- unitary_enums = set()
-
- def camel_to_snake(s):
- # Convert camel case to snake case, in a way that appears to match cbindgen
- con = "_"
- ret = ""
- lastchar = ""
- lastund = False
- for char in s:
- if lastchar.isupper():
- if not char.isupper() and not lastund:
- ret = ret + "_"
- lastund = True
- else:
- lastund = False
- ret = ret + lastchar.lower()
- else:
- ret = ret + lastchar
- if char.isupper() and not lastund:
- ret = ret + "_"
- lastund = True
- else:
- lastund = False
- lastchar = char
- if char.isnumeric():
- lastund = True
- return (ret + lastchar.lower()).strip("_")
-
- var_is_arr_regex = re.compile("\(\*([A-za-z0-9_]*)\)\[([a-z0-9]*)\]")
- var_ty_regex = re.compile("([A-za-z_0-9]*)(.*)")
- def java_c_types(fn_arg, ret_arr_len):
- fn_arg = fn_arg.strip()
- if fn_arg.startswith("MUST_USE_RES "):
- fn_arg = fn_arg[13:]
- is_const = False
- if fn_arg.startswith("const "):
- fn_arg = fn_arg[6:]
- is_const = True
-
- is_ptr = False
- take_by_ptr = False
- rust_obj = None
- arr_access = 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"):
- 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"):
- 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"):
- 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"):
- 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"):
- fn_arg = "uint8_t (*" + fn_arg[11:] + ")[datalen]"
- assert var_is_arr_regex.match(fn_arg[8:])
- rust_obj = "LDKu8slice"
- arr_access = "data"
-
- if fn_arg.startswith("void"):
- java_ty = "void"
- c_ty = "void"
- fn_ty_arg = "V"
- fn_arg = fn_arg[4:].strip()
- elif fn_arg.startswith("bool"):
- java_ty = "boolean"
- c_ty = "jboolean"
- fn_ty_arg = "Z"
- fn_arg = fn_arg[4:].strip()
- elif fn_arg.startswith("uint8_t"):
- java_ty = "byte"
- c_ty = "jbyte"
- fn_ty_arg = "B"
- fn_arg = fn_arg[7:].strip()
- elif fn_arg.startswith("uint16_t"):
- java_ty = "short"
- c_ty = "jshort"
- fn_ty_arg = "S"
- fn_arg = fn_arg[8:].strip()
- elif fn_arg.startswith("uint32_t"):
- java_ty = "int"
- c_ty = "jint"
- fn_ty_arg = "I"
- fn_arg = fn_arg[8:].strip()
- elif fn_arg.startswith("uint64_t") or fn_arg.startswith("uintptr_t"):
- java_ty = "long"
- c_ty = "jlong"
- fn_ty_arg = "J"
- if fn_arg.startswith("uint64_t"):
- fn_arg = fn_arg[8:].strip()
- else:
- fn_arg = fn_arg[9:].strip()
- 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()
- else:
- ma = var_ty_regex.match(fn_arg)
- if ma.group(1).strip() in unitary_enums:
- java_ty = ma.group(1).strip()
- c_ty = "jclass"
- fn_ty_arg = "Lorg/ldk/enums/" + ma.group(1).strip() + ";"
- fn_arg = ma.group(2).strip()
- rust_obj = ma.group(1).strip()
- take_by_ptr = True
- else:
- java_ty = "long"
- c_ty = "jlong"
- fn_ty_arg = "J"
- fn_arg = ma.group(2).strip()
- rust_obj = ma.group(1).strip()
- take_by_ptr = True
-
- if fn_arg.startswith(" *") or fn_arg.startswith("*"):
- fn_arg = fn_arg.replace("*", "").strip()
- is_ptr = True
- c_ty = "jlong"
- java_ty = "long"
- fn_ty_arg = "J"
-
- var_is_arr = var_is_arr_regex.match(fn_arg)
- if var_is_arr is not None or ret_arr_len is not None:
- assert(not take_by_ptr)
- assert(not is_ptr)
- java_ty = java_ty + "[]"
- 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)