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]*)\((.*)\);$")
336 from gen_type_mapping import TypeMappingGenerator
337 type_mapping_generator = TypeMappingGenerator(java_c_types, consts, opaque_structs, clone_fns, unitary_enums, trait_structs, complex_enums, result_types, tuple_types)
339 with open(sys.argv[1]) as in_h:
341 reg_fn = reg_fn_regex.match(line)
342 if reg_fn is not None:
343 if reg_fn.group(2).endswith("_clone"):
344 clone_fns.add(reg_fn.group(2))
346 rty = java_c_types(reg_fn.group(1), None)
347 if rty is not None and rty.rust_obj is not None and reg_fn.group(2) == rty.java_hu_ty + "_new":
348 constructor_fns[rty.rust_obj] = reg_fn.group(3)
350 arr_fn = fn_ret_arr_regex.match(line)
351 if arr_fn is not None:
352 if arr_fn.group(2).endswith("_clone"):
353 clone_fns.add(arr_fn.group(2))
354 # No object constructors return arrays, as then they wouldn't be an object constructor
357 # Define some manual clones...
358 clone_fns.add("ThirtyTwoBytes_clone")
359 write_c("static inline struct LDKThirtyTwoBytes ThirtyTwoBytes_clone(const struct LDKThirtyTwoBytes *orig) { struct LDKThirtyTwoBytes ret; memcpy(ret.data, orig->data, 32); return ret; }\n")
361 java_c_types_none_allowed = False # C structs created by cbindgen are declared in dependency order
363 with open(sys.argv[1]) as in_h, open(sys.argv[2], "w") as out_java:
364 def map_fn(line, re_match, ret_arr_len, c_call_string):
365 out_java.write("\t// " + line)
366 out_java.write("\tpublic static native ")
367 write_c(consts.c_fn_ty_pfx)
369 is_free = re_match.group(2).endswith("_free")
370 struct_meth = re_match.group(2).split("_")[0]
372 ret_info = type_mapping_generator.map_type(re_match.group(1), True, ret_arr_len, False, False)
373 write_c(ret_info.c_ty)
374 out_java.write(ret_info.java_ty)
376 if ret_info.ret_conv is not None:
377 ret_conv_pfx, ret_conv_sfx = ret_info.ret_conv
379 out_java.write(" " + re_match.group(2) + "(")
380 write_c(" " + consts.c_fn_name_pfx + re_match.group(2).replace('_', '_1') + "(" + consts.c_fn_args_pfx)
383 default_constructor_args = {}
386 for idx, arg in enumerate(re_match.group(3).split(',')):
391 arg_conv_info = type_mapping_generator.map_type(arg, False, None, is_free, True)
392 if arg_conv_info.c_ty != "void":
393 write_c(arg_conv_info.c_ty + " " + arg_conv_info.arg_name)
394 out_java.write(arg_conv_info.java_ty + " " + arg_conv_info.arg_name)
395 if idx == 0 and arg_conv_info.java_hu_ty == struct_meth:
397 if arg_conv_info.arg_conv is not None and "Warning" in arg_conv_info.arg_conv:
398 if arg_conv_info.rust_obj in constructor_fns:
400 for explode_arg in constructor_fns[arg_conv_info.rust_obj].split(','):
401 explode_arg_conv = type_mapping_generator.map_type(explode_arg, False, None, False, True)
402 if explode_arg_conv.c_ty == "void":
403 # We actually want to handle this case, but for now its only used in NetGraphMsgHandler::new()
404 # which ends up resulting in a redundant constructor - both without arguments for the NetworkGraph.
407 if not arg_conv_info.arg_name in default_constructor_args:
408 default_constructor_args[arg_conv_info.arg_name] = []
409 default_constructor_args[arg_conv_info.arg_name].append(explode_arg_conv)
410 arg_names.append(arg_conv_info)
412 out_java_struct = None
413 if ("LDK" + struct_meth in opaque_structs or "LDK" + struct_meth in trait_structs) and not is_free:
414 out_java_struct = open(f"{sys.argv[3]}/structs/{struct_meth}{consts.file_ext}", "a")
416 out_java_struct.write("\t// Skipped " + re_match.group(2) + "\n")
417 out_java_struct.close()
418 out_java_struct = None
420 meth_n = re_match.group(2)[len(struct_meth) + 1:]
422 out_java_struct.write("\tpublic static " + ret_info.java_hu_ty + " constructor_" + meth_n + "(")
424 out_java_struct.write("\tpublic " + ret_info.java_hu_ty + " " + meth_n + "(")
425 for idx, arg in enumerate(arg_names):
427 if not takes_self or idx > 1:
428 out_java_struct.write(", ")
431 if arg.java_ty != "void":
432 if arg.arg_name in default_constructor_args:
433 for explode_idx, explode_arg in enumerate(default_constructor_args[arg.arg_name]):
435 out_java_struct.write(", ")
436 out_java_struct.write(explode_arg.java_hu_ty + " " + arg.arg_name + "_" + explode_arg.arg_name)
438 out_java_struct.write(arg.java_hu_ty + " " + arg.arg_name)
441 out_java.write(");\n")
443 if out_java_struct is not None:
444 out_java_struct.write(") {\n")
446 for info in arg_names:
447 if info.arg_conv is not None:
448 write_c("\t" + info.arg_conv.replace('\n', "\n\t") + "\n")
450 if ret_info.ret_conv is not None:
451 write_c("\t" + ret_conv_pfx.replace('\n', '\n\t'))
452 elif ret_info.c_ty != "void":
453 write_c("\t" + ret_info.c_ty + " ret_val = ")
457 if c_call_string is None:
458 write_c(re_match.group(2) + "(")
460 write_c(c_call_string)
461 for idx, info in enumerate(arg_names):
462 if info.arg_conv_name is not None:
465 elif c_call_string is not None:
467 write_c(info.arg_conv_name)
469 if ret_info.ret_conv is not None:
470 write_c(ret_conv_sfx.replace('\n', '\n\t'))
473 for info in arg_names:
474 if info.arg_conv_cleanup is not None:
475 write_c("\n\t" + info.arg_conv_cleanup.replace("\n", "\n\t"))
476 if ret_info.ret_conv is not None:
477 write_c("\n\treturn " + ret_info.ret_conv_name + ";")
478 elif ret_info.c_ty != "void":
479 write_c("\n\treturn ret_val;")
481 if out_java_struct is not None:
482 out_java_struct.write("\t\t")
483 if ret_info.java_ty != "void":
484 out_java_struct.write(ret_info.java_ty + " ret = ")
485 out_java_struct.write("bindings." + re_match.group(2) + "(")
486 for idx, info in enumerate(arg_names):
488 out_java_struct.write(", ")
489 if idx == 0 and takes_self:
490 out_java_struct.write("this.ptr")
491 elif info.arg_name in default_constructor_args:
492 out_java_struct.write("bindings." + info.java_hu_ty + "_new(")
493 for explode_idx, explode_arg in enumerate(default_constructor_args[info.arg_name]):
495 out_java_struct.write(", ")
496 expl_arg_name = info.arg_name + "_" + explode_arg.arg_name
497 if explode_arg.from_hu_conv is not None:
498 out_java_struct.write(explode_arg.from_hu_conv[0].replace(explode_arg.arg_name, expl_arg_name))
500 out_java_struct.write(expl_arg_name)
501 out_java_struct.write(")")
502 elif info.from_hu_conv is not None:
503 out_java_struct.write(info.from_hu_conv[0])
505 out_java_struct.write(info.arg_name)
506 out_java_struct.write(");\n")
507 if ret_info.to_hu_conv is not None:
509 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")
511 out_java_struct.write("\t\t" + ret_info.to_hu_conv.replace("\n", "\n\t\t") + "\n")
513 for idx, info in enumerate(arg_names):
514 if idx == 0 and takes_self:
516 elif info.arg_name in default_constructor_args:
517 for explode_arg in default_constructor_args[info.arg_name]:
518 expl_arg_name = info.arg_name + "_" + explode_arg.arg_name
519 if explode_arg.from_hu_conv is not None and ret_info.to_hu_conv_name:
520 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")
521 elif info.from_hu_conv is not None and info.from_hu_conv[1] != "":
522 if not takes_self and ret_info.to_hu_conv_name is not None:
523 out_java_struct.write("\t\t" + info.from_hu_conv[1].replace("this", ret_info.to_hu_conv_name) + ";\n")
525 out_java_struct.write("\t\t" + info.from_hu_conv[1] + ";\n")
527 if ret_info.to_hu_conv_name is not None:
528 out_java_struct.write("\t\treturn " + ret_info.to_hu_conv_name + ";\n")
529 elif ret_info.java_ty != "void" and ret_info.rust_obj != "LDK" + struct_meth:
530 out_java_struct.write("\t\treturn ret;\n")
531 out_java_struct.write("\t}\n\n")
532 out_java_struct.close()
534 def map_unitary_enum(struct_name, field_lines):
535 with open(f"{sys.argv[3]}/enums/{struct_name}{consts.file_ext}", "w") as out_java_enum:
536 unitary_enums.add(struct_name)
537 for idx, struct_line in enumerate(field_lines):
539 assert(struct_line == "typedef enum %s {" % struct_name)
540 elif idx == len(field_lines) - 3:
541 assert(struct_line.endswith("_Sentinel,"))
542 elif idx == len(field_lines) - 2:
543 assert(struct_line == "} %s;" % struct_name)
544 elif idx == len(field_lines) - 1:
545 assert(struct_line == "")
546 (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]])
548 out_java_enum.write(native_file_out)
549 out_java.write(native_out)
551 def map_complex_enum(struct_name, union_enum_items):
552 java_hu_type = struct_name.replace("LDK", "")
553 complex_enums.add(struct_name)
556 tag_field_lines = union_enum_items["field_lines"]
557 for idx, struct_line in enumerate(tag_field_lines):
559 assert(struct_line == "typedef enum %s_Tag {" % struct_name)
560 elif idx == len(tag_field_lines) - 3:
561 assert(struct_line.endswith("_Sentinel,"))
562 elif idx == len(tag_field_lines) - 2:
563 assert(struct_line == "} %s_Tag;" % struct_name)
564 elif idx == len(tag_field_lines) - 1:
565 assert(struct_line == "")
567 variant_name = struct_line.strip(' ,')[len(struct_name) + 1:]
569 if "LDK" + variant_name in union_enum_items:
570 enum_var_lines = union_enum_items["LDK" + variant_name]
571 for idx, field in enumerate(enum_var_lines):
572 if idx != 0 and idx < len(enum_var_lines) - 2:
573 fields.append(type_mapping_generator.map_type(field.strip(' ;'), False, None, False, True))
575 # TODO: Assert line format
578 # TODO: Assert line format
580 enum_variants.append(ComplexEnumVariantInfo(variant_name, fields))
582 with open(f"{sys.argv[3]}/structs/{java_hu_type}{consts.file_ext}", "w") as out_java_enum:
583 (out_java_addendum, out_java_enum_addendum, out_c_addendum) = consts.map_complex_enum(struct_name, enum_variants, camel_to_snake)
585 out_java_enum.write(out_java_enum_addendum)
586 out_java.write(out_java_addendum)
587 write_c(out_c_addendum)
589 def map_trait(struct_name, field_var_lines, trait_fn_lines):
590 with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "w") as out_java_trait:
592 for var_line in field_var_lines:
593 if var_line.group(1) in trait_structs:
594 field_var_convs.append((var_line.group(1), var_line.group(2)))
596 field_var_convs.append(
597 type_mapping_generator.map_type(var_line.group(1) + " " + var_line.group(2), False, None, False, False))
600 for fn_line in trait_fn_lines:
601 ret_ty_info = type_mapping_generator.map_type(fn_line.group(2), True, None, False, False)
602 is_const = fn_line.group(4) is not None
605 for idx, arg in enumerate(fn_line.group(5).split(',')):
608 arg_conv_info = type_mapping_generator.map_type(arg, True, None, False, False)
609 arg_tys.append(arg_conv_info)
610 field_fns.append(TraitMethInfo(fn_line.group(3), is_const, ret_ty_info, arg_tys))
612 (out_java_addendum, out_java_trait_addendum, out_c_addendum) = consts.native_c_map_trait(struct_name, field_var_convs, field_fns)
613 write_c(out_c_addendum)
614 out_java_trait.write(out_java_trait_addendum)
615 out_java.write(out_java_addendum)
617 for fn_line in trait_fn_lines:
618 # For now, just disable enabling the _call_log - we don't know how to inverse-map String
619 is_log = fn_line.group(3) == "log" and struct_name == "LDKLogger"
620 if fn_line.group(3) != "free" and fn_line.group(3) != "clone" and fn_line.group(3) != "eq" and not is_log:
621 dummy_line = fn_line.group(2) + struct_name.replace("LDK", "") + "_" + fn_line.group(3) + " " + struct_name + "* this_arg" + fn_line.group(5) + "\n"
622 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")
623 for idx, var_line in enumerate(field_var_lines):
624 if var_line.group(1) not in trait_structs:
625 write_c(var_line.group(1) + " " + struct_name + "_set_get_" + var_line.group(2) + "(" + struct_name + "* this_arg) {\n")
626 write_c("\tif (this_arg->set_" + var_line.group(2) + " != NULL)\n")
627 write_c("\t\tthis_arg->set_" + var_line.group(2) + "(this_arg);\n")
628 write_c("\treturn this_arg->" + var_line.group(2) + ";\n")
630 dummy_line = var_line.group(1) + " " + struct_name.replace("LDK", "") + "_get_" + var_line.group(2) + " " + struct_name + "* this_arg" + fn_line.group(5) + "\n"
631 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")
633 def map_result(struct_name, res_ty, err_ty):
634 result_types.add(struct_name)
635 human_ty = struct_name.replace("LDKCResult", "Result")
636 with open(f"{sys.argv[3]}/structs/{human_ty}{consts.file_ext}", "w") as out_java_struct:
637 out_java_struct.write(consts.hu_struct_file_prefix)
638 out_java_struct.write("public class " + human_ty + " extends CommonBase {\n")
639 out_java_struct.write("\tprivate " + human_ty + "(Object _dummy, long ptr) { super(ptr); }\n")
640 out_java_struct.write("\tprotected void finalize() throws Throwable {\n")
641 out_java_struct.write("\t\tif (ptr != 0) { bindings." + struct_name.replace("LDK","") + "_free(ptr); } super.finalize();\n")
642 out_java_struct.write("\t}\n\n")
643 out_java_struct.write("\tstatic " + human_ty + " constr_from_ptr(long ptr) {\n")
644 out_java_struct.write("\t\tif (bindings." + struct_name + "_result_ok(ptr)) {\n")
645 out_java_struct.write("\t\t\treturn new " + human_ty + "_OK(null, ptr);\n")
646 out_java_struct.write("\t\t} else {\n")
647 out_java_struct.write("\t\t\treturn new " + human_ty + "_Err(null, ptr);\n")
648 out_java_struct.write("\t\t}\n")
649 out_java_struct.write("\t}\n")
651 res_map = type_mapping_generator.map_type(res_ty + " res", True, None, False, True)
652 err_map = type_mapping_generator.map_type(err_ty + " err", True, None, False, True)
654 if not res_map.is_native_primitive and (res_map.rust_obj.replace("LDK", "") + "_clone" not in clone_fns):
656 if not err_map.is_native_primitive and (err_map.rust_obj.replace("LDK", "") + "_clone" not in clone_fns):
659 out_java.write("\tpublic static native boolean " + struct_name + "_result_ok(long arg);\n")
660 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")
661 write_c("\treturn ((" + struct_name + "*)arg)->result_ok;\n")
664 out_java.write("\tpublic static native " + res_map.java_ty + " " + struct_name + "_get_ok(long arg);\n")
665 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")
666 write_c("\t" + struct_name + " *val = (" + struct_name + "*)arg;\n")
667 write_c("\tCHECK(val->result_ok);\n\t")
668 out_java_struct.write("\tpublic static final class " + human_ty + "_OK extends " + human_ty + " {\n")
669 if res_map.ret_conv is not None:
670 write_c(res_map.ret_conv[0].replace("\n", "\n\t") + "(*val->contents.result)")
671 write_c(res_map.ret_conv[1].replace("\n", "\n\t") + "\n\treturn " + res_map.ret_conv_name)
673 write_c("return *val->contents.result")
676 if res_map.java_hu_ty != "void":
677 out_java_struct.write("\t\tpublic final " + res_map.java_hu_ty + " res;\n")
678 out_java_struct.write("\t\tprivate " + human_ty + "_OK(Object _dummy, long ptr) {\n")
679 out_java_struct.write("\t\t\tsuper(_dummy, ptr);\n")
680 if res_map.java_hu_ty == "void":
682 elif res_map.to_hu_conv is not None:
683 out_java_struct.write("\t\t\t" + res_map.java_ty + " res = bindings." + struct_name + "_get_ok(ptr);\n")
684 out_java_struct.write("\t\t\t" + res_map.to_hu_conv.replace("\n", "\n\t\t\t"))
685 out_java_struct.write("\n\t\t\tthis.res = " + res_map.to_hu_conv_name + ";\n")
687 out_java_struct.write("\t\t\tthis.res = bindings." + struct_name + "_get_ok(ptr);\n")
688 out_java_struct.write("\t\t}\n")
689 if struct_name.startswith("LDKCResult_None"):
690 out_java_struct.write("\t\tpublic " + human_ty + "_OK() {\n\t\t\tthis(null, bindings.C" + human_ty + "_ok());\n")
692 out_java_struct.write("\t\tpublic " + human_ty + "_OK(" + res_map.java_hu_ty + " res) {\n")
693 if res_map.from_hu_conv is not None:
694 out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_ok(" + res_map.from_hu_conv[0] + "));\n")
695 if res_map.from_hu_conv[1] != "":
696 out_java_struct.write("\t\t\t" + res_map.from_hu_conv[1] + ";\n")
698 out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_ok(res));\n")
699 out_java_struct.write("\t\t}\n\t}\n\n")
701 out_java.write("\tpublic static native " + err_map.java_ty + " " + struct_name + "_get_err(long arg);\n")
702 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")
703 write_c("\t" + struct_name + " *val = (" + struct_name + "*)arg;\n")
704 write_c("\tCHECK(!val->result_ok);\n\t")
705 out_java_struct.write("\tpublic static final class " + human_ty + "_Err extends " + human_ty + " {\n")
706 if err_map.ret_conv is not None:
707 write_c(err_map.ret_conv[0].replace("\n", "\n\t") + "(*val->contents.err)")
708 write_c(err_map.ret_conv[1].replace("\n", "\n\t") + "\n\treturn " + err_map.ret_conv_name)
710 write_c("return *val->contents.err")
713 if err_map.java_hu_ty != "void":
714 out_java_struct.write("\t\tpublic final " + err_map.java_hu_ty + " err;\n")
715 out_java_struct.write("\t\tprivate " + human_ty + "_Err(Object _dummy, long ptr) {\n")
716 out_java_struct.write("\t\t\tsuper(_dummy, ptr);\n")
717 if err_map.java_hu_ty == "void":
719 elif err_map.to_hu_conv is not None:
720 out_java_struct.write("\t\t\t" + err_map.java_ty + " err = bindings." + struct_name + "_get_err(ptr);\n")
721 out_java_struct.write("\t\t\t" + err_map.to_hu_conv.replace("\n", "\n\t\t\t"))
722 out_java_struct.write("\n\t\t\tthis.err = " + err_map.to_hu_conv_name + ";\n")
724 out_java_struct.write("\t\t\tthis.err = bindings." + struct_name + "_get_err(ptr);\n")
725 out_java_struct.write("\t\t}\n")
727 if struct_name.endswith("NoneZ"):
728 out_java_struct.write("\t\tpublic " + human_ty + "_Err() {\n\t\t\tthis(null, bindings.C" + human_ty + "_err());\n")
730 out_java_struct.write("\t\tpublic " + human_ty + "_Err(" + err_map.java_hu_ty + " err) {\n")
731 if err_map.from_hu_conv is not None:
732 out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_err(" + err_map.from_hu_conv[0] + "));\n")
733 if err_map.from_hu_conv[1] != "":
734 out_java_struct.write("\t\t\t" + err_map.from_hu_conv[1] + ";\n")
736 out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_err(err));\n")
737 out_java_struct.write("\t\t}\n\t}\n}\n")
740 clone_fns.add(struct_name.replace("LDK", "") + "_clone")
741 write_c("static inline " + struct_name + " " + struct_name.replace("LDK", "") + "_clone(const " + struct_name + " *orig) {\n")
742 write_c("\t" + struct_name + " res = { .result_ok = orig->result_ok };\n")
743 write_c("\tif (orig->result_ok) {\n")
744 if res_map.c_ty == "void":
745 write_c("\t\tres.contents.result = NULL;\n")
747 if res_map.is_native_primitive:
748 write_c("\t\t" + res_map.c_ty + "* contents = MALLOC(sizeof(" + res_map.c_ty + "), \"" + res_map.c_ty + " result OK clone\");\n")
749 write_c("\t\t*contents = *orig->contents.result;\n")
751 write_c("\t\t" + res_map.rust_obj + "* contents = MALLOC(sizeof(" + res_map.rust_obj + "), \"" + res_map.rust_obj + " result OK clone\");\n")
752 write_c("\t\t*contents = " + res_map.rust_obj.replace("LDK", "") + "_clone(orig->contents.result);\n")
753 write_c("\t\tres.contents.result = contents;\n")
754 write_c("\t} else {\n")
755 if err_map.c_ty == "void":
756 write_c("\t\tres.contents.err = NULL;\n")
758 if err_map.is_native_primitive:
759 write_c("\t\t" + err_map.c_ty + "* contents = MALLOC(sizeof(" + err_map.c_ty + "), \"" + err_map.c_ty + " result Err clone\");\n")
760 write_c("\t\t*contents = *orig->contents.err;\n")
762 write_c("\t\t" + err_map.rust_obj + "* contents = MALLOC(sizeof(" + err_map.rust_obj + "), \"" + err_map.rust_obj + " result Err clone\");\n")
763 write_c("\t\t*contents = " + err_map.rust_obj.replace("LDK", "") + "_clone(orig->contents.err);\n")
764 write_c("\t\tres.contents.err = contents;\n")
765 write_c("\t}\n\treturn res;\n}\n")
767 def map_tuple(struct_name, field_lines):
768 out_java.write("\tpublic static native long " + struct_name + "_new(")
769 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)
771 for idx, line in enumerate(field_lines):
772 if idx != 0 and idx < len(field_lines) - 2:
773 ty_info = java_c_types(line.strip(';'), None)
776 e = chr(ord('a') + idx - 1)
777 out_java.write(ty_info.java_ty + " " + e)
778 write_c(", " + ty_info.c_ty + " " + e)
779 ty_list.append(ty_info)
780 tuple_types[struct_name] = (ty_list, struct_name)
781 out_java.write(");\n")
783 write_c("\t" + struct_name + "* ret = MALLOC(sizeof(" + struct_name + "), \"" + struct_name + "\");\n")
785 clone_str = "static inline " + struct_name + " " + struct_name.replace("LDK", "") + "_clone(const " + struct_name + " *orig) {\n"
786 clone_str = clone_str + "\t" + struct_name + " ret = {\n"
787 for idx, line in enumerate(field_lines):
788 if idx != 0 and idx < len(field_lines) - 2:
789 ty_info = type_mapping_generator.map_type(line.strip(';'), False, None, False, False)
790 e = chr(ord('a') + idx - 1)
791 if ty_info.arg_conv is not None:
792 write_c("\t" + ty_info.arg_conv.replace("\n", "\n\t"))
793 write_c("\n\tret->" + e + " = " + ty_info.arg_conv_name + ";\n")
795 write_c("\tret->" + e + " = " + e + ";\n")
796 if ty_info.arg_conv_cleanup is not None:
797 write_c("\t//TODO: Really need to call " + ty_info.arg_conv_cleanup + " here\n")
798 if not ty_info.is_native_primitive and (ty_info.rust_obj.replace("LDK", "") + "_clone") not in clone_fns:
800 elif can_clone and ty_info.is_native_primitive:
801 clone_str = clone_str + "\t\t." + chr(ord('a') + idx - 1) + " = orig->" + chr(ord('a') + idx - 1) + ",\n"
803 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"
804 write_c("\treturn (long)ret;\n")
808 clone_fns.add(struct_name.replace("LDK", "") + "_clone")
810 write_c("\t};\n\treturn ret;\n}\n")
812 for idx, ty_info in enumerate(ty_list):
813 e = chr(ord('a') + idx)
814 out_java.write("\tpublic static native " + ty_info.java_ty + " " + struct_name + "_get_" + e + "(long ptr);\n")
815 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")
816 write_c("\t" + struct_name + " *tuple = (" + struct_name + "*)ptr;\n")
817 conv_info = type_mapping_generator.map_type_with_info(ty_info, False, None, False, True)
818 if conv_info.ret_conv is not None:
819 write_c("\t" + conv_info.ret_conv[0].replace("\n", "\n\t") + "tuple->" + e + conv_info.ret_conv[1].replace("\n", "\n\t") + "\n")
820 write_c("\treturn " + conv_info.ret_conv_name + ";\n")
822 write_c("\treturn tuple->" + e + ";\n")
825 out_java.write(consts.bindings_header)
827 with open(f"{sys.argv[3]}/structs/CommonBase{consts.file_ext}", "w") as out_java_struct:
828 out_java_struct.write(consts.common_base)
830 in_block_comment = False
833 const_val_regex = re.compile("^extern const ([A-Za-z_0-9]*) ([A-Za-z_0-9]*);$")
835 line_indicates_result_regex = re.compile("^ union (LDKCResult_[A-Za-z_0-9]*Ptr) contents;$")
836 line_indicates_vec_regex = re.compile("^ (struct |enum |union )?([A-Za-z_0-9]*) \*data;$")
837 line_indicates_opaque_regex = re.compile("^ bool is_owned;$")
838 line_indicates_trait_regex = re.compile("^ (struct |enum |union )?([A-Za-z_0-9]* \*?)\(\*([A-Za-z_0-9]*)\)\((const )?void \*this_arg(.*)\);$")
839 assert(line_indicates_trait_regex.match(" uintptr_t (*send_data)(void *this_arg, LDKu8slice data, bool resume_read);"))
840 assert(line_indicates_trait_regex.match(" struct LDKCVec_MessageSendEventZ (*get_and_clear_pending_msg_events)(const void *this_arg);"))
841 assert(line_indicates_trait_regex.match(" void *(*clone)(const void *this_arg);"))
842 assert(line_indicates_trait_regex.match(" struct LDKCVec_u8Z (*write)(const void *this_arg);"))
843 line_field_var_regex = re.compile("^ struct ([A-Za-z_0-9]*) ([A-Za-z_0-9]*);$")
844 assert(line_field_var_regex.match(" struct LDKMessageSendEventsProvider MessageSendEventsProvider;"))
845 assert(line_field_var_regex.match(" struct LDKChannelPublicKeys pubkeys;"))
846 struct_name_regex = re.compile("^typedef (struct|enum|union) (MUST_USE_STRUCT )?(LDK[A-Za-z_0-9]*) {$")
847 assert(struct_name_regex.match("typedef struct LDKCVec_u8Z {"))
848 assert(struct_name_regex.match("typedef enum LDKNetwork {"))
850 union_enum_items = {}
851 result_ptr_struct_items = {}
854 if line.endswith("*/\n"):
855 in_block_comment = False
856 elif cur_block_obj is not None:
857 cur_block_obj = cur_block_obj + line
858 if line.startswith("} "):
862 obj_lines = cur_block_obj.split("\n")
864 result_contents = None
865 is_unitary_enum = False
866 is_union_enum = False
872 for idx, struct_line in enumerate(obj_lines):
873 if struct_line.strip().startswith("/*"):
874 in_block_comment = True
876 if struct_line.endswith("*/"):
877 in_block_comment = False
879 struct_name_match = struct_name_regex.match(struct_line)
880 if struct_name_match is not None:
881 struct_name = struct_name_match.group(3)
882 if struct_name_match.group(1) == "enum":
883 if not struct_name.endswith("_Tag"):
884 is_unitary_enum = True
887 elif struct_name_match.group(1) == "union":
889 if line_indicates_opaque_regex.match(struct_line):
891 result_match = line_indicates_result_regex.match(struct_line)
892 if result_match is not None:
893 result_contents = result_match.group(1)
894 vec_ty_match = line_indicates_vec_regex.match(struct_line)
895 if vec_ty_match is not None and struct_name.startswith("LDKCVec_"):
896 vec_ty = vec_ty_match.group(2)
897 elif struct_name.startswith("LDKC2Tuple_") or struct_name.startswith("LDKC3Tuple_"):
899 trait_fn_match = line_indicates_trait_regex.match(struct_line)
900 if trait_fn_match is not None:
901 trait_fn_lines.append(trait_fn_match)
902 field_var_match = line_field_var_regex.match(struct_line)
903 if field_var_match is not None:
904 field_var_lines.append(field_var_match)
905 field_lines.append(struct_line)
907 assert(struct_name is not None)
908 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))
909 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))
910 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))
911 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))
912 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))
913 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))
914 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))
917 opaque_structs.add(struct_name)
918 with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "w") as out_java_struct:
919 out_opaque_struct_human = consts.map_opaque_struct(struct_name)
920 out_java_struct.write(out_opaque_struct_human)
921 elif result_contents is not None:
922 assert result_contents in result_ptr_struct_items
923 res_ty, err_ty = result_ptr_struct_items[result_contents]
924 map_result(struct_name, res_ty, err_ty)
925 elif struct_name.startswith("LDKCResult_") and struct_name.endswith("ZPtr"):
926 for line in field_lines:
927 if line.endswith("*result;"):
928 res_ty = line[:-8].strip()
929 elif line.endswith("*err;"):
930 err_ty = line[:-5].strip()
931 result_ptr_struct_items[struct_name] = (res_ty, err_ty)
932 result_types.add(struct_name[:-3])
934 map_tuple(struct_name, field_lines)
935 elif vec_ty is not None:
936 ty_info = type_mapping_generator.map_type(vec_ty + " arr_elem", False, None, False, False)
937 if len(ty_info.java_fn_ty_arg) == 1: # ie we're a primitive of some form
938 out_java.write("\tpublic static native long " + struct_name + "_new(" + ty_info.java_ty + "[] elems);\n")
939 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")
940 write_c("\t" + struct_name + " *ret = MALLOC(sizeof(" + struct_name + "), \"" + struct_name + "\");\n")
941 write_c("\tret->datalen = " + consts.get_native_arr_len_call[0] + "elems" + consts.get_native_arr_len_call[1] + ";\n")
942 write_c("\tif (ret->datalen == 0) {\n")
943 write_c("\t\tret->data = NULL;\n")
944 write_c("\t} else {\n")
945 write_c("\t\tret->data = MALLOC(sizeof(" + vec_ty + ") * ret->datalen, \"" + struct_name + " Data\");\n")
946 native_arr_ptr_call = consts.get_native_arr_ptr_call(ty_info.ty_info)
947 write_c("\t\t" + ty_info.c_ty + " *java_elems = " + native_arr_ptr_call[0] + "elems" + native_arr_ptr_call[1] + ";\n")
948 write_c("\t\tfor (size_t i = 0; i < ret->datalen; i++) {\n")
949 if ty_info.arg_conv is not None:
950 write_c("\t\t\t" + ty_info.c_ty + " arr_elem = java_elems[i];\n")
951 write_c("\t\t\t" + ty_info.arg_conv.replace("\n", "\n\t\t\t") + "\n")
952 write_c("\t\t\tret->data[i] = " + ty_info.arg_conv_name + ";\n")
953 assert ty_info.arg_conv_cleanup is None
955 write_c("\t\t\tret->data[i] = java_elems[i];\n")
957 cleanup = consts.release_native_arr_ptr_call(ty_info.ty_info, "elems", "java_elems")
958 if cleanup is not None:
959 write_c("\t\t" + cleanup + ";\n")
961 write_c("\treturn (long)ret;\n")
964 if ty_info.is_native_primitive:
965 clone_fns.add(struct_name.replace("LDK", "") + "_clone")
966 write_c("static inline " + struct_name + " " + struct_name.replace("LDK", "") + "_clone(const " + struct_name + " *orig) {\n")
967 write_c("\t" + struct_name + " ret = { .data = MALLOC(sizeof(" + ty_info.c_ty + ") * orig->datalen, \"" + struct_name + " clone bytes\"), .datalen = orig->datalen };\n")
968 write_c("\tmemcpy(ret.data, orig->data, sizeof(" + ty_info.c_ty + ") * ret.datalen);\n")
969 write_c("\treturn ret;\n}\n")
970 elif (ty_info.rust_obj.replace("LDK", "") + "_clone") in clone_fns:
971 ty_name = "CVec_" + ty_info.rust_obj.replace("LDK", "") + "Z";
972 clone_fns.add(ty_name + "_clone")
973 write_c("static inline " + struct_name + " " + ty_name + "_clone(const " + struct_name + " *orig) {\n")
974 write_c("\t" + struct_name + " ret = { .data = MALLOC(sizeof(" + ty_info.rust_obj + ") * orig->datalen, \"" + struct_name + " clone bytes\"), .datalen = orig->datalen };\n")
975 write_c("\tfor (size_t i = 0; i < ret.datalen; i++) {\n")
976 write_c("\t\tret.data[i] = " + ty_info.rust_obj.replace("LDK", "") + "_clone(&orig->data[i]);\n")
977 write_c("\t}\n\treturn ret;\n}\n")
979 assert(struct_name.endswith("_Tag"))
980 struct_name = struct_name[:-4]
981 union_enum_items[struct_name] = {"field_lines": field_lines}
982 elif struct_name.endswith("_Body") and struct_name.split("_")[0] in union_enum_items:
983 enum_var_name = struct_name.split("_")
984 union_enum_items[enum_var_name[0]][enum_var_name[1]] = field_lines
985 elif struct_name in union_enum_items:
986 map_complex_enum(struct_name, union_enum_items[struct_name])
987 elif is_unitary_enum:
988 map_unitary_enum(struct_name, field_lines)
989 elif len(trait_fn_lines) > 0:
990 trait_structs.add(struct_name)
991 map_trait(struct_name, field_var_lines, trait_fn_lines)
992 elif struct_name == "LDKTxOut":
993 with open(f"{sys.argv[3]}/structs/TxOut{consts.file_ext}", "w") as out_java_struct:
994 out_java_struct.write(consts.hu_struct_file_prefix)
995 out_java_struct.write("public class TxOut extends CommonBase{\n")
996 out_java_struct.write("\tTxOut(java.lang.Object _dummy, long ptr) { super(ptr); }\n")
997 out_java_struct.write("\tlong to_c_ptr() { return 0; }\n")
998 out_java_struct.write("\t@Override @SuppressWarnings(\"deprecation\")\n")
999 out_java_struct.write("\tprotected void finalize() throws Throwable {\n")
1000 out_java_struct.write("\t\tsuper.finalize();\n")
1001 out_java_struct.write("\t\tif (ptr != 0) { bindings.TxOut_free(ptr); }\n")
1002 out_java_struct.write("\t}\n")
1004 out_java_struct.write("}")
1006 pass # Everything remaining is a byte[] or some form
1007 cur_block_obj = None
1009 fn_ptr = fn_ptr_regex.match(line)
1010 fn_ret_arr = fn_ret_arr_regex.match(line)
1011 reg_fn = reg_fn_regex.match(line)
1012 const_val = const_val_regex.match(line)
1014 if line.startswith("#include <"):
1016 elif line.startswith("/*"):
1017 #out_java.write("\t" + line)
1018 if not line.endswith("*/\n"):
1019 in_block_comment = True
1020 elif line.startswith("typedef enum "):
1021 cur_block_obj = line
1022 elif line.startswith("typedef struct "):
1023 cur_block_obj = line
1024 elif line.startswith("typedef union "):
1025 cur_block_obj = line
1026 elif fn_ptr is not None:
1027 map_fn(line, fn_ptr, None, None)
1028 elif fn_ret_arr is not None:
1029 map_fn(line, fn_ret_arr, fn_ret_arr.group(4), None)
1030 elif reg_fn is not None:
1031 map_fn(line, reg_fn, None, None)
1032 elif const_val_regex is not None:
1033 # TODO Map const variables
1036 assert(line == "\n")
1038 out_java.write("}\n")
1039 for struct_name in opaque_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 trait_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 with open(sys.argv[4], "w") as out_c:
1046 out_c.write(consts.c_file_pfx)
1047 out_c.write(consts.init_str())