Chiebot-Mirror
/
protobuf
mirror of https://github.com/protocolbuffers/protobuf.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

Delete the UPB kernel.

Browse Source 
It's been made obsolete by cl/524903073.

PiperOrigin-RevId: 526587271
pull/12513/head
Jakob Buchgraber 2 years ago committed by Copybara-Service
parent bc127f2b56
commit e6b4f0e2d6
3 changed files with 1 additions and 275 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 16
      src/google/protobuf/compiler/rust/BUILD.bazel
  2. 204
      src/google/protobuf/compiler/rust/upb_kernel.cc
  3. 56
      src/google/protobuf/compiler/rust/upb_kernel.h

16
src/google/protobuf/compiler/rust/BUILD.bazel
Unescape View File

@ -19,7 +19,6 @@ cc_library(
":context",
":message",
":naming",
":upb_kernel",
"//src/google/protobuf:protobuf_nowkt",
"//src/google/protobuf/compiler:code_generator",
"//src/google/protobuf/compiler/cpp:names",
@ -96,17 +95,4 @@ cc_library(
"@com_google_absl//absl/log:absl_log",
"@com_google_absl//absl/strings",
],
)
cc_library(
name = "upb_kernel",
srcs = ["upb_kernel.cc"],
hdrs = ["upb_kernel.h"],
copts = COPTS,
include_prefix = "google/protobuf/compiler/rust",
visibility = ["//visibility:private"],
deps = [
"//src/google/protobuf:protobuf_nowkt",
"@com_google_absl//absl/strings",
],
)
)

204
src/google/protobuf/compiler/rust/upb_kernel.cc
Unescape View File

@ -1,204 +0,0 @@
// Protocol Buffers - Google's data interchange format
// Copyright 2023 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "google/protobuf/compiler/rust/upb_kernel.h"
#include <optional>
#include <string>
#include <utility>
#include <vector>
#include "absl/strings/str_cat.h"
#include "absl/strings/str_replace.h"
#include "absl/strings/string_view.h"
#include "google/protobuf/descriptor.h"
#include "google/protobuf/io/printer.h"
namespace google {
namespace protobuf {
namespace compiler {
namespace rust {
// The prefix used by the UPB compiler to generate unique function names.
// TODO(b/275708201): Determine a principled way to generate names of UPB
// accessors.
std::string UpbMsgPrefix(const Descriptor* msg_descriptor) {
std::string upb_msg_prefix = msg_descriptor->full_name();
absl::StrReplaceAll({{".", "_"}}, &upb_msg_prefix);
return upb_msg_prefix;
}
std::string UpbThunkName(const FieldDescriptor* field,
const std::string& msg_prefix,
const std::string& accessor) {
return absl::StrCat(msg_prefix, accessor, field->name());
}
bool IsSupported(const FieldDescriptor* field) {
// Per v0 design document.
return field->is_optional() && !field->is_repeated();
}
absl::string_view RustTypeFromCppType(const FieldDescriptor::Type field_type) {
switch (field_type) {
case FieldDescriptor::Type::TYPE_BOOL:
return "bool";
case FieldDescriptor::Type::TYPE_INT64:
return "i64";
default: {
ABSL_LOG(FATAL) << "Unsupported field type: " << field_type;
}
}
}
void GenScalarAccessors(const std::string& upb_msg_prefix,
const std::string& msg_name,
const FieldDescriptor* field, google::protobuf::io::Printer& p) {
if (!IsSupported(field)) {
return;
}
p.Emit({{"Msg", msg_name},
{"field_name", field->name()},
{"data_type", RustTypeFromCppType(field->type())},
{"has_thunk", UpbThunkName(field, upb_msg_prefix, "_has_")},
{"getter_thunk", UpbThunkName(field, upb_msg_prefix, "_")},
{"setter_thunk", UpbThunkName(field, upb_msg_prefix, "_set_")},
{"clear_thunk", UpbThunkName(field, upb_msg_prefix, "_clear_")}},
R"rs(
impl $Msg$ {
pub fn $field_name$(&self) -> Option<$data_type$> {
let field_present = unsafe { $has_thunk$(self.msg) };
if !field_present {
return None;
}
let value = unsafe { $getter_thunk$(self.msg) };
Some(value)
}
pub fn $field_name$_set(&mut self, value: Option<$data_type$>) {
match value {
Some(value) => unsafe { $setter_thunk$(self.msg, value); },
None => unsafe { $clear_thunk$(self.msg); }
}
}
}
extern "C" {
fn $getter_thunk$(msg: ::__std::ptr::NonNull<u8>) -> $data_type$;
fn $has_thunk$(msg: ::__std::ptr::NonNull<u8>) -> bool;
fn $setter_thunk$(
msg: ::__std::ptr::NonNull<u8>,
value: $data_type$
);
fn $clear_thunk$(msg: ::__std::ptr::NonNull<u8>);
}
)rs");
}
void GenFieldAccessors(const Descriptor* msg_descriptor,
google::protobuf::io::Printer& p) {
auto upb_msg_prefix = UpbMsgPrefix(msg_descriptor);
for (int i = 0; i < msg_descriptor->field_count(); ++i) {
auto field = msg_descriptor->field(i);
switch (field->type()) {
case FieldDescriptor::Type::TYPE_INT64:
case FieldDescriptor::Type::TYPE_BOOL:
GenScalarAccessors(upb_msg_prefix, msg_descriptor->name(), field, p);
break;
default:
// Not implemented type.
break;
}
}
}
void GenMessageFunctions(const Descriptor* msg_descriptor,
google::protobuf::io::Printer& p) {
p.Emit({{"Msg", msg_descriptor->name()},
{"msg_prefix", UpbMsgPrefix(msg_descriptor)}},
R"rs(
impl $Msg$ {
pub fn new() -> Self {
let arena = unsafe { ::__pb::Arena::new() };
let msg = unsafe { $msg_prefix$_new(arena) };
$Msg$ { msg, arena }
}
pub fn serialize(&self) -> ::__pb::SerializedData {
let arena = unsafe { ::__pb::__runtime::upb_Arena_New() };
let mut len = 0;
let chars = unsafe { $msg_prefix$_serialize(self.msg, arena, &mut len) };
unsafe {::__pb::SerializedData::from_raw_parts(arena, chars, len)}
}
}
extern "C" {
fn $msg_prefix$_new(arena: *mut ::__pb::Arena) -> ::__std::ptr::NonNull<u8>;
fn $msg_prefix$_serialize(
msg: ::__std::ptr::NonNull<u8>,
arena: *mut ::__pb::Arena,
len: &mut usize) -> ::__std::ptr::NonNull<u8>;
}
)rs");
}
void UpbKernel::Generate(const FileDescriptor* file,
google::protobuf::io::Printer& p) const {
for (int i = 0; i < file->message_type_count(); ++i) {
auto msg_descriptor = file->message_type(i);
p.Emit({{"Msg", msg_descriptor->name()},
{
"MsgFunctions",
[&] { GenMessageFunctions(msg_descriptor, p); },
},
{
"FieldAccessors",
[&] { GenFieldAccessors(msg_descriptor, p); },
}},
R"rs(
pub struct $Msg$ {
msg: ::__std::ptr::NonNull<u8>,
arena: *mut ::__pb::Arena,
}
$MsgFunctions$;
$FieldAccessors$;
)rs");
}
}
} // namespace rust
} // namespace compiler
} // namespace protobuf
} // namespace google

56
src/google/protobuf/compiler/rust/upb_kernel.h
Unescape View File

@ -1,56 +0,0 @@
// Protocol Buffers - Google's data interchange format
// Copyright 2023 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef GOOGLE_PROTOBUF_COMPILER_RUST_UPB_KERNEL_H__
#define GOOGLE_PROTOBUF_COMPILER_RUST_UPB_KERNEL_H__
#include "google/protobuf/descriptor.h"
#include "google/protobuf/io/printer.h"
namespace google {
namespace protobuf {
namespace compiler {
namespace rust {
class UpbKernel {
public:
UpbKernel() = default;
UpbKernel(const UpbKernel&) = delete;
UpbKernel& operator=(const UpbKernel&) = delete;
void Generate(const FileDescriptor* file, google::protobuf::io::Printer& p) const;
};
} // namespace rust
} // namespace compiler
} // namespace protobuf
} // namespace google
#endif // GOOGLE_PROTOBUF_COMPILER_RUST_UPB_KERNEL_H__
Write Preview
Loading…
Cancel
Save