1 //===-- PluginLoader.cpp - Implement -load command line option ------------===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements the -load <plugin> command line option handler.
12 //===----------------------------------------------------------------------===//
14 #define DONT_GET_PLUGIN_LOADER_OPTION
15 #include "llvm/Support/PluginLoader.h"
16 #include "llvm/System/DynamicLibrary.h"
22 static std::vector<std::string>* plugins;
24 void PluginLoader::operator=(const std::string &Filename) {
25 std::string ErrorMessage;
28 plugins = new std::vector<std::string>();
31 sys::DynamicLibrary::LoadLibraryPermanently(Filename.c_str());
32 plugins->push_back(Filename);
33 } catch (const std::string& errmsg) {
35 ErrorMessage = "Unknown";
37 ErrorMessage = errmsg;
40 if (!ErrorMessage.empty())
41 std::cerr << "Error opening '" << Filename << "': " << ErrorMessage
42 << "\n -load request ignored.\n";
45 unsigned PluginLoader::getNumPlugins()
48 return plugins->size();
53 std::string& PluginLoader::getPlugin(unsigned num)
55 assert(plugins && num < plugins->size() && "Asking for an out of bounds plugin");
56 return (*plugins)[num];