print("debug should be true or false and indicates whether to track allocations and ensure we don't leak")
sys.exit(1)
+hu_struct_file_prefix = """package org.ldk.structs;
+
+import org.ldk.impl.bindings;
+import org.ldk.enums.*;
+import org.ldk.util.*;
+import java.util.Arrays;
+
+@SuppressWarnings("unchecked") // We correctly assign various generic arrays
+"""
+
class TypeInfo:
- def __init__(self, rust_obj, java_ty, java_fn_ty_arg, c_ty, passed_as_ptr, is_ptr, var_name, arr_len, arr_access):
+ def __init__(self, is_native_primitive, rust_obj, java_ty, java_fn_ty_arg, java_hu_ty, c_ty, passed_as_ptr, is_ptr, var_name, arr_len, arr_access, subty=None):
+ self.is_native_primitive = is_native_primitive
self.rust_obj = rust_obj
self.java_ty = java_ty
+ self.java_hu_ty = java_hu_ty
self.java_fn_ty_arg = java_fn_ty_arg
self.c_ty = c_ty
self.passed_as_ptr = passed_as_ptr
self.var_name = var_name
self.arr_len = arr_len
self.arr_access = arr_access
+ self.subty = subty
+ self.pass_by_ref = is_ptr
class ConvInfo:
- def __init__(self, ty_info, arg_name, arg_conv, arg_conv_name, arg_conv_cleanup, ret_conv, ret_conv_name):
+ def __init__(self, ty_info, arg_name, arg_conv, arg_conv_name, arg_conv_cleanup, ret_conv, ret_conv_name, to_hu_conv, to_hu_conv_name, from_hu_conv):
assert(ty_info.c_ty is not None)
assert(ty_info.java_ty is not None)
assert(arg_name is not None)
self.rust_obj = ty_info.rust_obj
self.c_ty = ty_info.c_ty
self.java_ty = ty_info.java_ty
+ self.java_hu_ty = ty_info.java_hu_ty
self.java_fn_ty_arg = ty_info.java_fn_ty_arg
self.arg_name = arg_name
self.arg_conv = arg_conv
self.arg_conv_cleanup = arg_conv_cleanup
self.ret_conv = ret_conv
self.ret_conv_name = ret_conv_name
+ self.to_hu_conv = to_hu_conv
+ self.to_hu_conv_name = to_hu_conv_name
+ self.from_hu_conv = from_hu_conv
def print_ty(self):
out_c.write(self.c_ty)
return (ret + lastchar.lower()).strip("_")
unitary_enums = set()
+complex_enums = set()
+opaque_structs = set()
+trait_structs = set()
+result_types = set()
+tuple_types = {}
+
+def is_common_base_ext(struct_name):
+ return struct_name in complex_enums or struct_name in opaque_structs or struct_name in trait_structs or struct_name in result_types
+
var_is_arr_regex = re.compile("\(\*([A-za-z0-9_]*)\)\[([a-z0-9]*)\]")
var_ty_regex = re.compile("([A-za-z_0-9]*)(.*)")
+java_c_types_none_allowed = True # Unset when we do the real pass that populates the above sets
def java_c_types(fn_arg, ret_arr_len):
fn_arg = fn_arg.strip()
if fn_arg.startswith("MUST_USE_RES "):
take_by_ptr = False
rust_obj = None
arr_access = None
+ java_hu_ty = None
if fn_arg.startswith("LDKThirtyTwoBytes"):
fn_arg = "uint8_t (*" + fn_arg[18:] + ")[32]"
assert var_is_arr_regex.match(fn_arg[8:])
rust_obj = "LDKThirtyTwoBytes"
arr_access = "data"
- if fn_arg.startswith("LDKPublicKey"):
+ elif fn_arg.startswith("LDKPublicKey"):
fn_arg = "uint8_t (*" + fn_arg[13:] + ")[33]"
assert var_is_arr_regex.match(fn_arg[8:])
rust_obj = "LDKPublicKey"
arr_access = "compressed_form"
- if fn_arg.startswith("LDKSecretKey"):
+ elif fn_arg.startswith("LDKSecretKey"):
fn_arg = "uint8_t (*" + fn_arg[13:] + ")[32]"
assert var_is_arr_regex.match(fn_arg[8:])
rust_obj = "LDKSecretKey"
arr_access = "bytes"
- if fn_arg.startswith("LDKSignature"):
+ elif fn_arg.startswith("LDKSignature"):
fn_arg = "uint8_t (*" + fn_arg[13:] + ")[64]"
assert var_is_arr_regex.match(fn_arg[8:])
rust_obj = "LDKSignature"
arr_access = "compact_form"
- if fn_arg.startswith("LDKThreeBytes"):
+ elif fn_arg.startswith("LDKThreeBytes"):
fn_arg = "uint8_t (*" + fn_arg[14:] + ")[3]"
assert var_is_arr_regex.match(fn_arg[8:])
rust_obj = "LDKThreeBytes"
arr_access = "data"
- if fn_arg.startswith("LDKu8slice"):
+ elif fn_arg.startswith("LDKFourBytes"):
+ fn_arg = "uint8_t (*" + fn_arg[13:] + ")[4]"
+ assert var_is_arr_regex.match(fn_arg[8:])
+ rust_obj = "LDKFourBytes"
+ arr_access = "data"
+ elif fn_arg.startswith("LDKSixteenBytes"):
+ fn_arg = "uint8_t (*" + fn_arg[16:] + ")[16]"
+ assert var_is_arr_regex.match(fn_arg[8:])
+ rust_obj = "LDKSixteenBytes"
+ arr_access = "data"
+ elif fn_arg.startswith("LDKTenBytes"):
+ fn_arg = "uint8_t (*" + fn_arg[12:] + ")[10]"
+ assert var_is_arr_regex.match(fn_arg[8:])
+ rust_obj = "LDKTenBytes"
+ arr_access = "data"
+ elif fn_arg.startswith("LDKu8slice"):
fn_arg = "uint8_t (*" + fn_arg[11:] + ")[datalen]"
assert var_is_arr_regex.match(fn_arg[8:])
rust_obj = "LDKu8slice"
arr_access = "data"
+ elif fn_arg.startswith("LDKCVecTempl_u8") or fn_arg.startswith("LDKCVec_u8Z"):
+ if fn_arg.startswith("LDKCVecTempl_u8"):
+ fn_arg = "uint8_t (*" + fn_arg[16:] + ")[datalen]"
+ rust_obj = "LDKCVecTempl_u8"
+ assert var_is_arr_regex.match(fn_arg[8:])
+ else:
+ fn_arg = "uint8_t (*" + fn_arg[12:] + ")[datalen]"
+ rust_obj = "LDKCVec_u8Z"
+ assert var_is_arr_regex.match(fn_arg[8:])
+ arr_access = "data"
+ elif fn_arg.startswith("LDKCVecTempl_") or fn_arg.startswith("LDKCVec_"):
+ is_ptr = False
+ if "*" in fn_arg:
+ fn_arg = fn_arg.replace("*", "")
+ is_ptr = True
+
+ if fn_arg.startswith("LDKCVec_"):
+ tyn = fn_arg[8:].split(" ")
+ assert tyn[0].endswith("Z")
+ if tyn[0] == "u64Z":
+ new_arg = "uint64_t"
+ else:
+ new_arg = "LDK" + tyn[0][:-1]
+ for a in tyn[1:]:
+ new_arg = new_arg + " " + a
+ res = java_c_types(new_arg, ret_arr_len)
+ else:
+ res = java_c_types("LDK" + fn_arg[13:], ret_arr_len)
+ if res is None:
+ assert java_c_types_none_allowed
+ return None
+ if is_ptr:
+ res.pass_by_ref = True
+ if res.is_native_primitive or res.passed_as_ptr:
+ return TypeInfo(rust_obj=fn_arg.split(" ")[0], java_ty=res.java_ty + "[]", java_hu_ty=res.java_hu_ty + "[]",
+ java_fn_ty_arg="[" + res.java_fn_ty_arg, c_ty=res.c_ty + "Array", passed_as_ptr=False, is_ptr=is_ptr,
+ var_name=res.var_name, arr_len="datalen", arr_access="data", subty=res, is_native_primitive=False)
+ else:
+ return TypeInfo(rust_obj=fn_arg.split(" ")[0], java_ty=res.java_ty + "[]", java_hu_ty=res.java_hu_ty + "[]",
+ java_fn_ty_arg="[" + res.java_fn_ty_arg, c_ty="jobjectArray", passed_as_ptr=False, is_ptr=is_ptr,
+ var_name=res.var_name, arr_len="datalen", arr_access="data", subty=res, is_native_primitive=False)
+ is_primitive = False
+ arr_len = None
if fn_arg.startswith("void"):
java_ty = "void"
c_ty = "void"
fn_ty_arg = "V"
fn_arg = fn_arg[4:].strip()
+ is_primitive = True
elif fn_arg.startswith("bool"):
java_ty = "boolean"
c_ty = "jboolean"
fn_ty_arg = "Z"
fn_arg = fn_arg[4:].strip()
+ is_primitive = True
elif fn_arg.startswith("uint8_t"):
java_ty = "byte"
c_ty = "jbyte"
fn_ty_arg = "B"
fn_arg = fn_arg[7:].strip()
+ is_primitive = True
elif fn_arg.startswith("uint16_t"):
java_ty = "short"
c_ty = "jshort"
fn_ty_arg = "S"
fn_arg = fn_arg[8:].strip()
+ is_primitive = True
elif fn_arg.startswith("uint32_t"):
java_ty = "int"
c_ty = "jint"
fn_ty_arg = "I"
fn_arg = fn_arg[8:].strip()
+ is_primitive = True
elif fn_arg.startswith("uint64_t") or fn_arg.startswith("uintptr_t"):
java_ty = "long"
c_ty = "jlong"
fn_arg = fn_arg[8:].strip()
else:
fn_arg = fn_arg[9:].strip()
+ is_primitive = True
elif is_const and fn_arg.startswith("char *"):
java_ty = "String"
c_ty = "const char*"
fn_ty_arg = "Ljava/lang/String;"
fn_arg = fn_arg[6:].strip()
+ elif fn_arg.startswith("LDKStr"):
+ java_ty = "String"
+ c_ty = "jstring"
+ fn_ty_arg = "Ljava/lang/String;"
+ fn_arg = fn_arg[6:].strip()
+ arr_access = "chars"
+ arr_len = "len"
else:
ma = var_ty_regex.match(fn_arg)
if ma.group(1).strip() in unitary_enums:
fn_arg = ma.group(2).strip()
rust_obj = ma.group(1).strip()
take_by_ptr = True
+ elif ma.group(1).strip().startswith("LDKC2Tuple"):
+ java_ty = "long"
+ java_hu_ty = "TwoTuple<"
+ if not ma.group(1).strip() in tuple_types:
+ assert java_c_types_none_allowed
+ return None
+ for idx, ty_info in enumerate(tuple_types[ma.group(1).strip()][0]):
+ if idx != 0:
+ java_hu_ty = java_hu_ty + ", "
+ if ty_info.is_native_primitive:
+ java_hu_ty = java_hu_ty + ty_info.java_hu_ty.title() # If we're a primitive, capitalize the first letter
+ else:
+ java_hu_ty = java_hu_ty + ty_info.java_hu_ty
+ java_hu_ty = java_hu_ty + ">"
+ c_ty = "jlong"
+ fn_ty_arg = "J"
+ fn_arg = ma.group(2).strip()
+ rust_obj = ma.group(1).strip()
+ take_by_ptr = True
+ elif ma.group(1).strip().startswith("LDKC3Tuple"):
+ java_ty = "long"
+ java_hu_ty = "ThreeTuple<"
+ if not ma.group(1).strip() in tuple_types:
+ assert java_c_types_none_allowed
+ return None
+ for idx, ty_info in enumerate(tuple_types[ma.group(1).strip()][0]):
+ if idx != 0:
+ java_hu_ty = java_hu_ty + ", "
+ if ty_info.is_native_primitive:
+ java_hu_ty = java_hu_ty + ty_info.java_hu_ty.title() # If we're a primitive, capitalize the first letter
+ else:
+ java_hu_ty = java_hu_ty + ty_info.java_hu_ty
+ java_hu_ty = java_hu_ty + ">"
+ c_ty = "jlong"
+ fn_ty_arg = "J"
+ fn_arg = ma.group(2).strip()
+ rust_obj = ma.group(1).strip()
+ take_by_ptr = True
else:
java_ty = "long"
+ java_hu_ty = ma.group(1).strip().replace("LDKCResult", "Result").replace("LDK", "")
c_ty = "jlong"
fn_ty_arg = "J"
fn_arg = ma.group(2).strip()
c_ty = "jlong"
java_ty = "long"
fn_ty_arg = "J"
+ is_primitive = False
var_is_arr = var_is_arr_regex.match(fn_arg)
if var_is_arr is not None or ret_arr_len is not None:
c_ty = c_ty + "Array"
if var_is_arr is not None:
if var_is_arr.group(1) == "":
- return TypeInfo(rust_obj=rust_obj, java_ty=java_ty, java_fn_ty_arg="[" + fn_ty_arg, c_ty=c_ty,
- passed_as_ptr=False, is_ptr=False, var_name="arg", arr_len=var_is_arr.group(2), arr_access=arr_access)
- return TypeInfo(rust_obj=rust_obj, java_ty=java_ty, java_fn_ty_arg="[" + fn_ty_arg, c_ty=c_ty,
- 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)
- return TypeInfo(rust_obj=rust_obj, java_ty=java_ty, java_fn_ty_arg=fn_ty_arg, c_ty=c_ty, passed_as_ptr=is_ptr or take_by_ptr,
- is_ptr=is_ptr, var_name=fn_arg, arr_len=None, arr_access=None)
-
+ 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,
+ 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)
+ 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,
+ 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)
+ if java_hu_ty is None:
+ java_hu_ty = java_ty
+ 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,
+ is_ptr=is_ptr, var_name=fn_arg, arr_len=arr_len, arr_access=arr_access, is_native_primitive=is_primitive)
fn_ptr_regex = re.compile("^extern const ([A-Za-z_0-9\* ]*) \(\*(.*)\)\((.*)\);$")
fn_ret_arr_regex = re.compile("(.*) \(\*(.*)\((.*)\)\)\[([0-9]*)\];$")
clone_fns.add(reg_fn.group(2))
else:
rty = java_c_types(reg_fn.group(1), None)
- if rty.rust_obj is not None and reg_fn.group(2) == rty.rust_obj.replace("LDK", "") + "_new":
+ if rty is not None and rty.rust_obj is not None and reg_fn.group(2) == rty.java_hu_ty + "_new":
constructor_fns[rty.rust_obj] = reg_fn.group(3)
continue
arr_fn = fn_ret_arr_regex.match(line)
clone_fns.add(arr_fn.group(2))
# No object constructors return arrays, as then they wouldn't be an object constructor
continue
+java_c_types_none_allowed = False # C structs created by cbindgen are declared in dependency order
with open(sys.argv[1]) as in_h, open(sys.argv[2], "w") as out_java, open(sys.argv[4], "w") as out_c:
- opaque_structs = set()
- trait_structs = set()
-
- def map_type(fn_arg, print_void, ret_arr_len, is_free):
+ def map_type(fn_arg, print_void, ret_arr_len, is_free, holds_ref):
ty_info = java_c_types(fn_arg, ret_arr_len)
+ return map_type_with_info(ty_info, print_void, ret_arr_len, is_free, holds_ref)
+ def map_type_with_info(ty_info, print_void, ret_arr_len, is_free, holds_ref):
if ty_info.c_ty == "void":
if not print_void:
return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
arg_conv = None, arg_conv_name = None, arg_conv_cleanup = None,
- ret_conv = None, ret_conv_name = None)
-
+ ret_conv = None, ret_conv_name = None, to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None)
if ty_info.c_ty.endswith("Array"):
arr_len = ty_info.arr_len
if arr_len is not None:
else:
arr_name = "ret"
arr_len = ret_arr_len
- assert(ty_info.c_ty == "jbyteArray")
- ret_conv = ("jbyteArray " + arr_name + "_arr = (*_env)->NewByteArray(_env, " + arr_len + ");\n" + "(*_env)->SetByteArrayRegion(_env, " + arr_name + "_arr, 0, " + arr_len + ", ", "")
- arg_conv_cleanup = None
- if not arr_len.isdigit():
- arg_conv = ty_info.rust_obj + " " + arr_name + "_ref;\n"
- arg_conv = arg_conv + arr_name + "_ref." + ty_info.arr_access + " = (*_env)->GetByteArrayElements (_env, " + arr_name + ", NULL);\n"
- arg_conv = arg_conv + arr_name + "_ref." + arr_len + " = (*_env)->GetArrayLength (_env, " + arr_name + ");"
- arg_conv_cleanup = "(*_env)->ReleaseByteArrayElements(_env, " + arr_name + ", (int8_t*)" + arr_name + "_ref." + ty_info.arr_access + ", 0);"
- arr_access = "." + ty_info.arr_access
+ if ty_info.c_ty == "jbyteArray":
+ ret_conv = ("jbyteArray " + arr_name + "_arr = (*_env)->NewByteArray(_env, " + arr_len + ");\n" + "(*_env)->SetByteArrayRegion(_env, " + arr_name + "_arr, 0, " + arr_len + ", ", "")
+ arg_conv_cleanup = None
+ if not arr_len.isdigit():
+ arg_conv = ty_info.rust_obj + " " + arr_name + "_ref;\n"
+ arg_conv = arg_conv + arr_name + "_ref." + ty_info.arr_access + " = (*_env)->GetByteArrayElements (_env, " + arr_name + ", NULL);\n"
+ arg_conv = arg_conv + arr_name + "_ref." + arr_len + " = (*_env)->GetArrayLength (_env, " + arr_name + ");"
+ arg_conv_cleanup = "(*_env)->ReleaseByteArrayElements(_env, " + arr_name + ", (int8_t*)" + arr_name + "_ref." + ty_info.arr_access + ", 0);"
+ ret_conv = (ty_info.rust_obj + " " + arr_name + "_var = ", "")
+ ret_conv = (ret_conv[0], ";\njbyteArray " + arr_name + "_arr = (*_env)->NewByteArray(_env, " + arr_name + "_var." + arr_len + ");\n")
+ ret_conv = (ret_conv[0], ret_conv[1] + "(*_env)->SetByteArrayRegion(_env, " + arr_name + "_arr, 0, " + arr_name + "_var." + arr_len + ", " + arr_name + "_var." + ty_info.arr_access + ");")
+ if not holds_ref and ty_info.rust_obj == "LDKCVec_u8Z":
+ ret_conv = (ret_conv[0], ret_conv[1] + "\nCVec_u8Z_free(" + arr_name + "_var);")
+ elif ty_info.rust_obj is not None:
+ arg_conv = ty_info.rust_obj + " " + arr_name + "_ref;\n"
+ arg_conv = arg_conv + "CHECK((*_env)->GetArrayLength (_env, " + arr_name + ") == " + arr_len + ");\n"
+ arg_conv = arg_conv + "(*_env)->GetByteArrayRegion (_env, " + arr_name + ", 0, " + arr_len + ", " + arr_name + "_ref." + ty_info.arr_access + ");"
+ ret_conv = (ret_conv[0], "." + ty_info.arr_access + ");")
+ else:
+ arg_conv = "unsigned char " + arr_name + "_arr[" + arr_len + "];\n"
+ arg_conv = arg_conv + "CHECK((*_env)->GetArrayLength (_env, " + arr_name + ") == " + arr_len + ");\n"
+ arg_conv = arg_conv + "(*_env)->GetByteArrayRegion (_env, " + arr_name + ", 0, " + arr_len + ", " + arr_name + "_arr);\n" + "unsigned char (*" + arr_name + "_ref)[" + arr_len + "] = &" + arr_name + "_arr;"
+ ret_conv = (ret_conv[0] + "*", ");")
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = arg_conv, arg_conv_name = arr_name + "_ref", arg_conv_cleanup = arg_conv_cleanup,
+ ret_conv = ret_conv, ret_conv_name = arr_name + "_arr", to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None)
+ else:
+ assert not arr_len.isdigit() # fixed length arrays not implemented
+ assert ty_info.java_ty[len(ty_info.java_ty) - 2:] == "[]"
+ conv_name = "arr_conv_" + str(len(ty_info.java_hu_ty))
+ idxc = chr(ord('a') + (len(ty_info.java_hu_ty) % 26))
+ ty_info.subty.var_name = conv_name
+ subty = map_type_with_info(ty_info.subty, False, None, is_free, holds_ref)
+ if arr_name == "":
+ arr_name = "arg"
+ arg_conv = ty_info.rust_obj + " " + arr_name + "_constr;\n"
+ arg_conv = arg_conv + arr_name + "_constr." + arr_len + " = (*_env)->GetArrayLength (_env, " + arr_name + ");\n"
+ arg_conv = arg_conv + "if (" + arr_name + "_constr." + arr_len + " > 0)\n"
+ if subty.rust_obj is None:
+ szof = subty.c_ty
+ else:
+ szof = subty.rust_obj
+ 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"
+ arg_conv = arg_conv + "else\n"
+ arg_conv = arg_conv + "\t" + arr_name + "_constr." + ty_info.arr_access + " = NULL;\n"
+ if not ty_info.java_ty[:len(ty_info.java_ty) - 2].endswith("[]"):
+ arg_conv = arg_conv + ty_info.java_ty.strip("[]") + "* " + arr_name + "_vals = (*_env)->Get" + ty_info.subty.java_ty.title() + "ArrayElements (_env, " + arr_name + ", NULL);\n"
+ arg_conv = arg_conv + "for (size_t " + idxc + " = 0; " + idxc + " < " + arr_name + "_constr." + arr_len + "; " + idxc + "++) {\n"
+ if not ty_info.java_ty[:len(ty_info.java_ty) - 2].endswith("[]"):
+ arg_conv = arg_conv + "\t" + ty_info.java_ty.strip("[]") + " " + conv_name + " = " + arr_name + "_vals[" + idxc + "];"
+ if subty.arg_conv is not None:
+ arg_conv = arg_conv + "\n\t" + subty.arg_conv.replace("\n", "\n\t")
+ else:
+ arg_conv = arg_conv + "\tjobject " + conv_name + " = (*_env)->GetObjectArrayElement(_env, " + arr_name + ", " + idxc + ");\n"
+ arg_conv = arg_conv + "\t" + subty.arg_conv.replace("\n", "\n\t")
+ arg_conv = arg_conv + "\n\t" + arr_name + "_constr." + ty_info.arr_access + "[" + idxc + "] = " + subty.arg_conv_name + ";\n}"
+ if not ty_info.java_ty[:len(ty_info.java_ty) - 2].endswith("[]"):
+ arg_conv = arg_conv + "\n(*_env)->Release" + ty_info.java_ty.strip("[]").title() + "ArrayElements (_env, " + arr_name + ", " + arr_name + "_vals, 0);"
+ if ty_info.is_ptr:
+ arg_conv_name = "&" + arr_name + "_constr"
+ else:
+ arg_conv_name = arr_name + "_constr"
+ arg_conv_cleanup = None
+ if ty_info.is_ptr:
+ arg_conv_cleanup = "FREE(" + arr_name + "_constr." + ty_info.arr_access + ");"
+
+ if arr_name == "arg":
+ arr_name = "ret"
ret_conv = (ty_info.rust_obj + " " + arr_name + "_var = ", "")
- ret_conv = (ret_conv[0], ";\njbyteArray " + arr_name + "_arr = (*_env)->NewByteArray(_env, " + arr_name + "_var." + arr_len + ");\n")
- ret_conv = (ret_conv[0], ret_conv[1] + "(*_env)->SetByteArrayRegion(_env, " + arr_name + "_arr, 0, " + arr_name + "_var." + arr_len + ", " + arr_name + "_var." + ty_info.arr_access + ");")
- elif ty_info.rust_obj is not None:
- arg_conv = ty_info.rust_obj + " " + arr_name + "_ref;\n"
- arg_conv = arg_conv + "CHECK((*_env)->GetArrayLength (_env, " + arr_name + ") == " + arr_len + ");\n"
- arg_conv = arg_conv + "(*_env)->GetByteArrayRegion (_env, " + arr_name + ", 0, " + arr_len + ", " + arr_name + "_ref." + ty_info.arr_access + ");"
- ret_conv = (ret_conv[0], "." + ty_info.arr_access + ");")
+ if subty.ret_conv is None:
+ ret_conv = ("DUMMY", "DUMMY")
+ elif not ty_info.java_ty[:len(ty_info.java_ty) - 2].endswith("[]"):
+ ret_conv = (ret_conv[0], ";\n" + ty_info.c_ty + " " + arr_name + "_arr = (*_env)->New" + ty_info.java_ty.strip("[]").title() + "Array(_env, " + arr_name + "_var." + arr_len + ");\n")
+ ret_conv = (ret_conv[0], ret_conv[1] + subty.c_ty + " *" + arr_name + "_arr_ptr = (*_env)->GetPrimitiveArrayCritical(_env, " + arr_name + "_arr, NULL);\n")
+ ret_conv = (ret_conv[0], ret_conv[1] + "for (size_t " + idxc + " = 0; " + idxc + " < " + arr_name + "_var." + arr_len + "; " + idxc + "++) {\n")
+ ret_conv = (ret_conv[0], ret_conv[1] + "\t" + subty.ret_conv[0].replace("\n", "\n\t"))
+ ret_conv = (ret_conv[0], ret_conv[1] + arr_name + "_var." + ty_info.arr_access + "[" + idxc + "]" + subty.ret_conv[1].replace("\n", "\n\t"))
+ ret_conv = (ret_conv[0], ret_conv[1] + "\n\t" + arr_name + "_arr_ptr[" + idxc + "] = " + subty.ret_conv_name + ";\n")
+ ret_conv = (ret_conv[0], ret_conv[1] + "}\n(*_env)->ReleasePrimitiveArrayCritical(_env, " + arr_name + "_arr, " + arr_name + "_arr_ptr, 0);")
+ else:
+ ret_conv = (ret_conv[0], ";\n" + ty_info.c_ty + " " + arr_name + "_arr = (*_env)->NewObjectArray(_env, " + arr_name + "_var." + arr_len + ", NULL, NULL);\n") # XXX: second arg needs to be a clazz!
+ ret_conv = (ret_conv[0], ret_conv[1] + "for (size_t " + idxc + " = 0; " + idxc + " < " + arr_name + "_var." + arr_len + "; " + idxc + "++) {\n")
+ ret_conv = (ret_conv[0], ret_conv[1] + "\t" + subty.ret_conv[0].replace("\n", "\n\t"))
+ ret_conv = (ret_conv[0], ret_conv[1] + arr_name + "_var." + ty_info.arr_access + "[" + idxc + "]" + subty.ret_conv[1].replace("\n", "\n\t"))
+ ret_conv = (ret_conv[0], ret_conv[1] + "\n\t(*_env)->SetObjectArrayElement(_env, " + arr_name + "_arr, " + idxc + ", " + subty.ret_conv_name + ");\n")
+ ret_conv = (ret_conv[0], ret_conv[1] + "}")
+ if not holds_ref:
+ if subty.rust_obj is not None and subty.rust_obj in opaque_structs:
+ ret_conv = (ret_conv[0], ret_conv[1] + "\nFREE(" + arr_name + "_var." + ty_info.arr_access + ");")
+ else:
+ ret_conv = (ret_conv[0], ret_conv[1] + "\n" + ty_info.rust_obj.replace("LDK", "") + "_free(" + arr_name + "_var);")
+
+ to_hu_conv = None
+ to_hu_conv_name = None
+ if subty.to_hu_conv is not None:
+ to_hu_conv = ty_info.java_hu_ty + " " + conv_name + "_arr = new " + ty_info.subty.java_hu_ty.split("<")[0] + "[" + arr_name + ".length];\n"
+ to_hu_conv = to_hu_conv + "for (int " + idxc + " = 0; " + idxc + " < " + arr_name + ".length; " + idxc + "++) {\n"
+ to_hu_conv = to_hu_conv + "\t" + subty.java_ty + " " + conv_name + " = " + arr_name + "[" + idxc + "];\n"
+ to_hu_conv = to_hu_conv + "\t" + subty.to_hu_conv.replace("\n", "\n\t") + "\n"
+ to_hu_conv = to_hu_conv + "\t" + conv_name + "_arr[" + idxc + "] = " + subty.to_hu_conv_name + ";\n}"
+ to_hu_conv_name = conv_name + "_arr"
+ from_hu_conv = None
+ if subty.from_hu_conv is not None:
+ if subty.java_ty == "long" and subty.java_hu_ty != "long":
+ from_hu_conv = ("Arrays.stream(" + arr_name + ").mapToLong(" + conv_name + " -> " + subty.from_hu_conv[0] + ").toArray()", "/* TODO 2 " + subty.java_hu_ty + " */")
+ elif subty.java_ty == "long":
+ from_hu_conv = ("Arrays.stream(" + arr_name + ").map(" + conv_name + " -> " + subty.from_hu_conv[0] + ").toArray()", "/* TODO 2 " + subty.java_hu_ty + " */")
+ else:
+ 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 + " */")
+
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = arg_conv, arg_conv_name = arg_conv_name, arg_conv_cleanup = arg_conv_cleanup,
+ 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)
+ elif ty_info.java_ty == "String":
+ if ty_info.arr_access is None:
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = None, arg_conv_name = None, arg_conv_cleanup = None,
+ ret_conv = ("jstring " + ty_info.var_name + "_conv = (*_env)->NewStringUTF(_env, ", ");"), ret_conv_name = ty_info.var_name + "_conv",
+ to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None)
+ else:
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = None, arg_conv_name = None, arg_conv_cleanup = None,
+ ret_conv = ("LDKStr " + ty_info.var_name + "_str = ",
+ ";\nchar* " + ty_info.var_name + "_buf = MALLOC(" + ty_info.var_name + "_str." + ty_info.arr_len + " + 1, \"str conv buf\");\n" +
+ "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" +
+ ty_info.var_name + "_buf[" + ty_info.var_name + "_str." + ty_info.arr_len + "] = 0;\n" +
+ "jstring " + ty_info.var_name + "_conv = (*_env)->NewStringUTF(_env, " + ty_info.var_name + "_str." + ty_info.arr_access + ");\n" +
+ "FREE(" + ty_info.var_name + "_buf);"),
+ ret_conv_name = ty_info.var_name + "_conv", to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None)
+ elif ty_info.var_name == "" and not print_void:
+ # We don't have a parameter name, and want one, just call it arg
+ if ty_info.rust_obj is not None:
+ assert(not is_free or ty_info.rust_obj not in opaque_structs)
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = ty_info.rust_obj + " arg_conv = *(" + ty_info.rust_obj + "*)arg;\nFREE((void*)arg);",
+ arg_conv_name = "arg_conv", arg_conv_cleanup = None,
+ ret_conv = None, ret_conv_name = None, to_hu_conv = "TODO 7", to_hu_conv_name = None, from_hu_conv = None)
else:
- arg_conv = "unsigned char " + arr_name + "_arr[" + arr_len + "];\n"
- arg_conv = arg_conv + "CHECK((*_env)->GetArrayLength (_env, " + arr_name + ") == " + arr_len + ");\n"
- arg_conv = arg_conv + "(*_env)->GetByteArrayRegion (_env, " + arr_name + ", 0, " + arr_len + ", " + arr_name + "_arr);\n" + "unsigned char (*" + arr_name + "_ref)[" + arr_len + "] = &" + arr_name + "_arr;"
- ret_conv = (ret_conv[0] + "*", ");")
+ assert(not is_free)
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = None, arg_conv_name = "arg", arg_conv_cleanup = None,
+ ret_conv = None, ret_conv_name = None, to_hu_conv = "TODO 8", to_hu_conv_name = None, from_hu_conv = None)
+ elif ty_info.rust_obj is None:
return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
- arg_conv = arg_conv, arg_conv_name = arr_name + "_ref", arg_conv_cleanup = arg_conv_cleanup,
- ret_conv = ret_conv, ret_conv_name = arr_name + "_arr")
- elif ty_info.var_name != "":
+ arg_conv = None, arg_conv_name = ty_info.var_name, arg_conv_cleanup = None,
+ ret_conv = None, ret_conv_name = None, to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None)
+ else:
# If we have a parameter name, print it (noting that it may indicate its a pointer)
- if ty_info.rust_obj is not None:
- assert(ty_info.passed_as_ptr)
- opaque_arg_conv = ty_info.rust_obj + " " + ty_info.var_name + "_conv;\n"
- opaque_arg_conv = opaque_arg_conv + ty_info.var_name + "_conv.inner = (void*)(" + ty_info.var_name + " & (~1));\n"
- opaque_arg_conv = opaque_arg_conv + ty_info.var_name + "_conv.is_owned = (" + ty_info.var_name + " & 1) || (" + ty_info.var_name + " == 0);"
- if not ty_info.is_ptr and not is_free:
- if (ty_info.rust_obj.replace("LDK", "") + "_clone") in clone_fns:
- # 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.
- opaque_arg_conv = opaque_arg_conv + "\nif (" + ty_info.var_name + "_conv.inner != NULL)\n"
- opaque_arg_conv = opaque_arg_conv + "\t" + ty_info.var_name + "_conv = " + ty_info.rust_obj.replace("LDK", "") + "_clone(&" + ty_info.var_name + "_conv);"
- elif ty_info.passed_as_ptr:
- opaque_arg_conv = opaque_arg_conv + "\n// Warning: we may need a move here but can't clone!"
- if not ty_info.is_ptr:
- if ty_info.rust_obj in unitary_enums:
- return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
- arg_conv = ty_info.rust_obj + " " + ty_info.var_name + "_conv = " + ty_info.rust_obj + "_from_java(_env, " + ty_info.var_name + ");",
- arg_conv_name = ty_info.var_name + "_conv",
- arg_conv_cleanup = None,
- ret_conv = ("jclass " + ty_info.var_name + "_conv = " + ty_info.rust_obj + "_to_java(_env, ", ");"),
- ret_conv_name = ty_info.var_name + "_conv")
- if ty_info.rust_obj in opaque_structs:
- ret_conv_suf = ";\nCHECK((((long)" + ty_info.var_name + "_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.\n"
- ret_conv_suf = ret_conv_suf + "CHECK((((long)&" + ty_info.var_name + "_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.\n"
+ assert(ty_info.passed_as_ptr)
+ opaque_arg_conv = ty_info.rust_obj + " " + ty_info.var_name + "_conv;\n"
+ opaque_arg_conv = opaque_arg_conv + ty_info.var_name + "_conv.inner = (void*)(" + ty_info.var_name + " & (~1));\n"
+ opaque_arg_conv = opaque_arg_conv + ty_info.var_name + "_conv.is_owned = (" + ty_info.var_name + " & 1) || (" + ty_info.var_name + " == 0);"
+ if not ty_info.is_ptr and not is_free and not ty_info.pass_by_ref:
+ if (ty_info.java_hu_ty + "_clone") in clone_fns:
+ # 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.
+ opaque_arg_conv = opaque_arg_conv + "\nif (" + ty_info.var_name + "_conv.inner != NULL)\n"
+ opaque_arg_conv = opaque_arg_conv + "\t" + ty_info.var_name + "_conv = " + ty_info.java_hu_ty + "_clone(&" + ty_info.var_name + "_conv);"
+ elif ty_info.passed_as_ptr:
+ opaque_arg_conv = opaque_arg_conv + "\n// Warning: we may need a move here but can't clone!"
+ if not ty_info.is_ptr and ty_info.var_name != "":
+ if ty_info.rust_obj in unitary_enums:
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = ty_info.rust_obj + " " + ty_info.var_name + "_conv = " + ty_info.rust_obj + "_from_java(_env, " + ty_info.var_name + ");",
+ arg_conv_name = ty_info.var_name + "_conv",
+ arg_conv_cleanup = None,
+ ret_conv = ("jclass " + ty_info.var_name + "_conv = " + ty_info.rust_obj + "_to_java(_env, ", ");"),
+ ret_conv_name = ty_info.var_name + "_conv", to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None)
+ if ty_info.rust_obj in opaque_structs:
+ ret_conv_suf = ";\nCHECK((((long)" + ty_info.var_name + "_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.\n"
+ ret_conv_suf = ret_conv_suf + "CHECK((((long)&" + ty_info.var_name + "_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.\n"
+ if holds_ref:
+ ret_conv_suf = ret_conv_suf + "long " + ty_info.var_name + "_ref = (long)" + ty_info.var_name + "_var.inner & ~1;"
+ else:
ret_conv_suf = ret_conv_suf + "long " + ty_info.var_name + "_ref;\n"
ret_conv_suf = ret_conv_suf + "if (" + ty_info.var_name + "_var.is_owned) {\n"
ret_conv_suf = ret_conv_suf + "\t" + ty_info.var_name + "_ref = (long)" + ty_info.var_name + "_var.inner | 1;\n"
ret_conv_suf = ret_conv_suf + "} else {\n"
- ret_conv_suf = ret_conv_suf + "\t" + ty_info.var_name + "_ref = (long)&" + ty_info.var_name + "_var;\n"
+ ret_conv_suf = ret_conv_suf + "\t" + ty_info.var_name + "_ref = (long)" + ty_info.var_name + "_var.inner & ~1;\n"
ret_conv_suf = ret_conv_suf + "}"
- return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
- arg_conv = opaque_arg_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
- ret_conv = (ty_info.rust_obj + " " + ty_info.var_name + "_var = ", ret_conv_suf),
- ret_conv_name = ty_info.var_name + "_ref")
- base_conv = ty_info.rust_obj + " " + ty_info.var_name + "_conv = *(" + ty_info.rust_obj + "*)" + ty_info.var_name + ";";
- if ty_info.rust_obj in trait_structs:
- if not is_free:
- base_conv = base_conv + "\nif (" + ty_info.var_name + "_conv.free == " + ty_info.rust_obj + "_JCalls_free) {\n"
- base_conv = base_conv + "\t// If this_arg is a JCalls struct, then we need to increment the refcnt in it.\n"
- base_conv = base_conv + "\t" + ty_info.rust_obj + "_JCalls_clone(" + ty_info.var_name + "_conv.this_arg);\n}"
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = opaque_arg_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
+ ret_conv = (ty_info.rust_obj + " " + ty_info.var_name + "_var = ", ret_conv_suf),
+ ret_conv_name = ty_info.var_name + "_ref",
+ 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 + ");",
+ to_hu_conv_name = ty_info.var_name + "_hu_conv",
+ from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".ptr & ~1", "this.ptrs_to.add(" + ty_info.var_name + ")"))
+ base_conv = ty_info.rust_obj + " " + ty_info.var_name + "_conv = *(" + ty_info.rust_obj + "*)" + ty_info.var_name + ";";
+ if ty_info.rust_obj in trait_structs:
+ if not is_free:
+ base_conv = base_conv + "\nif (" + ty_info.var_name + "_conv.free == " + ty_info.rust_obj + "_JCalls_free) {\n"
+ base_conv = base_conv + "\t// If this_arg is a JCalls struct, then we need to increment the refcnt in it.\n"
+ base_conv = base_conv + "\t" + ty_info.rust_obj + "_JCalls_clone(" + ty_info.var_name + "_conv.this_arg);\n}"
+ else:
+ base_conv = base_conv + "\n" + "FREE((void*)" + ty_info.var_name + ");"
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = base_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
+ ret_conv = ("CANT PASS TRAIT TO Java?", ""), ret_conv_name = "NO CONV POSSIBLE",
+ to_hu_conv = "DUMMY", to_hu_conv_name = None,
+ from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".ptr", "this.ptrs_to.add(" + ty_info.var_name + ")"))
+ if ty_info.rust_obj != "LDKu8slice" and ty_info.rust_obj != "LDKTransaction":
+ # Don't bother free'ing slices passed in - Rust doesn't auto-free the
+ # underlying unlike Vecs, and it gives Java more freedom.
+ base_conv = base_conv + "\nFREE((void*)" + ty_info.var_name + ");";
+ if ty_info.rust_obj in complex_enums:
+ ret_conv = ("long " + ty_info.var_name + "_ref = (long)&", ";")
+ if not ty_info.is_ptr and not holds_ref and (ty_info.java_hu_ty + "_clone") in clone_fns:
+ ret_conv = (ty_info.rust_obj + " *" + ty_info.var_name + "_copy = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n", "")
+ ret_conv = (ret_conv[0] + "*" + ty_info.var_name + "_copy = " + ty_info.java_hu_ty + "_clone(&", ");\n")
+ ret_conv = (ret_conv[0], ret_conv[1] + "long " + ty_info.var_name + "_ref = (long)" + ty_info.var_name + "_copy;")
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = base_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
+ ret_conv = ret_conv, ret_conv_name = ty_info.var_name + "_ref",
+ 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 + ");",
+ to_hu_conv_name = ty_info.var_name + "_hu_conv", from_hu_conv = (ty_info.var_name + ".ptr", ""))
+ if ty_info.rust_obj in tuple_types:
+ from_hu_conv = "bindings." + tuple_types[ty_info.rust_obj][1].replace("LDK", "") + "_new("
+ to_hu_conv_pfx = ""
+ to_hu_conv_sfx = ty_info.java_hu_ty + " " + ty_info.var_name + "_conv = new " + ty_info.java_hu_ty + "("
+ for idx, conv in enumerate(tuple_types[ty_info.rust_obj][0]):
+ if idx != 0:
+ to_hu_conv_sfx = to_hu_conv_sfx + ", "
+ from_hu_conv = from_hu_conv + ", "
+ conv.var_name = ty_info.var_name + "_" + chr(idx + ord("a"))
+ conv_map = map_type_with_info(conv, False, None, is_free, holds_ref)
+ 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"
+ if conv_map.to_hu_conv is not None:
+ to_hu_conv_pfx = to_hu_conv_pfx + conv_map.to_hu_conv + ";\n"
+ to_hu_conv_sfx = to_hu_conv_sfx + conv_map.to_hu_conv_name
+ else:
+ to_hu_conv_sfx = to_hu_conv_sfx + ty_info.var_name + "_" + chr(idx + ord("a"))
+ if conv_map.from_hu_conv is not None:
+ 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")))
+ if conv_map.from_hu_conv[1] != "":
+ from_hu_conv = from_hu_conv + "/*XXX: " + conv_map.from_hu_conv[1] + "*/"
else:
- base_conv = base_conv + "\n" + "FREE((void*)" + ty_info.var_name + ");"
- return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
- arg_conv = base_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
- ret_conv = ("CANT PASS TRAIT TO Java?", ""), ret_conv_name = "NO CONV POSSIBLE")
- if ty_info.rust_obj != "LDKu8slice":
- # Don't bother free'ing slices passed in - Rust doesn't auto-free the
- # underlying unlike Vecs, and it gives Java more freedom.
- base_conv = base_conv + "\nFREE((void*)" + ty_info.var_name + ");";
+ from_hu_conv = from_hu_conv + ty_info.var_name + "." + chr(idx + ord("a"))
+
return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
arg_conv = base_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
- ret_conv = ("long " + ty_info.var_name + "_ref = (long)&", ";"), ret_conv_name = ty_info.var_name + "_ref")
- else:
- assert(not is_free)
- if ty_info.rust_obj in opaque_structs:
- return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
- arg_conv = opaque_arg_conv, arg_conv_name = "&" + ty_info.var_name + "_conv", arg_conv_cleanup = None,
- ret_conv = None, ret_conv_name = None) # its a pointer, no conv needed
+ ret_conv = ("long " + ty_info.var_name + "_ref = (long)&", ";"), ret_conv_name = ty_info.var_name + "_ref",
+ 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 + ")", ""))
+
+ # The manually-defined types - TxOut and Transaction
+ assert ty_info.rust_obj == "LDKTransaction" or ty_info.rust_obj == "LDKTxOut"
+ if ty_info.rust_obj == "LDKTransaction":
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = base_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
+ ret_conv = ("LDKTransaction *" + ty_info.var_name + "_copy = MALLOC(sizeof(LDKTransaction), \"LDKTransaction\");\n*" + ty_info.var_name + "_copy = ", ";\nlong " + ty_info.var_name + "_ref = (long)" + ty_info.var_name + "_copy;"),
+ ret_conv_name = ty_info.var_name + "_ref",
+ to_hu_conv = ty_info.java_hu_ty + " " + ty_info.var_name + "_conv = new " +ty_info.java_hu_ty + "(null, " + ty_info.var_name + ");",
+ to_hu_conv_name = ty_info.var_name + "_conv", from_hu_conv = (ty_info.var_name + ".ptr", ""))
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = base_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
+ ret_conv = ("long " + ty_info.var_name + "_ref = (long)&", ";"), ret_conv_name = ty_info.var_name + "_ref",
+ to_hu_conv = ty_info.java_hu_ty + " " + ty_info.var_name + "_conv = new " +ty_info.java_hu_ty + "(null, " + ty_info.var_name + ");",
+ to_hu_conv_name = ty_info.var_name + "_conv", from_hu_conv = (ty_info.var_name + ".ptr", ""))
+ elif ty_info.is_ptr:
+ assert(not is_free)
+ if ty_info.rust_obj in opaque_structs:
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = opaque_arg_conv, arg_conv_name = "&" + ty_info.var_name + "_conv", arg_conv_cleanup = None,
+ ret_conv = ("long ret_" + ty_info.var_name + " = (long)", ";"), ret_conv_name = "ret_" + ty_info.var_name,
+ 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 + ");",
+ to_hu_conv_name = ty_info.var_name + "_hu_conv",
+ from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".ptr & ~1", "this.ptrs_to.add(" + ty_info.var_name + ")"))
+ elif ty_info.rust_obj in complex_enums:
return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
arg_conv = ty_info.rust_obj + "* " + ty_info.var_name + "_conv = (" + ty_info.rust_obj + "*)" + ty_info.var_name + ";",
arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
- ret_conv = None, ret_conv_name = None) # its a pointer, no conv needed
- elif ty_info.is_ptr:
+ ret_conv = ("long ret_" + ty_info.var_name + " = (long)", ";"), ret_conv_name = "ret_" + ty_info.var_name,
+ 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 + ");",
+ to_hu_conv_name = ty_info.var_name + "_hu_conv",
+ from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".ptr & ~1", "this.ptrs_to.add(" + ty_info.var_name + ")"))
+ elif ty_info.rust_obj in trait_structs:
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = ty_info.rust_obj + "* " + ty_info.var_name + "_conv = (" + ty_info.rust_obj + "*)" + ty_info.var_name + ";",
+ arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
+ ret_conv = ("long ret_" + ty_info.var_name + " = (long)", ";"), ret_conv_name = "ret_" + ty_info.var_name,
+ to_hu_conv = ty_info.java_hu_ty + " ret_hu_conv = new " + ty_info.java_hu_ty + "(null, ret);\nret_hu_conv.ptrs_to.add(this);",
+ to_hu_conv_name = "ret_hu_conv",
+ from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".ptr", "this.ptrs_to.add(" + ty_info.var_name + ")"))
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = ty_info.rust_obj + "* " + ty_info.var_name + "_conv = (" + ty_info.rust_obj + "*)" + ty_info.var_name + ";",
+ arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None,
+ ret_conv = ("long ret_" + ty_info.var_name + " = (long)", ";"), ret_conv_name = "ret_" + ty_info.var_name,
+ to_hu_conv = "TODO 3", to_hu_conv_name = None, from_hu_conv = None) # its a pointer, no conv needed
+ # We don't have a parameter name, and don't want one (cause we're returning)
+ assert not ty_info.is_ptr
+ if ty_info.rust_obj in unitary_enums:
return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
- arg_conv = None, arg_conv_name = ty_info.var_name, arg_conv_cleanup = None, ret_conv = None, ret_conv_name = None)
- elif ty_info.java_ty == "String":
+ arg_conv = ty_info.rust_obj + " ret_conv = " + ty_info.rust_obj + "_from_java(_env, ret);",
+ arg_conv_name = "ret_conv", arg_conv_cleanup = None,
+ ret_conv = ("jclass ret = " + ty_info.rust_obj + "_to_java(_env, ", ");"), ret_conv_name = "ret",
+ to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None)
+ if ty_info.rust_obj in complex_enums or ty_info.rust_obj in result_types:
return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ ret_conv = (ty_info.rust_obj + "* ret = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n*ret = ", ";"),
+ ret_conv_name = "(long)ret",
arg_conv = None, arg_conv_name = None, arg_conv_cleanup = None,
- ret_conv = ("jstring " + ty_info.var_name + "_conv = (*_env)->NewStringUTF(_env, ", ");"), ret_conv_name = ty_info.var_name + "_conv")
- else:
+ to_hu_conv = ty_info.java_hu_ty + " ret_hu_conv = " + ty_info.java_hu_ty + ".constr_from_ptr(ret);\nret_hu_conv.ptrs_to.add(this);",
+ to_hu_conv_name = "ret_hu_conv", from_hu_conv = ("ret != null ? ret.ptr : 0", ""))
+ if ty_info.rust_obj in opaque_structs:
+ # If we're returning a newly-allocated struct, we don't want Rust to ever
+ # free, instead relying on the Java GC to lose the ref. We undo this in
+ # any _free function.
+ # To avoid any issues, we first assert that the incoming object is non-ref.
return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
- arg_conv = None, arg_conv_name = ty_info.var_name, arg_conv_cleanup = None, ret_conv = None, ret_conv_name = None)
- elif not print_void:
- # We don't have a parameter name, and want one, just call it arg
- if ty_info.rust_obj is not None:
- assert(not is_free or ty_info.rust_obj not in opaque_structs);
+ ret_conv = (ty_info.rust_obj + " ret = ", ";"),
+ ret_conv_name = "((long)ret.inner) | (ret.is_owned ? 1 : 0)",
+ arg_conv = None, arg_conv_name = None, arg_conv_cleanup = None,
+ to_hu_conv = ty_info.java_hu_ty + " ret_hu_conv = new " + ty_info.java_hu_ty + "(null, ret);",
+ to_hu_conv_name = "ret_hu_conv", from_hu_conv = None)
+ elif ty_info.rust_obj in trait_structs:
return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
- arg_conv = ty_info.rust_obj + " arg_conv = *(" + ty_info.rust_obj + "*)arg;\nFREE((void*)arg);",
- arg_conv_name = "arg_conv", arg_conv_cleanup = None,
- ret_conv = None, ret_conv_name = None)
- else:
- assert(not is_free)
+ ret_conv = (ty_info.rust_obj + "* ret = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n*ret = ", ";"),
+ ret_conv_name = "(long)ret",
+ arg_conv = None, arg_conv_name = None, arg_conv_cleanup = None,
+ to_hu_conv = ty_info.java_hu_ty + " ret_hu_conv = new " + ty_info.java_hu_ty + "(null, ret);\nret_hu_conv.ptrs_to.add(this);",
+ to_hu_conv_name = "ret_hu_conv", from_hu_conv = ("ret.ptr", ""))
+ elif ty_info.rust_obj in tuple_types:
return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
- arg_conv = None, arg_conv_name = "arg", arg_conv_cleanup = None, ret_conv = None, ret_conv_name = None)
- else:
- # We don't have a parameter name, and don't want one (cause we're returning)
- if ty_info.rust_obj is not None:
- if not ty_info.is_ptr:
- if ty_info.rust_obj in unitary_enums:
- return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
- arg_conv = ty_info.rust_obj + " ret = " + ty_info.rust_obj + "_from_java(_env, " + ty_info.var_name + ");",
- arg_conv_name = "ret", arg_conv_cleanup = None,
- ret_conv = ("jclass ret = " + ty_info.rust_obj + "_to_java(_env, ", ");"), ret_conv_name = "ret")
- if ty_info.rust_obj in opaque_structs:
- # If we're returning a newly-allocated struct, we don't want Rust to ever
- # free, instead relying on the Java GC to lose the ref. We undo this in
- # any _free function.
- # To avoid any issues, we first assert that the incoming object is non-ref.
- return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
- ret_conv = (ty_info.rust_obj + " ret = ", ";"),
- ret_conv_name = "((long)ret.inner) | (ret.is_owned ? 1 : 0)",
- arg_conv = None, arg_conv_name = None, arg_conv_cleanup = None)
- else:
- return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
- ret_conv = (ty_info.rust_obj + "* ret = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n*ret = ", ";"),
- ret_conv_name = "(long)ret",
- arg_conv = None, arg_conv_name = None, arg_conv_cleanup = None)
- else:
- return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
- ret_conv = ("long ret = (long)", ";"), ret_conv_name = "ret",
- arg_conv = None, arg_conv_name = None, arg_conv_cleanup = None)
+ ret_conv = (ty_info.rust_obj + "* ret = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n*ret = ", ";"),
+ ret_conv_name = "(long)ret",
+ arg_conv = None, arg_conv_name = None, arg_conv_cleanup = None,
+ to_hu_conv = ty_info.java_hu_ty + " ret_hu_conv = new " + ty_info.java_hu_ty + "(null, ret);\nret_hu_conv.ptrs_to.add(this);",
+ to_hu_conv_name = "ret_hu_conv", from_hu_conv = ("bindings." + ty_info.rust_obj.replace("LDK", "") + "_new(ret.a, ret.b)", ""))
else:
return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
- arg_conv = None, arg_conv_name = None, arg_conv_cleanup = None, ret_conv = None, ret_conv_name = None)
+ ret_conv = (ty_info.rust_obj + "* ret = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n*ret = ", ";"),
+ ret_conv_name = "(long)ret",
+ arg_conv = None, arg_conv_name = None, arg_conv_cleanup = None,
+ to_hu_conv = ty_info.java_hu_ty + " ret_hu_conv = new " + ty_info.java_hu_ty + "(null, ret);\nret_hu_conv.ptrs_to.add(this);",
+ to_hu_conv_name = "ret_hu_conv", from_hu_conv = None)
def map_fn(line, re_match, ret_arr_len, c_call_string):
out_java.write("\t// " + line)
is_free = re_match.group(2).endswith("_free")
struct_meth = re_match.group(2).split("_")[0]
- ret_info = map_type(re_match.group(1), True, ret_arr_len, False)
+ ret_info = map_type(re_match.group(1), True, ret_arr_len, False, False)
ret_info.print_ty()
if ret_info.ret_conv is not None:
arg_names = []
default_constructor_args = {}
takes_self = False
- args_known = not ret_info.passed_as_ptr or ret_info.rust_obj in opaque_structs or ret_info.rust_obj in trait_structs
+ args_known = not ret_info.passed_as_ptr or ret_info.rust_obj in opaque_structs or ret_info.rust_obj in trait_structs or ret_info.rust_obj in complex_enums or ret_info.rust_obj in result_types
for idx, arg in enumerate(re_match.group(3).split(',')):
if idx != 0:
out_java.write(", ")
if arg != "void":
out_c.write(", ")
- arg_conv_info = map_type(arg, False, None, is_free)
+ arg_conv_info = map_type(arg, False, None, is_free, False)
if arg_conv_info.c_ty != "void":
arg_conv_info.print_ty()
arg_conv_info.print_name()
- if arg_conv_info.arg_name == "this_arg":
+ if arg_conv_info.arg_name == "this_ptr" or arg_conv_info.arg_name == "this_arg":
takes_self = True
- if arg_conv_info.passed_as_ptr and not arg_conv_info.rust_obj in opaque_structs:
- if not arg_conv_info.rust_obj in trait_structs and not arg_conv_info.rust_obj in unitary_enums:
- args_known = False
if arg_conv_info.arg_conv is not None and "Warning" in arg_conv_info.arg_conv:
if arg_conv_info.rust_obj in constructor_fns:
assert not is_free
for explode_arg in constructor_fns[arg_conv_info.rust_obj].split(','):
- explode_arg_conv = map_type(explode_arg, False, None, False)
+ explode_arg_conv = map_type(explode_arg, False, None, False, False)
if explode_arg_conv.c_ty == "void":
# We actually want to handle this case, but for now its only used in NetGraphMsgHandler::new()
# which ends up resulting in a redundant constructor - both without arguments for the NetworkGraph.
args_known = False
+ assert explode_arg_conv.arg_name != "this_ptr"
assert explode_arg_conv.arg_name != "this_arg"
if explode_arg_conv.passed_as_ptr and not explode_arg_conv.rust_obj in trait_structs:
args_known = False
out_java_struct.close()
out_java_struct = None
else:
- out_java_struct.write("\tpublic ")
meth_n = re_match.group(2)[len(struct_meth) + 1:]
if ret_info.rust_obj == "LDK" + struct_meth:
- out_java_struct.write(struct_meth + "(")
- elif ret_info.rust_obj in opaque_structs or ret_info.rust_obj in trait_structs:
- out_java_struct.write(ret_info.rust_obj.replace("LDK", "") + " " + meth_n + "(")
+ out_java_struct.write("\tpublic static " + ret_info.java_hu_ty + " constructor_" + meth_n + "(")
else:
- out_java_struct.write(ret_info.java_ty + " " + meth_n + "(")
+ out_java_struct.write("\tpublic " + ret_info.java_hu_ty + " " + meth_n + "(")
for idx, arg in enumerate(arg_names):
if idx != 0:
if not takes_self or idx > 1:
out_java_struct.write(", ")
- if arg.java_ty != "void" and arg.arg_name != "this_arg":
+ if arg.java_ty != "void" and arg.arg_name != "this_ptr" and arg.arg_name != "this_arg":
if arg.arg_name in default_constructor_args:
for explode_idx, explode_arg in enumerate(default_constructor_args[arg.arg_name]):
if explode_idx != 0:
out_java_struct.write(", ")
assert explode_arg.rust_obj in opaque_structs or explode_arg.rust_obj in trait_structs
- out_java_struct.write(explode_arg.rust_obj.replace("LDK", "") + " " + arg.arg_name + "_" + explode_arg.arg_name)
- elif arg.passed_as_ptr:
- if arg.rust_obj in opaque_structs or arg.rust_obj in trait_structs:
- out_java_struct.write(arg.rust_obj.replace("LDK", "") + " " + arg.arg_name)
- else:
- out_java_struct.write(arg.rust_obj + " " + arg.arg_name)
+ out_java_struct.write(explode_arg.java_hu_ty + " " + arg.arg_name + "_" + explode_arg.arg_name)
else:
- out_java_struct.write(arg.java_ty + " " + arg.arg_name)
+ out_java_struct.write(arg.java_hu_ty + " " + arg.arg_name)
out_java.write(");\n")
out_c.write("\n}\n\n")
if out_java_struct is not None:
out_java_struct.write("\t\t")
- if ret_info.rust_obj == "LDK" + struct_meth:
- out_java_struct.write("super(")
- elif ret_info.java_ty != "void" and not ret_info.passed_as_ptr:
+ if ret_info.java_ty != "void":
out_java_struct.write(ret_info.java_ty + " ret = ")
- elif ret_info.java_ty != "void":
- out_java_struct.write(ret_info.rust_obj.replace("LDK", "") + " ret = ")
- if ret_info.rust_obj in opaque_structs or ret_info.rust_obj in trait_structs:
- out_java_struct.write("new " + ret_info.rust_obj.replace("LDK", "") + "(null, ")
out_java_struct.write("bindings." + re_match.group(2) + "(")
for idx, info in enumerate(arg_names):
if idx != 0:
out_java_struct.write(", ")
- if info.arg_name == "this_arg":
+ if info.arg_name == "this_ptr" or info.arg_name == "this_arg":
out_java_struct.write("this.ptr")
elif info.arg_name in default_constructor_args:
- out_java_struct.write("bindings." + info.rust_obj.replace("LDK", "") + "_new(")
+ out_java_struct.write("bindings." + info.java_hu_ty + "_new(")
for explode_idx, explode_arg in enumerate(default_constructor_args[info.arg_name]):
if explode_idx != 0:
out_java_struct.write(", ")
- assert explode_arg.passed_as_ptr and explode_arg.rust_obj in trait_structs
expl_arg_name = info.arg_name + "_" + explode_arg.arg_name
- out_java_struct.write(expl_arg_name + " == null ? 0 : " + expl_arg_name + ".ptr")
+ out_java_struct.write(explode_arg.from_hu_conv[0].replace(explode_arg.arg_name, expl_arg_name))
out_java_struct.write(")")
- elif info.passed_as_ptr and info.rust_obj in opaque_structs:
- out_java_struct.write(info.arg_name + " == null ? 0 : " + info.arg_name + ".ptr & ~1")
- elif info.passed_as_ptr and info.rust_obj in trait_structs:
- out_java_struct.write(info.arg_name + " == null ? 0 : " + info.arg_name + ".ptr")
+ elif info.from_hu_conv is not None:
+ out_java_struct.write(info.from_hu_conv[0])
else:
out_java_struct.write(info.arg_name)
- out_java_struct.write(")")
- if ret_info.rust_obj == "LDK" + struct_meth:
- out_java_struct.write(");\n")
- elif ret_info.rust_obj in opaque_structs:
- out_java_struct.write(");\n")
- elif ret_info.rust_obj in trait_structs:
- out_java_struct.write(");\n\t\tret.ptrs_to.add(this);\n")
- else:
- out_java_struct.write(";\n")
+ out_java_struct.write(");\n")
+ if ret_info.to_hu_conv is not None:
+ out_java_struct.write("\t\t" + ret_info.to_hu_conv.replace("\n", "\n\t\t") + "\n")
for info in arg_names:
- if info.arg_name == "this_arg":
+ if info.arg_name == "this_ptr" or info.arg_name == "this_arg":
pass
elif info.arg_name in default_constructor_args:
for explode_arg in default_constructor_args[info.arg_name]:
- out_java_struct.write("\t\tthis.ptrs_to.add(" + info.arg_name + "_" + explode_arg.arg_name + ");\n")
- elif info.passed_as_ptr and (info.rust_obj in opaque_structs or info.rust_obj in trait_structs):
- out_java_struct.write("\t\tthis.ptrs_to.add(" + info.arg_name + ");\n")
+ expl_arg_name = info.arg_name + "_" + explode_arg.arg_name
+ 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")
+ elif info.from_hu_conv is not None and info.from_hu_conv[1] != "":
+ if ret_info.rust_obj == "LDK" + struct_meth and ret_info.to_hu_conv_name is not None:
+ out_java_struct.write("\t\t" + info.from_hu_conv[1].replace("this", ret_info.to_hu_conv_name) + ";\n")
+ else:
+ out_java_struct.write("\t\t" + info.from_hu_conv[1] + ";\n")
- if ret_info.java_ty != "void" and ret_info.rust_obj != "LDK" + struct_meth:
+ if ret_info.to_hu_conv_name is not None:
+ out_java_struct.write("\t\treturn " + ret_info.to_hu_conv_name + ";\n")
+ elif ret_info.java_ty != "void" and ret_info.rust_obj != "LDK" + struct_meth:
out_java_struct.write("\t\treturn ret;\n")
out_java_struct.write("\t}\n\n")
out_java_struct.close()
out_c.write("}\n\n")
def map_complex_enum(struct_name, union_enum_items):
- tag_field_lines = union_enum_items["field_lines"]
- init_meth_jty_strs = {}
- for idx, struct_line in enumerate(tag_field_lines):
- if idx == 0:
- out_java.write("\tpublic static class " + struct_name + " {\n")
- out_java.write("\t\tprivate " + struct_name + "() {}\n")
- elif idx == len(tag_field_lines) - 3:
- assert(struct_line.endswith("_Sentinel,"))
- elif idx == len(tag_field_lines) - 2:
- out_java.write("\t\tstatic native void init();\n")
- out_java.write("\t}\n")
- elif idx == len(tag_field_lines) - 1:
- assert(struct_line == "")
- else:
- var_name = struct_line.strip(' ,')[len(struct_name) + 1:]
- out_java.write("\t\tpublic final static class " + var_name + " extends " + struct_name + " {\n")
- out_c.write("static jclass " + struct_name + "_" + var_name + "_class = NULL;\n")
- out_c.write("static jmethodID " + struct_name + "_" + var_name + "_meth = NULL;\n")
- init_meth_jty_str = ""
- init_meth_params = ""
- init_meth_body = ""
- if "LDK" + var_name in union_enum_items:
- enum_var_lines = union_enum_items["LDK" + var_name]
- for idx, field in enumerate(enum_var_lines):
- if idx != 0 and idx < len(enum_var_lines) - 2:
- field_ty = java_c_types(field.strip(' ;'), None)
- out_java.write("\t\t\tpublic " + field_ty.java_ty + " " + field_ty.var_name + ";\n")
- init_meth_jty_str = init_meth_jty_str + field_ty.java_fn_ty_arg
- if idx > 1:
- init_meth_params = init_meth_params + ", "
- init_meth_params = init_meth_params + field_ty.java_ty + " " + field_ty.var_name
- init_meth_body = init_meth_body + "this." + field_ty.var_name + " = " + field_ty.var_name + "; "
- out_java.write("\t\t\t" + var_name + "(" + init_meth_params + ") { ")
- out_java.write(init_meth_body)
- out_java.write("}\n")
- out_java.write("\t\t}\n")
- init_meth_jty_strs[var_name] = init_meth_jty_str
- out_java.write("\tstatic { " + struct_name + ".init(); }\n")
- out_java.write("\tpublic static native " + struct_name + " " + struct_name + "_ref_from_ptr(long ptr);\n");
-
- out_c.write("JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_00024" + struct_name.replace("_", "_1") + "_init (JNIEnv * env, jclass _a) {\n")
- for idx, struct_line in enumerate(tag_field_lines):
- if idx != 0 and idx < len(tag_field_lines) - 3:
- var_name = struct_line.strip(' ,')[len(struct_name) + 1:]
- out_c.write("\t" + struct_name + "_" + var_name + "_class =\n")
- out_c.write("\t\t(*env)->NewGlobalRef(env, (*env)->FindClass(env, \"Lorg/ldk/impl/bindings$" + struct_name + "$" + var_name + ";\"));\n")
- out_c.write("\tCHECK(" + struct_name + "_" + var_name + "_class != NULL);\n")
- out_c.write("\t" + struct_name + "_" + var_name + "_meth = (*env)->GetMethodID(env, " + struct_name + "_" + var_name + "_class, \"<init>\", \"(" + init_meth_jty_strs[var_name] + ")V\");\n")
- out_c.write("\tCHECK(" + struct_name + "_" + var_name + "_meth != NULL);\n")
- out_c.write("}\n")
- out_c.write("JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_" + struct_name.replace("_", "_1") + "_1ref_1from_1ptr (JNIEnv * env, jclass _c, jlong ptr) {\n")
- out_c.write("\t" + struct_name + " *obj = (" + struct_name + "*)ptr;\n")
- out_c.write("\tswitch(obj->tag) {\n")
- for idx, struct_line in enumerate(tag_field_lines):
- if idx != 0 and idx < len(tag_field_lines) - 3:
- var_name = struct_line.strip(' ,')[len(struct_name) + 1:]
- out_c.write("\t\tcase " + struct_name + "_" + var_name + ": {\n")
- c_params_text = ""
- if "LDK" + var_name in union_enum_items:
- enum_var_lines = union_enum_items["LDK" + var_name]
- for idx, field in enumerate(enum_var_lines):
- if idx != 0 and idx < len(enum_var_lines) - 2:
- field_map = map_type(field.strip(' ;'), False, None, False)
- if field_map.ret_conv is not None:
- out_c.write("\t\t\t" + field_map.ret_conv[0].replace("\n", "\n\t\t\t").replace("_env", "env"))
- out_c.write("obj->" + camel_to_snake(var_name) + "." + field_map.arg_name)
- out_c.write(field_map.ret_conv[1].replace("\n", "\n\t\t\t") + "\n")
- c_params_text = c_params_text + ", " + field_map.ret_conv_name
- else:
- c_params_text = c_params_text + ", obj->" + camel_to_snake(var_name) + "." + field_map.arg_name
- out_c.write("\t\t\treturn (*env)->NewObject(env, " + struct_name + "_" + var_name + "_class, " + struct_name + "_" + var_name + "_meth" + c_params_text + ");\n")
- out_c.write("\t\t}\n")
- out_c.write("\t\tdefault: abort();\n")
- out_c.write("\t}\n}\n")
+ java_hu_type = struct_name.replace("LDK", "")
+ complex_enums.add(struct_name)
+ with open(sys.argv[3] + "/structs/" + java_hu_type + ".java", "w") as out_java_enum:
+ out_java_enum.write(hu_struct_file_prefix)
+ out_java_enum.write("public class " + java_hu_type + " extends CommonBase {\n")
+ out_java_enum.write("\tprivate " + java_hu_type + "(Object _dummy, long ptr) { super(ptr); }\n")
+ out_java_enum.write("\t@Override @SuppressWarnings(\"deprecation\")\n")
+ out_java_enum.write("\tprotected void finalize() throws Throwable {\n")
+ out_java_enum.write("\t\tsuper.finalize();\n")
+ out_java_enum.write("\t\tif (ptr != 0) { bindings." + java_hu_type + "_free(ptr); }\n")
+ out_java_enum.write("\t}\n")
+ out_java_enum.write("\tstatic " + java_hu_type + " constr_from_ptr(long ptr) {\n")
+ out_java_enum.write("\t\tbindings." + struct_name + " raw_val = bindings." + struct_name + "_ref_from_ptr(ptr);\n")
+ java_hu_subclasses = ""
+
+ tag_field_lines = union_enum_items["field_lines"]
+ init_meth_jty_strs = {}
+ for idx, struct_line in enumerate(tag_field_lines):
+ if idx == 0:
+ out_java.write("\tpublic static class " + struct_name + " {\n")
+ out_java.write("\t\tprivate " + struct_name + "() {}\n")
+ elif idx == len(tag_field_lines) - 3:
+ assert(struct_line.endswith("_Sentinel,"))
+ elif idx == len(tag_field_lines) - 2:
+ out_java.write("\t\tstatic native void init();\n")
+ out_java.write("\t}\n")
+ elif idx == len(tag_field_lines) - 1:
+ assert(struct_line == "")
+ else:
+ var_name = struct_line.strip(' ,')[len(struct_name) + 1:]
+ out_java.write("\t\tpublic final static class " + var_name + " extends " + struct_name + " {\n")
+ java_hu_subclasses = java_hu_subclasses + "\tpublic final static class " + var_name + " extends " + java_hu_type + " {\n"
+ out_java_enum.write("\t\tif (raw_val.getClass() == bindings." + struct_name + "." + var_name + ".class) {\n")
+ out_java_enum.write("\t\t\treturn new " + var_name + "(ptr, (bindings." + struct_name + "." + var_name + ")raw_val);\n")
+ out_c.write("static jclass " + struct_name + "_" + var_name + "_class = NULL;\n")
+ out_c.write("static jmethodID " + struct_name + "_" + var_name + "_meth = NULL;\n")
+ init_meth_jty_str = ""
+ init_meth_params = ""
+ init_meth_body = ""
+ hu_conv_body = ""
+ if "LDK" + var_name in union_enum_items:
+ enum_var_lines = union_enum_items["LDK" + var_name]
+ for idx, field in enumerate(enum_var_lines):
+ if idx != 0 and idx < len(enum_var_lines) - 2:
+ field_ty = map_type(field.strip(' ;'), False, None, False, True)
+ out_java.write("\t\t\tpublic " + field_ty.java_ty + " " + field_ty.arg_name + ";\n")
+ java_hu_subclasses = java_hu_subclasses + "\t\tpublic final " + field_ty.java_hu_ty + " " + field_ty.arg_name + ";\n"
+ if field_ty.to_hu_conv is not None:
+ hu_conv_body = hu_conv_body + "\t\t\t" + field_ty.java_ty + " " + field_ty.arg_name + " = obj." + field_ty.arg_name + ";\n"
+ hu_conv_body = hu_conv_body + "\t\t\t" + field_ty.to_hu_conv.replace("\n", "\n\t\t\t") + "\n"
+ hu_conv_body = hu_conv_body + "\t\t\tthis." + field_ty.arg_name + " = " + field_ty.to_hu_conv_name + ";\n"
+ else:
+ hu_conv_body = hu_conv_body + "\t\t\tthis." + field_ty.arg_name + " = obj." + field_ty.arg_name + ";\n"
+ init_meth_jty_str = init_meth_jty_str + field_ty.java_fn_ty_arg
+ if idx > 1:
+ init_meth_params = init_meth_params + ", "
+ init_meth_params = init_meth_params + field_ty.java_ty + " " + field_ty.arg_name
+ init_meth_body = init_meth_body + "this." + field_ty.arg_name + " = " + field_ty.arg_name + "; "
+ out_java.write("\t\t\t" + var_name + "(" + init_meth_params + ") { ")
+ out_java.write(init_meth_body)
+ out_java.write("}\n")
+ out_java.write("\t\t}\n")
+ out_java_enum.write("\t\t}\n")
+ java_hu_subclasses = java_hu_subclasses + "\t\tprivate " + var_name + "(long ptr, bindings." + struct_name + "." + var_name + " obj) {\n\t\t\tsuper(null, ptr);\n"
+ java_hu_subclasses = java_hu_subclasses + hu_conv_body
+ java_hu_subclasses = java_hu_subclasses + "\t\t}\n\t}\n"
+ init_meth_jty_strs[var_name] = init_meth_jty_str
+ out_java_enum.write("\t\tassert false; return null; // Unreachable without extending the (internal) bindings interface\n\t}\n\n")
+ out_java_enum.write(java_hu_subclasses)
+ out_java.write("\tstatic { " + struct_name + ".init(); }\n")
+ out_java.write("\tpublic static native " + struct_name + " " + struct_name + "_ref_from_ptr(long ptr);\n");
+
+ out_c.write("JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_00024" + struct_name.replace("_", "_1") + "_init (JNIEnv * env, jclass _a) {\n")
+ for idx, struct_line in enumerate(tag_field_lines):
+ if idx != 0 and idx < len(tag_field_lines) - 3:
+ var_name = struct_line.strip(' ,')[len(struct_name) + 1:]
+ out_c.write("\t" + struct_name + "_" + var_name + "_class =\n")
+ out_c.write("\t\t(*env)->NewGlobalRef(env, (*env)->FindClass(env, \"Lorg/ldk/impl/bindings$" + struct_name + "$" + var_name + ";\"));\n")
+ out_c.write("\tCHECK(" + struct_name + "_" + var_name + "_class != NULL);\n")
+ out_c.write("\t" + struct_name + "_" + var_name + "_meth = (*env)->GetMethodID(env, " + struct_name + "_" + var_name + "_class, \"<init>\", \"(" + init_meth_jty_strs[var_name] + ")V\");\n")
+ out_c.write("\tCHECK(" + struct_name + "_" + var_name + "_meth != NULL);\n")
+ out_c.write("}\n")
+ out_c.write("JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_" + struct_name.replace("_", "_1") + "_1ref_1from_1ptr (JNIEnv * _env, jclass _c, jlong ptr) {\n")
+ out_c.write("\t" + struct_name + " *obj = (" + struct_name + "*)ptr;\n")
+ out_c.write("\tswitch(obj->tag) {\n")
+ for idx, struct_line in enumerate(tag_field_lines):
+ if idx != 0 and idx < len(tag_field_lines) - 3:
+ var_name = struct_line.strip(' ,')[len(struct_name) + 1:]
+ out_c.write("\t\tcase " + struct_name + "_" + var_name + ": {\n")
+ c_params_text = ""
+ if "LDK" + var_name in union_enum_items:
+ enum_var_lines = union_enum_items["LDK" + var_name]
+ for idx, field in enumerate(enum_var_lines):
+ if idx != 0 and idx < len(enum_var_lines) - 2:
+ field_map = map_type(field.strip(' ;'), False, None, False, True)
+ if field_map.ret_conv is not None:
+ out_c.write("\t\t\t" + field_map.ret_conv[0].replace("\n", "\n\t\t\t"))
+ out_c.write("obj->" + camel_to_snake(var_name) + "." + field_map.arg_name)
+ out_c.write(field_map.ret_conv[1].replace("\n", "\n\t\t\t") + "\n")
+ c_params_text = c_params_text + ", " + field_map.ret_conv_name
+ else:
+ c_params_text = c_params_text + ", obj->" + camel_to_snake(var_name) + "." + field_map.arg_name
+ out_c.write("\t\t\treturn (*_env)->NewObject(_env, " + struct_name + "_" + var_name + "_class, " + struct_name + "_" + var_name + "_meth" + c_params_text + ");\n")
+ out_c.write("\t\t}\n")
+ out_c.write("\t\tdefault: abort();\n")
+ out_c.write("\t}\n}\n")
+ out_java_enum.write("}\n")
def map_trait(struct_name, field_var_lines, trait_fn_lines):
with open(sys.argv[3] + "/structs/" + struct_name.replace("LDK","") + ".java", "w") as out_java_trait:
out_c.write("\tatomic_size_t refcnt;\n")
out_c.write("\tJavaVM *vm;\n")
out_c.write("\tjweak o;\n")
+ field_var_convs = []
for var_line in field_var_lines:
if var_line.group(1) in trait_structs:
out_c.write("\t" + var_line.group(1) + "_JCalls* " + var_line.group(2) + ";\n")
+ field_var_convs.append(None)
+ else:
+ field_var_convs.append(map_type(var_line.group(1) + " " + var_line.group(2), False, None, False, False))
for fn_line in trait_fn_lines:
if fn_line.group(2) != "free" and fn_line.group(2) != "clone":
out_c.write("\tjmethodID " + fn_line.group(2) + "_meth;\n")
out_c.write("} " + struct_name + "_JCalls;\n")
- out_java_trait.write("package org.ldk.structs;\n\n")
- out_java_trait.write("import org.ldk.impl.bindings;\n\n")
- out_java_trait.write("import org.ldk.enums.*;\n\n")
+ out_java_trait.write(hu_struct_file_prefix)
out_java_trait.write("public class " + struct_name.replace("LDK","") + " extends CommonBase {\n")
- out_java_trait.write("\t" + struct_name.replace("LDK", "") + "(Object _dummy, long ptr) { super(ptr); }\n")
- out_java_trait.write("\tpublic " + struct_name.replace("LDK", "") + "(bindings." + struct_name + " arg")
- for var_line in field_var_lines:
+ out_java_trait.write("\tfinal bindings." + struct_name + " bindings_instance;\n")
+ out_java_trait.write("\t" + struct_name.replace("LDK", "") + "(Object _dummy, long ptr) { super(ptr); bindings_instance = null; }\n")
+ out_java_trait.write("\tprivate " + struct_name.replace("LDK", "") + "(bindings." + struct_name + " arg")
+ for idx, var_line in enumerate(field_var_lines):
if var_line.group(1) in trait_structs:
out_java_trait.write(", bindings." + var_line.group(1) + " " + var_line.group(2))
+ else:
+ out_java_trait.write(", " + field_var_convs[idx].java_hu_ty + " " + var_line.group(2))
out_java_trait.write(") {\n")
out_java_trait.write("\t\tsuper(bindings." + struct_name + "_new(arg")
- for var_line in field_var_lines:
+ for idx, var_line in enumerate(field_var_lines):
if var_line.group(1) in trait_structs:
out_java_trait.write(", " + var_line.group(2))
+ elif field_var_convs[idx].from_hu_conv is not None:
+ out_java_trait.write(", " + field_var_convs[idx].from_hu_conv[0])
+ else:
+ out_java_trait.write(", " + var_line.group(2))
out_java_trait.write("));\n")
out_java_trait.write("\t\tthis.ptrs_to.add(arg);\n")
+ for idx, var_line in enumerate(field_var_lines):
+ if var_line.group(1) in trait_structs:
+ out_java_trait.write("\t\tthis.ptrs_to.add(" + var_line.group(2) + ");\n")
+ elif field_var_convs[idx].from_hu_conv is not None and field_var_convs[idx].from_hu_conv[1] != "":
+ out_java_trait.write("\t\t" + field_var_convs[idx].from_hu_conv[1] + ";\n")
+ out_java_trait.write("\t\tthis.bindings_instance = arg;\n")
out_java_trait.write("\t}\n")
out_java_trait.write("\t@Override @SuppressWarnings(\"deprecation\")\n")
out_java_trait.write("\tprotected void finalize() throws Throwable {\n")
- out_java_trait.write("\t\tbindings." + struct_name.replace("LDK","") + "_free(ptr); super.finalize();\n")
+ out_java_trait.write("\t\tif (ptr != 0) { bindings." + struct_name.replace("LDK","") + "_free(ptr); } super.finalize();\n")
out_java_trait.write("\t}\n\n")
+ java_trait_constr = "\tpublic " + struct_name.replace("LDK", "") + "(" + struct_name.replace("LDK", "") + "Interface arg"
+ for idx, var_line in enumerate(field_var_lines):
+ if var_line.group(1) in trait_structs:
+ # Ideally we'd be able to take any instance of the interface, but our C code can only represent
+ # Java-implemented version, so we require users pass a Java implementation here :/
+ java_trait_constr = java_trait_constr + ", " + var_line.group(1).replace("LDK", "") + "." + var_line.group(1).replace("LDK", "") + "Interface " + var_line.group(2)
+ else:
+ java_trait_constr = java_trait_constr + ", " + field_var_convs[idx].java_hu_ty + " " + var_line.group(2)
+ java_trait_constr = java_trait_constr + ") {\n\t\tthis(new bindings." + struct_name + "() {\n"
+ out_java_trait.write("\tpublic static interface " + struct_name.replace("LDK", "") + "Interface {\n")
out_java.write("\tpublic interface " + struct_name + " {\n")
java_meths = []
for fn_line in trait_fn_lines:
java_meth_descr = "("
if fn_line.group(2) != "free" and fn_line.group(2) != "clone":
- ret_ty_info = java_c_types(fn_line.group(1), None)
+ ret_ty_info = map_type(fn_line.group(1), True, None, False, False)
out_java.write("\t\t " + ret_ty_info.java_ty + " " + fn_line.group(2) + "(")
+ java_trait_constr = java_trait_constr + "\t\t\t@Override public " + ret_ty_info.java_ty + " " + fn_line.group(2) + "("
+ out_java_trait.write("\t\t" + ret_ty_info.java_hu_ty + " " + fn_line.group(2) + "(")
is_const = fn_line.group(3) is not None
out_c.write(fn_line.group(1) + fn_line.group(2) + "_jcall(")
if is_const:
continue
if idx >= 2:
out_java.write(", ")
+ java_trait_constr = java_trait_constr + ", "
+ out_java_trait.write(", ")
out_c.write(", ")
- arg_conv_info = map_type(arg, True, None, False)
+ arg_conv_info = map_type(arg, True, None, False, False)
out_c.write(arg.strip())
out_java.write(arg_conv_info.java_ty + " " + arg_conv_info.arg_name)
+ out_java_trait.write(arg_conv_info.java_hu_ty + " " + arg_conv_info.arg_name)
+ java_trait_constr = java_trait_constr + arg_conv_info.java_ty + " " + arg_conv_info.arg_name
arg_names.append(arg_conv_info)
java_meth_descr = java_meth_descr + arg_conv_info.java_fn_ty_arg
java_meth_descr = java_meth_descr + ")" + ret_ty_info.java_fn_ty_arg
java_meths.append(java_meth_descr)
out_java.write(");\n")
+ out_java_trait.write(");\n")
+ java_trait_constr = java_trait_constr + ") {\n"
out_c.write(") {\n")
out_c.write("\t" + struct_name + "_JCalls *j_calls = (" + struct_name + "_JCalls*) this_arg;\n")
- out_c.write("\tJNIEnv *env;\n")
- out_c.write("\tDO_ASSERT((*j_calls->vm)->GetEnv(j_calls->vm, (void**)&env, JNI_VERSION_1_8) == JNI_OK);\n")
+ out_c.write("\tJNIEnv *_env;\n")
+ out_c.write("\tDO_ASSERT((*j_calls->vm)->GetEnv(j_calls->vm, (void**)&_env, JNI_VERSION_1_8) == JNI_OK);\n")
for arg_info in arg_names:
if arg_info.ret_conv is not None:
- out_c.write("\t" + arg_info.ret_conv[0].replace('\n', '\n\t').replace("_env", "env"));
+ out_c.write("\t" + arg_info.ret_conv[0].replace('\n', '\n\t'));
out_c.write(arg_info.arg_name)
- out_c.write(arg_info.ret_conv[1].replace('\n', '\n\t').replace("_env", "env") + "\n")
+ out_c.write(arg_info.ret_conv[1].replace('\n', '\n\t') + "\n")
+ if arg_info.to_hu_conv is not None:
+ java_trait_constr = java_trait_constr + "\t\t\t\t" + arg_info.to_hu_conv.replace("\n", "\n\t\t\t\t") + "\n"
- out_c.write("\tjobject obj = (*env)->NewLocalRef(env, j_calls->o);\n\tCHECK(obj != NULL);\n")
+ out_c.write("\tjobject obj = (*_env)->NewLocalRef(_env, j_calls->o);\n\tCHECK(obj != NULL);\n")
if ret_ty_info.c_ty.endswith("Array"):
- assert(ret_ty_info.c_ty == "jbyteArray")
- out_c.write("\tjbyteArray jret = (*env)->CallObjectMethod(env, obj, j_calls->" + fn_line.group(2) + "_meth")
+ out_c.write("\t" + ret_ty_info.c_ty + " ret = (*_env)->CallObjectMethod(_env, obj, j_calls->" + fn_line.group(2) + "_meth")
elif not ret_ty_info.passed_as_ptr:
- out_c.write("\treturn (*env)->Call" + ret_ty_info.java_ty.title() + "Method(env, obj, j_calls->" + fn_line.group(2) + "_meth")
+ out_c.write("\treturn (*_env)->Call" + ret_ty_info.java_ty.title() + "Method(_env, obj, j_calls->" + fn_line.group(2) + "_meth")
else:
- out_c.write("\t" + fn_line.group(1).strip() + "* ret = (" + fn_line.group(1).strip() + "*)(*env)->CallLongMethod(env, obj, j_calls->" + fn_line.group(2) + "_meth");
+ out_c.write("\t" + fn_line.group(1).strip() + "* ret = (" + fn_line.group(1).strip() + "*)(*_env)->CallLongMethod(_env, obj, j_calls->" + fn_line.group(2) + "_meth");
+ if ret_ty_info.java_ty != "void":
+ java_trait_constr = java_trait_constr + "\t\t\t\t" + ret_ty_info.java_hu_ty + " ret = arg." + fn_line.group(2) + "("
+ else:
+ java_trait_constr = java_trait_constr + "\t\t\t\targ." + fn_line.group(2) + "("
- for arg_info in arg_names:
+ for idx, arg_info in enumerate(arg_names):
if arg_info.ret_conv is not None:
out_c.write(", " + arg_info.ret_conv_name)
else:
out_c.write(", " + arg_info.arg_name)
+ if idx != 0:
+ java_trait_constr = java_trait_constr + ", "
+ if arg_info.to_hu_conv_name is not None:
+ java_trait_constr = java_trait_constr + arg_info.to_hu_conv_name
+ else:
+ java_trait_constr = java_trait_constr + arg_info.arg_name
out_c.write(");\n");
- if ret_ty_info.c_ty.endswith("Array"):
- out_c.write("\t" + ret_ty_info.rust_obj + " ret;\n")
- out_c.write("\tCHECK((*env)->GetArrayLength(env, jret) == " + ret_ty_info.arr_len + ");\n")
- out_c.write("\t(*env)->GetByteArrayRegion(env, jret, 0, " + ret_ty_info.arr_len + ", ret." + ret_ty_info.arr_access + ");\n")
- out_c.write("\treturn ret;\n")
+ if ret_ty_info.arg_conv is not None:
+ out_c.write("\t" + ret_ty_info.arg_conv.replace("\n", "\n\t").replace("arg", "ret") + "\n\treturn " + ret_ty_info.arg_conv_name.replace("arg", "ret") + ";\n")
if ret_ty_info.passed_as_ptr:
out_c.write("\t" + fn_line.group(1).strip() + " res = *ret;\n")
out_c.write("\tFREE(ret);\n")
out_c.write("\treturn res;\n")
out_c.write("}\n")
+ java_trait_constr = java_trait_constr + ");\n"
+ if ret_ty_info.java_ty != "void":
+ if ret_ty_info.from_hu_conv is not None:
+ java_trait_constr = java_trait_constr + "\t\t\t\t" + ret_ty_info.java_ty + " result = " + ret_ty_info.from_hu_conv[0] + ";\n"
+ if ret_ty_info.from_hu_conv[1] != "":
+ java_trait_constr = java_trait_constr + "\t\t\t\t" + ret_ty_info.from_hu_conv[1] + "\n"
+ if is_common_base_ext(ret_ty_info.rust_obj):
+ java_trait_constr = java_trait_constr + "\t\t\t\tret.ptr = 0;\n"
+ java_trait_constr = java_trait_constr + "\t\t\t\treturn result;\n"
+ else:
+ java_trait_constr = java_trait_constr + "\t\t\t\treturn ret;\n"
+ java_trait_constr = java_trait_constr + "\t\t\t}\n"
elif fn_line.group(2) == "free":
out_c.write("static void " + struct_name + "_JCalls_free(void* this_arg) {\n")
out_c.write("\t" + struct_name + "_JCalls *j_calls = (" + struct_name + "_JCalls*) this_arg;\n")
out_c.write("\t\t(*env)->DeleteWeakGlobalRef(env, j_calls->o);\n")
out_c.write("\t\tFREE(j_calls);\n")
out_c.write("\t}\n}\n")
+ java_trait_constr = java_trait_constr + "\t\t}"
+ for var_line in field_var_lines:
+ if var_line.group(1) in trait_structs:
+ java_trait_constr = java_trait_constr + ", new " + var_line.group(2) + "(" + var_line.group(2) + ").bindings_instance"
+ else:
+ java_trait_constr = java_trait_constr + ", " + var_line.group(2)
+ out_java_trait.write("\t}\n")
+ out_java_trait.write(java_trait_constr + ");\n\t}\n")
# Write out a clone function whether we need one or not, as we use them in moving to rust
out_c.write("static void* " + struct_name + "_JCalls_clone(const void* this_arg) {\n")
out_java.write("\tpublic static native long " + struct_name + "_new(" + struct_name + " impl")
out_c.write("static inline " + struct_name + " " + struct_name + "_init (JNIEnv * env, jclass _a, jobject o")
- for var_line in field_var_lines:
+ for idx, var_line in enumerate(field_var_lines):
if var_line.group(1) in trait_structs:
out_java.write(", " + var_line.group(1) + " " + var_line.group(2))
out_c.write(", jobject " + var_line.group(2))
+ else:
+ out_java.write(", " + field_var_convs[idx].java_ty + " " + var_line.group(2))
+ out_c.write(", " + field_var_convs[idx].c_ty + " " + var_line.group(2))
out_java.write(");\n")
out_c.write(") {\n")
if fn_line.group(2) != "free" and fn_line.group(2) != "clone":
out_c.write("\tcalls->" + fn_line.group(2) + "_meth = (*env)->GetMethodID(env, c, \"" + fn_line.group(2) + "\", \"" + java_meth_descr + "\");\n")
out_c.write("\tCHECK(calls->" + fn_line.group(2) + "_meth != NULL);\n")
+ for idx, var_line in enumerate(field_var_lines):
+ if field_var_convs[idx] is not None and field_var_convs[idx].arg_conv is not None:
+ out_c.write("\n\t" + field_var_convs[idx].arg_conv.replace("\n", "\n\t") +"\n")
out_c.write("\n\t" + struct_name + " ret = {\n")
out_c.write("\t\t.this_arg = (void*) calls,\n")
for fn_line in trait_fn_lines:
else:
clone_fns.add(struct_name + "_clone")
out_c.write("\t\t.clone = " + struct_name + "_JCalls_clone,\n")
- for var_line in field_var_lines:
+ for idx, var_line in enumerate(field_var_lines):
if var_line.group(1) in trait_structs:
out_c.write("\t\t." + var_line.group(2) + " = " + var_line.group(1) + "_init(env, _a, " + var_line.group(2) + "),\n")
+ elif field_var_convs[idx].arg_conv_name is not None:
+ out_c.write("\t\t." + var_line.group(2) + " = " + field_var_convs[idx].arg_conv_name + ",\n")
+ out_c.write("\t\t.set_" + var_line.group(2) + " = NULL,\n")
+ else:
+ out_c.write("\t\t." + var_line.group(2) + " = " + var_line.group(2) + ",\n")
+ out_c.write("\t\t.set_" + var_line.group(2) + " = NULL,\n")
out_c.write("\t};\n")
for var_line in field_var_lines:
if var_line.group(1) in trait_structs:
out_c.write("}\n")
out_c.write("JNIEXPORT long JNICALL Java_org_ldk_impl_bindings_" + struct_name.replace("_", "_1") + "_1new (JNIEnv * env, jclass _a, jobject o")
- for var_line in field_var_lines:
+ for idx, var_line in enumerate(field_var_lines):
if var_line.group(1) in trait_structs:
out_c.write(", jobject " + var_line.group(2))
+ else:
+ out_c.write(", " + field_var_convs[idx].c_ty + " " + var_line.group(2))
out_c.write(") {\n")
out_c.write("\t" + struct_name + " *res_ptr = MALLOC(sizeof(" + struct_name + "), \"" + struct_name + "\");\n")
out_c.write("\t*res_ptr = " + struct_name + "_init(env, _a, o")
for var_line in field_var_lines:
- if var_line.group(1) in trait_structs:
- out_c.write(", " + var_line.group(2))
+ out_c.write(", " + var_line.group(2))
out_c.write(");\n")
out_c.write("\treturn (long)res_ptr;\n")
out_c.write("}\n")
if fn_line.group(2) != "free" and fn_line.group(2) != "clone" and fn_line.group(2) != "eq" and not is_log:
dummy_line = fn_line.group(1) + struct_name.replace("LDK", "") + "_" + fn_line.group(2) + " " + struct_name + "* this_arg" + fn_line.group(4) + "\n"
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(2) + ")(this_arg_conv->this_arg")
+ for idx, var_line in enumerate(field_var_lines):
+ if var_line.group(1) not in trait_structs:
+ out_c.write(var_line.group(1) + " " + struct_name + "_set_get_" + var_line.group(2) + "(" + struct_name + "* this_arg) {\n")
+ out_c.write("\tif (this_arg->set_" + var_line.group(2) + " != NULL)\n")
+ out_c.write("\t\tthis_arg->set_" + var_line.group(2) + "(this_arg);\n")
+ out_c.write("\treturn this_arg->" + var_line.group(2) + ";\n")
+ out_c.write("}\n")
+ dummy_line = var_line.group(1) + " " + struct_name.replace("LDK", "") + "_get_" + var_line.group(2) + " " + struct_name + "* this_arg" + fn_line.group(4) + "\n"
+ 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")
out_c.write("""#include \"org_ldk_impl_bindings.h\"
#include <rust_types.h>
if sys.argv[4] == "false":
out_c.write("#define MALLOC(a, _) malloc(a)\n")
- out_c.write("#define FREE free\n")
+ out_c.write("#define FREE(p) if ((p) > 1024) { free(p); }\n")
out_c.write("#define DO_ASSERT(a) (void)(a)\n")
out_c.write("#define CHECK(a)\n")
else:
allocation* p = NULL;
DO_ASSERT(mtx_lock(&allocation_mtx) == thrd_success);
allocation* it = allocation_ll;
- while (it->ptr != ptr) { p = it; it = it->next; }
+ while (it->ptr != ptr) {
+ p = it; it = it->next;
+ if (it == NULL) {
+ fprintf(stderr, "Tried to free unknown pointer %p at:\\n", ptr);
+ void* bt[BT_MAX];
+ int bt_len = backtrace(bt, BT_MAX);
+ backtrace_symbols_fd(bt, bt_len, STDERR_FILENO);
+ fprintf(stderr, "\\n\\n");
+ DO_ASSERT(mtx_unlock(&allocation_mtx) == thrd_success);
+ return; // addrsan should catch malloc-unknown and print more info than we have
+ }
+ }
if (p) { p->next = it->next; } else { allocation_ll = it->next; }
DO_ASSERT(mtx_unlock(&allocation_mtx) == thrd_success);
DO_ASSERT(it->ptr == ptr);
__real_free(it);
}
static void FREE(void* ptr) {
+ if ((long)ptr < 1024) return; // Rust loves to create pointers to the NULL page for dummys
alloc_freed(ptr);
__real_free(ptr);
}
public static native byte[] get_u8_slice_bytes(long slice_ptr);
public static native long bytes_to_u8_vec(byte[] bytes);
public static native long new_txpointer_copy_data(byte[] txdata);
+ public static native void txpointer_free(long ptr);
public static native long vec_slice_len(long vec);
public static native long new_empty_slice_vec();
LDKTransaction *txdata = (LDKTransaction*)MALLOC(sizeof(LDKTransaction), "LDKTransaction");
txdata->datalen = (*env)->GetArrayLength(env, bytes);
txdata->data = (uint8_t*)MALLOC(txdata->datalen, "Tx Data Bytes");
- txdata->data_is_owned = true;
+ txdata->data_is_owned = false;
(*env)->GetByteArrayRegion (env, bytes, 0, txdata->datalen, txdata->data);
return (long)txdata;
}
+JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_txpointer_1free (JNIEnv * env, jclass _b, jlong ptr) {
+ LDKTransaction *tx = (LDKTransaction*)ptr;
+ tx->data_is_owned = true;
+ Transaction_free(*tx);
+ FREE((void*)ptr);
+}
JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_vec_1slice_1len (JNIEnv * env, jclass _a, jlong ptr) {
- // Check offsets of a few Vec types are all consistent as we're meant to be generic across types
+ // Check offsets of a few Vec types are all consistent as we're meant to be generic across types
_Static_assert(offsetof(LDKCVec_u8Z, datalen) == offsetof(LDKCVec_SignatureZ, datalen), "Vec<*> needs to be mapped identically");
_Static_assert(offsetof(LDKCVec_u8Z, datalen) == offsetof(LDKCVec_MessageSendEventZ, datalen), "Vec<*> needs to be mapped identically");
_Static_assert(offsetof(LDKCVec_u8Z, datalen) == offsetof(LDKCVec_EventZ, datalen), "Vec<*> needs to be mapped identically");
return (long)vec->datalen;
}
JNIEXPORT long JNICALL Java_org_ldk_impl_bindings_new_1empty_1slice_1vec (JNIEnv * _env, jclass _b) {
- // Check sizes of a few Vec types are all consistent as we're meant to be generic across types
+ // Check sizes of a few Vec types are all consistent as we're meant to be generic across types
_Static_assert(sizeof(LDKCVec_u8Z) == sizeof(LDKCVec_SignatureZ), "Vec<*> needs to be mapped identically");
_Static_assert(sizeof(LDKCVec_u8Z) == sizeof(LDKCVec_MessageSendEventZ), "Vec<*> needs to be mapped identically");
_Static_assert(sizeof(LDKCVec_u8Z) == sizeof(LDKCVec_EventZ), "Vec<*> needs to be mapped identically");
out_java_struct.write("""package org.ldk.structs;
import java.util.LinkedList;
class CommonBase {
- final long ptr;
+ long ptr;
LinkedList<Object> ptrs_to = new LinkedList();
protected CommonBase(long ptr) { this.ptr = ptr; }
public long _test_only_get_ptr() { return this.ptr; }
assert(line_indicates_trait_regex.match(" void *(*clone)(const void *this_arg);"))
line_field_var_regex = re.compile("^ ([A-Za-z_0-9]*) ([A-Za-z_0-9]*);$")
assert(line_field_var_regex.match(" LDKMessageSendEventsProvider MessageSendEventsProvider;"))
+ assert(line_field_var_regex.match(" LDKChannelPublicKeys pubkeys;"))
struct_name_regex = re.compile("^typedef (struct|enum|union) (MUST_USE_STRUCT )?(LDK[A-Za-z_0-9]*) {$")
assert(struct_name_regex.match("typedef struct LDKCVecTempl_u8 {"))
assert(struct_name_regex.match("typedef enum LDKNetwork {"))
if is_opaque:
opaque_structs.add(struct_name)
with open(sys.argv[3] + "/structs/" + struct_name.replace("LDK","") + ".java", "w") as out_java_struct:
- out_java_struct.write("package org.ldk.structs;\n\n")
- out_java_struct.write("import org.ldk.impl.bindings;\n")
- out_java_struct.write("import org.ldk.enums.*;\n\n")
- out_java_struct.write("public class " + struct_name.replace("LDK","") + " extends CommonBase {\n")
+ out_java_struct.write(hu_struct_file_prefix)
+ out_java_struct.write("public class " + struct_name.replace("LDK","") + " extends CommonBase")
+ if struct_name.startswith("LDKLocked"):
+ out_java_struct.write(" implements AutoCloseable")
+ out_java_struct.write(" {\n")
out_java_struct.write("\t" + struct_name.replace("LDK", "") + "(Object _dummy, long ptr) { super(ptr); }\n")
- out_java_struct.write("\t@Override @SuppressWarnings(\"deprecation\")\n")
- out_java_struct.write("\tprotected void finalize() throws Throwable {\n")
- out_java_struct.write("\t\tbindings." + struct_name.replace("LDK","") + "_free(ptr); super.finalize();\n")
+ if struct_name.startswith("LDKLocked"):
+ out_java_struct.write("\t@Override public void close() {\n")
+ else:
+ out_java_struct.write("\t@Override @SuppressWarnings(\"deprecation\")\n")
+ out_java_struct.write("\tprotected void finalize() throws Throwable {\n")
+ out_java_struct.write("\t\tsuper.finalize();\n")
+ out_java_struct.write("\t\tif (ptr != 0) { bindings." + struct_name.replace("LDK","") + "_free(ptr); }\n")
out_java_struct.write("\t}\n\n")
elif result_contents is not None:
result_templ_structs.add(struct_name)
elif is_tuple:
out_java.write("\tpublic static native long " + struct_name + "_new(")
out_c.write("JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_" + struct_name.replace("_", "_1") + "_1new(JNIEnv *_env, jclass _b")
+ ty_list = []
for idx, line in enumerate(field_lines):
if idx != 0 and idx < len(field_lines) - 2:
ty_info = java_c_types(line.strip(';'), None)
e = chr(ord('a') + idx - 1)
out_java.write(ty_info.java_ty + " " + e)
out_c.write(", " + ty_info.c_ty + " " + e)
+ ty_list.append(ty_info)
+ tuple_types[struct_name] = (ty_list, struct_name)
out_java.write(");\n")
out_c.write(") {\n")
out_c.write("\t" + struct_name + "* ret = MALLOC(sizeof(" + struct_name + "), \"" + struct_name + "\");\n")
for idx, line in enumerate(field_lines):
if idx != 0 and idx < len(field_lines) - 2:
- ty_info = map_type(line.strip(';'), False, None, False)
+ ty_info = map_type(line.strip(';'), False, None, False, False)
e = chr(ord('a') + idx - 1)
if ty_info.arg_conv is not None:
out_c.write("\t" + ty_info.arg_conv.replace("\n", "\n\t"))
out_c.write("\n\tret->" + e + " = " + ty_info.arg_conv_name + ";\n")
else:
out_c.write("\tret->" + e + " = " + e + ";\n")
- assert ty_info.arg_conv_cleanup is None
+ if ty_info.arg_conv_cleanup is not None:
+ out_c.write("\t//TODO: Really need to call " + ty_info.arg_conv_cleanup + " here\n")
out_c.write("\treturn (long)ret;\n")
out_c.write("}\n")
elif vec_ty is not None:
out_c.write("\treturn (*env)->NewObject(env, slicedef_cls, slicedef_meth, (long)vec->data, (long)vec->datalen, sizeof(" + vec_ty + "));\n")
out_c.write("}\n")
- ty_info = map_type(vec_ty + " arr_elem", False, None, False)
+ ty_info = map_type(vec_ty + " arr_elem", False, None, False, False)
if len(ty_info.java_fn_ty_arg) == 1: # ie we're a primitive of some form
out_java.write("\tpublic static native long " + struct_name + "_new(" + ty_info.java_ty + "[] elems);\n")
out_c.write("JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_" + struct_name.replace("_", "_1") + "_1new(JNIEnv *env, jclass _b, j" + ty_info.java_ty + "Array elems){\n")
elif len(trait_fn_lines) > 0:
trait_structs.add(struct_name)
map_trait(struct_name, field_var_lines, trait_fn_lines)
+ elif struct_name == "LDKTxOut":
+ with open(sys.argv[3] + "/structs/TxOut.java", "w") as out_java_struct:
+ out_java_struct.write(hu_struct_file_prefix)
+ out_java_struct.write("public class TxOut extends CommonBase{\n")
+ out_java_struct.write("\tTxOut(java.lang.Object _dummy, long ptr) { super(ptr); }\n")
+ out_java_struct.write("\tlong to_c_ptr() { return 0; }\n")
+ # TODO: TxOut body
+ out_java_struct.write("}")
+ elif struct_name == "LDKTransaction":
+ with open(sys.argv[3] + "/structs/Transaction.java", "w") as out_java_struct:
+ out_java_struct.write(hu_struct_file_prefix)
+ out_java_struct.write("public class Transaction extends CommonBase{\n")
+ out_java_struct.write("\tTransaction(java.lang.Object _dummy, long ptr) { super(ptr); }\n")
+ out_java_struct.write("\tpublic Transaction(byte[] data) { super(bindings.new_txpointer_copy_data(data)); }\n")
+ out_java_struct.write("\t@Override public void finalize() throws Throwable { super.finalize(); bindings.txpointer_free(ptr); }\n")
+ # TODO: Transaction body
+ out_java_struct.write("}")
+ else:
+ pass # Everything remaining is a byte[] or some form
cur_block_obj = None
else:
fn_ptr = fn_ptr_regex.match(line)
cur_block_obj = line
elif line.startswith("typedef "):
alias_match = struct_alias_regex.match(line)
- if alias_match.group(1) in result_templ_structs:
- out_java.write("\tpublic static native boolean " + alias_match.group(2) + "_result_ok(long arg);\n")
- out_java.write("\tpublic static native long " + alias_match.group(2) + "_get_inner(long arg);\n")
- out_c.write("JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_" + alias_match.group(2).replace("_", "_1") + "_1result_1ok (JNIEnv * env, jclass _a, jlong arg) {\n")
- out_c.write("\treturn ((" + alias_match.group(2) + "*)arg)->result_ok;\n")
- out_c.write("}\n")
- out_c.write("JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_" + alias_match.group(2).replace("_", "_1") + "_1get_1inner (JNIEnv * env, jclass _a, jlong arg) {\n")
- contents_ty = alias_match.group(1).replace("LDKCResultTempl", "LDKCResultPtr")
- res_ty, err_ty = result_ptr_struct_items[contents_ty]
- out_c.write("\t" + alias_match.group(2) + " *val = (" + alias_match.group(2) + "*)arg;\n")
- out_c.write("\tif (val->result_ok) {\n")
- if res_ty not in opaque_structs:
- out_c.write("\t\treturn (long)val->contents.result;\n")
- else:
- out_c.write("\t\treturn (long)(val->contents.result->inner) | (val->contents.result->is_owned ? 1 : 0);\n")
- out_c.write("\t} else {\n")
- if err_ty not in opaque_structs:
- out_c.write("\t\treturn (long)val->contents.err;\n")
- else:
- out_c.write("\t\treturn (long)(val->contents.err->inner) | (val->contents.err->is_owned ? 1 : 0);\n")
- out_c.write("\t}\n}\n")
- pass
+ if alias_match.group(1) in tuple_types:
+ tuple_types[alias_match.group(2)] = (tuple_types[alias_match.group(1)][0], alias_match.group(2))
+ tuple_types[alias_match.group(1)] = (tuple_types[alias_match.group(1)][0], alias_match.group(2))
+ for idx, ty_info in enumerate(tuple_types[alias_match.group(1)][0]):
+ e = chr(ord('a') + idx)
+ out_java.write("\tpublic static native " + ty_info.java_ty + " " + alias_match.group(2) + "_get_" + e + "(long ptr);\n")
+ # XXX: Write C method!
+ elif alias_match.group(1) in result_templ_structs:
+ result_types.add(alias_match.group(2))
+ human_ty = alias_match.group(2).replace("LDKCResult", "Result")
+ with open(sys.argv[3] + "/structs/" + human_ty + ".java", "w") as out_java_struct:
+ out_java_struct.write(hu_struct_file_prefix)
+ out_java_struct.write("public class " + human_ty + " extends CommonBase {\n")
+ out_java_struct.write("\tprivate " + human_ty + "(Object _dummy, long ptr) { super(ptr); }\n")
+ out_java_struct.write("\tprotected void finalize() throws Throwable {\n")
+ out_java_struct.write("\t\tif (ptr != 0) { bindings." + alias_match.group(2).replace("LDK","") + "_free(ptr); } super.finalize();\n")
+ out_java_struct.write("\t}\n\n")
+ out_java_struct.write("\tstatic " + human_ty + " constr_from_ptr(long ptr) {\n")
+ out_java_struct.write("\t\tif (bindings." + alias_match.group(2) + "_result_ok(ptr)) {\n")
+ out_java_struct.write("\t\t\treturn new " + human_ty + "_OK(null, ptr);\n")
+ out_java_struct.write("\t\t} else {\n")
+ out_java_struct.write("\t\t\treturn new " + human_ty + "_Err(null, ptr);\n")
+ out_java_struct.write("\t\t}\n")
+ out_java_struct.write("\t}\n")
+
+ contents_ty = alias_match.group(1).replace("LDKCResultTempl", "LDKCResultPtr")
+ res_ty, err_ty = result_ptr_struct_items[contents_ty]
+ res_map = map_type(res_ty + " res", True, None, False, True)
+ err_map = map_type(err_ty + " err", True, None, False, True)
+
+ out_java.write("\tpublic static native boolean " + alias_match.group(2) + "_result_ok(long arg);\n")
+ out_c.write("JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_" + alias_match.group(2).replace("_", "_1") + "_1result_1ok (JNIEnv * env, jclass _a, jlong arg) {\n")
+ out_c.write("\treturn ((" + alias_match.group(2) + "*)arg)->result_ok;\n")
+ out_c.write("}\n")
+
+ out_java.write("\tpublic static native " + res_map.java_ty + " " + alias_match.group(2) + "_get_ok(long arg);\n")
+ out_c.write("JNIEXPORT " + res_map.c_ty + " JNICALL Java_org_ldk_impl_bindings_" + alias_match.group(2).replace("_", "_1") + "_1get_1ok (JNIEnv * _env, jclass _a, jlong arg) {\n")
+ out_c.write("\t" + alias_match.group(2) + " *val = (" + alias_match.group(2) + "*)arg;\n")
+ out_c.write("\tCHECK(val->result_ok);\n\t")
+ out_java_struct.write("\tpublic static final class " + human_ty + "_OK extends " + human_ty + " {\n")
+ if res_map.ret_conv is not None:
+ out_c.write(res_map.ret_conv[0].replace("\n", "\n\t") + "(*val->contents.result)")
+ out_c.write(res_map.ret_conv[1].replace("\n", "\n\t") + "\n\treturn " + res_map.ret_conv_name)
+ else:
+ out_c.write("return *val->contents.result")
+ out_c.write(";\n}\n")
+
+ out_java_struct.write("\t\tpublic final " + res_map.java_hu_ty + " res;\n")
+ out_java_struct.write("\t\tprivate " + human_ty + "_OK(Object _dummy, long ptr) {\n")
+ out_java_struct.write("\t\t\tsuper(_dummy, ptr);\n")
+ if res_map.to_hu_conv is not None:
+ out_java_struct.write("\t\t\t" + res_map.java_ty + " res = bindings." + alias_match.group(2) + "_get_ok(ptr);\n")
+ out_java_struct.write("\t\t\t" + res_map.to_hu_conv.replace("\n", "\n\t\t\t"))
+ out_java_struct.write("\n\t\t\tthis.res = " + res_map.to_hu_conv_name + ";\n")
+ else:
+ out_java_struct.write("\t\t\tthis.res = bindings." + alias_match.group(2) + "_get_ok(ptr);\n")
+ out_java_struct.write("\t\t}\n")
+ if alias_match.group(2).startswith("LDKCResult_None"):
+ out_java_struct.write("\t\tpublic " + human_ty + "_OK() {\n\t\t\tthis(null, bindings.C" + human_ty + "_ok());\n")
+ else:
+ out_java_struct.write("\t\tpublic " + human_ty + "_OK(" + res_map.java_hu_ty + " res) {\n")
+ if res_map.from_hu_conv is not None:
+ out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_ok(" + res_map.from_hu_conv[0] + "));\n")
+ if res_map.from_hu_conv[1] != "":
+ out_java_struct.write("\t\t\t" + res_map.from_hu_conv[1] + ";\n")
+ else:
+ out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_ok(res));\n")
+ out_java_struct.write("\t\t}\n\t}\n\n")
+
+ out_java.write("\tpublic static native " + err_map.java_ty + " " + alias_match.group(2) + "_get_err(long arg);\n")
+ out_c.write("JNIEXPORT " + err_map.c_ty + " JNICALL Java_org_ldk_impl_bindings_" + alias_match.group(2).replace("_", "_1") + "_1get_1err (JNIEnv * _env, jclass _a, jlong arg) {\n")
+ out_c.write("\t" + alias_match.group(2) + " *val = (" + alias_match.group(2) + "*)arg;\n")
+ out_c.write("\tCHECK(!val->result_ok);\n\t")
+ out_java_struct.write("\tpublic static final class " + human_ty + "_Err extends " + human_ty + " {\n")
+ if err_map.ret_conv is not None:
+ out_c.write(err_map.ret_conv[0].replace("\n", "\n\t") + "(*val->contents.err)")
+ out_c.write(err_map.ret_conv[1].replace("\n", "\n\t") + "\n\treturn " + err_map.ret_conv_name)
+ else:
+ out_c.write("return *val->contents.err")
+ out_c.write(";\n}\n")
+
+ out_java_struct.write("\t\tpublic final " + err_map.java_hu_ty + " err;\n")
+ out_java_struct.write("\t\tprivate " + human_ty + "_Err(Object _dummy, long ptr) {\n")
+ out_java_struct.write("\t\t\tsuper(_dummy, ptr);\n")
+ if err_map.to_hu_conv is not None:
+ out_java_struct.write("\t\t\t" + err_map.java_ty + " err = bindings." + alias_match.group(2) + "_get_err(ptr);\n")
+ out_java_struct.write("\t\t\t" + err_map.to_hu_conv.replace("\n", "\n\t\t\t"))
+ out_java_struct.write("\n\t\t\tthis.err = " + err_map.to_hu_conv_name + ";\n")
+ else:
+ out_java_struct.write("\t\t\tthis.err = bindings." + alias_match.group(2) + "_get_err(ptr);\n")
+ out_java_struct.write("\t\t}\n")
+
+ if alias_match.group(2).endswith("NoneZ"):
+ out_java_struct.write("\t\tpublic " + human_ty + "_Err() {\n\t\t\tthis(null, bindings.C" + human_ty + "_err());\n")
+ else:
+ out_java_struct.write("\t\tpublic " + human_ty + "_Err(" + err_map.java_hu_ty + " err) {\n")
+ if err_map.from_hu_conv is not None:
+ out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_err(" + err_map.from_hu_conv[0] + "));\n")
+ if err_map.from_hu_conv[1] != "":
+ out_java_struct.write("\t\t\t" + err_map.from_hu_conv[1] + ";\n")
+ else:
+ out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_err(err));\n")
+ out_java_struct.write("\t\t}\n\t}\n}\n")
elif fn_ptr is not None:
map_fn(line, fn_ptr, None, None)
elif fn_ret_arr is not None:
projects / ldk-java / blobdiff