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//===- lib/Linker/Linker.cpp - Basic Linker functionality ----------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains basic Linker functionality that all usages will need.
//
//===----------------------------------------------------------------------===//
#include "llvm/Linker.h"
#include "llvm/Bitcode/ReaderWriter.h"
#include "llvm/IR/Module.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/system_error.h"
using namespace llvm;
Linker::Linker(StringRef progname, StringRef modname,
LLVMContext& C, unsigned flags):
Context(C),
Composite(new Module(modname, C)),
LibPaths(),
Flags(flags),
Error(),
ProgramName(progname) { }
Linker::Linker(StringRef progname, Module* aModule, unsigned flags) :
Context(aModule->getContext()),
Composite(aModule),
LibPaths(),
Flags(flags),
Error(),
ProgramName(progname) { }
Linker::~Linker() {
delete Composite;
}
bool
Linker::error(StringRef message) {
Error = message;
if (!(Flags&QuietErrors))
errs() << ProgramName << ": error: " << message << "\n";
return true;
}
bool
Linker::warning(StringRef message) {
Error = message;
if (!(Flags&QuietWarnings))
errs() << ProgramName << ": warning: " << message << "\n";
return false;
}
void
Linker::verbose(StringRef message) {
if (Flags&Verbose)
errs() << " " << message << "\n";
}
void
Linker::addPath(const sys::Path& path) {
LibPaths.push_back(path);
}
void
Linker::addPaths(const std::vector<std::string>& paths) {
for (unsigned i = 0, e = paths.size(); i != e; ++i)
LibPaths.push_back(sys::Path(paths[i]));
}
void
Linker::addSystemPaths() {
sys::Path::GetBitcodeLibraryPaths(LibPaths);
LibPaths.insert(LibPaths.begin(),sys::Path("./"));
}
Module*
Linker::releaseModule() {
Module* result = Composite;
LibPaths.clear();
Error.clear();
Composite = 0;
Flags = 0;
return result;
}
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