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":
18 from java_strings import Consts
19 elif sys.argv[6] == "typescript":
20 import typescript_strings
21 from typescript_strings import Consts
22 target = typescript_strings.Target.NODEJS
23 if len(sys.argv) == 8 and sys.argv[7] == 'browser':
24 target = typescript_strings.Target.BROWSER
26 print("Only java or typescript can be set for lang")
30 consts = Consts(DEBUG, target=target)
32 from bindingstypes import *
39 def camel_to_snake(s):
40 # Convert camel case to snake case, in a way that appears to match cbindgen
46 if lastchar.isupper():
47 if not char.isupper() and not lastund:
52 ret = ret + lastchar.lower()
55 if char.isupper() and not lastund:
63 return (ret + lastchar.lower()).strip("_")
67 opaque_structs = set()
72 var_is_arr_regex = re.compile("\(\*([A-za-z0-9_]*)\)\[([a-z0-9]*)\]")
73 var_ty_regex = re.compile("([A-za-z_0-9]*)(.*)")
74 java_c_types_none_allowed = True # Unset when we do the real pass that populates the above sets
75 def java_c_types(fn_arg, ret_arr_len):
76 fn_arg = fn_arg.strip()
77 if fn_arg.startswith("MUST_USE_RES "):
80 if fn_arg.startswith("const "):
83 if fn_arg.startswith("struct "):
85 if fn_arg.startswith("enum "):
87 fn_arg = fn_arg.replace("NONNULL_PTR", "")
94 if fn_arg.startswith("LDKThirtyTwoBytes"):
95 fn_arg = "uint8_t (*" + fn_arg[18:] + ")[32]"
96 assert var_is_arr_regex.match(fn_arg[8:])
97 rust_obj = "LDKThirtyTwoBytes"
99 elif fn_arg.startswith("LDKPublicKey"):
100 fn_arg = "uint8_t (*" + fn_arg[13:] + ")[33]"
101 assert var_is_arr_regex.match(fn_arg[8:])
102 rust_obj = "LDKPublicKey"
103 arr_access = "compressed_form"
104 elif fn_arg.startswith("LDKSecretKey"):
105 fn_arg = "uint8_t (*" + fn_arg[13:] + ")[32]"
106 assert var_is_arr_regex.match(fn_arg[8:])
107 rust_obj = "LDKSecretKey"
109 elif fn_arg.startswith("LDKSignature"):
110 fn_arg = "uint8_t (*" + fn_arg[13:] + ")[64]"
111 assert var_is_arr_regex.match(fn_arg[8:])
112 rust_obj = "LDKSignature"
113 arr_access = "compact_form"
114 elif fn_arg.startswith("LDKThreeBytes"):
115 fn_arg = "uint8_t (*" + fn_arg[14:] + ")[3]"
116 assert var_is_arr_regex.match(fn_arg[8:])
117 rust_obj = "LDKThreeBytes"
119 elif fn_arg.startswith("LDKFourBytes"):
120 fn_arg = "uint8_t (*" + fn_arg[13:] + ")[4]"
121 assert var_is_arr_regex.match(fn_arg[8:])
122 rust_obj = "LDKFourBytes"
124 elif fn_arg.startswith("LDKSixteenBytes"):
125 fn_arg = "uint8_t (*" + fn_arg[16:] + ")[16]"
126 assert var_is_arr_regex.match(fn_arg[8:])
127 rust_obj = "LDKSixteenBytes"
129 elif fn_arg.startswith("LDKTenBytes"):
130 fn_arg = "uint8_t (*" + fn_arg[12:] + ")[10]"
131 assert var_is_arr_regex.match(fn_arg[8:])
132 rust_obj = "LDKTenBytes"
134 elif fn_arg.startswith("LDKu8slice"):
135 fn_arg = "uint8_t (*" + fn_arg[11:] + ")[datalen]"
136 assert var_is_arr_regex.match(fn_arg[8:])
137 rust_obj = "LDKu8slice"
139 elif fn_arg.startswith("LDKCVec_u8Z"):
140 fn_arg = "uint8_t (*" + fn_arg[12:] + ")[datalen]"
141 rust_obj = "LDKCVec_u8Z"
142 assert var_is_arr_regex.match(fn_arg[8:])
144 elif fn_arg.startswith("LDKTransaction"):
145 fn_arg = "uint8_t (*" + fn_arg[15:] + ")[datalen]"
146 rust_obj = "LDKTransaction"
147 assert var_is_arr_regex.match(fn_arg[8:])
149 elif fn_arg.startswith("LDKCVec_"):
152 fn_arg = fn_arg.replace("*", "")
155 tyn = fn_arg[8:].split(" ")
156 assert tyn[0].endswith("Z")
160 new_arg = "LDK" + tyn[0][:-1]
162 new_arg = new_arg + " " + a
163 res = java_c_types(new_arg, ret_arr_len)
165 assert java_c_types_none_allowed
168 res.pass_by_ref = True
169 if res.is_native_primitive or res.passed_as_ptr:
170 return TypeInfo(rust_obj=fn_arg.split(" ")[0], java_ty=res.java_ty + "[]", java_hu_ty=res.java_hu_ty + "[]",
171 java_fn_ty_arg="[" + res.java_fn_ty_arg, c_ty=res.c_ty + "Array", passed_as_ptr=False, is_ptr=is_ptr, is_const=is_const,
172 var_name=res.var_name, arr_len="datalen", arr_access="data", subty=res, is_native_primitive=False)
174 return TypeInfo(rust_obj=fn_arg.split(" ")[0], java_ty=res.java_ty + "[]", java_hu_ty=res.java_hu_ty + "[]",
175 java_fn_ty_arg="[" + res.java_fn_ty_arg, c_ty=consts.ptr_arr, passed_as_ptr=False, is_ptr=is_ptr, is_const=is_const,
176 var_name=res.var_name, arr_len="datalen", arr_access="data", subty=res, is_native_primitive=False)
181 java_type_plural = None
182 if fn_arg.startswith("void"):
186 fn_arg = fn_arg[4:].strip()
188 elif fn_arg.startswith("bool"):
192 fn_arg = fn_arg[4:].strip()
194 elif fn_arg.startswith("uint8_t"):
195 mapped_type = consts.c_type_map['uint8_t']
196 java_ty = mapped_type[0]
199 fn_arg = fn_arg[7:].strip()
201 elif fn_arg.startswith("uint16_t"):
202 mapped_type = consts.c_type_map['uint16_t']
203 java_ty = mapped_type[0]
206 fn_arg = fn_arg[8:].strip()
208 elif fn_arg.startswith("uint32_t"):
209 mapped_type = consts.c_type_map['uint32_t']
210 java_ty = mapped_type[0]
213 fn_arg = fn_arg[8:].strip()
215 elif fn_arg.startswith("uint64_t") or fn_arg.startswith("uintptr_t"):
216 # TODO: uintptr_t is arch-dependent :(
217 mapped_type = consts.c_type_map['uint64_t']
218 java_ty = mapped_type[0]
221 if fn_arg.startswith("uint64_t"):
222 fn_arg = fn_arg[8:].strip()
224 fn_arg = fn_arg[9:].strip()
226 elif is_const and fn_arg.startswith("char *"):
229 fn_ty_arg = "Ljava/lang/String;"
230 fn_arg = fn_arg[6:].strip()
231 elif fn_arg.startswith("LDKStr"):
234 fn_ty_arg = "Ljava/lang/String;"
235 fn_arg = fn_arg[6:].strip()
239 ma = var_ty_regex.match(fn_arg)
240 if ma.group(1).strip() in unitary_enums:
241 java_ty = ma.group(1).strip()
242 c_ty = consts.result_c_ty
243 fn_ty_arg = "Lorg/ldk/enums/" + ma.group(1).strip() + ";"
244 fn_arg = ma.group(2).strip()
245 rust_obj = ma.group(1).strip()
246 elif ma.group(1).strip().startswith("LDKC2Tuple"):
247 c_ty = consts.ptr_c_ty
248 java_ty = consts.ptr_native_ty
249 java_hu_ty = "TwoTuple<"
250 if not ma.group(1).strip() in tuple_types:
251 assert java_c_types_none_allowed
253 for idx, ty_info in enumerate(tuple_types[ma.group(1).strip()][0]):
255 java_hu_ty = java_hu_ty + ", "
256 if ty_info.is_native_primitive:
257 if ty_info.java_hu_ty == "int":
258 java_hu_ty = java_hu_ty + "Integer" # Java concrete integer type is Integer, not Int
260 java_hu_ty = java_hu_ty + ty_info.java_hu_ty.title() # If we're a primitive, capitalize the first letter
262 java_hu_ty = java_hu_ty + ty_info.java_hu_ty
263 java_hu_ty = java_hu_ty + ">"
265 fn_arg = ma.group(2).strip()
266 rust_obj = ma.group(1).strip()
268 elif ma.group(1).strip().startswith("LDKC3Tuple"):
269 c_ty = consts.ptr_c_ty
270 java_ty = consts.ptr_native_ty
271 java_hu_ty = "ThreeTuple<"
272 if not ma.group(1).strip() in tuple_types:
273 assert java_c_types_none_allowed
275 for idx, ty_info in enumerate(tuple_types[ma.group(1).strip()][0]):
277 java_hu_ty = java_hu_ty + ", "
278 if ty_info.is_native_primitive:
279 if ty_info.java_hu_ty == "int":
280 java_hu_ty = java_hu_ty + "Integer" # Java concrete integer type is Integer, not Int
282 java_hu_ty = java_hu_ty + ty_info.java_hu_ty.title() # If we're a primitive, capitalize the first letter
284 java_hu_ty = java_hu_ty + ty_info.java_hu_ty
285 java_hu_ty = java_hu_ty + ">"
287 fn_arg = ma.group(2).strip()
288 rust_obj = ma.group(1).strip()
291 c_ty = consts.ptr_c_ty
292 java_ty = consts.ptr_native_ty
293 java_hu_ty = ma.group(1).strip().replace("LDKCResult", "Result").replace("LDK", "")
295 fn_arg = ma.group(2).strip()
296 rust_obj = ma.group(1).strip()
299 if fn_arg.startswith(" *") or fn_arg.startswith("*"):
300 fn_arg = fn_arg.replace("*", "").strip()
302 c_ty = consts.ptr_c_ty
303 java_ty = consts.ptr_native_ty
307 var_is_arr = var_is_arr_regex.match(fn_arg)
308 if var_is_arr is not None or ret_arr_len is not None:
309 assert(not take_by_ptr)
311 # is there a special case for plurals?
312 if len(mapped_type) == 2:
313 java_ty = mapped_type[1]
315 java_ty = java_ty + "[]"
316 c_ty = c_ty + "Array"
317 if var_is_arr is not None:
318 if var_is_arr.group(1) == "":
319 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,
320 passed_as_ptr=False, is_ptr=False, var_name="arg", arr_len=var_is_arr.group(2), arr_access=arr_access, is_native_primitive=False)
321 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,
322 passed_as_ptr=False, is_ptr=False, var_name=var_is_arr.group(1), arr_len=var_is_arr.group(2), arr_access=arr_access, is_native_primitive=False)
324 if java_hu_ty is None:
326 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,
327 is_const=is_const, is_ptr=is_ptr, var_name=fn_arg, arr_len=arr_len, arr_access=arr_access, is_native_primitive=is_primitive)
329 fn_ptr_regex = re.compile("^extern const ([A-Za-z_0-9\* ]*) \(\*(.*)\)\((.*)\);$")
330 fn_ret_arr_regex = re.compile("(.*) \(\*(.*)\((.*)\)\)\[([0-9]*)\];$")
331 reg_fn_regex = re.compile("([A-Za-z_0-9\* ]* \*?)([a-zA-Z_0-9]*)\((.*)\);$")
334 c_array_class_caches = set()
337 from gen_type_mapping import TypeMappingGenerator
338 type_mapping_generator = TypeMappingGenerator(java_c_types, consts, c_array_class_caches, opaque_structs, clone_fns, unitary_enums, trait_structs, complex_enums, result_types, tuple_types)
342 with open(sys.argv[1]) as in_h:
344 reg_fn = reg_fn_regex.match(line)
345 if reg_fn is not None:
346 if reg_fn.group(2).endswith("_clone"):
347 clone_fns.add(reg_fn.group(2))
349 rty = java_c_types(reg_fn.group(1), None)
350 if rty is not None and rty.rust_obj is not None and reg_fn.group(2) == rty.java_hu_ty + "_new":
351 constructor_fns[rty.rust_obj] = reg_fn.group(3)
353 arr_fn = fn_ret_arr_regex.match(line)
354 if arr_fn is not None:
355 if arr_fn.group(2).endswith("_clone"):
356 clone_fns.add(arr_fn.group(2))
357 # No object constructors return arrays, as then they wouldn't be an object constructor
360 # Define some manual clones...
361 clone_fns.add("ThirtyTwoBytes_clone")
362 write_c("static inline struct LDKThirtyTwoBytes ThirtyTwoBytes_clone(const struct LDKThirtyTwoBytes *orig) { struct LDKThirtyTwoBytes ret; memcpy(ret.data, orig->data, 32); return ret; }\n")
364 java_c_types_none_allowed = False # C structs created by cbindgen are declared in dependency order
366 with open(sys.argv[1]) as in_h, open(sys.argv[2], "w") as out_java:
367 def map_fn(line, re_match, ret_arr_len, c_call_string):
368 out_java.write("\t// " + line)
369 out_java.write("\tpublic static native ")
370 write_c(consts.c_fn_ty_pfx)
372 is_free = re_match.group(2).endswith("_free")
373 struct_meth = re_match.group(2).split("_")[0]
375 ret_info = type_mapping_generator.map_type(re_match.group(1), True, ret_arr_len, False, False)
376 write_c(ret_info.c_ty)
377 out_java.write(ret_info.java_ty)
379 if ret_info.ret_conv is not None:
380 ret_conv_pfx, ret_conv_sfx = ret_info.ret_conv
382 out_java.write(" " + re_match.group(2) + "(")
383 write_c(" " + consts.c_fn_name_pfx + re_match.group(2).replace('_', '_1') + "(" + consts.c_fn_args_pfx)
386 default_constructor_args = {}
389 for idx, arg in enumerate(re_match.group(3).split(',')):
394 arg_conv_info = type_mapping_generator.map_type(arg, False, None, is_free, True)
395 if arg_conv_info.c_ty != "void":
396 write_c(arg_conv_info.c_ty + " " + arg_conv_info.arg_name)
397 out_java.write(arg_conv_info.java_ty + " " + arg_conv_info.arg_name)
398 if idx == 0 and arg_conv_info.java_hu_ty == struct_meth:
400 if arg_conv_info.arg_conv is not None and "Warning" in arg_conv_info.arg_conv:
401 if arg_conv_info.rust_obj in constructor_fns:
403 for explode_arg in constructor_fns[arg_conv_info.rust_obj].split(','):
404 explode_arg_conv = type_mapping_generator.map_type(explode_arg, False, None, False, True)
405 if explode_arg_conv.c_ty == "void":
406 # We actually want to handle this case, but for now its only used in NetGraphMsgHandler::new()
407 # which ends up resulting in a redundant constructor - both without arguments for the NetworkGraph.
410 if not arg_conv_info.arg_name in default_constructor_args:
411 default_constructor_args[arg_conv_info.arg_name] = []
412 default_constructor_args[arg_conv_info.arg_name].append(explode_arg_conv)
413 arg_names.append(arg_conv_info)
415 out_java_struct = None
416 if ("LDK" + struct_meth in opaque_structs or "LDK" + struct_meth in trait_structs) and not is_free:
417 out_java_struct = open(f"{sys.argv[3]}/structs/{struct_meth}{consts.file_ext}", "a")
419 out_java_struct.write("\t// Skipped " + re_match.group(2) + "\n")
420 out_java_struct.close()
421 out_java_struct = None
423 meth_n = re_match.group(2)[len(struct_meth) + 1:]
425 out_java_struct.write("\tpublic static " + ret_info.java_hu_ty + " constructor_" + meth_n + "(")
427 out_java_struct.write("\tpublic " + ret_info.java_hu_ty + " " + meth_n + "(")
428 for idx, arg in enumerate(arg_names):
430 if not takes_self or idx > 1:
431 out_java_struct.write(", ")
434 if arg.java_ty != "void":
435 if arg.arg_name in default_constructor_args:
436 for explode_idx, explode_arg in enumerate(default_constructor_args[arg.arg_name]):
438 out_java_struct.write(", ")
439 out_java_struct.write(explode_arg.java_hu_ty + " " + arg.arg_name + "_" + explode_arg.arg_name)
441 out_java_struct.write(arg.java_hu_ty + " " + arg.arg_name)
444 out_java.write(");\n")
446 if out_java_struct is not None:
447 out_java_struct.write(") {\n")
449 for info in arg_names:
450 if info.arg_conv is not None:
451 write_c("\t" + info.arg_conv.replace('\n', "\n\t") + "\n")
453 if ret_info.ret_conv is not None:
454 write_c("\t" + ret_conv_pfx.replace('\n', '\n\t'))
455 elif ret_info.c_ty != "void":
456 write_c("\t" + ret_info.c_ty + " ret_val = ")
460 if c_call_string is None:
461 write_c(re_match.group(2) + "(")
463 write_c(c_call_string)
464 for idx, info in enumerate(arg_names):
465 if info.arg_conv_name is not None:
468 elif c_call_string is not None:
470 write_c(info.arg_conv_name)
472 if ret_info.ret_conv is not None:
473 write_c(ret_conv_sfx.replace('\n', '\n\t'))
476 for info in arg_names:
477 if info.arg_conv_cleanup is not None:
478 write_c("\n\t" + info.arg_conv_cleanup.replace("\n", "\n\t"))
479 if ret_info.ret_conv is not None:
480 write_c("\n\treturn " + ret_info.ret_conv_name + ";")
481 elif ret_info.c_ty != "void":
482 write_c("\n\treturn ret_val;")
484 if out_java_struct is not None:
485 out_java_struct.write("\t\t")
486 if ret_info.java_ty != "void":
487 out_java_struct.write(ret_info.java_ty + " ret = ")
488 out_java_struct.write("bindings." + re_match.group(2) + "(")
489 for idx, info in enumerate(arg_names):
491 out_java_struct.write(", ")
492 if idx == 0 and takes_self:
493 out_java_struct.write("this.ptr")
494 elif info.arg_name in default_constructor_args:
495 out_java_struct.write("bindings." + info.java_hu_ty + "_new(")
496 for explode_idx, explode_arg in enumerate(default_constructor_args[info.arg_name]):
498 out_java_struct.write(", ")
499 expl_arg_name = info.arg_name + "_" + explode_arg.arg_name
500 if explode_arg.from_hu_conv is not None:
501 out_java_struct.write(explode_arg.from_hu_conv[0].replace(explode_arg.arg_name, expl_arg_name))
503 out_java_struct.write(expl_arg_name)
504 out_java_struct.write(")")
505 elif info.from_hu_conv is not None:
506 out_java_struct.write(info.from_hu_conv[0])
508 out_java_struct.write(info.arg_name)
509 out_java_struct.write(");\n")
510 if ret_info.to_hu_conv is not None:
512 out_java_struct.write("\t\t" + ret_info.to_hu_conv.replace("\n", "\n\t\t").replace("this", ret_info.to_hu_conv_name) + "\n")
514 out_java_struct.write("\t\t" + ret_info.to_hu_conv.replace("\n", "\n\t\t") + "\n")
516 for idx, info in enumerate(arg_names):
517 if idx == 0 and takes_self:
519 elif info.arg_name in default_constructor_args:
520 for explode_arg in default_constructor_args[info.arg_name]:
521 expl_arg_name = info.arg_name + "_" + explode_arg.arg_name
522 if explode_arg.from_hu_conv is not None and ret_info.to_hu_conv_name:
523 out_java_struct.write("\t\t" + explode_arg.from_hu_conv[1].replace(explode_arg.arg_name, expl_arg_name).replace("this", ret_info.to_hu_conv_name) + ";\n")
524 elif info.from_hu_conv is not None and info.from_hu_conv[1] != "":
525 if not takes_self and ret_info.to_hu_conv_name is not None:
526 out_java_struct.write("\t\t" + info.from_hu_conv[1].replace("this", ret_info.to_hu_conv_name) + ";\n")
528 out_java_struct.write("\t\t" + info.from_hu_conv[1] + ";\n")
530 if ret_info.to_hu_conv_name is not None:
531 out_java_struct.write("\t\treturn " + ret_info.to_hu_conv_name + ";\n")
532 elif ret_info.java_ty != "void" and ret_info.rust_obj != "LDK" + struct_meth:
533 out_java_struct.write("\t\treturn ret;\n")
534 out_java_struct.write("\t}\n\n")
535 out_java_struct.close()
537 def map_unitary_enum(struct_name, field_lines):
538 with open(f"{sys.argv[3]}/enums/{struct_name}{consts.file_ext}", "w") as out_java_enum:
539 unitary_enums.add(struct_name)
540 for idx, struct_line in enumerate(field_lines):
542 assert(struct_line == "typedef enum %s {" % struct_name)
543 elif idx == len(field_lines) - 3:
544 assert(struct_line.endswith("_Sentinel,"))
545 elif idx == len(field_lines) - 2:
546 assert(struct_line == "} %s;" % struct_name)
547 elif idx == len(field_lines) - 1:
548 assert(struct_line == "")
549 (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]])
551 out_java_enum.write(native_file_out)
552 out_java.write(native_out)
554 def map_complex_enum(struct_name, union_enum_items):
555 java_hu_type = struct_name.replace("LDK", "")
556 complex_enums.add(struct_name)
559 tag_field_lines = union_enum_items["field_lines"]
560 for idx, struct_line in enumerate(tag_field_lines):
562 assert(struct_line == "typedef enum %s_Tag {" % struct_name)
563 elif idx == len(tag_field_lines) - 3:
564 assert(struct_line.endswith("_Sentinel,"))
565 elif idx == len(tag_field_lines) - 2:
566 assert(struct_line == "} %s_Tag;" % struct_name)
567 elif idx == len(tag_field_lines) - 1:
568 assert(struct_line == "")
570 variant_name = struct_line.strip(' ,')[len(struct_name) + 1:]
572 if "LDK" + variant_name in union_enum_items:
573 enum_var_lines = union_enum_items["LDK" + variant_name]
574 for idx, field in enumerate(enum_var_lines):
575 if idx != 0 and idx < len(enum_var_lines) - 2:
576 fields.append(type_mapping_generator.map_type(field.strip(' ;'), False, None, False, True))
578 # TODO: Assert line format
581 # TODO: Assert line format
583 enum_variants.append(ComplexEnumVariantInfo(variant_name, fields))
585 with open(f"{sys.argv[3]}/structs/{java_hu_type}{consts.file_ext}", "w") as out_java_enum:
586 (out_java_addendum, out_java_enum_addendum, out_c_addendum) = consts.map_complex_enum(struct_name, enum_variants, camel_to_snake)
588 out_java_enum.write(out_java_enum_addendum)
589 out_java.write(out_java_addendum)
590 write_c(out_c_addendum)
592 def map_trait(struct_name, field_var_lines, trait_fn_lines):
593 with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "w") as out_java_trait:
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)))
599 field_var_convs.append(
600 type_mapping_generator.map_type(var_line.group(1) + " " + var_line.group(2), False, None, False, False))
603 for fn_line in trait_fn_lines:
604 ret_ty_info = type_mapping_generator.map_type(fn_line.group(2), True, None, False, False)
605 is_const = fn_line.group(4) is not None
608 for idx, arg in enumerate(fn_line.group(5).split(',')):
611 arg_conv_info = type_mapping_generator.map_type(arg, True, None, False, False)
612 arg_tys.append(arg_conv_info)
613 field_fns.append(TraitMethInfo(fn_line.group(3), is_const, ret_ty_info, arg_tys))
615 (out_java_addendum, out_java_trait_addendum, out_c_addendum) = consts.native_c_map_trait(struct_name, field_var_convs, field_fns)
616 write_c(out_c_addendum)
617 out_java_trait.write(out_java_trait_addendum)
618 out_java.write(out_java_addendum)
620 for fn_line in trait_fn_lines:
621 # For now, just disable enabling the _call_log - we don't know how to inverse-map String
622 is_log = fn_line.group(3) == "log" and struct_name == "LDKLogger"
623 if fn_line.group(3) != "free" and fn_line.group(3) != "clone" and fn_line.group(3) != "eq" and not is_log:
624 dummy_line = fn_line.group(2) + struct_name.replace("LDK", "") + "_" + fn_line.group(3) + " " + struct_name + "* this_arg" + fn_line.group(5) + "\n"
625 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")
626 for idx, var_line in enumerate(field_var_lines):
627 if var_line.group(1) not in trait_structs:
628 write_c(var_line.group(1) + " " + struct_name + "_set_get_" + var_line.group(2) + "(" + struct_name + "* this_arg) {\n")
629 write_c("\tif (this_arg->set_" + var_line.group(2) + " != NULL)\n")
630 write_c("\t\tthis_arg->set_" + var_line.group(2) + "(this_arg);\n")
631 write_c("\treturn this_arg->" + var_line.group(2) + ";\n")
633 dummy_line = var_line.group(1) + " " + struct_name.replace("LDK", "") + "_get_" + var_line.group(2) + " " + struct_name + "* this_arg" + fn_line.group(5) + "\n"
634 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")
636 def map_result(struct_name, res_ty, err_ty):
637 result_types.add(struct_name)
638 human_ty = struct_name.replace("LDKCResult", "Result")
639 with open(f"{sys.argv[3]}/structs/{human_ty}{consts.file_ext}", "w") as out_java_struct:
640 out_java_struct.write(consts.hu_struct_file_prefix)
641 out_java_struct.write("public class " + human_ty + " extends CommonBase {\n")
642 out_java_struct.write("\tprivate " + human_ty + "(Object _dummy, long ptr) { super(ptr); }\n")
643 out_java_struct.write("\tprotected void finalize() throws Throwable {\n")
644 out_java_struct.write("\t\tif (ptr != 0) { bindings." + struct_name.replace("LDK","") + "_free(ptr); } super.finalize();\n")
645 out_java_struct.write("\t}\n\n")
646 out_java_struct.write("\tstatic " + human_ty + " constr_from_ptr(long ptr) {\n")
647 out_java_struct.write("\t\tif (bindings." + struct_name + "_result_ok(ptr)) {\n")
648 out_java_struct.write("\t\t\treturn new " + human_ty + "_OK(null, ptr);\n")
649 out_java_struct.write("\t\t} else {\n")
650 out_java_struct.write("\t\t\treturn new " + human_ty + "_Err(null, ptr);\n")
651 out_java_struct.write("\t\t}\n")
652 out_java_struct.write("\t}\n")
654 res_map = type_mapping_generator.map_type(res_ty + " res", True, None, False, True)
655 err_map = type_mapping_generator.map_type(err_ty + " err", True, None, False, True)
657 if not res_map.is_native_primitive and (res_map.rust_obj.replace("LDK", "") + "_clone" not in clone_fns):
659 if not err_map.is_native_primitive and (err_map.rust_obj.replace("LDK", "") + "_clone" not in clone_fns):
662 out_java.write("\tpublic static native boolean " + struct_name + "_result_ok(long arg);\n")
663 write_c(consts.c_fn_ty_pfx + "jboolean " + consts.c_fn_name_pfx + struct_name.replace("_", "_1") + "_1result_1ok (" + consts.c_fn_args_pfx + ", " + consts.ptr_c_ty + " arg) {\n")
664 write_c("\treturn ((" + struct_name + "*)arg)->result_ok;\n")
667 out_java.write("\tpublic static native " + res_map.java_ty + " " + struct_name + "_get_ok(long arg);\n")
668 write_c(consts.c_fn_ty_pfx + res_map.c_ty + " " + consts.c_fn_name_pfx + struct_name.replace("_", "_1") + "_1get_1ok (" + consts.c_fn_args_pfx + ", " + consts.ptr_c_ty + " arg) {\n")
669 write_c("\t" + struct_name + " *val = (" + struct_name + "*)arg;\n")
670 write_c("\tCHECK(val->result_ok);\n\t")
671 out_java_struct.write("\tpublic static final class " + human_ty + "_OK extends " + human_ty + " {\n")
672 if res_map.ret_conv is not None:
673 write_c(res_map.ret_conv[0].replace("\n", "\n\t") + "(*val->contents.result)")
674 write_c(res_map.ret_conv[1].replace("\n", "\n\t") + "\n\treturn " + res_map.ret_conv_name)
676 write_c("return *val->contents.result")
679 if res_map.java_hu_ty != "void":
680 out_java_struct.write("\t\tpublic final " + res_map.java_hu_ty + " res;\n")
681 out_java_struct.write("\t\tprivate " + human_ty + "_OK(Object _dummy, long ptr) {\n")
682 out_java_struct.write("\t\t\tsuper(_dummy, ptr);\n")
683 if res_map.java_hu_ty == "void":
685 elif res_map.to_hu_conv is not None:
686 out_java_struct.write("\t\t\t" + res_map.java_ty + " res = bindings." + struct_name + "_get_ok(ptr);\n")
687 out_java_struct.write("\t\t\t" + res_map.to_hu_conv.replace("\n", "\n\t\t\t"))
688 out_java_struct.write("\n\t\t\tthis.res = " + res_map.to_hu_conv_name + ";\n")
690 out_java_struct.write("\t\t\tthis.res = bindings." + struct_name + "_get_ok(ptr);\n")
691 out_java_struct.write("\t\t}\n")
692 if struct_name.startswith("LDKCResult_None"):
693 out_java_struct.write("\t\tpublic " + human_ty + "_OK() {\n\t\t\tthis(null, bindings.C" + human_ty + "_ok());\n")
695 out_java_struct.write("\t\tpublic " + human_ty + "_OK(" + res_map.java_hu_ty + " res) {\n")
696 if res_map.from_hu_conv is not None:
697 out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_ok(" + res_map.from_hu_conv[0] + "));\n")
698 if res_map.from_hu_conv[1] != "":
699 out_java_struct.write("\t\t\t" + res_map.from_hu_conv[1] + ";\n")
701 out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_ok(res));\n")
702 out_java_struct.write("\t\t}\n\t}\n\n")
704 out_java.write("\tpublic static native " + err_map.java_ty + " " + struct_name + "_get_err(long arg);\n")
705 write_c(consts.c_fn_ty_pfx + err_map.c_ty + " " + consts.c_fn_name_pfx + struct_name.replace("_", "_1") + "_1get_1err (" + consts.c_fn_args_pfx + ", " + consts.ptr_c_ty + " arg) {\n")
706 write_c("\t" + struct_name + " *val = (" + struct_name + "*)arg;\n")
707 write_c("\tCHECK(!val->result_ok);\n\t")
708 out_java_struct.write("\tpublic static final class " + human_ty + "_Err extends " + human_ty + " {\n")
709 if err_map.ret_conv is not None:
710 write_c(err_map.ret_conv[0].replace("\n", "\n\t") + "(*val->contents.err)")
711 write_c(err_map.ret_conv[1].replace("\n", "\n\t") + "\n\treturn " + err_map.ret_conv_name)
713 write_c("return *val->contents.err")
716 if err_map.java_hu_ty != "void":
717 out_java_struct.write("\t\tpublic final " + err_map.java_hu_ty + " err;\n")
718 out_java_struct.write("\t\tprivate " + human_ty + "_Err(Object _dummy, long ptr) {\n")
719 out_java_struct.write("\t\t\tsuper(_dummy, ptr);\n")
720 if err_map.java_hu_ty == "void":
722 elif err_map.to_hu_conv is not None:
723 out_java_struct.write("\t\t\t" + err_map.java_ty + " err = bindings." + struct_name + "_get_err(ptr);\n")
724 out_java_struct.write("\t\t\t" + err_map.to_hu_conv.replace("\n", "\n\t\t\t"))
725 out_java_struct.write("\n\t\t\tthis.err = " + err_map.to_hu_conv_name + ";\n")
727 out_java_struct.write("\t\t\tthis.err = bindings." + struct_name + "_get_err(ptr);\n")
728 out_java_struct.write("\t\t}\n")
730 if struct_name.endswith("NoneZ"):
731 out_java_struct.write("\t\tpublic " + human_ty + "_Err() {\n\t\t\tthis(null, bindings.C" + human_ty + "_err());\n")
733 out_java_struct.write("\t\tpublic " + human_ty + "_Err(" + err_map.java_hu_ty + " err) {\n")
734 if err_map.from_hu_conv is not None:
735 out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_err(" + err_map.from_hu_conv[0] + "));\n")
736 if err_map.from_hu_conv[1] != "":
737 out_java_struct.write("\t\t\t" + err_map.from_hu_conv[1] + ";\n")
739 out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_err(err));\n")
740 out_java_struct.write("\t\t}\n\t}\n}\n")
743 clone_fns.add(struct_name.replace("LDK", "") + "_clone")
744 write_c("static inline " + struct_name + " " + struct_name.replace("LDK", "") + "_clone(const " + struct_name + " *orig) {\n")
745 write_c("\t" + struct_name + " res = { .result_ok = orig->result_ok };\n")
746 write_c("\tif (orig->result_ok) {\n")
747 if res_map.c_ty == "void":
748 write_c("\t\tres.contents.result = NULL;\n")
750 if res_map.is_native_primitive:
751 write_c("\t\t" + res_map.c_ty + "* contents = MALLOC(sizeof(" + res_map.c_ty + "), \"" + res_map.c_ty + " result OK clone\");\n")
752 write_c("\t\t*contents = *orig->contents.result;\n")
754 write_c("\t\t" + res_map.rust_obj + "* contents = MALLOC(sizeof(" + res_map.rust_obj + "), \"" + res_map.rust_obj + " result OK clone\");\n")
755 write_c("\t\t*contents = " + res_map.rust_obj.replace("LDK", "") + "_clone(orig->contents.result);\n")
756 write_c("\t\tres.contents.result = contents;\n")
757 write_c("\t} else {\n")
758 if err_map.c_ty == "void":
759 write_c("\t\tres.contents.err = NULL;\n")
761 if err_map.is_native_primitive:
762 write_c("\t\t" + err_map.c_ty + "* contents = MALLOC(sizeof(" + err_map.c_ty + "), \"" + err_map.c_ty + " result Err clone\");\n")
763 write_c("\t\t*contents = *orig->contents.err;\n")
765 write_c("\t\t" + err_map.rust_obj + "* contents = MALLOC(sizeof(" + err_map.rust_obj + "), \"" + err_map.rust_obj + " result Err clone\");\n")
766 write_c("\t\t*contents = " + err_map.rust_obj.replace("LDK", "") + "_clone(orig->contents.err);\n")
767 write_c("\t\tres.contents.err = contents;\n")
768 write_c("\t}\n\treturn res;\n}\n")
770 def map_tuple(struct_name, field_lines):
771 out_java.write("\tpublic static native long " + struct_name + "_new(")
772 write_c(consts.c_fn_ty_pfx + consts.ptr_c_ty + " " + consts.c_fn_name_pfx + struct_name.replace("_", "_1") + "_1new(" + consts.c_fn_args_pfx)
774 for idx, line in enumerate(field_lines):
775 if idx != 0 and idx < len(field_lines) - 2:
776 ty_info = java_c_types(line.strip(';'), None)
779 e = chr(ord('a') + idx - 1)
780 out_java.write(ty_info.java_ty + " " + e)
781 write_c(", " + ty_info.c_ty + " " + e)
782 ty_list.append(ty_info)
783 tuple_types[struct_name] = (ty_list, struct_name)
784 out_java.write(");\n")
786 write_c("\t" + struct_name + "* ret = MALLOC(sizeof(" + struct_name + "), \"" + struct_name + "\");\n")
788 clone_str = "static inline " + struct_name + " " + struct_name.replace("LDK", "") + "_clone(const " + struct_name + " *orig) {\n"
789 clone_str = clone_str + "\t" + struct_name + " ret = {\n"
790 for idx, line in enumerate(field_lines):
791 if idx != 0 and idx < len(field_lines) - 2:
792 ty_info = type_mapping_generator.map_type(line.strip(';'), False, None, False, False)
793 e = chr(ord('a') + idx - 1)
794 if ty_info.arg_conv is not None:
795 write_c("\t" + ty_info.arg_conv.replace("\n", "\n\t"))
796 write_c("\n\tret->" + e + " = " + ty_info.arg_conv_name + ";\n")
798 write_c("\tret->" + e + " = " + e + ";\n")
799 if ty_info.arg_conv_cleanup is not None:
800 write_c("\t//TODO: Really need to call " + ty_info.arg_conv_cleanup + " here\n")
801 if not ty_info.is_native_primitive and (ty_info.rust_obj.replace("LDK", "") + "_clone") not in clone_fns:
803 elif can_clone and ty_info.is_native_primitive:
804 clone_str = clone_str + "\t\t." + chr(ord('a') + idx - 1) + " = orig->" + chr(ord('a') + idx - 1) + ",\n"
806 clone_str = clone_str + "\t\t." + chr(ord('a') + idx - 1) + " = " + ty_info.rust_obj.replace("LDK", "") + "_clone(&orig->" + chr(ord('a') + idx - 1) + "),\n"
807 write_c("\treturn (long)ret;\n")
811 clone_fns.add(struct_name.replace("LDK", "") + "_clone")
813 write_c("\t};\n\treturn ret;\n}\n")
815 for idx, ty_info in enumerate(ty_list):
816 e = chr(ord('a') + idx)
817 out_java.write("\tpublic static native " + ty_info.java_ty + " " + struct_name + "_get_" + e + "(long ptr);\n")
818 write_c(consts.c_fn_ty_pfx + ty_info.c_ty + " " + consts.c_fn_name_pfx + struct_name.replace("_", "_1") + "_1get_1" + e + "(" + consts.c_fn_args_pfx + ", " + consts.ptr_c_ty + " ptr) {\n")
819 write_c("\t" + struct_name + " *tuple = (" + struct_name + "*)ptr;\n")
820 conv_info = type_mapping_generator.map_type_with_info(ty_info, False, None, False, True)
821 if conv_info.ret_conv is not None:
822 write_c("\t" + conv_info.ret_conv[0].replace("\n", "\n\t") + "tuple->" + e + conv_info.ret_conv[1].replace("\n", "\n\t") + "\n")
823 write_c("\treturn " + conv_info.ret_conv_name + ";\n")
825 write_c("\treturn tuple->" + e + ";\n")
828 out_java.write(consts.bindings_header)
830 with open(f"{sys.argv[3]}/structs/CommonBase{consts.file_ext}", "w") as out_java_struct:
831 out_java_struct.write(consts.common_base)
833 in_block_comment = False
836 const_val_regex = re.compile("^extern const ([A-Za-z_0-9]*) ([A-Za-z_0-9]*);$")
838 line_indicates_result_regex = re.compile("^ union (LDKCResult_[A-Za-z_0-9]*Ptr) contents;$")
839 line_indicates_vec_regex = re.compile("^ (struct |enum |union )?([A-Za-z_0-9]*) \*data;$")
840 line_indicates_opaque_regex = re.compile("^ bool is_owned;$")
841 line_indicates_trait_regex = re.compile("^ (struct |enum |union )?([A-Za-z_0-9]* \*?)\(\*([A-Za-z_0-9]*)\)\((const )?void \*this_arg(.*)\);$")
842 assert(line_indicates_trait_regex.match(" uintptr_t (*send_data)(void *this_arg, LDKu8slice data, bool resume_read);"))
843 assert(line_indicates_trait_regex.match(" struct LDKCVec_MessageSendEventZ (*get_and_clear_pending_msg_events)(const void *this_arg);"))
844 assert(line_indicates_trait_regex.match(" void *(*clone)(const void *this_arg);"))
845 assert(line_indicates_trait_regex.match(" struct LDKCVec_u8Z (*write)(const void *this_arg);"))
846 line_field_var_regex = re.compile("^ struct ([A-Za-z_0-9]*) ([A-Za-z_0-9]*);$")
847 assert(line_field_var_regex.match(" struct LDKMessageSendEventsProvider MessageSendEventsProvider;"))
848 assert(line_field_var_regex.match(" struct LDKChannelPublicKeys pubkeys;"))
849 struct_name_regex = re.compile("^typedef (struct|enum|union) (MUST_USE_STRUCT )?(LDK[A-Za-z_0-9]*) {$")
850 assert(struct_name_regex.match("typedef struct LDKCVec_u8Z {"))
851 assert(struct_name_regex.match("typedef enum LDKNetwork {"))
853 union_enum_items = {}
854 result_ptr_struct_items = {}
857 if line.endswith("*/\n"):
858 in_block_comment = False
859 elif cur_block_obj is not None:
860 cur_block_obj = cur_block_obj + line
861 if line.startswith("} "):
865 obj_lines = cur_block_obj.split("\n")
867 result_contents = None
868 is_unitary_enum = False
869 is_union_enum = False
875 for idx, struct_line in enumerate(obj_lines):
876 if struct_line.strip().startswith("/*"):
877 in_block_comment = True
879 if struct_line.endswith("*/"):
880 in_block_comment = False
882 struct_name_match = struct_name_regex.match(struct_line)
883 if struct_name_match is not None:
884 struct_name = struct_name_match.group(3)
885 if struct_name_match.group(1) == "enum":
886 if not struct_name.endswith("_Tag"):
887 is_unitary_enum = True
890 elif struct_name_match.group(1) == "union":
892 if line_indicates_opaque_regex.match(struct_line):
894 result_match = line_indicates_result_regex.match(struct_line)
895 if result_match is not None:
896 result_contents = result_match.group(1)
897 vec_ty_match = line_indicates_vec_regex.match(struct_line)
898 if vec_ty_match is not None and struct_name.startswith("LDKCVec_"):
899 vec_ty = vec_ty_match.group(2)
900 elif struct_name.startswith("LDKC2Tuple_") or struct_name.startswith("LDKC3Tuple_"):
902 trait_fn_match = line_indicates_trait_regex.match(struct_line)
903 if trait_fn_match is not None:
904 trait_fn_lines.append(trait_fn_match)
905 field_var_match = line_field_var_regex.match(struct_line)
906 if field_var_match is not None:
907 field_var_lines.append(field_var_match)
908 field_lines.append(struct_line)
910 assert(struct_name is not None)
911 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))
912 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))
913 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))
914 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))
915 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))
916 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))
917 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))
920 opaque_structs.add(struct_name)
921 with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "w") as out_java_struct:
922 out_opaque_struct_human = consts.map_opaque_struct(struct_name)
923 out_java_struct.write(out_opaque_struct_human)
924 elif result_contents is not None:
925 assert result_contents in result_ptr_struct_items
926 res_ty, err_ty = result_ptr_struct_items[result_contents]
927 map_result(struct_name, res_ty, err_ty)
928 elif struct_name.startswith("LDKCResult_") and struct_name.endswith("ZPtr"):
929 for line in field_lines:
930 if line.endswith("*result;"):
931 res_ty = line[:-8].strip()
932 elif line.endswith("*err;"):
933 err_ty = line[:-5].strip()
934 result_ptr_struct_items[struct_name] = (res_ty, err_ty)
935 result_types.add(struct_name[:-3])
937 map_tuple(struct_name, field_lines)
938 elif vec_ty is not None:
939 ty_info = type_mapping_generator.map_type(vec_ty + " arr_elem", False, None, False, False)
940 if len(ty_info.java_fn_ty_arg) == 1: # ie we're a primitive of some form
941 out_java.write("\tpublic static native long " + struct_name + "_new(" + ty_info.java_ty + "[] elems);\n")
942 write_c(consts.c_fn_ty_pfx + consts.ptr_c_ty + " " + consts.c_fn_name_pfx + struct_name.replace("_", "_1") + "_1new(" + consts.c_fn_args_pfx + ", " + ty_info.c_ty + "Array elems) {\n")
943 write_c("\t" + struct_name + " *ret = MALLOC(sizeof(" + struct_name + "), \"" + struct_name + "\");\n")
944 write_c("\tret->datalen = " + consts.get_native_arr_len_call[0] + "elems" + consts.get_native_arr_len_call[1] + ";\n")
945 write_c("\tif (ret->datalen == 0) {\n")
946 write_c("\t\tret->data = NULL;\n")
947 write_c("\t} else {\n")
948 write_c("\t\tret->data = MALLOC(sizeof(" + vec_ty + ") * ret->datalen, \"" + struct_name + " Data\");\n")
949 write_c("\t\t" + ty_info.c_ty + " *java_elems = " + consts.get_native_arr_ptr_call[0] + "elems" + consts.get_native_arr_ptr_call[1] + ";\n")
950 write_c("\t\tfor (size_t i = 0; i < ret->datalen; i++) {\n")
951 if ty_info.arg_conv is not None:
952 write_c("\t\t\t" + ty_info.c_ty + " arr_elem = java_elems[i];\n")
953 write_c("\t\t\t" + ty_info.arg_conv.replace("\n", "\n\t\t\t") + "\n")
954 write_c("\t\t\tret->data[i] = " + ty_info.arg_conv_name + ";\n")
955 assert ty_info.arg_conv_cleanup is None
957 write_c("\t\t\tret->data[i] = java_elems[i];\n")
959 cleanup = consts.release_native_arr_ptr_call("elems", "java_elems")
960 if cleanup is not None:
961 write_c("\t\t" + cleanup + ";\n")
963 write_c("\treturn (long)ret;\n")
966 if ty_info.is_native_primitive:
967 clone_fns.add(struct_name.replace("LDK", "") + "_clone")
968 write_c("static inline " + struct_name + " " + struct_name.replace("LDK", "") + "_clone(const " + struct_name + " *orig) {\n")
969 write_c("\t" + struct_name + " ret = { .data = MALLOC(sizeof(" + ty_info.c_ty + ") * orig->datalen, \"" + struct_name + " clone bytes\"), .datalen = orig->datalen };\n")
970 write_c("\tmemcpy(ret.data, orig->data, sizeof(" + ty_info.c_ty + ") * ret.datalen);\n")
971 write_c("\treturn ret;\n}\n")
972 elif (ty_info.rust_obj.replace("LDK", "") + "_clone") in clone_fns:
973 ty_name = "CVec_" + ty_info.rust_obj.replace("LDK", "") + "Z";
974 clone_fns.add(ty_name + "_clone")
975 write_c("static inline " + struct_name + " " + ty_name + "_clone(const " + struct_name + " *orig) {\n")
976 write_c("\t" + struct_name + " ret = { .data = MALLOC(sizeof(" + ty_info.rust_obj + ") * orig->datalen, \"" + struct_name + " clone bytes\"), .datalen = orig->datalen };\n")
977 write_c("\tfor (size_t i = 0; i < ret.datalen; i++) {\n")
978 write_c("\t\tret.data[i] = " + ty_info.rust_obj.replace("LDK", "") + "_clone(&orig->data[i]);\n")
979 write_c("\t}\n\treturn ret;\n}\n")
981 assert(struct_name.endswith("_Tag"))
982 struct_name = struct_name[:-4]
983 union_enum_items[struct_name] = {"field_lines": field_lines}
984 elif struct_name.endswith("_Body") and struct_name.split("_")[0] in union_enum_items:
985 enum_var_name = struct_name.split("_")
986 union_enum_items[enum_var_name[0]][enum_var_name[1]] = field_lines
987 elif struct_name in union_enum_items:
988 map_complex_enum(struct_name, union_enum_items[struct_name])
989 elif is_unitary_enum:
990 map_unitary_enum(struct_name, field_lines)
991 elif len(trait_fn_lines) > 0:
992 trait_structs.add(struct_name)
993 map_trait(struct_name, field_var_lines, trait_fn_lines)
994 elif struct_name == "LDKTxOut":
995 with open(f"{sys.argv[3]}/structs/TxOut{consts.file_ext}", "w") as out_java_struct:
996 out_java_struct.write(consts.hu_struct_file_prefix)
997 out_java_struct.write("public class TxOut extends CommonBase{\n")
998 out_java_struct.write("\tTxOut(java.lang.Object _dummy, long ptr) { super(ptr); }\n")
999 out_java_struct.write("\tlong to_c_ptr() { return 0; }\n")
1000 out_java_struct.write("\t@Override @SuppressWarnings(\"deprecation\")\n")
1001 out_java_struct.write("\tprotected void finalize() throws Throwable {\n")
1002 out_java_struct.write("\t\tsuper.finalize();\n")
1003 out_java_struct.write("\t\tif (ptr != 0) { bindings.TxOut_free(ptr); }\n")
1004 out_java_struct.write("\t}\n")
1006 out_java_struct.write("}")
1008 pass # Everything remaining is a byte[] or some form
1009 cur_block_obj = None
1011 fn_ptr = fn_ptr_regex.match(line)
1012 fn_ret_arr = fn_ret_arr_regex.match(line)
1013 reg_fn = reg_fn_regex.match(line)
1014 const_val = const_val_regex.match(line)
1016 if line.startswith("#include <"):
1018 elif line.startswith("/*"):
1019 #out_java.write("\t" + line)
1020 if not line.endswith("*/\n"):
1021 in_block_comment = True
1022 elif line.startswith("typedef enum "):
1023 cur_block_obj = line
1024 elif line.startswith("typedef struct "):
1025 cur_block_obj = line
1026 elif line.startswith("typedef union "):
1027 cur_block_obj = line
1028 elif fn_ptr is not None:
1029 map_fn(line, fn_ptr, None, None)
1030 elif fn_ret_arr is not None:
1031 map_fn(line, fn_ret_arr, fn_ret_arr.group(4), None)
1032 elif reg_fn is not None:
1033 map_fn(line, reg_fn, None, None)
1034 elif const_val_regex is not None:
1035 # TODO Map const variables
1038 assert(line == "\n")
1040 out_java.write("}\n")
1041 for struct_name in opaque_structs:
1042 with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "a") as out_java_struct:
1043 out_java_struct.write("}\n")
1044 for struct_name in trait_structs:
1045 with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "a") as out_java_struct:
1046 out_java_struct.write("}\n")
1047 with open(sys.argv[4], "w") as out_c:
1048 out_c.write(consts.c_file_pfx)
1049 out_c.write(consts.init_str(c_array_class_caches))