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]
220 if fn_arg.startswith("uint64_t"):
222 fn_arg = fn_arg[8:].strip()
225 fn_arg = fn_arg[9:].strip()
227 elif is_const and fn_arg.startswith("char *"):
230 fn_ty_arg = "Ljava/lang/String;"
231 fn_arg = fn_arg[6:].strip()
232 elif fn_arg.startswith("LDKStr"):
235 fn_ty_arg = "Ljava/lang/String;"
236 fn_arg = fn_arg[6:].strip()
240 ma = var_ty_regex.match(fn_arg)
241 if ma.group(1).strip() in unitary_enums:
242 java_ty = ma.group(1).strip()
243 c_ty = consts.result_c_ty
244 fn_ty_arg = "Lorg/ldk/enums/" + ma.group(1).strip() + ";"
245 fn_arg = ma.group(2).strip()
246 rust_obj = ma.group(1).strip()
247 elif ma.group(1).strip().startswith("LDKC2Tuple"):
248 c_ty = consts.ptr_c_ty
249 java_ty = consts.ptr_native_ty
250 java_hu_ty = "TwoTuple<"
251 if not ma.group(1).strip() in tuple_types:
252 assert java_c_types_none_allowed
254 for idx, ty_info in enumerate(tuple_types[ma.group(1).strip()][0]):
256 java_hu_ty = java_hu_ty + ", "
257 if ty_info.is_native_primitive:
258 if ty_info.java_hu_ty == "int":
259 java_hu_ty = java_hu_ty + "Integer" # Java concrete integer type is Integer, not Int
261 java_hu_ty = java_hu_ty + ty_info.java_hu_ty.title() # If we're a primitive, capitalize the first letter
263 java_hu_ty = java_hu_ty + ty_info.java_hu_ty
264 java_hu_ty = java_hu_ty + ">"
266 fn_arg = ma.group(2).strip()
267 rust_obj = ma.group(1).strip()
269 elif ma.group(1).strip().startswith("LDKC3Tuple"):
270 c_ty = consts.ptr_c_ty
271 java_ty = consts.ptr_native_ty
272 java_hu_ty = "ThreeTuple<"
273 if not ma.group(1).strip() in tuple_types:
274 assert java_c_types_none_allowed
276 for idx, ty_info in enumerate(tuple_types[ma.group(1).strip()][0]):
278 java_hu_ty = java_hu_ty + ", "
279 if ty_info.is_native_primitive:
280 if ty_info.java_hu_ty == "int":
281 java_hu_ty = java_hu_ty + "Integer" # Java concrete integer type is Integer, not Int
283 java_hu_ty = java_hu_ty + ty_info.java_hu_ty.title() # If we're a primitive, capitalize the first letter
285 java_hu_ty = java_hu_ty + ty_info.java_hu_ty
286 java_hu_ty = java_hu_ty + ">"
288 fn_arg = ma.group(2).strip()
289 rust_obj = ma.group(1).strip()
292 c_ty = consts.ptr_c_ty
293 java_ty = consts.ptr_native_ty
294 java_hu_ty = ma.group(1).strip().replace("LDKCResult", "Result").replace("LDK", "")
296 fn_arg = ma.group(2).strip()
297 rust_obj = ma.group(1).strip()
300 if fn_arg.startswith(" *") or fn_arg.startswith("*"):
301 fn_arg = fn_arg.replace("*", "").strip()
303 c_ty = consts.ptr_c_ty
304 java_ty = consts.ptr_native_ty
308 var_is_arr = var_is_arr_regex.match(fn_arg)
309 if var_is_arr is not None or ret_arr_len is not None:
310 assert(not take_by_ptr)
312 # is there a special case for plurals?
313 if len(mapped_type) == 2:
314 java_ty = mapped_type[1]
316 java_ty = java_ty + "[]"
317 c_ty = c_ty + "Array"
318 if var_is_arr is not None:
319 if var_is_arr.group(1) == "":
320 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,
321 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)
322 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,
323 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)
325 if java_hu_ty is None:
327 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,
328 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)
330 fn_ptr_regex = re.compile("^extern const ([A-Za-z_0-9\* ]*) \(\*(.*)\)\((.*)\);$")
331 fn_ret_arr_regex = re.compile("(.*) \(\*(.*)\((.*)\)\)\[([0-9]*)\];$")
332 reg_fn_regex = re.compile("([A-Za-z_0-9\* ]* \*?)([a-zA-Z_0-9]*)\((.*)\);$")
335 c_array_class_caches = set()
338 from gen_type_mapping import TypeMappingGenerator
339 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)
343 with open(sys.argv[1]) as in_h:
345 reg_fn = reg_fn_regex.match(line)
346 if reg_fn is not None:
347 if reg_fn.group(2).endswith("_clone"):
348 clone_fns.add(reg_fn.group(2))
350 rty = java_c_types(reg_fn.group(1), None)
351 if rty is not None and rty.rust_obj is not None and reg_fn.group(2) == rty.java_hu_ty + "_new":
352 constructor_fns[rty.rust_obj] = reg_fn.group(3)
354 arr_fn = fn_ret_arr_regex.match(line)
355 if arr_fn is not None:
356 if arr_fn.group(2).endswith("_clone"):
357 clone_fns.add(arr_fn.group(2))
358 # No object constructors return arrays, as then they wouldn't be an object constructor
361 # Define some manual clones...
362 clone_fns.add("ThirtyTwoBytes_clone")
363 write_c("static inline struct LDKThirtyTwoBytes ThirtyTwoBytes_clone(const struct LDKThirtyTwoBytes *orig) { struct LDKThirtyTwoBytes ret; memcpy(ret.data, orig->data, 32); return ret; }\n")
365 java_c_types_none_allowed = False # C structs created by cbindgen are declared in dependency order
367 with open(sys.argv[1]) as in_h, open(sys.argv[2], "w") as out_java:
368 def map_fn(line, re_match, ret_arr_len, c_call_string):
369 out_java.write("\t// " + line)
370 out_java.write("\tpublic static native ")
371 write_c(consts.c_fn_ty_pfx)
373 is_free = re_match.group(2).endswith("_free")
374 struct_meth = re_match.group(2).split("_")[0]
376 ret_info = type_mapping_generator.map_type(re_match.group(1), True, ret_arr_len, False, False)
377 write_c(ret_info.c_ty)
378 out_java.write(ret_info.java_ty)
380 if ret_info.ret_conv is not None:
381 ret_conv_pfx, ret_conv_sfx = ret_info.ret_conv
383 out_java.write(" " + re_match.group(2) + "(")
384 write_c(" " + consts.c_fn_name_pfx + re_match.group(2).replace('_', '_1') + "(" + consts.c_fn_args_pfx)
387 default_constructor_args = {}
390 for idx, arg in enumerate(re_match.group(3).split(',')):
395 arg_conv_info = type_mapping_generator.map_type(arg, False, None, is_free, True)
396 if arg_conv_info.c_ty != "void":
397 write_c(arg_conv_info.c_ty + " " + arg_conv_info.arg_name)
398 out_java.write(arg_conv_info.java_ty + " " + arg_conv_info.arg_name)
399 if idx == 0 and arg_conv_info.java_hu_ty == struct_meth:
401 if arg_conv_info.arg_conv is not None and "Warning" in arg_conv_info.arg_conv:
402 if arg_conv_info.rust_obj in constructor_fns:
404 for explode_arg in constructor_fns[arg_conv_info.rust_obj].split(','):
405 explode_arg_conv = type_mapping_generator.map_type(explode_arg, False, None, False, True)
406 if explode_arg_conv.c_ty == "void":
407 # We actually want to handle this case, but for now its only used in NetGraphMsgHandler::new()
408 # which ends up resulting in a redundant constructor - both without arguments for the NetworkGraph.
411 if not arg_conv_info.arg_name in default_constructor_args:
412 default_constructor_args[arg_conv_info.arg_name] = []
413 default_constructor_args[arg_conv_info.arg_name].append(explode_arg_conv)
414 arg_names.append(arg_conv_info)
416 out_java_struct = None
417 if ("LDK" + struct_meth in opaque_structs or "LDK" + struct_meth in trait_structs) and not is_free:
418 out_java_struct = open(f"{sys.argv[3]}/structs/{struct_meth}{consts.file_ext}", "a")
420 out_java_struct.write("\t// Skipped " + re_match.group(2) + "\n")
421 out_java_struct.close()
422 out_java_struct = None
424 meth_n = re_match.group(2)[len(struct_meth) + 1:]
426 out_java_struct.write("\tpublic static " + ret_info.java_hu_ty + " constructor_" + meth_n + "(")
428 out_java_struct.write("\tpublic " + ret_info.java_hu_ty + " " + meth_n + "(")
429 for idx, arg in enumerate(arg_names):
431 if not takes_self or idx > 1:
432 out_java_struct.write(", ")
435 if arg.java_ty != "void":
436 if arg.arg_name in default_constructor_args:
437 for explode_idx, explode_arg in enumerate(default_constructor_args[arg.arg_name]):
439 out_java_struct.write(", ")
440 out_java_struct.write(explode_arg.java_hu_ty + " " + arg.arg_name + "_" + explode_arg.arg_name)
442 out_java_struct.write(arg.java_hu_ty + " " + arg.arg_name)
445 out_java.write(");\n")
447 if out_java_struct is not None:
448 out_java_struct.write(") {\n")
450 for info in arg_names:
451 if info.arg_conv is not None:
452 write_c("\t" + info.arg_conv.replace('\n', "\n\t") + "\n")
454 if ret_info.ret_conv is not None:
455 write_c("\t" + ret_conv_pfx.replace('\n', '\n\t'))
456 elif ret_info.c_ty != "void":
457 write_c("\t" + ret_info.c_ty + " ret_val = ")
461 if c_call_string is None:
462 write_c(re_match.group(2) + "(")
464 write_c(c_call_string)
465 for idx, info in enumerate(arg_names):
466 if info.arg_conv_name is not None:
469 elif c_call_string is not None:
471 write_c(info.arg_conv_name)
473 if ret_info.ret_conv is not None:
474 write_c(ret_conv_sfx.replace('\n', '\n\t'))
477 for info in arg_names:
478 if info.arg_conv_cleanup is not None:
479 write_c("\n\t" + info.arg_conv_cleanup.replace("\n", "\n\t"))
480 if ret_info.ret_conv is not None:
481 write_c("\n\treturn " + ret_info.ret_conv_name + ";")
482 elif ret_info.c_ty != "void":
483 write_c("\n\treturn ret_val;")
485 if out_java_struct is not None:
486 out_java_struct.write("\t\t")
487 if ret_info.java_ty != "void":
488 out_java_struct.write(ret_info.java_ty + " ret = ")
489 out_java_struct.write("bindings." + re_match.group(2) + "(")
490 for idx, info in enumerate(arg_names):
492 out_java_struct.write(", ")
493 if idx == 0 and takes_self:
494 out_java_struct.write("this.ptr")
495 elif info.arg_name in default_constructor_args:
496 out_java_struct.write("bindings." + info.java_hu_ty + "_new(")
497 for explode_idx, explode_arg in enumerate(default_constructor_args[info.arg_name]):
499 out_java_struct.write(", ")
500 expl_arg_name = info.arg_name + "_" + explode_arg.arg_name
501 if explode_arg.from_hu_conv is not None:
502 out_java_struct.write(explode_arg.from_hu_conv[0].replace(explode_arg.arg_name, expl_arg_name))
504 out_java_struct.write(expl_arg_name)
505 out_java_struct.write(")")
506 elif info.from_hu_conv is not None:
507 out_java_struct.write(info.from_hu_conv[0])
509 out_java_struct.write(info.arg_name)
510 out_java_struct.write(");\n")
511 if ret_info.to_hu_conv is not None:
513 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")
515 out_java_struct.write("\t\t" + ret_info.to_hu_conv.replace("\n", "\n\t\t") + "\n")
517 for idx, info in enumerate(arg_names):
518 if idx == 0 and takes_self:
520 elif info.arg_name in default_constructor_args:
521 for explode_arg in default_constructor_args[info.arg_name]:
522 expl_arg_name = info.arg_name + "_" + explode_arg.arg_name
523 if explode_arg.from_hu_conv is not None and ret_info.to_hu_conv_name:
524 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")
525 elif info.from_hu_conv is not None and info.from_hu_conv[1] != "":
526 if not takes_self and ret_info.to_hu_conv_name is not None:
527 out_java_struct.write("\t\t" + info.from_hu_conv[1].replace("this", ret_info.to_hu_conv_name) + ";\n")
529 out_java_struct.write("\t\t" + info.from_hu_conv[1] + ";\n")
531 if ret_info.to_hu_conv_name is not None:
532 out_java_struct.write("\t\treturn " + ret_info.to_hu_conv_name + ";\n")
533 elif ret_info.java_ty != "void" and ret_info.rust_obj != "LDK" + struct_meth:
534 out_java_struct.write("\t\treturn ret;\n")
535 out_java_struct.write("\t}\n\n")
536 out_java_struct.close()
538 def map_unitary_enum(struct_name, field_lines):
539 with open(f"{sys.argv[3]}/enums/{struct_name}{consts.file_ext}", "w") as out_java_enum:
540 unitary_enums.add(struct_name)
541 for idx, struct_line in enumerate(field_lines):
543 assert(struct_line == "typedef enum %s {" % struct_name)
544 elif idx == len(field_lines) - 3:
545 assert(struct_line.endswith("_Sentinel,"))
546 elif idx == len(field_lines) - 2:
547 assert(struct_line == "} %s;" % struct_name)
548 elif idx == len(field_lines) - 1:
549 assert(struct_line == "")
550 (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]])
552 out_java_enum.write(native_file_out)
553 out_java.write(native_out)
555 def map_complex_enum(struct_name, union_enum_items):
556 java_hu_type = struct_name.replace("LDK", "")
557 complex_enums.add(struct_name)
560 tag_field_lines = union_enum_items["field_lines"]
561 for idx, struct_line in enumerate(tag_field_lines):
563 assert(struct_line == "typedef enum %s_Tag {" % struct_name)
564 elif idx == len(tag_field_lines) - 3:
565 assert(struct_line.endswith("_Sentinel,"))
566 elif idx == len(tag_field_lines) - 2:
567 assert(struct_line == "} %s_Tag;" % struct_name)
568 elif idx == len(tag_field_lines) - 1:
569 assert(struct_line == "")
571 variant_name = struct_line.strip(' ,')[len(struct_name) + 1:]
573 if "LDK" + variant_name in union_enum_items:
574 enum_var_lines = union_enum_items["LDK" + variant_name]
575 for idx, field in enumerate(enum_var_lines):
576 if idx != 0 and idx < len(enum_var_lines) - 2:
577 fields.append(type_mapping_generator.map_type(field.strip(' ;'), False, None, False, True))
579 # TODO: Assert line format
582 # TODO: Assert line format
584 enum_variants.append(ComplexEnumVariantInfo(variant_name, fields))
586 with open(f"{sys.argv[3]}/structs/{java_hu_type}{consts.file_ext}", "w") as out_java_enum:
587 (out_java_addendum, out_java_enum_addendum, out_c_addendum) = consts.map_complex_enum(struct_name, enum_variants, camel_to_snake)
589 out_java_enum.write(out_java_enum_addendum)
590 out_java.write(out_java_addendum)
591 write_c(out_c_addendum)
593 def map_trait(struct_name, field_var_lines, trait_fn_lines):
594 with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "w") as out_java_trait:
596 for var_line in field_var_lines:
597 if var_line.group(1) in trait_structs:
598 field_var_convs.append((var_line.group(1), var_line.group(2)))
600 field_var_convs.append(
601 type_mapping_generator.map_type(var_line.group(1) + " " + var_line.group(2), False, None, False, False))
604 for fn_line in trait_fn_lines:
605 ret_ty_info = type_mapping_generator.map_type(fn_line.group(2), True, None, False, False)
606 is_const = fn_line.group(4) is not None
609 for idx, arg in enumerate(fn_line.group(5).split(',')):
612 arg_conv_info = type_mapping_generator.map_type(arg, True, None, False, False)
613 arg_tys.append(arg_conv_info)
614 field_fns.append(TraitMethInfo(fn_line.group(3), is_const, ret_ty_info, arg_tys))
616 (out_java_addendum, out_java_trait_addendum, out_c_addendum) = consts.native_c_map_trait(struct_name, field_var_convs, field_fns)
617 write_c(out_c_addendum)
618 out_java_trait.write(out_java_trait_addendum)
619 out_java.write(out_java_addendum)
621 for fn_line in trait_fn_lines:
622 # For now, just disable enabling the _call_log - we don't know how to inverse-map String
623 is_log = fn_line.group(3) == "log" and struct_name == "LDKLogger"
624 if fn_line.group(3) != "free" and fn_line.group(3) != "clone" and fn_line.group(3) != "eq" and not is_log:
625 dummy_line = fn_line.group(2) + struct_name.replace("LDK", "") + "_" + fn_line.group(3) + " " + struct_name + "* this_arg" + fn_line.group(5) + "\n"
626 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")
627 for idx, var_line in enumerate(field_var_lines):
628 if var_line.group(1) not in trait_structs:
629 write_c(var_line.group(1) + " " + struct_name + "_set_get_" + var_line.group(2) + "(" + struct_name + "* this_arg) {\n")
630 write_c("\tif (this_arg->set_" + var_line.group(2) + " != NULL)\n")
631 write_c("\t\tthis_arg->set_" + var_line.group(2) + "(this_arg);\n")
632 write_c("\treturn this_arg->" + var_line.group(2) + ";\n")
634 dummy_line = var_line.group(1) + " " + struct_name.replace("LDK", "") + "_get_" + var_line.group(2) + " " + struct_name + "* this_arg" + fn_line.group(5) + "\n"
635 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")
637 def map_result(struct_name, res_ty, err_ty):
638 result_types.add(struct_name)
639 human_ty = struct_name.replace("LDKCResult", "Result")
640 with open(f"{sys.argv[3]}/structs/{human_ty}{consts.file_ext}", "w") as out_java_struct:
641 out_java_struct.write(consts.hu_struct_file_prefix)
642 out_java_struct.write("public class " + human_ty + " extends CommonBase {\n")
643 out_java_struct.write("\tprivate " + human_ty + "(Object _dummy, long ptr) { super(ptr); }\n")
644 out_java_struct.write("\tprotected void finalize() throws Throwable {\n")
645 out_java_struct.write("\t\tif (ptr != 0) { bindings." + struct_name.replace("LDK","") + "_free(ptr); } super.finalize();\n")
646 out_java_struct.write("\t}\n\n")
647 out_java_struct.write("\tstatic " + human_ty + " constr_from_ptr(long ptr) {\n")
648 out_java_struct.write("\t\tif (bindings." + struct_name + "_result_ok(ptr)) {\n")
649 out_java_struct.write("\t\t\treturn new " + human_ty + "_OK(null, ptr);\n")
650 out_java_struct.write("\t\t} else {\n")
651 out_java_struct.write("\t\t\treturn new " + human_ty + "_Err(null, ptr);\n")
652 out_java_struct.write("\t\t}\n")
653 out_java_struct.write("\t}\n")
655 res_map = type_mapping_generator.map_type(res_ty + " res", True, None, False, True)
656 err_map = type_mapping_generator.map_type(err_ty + " err", True, None, False, True)
658 if not res_map.is_native_primitive and (res_map.rust_obj.replace("LDK", "") + "_clone" not in clone_fns):
660 if not err_map.is_native_primitive and (err_map.rust_obj.replace("LDK", "") + "_clone" not in clone_fns):
663 out_java.write("\tpublic static native boolean " + struct_name + "_result_ok(long arg);\n")
664 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")
665 write_c("\treturn ((" + struct_name + "*)arg)->result_ok;\n")
668 out_java.write("\tpublic static native " + res_map.java_ty + " " + struct_name + "_get_ok(long arg);\n")
669 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")
670 write_c("\t" + struct_name + " *val = (" + struct_name + "*)arg;\n")
671 write_c("\tCHECK(val->result_ok);\n\t")
672 out_java_struct.write("\tpublic static final class " + human_ty + "_OK extends " + human_ty + " {\n")
673 if res_map.ret_conv is not None:
674 write_c(res_map.ret_conv[0].replace("\n", "\n\t") + "(*val->contents.result)")
675 write_c(res_map.ret_conv[1].replace("\n", "\n\t") + "\n\treturn " + res_map.ret_conv_name)
677 write_c("return *val->contents.result")
680 if res_map.java_hu_ty != "void":
681 out_java_struct.write("\t\tpublic final " + res_map.java_hu_ty + " res;\n")
682 out_java_struct.write("\t\tprivate " + human_ty + "_OK(Object _dummy, long ptr) {\n")
683 out_java_struct.write("\t\t\tsuper(_dummy, ptr);\n")
684 if res_map.java_hu_ty == "void":
686 elif res_map.to_hu_conv is not None:
687 out_java_struct.write("\t\t\t" + res_map.java_ty + " res = bindings." + struct_name + "_get_ok(ptr);\n")
688 out_java_struct.write("\t\t\t" + res_map.to_hu_conv.replace("\n", "\n\t\t\t"))
689 out_java_struct.write("\n\t\t\tthis.res = " + res_map.to_hu_conv_name + ";\n")
691 out_java_struct.write("\t\t\tthis.res = bindings." + struct_name + "_get_ok(ptr);\n")
692 out_java_struct.write("\t\t}\n")
693 if struct_name.startswith("LDKCResult_None"):
694 out_java_struct.write("\t\tpublic " + human_ty + "_OK() {\n\t\t\tthis(null, bindings.C" + human_ty + "_ok());\n")
696 out_java_struct.write("\t\tpublic " + human_ty + "_OK(" + res_map.java_hu_ty + " res) {\n")
697 if res_map.from_hu_conv is not None:
698 out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_ok(" + res_map.from_hu_conv[0] + "));\n")
699 if res_map.from_hu_conv[1] != "":
700 out_java_struct.write("\t\t\t" + res_map.from_hu_conv[1] + ";\n")
702 out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_ok(res));\n")
703 out_java_struct.write("\t\t}\n\t}\n\n")
705 out_java.write("\tpublic static native " + err_map.java_ty + " " + struct_name + "_get_err(long arg);\n")
706 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")
707 write_c("\t" + struct_name + " *val = (" + struct_name + "*)arg;\n")
708 write_c("\tCHECK(!val->result_ok);\n\t")
709 out_java_struct.write("\tpublic static final class " + human_ty + "_Err extends " + human_ty + " {\n")
710 if err_map.ret_conv is not None:
711 write_c(err_map.ret_conv[0].replace("\n", "\n\t") + "(*val->contents.err)")
712 write_c(err_map.ret_conv[1].replace("\n", "\n\t") + "\n\treturn " + err_map.ret_conv_name)
714 write_c("return *val->contents.err")
717 if err_map.java_hu_ty != "void":
718 out_java_struct.write("\t\tpublic final " + err_map.java_hu_ty + " err;\n")
719 out_java_struct.write("\t\tprivate " + human_ty + "_Err(Object _dummy, long ptr) {\n")
720 out_java_struct.write("\t\t\tsuper(_dummy, ptr);\n")
721 if err_map.java_hu_ty == "void":
723 elif err_map.to_hu_conv is not None:
724 out_java_struct.write("\t\t\t" + err_map.java_ty + " err = bindings." + struct_name + "_get_err(ptr);\n")
725 out_java_struct.write("\t\t\t" + err_map.to_hu_conv.replace("\n", "\n\t\t\t"))
726 out_java_struct.write("\n\t\t\tthis.err = " + err_map.to_hu_conv_name + ";\n")
728 out_java_struct.write("\t\t\tthis.err = bindings." + struct_name + "_get_err(ptr);\n")
729 out_java_struct.write("\t\t}\n")
731 if struct_name.endswith("NoneZ"):
732 out_java_struct.write("\t\tpublic " + human_ty + "_Err() {\n\t\t\tthis(null, bindings.C" + human_ty + "_err());\n")
734 out_java_struct.write("\t\tpublic " + human_ty + "_Err(" + err_map.java_hu_ty + " err) {\n")
735 if err_map.from_hu_conv is not None:
736 out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_err(" + err_map.from_hu_conv[0] + "));\n")
737 if err_map.from_hu_conv[1] != "":
738 out_java_struct.write("\t\t\t" + err_map.from_hu_conv[1] + ";\n")
740 out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_err(err));\n")
741 out_java_struct.write("\t\t}\n\t}\n}\n")
744 clone_fns.add(struct_name.replace("LDK", "") + "_clone")
745 write_c("static inline " + struct_name + " " + struct_name.replace("LDK", "") + "_clone(const " + struct_name + " *orig) {\n")
746 write_c("\t" + struct_name + " res = { .result_ok = orig->result_ok };\n")
747 write_c("\tif (orig->result_ok) {\n")
748 if res_map.c_ty == "void":
749 write_c("\t\tres.contents.result = NULL;\n")
751 if res_map.is_native_primitive:
752 write_c("\t\t" + res_map.c_ty + "* contents = MALLOC(sizeof(" + res_map.c_ty + "), \"" + res_map.c_ty + " result OK clone\");\n")
753 write_c("\t\t*contents = *orig->contents.result;\n")
755 write_c("\t\t" + res_map.rust_obj + "* contents = MALLOC(sizeof(" + res_map.rust_obj + "), \"" + res_map.rust_obj + " result OK clone\");\n")
756 write_c("\t\t*contents = " + res_map.rust_obj.replace("LDK", "") + "_clone(orig->contents.result);\n")
757 write_c("\t\tres.contents.result = contents;\n")
758 write_c("\t} else {\n")
759 if err_map.c_ty == "void":
760 write_c("\t\tres.contents.err = NULL;\n")
762 if err_map.is_native_primitive:
763 write_c("\t\t" + err_map.c_ty + "* contents = MALLOC(sizeof(" + err_map.c_ty + "), \"" + err_map.c_ty + " result Err clone\");\n")
764 write_c("\t\t*contents = *orig->contents.err;\n")
766 write_c("\t\t" + err_map.rust_obj + "* contents = MALLOC(sizeof(" + err_map.rust_obj + "), \"" + err_map.rust_obj + " result Err clone\");\n")
767 write_c("\t\t*contents = " + err_map.rust_obj.replace("LDK", "") + "_clone(orig->contents.err);\n")
768 write_c("\t\tres.contents.err = contents;\n")
769 write_c("\t}\n\treturn res;\n}\n")
771 def map_tuple(struct_name, field_lines):
772 out_java.write("\tpublic static native long " + struct_name + "_new(")
773 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)
775 for idx, line in enumerate(field_lines):
776 if idx != 0 and idx < len(field_lines) - 2:
777 ty_info = java_c_types(line.strip(';'), None)
780 e = chr(ord('a') + idx - 1)
781 out_java.write(ty_info.java_ty + " " + e)
782 write_c(", " + ty_info.c_ty + " " + e)
783 ty_list.append(ty_info)
784 tuple_types[struct_name] = (ty_list, struct_name)
785 out_java.write(");\n")
787 write_c("\t" + struct_name + "* ret = MALLOC(sizeof(" + struct_name + "), \"" + struct_name + "\");\n")
789 clone_str = "static inline " + struct_name + " " + struct_name.replace("LDK", "") + "_clone(const " + struct_name + " *orig) {\n"
790 clone_str = clone_str + "\t" + struct_name + " ret = {\n"
791 for idx, line in enumerate(field_lines):
792 if idx != 0 and idx < len(field_lines) - 2:
793 ty_info = type_mapping_generator.map_type(line.strip(';'), False, None, False, False)
794 e = chr(ord('a') + idx - 1)
795 if ty_info.arg_conv is not None:
796 write_c("\t" + ty_info.arg_conv.replace("\n", "\n\t"))
797 write_c("\n\tret->" + e + " = " + ty_info.arg_conv_name + ";\n")
799 write_c("\tret->" + e + " = " + e + ";\n")
800 if ty_info.arg_conv_cleanup is not None:
801 write_c("\t//TODO: Really need to call " + ty_info.arg_conv_cleanup + " here\n")
802 if not ty_info.is_native_primitive and (ty_info.rust_obj.replace("LDK", "") + "_clone") not in clone_fns:
804 elif can_clone and ty_info.is_native_primitive:
805 clone_str = clone_str + "\t\t." + chr(ord('a') + idx - 1) + " = orig->" + chr(ord('a') + idx - 1) + ",\n"
807 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"
808 write_c("\treturn (long)ret;\n")
812 clone_fns.add(struct_name.replace("LDK", "") + "_clone")
814 write_c("\t};\n\treturn ret;\n}\n")
816 for idx, ty_info in enumerate(ty_list):
817 e = chr(ord('a') + idx)
818 out_java.write("\tpublic static native " + ty_info.java_ty + " " + struct_name + "_get_" + e + "(long ptr);\n")
819 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")
820 write_c("\t" + struct_name + " *tuple = (" + struct_name + "*)ptr;\n")
821 conv_info = type_mapping_generator.map_type_with_info(ty_info, False, None, False, True)
822 if conv_info.ret_conv is not None:
823 write_c("\t" + conv_info.ret_conv[0].replace("\n", "\n\t") + "tuple->" + e + conv_info.ret_conv[1].replace("\n", "\n\t") + "\n")
824 write_c("\treturn " + conv_info.ret_conv_name + ";\n")
826 write_c("\treturn tuple->" + e + ";\n")
829 out_java.write(consts.bindings_header)
831 with open(f"{sys.argv[3]}/structs/CommonBase{consts.file_ext}", "w") as out_java_struct:
832 out_java_struct.write(consts.common_base)
834 in_block_comment = False
837 const_val_regex = re.compile("^extern const ([A-Za-z_0-9]*) ([A-Za-z_0-9]*);$")
839 line_indicates_result_regex = re.compile("^ union (LDKCResult_[A-Za-z_0-9]*Ptr) contents;$")
840 line_indicates_vec_regex = re.compile("^ (struct |enum |union )?([A-Za-z_0-9]*) \*data;$")
841 line_indicates_opaque_regex = re.compile("^ bool is_owned;$")
842 line_indicates_trait_regex = re.compile("^ (struct |enum |union )?([A-Za-z_0-9]* \*?)\(\*([A-Za-z_0-9]*)\)\((const )?void \*this_arg(.*)\);$")
843 assert(line_indicates_trait_regex.match(" uintptr_t (*send_data)(void *this_arg, LDKu8slice data, bool resume_read);"))
844 assert(line_indicates_trait_regex.match(" struct LDKCVec_MessageSendEventZ (*get_and_clear_pending_msg_events)(const void *this_arg);"))
845 assert(line_indicates_trait_regex.match(" void *(*clone)(const void *this_arg);"))
846 assert(line_indicates_trait_regex.match(" struct LDKCVec_u8Z (*write)(const void *this_arg);"))
847 line_field_var_regex = re.compile("^ struct ([A-Za-z_0-9]*) ([A-Za-z_0-9]*);$")
848 assert(line_field_var_regex.match(" struct LDKMessageSendEventsProvider MessageSendEventsProvider;"))
849 assert(line_field_var_regex.match(" struct LDKChannelPublicKeys pubkeys;"))
850 struct_name_regex = re.compile("^typedef (struct|enum|union) (MUST_USE_STRUCT )?(LDK[A-Za-z_0-9]*) {$")
851 assert(struct_name_regex.match("typedef struct LDKCVec_u8Z {"))
852 assert(struct_name_regex.match("typedef enum LDKNetwork {"))
854 union_enum_items = {}
855 result_ptr_struct_items = {}
858 if line.endswith("*/\n"):
859 in_block_comment = False
860 elif cur_block_obj is not None:
861 cur_block_obj = cur_block_obj + line
862 if line.startswith("} "):
866 obj_lines = cur_block_obj.split("\n")
868 result_contents = None
869 is_unitary_enum = False
870 is_union_enum = False
876 for idx, struct_line in enumerate(obj_lines):
877 if struct_line.strip().startswith("/*"):
878 in_block_comment = True
880 if struct_line.endswith("*/"):
881 in_block_comment = False
883 struct_name_match = struct_name_regex.match(struct_line)
884 if struct_name_match is not None:
885 struct_name = struct_name_match.group(3)
886 if struct_name_match.group(1) == "enum":
887 if not struct_name.endswith("_Tag"):
888 is_unitary_enum = True
891 elif struct_name_match.group(1) == "union":
893 if line_indicates_opaque_regex.match(struct_line):
895 result_match = line_indicates_result_regex.match(struct_line)
896 if result_match is not None:
897 result_contents = result_match.group(1)
898 vec_ty_match = line_indicates_vec_regex.match(struct_line)
899 if vec_ty_match is not None and struct_name.startswith("LDKCVec_"):
900 vec_ty = vec_ty_match.group(2)
901 elif struct_name.startswith("LDKC2Tuple_") or struct_name.startswith("LDKC3Tuple_"):
903 trait_fn_match = line_indicates_trait_regex.match(struct_line)
904 if trait_fn_match is not None:
905 trait_fn_lines.append(trait_fn_match)
906 field_var_match = line_field_var_regex.match(struct_line)
907 if field_var_match is not None:
908 field_var_lines.append(field_var_match)
909 field_lines.append(struct_line)
911 assert(struct_name is not None)
912 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))
913 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))
914 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))
915 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))
916 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))
917 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))
918 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))
921 opaque_structs.add(struct_name)
922 with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "w") as out_java_struct:
923 out_opaque_struct_human = consts.map_opaque_struct(struct_name)
924 out_java_struct.write(out_opaque_struct_human)
925 elif result_contents is not None:
926 assert result_contents in result_ptr_struct_items
927 res_ty, err_ty = result_ptr_struct_items[result_contents]
928 map_result(struct_name, res_ty, err_ty)
929 elif struct_name.startswith("LDKCResult_") and struct_name.endswith("ZPtr"):
930 for line in field_lines:
931 if line.endswith("*result;"):
932 res_ty = line[:-8].strip()
933 elif line.endswith("*err;"):
934 err_ty = line[:-5].strip()
935 result_ptr_struct_items[struct_name] = (res_ty, err_ty)
936 result_types.add(struct_name[:-3])
938 map_tuple(struct_name, field_lines)
939 elif vec_ty is not None:
940 ty_info = type_mapping_generator.map_type(vec_ty + " arr_elem", False, None, False, False)
941 if len(ty_info.java_fn_ty_arg) == 1: # ie we're a primitive of some form
942 out_java.write("\tpublic static native long " + struct_name + "_new(" + ty_info.java_ty + "[] elems);\n")
943 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")
944 write_c("\t" + struct_name + " *ret = MALLOC(sizeof(" + struct_name + "), \"" + struct_name + "\");\n")
945 write_c("\tret->datalen = " + consts.get_native_arr_len_call[0] + "elems" + consts.get_native_arr_len_call[1] + ";\n")
946 write_c("\tif (ret->datalen == 0) {\n")
947 write_c("\t\tret->data = NULL;\n")
948 write_c("\t} else {\n")
949 write_c("\t\tret->data = MALLOC(sizeof(" + vec_ty + ") * ret->datalen, \"" + struct_name + " Data\");\n")
950 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")
951 write_c("\t\tfor (size_t i = 0; i < ret->datalen; i++) {\n")
952 if ty_info.arg_conv is not None:
953 write_c("\t\t\t" + ty_info.c_ty + " arr_elem = java_elems[i];\n")
954 write_c("\t\t\t" + ty_info.arg_conv.replace("\n", "\n\t\t\t") + "\n")
955 write_c("\t\t\tret->data[i] = " + ty_info.arg_conv_name + ";\n")
956 assert ty_info.arg_conv_cleanup is None
958 write_c("\t\t\tret->data[i] = java_elems[i];\n")
960 cleanup = consts.release_native_arr_ptr_call("elems", "java_elems")
961 if cleanup is not None:
962 write_c("\t\t" + cleanup + ";\n")
964 write_c("\treturn (long)ret;\n")
967 if ty_info.is_native_primitive:
968 clone_fns.add(struct_name.replace("LDK", "") + "_clone")
969 write_c("static inline " + struct_name + " " + struct_name.replace("LDK", "") + "_clone(const " + struct_name + " *orig) {\n")
970 write_c("\t" + struct_name + " ret = { .data = MALLOC(sizeof(" + ty_info.c_ty + ") * orig->datalen, \"" + struct_name + " clone bytes\"), .datalen = orig->datalen };\n")
971 write_c("\tmemcpy(ret.data, orig->data, sizeof(" + ty_info.c_ty + ") * ret.datalen);\n")
972 write_c("\treturn ret;\n}\n")
973 elif (ty_info.rust_obj.replace("LDK", "") + "_clone") in clone_fns:
974 ty_name = "CVec_" + ty_info.rust_obj.replace("LDK", "") + "Z";
975 clone_fns.add(ty_name + "_clone")
976 write_c("static inline " + struct_name + " " + ty_name + "_clone(const " + struct_name + " *orig) {\n")
977 write_c("\t" + struct_name + " ret = { .data = MALLOC(sizeof(" + ty_info.rust_obj + ") * orig->datalen, \"" + struct_name + " clone bytes\"), .datalen = orig->datalen };\n")
978 write_c("\tfor (size_t i = 0; i < ret.datalen; i++) {\n")
979 write_c("\t\tret.data[i] = " + ty_info.rust_obj.replace("LDK", "") + "_clone(&orig->data[i]);\n")
980 write_c("\t}\n\treturn ret;\n}\n")
982 assert(struct_name.endswith("_Tag"))
983 struct_name = struct_name[:-4]
984 union_enum_items[struct_name] = {"field_lines": field_lines}
985 elif struct_name.endswith("_Body") and struct_name.split("_")[0] in union_enum_items:
986 enum_var_name = struct_name.split("_")
987 union_enum_items[enum_var_name[0]][enum_var_name[1]] = field_lines
988 elif struct_name in union_enum_items:
989 map_complex_enum(struct_name, union_enum_items[struct_name])
990 elif is_unitary_enum:
991 map_unitary_enum(struct_name, field_lines)
992 elif len(trait_fn_lines) > 0:
993 trait_structs.add(struct_name)
994 map_trait(struct_name, field_var_lines, trait_fn_lines)
995 elif struct_name == "LDKTxOut":
996 with open(f"{sys.argv[3]}/structs/TxOut{consts.file_ext}", "w") as out_java_struct:
997 out_java_struct.write(consts.hu_struct_file_prefix)
998 out_java_struct.write("public class TxOut extends CommonBase{\n")
999 out_java_struct.write("\tTxOut(java.lang.Object _dummy, long ptr) { super(ptr); }\n")
1000 out_java_struct.write("\tlong to_c_ptr() { return 0; }\n")
1001 out_java_struct.write("\t@Override @SuppressWarnings(\"deprecation\")\n")
1002 out_java_struct.write("\tprotected void finalize() throws Throwable {\n")
1003 out_java_struct.write("\t\tsuper.finalize();\n")
1004 out_java_struct.write("\t\tif (ptr != 0) { bindings.TxOut_free(ptr); }\n")
1005 out_java_struct.write("\t}\n")
1007 out_java_struct.write("}")
1009 pass # Everything remaining is a byte[] or some form
1010 cur_block_obj = None
1012 fn_ptr = fn_ptr_regex.match(line)
1013 fn_ret_arr = fn_ret_arr_regex.match(line)
1014 reg_fn = reg_fn_regex.match(line)
1015 const_val = const_val_regex.match(line)
1017 if line.startswith("#include <"):
1019 elif line.startswith("/*"):
1020 #out_java.write("\t" + line)
1021 if not line.endswith("*/\n"):
1022 in_block_comment = True
1023 elif line.startswith("typedef enum "):
1024 cur_block_obj = line
1025 elif line.startswith("typedef struct "):
1026 cur_block_obj = line
1027 elif line.startswith("typedef union "):
1028 cur_block_obj = line
1029 elif fn_ptr is not None:
1030 map_fn(line, fn_ptr, None, None)
1031 elif fn_ret_arr is not None:
1032 map_fn(line, fn_ret_arr, fn_ret_arr.group(4), None)
1033 elif reg_fn is not None:
1034 map_fn(line, reg_fn, None, None)
1035 elif const_val_regex is not None:
1036 # TODO Map const variables
1039 assert(line == "\n")
1041 out_java.write("}\n")
1042 for struct_name in opaque_structs:
1043 with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "a") as out_java_struct:
1044 out_java_struct.write("}\n")
1045 for struct_name in trait_structs:
1046 with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "a") as out_java_struct:
1047 out_java_struct.write("}\n")
1048 with open(sys.argv[4], "w") as out_c:
1049 out_c.write(consts.c_file_pfx)
1050 out_c.write(consts.init_str(c_array_class_caches))