115 lines
3.3 KiB
C++
115 lines
3.3 KiB
C++
// Protocol Buffers - Google's data interchange format
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// Copyright 2023 Google LLC. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file or at
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// https://developers.google.com/open-source/licenses/bsd
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#ifndef UPB_GENERATOR_FILE_LAYOUT_H
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#define UPB_GENERATOR_FILE_LAYOUT_H
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#include <string>
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// begin:google_only
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// #ifndef UPB_BOOTSTRAP_STAGE0
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// #include "google/protobuf/descriptor.upb.h"
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// #else
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// #include "google/protobuf/descriptor.upb.h"
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// #endif
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// end:google_only
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// begin:github_only
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#include "google/protobuf/descriptor.upb.h"
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// end:github_only
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#include "absl/container/flat_hash_map.h"
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#include "upb/base/status.hpp"
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#include "upb/mini_descriptor/decode.h"
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#include "upb/reflection/def.h"
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#include "upb/reflection/def.hpp"
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// Must be last
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#include "upb/port/def.inc"
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namespace upb {
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namespace generator {
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enum WhichEnums {
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kAllEnums = 0,
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kClosedEnums = 1,
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};
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std::vector<upb::EnumDefPtr> SortedEnums(upb::FileDefPtr file,
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WhichEnums which);
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// Ordering must match upb/def.c!
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//
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// The ordering is significant because each upb_MessageDef* will point at the
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// corresponding upb_MiniTable and we just iterate through the list without
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// any search or lookup.
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std::vector<upb::MessageDefPtr> SortedMessages(upb::FileDefPtr file);
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// Ordering must match upb/def.c!
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//
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// The ordering is significant because each upb_FieldDef* will point at the
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// corresponding upb_MiniTableExtension and we just iterate through the list
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// without any search or lookup.
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std::vector<upb::FieldDefPtr> SortedExtensions(upb::FileDefPtr file);
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std::vector<upb::FieldDefPtr> FieldNumberOrder(upb::MessageDefPtr message);
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// DefPoolPair is a pair of DefPools: one for 32-bit and one for 64-bit.
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class DefPoolPair {
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public:
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DefPoolPair() {
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pool32_._SetPlatform(kUpb_MiniTablePlatform_32Bit);
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pool64_._SetPlatform(kUpb_MiniTablePlatform_64Bit);
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}
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upb::FileDefPtr AddFile(const UPB_DESC(FileDescriptorProto) * file_proto,
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upb::Status* status) {
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upb::FileDefPtr file32 = pool32_.AddFile(file_proto, status);
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upb::FileDefPtr file64 = pool64_.AddFile(file_proto, status);
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if (!file32) return file32;
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return file64;
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}
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const upb_MiniTable* GetMiniTable32(upb::MessageDefPtr m) const {
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return pool32_.FindMessageByName(m.full_name()).mini_table();
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}
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const upb_MiniTable* GetMiniTable64(upb::MessageDefPtr m) const {
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return pool64_.FindMessageByName(m.full_name()).mini_table();
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}
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const upb_MiniTableField* GetField32(upb::FieldDefPtr f) const {
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return GetFieldFromPool(&pool32_, f);
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}
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const upb_MiniTableField* GetField64(upb::FieldDefPtr f) const {
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return GetFieldFromPool(&pool64_, f);
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}
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private:
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static const upb_MiniTableField* GetFieldFromPool(const upb::DefPool* pool,
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upb::FieldDefPtr f) {
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if (f.is_extension()) {
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return pool->FindExtensionByName(f.full_name()).mini_table();
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} else {
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return pool->FindMessageByName(f.containing_type().full_name())
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.FindFieldByNumber(f.number())
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.mini_table();
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}
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}
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upb::DefPool pool32_;
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upb::DefPool pool64_;
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};
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} // namespace generator
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} // namespace upb
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#include "upb/port/undef.inc"
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#endif // UPB_GENERATOR_FILE_LAYOUT_H
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