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
take_by_ptr = True
else:
java_ty = "long"
- java_hu_ty = ma.group(1).strip().replace("LDK", "")
+ 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()
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:
- 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)
+ 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):
+ 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,
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, 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() # not implemented
+ 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)
+ 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"
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 + ");")
+ 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 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.data);")
+ 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 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"
- 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 + "}"
+ 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.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 = ("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":
+ 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 = ("long " + ty_info.var_name + "_ref = (long)&", ";"), ret_conv_name = ty_info.var_name + "_ref",
+ 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 + ".conv_to_c()", ""))
+ 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)
+ 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;
+ 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"));
+ 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: Need to call " + conv_map.from_hu_conv[1] + "*/"
+ else:
+ 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",
- to_hu_conv = to_hu_conv_pfx + to_hu_conv_sfx + ");", to_hu_conv_name = ty_info.var_name + "_conv", from_hu_conv = ("/*TODO b*/0", ""))
+ 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 = ("/*TODO 1*/0", ""))
+ 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", ""))
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, to_hu_conv = "TODO 2", to_hu_conv_name = None,
+ ret_conv = None, ret_conv_name = None,
+ 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 + ")")) # its a pointer, no conv needed
+ 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,
+ 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 + ")")) # its a pointer, no conv needed
elif ty_info.rust_obj in trait_structs:
return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
elif ty_info.is_ptr:
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, to_hu_conv = "TODO 4", to_hu_conv_name = None, from_hu_conv = None)
+ ret_conv = None, ret_conv_name = None, 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 = ty_info.var_name, arg_conv_cleanup = None,
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,
+ 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
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)
+ 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,
+ 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,
ret_conv = (ty_info.rust_obj + "* ret = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n*ret = ", ";"),
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.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.
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("\tlong conv_to_c() { assert false; return 0; /* Should only be called on subclasses */ }\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 = ""
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 + "(null, ptr);\n") # TODO: Conv values!
+ 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 = java_c_types(field.strip(' ;'), None)
- out_java.write("\t\t\tpublic " + field_ty.java_ty + " " + field_ty.var_name + ";\n")
- java_hu_subclasses = java_hu_subclasses + "\t\tpublic " + field_ty.java_hu_ty + " " + field_ty.var_name + ";\n"
+ 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.var_name
- init_meth_body = init_meth_body + "this." + field_ty.var_name + " = " + field_ty.var_name + "; "
+ 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 + "(Object _dummy, long ptr) { super(null, ptr); }\n"
- java_hu_subclasses = java_hu_subclasses + "\t\t@Override long conv_to_c() { return 0; /*XXX*/ }\n"
- java_hu_subclasses = java_hu_subclasses + "\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)
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)
+ 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_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") # XXX: Should be priv ( but is currently used in tests
+ 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 var_line in field_var_lines:
if var_line.group(1) in trait_structs:
out_java_trait.write(", bindings." + var_line.group(1) + " " + var_line.group(2))
out_java_trait.write(", " + var_line.group(2))
out_java_trait.write("));\n")
out_java_trait.write("\t\tthis.ptrs_to.add(arg);\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) {\n"
- java_trait_constr = java_trait_constr + "\t\tthis(new bindings." + struct_name + "() {\n"
- #out_java_trait.write("\tpublic static interface " + struct_name.replace("LDK", "") + "Interface {\n")
+ java_trait_constr = "\tpublic " + struct_name.replace("LDK", "") + "(" + struct_name.replace("LDK", "") + "Interface arg"
+ for var_line in 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)
+ 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 = map_type(fn_line.group(1), True, None, False)
+ 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) + "(")
+ 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:
if idx >= 2:
out_java.write(", ")
java_trait_constr = java_trait_constr + ", "
- #out_java_trait.write(", ")
+ 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_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_meths.append(java_meth_descr)
out_java.write(");\n")
- #out_java_trait.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("\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') + "\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")
if ret_ty_info.c_ty.endswith("Array"):
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");
if ret_ty_info.java_ty != "void":
- java_trait_constr = java_trait_constr + "\t\t\t\treturn arg." + fn_line.group(2) + "("
+ 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.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")
out_c.write("\tFREE(ret);\n")
out_c.write("\treturn res;\n")
out_c.write("}\n")
- java_trait_constr = java_trait_constr + ");\n\t\t\t}\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")
- #out_java_trait.write("\t}\n")
- #out_java_trait.write(java_trait_constr + "\t\t});\n\t}\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"
+ 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")
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!\\n", ptr);
+ 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);
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; }
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\tbindings." + struct_name.replace("LDK","") + "_free(ptr);\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)
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("\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")
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":
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:
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:
- human_ty = alias_match.group(2).replace("LDKCResult", "Result_").replace("__", "_").replace("Templ", "")
+ 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\tbindings." + alias_match.group(2).replace("LDK","") + "_free(ptr); super.finalize();\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)
- err_map = map_type(err_ty + " err", True, None, False)
+ 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("return *val->contents.result")
out_c.write(";\n}\n")
- out_java_struct.write("\t\tpublic " + res_map.java_hu_ty + " res;\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("\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\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("\t}\n\tpublic static final class " + human_ty + "_Err extends " + human_ty + " {\n")
+ 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)
out_c.write("return *val->contents.err")
out_c.write(";\n}\n")
- out_java_struct.write("\t\tpublic " + err_map.java_hu_ty + " err;\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("\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)