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//===-- PluginLoader.cpp - Implement -load command line option ------------===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the -load <plugin> command line option handler.
//
//===----------------------------------------------------------------------===//
#define DONT_GET_PLUGIN_LOADER_OPTION
#include "llvm/Support/PluginLoader.h"
#include "llvm/System/DynamicLibrary.h"
#include <iostream>
#include <vector>
using namespace llvm;
static std::vector<std::string>* plugins;
void PluginLoader::operator=(const std::string &Filename) {
std::string ErrorMessage;
if (!plugins)
plugins = new std::vector<std::string>();
try {
sys::DynamicLibrary::LoadLibraryPermanently(Filename.c_str());
plugins->push_back(Filename);
} catch (const std::string& errmsg) {
if (errmsg.empty()) {
ErrorMessage = "Unknown";
} else {
ErrorMessage = errmsg;
}
}
if (!ErrorMessage.empty())
std::cerr << "Error opening '" << Filename << "': " << ErrorMessage
<< "\n -load request ignored.\n";
}
unsigned PluginLoader::getNumPlugins()
{
if(plugins)
return plugins->size();
else
return 0;
}
std::string& PluginLoader::getPlugin(unsigned num)
{
assert(plugins && num < plugins->size() && "Asking for an out of bounds plugin");
return (*plugins)[num];
}
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