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120 lines
4.3 KiB
120 lines
4.3 KiB
4 months ago
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/*
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* Copyright (C) 2018, The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <functional>
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#include <string>
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#include <type_traits>
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#include "aidl_language.h"
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// This is used to help generate code targetting C++ (the language) whether using the libbinder or
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// libbinder_ndk backend.
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namespace android {
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namespace aidl {
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namespace cpp {
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extern char kTransactionLogStruct[];
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// These roughly correspond to the various class names in the C++ hierarchy:
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enum class ClassNames {
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BASE, // Foo (not a real class, but useful in some circumstances).
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CLIENT, // BpFoo
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SERVER, // BnFoo
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INTERFACE, // IFoo
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DEFAULT_IMPL, // IFooDefault
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RAW, // (as shown in the file)
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};
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string ClassName(const AidlDefinedType& defined_type, ClassNames type);
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// Generate the relative path to a header file. If |use_os_sep| we'll use the
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// operating system specific path separator rather than C++'s expected '/' when
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// including headers.
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std::string HeaderFile(const AidlDefinedType& defined_type, ClassNames class_type,
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bool use_os_sep = true);
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void EnterNamespace(CodeWriter& out, const AidlDefinedType& defined_type);
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void LeaveNamespace(CodeWriter& out, const AidlDefinedType& defined_type);
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string BuildVarName(const AidlArgument& a);
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const string GenLogBeforeExecute(const string className, const AidlMethod& method, bool isServer,
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bool isNdk);
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const string GenLogAfterExecute(const string className, const AidlInterface& interface,
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const AidlMethod& method, const string& statusVarName,
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const string& returnVarName, bool isServer, bool isNdk);
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template <typename T, typename = std::enable_if_t<std::is_copy_constructible_v<T>>>
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std::vector<T> Append(std::vector<T> as, const std::vector<T>& bs) {
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as.insert(as.end(), bs.begin(), bs.end());
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return as;
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}
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template <typename T>
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std::vector<T> Append(std::vector<T>&& as, std::vector<T>&& bs) {
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std::vector<T> appended = std::move(as);
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std::copy(std::move_iterator(bs.begin()), std::move_iterator(bs.end()),
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std::back_inserter(appended));
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return appended;
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}
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std::string GenerateEnumValues(const AidlEnumDeclaration& enum_decl,
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const std::vector<std::string>& enclosing_namespaces_of_enum_decl);
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std::string TemplateDecl(const AidlParcelable& defined_type);
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void GenerateParcelableComparisonOperators(CodeWriter& out, const AidlParcelable& parcelable);
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void GenerateToString(CodeWriter& out, const AidlStructuredParcelable& parcelable);
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void GenerateToString(CodeWriter& out, const AidlUnionDecl& parcelable);
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std::string GetDeprecatedAttribute(const AidlCommentable& type);
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template <typename Stream>
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void GenerateDeprecated(Stream& out, const AidlCommentable& type) {
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if (auto deprecated = GetDeprecatedAttribute(type); !deprecated.empty()) {
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out << " " + deprecated;
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}
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}
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struct ParcelWriterContext {
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string status_type;
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string status_ok;
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string status_bad;
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std::function<void(CodeWriter& out, const std::string& var, const AidlTypeSpecifier& type)>
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read_func;
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std::function<void(CodeWriter& out, const std::string& value, const AidlTypeSpecifier& type)>
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write_func;
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};
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struct UnionWriter {
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const AidlUnionDecl& decl;
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const AidlTypenames& typenames;
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const std::function<std::string(const AidlTypeSpecifier&, const AidlTypenames&)> name_of;
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const ::ConstantValueDecorator& decorator;
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static const std::vector<std::string> headers;
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void PrivateFields(CodeWriter& out) const;
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void PublicFields(CodeWriter& out) const;
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void ReadFromParcel(CodeWriter& out, const ParcelWriterContext&) const;
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void WriteToParcel(CodeWriter& out, const ParcelWriterContext&) const;
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};
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} // namespace cpp
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} // namespace aidl
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} // namespace android
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