llvm-6502/tools/llvmc2/Plugin.cpp
2008-09-22 20:51:19 +00:00

65 lines
1.8 KiB
C++

//===--- Plugin.cpp - The LLVM Compiler Driver ------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open
// Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Plugin support for llvmc2.
//
//===----------------------------------------------------------------------===//
#include "llvm/CompilerDriver/Plugin.h"
#include <vector>
namespace {
// Registry::Add<> does not do lifetime management (probably issues
// with static constructor/destructor ordering), so we have to
// implement it here.
//
// All this static registration/life-before-main model seems
// unnecessary convoluted to me.
static bool pluginListInitialized = false;
typedef std::vector<const llvmc::BasePlugin*> PluginList;
static PluginList Plugins;
}
namespace llvmc {
PluginLoader::PluginLoader() {
if (!pluginListInitialized) {
for (PluginRegistry::iterator B = PluginRegistry::begin(),
E = PluginRegistry::end(); B != E; ++B)
Plugins.push_back(B->instantiate());
}
pluginListInitialized = true;
}
PluginLoader::~PluginLoader() {
if (pluginListInitialized) {
for (PluginList::iterator B = Plugins.begin(), E = Plugins.end();
B != E; ++B)
delete (*B);
}
pluginListInitialized = false;
}
void PluginLoader::PopulateLanguageMap(LanguageMap& langMap) {
for (PluginList::iterator B = Plugins.begin(), E = Plugins.end();
B != E; ++B)
(*B)->PopulateLanguageMap(langMap);
}
void PluginLoader::PopulateCompilationGraph(CompilationGraph& graph) {
for (PluginList::iterator B = Plugins.begin(), E = Plugins.end();
B != E; ++B)
(*B)->PopulateCompilationGraph(graph);
}
}