/* * Copyright 2012 The WebRTC Project Authors. All rights reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ // This file is a supermacro // (see http://wanderinghorse.net/computing/papers/supermacros_cpp.html) to // expand a definition of a late-binding symbol table class. // // Arguments: // LATE_BINDING_SYMBOL_TABLE_CLASS_NAME: Name of the class to generate. // LATE_BINDING_SYMBOL_TABLE_SYMBOLS_LIST: List of symbols to load from the DLL, // as an X-Macro list (see http://www.drdobbs.com/blogs/cpp/228700289). // LATE_BINDING_SYMBOL_TABLE_DLL_NAME: String literal for the DLL file name to // load. // // From a .cc file, include the header file containing your call to the .h.def // supermacro, and then call this supermacro (optionally from inside the // namespace for the class to generate, if any). Example: // // #include "myclassname.h" // // namespace foo { // // #define LATE_BINDING_SYMBOL_TABLE_CLASS_NAME MY_CLASS_NAME // #define LATE_BINDING_SYMBOL_TABLE_SYMBOLS_LIST MY_SYMBOLS_LIST // #define LATE_BINDING_SYMBOL_TABLE_DLL_NAME "libdll.so.n" // #include "webrtc/base/latebindingsymboltable.cc.def" // // } #ifndef LATE_BINDING_SYMBOL_TABLE_CLASS_NAME #error You must define LATE_BINDING_SYMBOL_TABLE_CLASS_NAME #endif #ifndef LATE_BINDING_SYMBOL_TABLE_SYMBOLS_LIST #error You must define LATE_BINDING_SYMBOL_TABLE_SYMBOLS_LIST #endif #ifndef LATE_BINDING_SYMBOL_TABLE_DLL_NAME #error You must define LATE_BINDING_SYMBOL_TABLE_DLL_NAME #endif #define X(sym) #sym, const char* const LATE_BINDING_SYMBOL_TABLE_CLASS_NAME::kSymbolNames[] = { LATE_BINDING_SYMBOL_TABLE_SYMBOLS_LIST }; #undef X const ::rtc::LateBindingSymbolTable::TableInfo LATE_BINDING_SYMBOL_TABLE_CLASS_NAME::kTableInfo = { LATE_BINDING_SYMBOL_TABLE_DLL_NAME, SYMBOL_TABLE_SIZE, LATE_BINDING_SYMBOL_TABLE_CLASS_NAME::kSymbolNames }; LATE_BINDING_SYMBOL_TABLE_CLASS_NAME::LATE_BINDING_SYMBOL_TABLE_CLASS_NAME() : ::rtc::LateBindingSymbolTable(&kTableInfo, table_) {} LATE_BINDING_SYMBOL_TABLE_CLASS_NAME::~LATE_BINDING_SYMBOL_TABLE_CLASS_NAME() {} #undef LATE_BINDING_SYMBOL_TABLE_CLASS_NAME #undef LATE_BINDING_SYMBOL_TABLE_SYMBOLS_LIST #undef LATE_BINDING_SYMBOL_TABLE_DLL_NAME