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))
+ if arr_name == "":
+ arr_name = "ret"
+ conv_name = arr_name + "_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
#XXX: We'd really prefer to only ever set to False, avoiding lots of clone, but need smarter free logic
#if ty_info.is_ptr or holds_ref:
# ty_info.subty.requires_clone = False
ty_info.subty.requires_clone = not ty_info.is_ptr or not holds_ref
+ if not ty_info.subty.is_native_primitive and ty_info.subty.rust_obj == "LDKChannelMonitor":
+ # We take a Vec of references to ChannelMonitors as input to ChannelManagerReadArgs, if we clone them,
+ # we end up freeing the clones after creating the ChannelManagerReadArgs before calling the read
+ # function itself, resulting in a segfault. Thus, we manually check and ensure we don't clone for
+ # ChannelMonitors inside of vecs.
+ ty_info.subty.requires_clone = False
subty = self.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 + " = " + self.consts.get_native_arr_len_call[0] + arr_name + self.consts.get_native_arr_len_call[1] + ";\n"
- arg_conv = arg_conv + "if (" + arr_name + "_constr." + arr_len + " > 0)\n"
- if subty.rust_obj is None:
+ pf = ""
+ if ty_info.is_ptr:
+ pf = "\t"
+ arg_conv += ty_info.rust_obj + " *" + arr_name + "_ptr = NULL;\n"
+ arg_conv += "if (" + self.consts.is_arr_some_check[0] + arr_name + self.consts.is_arr_some_check[1] + ") {\n"
+ arg_conv += pf + arr_name + "_constr." + arr_len + " = " + self.consts.get_native_arr_len_call[0] + arr_name + self.consts.get_native_arr_len_call[1] + ";\n"
+ arg_conv += pf + "if (" + arr_name + "_constr." + arr_len + " > 0)\n"
+ if subty.is_native_primitive:
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"
+ arg_conv += pf + "\t" + arr_name + "_constr." + ty_info.arr_access + " = MALLOC(" + arr_name + "_constr." + arr_len + " * sizeof(" + szof + "), \"" + ty_info.rust_obj + " Elements\");\n"
+ arg_conv += pf + "else\n"
+ arg_conv += pf + "\t" + arr_name + "_constr." + ty_info.arr_access + " = NULL;\n"
get_arr = self.consts.get_native_arr_contents(arr_name, "NO_DEST", arr_name + "_constr." + arr_len, ty_info, False)
if get_arr != None:
- arg_conv = arg_conv + subty.c_ty + "* " + arr_name + "_vals = " + get_arr + ";\n"
- arg_conv = arg_conv + "for (size_t " + idxc + " = 0; " + idxc + " < " + arr_name + "_constr." + arr_len + "; " + idxc + "++) {\n"
+ arg_conv += pf + subty.c_ty + "* " + arr_name + "_vals = " + get_arr + ";\n"
+ arg_conv += pf + "for (size_t " + idxc + " = 0; " + idxc + " < " + arr_name + "_constr." + arr_len + "; " + idxc + "++) {\n"
if get_arr != None:
- arg_conv = arg_conv + "\t" + subty.c_ty + " " + conv_name + " = " + arr_name + "_vals[" + idxc + "];"
+ arg_conv += pf + "\t" + subty.c_ty + " " + 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")
+ arg_conv += "\n\t" + pf + subty.arg_conv.replace("\n", "\n\t" + pf)
else:
- arg_conv = arg_conv + "\t" + subty.c_ty + " " + conv_name + " = " + self.consts.get_native_arr_elem(arr_name, idxc, ty_info) + ";\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}"
+ arg_conv += pf + "\t" + subty.c_ty + " " + conv_name + " = " + self.consts.get_native_arr_elem(arr_name, idxc, ty_info) + ";\n"
+ arg_conv += pf + "\t" + subty.arg_conv.replace("\n", "\n\t" + pf)
+ arg_conv += "\n\t" + pf + arr_name + "_constr." + ty_info.arr_access + "[" + idxc + "] = " + subty.arg_conv_name + ";\n" + pf + "}"
if get_arr != None:
cleanup = self.consts.cleanup_native_arr_ref_contents(arr_name, arr_name + "_vals", arr_name + "_constr." + arr_len, ty_info)
if cleanup is not None:
- arg_conv = arg_conv + "\n" + cleanup + ";"
+ arg_conv += "\n" + pf + cleanup + ";"
if ty_info.is_ptr:
- arg_conv_name = "&" + arr_name + "_constr"
+ arg_conv_name = arr_name + "_ptr"
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 + ");"
+ arg_conv_cleanup = "if (" + arr_name + "_ptr != NULL) { FREE(" + arr_name + "_constr." + ty_info.arr_access + "); }"
+ if ty_info.is_ptr:
+ arg_conv += "\n\t" + arr_name + "_ptr = &" + arr_name + "_constr;\n}"
- if arr_name == "arg":
- arr_name = "ret"
ret_conv = (ty_info.rust_obj + " " + arr_name + "_var = ", "")
if subty.ret_conv is None:
ret_conv = ("DUMMY", "DUMMY")
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 + " */")
+ from_hu_conv = (arr_name + " != null ? Arrays.stream(" + arr_name + ").mapToLong(" + conv_name + " -> " + subty.from_hu_conv[0] + ").toArray() : null", "/* 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 + " */")
+ from_hu_conv = (arr_name + " != null ? Arrays.stream(" + arr_name + ").map(" + conv_name + " -> " + subty.from_hu_conv[0] + ").toArray() : null", "/* 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 + " */")
+ from_hu_conv = (arr_name + " != null ? Arrays.stream(" + arr_name + ").map(" + conv_name + " -> " + subty.from_hu_conv[0] + ").toArray(" + ty_info.java_ty + "::new) : null", "/* 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 not is_free:
+ arg_conv = "LDKStr " + ty_info.var_name + "_conv = " + self.consts.str_ref_to_c_call(ty_info.var_name) + ";"
+ arg_conv_name = ty_info.var_name + "_conv"
+ else:
+ arg_conv = "LDKStr dummy = { .chars = NULL, .len = 0, .chars_is_owned = false };"
+ arg_conv_name = "dummy"
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,
+ arg_conv = arg_conv, arg_conv_name = arg_conv_name, arg_conv_cleanup = None,
ret_conv = ("const char* " + ty_info.var_name + "_str = ",
- ";\njstring " + ty_info.var_name + "_conv = " + self.consts.str_ref_to_c_call(ty_info.var_name + "_str", "strlen(" + ty_info.var_name + "_str)") + ";"),
+ ";\njstring " + ty_info.var_name + "_conv = " + self.consts.str_ref_to_native_call(ty_info.var_name + "_str", "strlen(" + ty_info.var_name + "_str)") + ";"),
ret_conv_name = ty_info.var_name + "_conv",
to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None)
else:
+ free_str = ""
+ if not holds_ref:
+ free_str = "\nStr_free(" + ty_info.var_name + "_str);"
return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
- arg_conv = None, arg_conv_name = None, arg_conv_cleanup = None,
+ arg_conv = arg_conv, arg_conv_name = arg_conv_name, arg_conv_cleanup = None,
ret_conv = ("LDKStr " + ty_info.var_name + "_str = ",
- ";\njstring " + ty_info.var_name + "_conv = " + self.consts.str_ref_to_c_call(ty_info.var_name + "_str." + ty_info.arr_access, ty_info.var_name + "_str." + ty_info.arr_len) + ";"),
+ ";\njstring " + ty_info.var_name + "_conv = " + self.consts.str_ref_to_native_call(ty_info.var_name + "_str." + ty_info.arr_access, ty_info.var_name + "_str." + ty_info.arr_len) + ";" + free_str),
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:
+ if not ty_info.is_native_primitive:
assert(not is_free or ty_info.rust_obj not in self.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);",
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:
+ elif ty_info.is_native_primitive:
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 = None, to_hu_conv_name = None, from_hu_conv = None)
ty_info.var_name = "ret"
if ty_info.rust_obj in self.opaque_structs:
+ from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".ptr & ~1", "this.ptrs_to.add(" + ty_info.var_name + ")")
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"
if ty_info.is_ptr and holds_ref:
if not is_free and (not ty_info.is_ptr or not holds_ref or ty_info.requires_clone == True) and ty_info.requires_clone != False:
if (ty_info.rust_obj.replace("LDK", "") + "_clone") in self.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);"
+ opaque_arg_conv = opaque_arg_conv + "\n" + 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!"
+ opaque_arg_conv = opaque_arg_conv + "\n// Warning: we need a move here but no clone is available for " + ty_info.rust_obj
+ # TODO: Once we support features cloning (which just isn't in C yet), we can make this a compile error instead!
+ from_hu_conv = (from_hu_conv[0], from_hu_conv[1] + ";\n" +
+ "// Due to rust's strict-ownership memory model, in some cases we need to \"move\"\n" +
+ "// an object to pass exclusive ownership to the function being called.\n" +
+ "// In most cases, we avoid this being visible in GC'd languages by cloning the object\n" +
+ "// at the FFI layer, creating a new object which Rust can claim ownership of\n" +
+ "// However, in some cases (eg here), there is no way to clone an object, and thus\n" +
+ "// we actually have to pass full ownership to Rust.\n" +
+ "// Thus, after this call, " + ty_info.var_name + " is reset to null and is now a dummy object.\n" + ty_info.var_name + ".ptr = 0")
opaque_ret_conv_suf = ";\n"
if not holds_ref and ty_info.is_ptr and (ty_info.rust_obj.replace("LDK", "") + "_clone") in self.clone_fns: # is_ptr, not holds_ref implies passing a pointed-to value to java, which needs copied
- opaque_ret_conv_suf = opaque_ret_conv_suf + "if (" + ty_info.var_name + "->inner != NULL)\n"
- opaque_ret_conv_suf = opaque_ret_conv_suf + "\t" + ty_info.var_name + "_var = " + ty_info.rust_obj.replace("LDK", "") + "_clone(" + ty_info.var_name + ");\n"
+ opaque_ret_conv_suf = opaque_ret_conv_suf + ty_info.var_name + "_var = " + ty_info.rust_obj.replace("LDK", "") + "_clone(" + ty_info.var_name + ");\n"
elif not holds_ref and ty_info.is_ptr:
- opaque_ret_conv_suf = opaque_ret_conv_suf + "// Warning: we may need a move here but can't clone!\n"
+ opaque_ret_conv_suf = opaque_ret_conv_suf + "// Warning: we may need a move here but no clone is available for " + ty_info.rust_obj + "\n"
- opaque_ret_conv_suf = opaque_ret_conv_suf + "CHECK((((long)" + ty_info.var_name + "_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.\n"
- opaque_ret_conv_suf = opaque_ret_conv_suf + "CHECK((((long)&" + ty_info.var_name + "_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.\n"
+ opaque_ret_conv_suf = opaque_ret_conv_suf + "CHECK((((uint64_t)" + ty_info.var_name + "_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.\n"
+ opaque_ret_conv_suf = opaque_ret_conv_suf + "CHECK((((uint64_t)&" + ty_info.var_name + "_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.\n"
if holds_ref:
- opaque_ret_conv_suf = opaque_ret_conv_suf + "long " + ty_info.var_name + "_ref = (long)" + ty_info.var_name + "_var.inner & ~1;"
+ opaque_ret_conv_suf = opaque_ret_conv_suf + "uint64_t " + ty_info.var_name + "_ref = (uint64_t)" + ty_info.var_name + "_var.inner & ~1;"
else:
- opaque_ret_conv_suf = opaque_ret_conv_suf + "long " + ty_info.var_name + "_ref = (long)" + ty_info.var_name + "_var.inner;\n"
+ opaque_ret_conv_suf = opaque_ret_conv_suf + "uint64_t " + ty_info.var_name + "_ref = (uint64_t)" + ty_info.var_name + "_var.inner;\n"
opaque_ret_conv_suf = opaque_ret_conv_suf + "if (" + ty_info.var_name + "_var.is_owned) {\n"
opaque_ret_conv_suf = opaque_ret_conv_suf + "\t" + ty_info.var_name + "_ref |= 1;\n"
opaque_ret_conv_suf = opaque_ret_conv_suf + "}"
ret_conv_name = ty_info.var_name + "_ref",
to_hu_conv = self.consts.to_hu_conv_templates['ptr'].replace('{human_type}', ty_info.java_hu_ty).replace('{var_name}', 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 + ")"))
+ from_hu_conv = from_hu_conv)
else:
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 = ", opaque_ret_conv_suf),
ret_conv_name = ty_info.var_name + "_ref",
- to_hu_conv = self.consts.to_hu_conv_templates['default'].replace('{human_type}', ty_info.java_hu_ty).replace('{var_name}', ty_info.var_name),
+ to_hu_conv = self.consts.to_hu_conv_templates['default'].replace('{human_type}', ty_info.java_hu_ty).replace('{var_name}', ty_info.var_name) + "\n" + ty_info.var_name + "_hu_conv.ptrs_to.add(this);",
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 + ")"))
+ from_hu_conv = from_hu_conv)
if not ty_info.is_ptr:
if ty_info.rust_obj in self.unitary_enums:
arg_conv_cleanup = None,
ret_conv = (ty_info.c_ty + " " + ty_info.var_name + "_conv = " + ret_pfx, ret_sfx + ";"),
ret_conv_name = ty_info.var_name + "_conv", to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None)
- base_conv = ty_info.rust_obj + " " + ty_info.var_name + "_conv = *(" + ty_info.rust_obj + "*)" + ty_info.var_name + ";"
+ base_conv = ty_info.rust_obj + " " + ty_info.var_name + "_conv = *(" + ty_info.rust_obj + "*)(((uint64_t)" + ty_info.var_name + ") & ~1);"
if ty_info.rust_obj in self.trait_structs:
+ ret_conv = (ty_info.rust_obj + "* ret = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n*ret = ", ";")
+ if holds_ref:
+ if (ty_info.rust_obj.replace("LDK", "") + "_clone") in self.clone_fns:
+ ret_conv = (ret_conv[0] + ty_info.rust_obj.replace("LDK", "") + "_clone(&", ");")
+ else:
+ ret_conv = (ret_conv[0], "; // Warning: We likely need to clone here, but no clone is available for " + ty_info.rust_obj)
if not is_free:
needs_full_clone = not is_free and (not ty_info.is_ptr and not holds_ref or ty_info.requires_clone == True) and ty_info.requires_clone != False
if needs_full_clone and (ty_info.rust_obj.replace("LDK", "") + "_clone") in self.clone_fns:
- base_conv = base_conv + "\n" + ty_info.var_name + "_conv = " + ty_info.rust_obj.replace("LDK", "") + "_clone(" + ty_info.var_name + ");"
+ base_conv = base_conv + "\n" + ty_info.var_name + "_conv = " + ty_info.rust_obj.replace("LDK", "") + "_clone(&" + ty_info.var_name + "_conv);"
else:
base_conv = base_conv + self.consts.trait_struct_inc_refcnt(ty_info)
if needs_full_clone:
- base_conv = base_conv + "// Warning: we may need a move here but can't do a full clone!\n"
+ base_conv = base_conv + "// Warning: we may need a move here but no clone is available for " + ty_info.rust_obj + "\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 = (ty_info.rust_obj + "* ret = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n*ret = ", ";"),
- ret_conv_name = "(long)ret",
+ ret_conv = ret_conv, ret_conv_name = "(uint64_t)ret",
to_hu_conv = ty_info.java_hu_ty + " ret_hu_conv = new " + ty_info.java_hu_ty + "(null, " + ty_info.var_name + ");\nret_hu_conv.ptrs_to.add(this);",
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 + ")"))
- needs_full_clone = not is_free and (not ty_info.is_ptr and not holds_ref or ty_info.requires_clone == True) and ty_info.requires_clone != False
+ needs_full_clone = not is_free and ((not ty_info.is_ptr and not holds_ref) or ty_info.requires_clone == True) and ty_info.requires_clone != False
if needs_full_clone:
- if not ty_info.var_name.startswith("ret") or "res" in ty_info.var_name: # XXX: This is a stupid hack
+ if "res" in ty_info.var_name: # XXX: This is a stupid hack
needs_full_clone = False
if needs_full_clone and (ty_info.rust_obj.replace("LDK", "") + "_clone") in self.clone_fns:
- base_conv = base_conv + "\n" + ty_info.var_name + "_conv = " + ty_info.rust_obj.replace("LDK", "") + "_clone((" + ty_info.rust_obj + "*)" + ty_info.var_name + ");"
+ base_conv = base_conv + "\n" + ty_info.var_name + "_conv = " + ty_info.rust_obj.replace("LDK", "") + "_clone((" + ty_info.rust_obj + "*)(((uint64_t)" + ty_info.var_name + ") & ~1));"
elif needs_full_clone:
- base_conv = base_conv + "\n// Warning: we may need a move here but can't do a full clone!"
- if not needs_full_clone and ty_info.rust_obj != "LDKu8slice":
+ base_conv = base_conv + "\n// Warning: we may need a move here but no clone is available for " + ty_info.rust_obj
+ if not needs_full_clone and ty_info.rust_obj != "LDKu8slice" and (not holds_ref or is_free):
# 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 self.complex_enums:
- ret_conv = ("long " + ty_info.var_name + "_ref = (long)&", ";")
+ ret_conv = ("uint64_t " + ty_info.var_name + "_ref = ((uint64_t)&", ") | 1;")
if not holds_ref:
ret_conv = (ty_info.rust_obj + " *" + ty_info.var_name + "_copy = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n", "")
if ty_info.requires_clone == True: # Set in object array mapping
if (ty_info.rust_obj.replace("LDK", "") + "_clone") in self.clone_fns:
ret_conv = (ret_conv[0] + "*" + ty_info.var_name + "_copy = " + ty_info.rust_obj.replace("LDK", "") + "_clone(&", ");\n")
else:
- ret_conv = (ret_conv[0] + "*" + ty_info.var_name + "_copy = ", "; // XXX: We likely need to clone here, but no _clone fn is available!\n")
+ ret_conv = (ret_conv[0] + "*" + ty_info.var_name + "_copy = ", "; // Warning: We likely need to clone here, but no clone is available for " + ty_inf.rust_obj + "\n")
else:
ret_conv = (ret_conv[0] + "*" + ty_info.var_name + "_copy = ", ";\n")
- ret_conv = (ret_conv[0], ret_conv[1] + "long " + ty_info.var_name + "_ref = (long)" + ty_info.var_name + "_copy;")
+ ret_conv = (ret_conv[0], ret_conv[1] + "uint64_t " + ty_info.var_name + "_ref = (uint64_t)" + 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",
ret_conv = (ty_info.rust_obj + "* " + ty_info.var_name + "_conv = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n*" + ty_info.var_name + "_conv = ", ";")
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 = "(long)" + ty_info.var_name + "_conv",
+ ret_conv = ret_conv, ret_conv_name = "(uint64_t)" + ty_info.var_name + "_conv",
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 ? " + ty_info.var_name + ".ptr : 0", ""))
if ty_info.rust_obj in self.tuple_types:
+ from_hu_conv_sfx = ""
from_hu_conv = "bindings." + self.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 + "("
- clone_ret_str = ""
+ to_hu_conv_refs = ""
for idx, conv in enumerate(self.tuple_types[ty_info.rust_obj][0]):
if idx != 0:
to_hu_conv_sfx = to_hu_conv_sfx + ", "
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
+ if to_hu_conv_refs is not None:
+ if conv_map.c_ty.endswith("Array"):
+ to_hu_conv_refs = None
+ else:
+ to_hu_conv_refs = to_hu_conv_refs + "\n" + conv_map.to_hu_conv_name + ".ptrs_to.add(" + ty_info.var_name + "_conv);"
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] + "*/"
+ from_hu_conv_sfx = from_hu_conv_sfx + conv_map.from_hu_conv[1].replace(conv.var_name, ty_info.var_name + "." + chr(idx + ord("a")))
else:
from_hu_conv = from_hu_conv + ty_info.var_name + "." + chr(idx + ord("a"))
- if conv.is_native_primitive:
- pass
- elif (conv_map.rust_obj.replace("LDK", "") + "_clone") in self.clone_fns:
- accessor = ty_info.var_name + "_ref->" + chr(idx + ord("a"))
- clone_ret_str = clone_ret_str + "\n" + accessor + " = " + conv_map.rust_obj.replace("LDK", "") + "_clone(&" + accessor + ");"
- else:
- clone_ret_str = clone_ret_str + "\n// XXX: We likely need to clone here, but no _clone fn is available for " + conv_map.java_hu_ty
+ if to_hu_conv_refs is None:
+ to_hu_conv = to_hu_conv_pfx + to_hu_conv_sfx + ");\n// Warning: We may not free the C tuple object!"
+ else:
+ to_hu_conv = to_hu_conv_pfx + to_hu_conv_sfx + ", () -> {\n"
+ to_hu_conv = to_hu_conv + "\tbindings." + ty_info.rust_obj.replace("LDK", "") + "_free(" + ty_info.var_name + ");\n"
+ to_hu_conv = to_hu_conv + "});" + to_hu_conv_refs
if not ty_info.is_ptr and not holds_ref:
ret_conv = (ty_info.rust_obj + "* " + ty_info.var_name + "_ref = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n*" + ty_info.var_name + "_ref = ", ";")
- if not is_free and (not ty_info.is_ptr and not holds_ref or ty_info.requires_clone == True) and ty_info.requires_clone != False:
- ret_conv = (ret_conv[0], ret_conv[1] + clone_ret_str)
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 = "(long)" + 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 + ")", ""))
+ ret_conv_name = "(uint64_t)" + ty_info.var_name + "_ref",
+ to_hu_conv = to_hu_conv, to_hu_conv_name = ty_info.var_name + "_conv", from_hu_conv = (from_hu_conv + ")", from_hu_conv_sfx))
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 = (from_hu_conv + ")", ""))
+ ret_conv = ("uint64_t " + ty_info.var_name + "_ref = (uint64_t)(&", ") | 1;"), ret_conv_name = ty_info.var_name + "_ref",
+ to_hu_conv = to_hu_conv, to_hu_conv_name = ty_info.var_name + "_conv", from_hu_conv = (from_hu_conv + ")", from_hu_conv_sfx))
+
+ # The manually-defined types - TxOut and u5
+ if ty_info.rust_obj == "LDKu5":
+ return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
+ arg_conv = "", arg_conv_name = "(LDKu5){ ._0 = " + ty_info.var_name + " }", arg_conv_cleanup = None,
+ ret_conv = ("uint8_t " + ty_info.var_name + "_val = ", "._0;"), ret_conv_name = ty_info.var_name + "_val",
+ to_hu_conv = ty_info.java_hu_ty + " " + ty_info.var_name + "_conv = new " + ty_info.java_hu_ty + "(" + ty_info.var_name + ");",
+ to_hu_conv_name = ty_info.var_name + "_conv", from_hu_conv = (ty_info.var_name + ".getVal()", ""))
- # The manually-defined types - TxOut and Transaction
assert ty_info.rust_obj == "LDKTxOut"
if not ty_info.is_ptr and not holds_ref:
ret_conv = ("LDKTxOut* " + ty_info.var_name + "_ref = MALLOC(sizeof(LDKTxOut), \"LDKTxOut\");\n*" + ty_info.var_name + "_ref = ", ";")
else:
- ret_conv = ("long " + ty_info.var_name + "_ref = (long)&", ";")
+ ret_conv = ("uint64_t " + ty_info.var_name + "_ref = ((uint64_t)&", ") | 1;")
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 = "(long)" + ty_info.var_name + "_ref",
+ ret_conv = ret_conv, ret_conv_name = "(uint64_t)" + 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:
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,
+ ret_conv = ("uint64_t ret_" + ty_info.var_name + " = (uint64_t)", ";"), 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 self.trait_structs:
+ if ty_info.nonnull_ptr:
+ arg_conv = ty_info.rust_obj + "* " + ty_info.var_name + "_conv = (" + ty_info.rust_obj + "*)(((uint64_t)" + ty_info.var_name + ") & ~1);"
+ arg_conv_name = ty_info.var_name + "_conv"
+ else:
+ # We map Option<Trait> as *mut Trait, which we can differentiate from &Trait by the NONNULL_PTR annotation.
+ # We handle the Option<Trait> case here.
+ arg_conv = ty_info.rust_obj + " *" + ty_info.var_name + "_conv_ptr = NULL;\n"
+ arg_conv += "if (" + ty_info.var_name + " != 0) {\n"
+ arg_conv += "\t" + ty_info.rust_obj + " " + ty_info.var_name + "_conv;\n"
+ arg_conv += "\t" + ty_info.var_name + "_conv = *(" + ty_info.rust_obj + "*)(((uint64_t)" + ty_info.var_name + ") & ~1);"
+ arg_conv += self.consts.trait_struct_inc_refcnt(ty_info).replace("\n", "\n\t")
+ arg_conv += "\n\t" + ty_info.var_name + "_conv_ptr = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n"
+ arg_conv += "\t*" + ty_info.var_name + "_conv_ptr = " + ty_info.var_name + "_conv;\n"
+ arg_conv += "}"
+ arg_conv_name = ty_info.var_name + "_conv_ptr"
if ty_info.rust_obj.replace("LDK", "") + "_clone" in self.clone_fns:
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,
+ arg_conv = arg_conv, arg_conv_name = arg_conv_name, arg_conv_cleanup = None,
ret_conv = (ty_info.rust_obj + " *" + ty_info.var_name + "_clone = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n" +
"*" + ty_info.var_name + "_clone = " + ty_info.rust_obj.replace("LDK", "") + "_clone(", ");"),
- ret_conv_name = "(long)" + ty_info.var_name + "_clone",
+ ret_conv_name = "(uint64_t)" + ty_info.var_name + "_clone",
to_hu_conv = ty_info.java_hu_ty + " ret_hu_conv = new " + ty_info.java_hu_ty + "(null, " + ty_info.var_name + ");\nret_hu_conv.ptrs_to.add(this);",
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 + ")"))
else:
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,
+ arg_conv = arg_conv, arg_conv_name = arg_conv_name, arg_conv_cleanup = None,
+ ret_conv = ("uint64_t ret_" + ty_info.var_name + " = (uint64_t)", ";"), 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, " + ty_info.var_name + ");\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 = ty_info.rust_obj + "* " + ty_info.var_name + "_conv = (" + ty_info.rust_obj + "*)(" + ty_info.var_name + " & ~1);",
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,
+ ret_conv = ("uint64_t ret_" + ty_info.var_name + " = (uint64_t)", ";"), 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
assert False # We should have handled every case by now.