llvm-6502/lib/Support/PluginLoader.cpp
2006-12-07 23:41:45 +00:00

45 lines
1.4 KiB
C++

//===-- 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/Support/Streams.h"
#include "llvm/System/DynamicLibrary.h"
#include <ostream>
#include <vector>
using namespace llvm;
static std::vector<std::string> *Plugins;
void PluginLoader::operator=(const std::string &Filename) {
if (!Plugins)
Plugins = new std::vector<std::string>();
std::string Error;
if (sys::DynamicLibrary::LoadLibraryPermanently(Filename.c_str(), &Error)) {
cerr << "Error opening '" << Filename << "': " << Error
<< "\n -load request ignored.\n";
} else {
Plugins->push_back(Filename);
}
}
unsigned PluginLoader::getNumPlugins() {
return Plugins ? Plugins->size() : 0;
}
std::string &PluginLoader::getPlugin(unsigned num) {
assert(Plugins && num < Plugins->size() && "Asking for an out of bounds plugin");
return (*Plugins)[num];
}