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 + "\n" + ty_info.var_name + "_conv = " + ty_info.rust_obj.replace("LDK", "") + "_clone(&" + ty_info.var_name + "_conv);"
+ from_hu_conv = (from_hu_conv[0], "")
elif ty_info.passed_as_ptr:
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!
opaque_ret_conv_suf = opaque_ret_conv_suf + "\t" + ty_info.var_name + "_ref |= 1;\n"
opaque_ret_conv_suf = opaque_ret_conv_suf + "}"
+ to_hu_conv_sfx = ""
+ if not ty_info.is_ptr or holds_ref:
+ to_hu_conv_sfx = "\n" + ty_info.var_name + "_hu_conv.ptrs_to.add(this);"
if ty_info.is_ptr:
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['ptr'].replace('{human_type}', ty_info.java_hu_ty).replace('{var_name}', ty_info.var_name),
+ 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_sfx,
to_hu_conv_name = ty_info.var_name + "_hu_conv",
from_hu_conv = from_hu_conv)
else:
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) + "\n" + ty_info.var_name + "_hu_conv.ptrs_to.add(this);",
+ 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_sfx,
to_hu_conv_name = ty_info.var_name + "_hu_conv",
from_hu_conv = from_hu_conv)
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)
+ ret_conv = (ret_conv[0], ";\n// Warning: We likely need to clone here, but no clone is available, so we just do it for Java instances")
+ ret_conv = (ret_conv[0], ret_conv[1] + "" + self.consts.trait_struct_inc_refcnt(ty_info).replace(ty_info.var_name + "_conv", "(*" + ty_info.var_name + "_ret)"))
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:
# 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:
+ if needs_full_clone and (ty_info.rust_obj.replace("LDK", "") + "_clone") not in self.clone_fns:
+ # We really need a full clone here, but for now we just implement
+ # a manual clone explicitly for Option<Trait>s
+ if ty_info.rust_obj.startswith("LDKCOption"):
+ optional_ty = ty_info.rust_obj[11:-1]
+ if "LDK" + optional_ty in self.trait_structs:
+ base_conv += "\nif (" + ty_info.var_name + "_conv.tag == " + ty_info.rust_obj + "_Some) {"
+ base_conv += "\n\t// Manually implement clone for Java trait instances"
+ optional_ty_info = self.java_c_types("LDK" + optional_ty + " " + ty_info.var_name, None)
+ base_conv += self.consts.trait_struct_inc_refcnt(optional_ty_info).\
+ replace("\n", "\n\t").replace(ty_info.var_name + "_conv", ty_info.var_name + "_conv.some")
+ base_conv += "\n}"
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", "")
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 + "("
- 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 + ", "
- from_hu_conv = from_hu_conv + ", "
- conv.var_name = ty_info.var_name + "_" + chr(idx + ord("a"))
- conv_map = self.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")) + " = "
- if not conv.is_native_primitive and (conv_map.rust_obj.replace("LDK", "") + "_clone") in self.clone_fns and conv_map.rust_obj == "LDKTxOut":
- to_hu_conv_pfx = to_hu_conv_pfx + "bindings." + conv_map.rust_obj.replace("LDK", "") + "_clone("
- to_hu_conv_pfx = to_hu_conv_pfx + "bindings." + self.tuple_types[ty_info.rust_obj][1] + "_get_" + chr(idx + ord("a")) + "(" + ty_info.var_name + ")"
- if not conv.is_native_primitive and (conv_map.rust_obj.replace("LDK", "") + "_clone") in self.clone_fns and conv_map.rust_obj == "LDKTxOut": # XXX
- to_hu_conv_pfx = to_hu_conv_pfx + ")"
- to_hu_conv_pfx = to_hu_conv_pfx + ";\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
- 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_sfx = from_hu_conv_sfx + conv_map.from_hu_conv[1].replace(conv.var_name, ty_info.var_name + "." + chr(idx + ord("a")))
- if idx != len(self.tuple_types[ty_info.rust_obj][0]) - 1:
- from_hu_conv_sfx += "; "
+ ret_conv_name = "((uint64_t)" + ty_info.var_name + "_conv)"
+ if holds_ref:
+ # If we're trying to return a ref, we have to clone.
+ # We just blindly assume its implemented and let the compiler fail if its not.
+ 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 = ", ";")
+ if (ty_info.rust_obj.replace("LDK", "") + "_clone") not in self.clone_fns:
+ ret_conv = (ret_conv[0], ret_conv[1] + "\n// Warning: we really need to clone here, but no clone is available for " + ty_info.rust_obj)
+ ret_conv_name += " | 1"
else:
- from_hu_conv = from_hu_conv + ty_info.var_name + "." + chr(idx + ord("a"))
-
- 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!"
+ ret_conv = (ret_conv[0], ret_conv[1] + "\n*" + ty_info.var_name + "_conv = " + ty_info.rust_obj.replace("LDK", "") + "_clone(" + ty_info.var_name + "_conv);")
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 = ", ";")
- 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 = "(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))
+ 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 = ", ";")
+ if not ty_info.is_ptr or holds_ref:
+ to_hu_conv_sfx = "\n" + ty_info.var_name + "_hu_conv.ptrs_to.add(this);"
+ else:
+ to_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 = ("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))
+ ret_conv = ret_conv, ret_conv_name = ret_conv_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_sfx,
+ to_hu_conv_name = ty_info.var_name + "_hu_conv", from_hu_conv = (ty_info.var_name + " != null ? " + ty_info.var_name + ".ptr : 0", ""))
# The manually-defined types - TxOut and u5
if ty_info.rust_obj == "LDKu5":
elif ty_info.is_ptr:
assert(not is_free)
if ty_info.rust_obj in self.complex_enums:
+ ret_conv = ("uint64_t ret_" + ty_info.var_name + " = (uint64_t)", " | 1; // Warning: We should clone here!")
+ from_hu_sfx = "this.ptrs_to.add(" + ty_info.var_name + ")"
+ if ty_info.rust_obj.replace("LDK", "") + "_clone" in self.clone_fns:
+ ret_conv_pfx = ty_info.rust_obj + " *ret_" + ty_info.var_name + " = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + " ret conversion\");\n"
+ ret_conv_pfx += "*ret_" + ty_info.var_name + " = " + ty_info.rust_obj.replace("LDK", "") + "_clone("
+ ret_conv = (ret_conv_pfx, ");")
+ from_hu_sfx = ""
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 = ("uint64_t ret_" + ty_info.var_name + " = (uint64_t)", ";"), ret_conv_name = "ret_" + ty_info.var_name,
+ ret_conv = ret_conv, ret_conv_name = "(uint64_t)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 + ")"))
+ from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".ptr & ~1", from_hu_sfx))
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);"
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 + ")"))
+ from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".ptr", ""))
else:
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 = None,