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:
- opaque_arg_conv = opaque_arg_conv + ty_info.var_name + "_conv.is_owned = false;"
+ opaque_arg_conv += ty_info.var_name + "_conv.is_owned = false;\n"
else:
- opaque_arg_conv = opaque_arg_conv + ty_info.var_name + "_conv.is_owned = (" + ty_info.var_name + " & 1) || (" + ty_info.var_name + " == 0);"
+ opaque_arg_conv += ty_info.var_name + "_conv.is_owned = (" + ty_info.var_name + " & 1) || (" + ty_info.var_name + " == 0);\n"
+ opaque_arg_conv += "CHECK_INNER_FIELD_ACCESS_OR_NULL(" + ty_info.var_name + "_conv);"
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_ret_conv_suf += indent + "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 += indent + "CHECK((((uint64_t)&" + ty_info.var_name + "_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.\n"
+ opaque_ret_conv_suf += "CHECK_INNER_FIELD_ACCESS_OR_NULL(" + ty_info.var_name + "_var);\n"
if holds_ref:
opaque_ret_conv_suf += indent + ty_info.var_name + "_ref = (uint64_t)" + ty_info.var_name + "_var.inner & ~1;"
else:
base_conv += "CHECK_ACCESS(" + ty_info.var_name + "_ptr);\n"
base_conv += ty_info.rust_obj + " " + ty_info.var_name + "_conv = *(" + ty_info.rust_obj + "*)(" + ty_info.var_name + "_ptr);"
if ty_info.rust_obj in self.trait_structs:
- ret_conv = (ty_info.rust_obj + "* " + ty_info.var_name + "_ret =MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n*" + ty_info.var_name + "_ret = ", ";")
+ ret_conv = (ty_info.rust_obj + "* " + ty_info.var_name + "_ret = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n*" + ty_info.var_name + "_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(&", ");")
# 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:
+ to_hu_conv_sfx = ""
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"):
+ if ty_info.contains_trait:
+ assert ty_info.rust_obj.startswith("LDKCOption") # We don't support contained traits for anything else yet
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}"
+ assert "LDK" + optional_ty in self.trait_structs # We don't support contained traits for anything else yet
+ to_hu_conv_sfx = "this.ptrs_to.add(" + ty_info.var_name + ")"
+ 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", "")
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 + ");\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 + ".ptr", ""))
+ to_hu_conv_name = ty_info.var_name + "_hu_conv", from_hu_conv = (ty_info.var_name + ".ptr", to_hu_conv_sfx))
if ty_info.rust_obj in self.result_types:
if holds_ref:
# If we're trying to return a ref, we have to clone.
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,
- ret_conv = ("uint64_t ret_" + ty_info.var_name + " = (uint64_t)", ";"), ret_conv_name = "ret_" + ty_info.var_name,
+ ret_conv = ("// WARNING: This object doesn't live past this scope, needs clone!\nuint64_t ret_" + ty_info.var_name + " = ((uint64_t)", ") | 1;"),
+ 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 + ")"))
projects / ldk-java / blobdiff