X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=ldk-java;a=blobdiff_plain;f=gen_type_mapping.py;h=9c948456354c45c73fa539ff968e10ba345fa723;hp=4d013c68b34a7ce8f861c2844075a542a84587c9;hb=50fb8eec8720923d4623031e788dc46d771e9aed;hpb=e4e7f2ffcea8959b21a586f94c4d4eac92fb4cac diff --git a/gen_type_mapping.py b/gen_type_mapping.py index 4d013c68..9c948456 100644 --- a/gen_type_mapping.py +++ b/gen_type_mapping.py @@ -291,7 +291,7 @@ class TypeMappingGenerator: else: from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".clone_ptr()", "") 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 + 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" + @@ -311,7 +311,7 @@ class TypeMappingGenerator: 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 += indent + 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 += indent + "// Warning: we may need a move here but no clone is available for " + ty_info.rust_obj + "\n" + opaque_ret_conv_suf += indent + "// WARNING: we may need a move here but no clone is available for " + ty_info.rust_obj + "\n" opaque_ret_conv_suf += indent + "CHECK((((uintptr_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((((uintptr_t)&" + ty_info.var_name + "_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.\n" @@ -367,7 +367,7 @@ class TypeMappingGenerator: 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], ";\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], ";\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 @@ -384,7 +384,7 @@ class TypeMappingGenerator: 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 no clone is available for " + ty_info.rust_obj + "\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 + ");" if from_hu_conv is None: @@ -410,7 +410,7 @@ class TypeMappingGenerator: from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".clone_ptr()", "") base_conv += "\n" + "FREE((void*)" + ty_info.var_name + ");" elif needs_full_clone: - base_conv = base_conv + "\n// Warning: we may need a move here but no clone is available for " + ty_info.rust_obj + 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. @@ -465,7 +465,7 @@ class TypeMappingGenerator: # If we're trying to return a ref, we have to clone. if (ty_info.rust_obj.replace("LDK", "") + "_clone") not in self.clone_fns: ret_conv = (ty_info.rust_obj + "* " + ty_info.var_name + "_conv = &", "") - ret_conv = (ret_conv[0], ";\n// Warning: we really need to clone here, but no clone is available for " + ty_info.rust_obj) + ret_conv = (ret_conv[0], ";\n// WARNING: we really need to clone here, but no clone is available for " + ty_info.rust_obj) ret_conv_name += " | 1" else: 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 = ", ";") @@ -506,7 +506,7 @@ class TypeMappingGenerator: elif ty_info.is_ptr: assert(not is_free) if ty_info.rust_obj in self.complex_enums: - ret_conv = ("uintptr_t ret_" + ty_info.var_name + " = (uintptr_t)", " | 1; // Warning: We should clone here!") + ret_conv = ("uintptr_t ret_" + ty_info.var_name + " = (uintptr_t)", " | 1; // WARNING: We should clone here!") from_hu_sfx = self.consts.add_ref("this", 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"