2 import os, 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 = os.getenv("LDK_GARBAGECOLLECTED_GIT_OVERRIDE")
37 if local_git_version is None:
38 local_git_version = subprocess.check_output(["git", "describe", '--tag', '--dirty']).decode("utf-8").strip()
40 from bindingstypes import *
47 def camel_to_snake(s):
48 # Convert camel case to snake case, in a way that appears to match cbindgen
54 if lastchar.isupper():
55 if not char.isupper() and not lastund:
60 ret = ret + lastchar.lower()
63 if char.isupper() and not lastund:
71 return (ret + lastchar.lower()).strip("_")
73 def doc_to_field_nullable(doc):
76 for line in doc.splitlines():
77 if "Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None" in line:
81 def doc_to_params_ret_nullable(doc):
86 for line in doc.splitlines():
87 if "may be NULL or all-0s to represent None" not in line:
89 if "Note that the return value" in line:
91 elif "Note that " in line:
92 param = line.split("Note that ")[1].split(" ")[0]
94 return (params, ret_null)
98 opaque_structs = set()
103 var_is_arr_regex = re.compile("\(\*([A-za-z0-9_]*)\)\[([a-z0-9]*)\]")
104 var_ty_regex = re.compile("([A-za-z_0-9]*)(.*)")
105 java_c_types_none_allowed = True # Unset when we do the real pass that populates the above sets
106 def java_c_types(fn_arg, ret_arr_len):
107 fn_arg = fn_arg.strip()
108 if fn_arg.startswith("MUST_USE_RES "):
111 if fn_arg.startswith("const "):
114 if fn_arg.startswith("struct "):
116 if fn_arg.startswith("enum "):
118 nonnull_ptr = "NONNULL_PTR" in fn_arg
119 fn_arg = fn_arg.replace("NONNULL_PTR", "")
126 if fn_arg.startswith("LDKThirtyTwoBytes"):
127 fn_arg = "uint8_t (*" + fn_arg[18:] + ")[32]"
128 assert var_is_arr_regex.match(fn_arg[8:])
129 rust_obj = "LDKThirtyTwoBytes"
131 elif fn_arg.startswith("LDKTxid"):
132 fn_arg = "uint8_t (*" + fn_arg[8:] + ")[32]"
133 assert var_is_arr_regex.match(fn_arg[8:])
134 rust_obj = "LDKThirtyTwoBytes"
136 elif fn_arg.startswith("LDKPublicKey"):
137 fn_arg = "uint8_t (*" + fn_arg[13:] + ")[33]"
138 assert var_is_arr_regex.match(fn_arg[8:])
139 rust_obj = "LDKPublicKey"
140 arr_access = "compressed_form"
141 elif fn_arg.startswith("LDKSecretKey"):
142 fn_arg = "uint8_t (*" + fn_arg[13:] + ")[32]"
143 assert var_is_arr_regex.match(fn_arg[8:])
144 rust_obj = "LDKSecretKey"
146 elif fn_arg.startswith("LDKSignature"):
147 fn_arg = "uint8_t (*" + fn_arg[13:] + ")[64]"
148 assert var_is_arr_regex.match(fn_arg[8:])
149 rust_obj = "LDKSignature"
150 arr_access = "compact_form"
151 elif fn_arg.startswith("LDKRecoverableSignature"):
152 fn_arg = "uint8_t (*" + fn_arg[25:] + ")[68]"
153 assert var_is_arr_regex.match(fn_arg[8:])
154 rust_obj = "LDKRecoverableSignature"
155 arr_access = "serialized_form"
156 elif fn_arg.startswith("LDKThreeBytes"):
157 fn_arg = "uint8_t (*" + fn_arg[14:] + ")[3]"
158 assert var_is_arr_regex.match(fn_arg[8:])
159 rust_obj = "LDKThreeBytes"
161 elif fn_arg.startswith("LDKFourBytes"):
162 fn_arg = "uint8_t (*" + fn_arg[13:] + ")[4]"
163 assert var_is_arr_regex.match(fn_arg[8:])
164 rust_obj = "LDKFourBytes"
166 elif fn_arg.startswith("LDKSixteenBytes"):
167 fn_arg = "uint8_t (*" + fn_arg[16:] + ")[16]"
168 assert var_is_arr_regex.match(fn_arg[8:])
169 rust_obj = "LDKSixteenBytes"
171 elif fn_arg.startswith("LDKTwentyBytes"):
172 fn_arg = "uint8_t (*" + fn_arg[15:] + ")[20]"
173 assert var_is_arr_regex.match(fn_arg[8:])
174 rust_obj = "LDKTwentyBytes"
176 elif fn_arg.startswith("LDKTenBytes"):
177 fn_arg = "uint8_t (*" + fn_arg[12:] + ")[10]"
178 assert var_is_arr_regex.match(fn_arg[8:])
179 rust_obj = "LDKTenBytes"
181 elif fn_arg.startswith("LDKu8slice"):
182 fn_arg = "uint8_t (*" + fn_arg[11:] + ")[datalen]"
183 assert var_is_arr_regex.match(fn_arg[8:])
184 rust_obj = "LDKu8slice"
186 elif fn_arg.startswith("LDKCVec_u8Z"):
187 fn_arg = "uint8_t (*" + fn_arg[12:] + ")[datalen]"
188 rust_obj = "LDKCVec_u8Z"
189 assert var_is_arr_regex.match(fn_arg[8:])
191 elif fn_arg.startswith("LDKTransaction ") or fn_arg == "LDKTransaction":
192 fn_arg = "uint8_t (*" + fn_arg[15:] + ")[datalen]"
193 rust_obj = "LDKTransaction"
194 assert var_is_arr_regex.match(fn_arg[8:])
196 elif fn_arg.startswith("LDKCVec_"):
199 fn_arg = fn_arg.replace("*", "")
202 tyn = fn_arg[8:].split(" ")
203 assert tyn[0].endswith("Z")
207 new_arg = "LDK" + tyn[0][:-1]
209 new_arg = new_arg + " " + a
210 res = java_c_types(new_arg, ret_arr_len)
212 assert java_c_types_none_allowed
215 res.pass_by_ref = True
216 if res.is_native_primitive or res.passed_as_ptr:
217 return TypeInfo(rust_obj=fn_arg.split(" ")[0], java_ty=res.java_ty + "[]", java_hu_ty=res.java_hu_ty + "[]",
218 java_fn_ty_arg="[" + res.java_fn_ty_arg, c_ty=res.c_ty + "Array", passed_as_ptr=False, is_ptr=is_ptr,
219 nonnull_ptr=nonnull_ptr, is_const=is_const,
220 var_name=res.var_name, arr_len="datalen", arr_access="data", subty=res, is_native_primitive=False)
222 return TypeInfo(rust_obj=fn_arg.split(" ")[0], java_ty=res.java_ty + "[]", java_hu_ty=res.java_hu_ty + "[]",
223 java_fn_ty_arg="[" + res.java_fn_ty_arg, c_ty=consts.ptr_arr, passed_as_ptr=False, is_ptr=is_ptr,
224 nonnull_ptr=nonnull_ptr, is_const=is_const,
225 var_name=res.var_name, arr_len="datalen", arr_access="data", subty=res, is_native_primitive=False)
230 java_type_plural = None
231 if fn_arg.startswith("void"):
235 fn_arg = fn_arg[4:].strip()
237 elif fn_arg.startswith("bool"):
241 fn_arg = fn_arg[4:].strip()
243 elif fn_arg.startswith("uint8_t"):
244 mapped_type = consts.c_type_map['uint8_t']
245 java_ty = mapped_type[0]
248 fn_arg = fn_arg[7:].strip()
250 elif fn_arg.startswith("LDKu5"):
251 java_ty = consts.c_type_map['uint8_t'][0]
256 fn_arg = fn_arg[6:].strip()
257 elif fn_arg.startswith("uint16_t"):
258 mapped_type = consts.c_type_map['uint16_t']
259 java_ty = mapped_type[0]
262 fn_arg = fn_arg[8:].strip()
264 elif fn_arg.startswith("uint32_t"):
265 mapped_type = consts.c_type_map['uint32_t']
266 java_ty = mapped_type[0]
269 fn_arg = fn_arg[8:].strip()
271 elif fn_arg.startswith("uint64_t") or fn_arg.startswith("uintptr_t"):
272 # TODO: uintptr_t is arch-dependent :(
273 mapped_type = consts.c_type_map['uint64_t']
274 java_ty = mapped_type[0]
276 if fn_arg.startswith("uint64_t"):
278 fn_arg = fn_arg[8:].strip()
281 rust_obj = "uintptr_t"
282 fn_arg = fn_arg[9:].strip()
284 elif is_const and fn_arg.startswith("char *"):
287 fn_ty_arg = "Ljava/lang/String;"
288 fn_arg = fn_arg[6:].strip()
289 elif fn_arg.startswith("LDKStr"):
293 fn_ty_arg = "Ljava/lang/String;"
294 fn_arg = fn_arg[6:].strip()
298 ma = var_ty_regex.match(fn_arg)
299 if ma.group(1).strip() in unitary_enums:
300 assert ma.group(1).strip().startswith("LDK")
301 java_ty = ma.group(1).strip()[3:]
303 c_ty = consts.result_c_ty
304 fn_ty_arg = "Lorg/ldk/enums/" + java_ty + ";"
305 fn_arg = ma.group(2).strip()
306 rust_obj = ma.group(1).strip()
307 elif ma.group(1).strip().startswith("LDKC2Tuple"):
308 c_ty = consts.ptr_c_ty
309 java_ty = consts.ptr_native_ty
310 java_hu_ty = "TwoTuple<"
311 if not ma.group(1).strip() in tuple_types:
312 assert java_c_types_none_allowed
314 for idx, ty_info in enumerate(tuple_types[ma.group(1).strip()][0]):
316 java_hu_ty = java_hu_ty + ", "
317 if ty_info.is_native_primitive:
318 if ty_info.java_hu_ty == "int":
319 java_hu_ty = java_hu_ty + "Integer" # Java concrete integer type is Integer, not Int
321 java_hu_ty = java_hu_ty + ty_info.java_hu_ty.title() # If we're a primitive, capitalize the first letter
323 java_hu_ty = java_hu_ty + ty_info.java_hu_ty
324 java_hu_ty = java_hu_ty + ">"
326 fn_arg = ma.group(2).strip()
327 rust_obj = ma.group(1).strip()
329 elif ma.group(1).strip().startswith("LDKC3Tuple"):
330 c_ty = consts.ptr_c_ty
331 java_ty = consts.ptr_native_ty
332 java_hu_ty = "ThreeTuple<"
333 if not ma.group(1).strip() in tuple_types:
334 assert java_c_types_none_allowed
336 for idx, ty_info in enumerate(tuple_types[ma.group(1).strip()][0]):
338 java_hu_ty = java_hu_ty + ", "
339 if ty_info.is_native_primitive:
340 if ty_info.java_hu_ty == "int":
341 java_hu_ty = java_hu_ty + "Integer" # Java concrete integer type is Integer, not Int
343 java_hu_ty = java_hu_ty + ty_info.java_hu_ty.title() # If we're a primitive, capitalize the first letter
345 java_hu_ty = java_hu_ty + ty_info.java_hu_ty
346 java_hu_ty = java_hu_ty + ">"
348 fn_arg = ma.group(2).strip()
349 rust_obj = ma.group(1).strip()
352 c_ty = consts.ptr_c_ty
353 java_ty = consts.ptr_native_ty
354 java_hu_ty = ma.group(1).strip().replace("LDKCOption", "Option").replace("LDKCResult", "Result").replace("LDK", "")
356 fn_arg = ma.group(2).strip()
357 rust_obj = ma.group(1).strip()
360 if fn_arg.startswith(" *") or fn_arg.startswith("*"):
361 fn_arg = fn_arg.replace("*", "").strip()
363 c_ty = consts.ptr_c_ty
364 java_ty = consts.ptr_native_ty
367 var_is_arr = var_is_arr_regex.match(fn_arg)
368 if var_is_arr is not None or ret_arr_len is not None:
369 assert(not take_by_ptr)
371 # is there a special case for plurals?
372 if len(mapped_type) == 2:
373 java_ty = mapped_type[1]
375 java_ty = java_ty + "[]"
376 c_ty = c_ty + "Array"
377 if var_is_arr is not None:
378 if var_is_arr.group(1) == "":
379 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,
380 passed_as_ptr=False, is_ptr=False, nonnull_ptr=nonnull_ptr, var_name="arg",
381 arr_len=var_is_arr.group(2), arr_access=arr_access, is_native_primitive=False)
382 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,
383 passed_as_ptr=False, is_ptr=False, nonnull_ptr=nonnull_ptr, var_name=var_is_arr.group(1),
384 arr_len=var_is_arr.group(2), arr_access=arr_access, is_native_primitive=False)
386 if java_hu_ty is None:
388 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,
389 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)
391 fn_ptr_regex = re.compile("^extern const ([A-Za-z_0-9\* ]*) \(\*(.*)\)\((.*)\);$")
392 fn_ret_arr_regex = re.compile("(.*) \(\*(.*)\((.*)\)\)\[([0-9]*)\];$")
393 reg_fn_regex = re.compile("([A-Za-z_0-9\* ]* \*?)([a-zA-Z_0-9]*)\((.*)\);$")
397 from gen_type_mapping import TypeMappingGenerator
398 type_mapping_generator = TypeMappingGenerator(java_c_types, consts, opaque_structs, clone_fns, unitary_enums, trait_structs, complex_enums, result_types, tuple_types)
400 with open(sys.argv[1]) as in_h:
402 reg_fn = reg_fn_regex.match(line)
403 if reg_fn is not None:
404 if reg_fn.group(2).endswith("_clone"):
405 clone_fns.add(reg_fn.group(2))
407 rty = java_c_types(reg_fn.group(1), None)
408 if rty is not None and not rty.is_native_primitive and reg_fn.group(2) == rty.java_hu_ty + "_new":
409 constructor_fns[rty.rust_obj] = reg_fn.group(3)
411 arr_fn = fn_ret_arr_regex.match(line)
412 if arr_fn is not None:
413 if arr_fn.group(2).endswith("_clone"):
414 clone_fns.add(arr_fn.group(2))
415 # No object constructors return arrays, as then they wouldn't be an object constructor
418 # Define some manual clones...
419 clone_fns.add("ThirtyTwoBytes_clone")
420 write_c("static inline struct LDKThirtyTwoBytes ThirtyTwoBytes_clone(const struct LDKThirtyTwoBytes *orig) { struct LDKThirtyTwoBytes ret; memcpy(ret.data, orig->data, 32); return ret; }\n")
422 java_c_types_none_allowed = False # C structs created by cbindgen are declared in dependency order
424 with open(f"{sys.argv[3]}/structs/UtilMethods{consts.file_ext}", "a") as util:
425 util.write(consts.util_fn_pfx)
427 with open(sys.argv[1]) as in_h, open(sys.argv[2], "w") as out_java:
428 # Map a top-level function
429 def map_fn(line, re_match, ret_arr_len, c_call_string, doc_comment):
430 method_return_type = re_match.group(1)
431 method_name = re_match.group(2)
432 orig_method_name = str(method_name)
433 method_comma_separated_arguments = re_match.group(3)
434 method_arguments = method_comma_separated_arguments.split(',')
436 is_free = method_name.endswith("_free")
437 if method_name.startswith("COption") or method_name.startswith("CResult"):
438 struct_meth = method_name.rsplit("Z", 1)[0][1:] + "Z"
440 struct_meth = method_name.split("_")[0]
442 return_type_info = type_mapping_generator.map_type(method_return_type.strip() + " ret", True, ret_arr_len, False, False)
444 (params_nullable, ret_nullable) = doc_to_params_ret_nullable(doc_comment)
446 return_type_info.nullable = True
449 default_constructor_args = {}
451 takes_self_ptr = False
454 for argument_index, argument in enumerate(method_arguments):
455 argument_conversion_info = type_mapping_generator.map_type(argument, False, None, is_free, True)
456 if argument_index == 0 and argument_conversion_info.java_hu_ty == struct_meth:
458 if argument_conversion_info.ty_info.is_ptr:
459 takes_self_ptr = True
460 elif argument_conversion_info.arg_name in params_nullable:
461 argument_conversion_info.nullable = True
462 if argument_conversion_info.arg_conv is not None and "Warning" in argument_conversion_info.arg_conv:
463 assert not argument_conversion_info.arg_name in params_nullable
464 if argument_conversion_info.rust_obj in constructor_fns:
466 for explode_arg in constructor_fns[argument_conversion_info.rust_obj].split(','):
467 explode_arg_conv = type_mapping_generator.map_type(explode_arg, False, None, False, True)
468 if explode_arg_conv.c_ty == "void":
469 # We actually want to handle this case, but for now its only used in NetGraphMsgHandler::new()
470 # which ends up resulting in a redundant constructor - both without arguments for the NetworkGraph.
473 if not argument_conversion_info.arg_name in default_constructor_args:
474 default_constructor_args[argument_conversion_info.arg_name] = []
475 default_constructor_args[argument_conversion_info.arg_name].append(explode_arg_conv)
476 argument_types.append(argument_conversion_info)
477 if not takes_self and return_type_info.java_hu_ty != struct_meth:
478 if not return_type_info.java_hu_ty.startswith("Result_" + struct_meth):
479 method_name = orig_method_name
482 out_java.write("\t// " + line)
483 (out_java_delta, out_c_delta, out_java_struct_delta) = \
484 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)
485 out_java.write(out_java_delta)
488 assert len(argument_types) == 1
489 assert return_type_info.c_ty == "void"
490 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")
491 if argument_types[0].ty_info.passed_as_ptr and not argument_types[0].ty_info.rust_obj in opaque_structs:
492 write_c("\tif ((" + argument_types[0].ty_info.var_name + " & 1) != 0) return;\n")
494 for info in argument_types:
495 if info.arg_conv is not None:
496 write_c("\t" + info.arg_conv.replace('\n', "\n\t") + "\n")
497 assert c_call_string is None
498 write_c("\t" + method_name + "(")
499 if argument_types[0].arg_conv_name is not None:
500 write_c(argument_types[0].arg_conv_name)
502 for info in argument_types:
503 if info.arg_conv_cleanup is not None:
504 write_c("\n\t" + info.arg_conv_cleanup.replace("\n", "\n\t"))
509 out_java_struct = None
510 expected_struct = "LDK" + struct_meth
511 expected_cstruct = "LDKC" + struct_meth
512 if (expected_struct in opaque_structs or expected_struct in trait_structs
513 or expected_struct in complex_enums or expected_cstruct in complex_enums
514 or expected_cstruct in result_types) and not is_free:
515 out_java_struct = open(f"{sys.argv[3]}/structs/{struct_meth}{consts.file_ext}", "a")
516 out_java_struct.write(out_java_struct_delta)
517 elif (not is_free and not method_name.endswith("_clone") and
518 not method_name.startswith("_") and
519 method_name != "check_platform" and method_name != "Result_read" and
520 not expected_struct in unitary_enums and
521 ((not method_name.startswith("C2Tuple_") and not method_name.startswith("C3Tuple_"))
522 or method_name.endswith("_read"))):
523 out_java_struct = open(f"{sys.argv[3]}/structs/UtilMethods{consts.file_ext}", "a")
524 for line in out_java_struct_delta.splitlines():
525 if not line.strip().startswith("this."):
526 out_java_struct.write(line + "\n")
528 out_java_struct.write("\t\t// " + line.strip() + "\n")
530 def map_unitary_enum(struct_name, field_lines, enum_doc_comment):
531 assert struct_name.startswith("LDK")
532 with open(f"{sys.argv[3]}/enums/{struct_name[3:]}{consts.file_ext}", "w") as out_java_enum:
533 unitary_enums.add(struct_name)
534 for idx, (struct_line, _) in enumerate(field_lines):
536 assert(struct_line == "typedef enum %s {" % struct_name)
537 elif idx == len(field_lines) - 3:
538 assert(struct_line.endswith("_Sentinel,"))
539 elif idx == len(field_lines) - 2:
540 assert(struct_line == "} %s;" % struct_name)
541 elif idx == len(field_lines) - 1:
542 assert(struct_line == "")
543 assert struct_name.startswith("LDK")
544 (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)
546 out_java_enum.write(native_file_out)
547 out_java.write(native_out)
549 def map_complex_enum(struct_name, union_enum_items, inline_enum_variants, enum_doc_comment):
550 java_hu_type = struct_name.replace("LDK", "").replace("COption", "Option")
551 complex_enums.add(struct_name)
554 tag_field_lines = union_enum_items["field_lines"]
555 for idx, (struct_line, _) in enumerate(tag_field_lines):
557 assert(struct_line == "typedef enum %s_Tag {" % struct_name)
558 elif idx == len(tag_field_lines) - 3:
559 assert(struct_line.endswith("_Sentinel,"))
560 elif idx == len(tag_field_lines) - 2:
561 assert(struct_line == "} %s_Tag;" % struct_name)
562 elif idx == len(tag_field_lines) - 1:
563 assert(struct_line == "")
565 variant_name = struct_line.strip(' ,')[len(struct_name) + 1:]
567 if "LDK" + variant_name in union_enum_items:
568 enum_var_lines = union_enum_items["LDK" + variant_name]
569 for idx, (field, field_docs) in enumerate(enum_var_lines):
570 if idx != 0 and idx < len(enum_var_lines) - 2 and field.strip() != "":
571 field_ty = type_mapping_generator.map_type(field.strip(' ;'), False, None, False, True)
572 if field_docs is not None and doc_to_field_nullable(field_docs):
573 field_ty.nullable = True
574 fields.append((field_ty, field_docs))
575 enum_variants.append(ComplexEnumVariantInfo(variant_name, fields, False))
576 elif camel_to_snake(variant_name) in inline_enum_variants:
577 # TODO: If we ever have a rust enum Variant(Option<Struct>) we need to pipe
578 # docs through to there, and then potentially mark the field nullable.
579 fields.append((type_mapping_generator.map_type(inline_enum_variants[camel_to_snake(variant_name)] + " " + camel_to_snake(variant_name), False, None, False, True), None))
580 enum_variants.append(ComplexEnumVariantInfo(variant_name, fields, True))
582 enum_variants.append(ComplexEnumVariantInfo(variant_name, fields, True))
584 with open(f"{sys.argv[3]}/structs/{java_hu_type}{consts.file_ext}", "w") as out_java_enum:
585 (out_java_addendum, out_java_enum_addendum, out_c_addendum) = consts.map_complex_enum(struct_name, enum_variants, camel_to_snake, enum_doc_comment)
587 out_java_enum.write(out_java_enum_addendum)
588 out_java.write(out_java_addendum)
589 write_c(out_c_addendum)
591 def map_trait(struct_name, field_var_lines, trait_fn_lines, trait_doc_comment):
592 with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "w") as out_java_trait:
594 flattened_field_var_convs = []
595 for var_line in field_var_lines:
596 if var_line.group(1) in trait_structs:
597 field_var_convs.append((var_line.group(1), var_line.group(2), trait_structs[var_line.group(1)]))
598 flattened_field_var_convs.append((var_line.group(1), var_line.group(2), ))
599 flattened_field_var_convs.extend(trait_structs[var_line.group(1)])
601 mapped = type_mapping_generator.map_type(var_line.group(1) + " " + var_line.group(2), False, None, False, False)
602 field_var_convs.append(mapped)
603 flattened_field_var_convs.append(mapped)
604 trait_structs[struct_name] = field_var_convs
607 for fn_docs, fn_line in trait_fn_lines:
608 if fn_line == "cloned":
609 ret_ty_info = type_mapping_generator.map_type("void", True, None, False, False)
610 field_fns.append(TraitMethInfo("cloned", False, ret_ty_info, [], fn_docs))
612 ret_ty_info = type_mapping_generator.map_type(fn_line.group(2).strip() + " ret", True, None, False, False)
613 is_const = fn_line.group(4) is not None
614 (nullable_params, ret_nullable) = doc_to_params_ret_nullable(fn_docs)
616 assert False # This isn't yet handled on the Java side
617 ret_ty_info.nullable = True
620 for idx, arg in enumerate(fn_line.group(5).split(',')):
623 arg_conv_info = type_mapping_generator.map_type(arg, True, None, False, False)
624 if arg_conv_info.arg_name in nullable_params:
625 # Types that are actually null instead of all-0s aren't yet handled on the Java side:
626 assert arg_conv_info.rust_obj == "LDKPublicKey"
627 arg_conv_info.nullable = True
628 arg_tys.append(arg_conv_info)
629 field_fns.append(TraitMethInfo(fn_line.group(3), is_const, ret_ty_info, arg_tys, fn_docs))
631 (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)
632 write_c(out_c_addendum)
633 out_java_trait.write(out_java_trait_addendum)
634 out_java.write(out_java_addendum)
636 for fn_docs, fn_line in trait_fn_lines:
637 if fn_line == "cloned":
639 # For now, just disable enabling the _call_log - we don't know how to inverse-map String
640 is_log = fn_line.group(3) == "log" and struct_name == "LDKLogger"
641 if fn_line.group(3) != "free" and fn_line.group(3) != "eq" and not is_log:
642 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"
643 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)
644 for idx, var_line in enumerate(field_var_lines):
645 if var_line.group(1) not in trait_structs:
646 write_c(var_line.group(1) + " " + struct_name + "_set_get_" + var_line.group(2) + "(" + struct_name + "* this_arg) {\n")
647 write_c("\tif (this_arg->set_" + var_line.group(2) + " != NULL)\n")
648 write_c("\t\tthis_arg->set_" + var_line.group(2) + "(this_arg);\n")
649 write_c("\treturn this_arg->" + var_line.group(2) + ";\n")
651 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"
652 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)
654 def map_result(struct_name, res_ty, err_ty):
655 result_types.add(struct_name)
656 human_ty = struct_name.replace("LDKCResult", "Result")
657 with open(f"{sys.argv[3]}/structs/{human_ty}{consts.file_ext}", "w") as out_java_struct:
658 out_java_struct.write(consts.hu_struct_file_prefix)
659 out_java_struct.write("public class " + human_ty + " extends CommonBase {\n")
660 out_java_struct.write("\tprivate " + human_ty + "(Object _dummy, long ptr) { super(ptr); }\n")
661 out_java_struct.write("\tprotected void finalize() throws Throwable {\n")
662 out_java_struct.write("\t\tif (ptr != 0) { bindings." + struct_name.replace("LDK","") + "_free(ptr); } super.finalize();\n")
663 out_java_struct.write("\t}\n\n")
664 out_java_struct.write("\tstatic " + human_ty + " constr_from_ptr(long ptr) {\n")
665 out_java_struct.write("\t\tif (bindings." + struct_name + "_result_ok(ptr)) {\n")
666 out_java_struct.write("\t\t\treturn new " + human_ty + "_OK(null, ptr);\n")
667 out_java_struct.write("\t\t} else {\n")
668 out_java_struct.write("\t\t\treturn new " + human_ty + "_Err(null, ptr);\n")
669 out_java_struct.write("\t\t}\n")
670 out_java_struct.write("\t}\n")
672 res_map = type_mapping_generator.map_type(res_ty + " res", True, None, False, True)
673 err_map = type_mapping_generator.map_type(err_ty + " err", True, None, False, True)
675 if not res_map.is_native_primitive and (res_map.rust_obj.replace("LDK", "") + "_clone" not in clone_fns):
677 if not err_map.is_native_primitive and (err_map.rust_obj.replace("LDK", "") + "_clone" not in clone_fns):
680 out_java.write("\tpublic static native boolean " + struct_name + "_result_ok(long arg);\n")
681 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")
682 write_c("\treturn ((" + struct_name + "*)arg)->result_ok;\n")
685 out_java.write("\tpublic static native " + res_map.java_ty + " " + struct_name + "_get_ok(long arg);\n")
686 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")
687 write_c("\t" + struct_name + " *val = (" + struct_name + "*)(arg & ~1);\n")
688 write_c("\tCHECK(val->result_ok);\n\t")
689 out_java_struct.write("\tpublic static final class " + human_ty + "_OK extends " + human_ty + " {\n")
690 if res_map.ret_conv is not None:
691 write_c(res_map.ret_conv[0].replace("\n", "\n\t") + "(*val->contents.result)")
692 write_c(res_map.ret_conv[1].replace("\n", "\n\t") + "\n\treturn " + res_map.ret_conv_name)
694 write_c("return *val->contents.result")
697 if res_map.java_hu_ty != "void":
698 out_java_struct.write("\t\tpublic final " + res_map.java_hu_ty + " res;\n")
699 out_java_struct.write("\t\tprivate " + human_ty + "_OK(Object _dummy, long ptr) {\n")
700 out_java_struct.write("\t\t\tsuper(_dummy, ptr);\n")
701 if res_map.java_hu_ty == "void":
703 elif res_map.to_hu_conv is not None:
704 out_java_struct.write("\t\t\t" + res_map.java_ty + " res = bindings." + struct_name + "_get_ok(ptr);\n")
705 out_java_struct.write("\t\t\t" + res_map.to_hu_conv.replace("\n", "\n\t\t\t"))
706 out_java_struct.write("\n\t\t\tthis.res = " + res_map.to_hu_conv_name + ";\n")
708 out_java_struct.write("\t\t\tthis.res = bindings." + struct_name + "_get_ok(ptr);\n")
709 out_java_struct.write("\t\t}\n")
710 out_java_struct.write("\t}\n\n")
712 out_java.write("\tpublic static native " + err_map.java_ty + " " + struct_name + "_get_err(long arg);\n")
713 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")
714 write_c("\t" + struct_name + " *val = (" + struct_name + "*)(arg & ~1);\n")
715 write_c("\tCHECK(!val->result_ok);\n\t")
716 out_java_struct.write("\tpublic static final class " + human_ty + "_Err extends " + human_ty + " {\n")
717 if err_map.ret_conv is not None:
718 write_c(err_map.ret_conv[0].replace("\n", "\n\t") + "(*val->contents.err)")
719 write_c(err_map.ret_conv[1].replace("\n", "\n\t") + "\n\treturn " + err_map.ret_conv_name)
721 write_c("return *val->contents.err")
724 if err_map.java_hu_ty != "void":
725 out_java_struct.write("\t\tpublic final " + err_map.java_hu_ty + " err;\n")
726 out_java_struct.write("\t\tprivate " + human_ty + "_Err(Object _dummy, long ptr) {\n")
727 out_java_struct.write("\t\t\tsuper(_dummy, ptr);\n")
728 if err_map.java_hu_ty == "void":
730 elif err_map.to_hu_conv is not None:
731 out_java_struct.write("\t\t\t" + err_map.java_ty + " err = bindings." + struct_name + "_get_err(ptr);\n")
732 out_java_struct.write("\t\t\t" + err_map.to_hu_conv.replace("\n", "\n\t\t\t"))
733 out_java_struct.write("\n\t\t\tthis.err = " + err_map.to_hu_conv_name + ";\n")
735 out_java_struct.write("\t\t\tthis.err = bindings." + struct_name + "_get_err(ptr);\n")
736 out_java_struct.write("\t\t}\n")
738 out_java_struct.write("\t}\n\n")
740 def map_tuple(struct_name, field_lines):
741 out_java.write("\tpublic static native long " + struct_name + "_new(")
742 write_c(consts.c_fn_ty_pfx + consts.ptr_c_ty + " " + consts.c_fn_name_define_pfx(struct_name + "_new", len(field_lines) > 3))
744 for idx, (line, _) in enumerate(field_lines):
745 if idx != 0 and idx < len(field_lines) - 2:
746 ty_info = java_c_types(line.strip(';'), None)
750 e = chr(ord('a') + idx - 1)
751 out_java.write(ty_info.java_ty + " " + e)
752 write_c(ty_info.c_ty + " " + e)
753 ty_list.append(ty_info)
754 tuple_types[struct_name] = (ty_list, struct_name)
755 out_java.write(");\n")
757 write_c("\t" + struct_name + "* ret = MALLOC(sizeof(" + struct_name + "), \"" + struct_name + "\");\n")
758 for idx, (line, _) in enumerate(field_lines):
759 if idx != 0 and idx < len(field_lines) - 2:
760 ty_info = type_mapping_generator.map_type(line.strip(';'), False, None, False, False)
761 e = chr(ord('a') + idx - 1)
762 if ty_info.arg_conv is not None:
763 write_c("\t" + ty_info.arg_conv.replace("\n", "\n\t"))
764 write_c("\n\tret->" + e + " = " + ty_info.arg_conv_name + ";\n")
766 write_c("\tret->" + e + " = " + e + ";\n")
767 if ty_info.arg_conv_cleanup is not None:
768 write_c("\t//TODO: Really need to call " + ty_info.arg_conv_cleanup + " here\n")
769 write_c("\treturn (uint64_t)ret;\n")
772 for idx, ty_info in enumerate(ty_list):
773 e = chr(ord('a') + idx)
774 out_java.write("\tpublic static native " + ty_info.java_ty + " " + struct_name + "_get_" + e + "(long ptr);\n")
775 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")
776 write_c("\t" + struct_name + " *tuple = (" + struct_name + "*)(ptr & ~1);\n")
777 conv_info = type_mapping_generator.map_type_with_info(ty_info, False, None, False, True)
778 if conv_info.ret_conv is not None:
779 write_c("\t" + conv_info.ret_conv[0].replace("\n", "\n\t") + "tuple->" + e + conv_info.ret_conv[1].replace("\n", "\n\t") + "\n")
780 write_c("\treturn " + conv_info.ret_conv_name + ";\n")
782 write_c("\treturn tuple->" + e + ";\n")
785 out_java.write(consts.bindings_header.replace('<git_version_ldk_garbagecollected>', local_git_version))
787 with open(f"{sys.argv[3]}/structs/CommonBase{consts.file_ext}", "w") as out_java_struct:
788 out_java_struct.write(consts.common_base)
791 last_block_comment = None
794 const_val_regex = re.compile("^extern const ([A-Za-z_0-9]*) ([A-Za-z_0-9]*);$")
796 line_indicates_result_regex = re.compile("^ union (LDKCResult_[A-Za-z_0-9]*Ptr) contents;$")
797 line_indicates_vec_regex = re.compile("^ (struct |enum |union )?([A-Za-z_0-9]*) \*data;$")
798 line_indicates_opaque_regex = re.compile("^ bool is_owned;$")
799 line_indicates_trait_regex = re.compile("^ (struct |enum |union )?([A-Za-z_0-9]* \*?)\(\*([A-Za-z_0-9]*)\)\((const )?void \*this_arg(.*)\);$")
800 assert(line_indicates_trait_regex.match(" uintptr_t (*send_data)(void *this_arg, LDKu8slice data, bool resume_read);"))
801 assert(line_indicates_trait_regex.match(" struct LDKCVec_MessageSendEventZ (*get_and_clear_pending_msg_events)(const void *this_arg);"))
802 assert(line_indicates_trait_regex.match(" struct LDKCVec_u8Z (*write)(const void *this_arg);"))
803 line_indicates_trait_clone_regex = re.compile("^ void \(\*cloned\)\(struct ([A-Za-z0-9])* \*NONNULL_PTR new_[A-Za-z0-9]*\);$")
804 assert(line_indicates_trait_clone_regex.match(" void (*cloned)(struct LDKSign *NONNULL_PTR new_Sign);"))
805 line_field_var_regex = re.compile("^ struct ([A-Za-z_0-9]*) ([A-Za-z_0-9]*);$")
806 assert(line_field_var_regex.match(" struct LDKMessageSendEventsProvider MessageSendEventsProvider;"))
807 assert(line_field_var_regex.match(" struct LDKChannelPublicKeys pubkeys;"))
808 struct_name_regex = re.compile("^typedef (struct|enum|union) (MUST_USE_STRUCT )?(LDK[A-Za-z_0-9]*) {$")
809 assert(struct_name_regex.match("typedef struct LDKCVec_u8Z {"))
810 assert(struct_name_regex.match("typedef enum LDKNetwork {"))
812 union_enum_items = {}
813 result_ptr_struct_items = {}
815 if block_comment is not None:
816 if line.endswith("*/\n"):
817 last_block_comment = block_comment.strip("\n")
820 block_comment = block_comment + line.strip(" /*")
821 elif cur_block_obj is not None:
822 cur_block_obj = cur_block_obj + line
823 if line.startswith("} "):
827 obj_lines = cur_block_obj.split("\n")
829 result_contents = None
830 is_unitary_enum = False
831 is_union_enum = False
836 last_struct_block_comment = None
838 for idx, struct_line in enumerate(obj_lines):
839 if struct_line.strip().startswith("/*"):
840 block_comment = struct_line.strip(" /*")
841 if block_comment is not None:
842 if struct_line.endswith("*/"):
843 last_struct_block_comment = block_comment.strip("\n")
846 block_comment = block_comment + "\n" + struct_line.strip(" /*")
848 struct_name_match = struct_name_regex.match(struct_line)
849 if struct_name_match is not None:
850 struct_name = struct_name_match.group(3)
851 if struct_name_match.group(1) == "enum":
852 if not struct_name.endswith("_Tag"):
853 is_unitary_enum = True
856 elif struct_name_match.group(1) == "union":
858 if line_indicates_opaque_regex.match(struct_line):
860 result_match = line_indicates_result_regex.match(struct_line)
861 if result_match is not None:
862 result_contents = result_match.group(1)
863 vec_ty_match = line_indicates_vec_regex.match(struct_line)
864 if vec_ty_match is not None and struct_name.startswith("LDKCVec_"):
865 vec_ty = vec_ty_match.group(2)
866 elif struct_name.startswith("LDKC2Tuple_") or struct_name.startswith("LDKC3Tuple_"):
868 trait_fn_match = line_indicates_trait_regex.match(struct_line)
869 if trait_fn_match is not None:
870 trait_fn_lines.append((last_struct_block_comment, trait_fn_match))
871 trait_clone_fn_match = line_indicates_trait_clone_regex.match(struct_line)
872 if trait_clone_fn_match is not None:
873 trait_fn_lines.append((last_struct_block_comment, "cloned"))
874 field_var_match = line_field_var_regex.match(struct_line)
875 if field_var_match is not None:
876 field_var_lines.append(field_var_match)
877 field_lines.append((struct_line, last_struct_block_comment))
878 last_struct_block_comment = None
880 assert(struct_name is not None)
881 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))
882 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))
883 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))
884 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))
885 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))
886 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))
887 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))
890 opaque_structs.add(struct_name)
891 with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "w") as out_java_struct:
892 out_opaque_struct_human = consts.map_opaque_struct(struct_name, last_block_comment)
893 last_block_comment = None
894 out_java_struct.write(out_opaque_struct_human)
895 elif result_contents is not None:
896 assert result_contents in result_ptr_struct_items
897 res_ty, err_ty = result_ptr_struct_items[result_contents]
898 map_result(struct_name, res_ty, err_ty)
899 elif struct_name.startswith("LDKCResult_") and struct_name.endswith("ZPtr"):
900 for line, _ in field_lines:
901 if line.endswith("*result;"):
902 res_ty = line[:-8].strip()
903 elif line.endswith("*err;"):
904 err_ty = line[:-5].strip()
905 result_ptr_struct_items[struct_name] = (res_ty, err_ty)
906 result_types.add(struct_name[:-3])
908 map_tuple(struct_name, field_lines)
909 elif vec_ty is not None:
910 ty_info = type_mapping_generator.map_type(vec_ty + " arr_elem", False, None, False, False)
911 if len(ty_info.java_fn_ty_arg) == 1: # ie we're a primitive of some form
912 out_java.write("\tpublic static native long " + struct_name + "_new(" + ty_info.java_ty + "[] elems);\n")
913 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")
914 write_c("\t" + struct_name + " *ret = MALLOC(sizeof(" + struct_name + "), \"" + struct_name + "\");\n")
915 write_c("\tret->datalen = " + consts.get_native_arr_len_call[0] + "elems" + consts.get_native_arr_len_call[1] + ";\n")
916 write_c("\tif (ret->datalen == 0) {\n")
917 write_c("\t\tret->data = NULL;\n")
918 write_c("\t} else {\n")
919 write_c("\t\tret->data = MALLOC(sizeof(" + vec_ty + ") * ret->datalen, \"" + struct_name + " Data\");\n")
920 native_arr_ptr_call = consts.get_native_arr_ptr_call(ty_info.ty_info)
921 write_c("\t\t" + ty_info.c_ty + " *java_elems = " + native_arr_ptr_call[0] + "elems" + native_arr_ptr_call[1] + ";\n")
922 write_c("\t\tfor (size_t i = 0; i < ret->datalen; i++) {\n")
923 if ty_info.arg_conv is not None:
924 write_c("\t\t\t" + ty_info.c_ty + " arr_elem = java_elems[i];\n")
925 write_c("\t\t\t" + ty_info.arg_conv.replace("\n", "\n\t\t\t") + "\n")
926 write_c("\t\t\tret->data[i] = " + ty_info.arg_conv_name + ";\n")
927 assert ty_info.arg_conv_cleanup is None
929 write_c("\t\t\tret->data[i] = java_elems[i];\n")
931 cleanup = consts.release_native_arr_ptr_call(ty_info.ty_info, "elems", "java_elems")
932 if cleanup is not None:
933 write_c("\t\t" + cleanup + ";\n")
935 write_c("\treturn (uint64_t)ret;\n")
938 if ty_info.is_native_primitive:
939 clone_fns.add(struct_name.replace("LDK", "") + "_clone")
940 write_c("static inline " + struct_name + " " + struct_name.replace("LDK", "") + "_clone(const " + struct_name + " *orig) {\n")
941 write_c("\t" + struct_name + " ret = { .data = MALLOC(sizeof(" + ty_info.c_ty + ") * orig->datalen, \"" + struct_name + " clone bytes\"), .datalen = orig->datalen };\n")
942 write_c("\tmemcpy(ret.data, orig->data, sizeof(" + ty_info.c_ty + ") * ret.datalen);\n")
943 write_c("\treturn ret;\n}\n")
944 elif (ty_info.rust_obj.replace("LDK", "") + "_clone") in clone_fns:
945 ty_name = "CVec_" + ty_info.rust_obj.replace("LDK", "") + "Z";
946 clone_fns.add(ty_name + "_clone")
947 write_c("static inline " + struct_name + " " + ty_name + "_clone(const " + struct_name + " *orig) {\n")
948 write_c("\t" + struct_name + " ret = { .data = MALLOC(sizeof(" + ty_info.rust_obj + ") * orig->datalen, \"" + struct_name + " clone bytes\"), .datalen = orig->datalen };\n")
949 write_c("\tfor (size_t i = 0; i < ret.datalen; i++) {\n")
950 write_c("\t\tret.data[i] = " + ty_info.rust_obj.replace("LDK", "") + "_clone(&orig->data[i]);\n")
951 write_c("\t}\n\treturn ret;\n}\n")
953 assert(struct_name.endswith("_Tag"))
954 struct_name = struct_name[:-4]
955 union_enum_items[struct_name] = {"field_lines": field_lines}
956 elif struct_name.endswith("_Body") and struct_name.split("_")[0] in union_enum_items:
957 enum_var_name = struct_name.split("_")
958 union_enum_items[enum_var_name[0]][enum_var_name[1]] = field_lines
959 elif struct_name in union_enum_items:
962 for line, _ in field_lines:
963 if line == " struct {":
967 elif elem_items > -1:
969 if line.startswith("struct "):
971 elif line.startswith("enum "):
973 split = line.split(" ")
974 assert len(split) == 2
975 tuple_variants[split[1].strip(";")] = split[0]
978 # We don't currently support tuple variant with more than one element
980 map_complex_enum(struct_name, union_enum_items[struct_name], tuple_variants, last_block_comment)
981 last_block_comment = None
982 elif is_unitary_enum:
983 map_unitary_enum(struct_name, field_lines, last_block_comment)
984 last_block_comment = None
985 elif len(trait_fn_lines) > 0:
986 map_trait(struct_name, field_var_lines, trait_fn_lines, last_block_comment)
987 elif struct_name == "LDKTxOut":
988 with open(f"{sys.argv[3]}/structs/TxOut{consts.file_ext}", "w") as out_java_struct:
989 out_java_struct.write(consts.hu_struct_file_prefix)
990 out_java_struct.write("public class TxOut extends CommonBase{\n")
991 out_java_struct.write("\tTxOut(java.lang.Object _dummy, long ptr) { super(ptr); }\n")
992 out_java_struct.write("\tlong to_c_ptr() { return 0; }\n")
993 out_java_struct.write("\t@Override @SuppressWarnings(\"deprecation\")\n")
994 out_java_struct.write("\tprotected void finalize() throws Throwable {\n")
995 out_java_struct.write("\t\tsuper.finalize();\n")
996 out_java_struct.write("\t\tif (ptr != 0) { bindings.TxOut_free(ptr); }\n")
997 out_java_struct.write("\t}\n")
999 out_java_struct.write("}")
1001 pass # Everything remaining is a byte[] or some form
1002 cur_block_obj = None
1004 fn_ptr = fn_ptr_regex.match(line)
1005 fn_ret_arr = fn_ret_arr_regex.match(line)
1006 reg_fn = reg_fn_regex.match(line)
1007 const_val = const_val_regex.match(line)
1009 if line.startswith("#include <"):
1011 elif line.startswith("/*"):
1012 if not line.endswith("*/\n"):
1013 block_comment = line.strip(" /*")
1014 elif line.startswith("typedef enum "):
1015 cur_block_obj = line
1016 elif line.startswith("typedef struct "):
1017 cur_block_obj = line
1018 elif line.startswith("typedef union "):
1019 cur_block_obj = line
1020 elif fn_ptr is not None:
1021 map_fn(line, fn_ptr, None, None, last_block_comment)
1022 last_block_comment = None
1023 elif fn_ret_arr is not None:
1024 map_fn(line, fn_ret_arr, fn_ret_arr.group(4), None, last_block_comment)
1025 last_block_comment = None
1026 elif reg_fn is not None:
1027 map_fn(line, reg_fn, None, None, last_block_comment)
1028 last_block_comment = None
1029 elif const_val_regex is not None:
1030 # TODO Map const variables
1033 assert(line == "\n")
1035 out_java.write(consts.bindings_footer)
1036 for struct_name in opaque_structs:
1037 with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "a") as out_java_struct:
1038 out_java_struct.write("}\n")
1039 for struct_name in trait_structs:
1040 with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "a") as out_java_struct:
1041 out_java_struct.write("}\n")
1042 for struct_name in complex_enums:
1043 with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '').replace('COption', 'Option')}{consts.file_ext}", "a") as out_java_struct:
1044 out_java_struct.write("}\n")
1045 for struct_name in result_types:
1046 with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDKCResult', 'Result')}{consts.file_ext}", "a") as out_java_struct:
1047 out_java_struct.write("}\n")
1049 with open(sys.argv[4], "w") as out_c:
1050 out_c.write(consts.c_file_pfx.replace('<git_version_ldk_garbagecollected>', local_git_version))
1051 out_c.write(consts.init_str())
1053 with open(f"{sys.argv[3]}/structs/UtilMethods{consts.file_ext}", "a") as util:
1054 util.write(consts.util_fn_sfx)