1fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Protocol Buffers - Google's data interchange format 2fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Copyright 2008 Google Inc. All rights reserved. 3fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// http://code.google.com/p/protobuf/ 4fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 5fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Redistribution and use in source and binary forms, with or without 6fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// modification, are permitted provided that the following conditions are 7fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// met: 8fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 9fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// * Redistributions of source code must retain the above copyright 10fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// notice, this list of conditions and the following disclaimer. 11fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// * Redistributions in binary form must reproduce the above 12fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// copyright notice, this list of conditions and the following disclaimer 13fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// in the documentation and/or other materials provided with the 14fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// distribution. 15fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// * Neither the name of Google Inc. nor the names of its 16fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// contributors may be used to endorse or promote products derived from 17fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// this software without specific prior written permission. 18fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 19fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 31fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Author: kenton@google.com (Kenton Varda) and others 32fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 33fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Contains basic types and utilities used by the rest of the library. 34fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 35fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#ifndef GOOGLE_PROTOBUF_COMMON_H__ 36fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_PROTOBUF_COMMON_H__ 37fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 38fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <assert.h> 39fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <stdlib.h> 40fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <cstddef> 41fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <string> 42fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <string.h> 43fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#if defined(__osf__) 44fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Tru64 lacks stdint.h, but has inttypes.h which defines a superset of 45fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// what stdint.h would define. 46fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <inttypes.h> 47fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#elif !defined(_MSC_VER) 48fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <stdint.h> 49fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif 50fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 51fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillenamespace std {} 52fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 53fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillenamespace google { 54fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillenamespace protobuf { 55fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 56fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleusing namespace std; // Don't do this at home, kids. 57fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 58fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#undef GOOGLE_DISALLOW_EVIL_CONSTRUCTORS 59fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(TypeName) \ 60fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville TypeName(const TypeName&); \ 61fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville void operator=(const TypeName&) 62fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 63fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#if defined(_MSC_VER) && defined(PROTOBUF_USE_DLLS) 64fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville #ifdef LIBPROTOBUF_EXPORTS 65fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville #define LIBPROTOBUF_EXPORT __declspec(dllexport) 66fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville #else 67fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville #define LIBPROTOBUF_EXPORT __declspec(dllimport) 68fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville #endif 69fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville #ifdef LIBPROTOC_EXPORTS 70fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville #define LIBPROTOC_EXPORT __declspec(dllexport) 71fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville #else 72fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville #define LIBPROTOC_EXPORT __declspec(dllimport) 73fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville #endif 74fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#else 75fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville #define LIBPROTOBUF_EXPORT 76fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville #define LIBPROTOC_EXPORT 77fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif 78fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 79fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillenamespace internal { 80fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 81fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Some of these constants are macros rather than const ints so that they can 82fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// be used in #if directives. 83fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 84fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// The current version, represented as a single integer to make comparison 85fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// easier: major * 10^6 + minor * 10^3 + micro 86d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#define GOOGLE_PROTOBUF_VERSION 2003000 87fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 88fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// The minimum library version which works with the current version of the 89fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// headers. 90d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#define GOOGLE_PROTOBUF_MIN_LIBRARY_VERSION 2003000 91fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 92fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// The minimum header version which works with the current version of 93fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// the library. This constant should only be used by protoc's C++ code 94fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// generator. 95d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Savillestatic const int kMinHeaderVersionForLibrary = 2003000; 96fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 97fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// The minimum protoc version which works with the current version of the 98fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// headers. 99d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#define GOOGLE_PROTOBUF_MIN_PROTOC_VERSION 2003000 100fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 101fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// The minimum header version which works with the current version of 102fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// protoc. This constant should only be used in VerifyVersion(). 103d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Savillestatic const int kMinHeaderVersionForProtoc = 2003000; 104fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 105fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Verifies that the headers and libraries are compatible. Use the macro 106fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// below to call this. 107fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillevoid LIBPROTOBUF_EXPORT VerifyVersion(int headerVersion, int minLibraryVersion, 108fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const char* filename); 109fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 110fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Converts a numeric version number to a string. 111fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillestring LIBPROTOBUF_EXPORT VersionString(int version); 112fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 113fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} // namespace internal 114fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 115fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Place this macro in your main() function (or somewhere before you attempt 116fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// to use the protobuf library) to verify that the version you link against 117fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// matches the headers you compiled against. If a version mismatch is 118fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// detected, the process will abort. 119fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_PROTOBUF_VERIFY_VERSION \ 120fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ::google::protobuf::internal::VerifyVersion( \ 121fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville GOOGLE_PROTOBUF_VERSION, GOOGLE_PROTOBUF_MIN_LIBRARY_VERSION, \ 122fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville __FILE__) 123fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 124fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// =================================================================== 125fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// from google3/base/port.h 126fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 127fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletypedef unsigned int uint; 128fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 129fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#ifdef _MSC_VER 130fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletypedef __int8 int8; 131fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletypedef __int16 int16; 132fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletypedef __int32 int32; 133fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletypedef __int64 int64; 134fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 135fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletypedef unsigned __int8 uint8; 136fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletypedef unsigned __int16 uint16; 137fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletypedef unsigned __int32 uint32; 138fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletypedef unsigned __int64 uint64; 139fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#else 140fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletypedef int8_t int8; 141fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletypedef int16_t int16; 142fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletypedef int32_t int32; 143fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletypedef int64_t int64; 144fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 145fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletypedef uint8_t uint8; 146fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletypedef uint16_t uint16; 147fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletypedef uint32_t uint32; 148fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletypedef uint64_t uint64; 149fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif 150fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 151fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// long long macros to be used because gcc and vc++ use different suffixes, 152fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// and different size specifiers in format strings 153fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#undef GOOGLE_LONGLONG 154fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#undef GOOGLE_ULONGLONG 155fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#undef GOOGLE_LL_FORMAT 156fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 157fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#ifdef _MSC_VER 158fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_LONGLONG(x) x##I64 159fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_ULONGLONG(x) x##UI64 160fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_LL_FORMAT "I64" // As in printf("%I64d", ...) 161fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#else 162fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_LONGLONG(x) x##LL 163fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_ULONGLONG(x) x##ULL 164fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_LL_FORMAT "ll" // As in "%lld". Note that "q" is poor form also. 165fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif 166fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 167fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillestatic const int32 kint32max = 0x7FFFFFFF; 168fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillestatic const int32 kint32min = -kint32max - 1; 169fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillestatic const int64 kint64max = GOOGLE_LONGLONG(0x7FFFFFFFFFFFFFFF); 170fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillestatic const int64 kint64min = -kint64max - 1; 171fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillestatic const uint32 kuint32max = 0xFFFFFFFFu; 172fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillestatic const uint64 kuint64max = GOOGLE_ULONGLONG(0xFFFFFFFFFFFFFFFF); 173fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 174d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville// ------------------------------------------------------------------- 175d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville// Annotations: Some parts of the code have been annotated in ways that might 176d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville// be useful to some compilers or tools, but are not supported universally. 177d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville// You can #define these annotations yourself if the default implementation 178d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville// is not right for you. 179d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville 180d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#ifndef GOOGLE_ATTRIBUTE_ALWAYS_INLINE 181fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#if defined(__GNUC__) && (__GNUC__ > 3 ||(__GNUC__ == 3 && __GNUC_MINOR__ >= 1)) 182fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// For functions we want to force inline. 183fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Introduced in gcc 3.1. 184fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_ATTRIBUTE_ALWAYS_INLINE __attribute__ ((always_inline)) 185fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#else 186fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Other compilers will have to figure it out for themselves. 187fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_ATTRIBUTE_ALWAYS_INLINE 188fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif 189d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#endif 190fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 191d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#ifndef GOOGLE_ATTRIBUTE_DEPRECATED 192fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#ifdef __GNUC__ 193fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// If the method/variable/type is used anywhere, produce a warning. 194fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_ATTRIBUTE_DEPRECATED __attribute__((deprecated)) 195fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#else 196fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_ATTRIBUTE_DEPRECATED 197fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif 198d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#endif 199d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville 200d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#ifndef GOOGLE_PREDICT_TRUE 201d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#ifdef __GNUC__ 202d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville// Provided at least since GCC 3.0. 203d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#define GOOGLE_PREDICT_TRUE(x) (__builtin_expect(!!(x), 1)) 204d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#else 205d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#define GOOGLE_PREDICT_TRUE 206d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#endif 207d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#endif 208d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville 209d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville// Delimits a block of code which may write to memory which is simultaneously 210d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville// written by other threads, but which has been determined to be thread-safe 211d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville// (e.g. because it is an idempotent write). 212d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#ifndef GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN 213d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#define GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN() 214d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#endif 215d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#ifndef GOOGLE_SAFE_CONCURRENT_WRITES_END 216d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#define GOOGLE_SAFE_CONCURRENT_WRITES_END() 217d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#endif 218fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 219fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// =================================================================== 220fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// from google3/base/basictypes.h 221fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 222fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// The GOOGLE_ARRAYSIZE(arr) macro returns the # of elements in an array arr. 223fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// The expression is a compile-time constant, and therefore can be 224fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// used in defining new arrays, for example. 225fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 226fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// GOOGLE_ARRAYSIZE catches a few type errors. If you see a compiler error 227fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 228fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// "warning: division by zero in ..." 229fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 230fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// when using GOOGLE_ARRAYSIZE, you are (wrongfully) giving it a pointer. 231fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// You should only use GOOGLE_ARRAYSIZE on statically allocated arrays. 232fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 233fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// The following comments are on the implementation details, and can 234fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// be ignored by the users. 235fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 236fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// ARRAYSIZE(arr) works by inspecting sizeof(arr) (the # of bytes in 237fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// the array) and sizeof(*(arr)) (the # of bytes in one array 238fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// element). If the former is divisible by the latter, perhaps arr is 239fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// indeed an array, in which case the division result is the # of 240fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// elements in the array. Otherwise, arr cannot possibly be an array, 241fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// and we generate a compiler error to prevent the code from 242fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// compiling. 243fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 244fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Since the size of bool is implementation-defined, we need to cast 245fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// !(sizeof(a) & sizeof(*(a))) to size_t in order to ensure the final 246fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// result has type size_t. 247fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 248fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// This macro is not perfect as it wrongfully accepts certain 249fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// pointers, namely where the pointer size is divisible by the pointee 250fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// size. Since all our code has to go through a 32-bit compiler, 251fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// where a pointer is 4 bytes, this means all pointers to a type whose 252fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// size is 3 or greater than 4 will be (righteously) rejected. 253fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 254fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Kudos to Jorg Brown for this simple and elegant implementation. 255fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 256fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#undef GOOGLE_ARRAYSIZE 257fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_ARRAYSIZE(a) \ 258fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ((sizeof(a) / sizeof(*(a))) / \ 259fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static_cast<size_t>(!(sizeof(a) % sizeof(*(a))))) 260fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 261fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillenamespace internal { 262fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 263fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Use implicit_cast as a safe version of static_cast or const_cast 264fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// for upcasting in the type hierarchy (i.e. casting a pointer to Foo 265fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// to a pointer to SuperclassOfFoo or casting a pointer to Foo to 266fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// a const pointer to Foo). 267fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// When you use implicit_cast, the compiler checks that the cast is safe. 268fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Such explicit implicit_casts are necessary in surprisingly many 269fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// situations where C++ demands an exact type match instead of an 270fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// argument type convertable to a target type. 271fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 272fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// The From type can be inferred, so the preferred syntax for using 273fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// implicit_cast is the same as for static_cast etc.: 274fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 275fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// implicit_cast<ToType>(expr) 276fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 277fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// implicit_cast would have been part of the C++ standard library, 278fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// but the proposal was submitted too late. It will probably make 279fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// its way into the language in the future. 280fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate<typename To, typename From> 281fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline To implicit_cast(From const &f) { 282fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return f; 283fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 284fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 285fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// When you upcast (that is, cast a pointer from type Foo to type 286fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// SuperclassOfFoo), it's fine to use implicit_cast<>, since upcasts 287fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// always succeed. When you downcast (that is, cast a pointer from 288fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// type Foo to type SubclassOfFoo), static_cast<> isn't safe, because 289fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// how do you know the pointer is really of type SubclassOfFoo? It 290fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// could be a bare Foo, or of type DifferentSubclassOfFoo. Thus, 291fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// when you downcast, you should use this macro. In debug mode, we 292fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// use dynamic_cast<> to double-check the downcast is legal (we die 293fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// if it's not). In normal mode, we do the efficient static_cast<> 294fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// instead. Thus, it's important to test in debug mode to make sure 295fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// the cast is legal! 296fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// This is the only place in the code we should use dynamic_cast<>. 297fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// In particular, you SHOULDN'T be using dynamic_cast<> in order to 298fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// do RTTI (eg code like this: 299fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// if (dynamic_cast<Subclass1>(foo)) HandleASubclass1Object(foo); 300fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// if (dynamic_cast<Subclass2>(foo)) HandleASubclass2Object(foo); 301fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// You should design the code some other way not to need this. 302fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 303fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate<typename To, typename From> // use like this: down_cast<T*>(foo); 304fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline To down_cast(From* f) { // so we only accept pointers 305fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Ensures that To is a sub-type of From *. This test is here only 306fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // for compile-time type checking, and has no overhead in an 307fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // optimized build at run-time, as it will be optimized away 308fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // completely. 309fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (false) { 310fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville implicit_cast<From*, To>(0); 311fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 312fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 313d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#if !defined(NDEBUG) && !defined(GOOGLE_PROTOBUF_NO_RTTI) 314fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville assert(f == NULL || dynamic_cast<To>(f) != NULL); // RTTI: debug mode only! 315d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#endif 316fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return static_cast<To>(f); 317fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 318fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 319fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} // namespace internal 320fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 321fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// We made these internal so that they would show up as such in the docs, 322fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// but we don't want to stick "internal::" in front of them everywhere. 323fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleusing internal::implicit_cast; 324fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleusing internal::down_cast; 325fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 326fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// The COMPILE_ASSERT macro can be used to verify that a compile time 327fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// expression is true. For example, you could use it to verify the 328fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// size of a static array: 329fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 330fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// COMPILE_ASSERT(ARRAYSIZE(content_type_names) == CONTENT_NUM_TYPES, 331fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// content_type_names_incorrect_size); 332fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 333fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// or to make sure a struct is smaller than a certain size: 334fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 335fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// COMPILE_ASSERT(sizeof(foo) < 128, foo_too_large); 336fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 337fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// The second argument to the macro is the name of the variable. If 338fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// the expression is false, most compilers will issue a warning/error 339fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// containing the name of the variable. 340fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 341fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillenamespace internal { 342fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 343fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <bool> 344fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillestruct CompileAssert { 345fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 346fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 347fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} // namespace internal 348fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 349fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#undef GOOGLE_COMPILE_ASSERT 350fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_COMPILE_ASSERT(expr, msg) \ 351fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville typedef ::google::protobuf::internal::CompileAssert<(bool(expr))> \ 352fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville msg[bool(expr) ? 1 : -1] 353fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 354fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Implementation details of COMPILE_ASSERT: 355fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 356fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// - COMPILE_ASSERT works by defining an array type that has -1 357fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// elements (and thus is invalid) when the expression is false. 358fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 359fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// - The simpler definition 360fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 361fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// #define COMPILE_ASSERT(expr, msg) typedef char msg[(expr) ? 1 : -1] 362fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 363fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// does not work, as gcc supports variable-length arrays whose sizes 364fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// are determined at run-time (this is gcc's extension and not part 365fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// of the C++ standard). As a result, gcc fails to reject the 366fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// following code with the simple definition: 367fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 368fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// int foo; 369fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// COMPILE_ASSERT(foo, msg); // not supposed to compile as foo is 370fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// // not a compile-time constant. 371fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 372fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// - By using the type CompileAssert<(bool(expr))>, we ensures that 373fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// expr is a compile-time constant. (Template arguments must be 374fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// determined at compile-time.) 375fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 376fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// - The outter parentheses in CompileAssert<(bool(expr))> are necessary 377fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// to work around a bug in gcc 3.4.4 and 4.0.1. If we had written 378fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 379fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// CompileAssert<bool(expr)> 380fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 381fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// instead, these compilers will refuse to compile 382fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 383fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// COMPILE_ASSERT(5 > 0, some_message); 384fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 385fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// (They seem to think the ">" in "5 > 0" marks the end of the 386fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// template argument list.) 387fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 388fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// - The array size is (bool(expr) ? 1 : -1), instead of simply 389fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 390fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// ((expr) ? 1 : -1). 391fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 392fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// This is to avoid running into a bug in MS VC 7.1, which 393fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// causes ((0.0) ? 1 : -1) to incorrectly evaluate to 1. 394fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 395fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// =================================================================== 396fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// from google3/base/scoped_ptr.h 397fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 398fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillenamespace internal { 399fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 400fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// This is an implementation designed to match the anticipated future TR2 401fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// implementation of the scoped_ptr class, and its closely-related brethren, 402fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// scoped_array, scoped_ptr_malloc, and make_scoped_ptr. 403fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 404fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <class C> class scoped_ptr; 405fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <class C> class scoped_array; 406fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 407fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// A scoped_ptr<T> is like a T*, except that the destructor of scoped_ptr<T> 408fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// automatically deletes the pointer it holds (if any). 409fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// That is, scoped_ptr<T> owns the T object that it points to. 410fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Like a T*, a scoped_ptr<T> may hold either NULL or a pointer to a T object. 411fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 412fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// The size of a scoped_ptr is small: 413fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// sizeof(scoped_ptr<C>) == sizeof(C*) 414fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <class C> 415fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass scoped_ptr { 416fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 417fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 418fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // The element type 419fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville typedef C element_type; 420fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 421fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Constructor. Defaults to intializing with NULL. 422fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // There is no way to create an uninitialized scoped_ptr. 423fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // The input parameter must be allocated with new. 424fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville explicit scoped_ptr(C* p = NULL) : ptr_(p) { } 425fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 426fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Destructor. If there is a C object, delete it. 427fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // We don't need to test ptr_ == NULL because C++ does that for us. 428fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ~scoped_ptr() { 429fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville enum { type_must_be_complete = sizeof(C) }; 430fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville delete ptr_; 431fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 432fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 433fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Reset. Deletes the current owned object, if any. 434fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Then takes ownership of a new object, if given. 435fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // this->reset(this->get()) works. 436fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville void reset(C* p = NULL) { 437fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (p != ptr_) { 438fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville enum { type_must_be_complete = sizeof(C) }; 439fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville delete ptr_; 440fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ptr_ = p; 441fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 442fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 443fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 444fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Accessors to get the owned object. 445fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // operator* and operator-> will assert() if there is no current object. 446fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville C& operator*() const { 447fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville assert(ptr_ != NULL); 448fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return *ptr_; 449fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 450fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville C* operator->() const { 451fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville assert(ptr_ != NULL); 452fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return ptr_; 453fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 454fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville C* get() const { return ptr_; } 455fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 456fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Comparison operators. 457fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // These return whether two scoped_ptr refer to the same object, not just to 458fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // two different but equal objects. 459fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville bool operator==(C* p) const { return ptr_ == p; } 460fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville bool operator!=(C* p) const { return ptr_ != p; } 461fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 462fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Swap two scoped pointers. 463fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville void swap(scoped_ptr& p2) { 464fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville C* tmp = ptr_; 465fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ptr_ = p2.ptr_; 466fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville p2.ptr_ = tmp; 467fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 468fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 469fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Release a pointer. 470fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // The return value is the current pointer held by this object. 471fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // If this object holds a NULL pointer, the return value is NULL. 472fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // After this operation, this object will hold a NULL pointer, 473fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // and will not own the object any more. 474fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville C* release() { 475fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville C* retVal = ptr_; 476fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ptr_ = NULL; 477fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return retVal; 478fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 479fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 480fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville private: 481fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville C* ptr_; 482fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 483fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Forbid comparison of scoped_ptr types. If C2 != C, it totally doesn't 484fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // make sense, and if C2 == C, it still doesn't make sense because you should 485fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // never have the same object owned by two different scoped_ptrs. 486fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville template <class C2> bool operator==(scoped_ptr<C2> const& p2) const; 487fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville template <class C2> bool operator!=(scoped_ptr<C2> const& p2) const; 488fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 489fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Disallow evil constructors 490fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville scoped_ptr(const scoped_ptr&); 491fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville void operator=(const scoped_ptr&); 492fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 493fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 494fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// scoped_array<C> is like scoped_ptr<C>, except that the caller must allocate 495fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// with new [] and the destructor deletes objects with delete []. 496fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 497fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// As with scoped_ptr<C>, a scoped_array<C> either points to an object 498fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// or is NULL. A scoped_array<C> owns the object that it points to. 499fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 500fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Size: sizeof(scoped_array<C>) == sizeof(C*) 501fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <class C> 502fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass scoped_array { 503fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 504fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 505fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // The element type 506fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville typedef C element_type; 507fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 508fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Constructor. Defaults to intializing with NULL. 509fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // There is no way to create an uninitialized scoped_array. 510fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // The input parameter must be allocated with new []. 511fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville explicit scoped_array(C* p = NULL) : array_(p) { } 512fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 513fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Destructor. If there is a C object, delete it. 514fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // We don't need to test ptr_ == NULL because C++ does that for us. 515fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ~scoped_array() { 516fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville enum { type_must_be_complete = sizeof(C) }; 517fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville delete[] array_; 518fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 519fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 520fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Reset. Deletes the current owned object, if any. 521fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Then takes ownership of a new object, if given. 522fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // this->reset(this->get()) works. 523fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville void reset(C* p = NULL) { 524fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (p != array_) { 525fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville enum { type_must_be_complete = sizeof(C) }; 526fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville delete[] array_; 527fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville array_ = p; 528fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 529fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 530fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 531fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Get one element of the current object. 532fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Will assert() if there is no current object, or index i is negative. 533fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville C& operator[](std::ptrdiff_t i) const { 534fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville assert(i >= 0); 535fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville assert(array_ != NULL); 536fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return array_[i]; 537fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 538fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 539fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Get a pointer to the zeroth element of the current object. 540fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // If there is no current object, return NULL. 541fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville C* get() const { 542fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return array_; 543fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 544fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 545fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Comparison operators. 546fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // These return whether two scoped_array refer to the same object, not just to 547fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // two different but equal objects. 548fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville bool operator==(C* p) const { return array_ == p; } 549fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville bool operator!=(C* p) const { return array_ != p; } 550fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 551fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Swap two scoped arrays. 552fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville void swap(scoped_array& p2) { 553fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville C* tmp = array_; 554fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville array_ = p2.array_; 555fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville p2.array_ = tmp; 556fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 557fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 558fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Release an array. 559fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // The return value is the current pointer held by this object. 560fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // If this object holds a NULL pointer, the return value is NULL. 561fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // After this operation, this object will hold a NULL pointer, 562fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // and will not own the object any more. 563fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville C* release() { 564fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville C* retVal = array_; 565fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville array_ = NULL; 566fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return retVal; 567fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 568fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 569fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville private: 570fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville C* array_; 571fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 572fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Forbid comparison of different scoped_array types. 573fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville template <class C2> bool operator==(scoped_array<C2> const& p2) const; 574fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville template <class C2> bool operator!=(scoped_array<C2> const& p2) const; 575fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 576fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Disallow evil constructors 577fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville scoped_array(const scoped_array&); 578fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville void operator=(const scoped_array&); 579fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 580fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 581fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} // namespace internal 582fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 583fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// We made these internal so that they would show up as such in the docs, 584fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// but we don't want to stick "internal::" in front of them everywhere. 585fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleusing internal::scoped_ptr; 586fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleusing internal::scoped_array; 587fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 588fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// =================================================================== 589fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// emulates google3/base/logging.h 590fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 591fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleenum LogLevel { 592fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville LOGLEVEL_INFO, // Informational. This is never actually used by 593fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // libprotobuf. 594fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville LOGLEVEL_WARNING, // Warns about issues that, although not technically a 595fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // problem now, could cause problems in the future. For 596fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // example, a // warning will be printed when parsing a 597fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // message that is near the message size limit. 598fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville LOGLEVEL_ERROR, // An error occurred which should never happen during 599fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // normal use. 600fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville LOGLEVEL_FATAL, // An error occurred from which the library cannot 601fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // recover. This usually indicates a programming error 602fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // in the code which calls the library, especially when 603fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // compiled in debug mode. 604fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 605fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#ifdef NDEBUG 606fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville LOGLEVEL_DFATAL = LOGLEVEL_ERROR 607fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#else 608fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville LOGLEVEL_DFATAL = LOGLEVEL_FATAL 609fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif 610fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 611fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 612fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillenamespace internal { 613fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 614fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass LogFinisher; 615fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 616fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass LIBPROTOBUF_EXPORT LogMessage { 617fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 618fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville LogMessage(LogLevel level, const char* filename, int line); 619fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ~LogMessage(); 620fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 621fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville LogMessage& operator<<(const string& value); 622fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville LogMessage& operator<<(const char* value); 623fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville LogMessage& operator<<(char value); 624fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville LogMessage& operator<<(int value); 625fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville LogMessage& operator<<(uint value); 626fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville LogMessage& operator<<(long value); 627fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville LogMessage& operator<<(unsigned long value); 628fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville LogMessage& operator<<(double value); 629fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 630fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville private: 631fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville friend class LogFinisher; 632fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville void Finish(); 633fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 634fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville LogLevel level_; 635fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const char* filename_; 636fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville int line_; 637fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville string message_; 638fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 639fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 640fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Used to make the entire "LOG(BLAH) << etc." expression have a void return 641fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// type and print a newline after each message. 642fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass LIBPROTOBUF_EXPORT LogFinisher { 643fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 644fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville void operator=(LogMessage& other); 645fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 646fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 647fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} // namespace internal 648fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 649fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Undef everything in case we're being mixed with some other Google library 650fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// which already defined them itself. Presumably all Google libraries will 651fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// support the same syntax for these so it should not be a big deal if they 652fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// end up using our definitions instead. 653fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#undef GOOGLE_LOG 654fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#undef GOOGLE_LOG_IF 655fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 656fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#undef GOOGLE_CHECK 657fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#undef GOOGLE_CHECK_EQ 658fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#undef GOOGLE_CHECK_NE 659fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#undef GOOGLE_CHECK_LT 660fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#undef GOOGLE_CHECK_LE 661fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#undef GOOGLE_CHECK_GT 662fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#undef GOOGLE_CHECK_GE 663fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 664fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#undef GOOGLE_DLOG 665fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#undef GOOGLE_DCHECK 666fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#undef GOOGLE_DCHECK_EQ 667fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#undef GOOGLE_DCHECK_NE 668fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#undef GOOGLE_DCHECK_LT 669fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#undef GOOGLE_DCHECK_LE 670fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#undef GOOGLE_DCHECK_GT 671fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#undef GOOGLE_DCHECK_GE 672fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 673fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_LOG(LEVEL) \ 674fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ::google::protobuf::internal::LogFinisher() = \ 675fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ::google::protobuf::internal::LogMessage( \ 676fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ::google::protobuf::LOGLEVEL_##LEVEL, __FILE__, __LINE__) 677fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_LOG_IF(LEVEL, CONDITION) \ 678fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville !(CONDITION) ? (void)0 : GOOGLE_LOG(LEVEL) 679fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 680fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_CHECK(EXPRESSION) \ 681fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville GOOGLE_LOG_IF(FATAL, !(EXPRESSION)) << "CHECK failed: " #EXPRESSION ": " 682fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_CHECK_EQ(A, B) GOOGLE_CHECK((A) == (B)) 683fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_CHECK_NE(A, B) GOOGLE_CHECK((A) != (B)) 684fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_CHECK_LT(A, B) GOOGLE_CHECK((A) < (B)) 685fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_CHECK_LE(A, B) GOOGLE_CHECK((A) <= (B)) 686fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_CHECK_GT(A, B) GOOGLE_CHECK((A) > (B)) 687fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_CHECK_GE(A, B) GOOGLE_CHECK((A) >= (B)) 688fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 689fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#ifdef NDEBUG 690fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 691fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_DLOG GOOGLE_LOG_IF(INFO, false) 692fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 693fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_DCHECK(EXPRESSION) while(false) GOOGLE_CHECK(EXPRESSION) 694fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_DCHECK_EQ(A, B) GOOGLE_DCHECK((A) == (B)) 695fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_DCHECK_NE(A, B) GOOGLE_DCHECK((A) != (B)) 696fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_DCHECK_LT(A, B) GOOGLE_DCHECK((A) < (B)) 697fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_DCHECK_LE(A, B) GOOGLE_DCHECK((A) <= (B)) 698fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_DCHECK_GT(A, B) GOOGLE_DCHECK((A) > (B)) 699fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_DCHECK_GE(A, B) GOOGLE_DCHECK((A) >= (B)) 700fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 701fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#else // NDEBUG 702fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 703fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_DLOG GOOGLE_LOG 704fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 705fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_DCHECK GOOGLE_CHECK 706fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_DCHECK_EQ GOOGLE_CHECK_EQ 707fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_DCHECK_NE GOOGLE_CHECK_NE 708fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_DCHECK_LT GOOGLE_CHECK_LT 709fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_DCHECK_LE GOOGLE_CHECK_LE 710fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_DCHECK_GT GOOGLE_CHECK_GT 711fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_DCHECK_GE GOOGLE_CHECK_GE 712fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 713fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif // !NDEBUG 714fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 715fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletypedef void LogHandler(LogLevel level, const char* filename, int line, 716fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const string& message); 717fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 718fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// The protobuf library sometimes writes warning and error messages to 719fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// stderr. These messages are primarily useful for developers, but may 720fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// also help end users figure out a problem. If you would prefer that 721fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// these messages be sent somewhere other than stderr, call SetLogHandler() 722fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// to set your own handler. This returns the old handler. Set the handler 723fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// to NULL to ignore log messages (but see also LogSilencer, below). 724fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 725fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Obviously, SetLogHandler is not thread-safe. You should only call it 726fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// at initialization time, and probably not from library code. If you 727fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// simply want to suppress log messages temporarily (e.g. because you 728fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// have some code that tends to trigger them frequently and you know 729fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// the warnings are not important to you), use the LogSilencer class 730fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// below. 731fbaaef999ba563838ebd00874ed8a1c01fbf286dWink SavilleLIBPROTOBUF_EXPORT LogHandler* SetLogHandler(LogHandler* new_func); 732fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 733fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Create a LogSilencer if you want to temporarily suppress all log 734fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// messages. As long as any LogSilencer objects exist, non-fatal 735fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// log messages will be discarded (the current LogHandler will *not* 736fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// be called). Constructing a LogSilencer is thread-safe. You may 737fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// accidentally suppress log messages occurring in another thread, but 738fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// since messages are generally for debugging purposes only, this isn't 739fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// a big deal. If you want to intercept log messages, use SetLogHandler(). 740fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass LIBPROTOBUF_EXPORT LogSilencer { 741fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 742fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville LogSilencer(); 743fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ~LogSilencer(); 744fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 745fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 746fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// =================================================================== 747fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// emulates google3/base/callback.h 748fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 749fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Abstract interface for a callback. When calling an RPC, you must provide 750fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// a Closure to call when the procedure completes. See the Service interface 751fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// in service.h. 752fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 753fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// To automatically construct a Closure which calls a particular function or 754fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// method with a particular set of parameters, use the NewCallback() function. 755fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Example: 756fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// void FooDone(const FooResponse* response) { 757fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// ... 758fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// } 759fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 760fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// void CallFoo() { 761fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// ... 762fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// // When done, call FooDone() and pass it a pointer to the response. 763fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Closure* callback = NewCallback(&FooDone, response); 764fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// // Make the call. 765fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// service->Foo(controller, request, response, callback); 766fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// } 767fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 768fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Example that calls a method: 769fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// class Handler { 770fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// public: 771fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// ... 772fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 773fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// void FooDone(const FooResponse* response) { 774fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// ... 775fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// } 776fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 777fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// void CallFoo() { 778fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// ... 779fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// // When done, call FooDone() and pass it a pointer to the response. 780fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Closure* callback = NewCallback(this, &Handler::FooDone, response); 781fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// // Make the call. 782fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// service->Foo(controller, request, response, callback); 783fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// } 784fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// }; 785fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 786fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Currently NewCallback() supports binding zero, one, or two arguments. 787fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 788fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Callbacks created with NewCallback() automatically delete themselves when 789fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// executed. They should be used when a callback is to be called exactly 790fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// once (usually the case with RPC callbacks). If a callback may be called 791fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// a different number of times (including zero), create it with 792fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// NewPermanentCallback() instead. You are then responsible for deleting the 793fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// callback (using the "delete" keyword as normal). 794fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 795fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Note that NewCallback() is a bit touchy regarding argument types. Generally, 796fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// the values you provide for the parameter bindings must exactly match the 797fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// types accepted by the callback function. For example: 798fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// void Foo(string s); 799fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// NewCallback(&Foo, "foo"); // WON'T WORK: const char* != string 800fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// NewCallback(&Foo, string("foo")); // WORKS 801fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Also note that the arguments cannot be references: 802fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// void Foo(const string& s); 803fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// string my_str; 804fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// NewCallback(&Foo, my_str); // WON'T WORK: Can't use referecnes. 805fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// However, correctly-typed pointers will work just fine. 806fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass LIBPROTOBUF_EXPORT Closure { 807fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 808fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Closure() {} 809fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville virtual ~Closure(); 810fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 811fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville virtual void Run() = 0; 812fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 813fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville private: 814fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(Closure); 815fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 816fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 817fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillenamespace internal { 818fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 819fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass LIBPROTOBUF_EXPORT FunctionClosure0 : public Closure { 820fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 821fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville typedef void (*FunctionType)(); 822fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 823fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville FunctionClosure0(FunctionType function, bool self_deleting) 824fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville : function_(function), self_deleting_(self_deleting) {} 825fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ~FunctionClosure0(); 826fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 827fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville void Run() { 828fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville function_(); 829fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (self_deleting_) delete this; 830fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 831fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 832fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville private: 833fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville FunctionType function_; 834fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville bool self_deleting_; 835fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 836fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 837fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <typename Class> 838fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass MethodClosure0 : public Closure { 839fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 840fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville typedef void (Class::*MethodType)(); 841fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 842fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville MethodClosure0(Class* object, MethodType method, bool self_deleting) 843fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville : object_(object), method_(method), self_deleting_(self_deleting) {} 844fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ~MethodClosure0() {} 845fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 846fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville void Run() { 847fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville (object_->*method_)(); 848fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (self_deleting_) delete this; 849fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 850fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 851fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville private: 852fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Class* object_; 853fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville MethodType method_; 854fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville bool self_deleting_; 855fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 856fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 857fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <typename Arg1> 858fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass FunctionClosure1 : public Closure { 859fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 860fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville typedef void (*FunctionType)(Arg1 arg1); 861fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 862fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville FunctionClosure1(FunctionType function, bool self_deleting, 863fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Arg1 arg1) 864fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville : function_(function), self_deleting_(self_deleting), 865fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville arg1_(arg1) {} 866fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ~FunctionClosure1() {} 867fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 868fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville void Run() { 869fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville function_(arg1_); 870fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (self_deleting_) delete this; 871fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 872fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 873fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville private: 874fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville FunctionType function_; 875fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville bool self_deleting_; 876fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Arg1 arg1_; 877fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 878fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 879fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <typename Class, typename Arg1> 880fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass MethodClosure1 : public Closure { 881fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 882fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville typedef void (Class::*MethodType)(Arg1 arg1); 883fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 884fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville MethodClosure1(Class* object, MethodType method, bool self_deleting, 885fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Arg1 arg1) 886fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville : object_(object), method_(method), self_deleting_(self_deleting), 887fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville arg1_(arg1) {} 888fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ~MethodClosure1() {} 889fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 890fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville void Run() { 891fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville (object_->*method_)(arg1_); 892fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (self_deleting_) delete this; 893fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 894fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 895fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville private: 896fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Class* object_; 897fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville MethodType method_; 898fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville bool self_deleting_; 899fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Arg1 arg1_; 900fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 901fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 902fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <typename Arg1, typename Arg2> 903fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass FunctionClosure2 : public Closure { 904fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 905fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville typedef void (*FunctionType)(Arg1 arg1, Arg2 arg2); 906fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 907fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville FunctionClosure2(FunctionType function, bool self_deleting, 908fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Arg1 arg1, Arg2 arg2) 909fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville : function_(function), self_deleting_(self_deleting), 910fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville arg1_(arg1), arg2_(arg2) {} 911fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ~FunctionClosure2() {} 912fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 913fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville void Run() { 914fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville function_(arg1_, arg2_); 915fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (self_deleting_) delete this; 916fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 917fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 918fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville private: 919fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville FunctionType function_; 920fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville bool self_deleting_; 921fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Arg1 arg1_; 922fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Arg2 arg2_; 923fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 924fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 925fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <typename Class, typename Arg1, typename Arg2> 926fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass MethodClosure2 : public Closure { 927fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 928fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville typedef void (Class::*MethodType)(Arg1 arg1, Arg2 arg2); 929fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 930fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville MethodClosure2(Class* object, MethodType method, bool self_deleting, 931fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Arg1 arg1, Arg2 arg2) 932fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville : object_(object), method_(method), self_deleting_(self_deleting), 933fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville arg1_(arg1), arg2_(arg2) {} 934fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ~MethodClosure2() {} 935fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 936fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville void Run() { 937fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville (object_->*method_)(arg1_, arg2_); 938fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (self_deleting_) delete this; 939fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 940fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 941fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville private: 942fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Class* object_; 943fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville MethodType method_; 944fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville bool self_deleting_; 945fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Arg1 arg1_; 946fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Arg2 arg2_; 947fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 948fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 949fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} // namespace internal 950fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 951fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// See Closure. 952fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline Closure* NewCallback(void (*function)()) { 953fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return new internal::FunctionClosure0(function, true); 954fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 955fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 956fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// See Closure. 957fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline Closure* NewPermanentCallback(void (*function)()) { 958fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return new internal::FunctionClosure0(function, false); 959fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 960fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 961fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// See Closure. 962fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <typename Class> 963fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline Closure* NewCallback(Class* object, void (Class::*method)()) { 964fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return new internal::MethodClosure0<Class>(object, method, true); 965fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 966fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 967fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// See Closure. 968fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <typename Class> 969fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline Closure* NewPermanentCallback(Class* object, void (Class::*method)()) { 970fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return new internal::MethodClosure0<Class>(object, method, false); 971fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 972fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 973fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// See Closure. 974fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <typename Arg1> 975fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline Closure* NewCallback(void (*function)(Arg1), 976fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Arg1 arg1) { 977fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return new internal::FunctionClosure1<Arg1>(function, true, arg1); 978fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 979fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 980fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// See Closure. 981fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <typename Arg1> 982fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline Closure* NewPermanentCallback(void (*function)(Arg1), 983fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Arg1 arg1) { 984fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return new internal::FunctionClosure1<Arg1>(function, false, arg1); 985fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 986fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 987fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// See Closure. 988fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <typename Class, typename Arg1> 989fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline Closure* NewCallback(Class* object, void (Class::*method)(Arg1), 990fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Arg1 arg1) { 991fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return new internal::MethodClosure1<Class, Arg1>(object, method, true, arg1); 992fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 993fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 994fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// See Closure. 995fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <typename Class, typename Arg1> 996fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline Closure* NewPermanentCallback(Class* object, void (Class::*method)(Arg1), 997fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Arg1 arg1) { 998fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return new internal::MethodClosure1<Class, Arg1>(object, method, false, arg1); 999fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 1000fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1001fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// See Closure. 1002fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <typename Arg1, typename Arg2> 1003fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline Closure* NewCallback(void (*function)(Arg1, Arg2), 1004fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Arg1 arg1, Arg2 arg2) { 1005fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return new internal::FunctionClosure2<Arg1, Arg2>( 1006fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville function, true, arg1, arg2); 1007fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 1008fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1009fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// See Closure. 1010fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <typename Arg1, typename Arg2> 1011fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline Closure* NewPermanentCallback(void (*function)(Arg1, Arg2), 1012fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Arg1 arg1, Arg2 arg2) { 1013fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return new internal::FunctionClosure2<Arg1, Arg2>( 1014fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville function, false, arg1, arg2); 1015fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 1016fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1017fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// See Closure. 1018fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <typename Class, typename Arg1, typename Arg2> 1019fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline Closure* NewCallback(Class* object, void (Class::*method)(Arg1, Arg2), 1020fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Arg1 arg1, Arg2 arg2) { 1021fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return new internal::MethodClosure2<Class, Arg1, Arg2>( 1022fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville object, method, true, arg1, arg2); 1023fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 1024fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1025fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// See Closure. 1026fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <typename Class, typename Arg1, typename Arg2> 1027fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline Closure* NewPermanentCallback( 1028fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Class* object, void (Class::*method)(Arg1, Arg2), 1029fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Arg1 arg1, Arg2 arg2) { 1030fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return new internal::MethodClosure2<Class, Arg1, Arg2>( 1031fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville object, method, false, arg1, arg2); 1032fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 1033fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1034fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// A function which does nothing. Useful for creating no-op callbacks, e.g.: 1035fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Closure* nothing = NewCallback(&DoNothing); 1036fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillevoid LIBPROTOBUF_EXPORT DoNothing(); 1037fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1038fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// =================================================================== 1039fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// emulates google3/base/mutex.h 1040fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1041fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillenamespace internal { 1042fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1043fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// A Mutex is a non-reentrant (aka non-recursive) mutex. At most one thread T 1044fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// may hold a mutex at a given time. If T attempts to Lock() the same Mutex 1045fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// while holding it, T will deadlock. 1046fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass LIBPROTOBUF_EXPORT Mutex { 1047fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 1048fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Create a Mutex that is not held by anybody. 1049fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Mutex(); 1050fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1051fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Destructor 1052fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ~Mutex(); 1053fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1054fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Block if necessary until this Mutex is free, then acquire it exclusively. 1055fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville void Lock(); 1056fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1057fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Release this Mutex. Caller must hold it exclusively. 1058fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville void Unlock(); 1059fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1060fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Crash if this Mutex is not held exclusively by this thread. 1061fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // May fail to crash when it should; will never crash when it should not. 1062fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville void AssertHeld(); 1063fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1064fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville private: 1065fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville struct Internal; 1066fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Internal* mInternal; 1067fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1068fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(Mutex); 1069fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 1070fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1071fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// MutexLock(mu) acquires mu when constructed and releases it when destroyed. 1072fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass LIBPROTOBUF_EXPORT MutexLock { 1073fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 1074fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville explicit MutexLock(Mutex *mu) : mu_(mu) { this->mu_->Lock(); } 1075fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ~MutexLock() { this->mu_->Unlock(); } 1076fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville private: 1077fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Mutex *const mu_; 1078fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(MutexLock); 1079fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 1080fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1081fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// TODO(kenton): Implement these? Hard to implement portably. 1082fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletypedef MutexLock ReaderMutexLock; 1083fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletypedef MutexLock WriterMutexLock; 1084fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1085fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// MutexLockMaybe is like MutexLock, but is a no-op when mu is NULL. 1086fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass LIBPROTOBUF_EXPORT MutexLockMaybe { 1087fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 1088fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville explicit MutexLockMaybe(Mutex *mu) : 1089fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville mu_(mu) { if (this->mu_ != NULL) { this->mu_->Lock(); } } 1090fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ~MutexLockMaybe() { if (this->mu_ != NULL) { this->mu_->Unlock(); } } 1091fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville private: 1092fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Mutex *const mu_; 1093fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(MutexLockMaybe); 1094fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 1095fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1096fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} // namespace internal 1097fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1098fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// We made these internal so that they would show up as such in the docs, 1099fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// but we don't want to stick "internal::" in front of them everywhere. 1100fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleusing internal::Mutex; 1101fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleusing internal::MutexLock; 1102fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleusing internal::ReaderMutexLock; 1103fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleusing internal::WriterMutexLock; 1104fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleusing internal::MutexLockMaybe; 1105fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1106fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// =================================================================== 1107fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// from google3/base/type_traits.h 1108fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1109fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillenamespace internal { 1110fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1111fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Specified by TR1 [4.7.4] Pointer modifications. 1112fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate<typename T> struct remove_pointer { typedef T type; }; 1113fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate<typename T> struct remove_pointer<T*> { typedef T type; }; 1114fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate<typename T> struct remove_pointer<T* const> { typedef T type; }; 1115fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate<typename T> struct remove_pointer<T* volatile> { typedef T type; }; 1116fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate<typename T> struct remove_pointer<T* const volatile> { 1117fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville typedef T type; }; 1118fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1119fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// =================================================================== 1120fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1121fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Checks if the buffer contains structurally-valid UTF-8. Implemented in 1122fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// structurally_valid.cc. 1123fbaaef999ba563838ebd00874ed8a1c01fbf286dWink SavilleLIBPROTOBUF_EXPORT bool IsStructurallyValidUTF8(const char* buf, int len); 1124fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1125fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} // namespace internal 1126fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1127fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// =================================================================== 1128fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Shutdown support. 1129fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1130fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Shut down the entire protocol buffers library, deleting all static-duration 1131fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// objects allocated by the library or by generated .pb.cc files. 1132fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 1133fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// There are two reasons you might want to call this: 1134fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// * You use a draconian definition of "memory leak" in which you expect 1135fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// every single malloc() to have a corresponding free(), even for objects 1136fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// which live until program exit. 1137fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// * You are writing a dynamically-loaded library which needs to clean up 1138fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// after itself when the library is unloaded. 1139fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 1140fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// It is safe to call this multiple times. However, it is not safe to use 1141fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// any other part of the protocol buffers library after 1142fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// ShutdownProtobufLibrary() has been called. 1143fbaaef999ba563838ebd00874ed8a1c01fbf286dWink SavilleLIBPROTOBUF_EXPORT void ShutdownProtobufLibrary(); 1144fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1145fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillenamespace internal { 1146fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1147fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Register a function to be called when ShutdownProtocolBuffers() is called. 1148fbaaef999ba563838ebd00874ed8a1c01fbf286dWink SavilleLIBPROTOBUF_EXPORT void OnShutdown(void (*func)()); 1149fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1150fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} // namespace internal 1151fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1152fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} // namespace protobuf 1153fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} // namespace google 1154fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 1155fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif // GOOGLE_PROTOBUF_COMMON_H__ 1156