open(sys.argv[2], "w") as out_java:
403 # Map a top-level function
404 def map_fn(line, re_match, ret_arr_len, c_call_string, doc_comment):
405 method_return_type = re_match.group(1)
406 method_name = re_match.group(2)
407 orig_method_name = str(method_name)
408 method_comma_separated_arguments = re_match.group(3)
409 method_arguments = method_comma_separated_arguments.split(',')
411 is_free = method_name.endswith("_free")
412 if method_name.startswith("COption") or method_name.startswith("CResult"):
413 struct_meth = method_name.rsplit("Z", 1)[0][1:] + "Z"
415 struct_meth = method_name.split("_")[0]
417 return_type_info = type_mapping_generator.map_type(method_return_type.strip() + " ret", True, ret_arr_len, False, False)
420 default_constructor_args = {}
422 takes_self_ptr = False
425 for argument_index, argument in enumerate(method_arguments):
426 argument_conversion_info = type_mapping_generator.map_type(argument, False, None, is_free, True)
427 if argument_index == 0 and argument_conversion_info.java_hu_ty == struct_meth:
429 if argument_conversion_info.ty_info.is_ptr:
430 takes_self_ptr = True
431 if argument_conversion_info.arg_conv is not None and "Warning" in argument_conversion_info.arg_conv:
432 if argument_conversion_info.rust_obj in constructor_fns:
434 for explode_arg in constructor_fns[argument_conversion_info.rust_obj].split(','):
435 explode_arg_conv = type_mapping_generator.map_type(explode_arg, False, None, False, True)
436 if explode_arg_conv.c_ty == "void":
437 # We actually want to handle this case, but for now its only used in NetGraphMsgHandler::new()
438 # which ends up resulting in a redundant constructor - both without arguments for the NetworkGraph.
441 if not argument_conversion_info.arg_name in default_constructor_args:
442 default_constructor_args[argument_conversion_info.arg_name] = []
443 default_constructor_args[argument_conversion_info.arg_name].append(explode_arg_conv)
444 argument_types.append(argument_conversion_info)
445 if not takes_self and return_type_info.java_hu_ty != struct_meth:
446 if not return_type_info.java_hu_ty.startswith("Result_" + struct_meth):
447 method_name = orig_method_name
450 out_java.write("\t// " + line)
451 (out_java_delta, out_c_delta, out_java_struct_delta) = \
452 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)
453 out_java.write(out_java_delta)
456 assert len(argument_types) == 1
457 assert return_type_info.c_ty == "void"
458 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")
459 if argument_types[0].ty_info.passed_as_ptr and not argument_types[0].ty_info.rust_obj in opaque_structs:
460 write_c("\tif ((" + argument_types[0].ty_info.var_name + " & 1) != 0) return;\n")
462 for info in argument_types:
463 if info.arg_conv is not None:
464 write_c("\t" + info.arg_conv.replace('\n', "\n\t") + "\n")
465 assert c_call_string is None
466 write_c("\t" + method_name + "(")
467 if argument_types[0].arg_conv_name is not None:
468 write_c(argument_types[0].arg_conv_name)
470 for info in argument_types:
471 if info.arg_conv_cleanup is not None:
472 write_c("\n\t" + info.arg_conv_cleanup.replace("\n", "\n\t"))
477 out_java_struct = None
478 expected_struct = "LDK" + struct_meth
479 expected_cstruct = "LDKC" + struct_meth
480 if (expected_struct in opaque_structs or expected_struct in trait_structs
481 or expected_struct in complex_enums or expected_cstruct in complex_enums
482 or expected_cstruct in result_types) and not is_free:
483 out_java_struct = open(f"{sys.argv[3]}/structs/{struct_meth}{consts.file_ext}", "a")
484 out_java_struct.write(out_java_struct_delta)
485 elif (not is_free and not method_name.endswith("_clone") and
486 not method_name.startswith("_") and
487 method_name != "check_platform" and method_name != "Result_read" and
488 not expected_struct in unitary_enums and
489 ((not method_name.startswith("C2Tuple_") and not method_name.startswith("C3Tuple_"))
490 or method_name.endswith("_read"))):
491 out_java_struct = open(f"{sys.argv[3]}/structs/UtilMethods{consts.file_ext}", "a")
492 for line in out_java_struct_delta.splitlines():
493 if not line.strip().startswith("this."):
494 out_java_struct.write(line + "\n")
496 out_java_struct.write("\t\t// " + line.strip() + "\n")
498 def map_unitary_enum(struct_name, field_lines, enum_doc_comment):
499 assert struct_name.startswith("LDK")
500 with open(f"{sys.argv[3]}/enums/{struct_name[3:]}{consts.file_ext}", "w") as out_java_enum:
501 unitary_enums.add(struct_name)
502 for idx, struct_line in enumerate(field_lines):
504 assert(struct_line == "typedef enum %s {" % struct_name)
505 elif idx == len(field_lines) - 3:
506 assert(struct_line.endswith("_Sentinel,"))
507 elif idx == len(field_lines) - 2:
508 assert(struct_line == "} %s;" % struct_name)
509 elif idx == len(field_lines) - 1:
510 assert(struct_line == "")
511 assert struct_name.startswith("LDK")
512 (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)
514 out_java_enum.write(native_file_out)
515 out_java.write(native_out)
517 def map_complex_enum(struct_name, union_enum_items, inline_enum_variants, enum_doc_comment):
518 java_hu_type = struct_name.replace("LDK", "").replace("COption", "Option")
519 complex_enums.add(struct_name)
522 tag_field_lines = union_enum_items["field_lines"]
523 for idx, struct_line in enumerate(tag_field_lines):
525 assert(struct_line == "typedef enum %s_Tag {" % struct_name)
526 elif idx == len(tag_field_lines) - 3:
527 assert(struct_line.endswith("_Sentinel,"))
528 elif idx == len(tag_field_lines) - 2:
529 assert(struct_line == "} %s_Tag;" % struct_name)
530 elif idx == len(tag_field_lines) - 1:
531 assert(struct_line == "")
533 variant_name = struct_line.strip(' ,')[len(struct_name) + 1:]
535 if "LDK" + variant_name in union_enum_items:
536 enum_var_lines = union_enum_items["LDK" + variant_name]
537 for idx, field in enumerate(enum_var_lines):
538 if idx != 0 and idx < len(enum_var_lines) - 2 and field.strip() != "":
539 fields.append(type_mapping_generator.map_type(field.strip(' ;'), False, None, False, True))
540 enum_variants.append(ComplexEnumVariantInfo(variant_name, fields, False))
541 elif camel_to_snake(variant_name) in inline_enum_variants:
542 fields.append(type_mapping_generator.map_type(inline_enum_variants[camel_to_snake(variant_name)] + " " + camel_to_snake(variant_name), False, None, False, True))
543 enum_variants.append(ComplexEnumVariantInfo(variant_name, fields, True))
545 enum_variants.append(ComplexEnumVariantInfo(variant_name, fields, True))
547 with open(f"{sys.argv[3]}/structs/{java_hu_type}{consts.file_ext}", "w") as out_java_enum:
548 (out_java_addendum, out_java_enum_addendum, out_c_addendum) = consts.map_complex_enum(struct_name, enum_variants, camel_to_snake, enum_doc_comment)
550 out_java_enum.write(out_java_enum_addendum)
551 out_java.write(out_java_addendum)
552 write_c(out_c_addendum)
554 def map_trait(struct_name, field_var_lines, trait_fn_lines, trait_doc_comment):
555 with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "w") as out_java_trait:
557 flattened_field_var_convs = []
558 for var_line in field_var_lines:
559 if var_line.group(1) in trait_structs:
560 field_var_convs.append((var_line.group(1), var_line.group(2), trait_structs[var_line.group(1)]))
561 flattened_field_var_convs.append((var_line.group(1), var_line.group(2), ))
562 flattened_field_var_convs.extend(trait_structs[var_line.group(1)])
564 mapped = type_mapping_generator.map_type(var_line.group(1) + " " + var_line.group(2), False, None, False, False)
565 field_var_convs.append(mapped)
566 flattened_field_var_convs.append(mapped)
567 trait_structs[struct_name] = field_var_convs
570 for fn_docs, fn_line in trait_fn_lines:
571 ret_ty_info = type_mapping_generator.map_type(fn_line.group(2).strip() + " ret", True, None, False, False)
572 is_const = fn_line.group(4) is not None
575 for idx, arg in enumerate(fn_line.group(5).split(',')):
578 arg_conv_info = type_mapping_generator.map_type(arg, True, None, False, False)
579 arg_tys.append(arg_conv_info)
580 field_fns.append(TraitMethInfo(fn_line.group(3), is_const, ret_ty_info, arg_tys, fn_docs))
582 (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)
583 write_c(out_c_addendum)
584 out_java_trait.write(out_java_trait_addendum)
585 out_java.write(out_java_addendum)
587 for fn_docs, fn_line in trait_fn_lines:
588 # For now, just disable enabling the _call_log - we don't know how to inverse-map String
589 is_log = fn_line.group(3) == "log" and struct_name == "LDKLogger"
590 if fn_line.group(3) != "free" and fn_line.group(3) != "clone" and fn_line.group(3) != "eq" and not is_log:
591 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"
592 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)
593 for idx, var_line in enumerate(field_var_lines):
594 if var_line.group(1) not in trait_structs:
595 write_c(var_line.group(1) + " " + struct_name + "_set_get_" + var_line.group(2) + "(" + struct_name + "* this_arg) {\n")
596 write_c("\tif (this_arg->set_" + var_line.group(2) + " != NULL)\n")
597 write_c("\t\tthis_arg->set_" + var_line.group(2) + "(this_arg);\n")
598 write_c("\treturn this_arg->" + var_line.group(2) + ";\n")
600 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"
601 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)
603 def map_result(struct_name, res_ty, err_ty):
604 result_types.add(struct_name)
605 human_ty = struct_name.replace("LDKCResult", "Result")
606 with open(f"{sys.argv[3]}/structs/{human_ty}{consts.file_ext}", "w") as out_java_struct:
607 out_java_struct.write(consts.hu_struct_file_prefix)
608 out_java_struct.write("public class " + human_ty + " extends CommonBase {\n")
609 out_java_struct.write("\tprivate " + human_ty + "(Object _dummy, long ptr) { super(ptr); }\n")
610 out_java_struct.write("\tprotected void finalize() throws Throwable {\n")
611 out_java_struct.write("\t\tif (ptr != 0) { bindings." + struct_name.replace("LDK","") + "_free(ptr); } super.finalize();\n")
612 out_java_struct.write("\t}\n\n")
613 out_java_struct.write("\tstatic " + human_ty + " constr_from_ptr(long ptr) {\n")
614 out_java_struct.write("\t\tif (bindings." + struct_name + "_result_ok(ptr)) {\n")
615 out_java_struct.write("\t\t\treturn new " + human_ty + "_OK(null, ptr);\n")
616 out_java_struct.write("\t\t} else {\n")
617 out_java_struct.write("\t\t\treturn new " + human_ty + "_Err(null, ptr);\n")
618 out_java_struct.write("\t\t}\n")
619 out_java_struct.write("\t}\n")
621 res_map = type_mapping_generator.map_type(res_ty + " res", True, None, False, True)
622 err_map = type_mapping_generator.map_type(err_ty + " err", True, None, False, True)
624 if not res_map.is_native_primitive and (res_map.rust_obj.replace("LDK", "") + "_clone" not in clone_fns):
626 if not err_map.is_native_primitive and (err_map.rust_obj.replace("LDK", "") + "_clone" not in clone_fns):
629 out_java.write("\tpublic static native boolean " + struct_name + "_result_ok(long arg);\n")
630 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")
631 write_c("\treturn ((" + struct_name + "*)arg)->result_ok;\n")
634 out_java.write("\tpublic static native " + res_map.java_ty + " " + struct_name + "_get_ok(long arg);\n")
635 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")
636 write_c("\t" + struct_name + " *val = (" + struct_name + "*)(arg & ~1);\n")
637 write_c("\tCHECK(val->result_ok);\n\t")
638 out_java_struct.write("\tpublic static final class " + human_ty + "_OK extends " + human_ty + " {\n")
639 if res_map.ret_conv is not None:
640 write_c(res_map.ret_conv[0].replace("\n", "\n\t") + "(*val->contents.result)")
641 write_c(res_map.ret_conv[1].replace("\n", "\n\t") + "\n\treturn " + res_map.ret_conv_name)
643 write_c("return *val->contents.result")
646 if res_map.java_hu_ty != "void":
647 out_java_struct.write("\t\tpublic final " + res_map.java_hu_ty + " res;\n")
648 out_java_struct.write("\t\tprivate " + human_ty + "_OK(Object _dummy, long ptr) {\n")
649 out_java_struct.write("\t\t\tsuper(_dummy, ptr);\n")
650 if res_map.java_hu_ty == "void":
652 elif res_map.to_hu_conv is not None:
653 out_java_struct.write("\t\t\t" + res_map.java_ty + " res = bindings." + struct_name + "_get_ok(ptr);\n")
654 out_java_struct.write("\t\t\t" + res_map.to_hu_conv.replace("\n", "\n\t\t\t"))
655 out_java_struct.write("\n\t\t\tthis.res = " + res_map.to_hu_conv_name + ";\n")
657 out_java_struct.write("\t\t\tthis.res = bindings." + struct_name + "_get_ok(ptr);\n")
658 out_java_struct.write("\t\t}\n")
659 out_java_struct.write("\t}\n\n")
661 out_java.write("\tpublic static native " + err_map.java_ty + " " + struct_name + "_get_err(long arg);\n")
662 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")
663 write_c("\t" + struct_name + " *val = (" + struct_name + "*)(arg & ~1);\n")
664 write_c("\tCHECK(!val->result_ok);\n\t")
665 out_java_struct.write("\tpublic static final class " + human_ty + "_Err extends " + human_ty + " {\n")
666 if err_map.ret_conv is not None:
667 write_c(err_map.ret_conv[0].replace("\n", "\n\t") + "(*val->contents.err)")
668 write_c(err_map.ret_conv[1].replace("\n", "\n\t") + "\n\treturn " + err_map.ret_conv_name)
670 write_c("return *val->contents.err")
673 if err_map.java_hu_ty != "void":
674 out_java_struct.write("\t\tpublic final " + err_map.java_hu_ty + " err;\n")
675 out_java_struct.write("\t\tprivate " + human_ty + "_Err(Object _dummy, long ptr) {\n")
676 out_java_struct.write("\t\t\tsuper(_dummy, ptr);\n")
677 if err_map.java_hu_ty == "void":
679 elif err_map.to_hu_conv is not None:
680 out_java_struct.write("\t\t\t" + err_map.java_ty + " err = bindings." + struct_name + "_get_err(ptr);\n")
681 out_java_struct.write("\t\t\t" + err_map.to_hu_conv.replace("\n", "\n\t\t\t"))
682 out_java_struct.write("\n\t\t\tthis.err = " + err_map.to_hu_conv_name + ";\n")
684 out_java_struct.write("\t\t\tthis.err = bindings." + struct_name + "_get_err(ptr);\n")
685 out_java_struct.write("\t\t}\n")
687 out_java_struct.write("\t}\n\n")
689 def map_tuple(struct_name, field_lines):
690 out_java.write("\tpublic static native long " + struct_name + "_new(")
691 write_c(consts.c_fn_ty_pfx + consts.ptr_c_ty + " " + consts.c_fn_name_define_pfx(struct_name + "_new", len(field_lines) > 3))
693 for idx, line in enumerate(field_lines):
694 if idx != 0 and idx < len(field_lines) - 2:
695 ty_info = java_c_types(line.strip(';'), None)
699 e = chr(ord('a') + idx - 1)
700 out_java.write(ty_info.java_ty + " " + e)
701 write_c(ty_info.c_ty + " " + e)
702 ty_list.append(ty_info)
703 tuple_types[struct_name] = (ty_list, struct_name)
704 out_java.write(");\n")
706 write_c("\t" + struct_name + "* ret = MALLOC(sizeof(" + struct_name + "), \"" + struct_name + "\");\n")
707 for idx, line in enumerate(field_lines):
708 if idx != 0 and idx < len(field_lines) - 2:
709 ty_info = type_mapping_generator.map_type(line.strip(';'), False, None, False, False)
710 e = chr(ord('a') + idx - 1)
711 if ty_info.arg_conv is not None:
712 write_c("\t" + ty_info.arg_conv.replace("\n", "\n\t"))
713 write_c("\n\tret->" + e + " = " + ty_info.arg_conv_name + ";\n")
715 write_c("\tret->" + e + " = " + e + ";\n")
716 if ty_info.arg_conv_cleanup is not None:
717 write_c("\t//TODO: Really need to call " + ty_info.arg_conv_cleanup + " here\n")
718 write_c("\treturn (uint64_t)ret;\n")
721 for idx, ty_info in enumerate(ty_list):
722 e = chr(ord('a') + idx)
723 out_java.write("\tpublic static native " + ty_info.java_ty + " " + struct_name + "_get_" + e + "(long ptr);\n")
724 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")
725 write_c("\t" + struct_name + " *tuple = (" + struct_name + "*)(ptr & ~1);\n")
726 conv_info = type_mapping_generator.map_type_with_info(ty_info, False, None, False, True)
727 if conv_info.ret_conv is not None:
728 write_c("\t" + conv_info.ret_conv[0].replace("\n", "\n\t") + "tuple->" + e + conv_info.ret_conv[1].replace("\n", "\n\t") + "\n")
729 write_c("\treturn " + conv_info.ret_conv_name + ";\n")
731 write_c("\treturn tuple->" + e + ";\n")
734 out_java.write(consts.bindings_header.replace('<git_version_ldk_garbagecollected>', local_git_version))
736 with open(f"{sys.argv[3]}/structs/CommonBase{consts.file_ext}", "w") as out_java_struct:
737 out_java_struct.write(consts.common_base)
740 last_block_comment = None
743 const_val_regex = re.compile("^extern const ([A-Za-z_0-9]*) ([A-Za-z_0-9]*);$")
745 line_indicates_result_regex = re.compile("^ union (LDKCResult_[A-Za-z_0-9]*Ptr) contents;$")
746 line_indicates_vec_regex = re.compile("^ (struct |enum |union )?([A-Za-z_0-9]*) \*data;$")
747 line_indicates_opaque_regex = re.compile("^ bool is_owned;$")
748 line_indicates_trait_regex = re.compile("^ (struct |enum |union )?([A-Za-z_0-9]* \*?)\(\*([A-Za-z_0-9]*)\)\((const )?void \*this_arg(.*)\);$")
749 assert(line_indicates_trait_regex.match(" uintptr_t (*send_data)(void *this_arg, LDKu8slice data, bool resume_read);"))
750 assert(line_indicates_trait_regex.match(" struct LDKCVec_MessageSendEventZ (*get_and_clear_pending_msg_events)(const void *this_arg);"))
751 assert(line_indicates_trait_regex.match(" void *(*clone)(const void *this_arg);"))
752 assert(line_indicates_trait_regex.match(" struct LDKCVec_u8Z (*write)(const void *this_arg);"))
753 line_field_var_regex = re.compile("^ struct ([A-Za-z_0-9]*) ([A-Za-z_0-9]*);$")
754 assert(line_field_var_regex.match(" struct LDKMessageSendEventsProvider MessageSendEventsProvider;"))
755 assert(line_field_var_regex.match(" struct LDKChannelPublicKeys pubkeys;"))
756 struct_name_regex = re.compile("^typedef (struct|enum|union) (MUST_USE_STRUCT )?(LDK[A-Za-z_0-9]*) {$")
757 assert(struct_name_regex.match("typedef struct LDKCVec_u8Z {"))
758 assert(struct_name_regex.match("typedef enum LDKNetwork {"))
760 union_enum_items = {}
761 result_ptr_struct_items = {}
763 if block_comment is not None:
764 if line.endswith("*/\n"):
765 last_block_comment = block_comment.strip("\n")
768 block_comment = block_comment + line.strip(" /*")
769 elif cur_block_obj is not None:
770 cur_block_obj = cur_block_obj + line
771 if line.startswith("} "):
775 obj_lines = cur_block_obj.split("\n")
777 result_contents = None
778 is_unitary_enum = False
779 is_union_enum = False
785 for idx, struct_line in enumerate(obj_lines):
786 if struct_line.strip().startswith("/*"):
787 block_comment = struct_line.strip(" /*")
788 if block_comment is not None:
789 if struct_line.endswith("*/"):
790 last_struct_block_comment = block_comment.strip("\n")
793 block_comment = block_comment + "\n" + struct_line.strip(" /*")
795 struct_name_match = struct_name_regex.match(struct_line)
796 if struct_name_match is not None:
797 struct_name = struct_name_match.group(3)
798 if struct_name_match.group(1) == "enum":
799 if not struct_name.endswith("_Tag"):
800 is_unitary_enum = True
803 elif struct_name_match.group(1) == "union":
805 if line_indicates_opaque_regex.match(struct_line):
807 result_match = line_indicates_result_regex.match(struct_line)
808 if result_match is not None:
809 result_contents = result_match.group(1)
810 vec_ty_match = line_indicates_vec_regex.match(struct_line)
811 if vec_ty_match is not None and struct_name.startswith("LDKCVec_"):
812 vec_ty = vec_ty_match.group(2)
813 elif struct_name.startswith("LDKC2Tuple_") or struct_name.startswith("LDKC3Tuple_"):
815 trait_fn_match = line_indicates_trait_regex.match(struct_line)
816 if trait_fn_match is not None:
817 trait_fn_lines.append((last_struct_block_comment, trait_fn_match))
818 field_var_match = line_field_var_regex.match(struct_line)
819 if field_var_match is not None:
820 field_var_lines.append(field_var_match)
821 field_lines.append(struct_line)
823 assert(struct_name is not None)
824 assert(len(trait_fn_lines) == 0 or not (is_opaque or is_unitary_enum or is_union_enum or is_union or result_contents is not None or vec_ty is not None))
825 assert(not is_opaque or not (len(trait_fn_lines) != 0 or is_unitary_enum or is_union_enum or is_union or result_contents is not None or vec_ty is not None))
826 assert(not is_unitary_enum or not (len(trait_fn_lines) != 0 or is_opaque or is_union_enum or is_union or result_contents is not None or vec_ty is not None))
827 assert(not is_union_enum or not (len(trait_fn_lines) != 0 or is_unitary_enum or is_opaque or is_union or result_contents is not None or vec_ty is not None))
828 assert(not is_union or not (len(trait_fn_lines) != 0 or is_unitary_enum or is_union_enum or is_opaque or result_contents is not None or vec_ty is not None))
829 assert(result_contents is None or not (len(trait_fn_lines) != 0 or is_unitary_enum or is_union_enum or is_opaque or is_union or vec_ty is not None))
830 assert(vec_ty is None or not (len(trait_fn_lines) != 0 or is_unitary_enum or is_union_enum or is_opaque or is_union or result_contents is not None))
833 opaque_structs.add(struct_name)
834 with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "w") as out_java_struct:
835 out_opaque_struct_human = consts.map_opaque_struct(struct_name, last_block_comment)
836 last_block_comment = None
837 out_java_struct.write(out_opaque_struct_human)
838 elif result_contents is not None:
839 assert result_contents in result_ptr_struct_items
840 res_ty, err_ty = result_ptr_struct_items[result_contents]
841 map_result(struct_name, res_ty, err_ty)
842 elif struct_name.startswith("LDKCResult_") and struct_name.endswith("ZPtr"):
843 for line in field_lines:
844 if line.endswith("*result;"):
845 res_ty = line[:-8].strip()
846 elif line.endswith("*err;"):
847 err_ty = line[:-5].strip()
848 result_ptr_struct_items[struct_name] = (res_ty, err_ty)
849 result_types.add(struct_name[:-3])
851 map_tuple(struct_name, field_lines)
852 elif vec_ty is not None:
853 ty_info = type_mapping_generator.map_type(vec_ty + " arr_elem", False, None, False, False)
854 if len(ty_info.java_fn_ty_arg) == 1: # ie we're a primitive of some form
855 out_java.write("\tpublic static native long " + struct_name + "_new(" + ty_info.java_ty + "[] elems);\n")
856 write_c(consts.c_fn_ty_pfx + consts.ptr_c_ty + " " + consts.c_fn_name_define_pfx(struct_name + "_new", True) + ty_info.c_ty + "Array elems) {\n")
857 write_c("\t" + struct_name + " *ret = MALLOC(sizeof(" + struct_name + "), \"" + struct_name + "\");\n")
858 write_c("\tret->datalen = " + consts.get_native_arr_len_call[0] + "elems" + consts.get_native_arr_len_call[1] + ";\n")
859 write_c("\tif (ret->datalen == 0) {\n")
860 write_c("\t\tret->data = NULL;\n")
861 write_c("\t} else {\n")
862 write_c("\t\tret->data = MALLOC(sizeof(" + vec_ty + ") * ret->datalen, \"" + struct_name + " Data\");\n")
863 native_arr_ptr_call = consts.get_native_arr_ptr_call(ty_info.ty_info)
864 write_c("\t\t" + ty_info.c_ty + " *java_elems = " + native_arr_ptr_call[0] + "elems" + native_arr_ptr_call[1] + ";\n")
865 write_c("\t\tfor (size_t i = 0; i < ret->datalen; i++) {\n")
866 if ty_info.arg_conv is not None:
867 write_c("\t\t\t" + ty_info.c_ty + " arr_elem = java_elems[i];\n")
868 write_c("\t\t\t" + ty_info.arg_conv.replace("\n", "\n\t\t\t") + "\n")
869 write_c("\t\t\tret->data[i] = " + ty_info.arg_conv_name + ";\n")
870 assert ty_info.arg_conv_cleanup is None
872 write_c("\t\t\tret->data[i] = java_elems[i];\n")
874 cleanup = consts.release_native_arr_ptr_call(ty_info.ty_info, "elems", "java_elems")
875 if cleanup is not None:
876 write_c("\t\t" + cleanup + ";\n")
878 write_c("\treturn (uint64_t)ret;\n")
881 if ty_info.is_native_primitive:
882 clone_fns.add(struct_name.replace("LDK", "") + "_clone")
883 write_c("static inline " + struct_name + " " + struct_name.replace("LDK", "") + "_clone(const " + struct_name + " *orig) {\n")
884 write_c("\t" + struct_name + " ret = { .data = MALLOC(sizeof(" + ty_info.c_ty + ") * orig->datalen, \"" + struct_name + " clone bytes\"), .datalen = orig->datalen };\n")
885 write_c("\tmemcpy(ret.data, orig->data, sizeof(" + ty_info.c_ty + ") * ret.datalen);\n")
886 write_c("\treturn ret;\n}\n")
887 elif (ty_info.rust_obj.replace("LDK", "") + "_clone") in clone_fns:
888 ty_name = "CVec_" + ty_info.rust_obj.replace("LDK", "") + "Z";
889 clone_fns.add(ty_name + "_clone")
890 write_c("static inline " + struct_name + " " + ty_name + "_clone(const " + struct_name + " *orig) {\n")
891 write_c("\t" + struct_name + " ret = { .data = MALLOC(sizeof(" + ty_info.rust_obj + ") * orig->datalen, \"" + struct_name + " clone bytes\"), .datalen = orig->datalen };\n")
892 write_c("\tfor (size_t i = 0; i < ret.datalen; i++) {\n")
893 write_c("\t\tret.data[i] = " + ty_info.rust_obj.replace("LDK", "") + "_clone(&orig->data[i]);\n")
894 write_c("\t}\n\treturn ret;\n}\n")
896 assert(struct_name.endswith("_Tag"))
897 struct_name = struct_name[:-4]
898 union_enum_items[struct_name] = {"field_lines": field_lines}
899 elif struct_name.endswith("_Body") and struct_name.split("_")[0] in union_enum_items:
900 enum_var_name = struct_name.split("_")
901 union_enum_items[enum_var_name[0]][enum_var_name[1]] = field_lines
902 elif struct_name in union_enum_items:
905 for line in field_lines:
906 if line == " struct {":
910 elif elem_items > -1:
912 if line.startswith("struct "):
914 elif line.startswith("enum "):
916 split = line.split(" ")
917 assert len(split) == 2
918 tuple_variants[split[1].strip(";")] = split[0]
921 # We don't currently support tuple variant with more than one element
923 map_complex_enum(struct_name, union_enum_items[struct_name], tuple_variants, last_block_comment)
924 last_block_comment = None
925 elif is_unitary_enum:
926 map_unitary_enum(struct_name, field_lines, last_block_comment)
927 last_block_comment = None
928 elif len(trait_fn_lines) > 0:
929 map_trait(struct_name, field_var_lines, trait_fn_lines, last_block_comment)
930 elif struct_name == "LDKTxOut":
931 with open(f"{sys.argv[3]}/structs/TxOut{consts.file_ext}", "w") as out_java_struct:
932 out_java_struct.write(consts.hu_struct_file_prefix)
933 out_java_struct.write("public class TxOut extends CommonBase{\n")
934 out_java_struct.write("\tTxOut(java.lang.Object _dummy, long ptr) { super(ptr); }\n")
935 out_java_struct.write("\tlong to_c_ptr() { return 0; }\n")
936 out_java_struct.write("\t@Override @SuppressWarnings(\"deprecation\")\n")
937 out_java_struct.write("\tprotected void finalize() throws Throwable {\n")
938 out_java_struct.write("\t\tsuper.finalize();\n")
939 out_java_struct.write("\t\tif (ptr != 0) { bindings.TxOut_free(ptr); }\n")
940 out_java_struct.write("\t}\n")
942 out_java_struct.write("}")
944 pass # Everything remaining is a byte[] or some form
947 fn_ptr = fn_ptr_regex.match(line)
948 fn_ret_arr = fn_ret_arr_regex.match(line)
949 reg_fn = reg_fn_regex.match(line)
950 const_val = const_val_regex.match(line)
952 if line.startswith("#include <"):
954 elif line.startswith("/*"):
955 if not line.endswith("*/\n"):
956 block_comment = line.strip(" /*")
957 elif line.startswith("typedef enum "):
959 elif line.startswith("typedef struct "):
961 elif line.startswith("typedef union "):
963 elif fn_ptr is not None:
964 map_fn(line, fn_ptr, None, None, last_block_comment)
965 last_block_comment = None
966 elif fn_ret_arr is not None:
967 map_fn(line, fn_ret_arr, fn_ret_arr.group(4), None, last_block_comment)
968 last_block_comment = None
969 elif reg_fn is not None:
970 map_fn(line, reg_fn, None, None, last_block_comment)
971 last_block_comment = None
972 elif const_val_regex is not None:
973 # TODO Map const variables
978 out_java.write(consts.bindings_footer)
979 for struct_name in opaque_structs:
980 with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "a") as out_java_struct:
981 out_java_struct.write("}\n")
982 for struct_name in trait_structs:
983 with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "a") as out_java_struct:
984 out_java_struct.write("}\n")
985 for struct_name in complex_enums:
986 with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '').replace('COption', 'Option')}{consts.file_ext}", "a") as out_java_struct:
987 out_java_struct.write("}\n")
988 for struct_name in result_types:
989 with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDKCResult', 'Result')}{consts.file_ext}", "a") as out_java_struct:
990 out_java_struct.write("}\n")
992 with open(sys.argv[4], "w") as out_c:
993 out_c.write(consts.c_file_pfx.replace('<git_version_ldk_garbagecollected>', local_git_version))
994 out_c.write(consts.init_str())
996 with open(f"{sys.argv[3]}/structs/UtilMethods{consts.file_ext}", "a") as util:
997 util.write(consts.util_fn_sfx)