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")
16 if sys.argv[6] == "java":
17 from java_strings import Consts
18 elif sys.argv[6] == "typescript":
19 from typescript_strings import Consts
21 print("Only java or typescript can be set for lang")
23 consts = Consts(DEBUG)
25 from bindingstypes import *
32 def camel_to_snake(s):
33 # Convert camel case to snake case, in a way that appears to match cbindgen
39 if lastchar.isupper():
40 if not char.isupper() and not lastund:
45 ret = ret + lastchar.lower()
48 if char.isupper() and not lastund:
56 return (ret + lastchar.lower()).strip("_")
60 opaque_structs = set()
65 var_is_arr_regex = re.compile("\(\*([A-za-z0-9_]*)\)\[([a-z0-9]*)\]")
66 var_ty_regex = re.compile("([A-za-z_0-9]*)(.*)")
67 java_c_types_none_allowed = True # Unset when we do the real pass that populates the above sets
68 def java_c_types(fn_arg, ret_arr_len):
69 fn_arg = fn_arg.strip()
70 if fn_arg.startswith("MUST_USE_RES "):
73 if fn_arg.startswith("const "):
76 if fn_arg.startswith("struct "):
78 if fn_arg.startswith("enum "):
80 fn_arg = fn_arg.replace("NONNULL_PTR", "")
87 if fn_arg.startswith("LDKThirtyTwoBytes"):
88 fn_arg = "uint8_t (*" + fn_arg[18:] + ")[32]"
89 assert var_is_arr_regex.match(fn_arg[8:])
90 rust_obj = "LDKThirtyTwoBytes"
92 elif fn_arg.startswith("LDKPublicKey"):
93 fn_arg = "uint8_t (*" + fn_arg[13:] + ")[33]"
94 assert var_is_arr_regex.match(fn_arg[8:])
95 rust_obj = "LDKPublicKey"
96 arr_access = "compressed_form"
97 elif fn_arg.startswith("LDKSecretKey"):
98 fn_arg = "uint8_t (*" + fn_arg[13:] + ")[32]"
99 assert var_is_arr_regex.match(fn_arg[8:])
100 rust_obj = "LDKSecretKey"
102 elif fn_arg.startswith("LDKSignature"):
103 fn_arg = "uint8_t (*" + fn_arg[13:] + ")[64]"
104 assert var_is_arr_regex.match(fn_arg[8:])
105 rust_obj = "LDKSignature"
106 arr_access = "compact_form"
107 elif fn_arg.startswith("LDKThreeBytes"):
108 fn_arg = "uint8_t (*" + fn_arg[14:] + ")[3]"
109 assert var_is_arr_regex.match(fn_arg[8:])
110 rust_obj = "LDKThreeBytes"
112 elif fn_arg.startswith("LDKFourBytes"):
113 fn_arg = "uint8_t (*" + fn_arg[13:] + ")[4]"
114 assert var_is_arr_regex.match(fn_arg[8:])
115 rust_obj = "LDKFourBytes"
117 elif fn_arg.startswith("LDKSixteenBytes"):
118 fn_arg = "uint8_t (*" + fn_arg[16:] + ")[16]"
119 assert var_is_arr_regex.match(fn_arg[8:])
120 rust_obj = "LDKSixteenBytes"
122 elif fn_arg.startswith("LDKTenBytes"):
123 fn_arg = "uint8_t (*" + fn_arg[12:] + ")[10]"
124 assert var_is_arr_regex.match(fn_arg[8:])
125 rust_obj = "LDKTenBytes"
127 elif fn_arg.startswith("LDKu8slice"):
128 fn_arg = "uint8_t (*" + fn_arg[11:] + ")[datalen]"
129 assert var_is_arr_regex.match(fn_arg[8:])
130 rust_obj = "LDKu8slice"
132 elif fn_arg.startswith("LDKCVec_u8Z"):
133 fn_arg = "uint8_t (*" + fn_arg[12:] + ")[datalen]"
134 rust_obj = "LDKCVec_u8Z"
135 assert var_is_arr_regex.match(fn_arg[8:])
137 elif fn_arg.startswith("LDKTransaction"):
138 fn_arg = "uint8_t (*" + fn_arg[15:] + ")[datalen]"
139 rust_obj = "LDKTransaction"
140 assert var_is_arr_regex.match(fn_arg[8:])
142 elif fn_arg.startswith("LDKCVec_"):
145 fn_arg = fn_arg.replace("*", "")
148 tyn = fn_arg[8:].split(" ")
149 assert tyn[0].endswith("Z")
153 new_arg = "LDK" + tyn[0][:-1]
155 new_arg = new_arg + " " + a
156 res = java_c_types(new_arg, ret_arr_len)
158 assert java_c_types_none_allowed
161 res.pass_by_ref = True
162 if res.is_native_primitive or res.passed_as_ptr:
163 return TypeInfo(rust_obj=fn_arg.split(" ")[0], java_ty=res.java_ty + "[]", java_hu_ty=res.java_hu_ty + "[]",
164 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,
165 var_name=res.var_name, arr_len="datalen", arr_access="data", subty=res, is_native_primitive=False)
167 return TypeInfo(rust_obj=fn_arg.split(" ")[0], java_ty=res.java_ty + "[]", java_hu_ty=res.java_hu_ty + "[]",
168 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,
169 var_name=res.var_name, arr_len="datalen", arr_access="data", subty=res, is_native_primitive=False)
173 if fn_arg.startswith("void"):
177 fn_arg = fn_arg[4:].strip()
179 elif fn_arg.startswith("bool"):
183 fn_arg = fn_arg[4:].strip()
185 elif fn_arg.startswith("uint8_t"):
189 fn_arg = fn_arg[7:].strip()
191 elif fn_arg.startswith("uint16_t"):
195 fn_arg = fn_arg[8:].strip()
197 elif fn_arg.startswith("uint32_t"):
201 fn_arg = fn_arg[8:].strip()
203 elif fn_arg.startswith("uint64_t") or fn_arg.startswith("uintptr_t"):
204 # TODO: uintptr_t is arch-dependent :(
208 if fn_arg.startswith("uint64_t"):
209 fn_arg = fn_arg[8:].strip()
211 fn_arg = fn_arg[9:].strip()
213 elif is_const and fn_arg.startswith("char *"):
216 fn_ty_arg = "Ljava/lang/String;"
217 fn_arg = fn_arg[6:].strip()
218 elif fn_arg.startswith("LDKStr"):
221 fn_ty_arg = "Ljava/lang/String;"
222 fn_arg = fn_arg[6:].strip()
226 ma = var_ty_regex.match(fn_arg)
227 if ma.group(1).strip() in unitary_enums:
228 java_ty = ma.group(1).strip()
229 c_ty = consts.result_c_ty
230 fn_ty_arg = "Lorg/ldk/enums/" + ma.group(1).strip() + ";"
231 fn_arg = ma.group(2).strip()
232 rust_obj = ma.group(1).strip()
233 elif ma.group(1).strip().startswith("LDKC2Tuple"):
234 c_ty = consts.ptr_c_ty
235 java_ty = consts.ptr_native_ty
236 java_hu_ty = "TwoTuple<"
237 if not ma.group(1).strip() in tuple_types:
238 assert java_c_types_none_allowed
240 for idx, ty_info in enumerate(tuple_types[ma.group(1).strip()][0]):
242 java_hu_ty = java_hu_ty + ", "
243 if ty_info.is_native_primitive:
244 if ty_info.java_hu_ty == "int":
245 java_hu_ty = java_hu_ty + "Integer" # Java concrete integer type is Integer, not Int
247 java_hu_ty = java_hu_ty + ty_info.java_hu_ty.title() # If we're a primitive, capitalize the first letter
249 java_hu_ty = java_hu_ty + ty_info.java_hu_ty
250 java_hu_ty = java_hu_ty + ">"
252 fn_arg = ma.group(2).strip()
253 rust_obj = ma.group(1).strip()
255 elif ma.group(1).strip().startswith("LDKC3Tuple"):
256 c_ty = consts.ptr_c_ty
257 java_ty = consts.ptr_native_ty
258 java_hu_ty = "ThreeTuple<"
259 if not ma.group(1).strip() in tuple_types:
260 assert java_c_types_none_allowed
262 for idx, ty_info in enumerate(tuple_types[ma.group(1).strip()][0]):
264 java_hu_ty = java_hu_ty + ", "
265 if ty_info.is_native_primitive:
266 if ty_info.java_hu_ty == "int":
267 java_hu_ty = java_hu_ty + "Integer" # Java concrete integer type is Integer, not Int
269 java_hu_ty = java_hu_ty + ty_info.java_hu_ty.title() # If we're a primitive, capitalize the first letter
271 java_hu_ty = java_hu_ty + ty_info.java_hu_ty
272 java_hu_ty = java_hu_ty + ">"
274 fn_arg = ma.group(2).strip()
275 rust_obj = ma.group(1).strip()
278 c_ty = consts.ptr_c_ty
279 java_ty = consts.ptr_native_ty
280 java_hu_ty = ma.group(1).strip().replace("LDKCResult", "Result").replace("LDK", "")
282 fn_arg = ma.group(2).strip()
283 rust_obj = ma.group(1).strip()
286 if fn_arg.startswith(" *") or fn_arg.startswith("*"):
287 fn_arg = fn_arg.replace("*", "").strip()
289 c_ty = consts.ptr_c_ty
290 java_ty = consts.ptr_native_ty
294 var_is_arr = var_is_arr_regex.match(fn_arg)
295 if var_is_arr is not None or ret_arr_len is not None:
296 assert(not take_by_ptr)
298 java_ty = java_ty + "[]"
299 c_ty = c_ty + "Array"
300 if var_is_arr is not None:
301 if var_is_arr.group(1) == "":
302 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,
303 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)
304 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,
305 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)
307 if java_hu_ty is None:
309 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,
310 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)
312 fn_ptr_regex = re.compile("^extern const ([A-Za-z_0-9\* ]*) \(\*(.*)\)\((.*)\);$")
313 fn_ret_arr_regex = re.compile("(.*) \(\*(.*)\((.*)\)\)\[([0-9]*)\];$")
314 reg_fn_regex = re.compile("([A-Za-z_0-9\* ]* \*?)([a-zA-Z_0-9]*)\((.*)\);$")
317 c_array_class_caches = set()
318 with open(sys.argv[1]) as in_h:
320 reg_fn = reg_fn_regex.match(line)
321 if reg_fn is not None:
322 if reg_fn.group(2).endswith("_clone"):
323 clone_fns.add(reg_fn.group(2))
325 rty = java_c_types(reg_fn.group(1), None)
326 if rty is not None and rty.rust_obj is not None and reg_fn.group(2) == rty.java_hu_ty + "_new":
327 constructor_fns[rty.rust_obj] = reg_fn.group(3)
329 arr_fn = fn_ret_arr_regex.match(line)
330 if arr_fn is not None:
331 if arr_fn.group(2).endswith("_clone"):
332 clone_fns.add(arr_fn.group(2))
333 # No object constructors return arrays, as then they wouldn't be an object constructor
336 # Define some manual clones...
337 clone_fns.add("ThirtyTwoBytes_clone")
338 write_c("static inline struct LDKThirtyTwoBytes ThirtyTwoBytes_clone(const struct LDKThirtyTwoBytes *orig) { struct LDKThirtyTwoBytes ret; memcpy(ret.data, orig->data, 32); return ret; }\n")
340 java_c_types_none_allowed = False # C structs created by cbindgen are declared in dependency order
342 with open(sys.argv[1]) as in_h, open(sys.argv[2], "w") as out_java:
343 def map_type(fn_arg, print_void, ret_arr_len, is_free, holds_ref):
344 ty_info = java_c_types(fn_arg, ret_arr_len)
345 return map_type_with_info(ty_info, print_void, ret_arr_len, is_free, holds_ref)
347 def map_type_with_info(ty_info, print_void, ret_arr_len, is_free, holds_ref):
348 if ty_info.c_ty == "void":
350 return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
351 arg_conv = None, arg_conv_name = None, arg_conv_cleanup = None,
352 ret_conv = None, ret_conv_name = None, to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None)
353 if ty_info.c_ty.endswith("Array"):
354 arr_len = ty_info.arr_len
355 if arr_len is not None:
356 arr_name = ty_info.var_name
359 arr_len = ret_arr_len
360 if ty_info.c_ty == "int8_tArray":
361 (set_pfx, set_sfx) = consts.set_native_arr_contents(arr_name + "_arr", arr_len, ty_info)
362 ret_conv = ("int8_tArray " + arr_name + "_arr = " + consts.create_native_arr_call(arr_len, ty_info) + ";\n" + set_pfx, "")
363 arg_conv_cleanup = None
364 if not arr_len.isdigit():
365 arg_conv = ty_info.rust_obj + " " + arr_name + "_ref;\n"
366 arg_conv = arg_conv + arr_name + "_ref." + arr_len + " = " + consts.get_native_arr_len_call[0] + arr_name + consts.get_native_arr_len_call[1] + ";\n"
367 if (not ty_info.is_ptr or not holds_ref) and ty_info.rust_obj != "LDKu8slice":
368 arg_conv = arg_conv + arr_name + "_ref." + ty_info.arr_access + " = MALLOC(" + arr_name + "_ref." + arr_len + ", \"" + ty_info.rust_obj + " Bytes\");\n"
369 arg_conv = arg_conv + consts.get_native_arr_contents(arr_name, arr_name + "_ref." + ty_info.arr_access, arr_name + "_ref." + arr_len, ty_info, True) + ";"
371 arg_conv = arg_conv + arr_name + "_ref." + ty_info.arr_access + " = " + consts.get_native_arr_contents(arr_name, "NO_DEST", arr_name + "_ref." + arr_len, ty_info, False) + ";"
372 arg_conv_cleanup = consts.cleanup_native_arr_ref_contents(arr_name, arr_name + "_ref." + ty_info.arr_access, arr_name + "_ref." + arr_len, ty_info)
373 if ty_info.rust_obj == "LDKTransaction":
374 arg_conv = arg_conv + "\n" + arr_name + "_ref.data_is_owned = " + str(holds_ref).lower() + ";"
375 ret_conv = (ty_info.rust_obj + " " + arr_name + "_var = ", "")
376 ret_conv = (ret_conv[0], ";\nint8_tArray " + arr_name + "_arr = " + consts.create_native_arr_call(arr_name + "_var." + arr_len, ty_info) + ";\n")
377 (pfx, sfx) = consts.set_native_arr_contents(arr_name + "_arr", arr_name + "_var." + arr_len, ty_info)
378 ret_conv = (ret_conv[0], ret_conv[1] + pfx + arr_name + "_var." + ty_info.arr_access + sfx + ";")
379 if not holds_ref and ty_info.rust_obj != "LDKu8slice":
380 ret_conv = (ret_conv[0], ret_conv[1] + "\n" + ty_info.rust_obj.replace("LDK", "") + "_free(" + arr_name + "_var);")
381 elif ty_info.rust_obj is not None:
382 arg_conv = ty_info.rust_obj + " " + arr_name + "_ref;\n"
383 arg_conv = arg_conv + "CHECK(" + consts.get_native_arr_len_call[0] + arr_name + consts.get_native_arr_len_call[1] + " == " + arr_len + ");\n"
384 arg_conv = arg_conv + consts.get_native_arr_contents(arr_name, arr_name + "_ref." + ty_info.arr_access, arr_len, ty_info, True) + ";"
385 ret_conv = (ret_conv[0], "." + ty_info.arr_access + set_sfx + ";")
387 arg_conv = "unsigned char " + arr_name + "_arr[" + arr_len + "];\n"
388 arg_conv = arg_conv + "CHECK(" + consts.get_native_arr_len_call[0] + arr_name + consts.get_native_arr_len_call[1] + " == " + arr_len + ");\n"
389 arg_conv = arg_conv + consts.get_native_arr_contents(arr_name, arr_name + "_arr", arr_len, ty_info, True) + ";\n"
390 arg_conv = arg_conv + "unsigned char (*" + arr_name + "_ref)[" + arr_len + "] = &" + arr_name + "_arr;"
391 ret_conv = (ret_conv[0] + "*", set_sfx + ";")
392 return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
393 arg_conv = arg_conv, arg_conv_name = arr_name + "_ref", arg_conv_cleanup = arg_conv_cleanup,
394 ret_conv = ret_conv, ret_conv_name = arr_name + "_arr", to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None)
396 assert not arr_len.isdigit() # fixed length arrays not implemented
397 assert ty_info.java_ty[len(ty_info.java_ty) - 2:] == "[]"
398 conv_name = "arr_conv_" + str(len(ty_info.java_hu_ty))
399 idxc = chr(ord('a') + (len(ty_info.java_hu_ty) % 26))
400 ty_info.subty.var_name = conv_name
401 #XXX: We'd really prefer to only ever set to False, avoiding lots of clone, but need smarter free logic
402 #if ty_info.is_ptr or holds_ref:
403 # ty_info.subty.requires_clone = False
404 ty_info.subty.requires_clone = not ty_info.is_ptr or not holds_ref
405 subty = map_type_with_info(ty_info.subty, False, None, is_free, holds_ref)
408 arg_conv = ty_info.rust_obj + " " + arr_name + "_constr;\n"
409 arg_conv = arg_conv + arr_name + "_constr." + arr_len + " = " + consts.get_native_arr_len_call[0] + arr_name + consts.get_native_arr_len_call[1] + ";\n"
410 arg_conv = arg_conv + "if (" + arr_name + "_constr." + arr_len + " > 0)\n"
411 if subty.rust_obj is None:
414 szof = subty.rust_obj
415 arg_conv = arg_conv + "\t" + arr_name + "_constr." + ty_info.arr_access + " = MALLOC(" + arr_name + "_constr." + arr_len + " * sizeof(" + szof + "), \"" + ty_info.rust_obj + " Elements\");\n"
416 arg_conv = arg_conv + "else\n"
417 arg_conv = arg_conv + "\t" + arr_name + "_constr." + ty_info.arr_access + " = NULL;\n"
418 get_arr = consts.get_native_arr_contents(arr_name, "NO_DEST", arr_name + "_constr." + arr_len, ty_info, False)
420 arg_conv = arg_conv + subty.c_ty + "* " + arr_name + "_vals = " + get_arr + ";\n"
421 arg_conv = arg_conv + "for (size_t " + idxc + " = 0; " + idxc + " < " + arr_name + "_constr." + arr_len + "; " + idxc + "++) {\n"
423 arg_conv = arg_conv + "\t" + subty.c_ty + " " + conv_name + " = " + arr_name + "_vals[" + idxc + "];"
424 if subty.arg_conv is not None:
425 arg_conv = arg_conv + "\n\t" + subty.arg_conv.replace("\n", "\n\t")
427 arg_conv = arg_conv + "\t" + subty.c_ty + " " + conv_name + " = " + consts.get_native_arr_elem(arr_name, idxc, ty_info) + ";\n"
428 arg_conv = arg_conv + "\t" + subty.arg_conv.replace("\n", "\n\t")
429 arg_conv = arg_conv + "\n\t" + arr_name + "_constr." + ty_info.arr_access + "[" + idxc + "] = " + subty.arg_conv_name + ";\n}"
431 cleanup = consts.cleanup_native_arr_ref_contents(arr_name, arr_name + "_vals", arr_name + "_constr." + arr_len, ty_info)
432 if cleanup is not None:
433 arg_conv = arg_conv + "\n" + cleanup + ";"
435 arg_conv_name = "&" + arr_name + "_constr"
437 arg_conv_name = arr_name + "_constr"
438 arg_conv_cleanup = None
440 arg_conv_cleanup = "FREE(" + arr_name + "_constr." + ty_info.arr_access + ");"
442 if arr_name == "arg":
444 ret_conv = (ty_info.rust_obj + " " + arr_name + "_var = ", "")
445 if subty.ret_conv is None:
446 ret_conv = ("DUMMY", "DUMMY")
447 elif not ty_info.java_ty[:len(ty_info.java_ty) - 2].endswith("[]"):
448 ret_conv = (ret_conv[0], ";\n" + ty_info.c_ty + " " + arr_name + "_arr = " + consts.create_native_arr_call(arr_name + "_var." + arr_len, ty_info) + ";\n")
449 ret_conv = (ret_conv[0], ret_conv[1] + subty.c_ty + " *" + arr_name + "_arr_ptr = " + consts.get_native_arr_ptr_call[0] + arr_name + "_arr" + consts.get_native_arr_ptr_call[1] + ";\n")
450 ret_conv = (ret_conv[0], ret_conv[1] + "for (size_t " + idxc + " = 0; " + idxc + " < " + arr_name + "_var." + arr_len + "; " + idxc + "++) {\n")
451 ret_conv = (ret_conv[0], ret_conv[1] + "\t" + subty.ret_conv[0].replace("\n", "\n\t"))
452 ret_conv = (ret_conv[0], ret_conv[1] + arr_name + "_var." + ty_info.arr_access + "[" + idxc + "]" + subty.ret_conv[1].replace("\n", "\n\t"))
453 ret_conv = (ret_conv[0], ret_conv[1] + "\n\t" + arr_name + "_arr_ptr[" + idxc + "] = " + subty.ret_conv_name + ";\n}")
454 cleanup = consts.release_native_arr_ptr_call(arr_name + "_arr", arr_name + "_arr_ptr")
455 if cleanup is not None:
456 ret_conv = (ret_conv[0], ret_conv[1] + "\n" + cleanup + ";")
458 assert ty_info.java_fn_ty_arg.startswith("[")
459 clz_var = ty_info.java_fn_ty_arg[1:].replace("[", "arr_of_")
460 c_array_class_caches.add(clz_var)
461 ret_conv = (ret_conv[0], ";\n" + ty_info.c_ty + " " + arr_name + "_arr = (*env)->NewObjectArray(env, " + arr_name + "_var." + arr_len + ", " + clz_var + "_clz, NULL);\n")
462 ret_conv = (ret_conv[0], ret_conv[1] + "for (size_t " + idxc + " = 0; " + idxc + " < " + arr_name + "_var." + arr_len + "; " + idxc + "++) {\n")
463 ret_conv = (ret_conv[0], ret_conv[1] + "\t" + subty.ret_conv[0].replace("\n", "\n\t"))
464 ret_conv = (ret_conv[0], ret_conv[1] + arr_name + "_var." + ty_info.arr_access + "[" + idxc + "]" + subty.ret_conv[1].replace("\n", "\n\t"))
465 ret_conv = (ret_conv[0], ret_conv[1] + "\n\t(*env)->SetObjectArrayElement(env, " + arr_name + "_arr, " + idxc + ", " + subty.ret_conv_name + ");\n")
466 ret_conv = (ret_conv[0], ret_conv[1] + "}")
468 # XXX: The commented if's are a bit smarter freeing, but we need to be a nudge smarter still
469 # Note that we don't drop the full vec here - we're passing ownership to java (or have cloned) or free'd by now!
470 ret_conv = (ret_conv[0], ret_conv[1] + "\nFREE(" + arr_name + "_var." + ty_info.arr_access + ");")
471 #if subty.rust_obj is not None and subty.rust_obj in opaque_structs:
472 # ret_conv = (ret_conv[0], ret_conv[1] + "\nFREE(" + arr_name + "_var." + ty_info.arr_access + ");")
474 # ret_conv = (ret_conv[0], ret_conv[1] + "\n" + ty_info.rust_obj.replace("LDK", "") + "_free(" + arr_name + "_var);")
477 to_hu_conv_name = None
478 if subty.to_hu_conv is not None:
479 to_hu_conv = ty_info.java_hu_ty + " " + conv_name + "_arr = new " + ty_info.subty.java_hu_ty.split("<")[0] + "[" + arr_name + ".length];\n"
480 to_hu_conv = to_hu_conv + "for (int " + idxc + " = 0; " + idxc + " < " + arr_name + ".length; " + idxc + "++) {\n"
481 to_hu_conv = to_hu_conv + "\t" + subty.java_ty + " " + conv_name + " = " + arr_name + "[" + idxc + "];\n"
482 to_hu_conv = to_hu_conv + "\t" + subty.to_hu_conv.replace("\n", "\n\t") + "\n"
483 to_hu_conv = to_hu_conv + "\t" + conv_name + "_arr[" + idxc + "] = " + subty.to_hu_conv_name + ";\n}"
484 to_hu_conv_name = conv_name + "_arr"
486 if subty.from_hu_conv is not None:
487 if subty.java_ty == "long" and subty.java_hu_ty != "long":
488 from_hu_conv = ("Arrays.stream(" + arr_name + ").mapToLong(" + conv_name + " -> " + subty.from_hu_conv[0] + ").toArray()", "/* TODO 2 " + subty.java_hu_ty + " */")
489 elif subty.java_ty == "long":
490 from_hu_conv = ("Arrays.stream(" + arr_name + ").map(" + conv_name + " -> " + subty.from_hu_conv[0] + ").toArray()", "/* TODO 2 " + subty.java_hu_ty + " */")
492 from_hu_conv = ("(" + ty_info.java_ty + ")Arrays.stream(" + arr_name + ").map(" + conv_name + " -> " + subty.from_hu_conv[0] + ").toArray()", "/* TODO 2 " + subty.java_hu_ty + " */")
494 return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
495 arg_conv = arg_conv, arg_conv_name = arg_conv_name, arg_conv_cleanup = arg_conv_cleanup,
496 ret_conv = ret_conv, ret_conv_name = arr_name + "_arr", to_hu_conv = to_hu_conv, to_hu_conv_name = to_hu_conv_name, from_hu_conv = from_hu_conv)
497 elif ty_info.java_ty == "String":
498 if ty_info.arr_access is None:
499 return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
500 arg_conv = None, arg_conv_name = None, arg_conv_cleanup = None,
501 ret_conv = ("jstring " + ty_info.var_name + "_conv = (*env)->NewStringUTF(env, ", ");"), ret_conv_name = ty_info.var_name + "_conv",
502 to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None)
504 return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
505 arg_conv = None, arg_conv_name = None, arg_conv_cleanup = None,
506 ret_conv = ("LDKStr " + ty_info.var_name + "_str = ",
507 ";\nchar* " + ty_info.var_name + "_buf = MALLOC(" + ty_info.var_name + "_str." + ty_info.arr_len + " + 1, \"str conv buf\");\n" +
508 "memcpy(" + ty_info.var_name + "_buf, " + ty_info.var_name + "_str." + ty_info.arr_access + ", " + ty_info.var_name + "_str." + ty_info.arr_len + ");\n" +
509 ty_info.var_name + "_buf[" + ty_info.var_name + "_str." + ty_info.arr_len + "] = 0;\n" +
510 "jstring " + ty_info.var_name + "_conv = (*env)->NewStringUTF(env, " + ty_info.var_name + "_str." + ty_info.arr_access + ");\n" +
511 "FREE(" + ty_info.var_name + "_buf);"),
512 ret_conv_name = ty_info.var_name + "_conv", to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None)
513 elif ty_info.var_name == "" and not print_void:
514 # We don't have a parameter name, and want one, just call it arg
515 if ty_info.rust_obj is not None:
516 assert(not is_free or ty_info.rust_obj not in opaque_structs)
517 return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
518 arg_conv = ty_info.rust_obj + " arg_conv = *(" + ty_info.rust_obj + "*)arg;\nFREE((void*)arg);",
519 arg_conv_name = "arg_conv", arg_conv_cleanup = None,
520 ret_conv = None, ret_conv_name = None, to_hu_conv = "TODO 7", to_hu_conv_name = None, from_hu_conv = None)
523 return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
524 arg_conv = None, arg_conv_name = "arg", arg_conv_cleanup = None,
525 ret_conv = None, ret_conv_name = None, to_hu_conv = "TODO 8", to_hu_conv_name = None, from_hu_conv = None)
526 elif ty_info.rust_obj is None:
527 return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
528 arg_conv = None, arg_conv_name = ty_info.var_name, arg_conv_cleanup = None,
529 ret_conv = None, ret_conv_name = None, to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None)
531 if ty_info.var_name == "":
532 ty_info.var_name = "ret"
534 if ty_info.rust_obj in opaque_structs:
535 opaque_arg_conv = ty_info.rust_obj + " " + ty_info.var_name + "_conv;\n"
536 opaque_arg_conv = opaque_arg_conv + ty_info.var_name + "_conv.inner = (void*)(" + ty_info.var_name + " & (~1));\n"
537 if ty_info.is_ptr and holds_ref:
538 opaque_arg_conv = opaque_arg_conv + ty_info.var_name + "_conv.is_owned = false;"
540 opaque_arg_conv = opaque_arg_conv + ty_info.var_name + "_conv.is_owned = (" + ty_info.var_name + " & 1) || (" + ty_info.var_name + " == 0);"
541 if not is_free and (not ty_info.is_ptr or not holds_ref or ty_info.requires_clone == True) and ty_info.requires_clone != False:
542 if (ty_info.rust_obj.replace("LDK", "") + "_clone") in clone_fns:
543 # TODO: This is a bit too naive, even with the checks above, we really need to know if rust wants a ref or not, not just if its pass as a ptr.
544 opaque_arg_conv = opaque_arg_conv + "\nif (" + ty_info.var_name + "_conv.inner != NULL)\n"
545 opaque_arg_conv = opaque_arg_conv + "\t" + ty_info.var_name + "_conv = " + ty_info.rust_obj.replace("LDK", "") + "_clone(&" + ty_info.var_name + "_conv);"
546 elif ty_info.passed_as_ptr:
547 opaque_arg_conv = opaque_arg_conv + "\n// Warning: we may need a move here but can't clone!"
549 opaque_ret_conv_suf = ";\n"
550 if not holds_ref and ty_info.is_ptr and (ty_info.rust_obj.replace("LDK", "") + "_clone") in clone_fns: # is_ptr, not holds_ref implies passing a pointed-to value to java, which needs copied
551 opaque_ret_conv_suf = opaque_ret_conv_suf + "if (" + ty_info.var_name + "->inner != NULL)\n"
552 opaque_ret_conv_suf = opaque_ret_conv_suf + "\t" + ty_info.var_name + "_var = " + ty_info.rust_obj.replace("LDK", "") + "_clone(" + ty_info.var_name + ");\n"
553 elif not holds_ref and ty_info.is_ptr:
554 opaque_ret_conv_suf = opaque_ret_conv_suf + "// Warning: we may need a move here but can't clone!\n"
556 opaque_ret_conv_suf = opaque_ret_conv_suf + "CHECK((((long)" + ty_info.var_name + "_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.\n"
557 opaque_ret_conv_suf = opaque_ret_conv_suf + "CHECK((((long)&" + ty_info.var_name + "_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.\n"
559 opaque_ret_conv_suf = opaque_ret_conv_suf + "long " + ty_info.var_name + "_ref = (long)" + ty_info.var_name + "_var.inner & ~1;"
561 opaque_ret_conv_suf = opaque_ret_conv_suf + "long " + ty_info.var_name + "_ref = (long)" + ty_info.var_name + "_var.inner;\n"
562 opaque_ret_conv_suf = opaque_ret_conv_suf + "if (" + ty_info.var_name + "_var.is_owned) {\n"
563 opaque_ret_conv_suf = opaque_ret_conv_suf + "\t" + ty_info.var_name + "_ref |= 1;\n"
564 opaque_ret_conv_suf = opaque_ret_conv_suf + "}"
567 return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
568 arg_conv = opaque_arg_conv, arg_conv_name = "&" + ty_info.var_name + "_conv", arg_conv_cleanup = None,
569 ret_conv = (ty_info.rust_obj + " " + ty_info.var_name + "_var = *", opaque_ret_conv_suf),
570 ret_conv_name = ty_info.var_name + "_ref",
571 to_hu_conv = ty_info.java_hu_ty + " " + ty_info.var_name + "_hu_conv = new " + ty_info.java_hu_ty + "(null, " + ty_info.var_name + ");",
572 to_hu_conv_name = ty_info.var_name + "_hu_conv",
573 from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".ptr & ~1", "this.ptrs_to.add(" + ty_info.var_name + ")"))
575 return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
576 arg_conv = opaque_arg_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
577 ret_conv = (ty_info.rust_obj + " " + ty_info.var_name + "_var = ", opaque_ret_conv_suf),
578 ret_conv_name = ty_info.var_name + "_ref",
579 to_hu_conv = ty_info.java_hu_ty + " " + ty_info.var_name + "_hu_conv = new " + ty_info.java_hu_ty + "(null, " + ty_info.var_name + ");",
580 to_hu_conv_name = ty_info.var_name + "_hu_conv",
581 from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".ptr & ~1", "this.ptrs_to.add(" + ty_info.var_name + ")"))
583 if not ty_info.is_ptr:
584 if ty_info.rust_obj in unitary_enums:
585 (ret_pfx, ret_sfx) = consts.c_unitary_enum_to_native_call(ty_info)
586 (arg_pfx, arg_sfx) = consts.native_unitary_enum_to_c_call(ty_info)
587 return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
588 arg_conv = ty_info.rust_obj + " " + ty_info.var_name + "_conv = " + arg_pfx + ty_info.var_name + arg_sfx + ";",
589 arg_conv_name = ty_info.var_name + "_conv",
590 arg_conv_cleanup = None,
591 ret_conv = (ty_info.c_ty + " " + ty_info.var_name + "_conv = " + ret_pfx, ret_sfx + ";"),
592 ret_conv_name = ty_info.var_name + "_conv", to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None)
593 base_conv = ty_info.rust_obj + " " + ty_info.var_name + "_conv = *(" + ty_info.rust_obj + "*)" + ty_info.var_name + ";"
594 if ty_info.rust_obj in trait_structs:
596 needs_full_clone = not is_free and (not ty_info.is_ptr and not holds_ref or ty_info.requires_clone == True) and ty_info.requires_clone != False
597 if needs_full_clone and (ty_info.rust_obj.replace("LDK", "") + "_clone") in clone_fns:
598 base_conv = base_conv + "\n" + ty_info.var_name + "_conv = " + ty_info.rust_obj.replace("LDK", "") + "_clone(" + ty_info.var_name + ");"
600 base_conv = base_conv + "\nif (" + ty_info.var_name + "_conv.free == " + ty_info.rust_obj + "_JCalls_free) {\n"
601 base_conv = base_conv + "\t// If this_arg is a JCalls struct, then we need to increment the refcnt in it.\n"
602 base_conv = base_conv + "\t" + ty_info.rust_obj + "_JCalls_clone(" + ty_info.var_name + "_conv.this_arg);\n}"
604 base_conv = base_conv + "// Warning: we may need a move here but can't do a full clone!\n"
607 base_conv = base_conv + "\n" + "FREE((void*)" + ty_info.var_name + ");"
608 return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
609 arg_conv = base_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
610 ret_conv = (ty_info.rust_obj + "* ret = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n*ret = ", ";"),
611 ret_conv_name = "(long)ret",
612 to_hu_conv = ty_info.java_hu_ty + " ret_hu_conv = new " + ty_info.java_hu_ty + "(null, " + ty_info.var_name + ");\nret_hu_conv.ptrs_to.add(this);",
613 to_hu_conv_name = "ret_hu_conv",
614 from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".ptr", "this.ptrs_to.add(" + ty_info.var_name + ")"))
615 if ty_info.rust_obj != "LDKu8slice":
616 # Don't bother free'ing slices passed in - Rust doesn't auto-free the
617 # underlying unlike Vecs, and it gives Java more freedom.
618 base_conv = base_conv + "\nFREE((void*)" + ty_info.var_name + ");";
619 if ty_info.rust_obj in complex_enums:
620 ret_conv = ("long " + ty_info.var_name + "_ref = (long)&", ";")
622 ret_conv = (ty_info.rust_obj + " *" + ty_info.var_name + "_copy = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n", "")
623 if ty_info.requires_clone == True: # Set in object array mapping
624 if (ty_info.rust_obj.replace("LDK", "") + "_clone") in clone_fns:
625 ret_conv = (ret_conv[0] + "*" + ty_info.var_name + "_copy = " + ty_info.rust_obj.replace("LDK", "") + "_clone(&", ");\n")
627 ret_conv = (ret_conv[0] + "*" + ty_info.var_name + "_copy = ", "; // XXX: We likely need to clone here, but no _clone fn is available!\n")
629 ret_conv = (ret_conv[0] + "*" + ty_info.var_name + "_copy = ", ";\n")
630 ret_conv = (ret_conv[0], ret_conv[1] + "long " + ty_info.var_name + "_ref = (long)" + ty_info.var_name + "_copy;")
631 return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
632 arg_conv = base_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
633 ret_conv = ret_conv, ret_conv_name = ty_info.var_name + "_ref",
634 to_hu_conv = ty_info.java_hu_ty + " " + ty_info.var_name + "_hu_conv = " + ty_info.java_hu_ty + ".constr_from_ptr(" + ty_info.var_name + ");\n" + ty_info.var_name + "_hu_conv.ptrs_to.add(this);",
635 to_hu_conv_name = ty_info.var_name + "_hu_conv", from_hu_conv = (ty_info.var_name + ".ptr", ""))
636 if ty_info.rust_obj in result_types:
638 # If we're trying to return a ref, we have to clone.
639 # We just blindly assume its implemented and let the compiler fail if its not.
640 ret_conv = (ty_info.rust_obj + "* " + ty_info.var_name + "_conv = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n*" + ty_info.var_name + "_conv = ", ";")
641 ret_conv = (ret_conv[0], ret_conv[1] + "\n*" + ty_info.var_name + "_conv = " + ty_info.rust_obj.replace("LDK", "") + "_clone(" + ty_info.var_name + "_conv);")
643 ret_conv = (ty_info.rust_obj + "* " + ty_info.var_name + "_conv = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n*" + ty_info.var_name + "_conv = ", ";")
644 return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
645 arg_conv = base_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
646 ret_conv = ret_conv, ret_conv_name = "(long)" + ty_info.var_name + "_conv",
647 to_hu_conv = ty_info.java_hu_ty + " " + ty_info.var_name + "_hu_conv = " + ty_info.java_hu_ty + ".constr_from_ptr(" + ty_info.var_name + ");",
648 to_hu_conv_name = ty_info.var_name + "_hu_conv", from_hu_conv = (ty_info.var_name + " != null ? " + ty_info.var_name + ".ptr : 0", ""))
649 if ty_info.rust_obj in tuple_types:
650 from_hu_conv = "bindings." + tuple_types[ty_info.rust_obj][1].replace("LDK", "") + "_new("
652 to_hu_conv_sfx = ty_info.java_hu_ty + " " + ty_info.var_name + "_conv = new " + ty_info.java_hu_ty + "("
654 for idx, conv in enumerate(tuple_types[ty_info.rust_obj][0]):
656 to_hu_conv_sfx = to_hu_conv_sfx + ", "
657 from_hu_conv = from_hu_conv + ", "
658 conv.var_name = ty_info.var_name + "_" + chr(idx + ord("a"))
659 conv_map = map_type_with_info(conv, False, None, is_free, holds_ref)
660 to_hu_conv_pfx = to_hu_conv_pfx + conv.java_ty + " " + ty_info.var_name + "_" + chr(idx + ord("a")) + " = " + "bindings." + tuple_types[ty_info.rust_obj][1] + "_get_" + chr(idx + ord("a")) + "(" + ty_info.var_name + ");\n"
661 if conv_map.to_hu_conv is not None:
662 to_hu_conv_pfx = to_hu_conv_pfx + conv_map.to_hu_conv + ";\n"
663 to_hu_conv_sfx = to_hu_conv_sfx + conv_map.to_hu_conv_name
665 to_hu_conv_sfx = to_hu_conv_sfx + ty_info.var_name + "_" + chr(idx + ord("a"))
666 if conv_map.from_hu_conv is not None:
667 from_hu_conv = from_hu_conv + conv_map.from_hu_conv[0].replace(ty_info.var_name + "_" + chr(idx + ord("a")), ty_info.var_name + "." + chr(idx + ord("a")))
668 if conv_map.from_hu_conv[1] != "":
669 from_hu_conv = from_hu_conv + "/*XXX: " + conv_map.from_hu_conv[1] + "*/"
671 from_hu_conv = from_hu_conv + ty_info.var_name + "." + chr(idx + ord("a"))
673 if conv.is_native_primitive:
675 elif (conv_map.rust_obj.replace("LDK", "") + "_clone") in clone_fns:
676 accessor = ty_info.var_name + "_ref->" + chr(idx + ord("a"))
677 clone_ret_str = clone_ret_str + "\n" + accessor + " = " + conv_map.rust_obj.replace("LDK", "") + "_clone(&" + accessor + ");"
679 clone_ret_str = clone_ret_str + "\n// XXX: We likely need to clone here, but no _clone fn is available for " + conv_map.java_hu_ty
680 if not ty_info.is_ptr and not holds_ref:
681 ret_conv = (ty_info.rust_obj + "* " + ty_info.var_name + "_ref = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n*" + ty_info.var_name + "_ref = ", ";")
682 if not is_free and (not ty_info.is_ptr and not holds_ref or ty_info.requires_clone == True) and ty_info.requires_clone != False:
683 ret_conv = (ret_conv[0], ret_conv[1] + clone_ret_str)
684 return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
685 arg_conv = base_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
687 ret_conv_name = "(long)" + ty_info.var_name + "_ref",
688 to_hu_conv = to_hu_conv_pfx + to_hu_conv_sfx + ");", to_hu_conv_name = ty_info.var_name + "_conv", from_hu_conv = (from_hu_conv + ")", ""))
689 return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
690 arg_conv = base_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
691 ret_conv = ("long " + ty_info.var_name + "_ref = (long)&", ";"), ret_conv_name = ty_info.var_name + "_ref",
692 to_hu_conv = to_hu_conv_pfx + to_hu_conv_sfx + ");", to_hu_conv_name = ty_info.var_name + "_conv", from_hu_conv = (from_hu_conv + ")", ""))
694 # The manually-defined types - TxOut and Transaction
695 assert ty_info.rust_obj == "LDKTxOut"
696 if not ty_info.is_ptr and not holds_ref:
697 ret_conv = ("LDKTxOut* " + ty_info.var_name + "_ref = MALLOC(sizeof(LDKTxOut), \"LDKTxOut\");\n*" + ty_info.var_name + "_ref = ", ";")
699 ret_conv = ("long " + ty_info.var_name + "_ref = (long)&", ";")
700 return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
701 arg_conv = base_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
702 ret_conv = ret_conv, ret_conv_name = "(long)" + ty_info.var_name + "_ref",
703 to_hu_conv = ty_info.java_hu_ty + " " + ty_info.var_name + "_conv = new " +ty_info.java_hu_ty + "(null, " + ty_info.var_name + ");",
704 to_hu_conv_name = ty_info.var_name + "_conv", from_hu_conv = (ty_info.var_name + ".ptr", ""))
707 if ty_info.rust_obj in complex_enums:
708 return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
709 arg_conv = ty_info.rust_obj + "* " + ty_info.var_name + "_conv = (" + ty_info.rust_obj + "*)" + ty_info.var_name + ";",
710 arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
711 ret_conv = ("long ret_" + ty_info.var_name + " = (long)", ";"), ret_conv_name = "ret_" + ty_info.var_name,
712 to_hu_conv = ty_info.java_hu_ty + " " + ty_info.var_name + "_hu_conv = " + ty_info.java_hu_ty + ".constr_from_ptr(" + ty_info.var_name + ");",
713 to_hu_conv_name = ty_info.var_name + "_hu_conv",
714 from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".ptr & ~1", "this.ptrs_to.add(" + ty_info.var_name + ")"))
715 elif ty_info.rust_obj in trait_structs:
716 if ty_info.rust_obj.replace("LDK", "") + "_clone" in clone_fns:
717 return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
718 arg_conv = ty_info.rust_obj + "* " + ty_info.var_name + "_conv = (" + ty_info.rust_obj + "*)" + ty_info.var_name + ";",
719 arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
720 ret_conv = (ty_info.rust_obj + " *" + ty_info.var_name + "_clone = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n" +
721 "*" + ty_info.var_name + "_clone = " + ty_info.rust_obj.replace("LDK", "") + "_clone(", ");"),
722 ret_conv_name = "(long)" + ty_info.var_name + "_clone",
723 to_hu_conv = ty_info.java_hu_ty + " ret_hu_conv = new " + ty_info.java_hu_ty + "(null, " + ty_info.var_name + ");\nret_hu_conv.ptrs_to.add(this);",
724 to_hu_conv_name = "ret_hu_conv",
725 from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".ptr", "this.ptrs_to.add(" + ty_info.var_name + ")"))
727 return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
728 arg_conv = ty_info.rust_obj + "* " + ty_info.var_name + "_conv = (" + ty_info.rust_obj + "*)" + ty_info.var_name + ";",
729 arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
730 ret_conv = ("long ret_" + ty_info.var_name + " = (long)", ";"), ret_conv_name = "ret_" + ty_info.var_name,
731 to_hu_conv = ty_info.java_hu_ty + " ret_hu_conv = new " + ty_info.java_hu_ty + "(null, " + ty_info.var_name + ");\nret_hu_conv.ptrs_to.add(this);",
732 to_hu_conv_name = "ret_hu_conv",
733 from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".ptr", "this.ptrs_to.add(" + ty_info.var_name + ")"))
734 return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
735 arg_conv = ty_info.rust_obj + "* " + ty_info.var_name + "_conv = (" + ty_info.rust_obj + "*)" + ty_info.var_name + ";",
736 arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
737 ret_conv = ("long ret_" + ty_info.var_name + " = (long)", ";"), ret_conv_name = "ret_" + ty_info.var_name,
738 to_hu_conv = "TODO 3", to_hu_conv_name = None, from_hu_conv = None) # its a pointer, no conv needed
739 assert False # We should have handled every case by now.
741 def map_fn(line, re_match, ret_arr_len, c_call_string):
742 out_java.write("\t// " + line)
743 out_java.write("\tpublic static native ")
744 write_c(consts.c_fn_ty_pfx)
746 is_free = re_match.group(2).endswith("_free")
747 struct_meth = re_match.group(2).split("_")[0]
749 ret_info = map_type(re_match.group(1), True, ret_arr_len, False, False)
750 write_c(ret_info.c_ty)
751 out_java.write(ret_info.java_ty)
753 if ret_info.ret_conv is not None:
754 ret_conv_pfx, ret_conv_sfx = ret_info.ret_conv
756 out_java.write(" " + re_match.group(2) + "(")
757 write_c(" " + consts.c_fn_name_pfx + re_match.group(2).replace('_', '_1') + "(" + consts.c_fn_args_pfx)
760 default_constructor_args = {}
763 for idx, arg in enumerate(re_match.group(3).split(',')):
768 arg_conv_info = map_type(arg, False, None, is_free, True)
769 if arg_conv_info.c_ty != "void":
770 write_c(arg_conv_info.c_ty + " " + arg_conv_info.arg_name)
771 out_java.write(arg_conv_info.java_ty + " " + arg_conv_info.arg_name)
772 if idx == 0 and arg_conv_info.java_hu_ty == struct_meth:
774 if arg_conv_info.arg_conv is not None and "Warning" in arg_conv_info.arg_conv:
775 if arg_conv_info.rust_obj in constructor_fns:
777 for explode_arg in constructor_fns[arg_conv_info.rust_obj].split(','):
778 explode_arg_conv = map_type(explode_arg, False, None, False, True)
779 if explode_arg_conv.c_ty == "void":
780 # We actually want to handle this case, but for now its only used in NetGraphMsgHandler::new()
781 # which ends up resulting in a redundant constructor - both without arguments for the NetworkGraph.
784 if not arg_conv_info.arg_name in default_constructor_args:
785 default_constructor_args[arg_conv_info.arg_name] = []
786 default_constructor_args[arg_conv_info.arg_name].append(explode_arg_conv)
787 arg_names.append(arg_conv_info)
789 out_java_struct = None
790 if ("LDK" + struct_meth in opaque_structs or "LDK" + struct_meth in trait_structs) and not is_free:
791 out_java_struct = open(f"{sys.argv[3]}/structs/{struct_meth}{consts.file_ext}", "a")
793 out_java_struct.write("\t// Skipped " + re_match.group(2) + "\n")
794 out_java_struct.close()
795 out_java_struct = None
797 meth_n = re_match.group(2)[len(struct_meth) + 1:]
799 out_java_struct.write("\tpublic static " + ret_info.java_hu_ty + " constructor_" + meth_n + "(")
801 out_java_struct.write("\tpublic " + ret_info.java_hu_ty + " " + meth_n + "(")
802 for idx, arg in enumerate(arg_names):
804 if not takes_self or idx > 1:
805 out_java_struct.write(", ")
808 if arg.java_ty != "void":
809 if arg.arg_name in default_constructor_args:
810 for explode_idx, explode_arg in enumerate(default_constructor_args[arg.arg_name]):
812 out_java_struct.write(", ")
813 out_java_struct.write(explode_arg.java_hu_ty + " " + arg.arg_name + "_" + explode_arg.arg_name)
815 out_java_struct.write(arg.java_hu_ty + " " + arg.arg_name)
818 out_java.write(");\n")
820 if out_java_struct is not None:
821 out_java_struct.write(") {\n")
823 for info in arg_names:
824 if info.arg_conv is not None:
825 write_c("\t" + info.arg_conv.replace('\n', "\n\t") + "\n")
827 if ret_info.ret_conv is not None:
828 write_c("\t" + ret_conv_pfx.replace('\n', '\n\t'))
829 elif ret_info.c_ty != "void":
830 write_c("\t" + ret_info.c_ty + " ret_val = ")
834 if c_call_string is None:
835 write_c(re_match.group(2) + "(")
837 write_c(c_call_string)
838 for idx, info in enumerate(arg_names):
839 if info.arg_conv_name is not None:
842 elif c_call_string is not None:
844 write_c(info.arg_conv_name)
846 if ret_info.ret_conv is not None:
847 write_c(ret_conv_sfx.replace('\n', '\n\t'))
850 for info in arg_names:
851 if info.arg_conv_cleanup is not None:
852 write_c("\n\t" + info.arg_conv_cleanup.replace("\n", "\n\t"))
853 if ret_info.ret_conv is not None:
854 write_c("\n\treturn " + ret_info.ret_conv_name + ";")
855 elif ret_info.c_ty != "void":
856 write_c("\n\treturn ret_val;")
858 if out_java_struct is not None:
859 out_java_struct.write("\t\t")
860 if ret_info.java_ty != "void":
861 out_java_struct.write(ret_info.java_ty + " ret = ")
862 out_java_struct.write("bindings." + re_match.group(2) + "(")
863 for idx, info in enumerate(arg_names):
865 out_java_struct.write(", ")
866 if idx == 0 and takes_self:
867 out_java_struct.write("this.ptr")
868 elif info.arg_name in default_constructor_args:
869 out_java_struct.write("bindings." + info.java_hu_ty + "_new(")
870 for explode_idx, explode_arg in enumerate(default_constructor_args[info.arg_name]):
872 out_java_struct.write(", ")
873 expl_arg_name = info.arg_name + "_" + explode_arg.arg_name
874 if explode_arg.from_hu_conv is not None:
875 out_java_struct.write(explode_arg.from_hu_conv[0].replace(explode_arg.arg_name, expl_arg_name))
877 out_java_struct.write(expl_arg_name)
878 out_java_struct.write(")")
879 elif info.from_hu_conv is not None:
880 out_java_struct.write(info.from_hu_conv[0])
882 out_java_struct.write(info.arg_name)
883 out_java_struct.write(");\n")
884 if ret_info.to_hu_conv is not None:
886 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")
888 out_java_struct.write("\t\t" + ret_info.to_hu_conv.replace("\n", "\n\t\t") + "\n")
890 for idx, info in enumerate(arg_names):
891 if idx == 0 and takes_self:
893 elif info.arg_name in default_constructor_args:
894 for explode_arg in default_constructor_args[info.arg_name]:
895 expl_arg_name = info.arg_name + "_" + explode_arg.arg_name
896 if explode_arg.from_hu_conv is not None and ret_info.to_hu_conv_name:
897 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")
898 elif info.from_hu_conv is not None and info.from_hu_conv[1] != "":
899 if not takes_self and ret_info.to_hu_conv_name is not None:
900 out_java_struct.write("\t\t" + info.from_hu_conv[1].replace("this", ret_info.to_hu_conv_name) + ";\n")
902 out_java_struct.write("\t\t" + info.from_hu_conv[1] + ";\n")
904 if ret_info.to_hu_conv_name is not None:
905 out_java_struct.write("\t\treturn " + ret_info.to_hu_conv_name + ";\n")
906 elif ret_info.java_ty != "void" and ret_info.rust_obj != "LDK" + struct_meth:
907 out_java_struct.write("\t\treturn ret;\n")
908 out_java_struct.write("\t}\n\n")
909 out_java_struct.close()
911 def map_unitary_enum(struct_name, field_lines):
912 with open(f"{sys.argv[3]}/enums/{struct_name}{consts.file_ext}", "w") as out_java_enum:
913 unitary_enums.add(struct_name)
914 for idx, struct_line in enumerate(field_lines):
916 assert(struct_line == "typedef enum %s {" % struct_name)
917 elif idx == len(field_lines) - 3:
918 assert(struct_line.endswith("_Sentinel,"))
919 elif idx == len(field_lines) - 2:
920 assert(struct_line == "} %s;" % struct_name)
921 elif idx == len(field_lines) - 1:
922 assert(struct_line == "")
923 (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]])
925 out_java_enum.write(native_file_out)
926 out_java.write(native_out)
928 def map_complex_enum(struct_name, union_enum_items):
929 java_hu_type = struct_name.replace("LDK", "")
930 complex_enums.add(struct_name)
933 tag_field_lines = union_enum_items["field_lines"]
934 for idx, struct_line in enumerate(tag_field_lines):
936 assert(struct_line == "typedef enum %s_Tag {" % struct_name)
937 elif idx == len(tag_field_lines) - 3:
938 assert(struct_line.endswith("_Sentinel,"))
939 elif idx == len(tag_field_lines) - 2:
940 assert(struct_line == "} %s_Tag;" % struct_name)
941 elif idx == len(tag_field_lines) - 1:
942 assert(struct_line == "")
944 variant_name = struct_line.strip(' ,')[len(struct_name) + 1:]
946 if "LDK" + variant_name in union_enum_items:
947 enum_var_lines = union_enum_items["LDK" + variant_name]
948 for idx, field in enumerate(enum_var_lines):
949 if idx != 0 and idx < len(enum_var_lines) - 2:
950 fields.append(map_type(field.strip(' ;'), False, None, False, True))
952 # TODO: Assert line format
955 # TODO: Assert line format
957 enum_variants.append(ComplexEnumVariantInfo(variant_name, fields))
959 with open(f"{sys.argv[3]}/structs/{java_hu_type}{consts.file_ext}", "w") as out_java_enum:
960 (out_java_addendum, out_java_enum_addendum, out_c_addendum) = consts.map_complex_enum(struct_name, enum_variants, camel_to_snake)
962 out_java_enum.write(out_java_enum_addendum)
963 out_java.write(out_java_addendum)
964 write_c(out_c_addendum)
966 def map_trait(struct_name, field_var_lines, trait_fn_lines):
967 with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "w") as out_java_trait:
969 for var_line in field_var_lines:
970 if var_line.group(1) in trait_structs:
971 field_var_convs.append((var_line.group(1), var_line.group(2)))
973 field_var_convs.append(map_type(var_line.group(1) + " " + var_line.group(2), False, None, False, False))
976 for fn_line in trait_fn_lines:
977 ret_ty_info = map_type(fn_line.group(2), True, None, False, False)
978 is_const = fn_line.group(4) is not None
981 for idx, arg in enumerate(fn_line.group(5).split(',')):
984 arg_conv_info = map_type(arg, True, None, False, False)
985 arg_tys.append(arg_conv_info)
986 field_fns.append(TraitMethInfo(fn_line.group(3), is_const, ret_ty_info, arg_tys))
988 write_c(consts.native_c_map_trait(struct_name, field_var_convs, field_fns)[1])
990 out_java_trait.write(consts.hu_struct_file_prefix)
991 out_java_trait.write("public class " + struct_name.replace("LDK","") + " extends CommonBase {\n")
992 out_java_trait.write("\tfinal bindings." + struct_name + " bindings_instance;\n")
993 out_java_trait.write("\t" + struct_name.replace("LDK", "") + "(Object _dummy, long ptr) { super(ptr); bindings_instance = null; }\n")
994 out_java_trait.write("\tprivate " + struct_name.replace("LDK", "") + "(bindings." + struct_name + " arg")
995 for idx, var_line in enumerate(field_var_lines):
996 if var_line.group(1) in trait_structs:
997 out_java_trait.write(", bindings." + var_line.group(1) + " " + var_line.group(2))
999 out_java_trait.write(", " + field_var_convs[idx].java_hu_ty + " " + var_line.group(2))
1000 out_java_trait.write(") {\n")
1001 out_java_trait.write("\t\tsuper(bindings." + struct_name + "_new(arg")
1002 for idx, var_line in enumerate(field_var_lines):
1003 if var_line.group(1) in trait_structs:
1004 out_java_trait.write(", " + var_line.group(2))
1005 elif field_var_convs[idx].from_hu_conv is not None:
1006 out_java_trait.write(", " + field_var_convs[idx].from_hu_conv[0])
1008 out_java_trait.write(", " + var_line.group(2))
1009 out_java_trait.write("));\n")
1010 out_java_trait.write("\t\tthis.ptrs_to.add(arg);\n")
1011 for idx, var_line in enumerate(field_var_lines):
1012 if var_line.group(1) in trait_structs:
1013 out_java_trait.write("\t\tthis.ptrs_to.add(" + var_line.group(2) + ");\n")
1014 elif field_var_convs[idx].from_hu_conv is not None and field_var_convs[idx].from_hu_conv[1] != "":
1015 out_java_trait.write("\t\t" + field_var_convs[idx].from_hu_conv[1] + ";\n")
1016 out_java_trait.write("\t\tthis.bindings_instance = arg;\n")
1017 out_java_trait.write("\t}\n")
1018 out_java_trait.write("\t@Override @SuppressWarnings(\"deprecation\")\n")
1019 out_java_trait.write("\tprotected void finalize() throws Throwable {\n")
1020 out_java_trait.write("\t\tif (ptr != 0) { bindings." + struct_name.replace("LDK","") + "_free(ptr); } super.finalize();\n")
1021 out_java_trait.write("\t}\n\n")
1023 java_trait_constr = "\tprivate static class " + struct_name + "Holder { " + struct_name.replace("LDK", "") + " held; }\n"
1024 java_trait_constr = java_trait_constr + "\tpublic static " + struct_name.replace("LDK", "") + " new_impl(" + struct_name.replace("LDK", "") + "Interface arg"
1025 for idx, var_line in enumerate(field_var_lines):
1026 if var_line.group(1) in trait_structs:
1027 # Ideally we'd be able to take any instance of the interface, but our C code can only represent
1028 # Java-implemented version, so we require users pass a Java implementation here :/
1029 java_trait_constr = java_trait_constr + ", " + var_line.group(1).replace("LDK", "") + "." + var_line.group(1).replace("LDK", "") + "Interface " + var_line.group(2) + "_impl"
1031 java_trait_constr = java_trait_constr + ", " + field_var_convs[idx].java_hu_ty + " " + var_line.group(2)
1032 java_trait_constr = java_trait_constr + ") {\n\t\tfinal " + struct_name + "Holder impl_holder = new " + struct_name + "Holder();\n"
1033 java_trait_constr = java_trait_constr + "\t\timpl_holder.held = new " + struct_name.replace("LDK", "") + "(new bindings." + struct_name + "() {\n"
1034 out_java_trait.write("\tpublic static interface " + struct_name.replace("LDK", "") + "Interface {\n")
1035 out_java.write("\tpublic interface " + struct_name + " {\n")
1037 for fn_line in trait_fn_lines:
1038 java_meth_descr = "("
1039 if fn_line.group(3) != "free" and fn_line.group(3) != "clone":
1040 ret_ty_info = map_type(fn_line.group(2), True, None, False, False)
1042 out_java.write("\t\t " + ret_ty_info.java_ty + " " + fn_line.group(3) + "(")
1043 java_trait_constr = java_trait_constr + "\t\t\t@Override public " + ret_ty_info.java_ty + " " + fn_line.group(3) + "("
1044 out_java_trait.write("\t\t" + ret_ty_info.java_hu_ty + " " + fn_line.group(3) + "(")
1045 is_const = fn_line.group(4) is not None
1048 for idx, arg in enumerate(fn_line.group(5).split(',')):
1052 out_java.write(", ")
1053 java_trait_constr = java_trait_constr + ", "
1054 out_java_trait.write(", ")
1055 arg_conv_info = map_type(arg, True, None, False, False)
1056 out_java.write(arg_conv_info.java_ty + " " + arg_conv_info.arg_name)
1057 out_java_trait.write(arg_conv_info.java_hu_ty + " " + arg_conv_info.arg_name)
1058 java_trait_constr = java_trait_constr + arg_conv_info.java_ty + " " + arg_conv_info.arg_name
1059 arg_names.append(arg_conv_info)
1060 java_meth_descr = java_meth_descr + arg_conv_info.java_fn_ty_arg
1061 java_meth_descr = java_meth_descr + ")" + ret_ty_info.java_fn_ty_arg
1062 java_meths.append((fn_line, java_meth_descr))
1064 out_java.write(");\n")
1065 out_java_trait.write(");\n")
1066 java_trait_constr = java_trait_constr + ") {\n"
1068 for arg_info in arg_names:
1069 if arg_info.to_hu_conv is not None:
1070 java_trait_constr = java_trait_constr + "\t\t\t\t" + arg_info.to_hu_conv.replace("\n", "\n\t\t\t\t") + "\n"
1072 if ret_ty_info.java_ty != "void":
1073 java_trait_constr = java_trait_constr + "\t\t\t\t" + ret_ty_info.java_hu_ty + " ret = arg." + fn_line.group(3) + "("
1075 java_trait_constr = java_trait_constr + "\t\t\t\targ." + fn_line.group(3) + "("
1077 for idx, arg_info in enumerate(arg_names):
1079 java_trait_constr = java_trait_constr + ", "
1080 if arg_info.to_hu_conv_name is not None:
1081 java_trait_constr = java_trait_constr + arg_info.to_hu_conv_name
1083 java_trait_constr = java_trait_constr + arg_info.arg_name
1085 java_trait_constr = java_trait_constr + ");\n"
1086 if ret_ty_info.java_ty != "void":
1087 if ret_ty_info.from_hu_conv is not None:
1088 java_trait_constr = java_trait_constr + "\t\t\t\t" + ret_ty_info.java_ty + " result = " + ret_ty_info.from_hu_conv[0] + ";\n"
1089 if ret_ty_info.from_hu_conv[1] != "":
1090 java_trait_constr = java_trait_constr + "\t\t\t\t" + ret_ty_info.from_hu_conv[1].replace("this", "impl_holder.held") + ";\n"
1091 if ret_ty_info.rust_obj in result_types:
1092 # Avoid double-free by breaking the result - we should learn to clone these and then we can be safe instead
1093 java_trait_constr = java_trait_constr + "\t\t\t\tret.ptr = 0;\n"
1094 java_trait_constr = java_trait_constr + "\t\t\t\treturn result;\n"
1096 java_trait_constr = java_trait_constr + "\t\t\t\treturn ret;\n"
1097 java_trait_constr = java_trait_constr + "\t\t\t}\n"
1098 java_trait_constr = java_trait_constr + "\t\t}"
1099 for var_line in field_var_lines:
1100 if var_line.group(1) in trait_structs:
1101 java_trait_constr = java_trait_constr + ", " + var_line.group(2) + ".new_impl(" + var_line.group(2) + "_impl).bindings_instance"
1103 java_trait_constr = java_trait_constr + ", " + var_line.group(2)
1104 out_java_trait.write("\t}\n")
1105 out_java_trait.write(java_trait_constr + ");\n\t\treturn impl_holder.held;\n\t}\n")
1107 # Write out a clone function whether we need one or not, as we use them in moving to rust
1108 write_c("static void* " + struct_name + "_JCalls_clone(const void* this_arg) {\n")
1109 write_c("\t" + struct_name + "_JCalls *j_calls = (" + struct_name + "_JCalls*) this_arg;\n")
1110 write_c("\tatomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);\n")
1111 for var_line in field_var_lines:
1112 if var_line.group(1) in trait_structs:
1113 write_c("\tatomic_fetch_add_explicit(&j_calls->" + var_line.group(2) + "->refcnt, 1, memory_order_release);\n")
1114 write_c("\treturn (void*) this_arg;\n")
1117 out_java.write("\t}\n")
1119 out_java.write("\tpublic static native long " + struct_name + "_new(" + struct_name + " impl")
1120 write_c("static inline " + struct_name + " " + struct_name + "_init (" + consts.c_fn_args_pfx + ", jobject o")
1121 for idx, var_line in enumerate(field_var_lines):
1122 if var_line.group(1) in trait_structs:
1123 out_java.write(", " + var_line.group(1) + " " + var_line.group(2))
1124 write_c(", jobject " + var_line.group(2))
1126 out_java.write(", " + field_var_convs[idx].java_ty + " " + var_line.group(2))
1127 write_c(", " + field_var_convs[idx].c_ty + " " + var_line.group(2))
1128 out_java.write(");\n")
1131 write_c("\tjclass c = (*env)->GetObjectClass(env, o);\n")
1132 write_c("\tCHECK(c != NULL);\n")
1133 write_c("\t" + struct_name + "_JCalls *calls = MALLOC(sizeof(" + struct_name + "_JCalls), \"" + struct_name + "_JCalls\");\n")
1134 write_c("\tatomic_init(&calls->refcnt, 1);\n")
1135 write_c("\tDO_ASSERT((*env)->GetJavaVM(env, &calls->vm) == 0);\n")
1136 write_c("\tcalls->o = (*env)->NewWeakGlobalRef(env, o);\n")
1137 for (fn_line, java_meth_descr) in java_meths:
1138 if fn_line.group(3) != "free" and fn_line.group(3) != "clone":
1139 write_c("\tcalls->" + fn_line.group(3) + "_meth = (*env)->GetMethodID(env, c, \"" + fn_line.group(3) + "\", \"" + java_meth_descr + "\");\n")
1140 write_c("\tCHECK(calls->" + fn_line.group(3) + "_meth != NULL);\n")
1141 for idx, var_line in enumerate(field_var_lines):
1142 if var_line.group(1) not in trait_structs and field_var_convs[idx].arg_conv is not None:
1143 write_c("\n\t" + field_var_convs[idx].arg_conv.replace("\n", "\n\t") +"\n")
1144 write_c("\n\t" + struct_name + " ret = {\n")
1145 write_c("\t\t.this_arg = (void*) calls,\n")
1146 for fn_line in trait_fn_lines:
1147 if fn_line.group(3) != "free" and fn_line.group(3) != "clone":
1148 write_c("\t\t." + fn_line.group(3) + " = " + fn_line.group(3) + "_jcall,\n")
1149 elif fn_line.group(3) == "free":
1150 write_c("\t\t.free = " + struct_name + "_JCalls_free,\n")
1152 write_c("\t\t.clone = " + struct_name + "_JCalls_clone,\n")
1153 for idx, var_line in enumerate(field_var_lines):
1154 if var_line.group(1) in trait_structs:
1155 write_c("\t\t." + var_line.group(2) + " = " + var_line.group(1) + "_init(env, clz, " + var_line.group(2) + "),\n")
1156 elif field_var_convs[idx].arg_conv_name is not None:
1157 write_c("\t\t." + var_line.group(2) + " = " + field_var_convs[idx].arg_conv_name + ",\n")
1158 write_c("\t\t.set_" + var_line.group(2) + " = NULL,\n")
1160 write_c("\t\t." + var_line.group(2) + " = " + var_line.group(2) + ",\n")
1161 write_c("\t\t.set_" + var_line.group(2) + " = NULL,\n")
1163 for var_line in field_var_lines:
1164 if var_line.group(1) in trait_structs:
1165 write_c("\tcalls->" + var_line.group(2) + " = ret." + var_line.group(2) + ".this_arg;\n")
1166 write_c("\treturn ret;\n")
1169 write_c(consts.c_fn_ty_pfx + "long " + consts.c_fn_name_pfx + struct_name.replace("_", "_1") + "_1new (" + consts.c_fn_args_pfx + ", jobject o")
1170 for idx, var_line in enumerate(field_var_lines):
1171 if var_line.group(1) in trait_structs:
1172 write_c(", jobject " + var_line.group(2))
1174 write_c(", " + field_var_convs[idx].c_ty + " " + var_line.group(2))
1176 write_c("\t" + struct_name + " *res_ptr = MALLOC(sizeof(" + struct_name + "), \"" + struct_name + "\");\n")
1177 write_c("\t*res_ptr = " + struct_name + "_init(env, clz, o")
1178 for var_line in field_var_lines:
1179 write_c(", " + var_line.group(2))
1181 write_c("\treturn (long)res_ptr;\n")
1184 out_java.write("\tpublic static native " + struct_name + " " + struct_name + "_get_obj_from_jcalls(long val);\n")
1185 write_c(consts.c_fn_ty_pfx + "jobject " + consts.c_fn_name_pfx + struct_name.replace("_", "_1") + "_1get_1obj_1from_1jcalls (" + consts.c_fn_args_pfx + ", " + consts.ptr_c_ty + " val) {\n")
1186 write_c("\tjobject ret = (*env)->NewLocalRef(env, ((" + struct_name + "_JCalls*)val)->o);\n")
1187 write_c("\tCHECK(ret != NULL);\n")
1188 write_c("\treturn ret;\n")
1191 for fn_line in trait_fn_lines:
1192 # For now, just disable enabling the _call_log - we don't know how to inverse-map String
1193 is_log = fn_line.group(3) == "log" and struct_name == "LDKLogger"
1194 if fn_line.group(3) != "free" and fn_line.group(3) != "clone" and fn_line.group(3) != "eq" and not is_log:
1195 dummy_line = fn_line.group(2) + struct_name.replace("LDK", "") + "_" + fn_line.group(3) + " " + struct_name + "* this_arg" + fn_line.group(5) + "\n"
1196 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")
1197 for idx, var_line in enumerate(field_var_lines):
1198 if var_line.group(1) not in trait_structs:
1199 write_c(var_line.group(1) + " " + struct_name + "_set_get_" + var_line.group(2) + "(" + struct_name + "* this_arg) {\n")
1200 write_c("\tif (this_arg->set_" + var_line.group(2) + " != NULL)\n")
1201 write_c("\t\tthis_arg->set_" + var_line.group(2) + "(this_arg);\n")
1202 write_c("\treturn this_arg->" + var_line.group(2) + ";\n")
1204 dummy_line = var_line.group(1) + " " + struct_name.replace("LDK", "") + "_get_" + var_line.group(2) + " " + struct_name + "* this_arg" + fn_line.group(5) + "\n"
1205 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")
1207 def map_result(struct_name, res_ty, err_ty):
1208 result_types.add(struct_name)
1209 human_ty = struct_name.replace("LDKCResult", "Result")
1210 with open(f"{sys.argv[3]}/structs/{human_ty}{consts.file_ext}", "w") as out_java_struct:
1211 out_java_struct.write(consts.hu_struct_file_prefix)
1212 out_java_struct.write("public class " + human_ty + " extends CommonBase {\n")
1213 out_java_struct.write("\tprivate " + human_ty + "(Object _dummy, long ptr) { super(ptr); }\n")
1214 out_java_struct.write("\tprotected void finalize() throws Throwable {\n")
1215 out_java_struct.write("\t\tif (ptr != 0) { bindings." + struct_name.replace("LDK","") + "_free(ptr); } super.finalize();\n")
1216 out_java_struct.write("\t}\n\n")
1217 out_java_struct.write("\tstatic " + human_ty + " constr_from_ptr(long ptr) {\n")
1218 out_java_struct.write("\t\tif (bindings." + struct_name + "_result_ok(ptr)) {\n")
1219 out_java_struct.write("\t\t\treturn new " + human_ty + "_OK(null, ptr);\n")
1220 out_java_struct.write("\t\t} else {\n")
1221 out_java_struct.write("\t\t\treturn new " + human_ty + "_Err(null, ptr);\n")
1222 out_java_struct.write("\t\t}\n")
1223 out_java_struct.write("\t}\n")
1225 res_map = map_type(res_ty + " res", True, None, False, True)
1226 err_map = map_type(err_ty + " err", True, None, False, True)
1228 if not res_map.is_native_primitive and (res_map.rust_obj.replace("LDK", "") + "_clone" not in clone_fns):
1230 if not err_map.is_native_primitive and (err_map.rust_obj.replace("LDK", "") + "_clone" not in clone_fns):
1233 out_java.write("\tpublic static native boolean " + struct_name + "_result_ok(long arg);\n")
1234 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")
1235 write_c("\treturn ((" + struct_name + "*)arg)->result_ok;\n")
1238 out_java.write("\tpublic static native " + res_map.java_ty + " " + struct_name + "_get_ok(long arg);\n")
1239 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")
1240 write_c("\t" + struct_name + " *val = (" + struct_name + "*)arg;\n")
1241 write_c("\tCHECK(val->result_ok);\n\t")
1242 out_java_struct.write("\tpublic static final class " + human_ty + "_OK extends " + human_ty + " {\n")
1243 if res_map.ret_conv is not None:
1244 write_c(res_map.ret_conv[0].replace("\n", "\n\t") + "(*val->contents.result)")
1245 write_c(res_map.ret_conv[1].replace("\n", "\n\t") + "\n\treturn " + res_map.ret_conv_name)
1247 write_c("return *val->contents.result")
1250 if res_map.java_hu_ty != "void":
1251 out_java_struct.write("\t\tpublic final " + res_map.java_hu_ty + " res;\n")
1252 out_java_struct.write("\t\tprivate " + human_ty + "_OK(Object _dummy, long ptr) {\n")
1253 out_java_struct.write("\t\t\tsuper(_dummy, ptr);\n")
1254 if res_map.java_hu_ty == "void":
1256 elif res_map.to_hu_conv is not None:
1257 out_java_struct.write("\t\t\t" + res_map.java_ty + " res = bindings." + struct_name + "_get_ok(ptr);\n")
1258 out_java_struct.write("\t\t\t" + res_map.to_hu_conv.replace("\n", "\n\t\t\t"))
1259 out_java_struct.write("\n\t\t\tthis.res = " + res_map.to_hu_conv_name + ";\n")
1261 out_java_struct.write("\t\t\tthis.res = bindings." + struct_name + "_get_ok(ptr);\n")
1262 out_java_struct.write("\t\t}\n")
1263 if struct_name.startswith("LDKCResult_None"):
1264 out_java_struct.write("\t\tpublic " + human_ty + "_OK() {\n\t\t\tthis(null, bindings.C" + human_ty + "_ok());\n")
1266 out_java_struct.write("\t\tpublic " + human_ty + "_OK(" + res_map.java_hu_ty + " res) {\n")
1267 if res_map.from_hu_conv is not None:
1268 out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_ok(" + res_map.from_hu_conv[0] + "));\n")
1269 if res_map.from_hu_conv[1] != "":
1270 out_java_struct.write("\t\t\t" + res_map.from_hu_conv[1] + ";\n")
1272 out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_ok(res));\n")
1273 out_java_struct.write("\t\t}\n\t}\n\n")
1275 out_java.write("\tpublic static native " + err_map.java_ty + " " + struct_name + "_get_err(long arg);\n")
1276 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")
1277 write_c("\t" + struct_name + " *val = (" + struct_name + "*)arg;\n")
1278 write_c("\tCHECK(!val->result_ok);\n\t")
1279 out_java_struct.write("\tpublic static final class " + human_ty + "_Err extends " + human_ty + " {\n")
1280 if err_map.ret_conv is not None:
1281 write_c(err_map.ret_conv[0].replace("\n", "\n\t") + "(*val->contents.err)")
1282 write_c(err_map.ret_conv[1].replace("\n", "\n\t") + "\n\treturn " + err_map.ret_conv_name)
1284 write_c("return *val->contents.err")
1287 if err_map.java_hu_ty != "void":
1288 out_java_struct.write("\t\tpublic final " + err_map.java_hu_ty + " err;\n")
1289 out_java_struct.write("\t\tprivate " + human_ty + "_Err(Object _dummy, long ptr) {\n")
1290 out_java_struct.write("\t\t\tsuper(_dummy, ptr);\n")
1291 if err_map.java_hu_ty == "void":
1293 elif err_map.to_hu_conv is not None:
1294 out_java_struct.write("\t\t\t" + err_map.java_ty + " err = bindings." + struct_name + "_get_err(ptr);\n")
1295 out_java_struct.write("\t\t\t" + err_map.to_hu_conv.replace("\n", "\n\t\t\t"))
1296 out_java_struct.write("\n\t\t\tthis.err = " + err_map.to_hu_conv_name + ";\n")
1298 out_java_struct.write("\t\t\tthis.err = bindings." + struct_name + "_get_err(ptr);\n")
1299 out_java_struct.write("\t\t}\n")
1301 if struct_name.endswith("NoneZ"):
1302 out_java_struct.write("\t\tpublic " + human_ty + "_Err() {\n\t\t\tthis(null, bindings.C" + human_ty + "_err());\n")
1304 out_java_struct.write("\t\tpublic " + human_ty + "_Err(" + err_map.java_hu_ty + " err) {\n")
1305 if err_map.from_hu_conv is not None:
1306 out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_err(" + err_map.from_hu_conv[0] + "));\n")
1307 if err_map.from_hu_conv[1] != "":
1308 out_java_struct.write("\t\t\t" + err_map.from_hu_conv[1] + ";\n")
1310 out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_err(err));\n")
1311 out_java_struct.write("\t\t}\n\t}\n}\n")
1314 clone_fns.add(struct_name.replace("LDK", "") + "_clone")
1315 write_c("static inline " + struct_name + " " + struct_name.replace("LDK", "") + "_clone(const " + struct_name + " *orig) {\n")
1316 write_c("\t" + struct_name + " res = { .result_ok = orig->result_ok };\n")
1317 write_c("\tif (orig->result_ok) {\n")
1318 if res_map.c_ty == "void":
1319 write_c("\t\tres.contents.result = NULL;\n")
1321 if res_map.is_native_primitive:
1322 write_c("\t\t" + res_map.c_ty + "* contents = MALLOC(sizeof(" + res_map.c_ty + "), \"" + res_map.c_ty + " result OK clone\");\n")
1323 write_c("\t\t*contents = *orig->contents.result;\n")
1325 write_c("\t\t" + res_map.rust_obj + "* contents = MALLOC(sizeof(" + res_map.rust_obj + "), \"" + res_map.rust_obj + " result OK clone\");\n")
1326 write_c("\t\t*contents = " + res_map.rust_obj.replace("LDK", "") + "_clone(orig->contents.result);\n")
1327 write_c("\t\tres.contents.result = contents;\n")
1328 write_c("\t} else {\n")
1329 if err_map.c_ty == "void":
1330 write_c("\t\tres.contents.err = NULL;\n")
1332 if err_map.is_native_primitive:
1333 write_c("\t\t" + err_map.c_ty + "* contents = MALLOC(sizeof(" + err_map.c_ty + "), \"" + err_map.c_ty + " result Err clone\");\n")
1334 write_c("\t\t*contents = *orig->contents.err;\n")
1336 write_c("\t\t" + err_map.rust_obj + "* contents = MALLOC(sizeof(" + err_map.rust_obj + "), \"" + err_map.rust_obj + " result Err clone\");\n")
1337 write_c("\t\t*contents = " + err_map.rust_obj.replace("LDK", "") + "_clone(orig->contents.err);\n")
1338 write_c("\t\tres.contents.err = contents;\n")
1339 write_c("\t}\n\treturn res;\n}\n")
1341 def map_tuple(struct_name, field_lines):
1342 out_java.write("\tpublic static native long " + struct_name + "_new(")
1343 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)
1345 for idx, line in enumerate(field_lines):
1346 if idx != 0 and idx < len(field_lines) - 2:
1347 ty_info = java_c_types(line.strip(';'), None)
1349 out_java.write(", ")
1350 e = chr(ord('a') + idx - 1)
1351 out_java.write(ty_info.java_ty + " " + e)
1352 write_c(", " + ty_info.c_ty + " " + e)
1353 ty_list.append(ty_info)
1354 tuple_types[struct_name] = (ty_list, struct_name)
1355 out_java.write(");\n")
1357 write_c("\t" + struct_name + "* ret = MALLOC(sizeof(" + struct_name + "), \"" + struct_name + "\");\n")
1359 clone_str = "static inline " + struct_name + " " + struct_name.replace("LDK", "") + "_clone(const " + struct_name + " *orig) {\n"
1360 clone_str = clone_str + "\t" + struct_name + " ret = {\n"
1361 for idx, line in enumerate(field_lines):
1362 if idx != 0 and idx < len(field_lines) - 2:
1363 ty_info = map_type(line.strip(';'), False, None, False, False)
1364 e = chr(ord('a') + idx - 1)
1365 if ty_info.arg_conv is not None:
1366 write_c("\t" + ty_info.arg_conv.replace("\n", "\n\t"))
1367 write_c("\n\tret->" + e + " = " + ty_info.arg_conv_name + ";\n")
1369 write_c("\tret->" + e + " = " + e + ";\n")
1370 if ty_info.arg_conv_cleanup is not None:
1371 write_c("\t//TODO: Really need to call " + ty_info.arg_conv_cleanup + " here\n")
1372 if not ty_info.is_native_primitive and (ty_info.rust_obj.replace("LDK", "") + "_clone") not in clone_fns:
1374 elif can_clone and ty_info.is_native_primitive:
1375 clone_str = clone_str + "\t\t." + chr(ord('a') + idx - 1) + " = orig->" + chr(ord('a') + idx - 1) + ",\n"
1377 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"
1378 write_c("\treturn (long)ret;\n")
1382 clone_fns.add(struct_name.replace("LDK", "") + "_clone")
1384 write_c("\t};\n\treturn ret;\n}\n")
1386 for idx, ty_info in enumerate(ty_list):
1387 e = chr(ord('a') + idx)
1388 out_java.write("\tpublic static native " + ty_info.java_ty + " " + struct_name + "_get_" + e + "(long ptr);\n")
1389 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")
1390 write_c("\t" + struct_name + " *tuple = (" + struct_name + "*)ptr;\n")
1391 conv_info = map_type_with_info(ty_info, False, None, False, True)
1392 if conv_info.ret_conv is not None:
1393 write_c("\t" + conv_info.ret_conv[0].replace("\n", "\n\t") + "tuple->" + e + conv_info.ret_conv[1].replace("\n", "\n\t") + "\n")
1394 write_c("\treturn " + conv_info.ret_conv_name + ";\n")
1396 write_c("\treturn tuple->" + e + ";\n")
1399 out_java.write("""package org.ldk.impl;
1400 import org.ldk.enums.*;
1402 public class bindings {
1403 public static class VecOrSliceDef {
1404 public long dataptr;
1405 public long datalen;
1407 public VecOrSliceDef(long dataptr, long datalen, long stride) {
1408 this.dataptr = dataptr; this.datalen = datalen; this.stride = stride;
1412 System.loadLibrary(\"lightningjni\");
1413 init(java.lang.Enum.class, VecOrSliceDef.class);
1416 static native void init(java.lang.Class c, java.lang.Class slicedef);
1417 static native void init_class_cache();
1419 public static native boolean deref_bool(long ptr);
1420 public static native long deref_long(long ptr);
1421 public static native void free_heap_ptr(long ptr);
1422 public static native byte[] read_bytes(long ptr, long len);
1423 public static native byte[] get_u8_slice_bytes(long slice_ptr);
1424 public static native long bytes_to_u8_vec(byte[] bytes);
1425 public static native long new_txpointer_copy_data(byte[] txdata);
1426 public static native void txpointer_free(long ptr);
1427 public static native byte[] txpointer_get_buffer(long ptr);
1428 public static native long vec_slice_len(long vec);
1429 public static native long new_empty_slice_vec();
1433 with open(f"{sys.argv[3]}/structs/CommonBase{consts.file_ext}", "a") as out_java_struct:
1434 out_java_struct.write(consts.common_base)
1436 in_block_comment = False
1437 cur_block_obj = None
1439 const_val_regex = re.compile("^extern const ([A-Za-z_0-9]*) ([A-Za-z_0-9]*);$")
1441 line_indicates_result_regex = re.compile("^ union (LDKCResult_[A-Za-z_0-9]*Ptr) contents;$")
1442 line_indicates_vec_regex = re.compile("^ (struct |enum |union )?([A-Za-z_0-9]*) \*data;$")
1443 line_indicates_opaque_regex = re.compile("^ bool is_owned;$")
1444 line_indicates_trait_regex = re.compile("^ (struct |enum |union )?([A-Za-z_0-9]* \*?)\(\*([A-Za-z_0-9]*)\)\((const )?void \*this_arg(.*)\);$")
1445 assert(line_indicates_trait_regex.match(" uintptr_t (*send_data)(void *this_arg, LDKu8slice data, bool resume_read);"))
1446 assert(line_indicates_trait_regex.match(" struct LDKCVec_MessageSendEventZ (*get_and_clear_pending_msg_events)(const void *this_arg);"))
1447 assert(line_indicates_trait_regex.match(" void *(*clone)(const void *this_arg);"))
1448 assert(line_indicates_trait_regex.match(" struct LDKCVec_u8Z (*write)(const void *this_arg);"))
1449 line_field_var_regex = re.compile("^ struct ([A-Za-z_0-9]*) ([A-Za-z_0-9]*);$")
1450 assert(line_field_var_regex.match(" struct LDKMessageSendEventsProvider MessageSendEventsProvider;"))
1451 assert(line_field_var_regex.match(" struct LDKChannelPublicKeys pubkeys;"))
1452 struct_name_regex = re.compile("^typedef (struct|enum|union) (MUST_USE_STRUCT )?(LDK[A-Za-z_0-9]*) {$")
1453 assert(struct_name_regex.match("typedef struct LDKCVec_u8Z {"))
1454 assert(struct_name_regex.match("typedef enum LDKNetwork {"))
1456 union_enum_items = {}
1457 result_ptr_struct_items = {}
1459 if in_block_comment:
1460 if line.endswith("*/\n"):
1461 in_block_comment = False
1462 elif cur_block_obj is not None:
1463 cur_block_obj = cur_block_obj + line
1464 if line.startswith("} "):
1468 obj_lines = cur_block_obj.split("\n")
1470 result_contents = None
1471 is_unitary_enum = False
1472 is_union_enum = False
1476 field_var_lines = []
1478 for idx, struct_line in enumerate(obj_lines):
1479 if struct_line.strip().startswith("/*"):
1480 in_block_comment = True
1481 if in_block_comment:
1482 if struct_line.endswith("*/"):
1483 in_block_comment = False
1485 struct_name_match = struct_name_regex.match(struct_line)
1486 if struct_name_match is not None:
1487 struct_name = struct_name_match.group(3)
1488 if struct_name_match.group(1) == "enum":
1489 if not struct_name.endswith("_Tag"):
1490 is_unitary_enum = True
1492 is_union_enum = True
1493 elif struct_name_match.group(1) == "union":
1495 if line_indicates_opaque_regex.match(struct_line):
1497 result_match = line_indicates_result_regex.match(struct_line)
1498 if result_match is not None:
1499 result_contents = result_match.group(1)
1500 vec_ty_match = line_indicates_vec_regex.match(struct_line)
1501 if vec_ty_match is not None and struct_name.startswith("LDKCVec_"):
1502 vec_ty = vec_ty_match.group(2)
1503 elif struct_name.startswith("LDKC2Tuple_") or struct_name.startswith("LDKC3Tuple_"):
1505 trait_fn_match = line_indicates_trait_regex.match(struct_line)
1506 if trait_fn_match is not None:
1507 trait_fn_lines.append(trait_fn_match)
1508 field_var_match = line_field_var_regex.match(struct_line)
1509 if field_var_match is not None:
1510 field_var_lines.append(field_var_match)
1511 field_lines.append(struct_line)
1513 assert(struct_name is not None)
1514 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))
1515 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))
1516 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))
1517 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))
1518 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))
1519 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))
1520 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))
1523 opaque_structs.add(struct_name)
1524 with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "w") as out_java_struct:
1525 out_java_struct.write(consts.hu_struct_file_prefix)
1526 out_java_struct.write("public class " + struct_name.replace("LDK","") + " extends CommonBase")
1527 if struct_name.startswith("LDKLocked"):
1528 out_java_struct.write(" implements AutoCloseable")
1529 out_java_struct.write(" {\n")
1530 out_java_struct.write("\t" + struct_name.replace("LDK", "") + "(Object _dummy, long ptr) { super(ptr); }\n")
1531 if struct_name.startswith("LDKLocked"):
1532 out_java_struct.write("\t@Override public void close() {\n")
1534 out_java_struct.write("\t@Override @SuppressWarnings(\"deprecation\")\n")
1535 out_java_struct.write("\tprotected void finalize() throws Throwable {\n")
1536 out_java_struct.write("\t\tsuper.finalize();\n")
1537 out_java_struct.write("\t\tif (ptr != 0) { bindings." + struct_name.replace("LDK","") + "_free(ptr); }\n")
1538 out_java_struct.write("\t}\n\n")
1539 elif result_contents is not None:
1540 assert result_contents in result_ptr_struct_items
1541 res_ty, err_ty = result_ptr_struct_items[result_contents]
1542 map_result(struct_name, res_ty, err_ty)
1543 elif struct_name.startswith("LDKCResult_") and struct_name.endswith("ZPtr"):
1544 for line in field_lines:
1545 if line.endswith("*result;"):
1546 res_ty = line[:-8].strip()
1547 elif line.endswith("*err;"):
1548 err_ty = line[:-5].strip()
1549 result_ptr_struct_items[struct_name] = (res_ty, err_ty)
1550 result_types.add(struct_name[:-3])
1552 map_tuple(struct_name, field_lines)
1553 elif vec_ty is not None:
1554 ty_info = map_type(vec_ty + " arr_elem", False, None, False, False)
1555 if len(ty_info.java_fn_ty_arg) == 1: # ie we're a primitive of some form
1556 out_java.write("\tpublic static native long " + struct_name + "_new(" + ty_info.java_ty + "[] elems);\n")
1557 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")
1558 write_c("\t" + struct_name + " *ret = MALLOC(sizeof(" + struct_name + "), \"" + struct_name + "\");\n")
1559 write_c("\tret->datalen = " + consts.get_native_arr_len_call[0] + "elems" + consts.get_native_arr_len_call[1] + ";\n")
1560 write_c("\tif (ret->datalen == 0) {\n")
1561 write_c("\t\tret->data = NULL;\n")
1562 write_c("\t} else {\n")
1563 write_c("\t\tret->data = MALLOC(sizeof(" + vec_ty + ") * ret->datalen, \"" + struct_name + " Data\");\n")
1564 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")
1565 write_c("\t\tfor (size_t i = 0; i < ret->datalen; i++) {\n")
1566 if ty_info.arg_conv is not None:
1567 write_c("\t\t\t" + ty_info.c_ty + " arr_elem = java_elems[i];\n")
1568 write_c("\t\t\t" + ty_info.arg_conv.replace("\n", "\n\t\t\t") + "\n")
1569 write_c("\t\t\tret->data[i] = " + ty_info.arg_conv_name + ";\n")
1570 assert ty_info.arg_conv_cleanup is None
1572 write_c("\t\t\tret->data[i] = java_elems[i];\n")
1574 cleanup = consts.release_native_arr_ptr_call("elems", "java_elems")
1575 if cleanup is not None:
1576 write_c("\t\t" + cleanup + ";\n")
1578 write_c("\treturn (long)ret;\n")
1581 if ty_info.is_native_primitive:
1582 clone_fns.add(struct_name.replace("LDK", "") + "_clone")
1583 write_c("static inline " + struct_name + " " + struct_name.replace("LDK", "") + "_clone(const " + struct_name + " *orig) {\n")
1584 write_c("\t" + struct_name + " ret = { .data = MALLOC(sizeof(" + ty_info.c_ty + ") * orig->datalen, \"" + struct_name + " clone bytes\"), .datalen = orig->datalen };\n")
1585 write_c("\tmemcpy(ret.data, orig->data, sizeof(" + ty_info.c_ty + ") * ret.datalen);\n")
1586 write_c("\treturn ret;\n}\n")
1587 elif (ty_info.rust_obj.replace("LDK", "") + "_clone") in clone_fns:
1588 ty_name = "CVec_" + ty_info.rust_obj.replace("LDK", "") + "Z";
1589 clone_fns.add(ty_name + "_clone")
1590 write_c("static inline " + struct_name + " " + ty_name + "_clone(const " + struct_name + " *orig) {\n")
1591 write_c("\t" + struct_name + " ret = { .data = MALLOC(sizeof(" + ty_info.rust_obj + ") * orig->datalen, \"" + struct_name + " clone bytes\"), .datalen = orig->datalen };\n")
1592 write_c("\tfor (size_t i = 0; i < ret.datalen; i++) {\n")
1593 write_c("\t\tret.data[i] = " + ty_info.rust_obj.replace("LDK", "") + "_clone(&orig->data[i]);\n")
1594 write_c("\t}\n\treturn ret;\n}\n")
1596 assert(struct_name.endswith("_Tag"))
1597 struct_name = struct_name[:-4]
1598 union_enum_items[struct_name] = {"field_lines": field_lines}
1599 elif struct_name.endswith("_Body") and struct_name.split("_")[0] in union_enum_items:
1600 enum_var_name = struct_name.split("_")
1601 union_enum_items[enum_var_name[0]][enum_var_name[1]] = field_lines
1602 elif struct_name in union_enum_items:
1603 map_complex_enum(struct_name, union_enum_items[struct_name])
1604 elif is_unitary_enum:
1605 map_unitary_enum(struct_name, field_lines)
1606 elif len(trait_fn_lines) > 0:
1607 trait_structs.add(struct_name)
1608 map_trait(struct_name, field_var_lines, trait_fn_lines)
1609 elif struct_name == "LDKTxOut":
1610 with open(f"{sys.argv[3]}/structs/TxOut{consts.file_ext}", "w") as out_java_struct:
1611 out_java_struct.write(consts.hu_struct_file_prefix)
1612 out_java_struct.write("public class TxOut extends CommonBase{\n")
1613 out_java_struct.write("\tTxOut(java.lang.Object _dummy, long ptr) { super(ptr); }\n")
1614 out_java_struct.write("\tlong to_c_ptr() { return 0; }\n")
1615 out_java_struct.write("\t@Override @SuppressWarnings(\"deprecation\")\n")
1616 out_java_struct.write("\tprotected void finalize() throws Throwable {\n")
1617 out_java_struct.write("\t\tsuper.finalize();\n")
1618 out_java_struct.write("\t\tif (ptr != 0) { bindings.TxOut_free(ptr); }\n")
1619 out_java_struct.write("\t}\n")
1621 out_java_struct.write("}")
1623 pass # Everything remaining is a byte[] or some form
1624 cur_block_obj = None
1626 fn_ptr = fn_ptr_regex.match(line)
1627 fn_ret_arr = fn_ret_arr_regex.match(line)
1628 reg_fn = reg_fn_regex.match(line)
1629 const_val = const_val_regex.match(line)
1631 if line.startswith("#include <"):
1633 elif line.startswith("/*"):
1634 #out_java.write("\t" + line)
1635 if not line.endswith("*/\n"):
1636 in_block_comment = True
1637 elif line.startswith("typedef enum "):
1638 cur_block_obj = line
1639 elif line.startswith("typedef struct "):
1640 cur_block_obj = line
1641 elif line.startswith("typedef union "):
1642 cur_block_obj = line
1643 elif fn_ptr is not None:
1644 map_fn(line, fn_ptr, None, None)
1645 elif fn_ret_arr is not None:
1646 map_fn(line, fn_ret_arr, fn_ret_arr.group(4), None)
1647 elif reg_fn is not None:
1648 map_fn(line, reg_fn, None, None)
1649 elif const_val_regex is not None:
1650 # TODO Map const variables
1653 assert(line == "\n")
1655 out_java.write("}\n")
1656 for struct_name in opaque_structs:
1657 with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "a") as out_java_struct:
1658 out_java_struct.write("}\n")
1659 for struct_name in trait_structs:
1660 with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "a") as out_java_struct:
1661 out_java_struct.write("}\n")
1662 with open(sys.argv[4], "w") as out_c:
1663 out_c.write(consts.c_file_pfx)
1664 out_c.write(consts.init_str(c_array_class_caches))