abb6981f68
now Reader and Writer subclasses for each file format. Each Reader and Writer subclass defines an "options" class which controls how that Reader or Writer operates. llvm-svn: 157774
91 lines
2.5 KiB
C++
91 lines
2.5 KiB
C++
//===- Core/InputFiles.cpp - Manages list of Files ------------------------===//
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//
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// The LLVM Linker
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lld/Core/InputFiles.h"
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#include "lld/Core/SharedLibraryFile.h"
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#include "lld/Core/ArchiveLibraryFile.h"
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#include "lld/Core/LLVM.h"
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namespace lld {
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InputFiles::InputFiles() {
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}
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InputFiles::~InputFiles() {
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}
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void InputFiles::forEachInitialAtom(InputFiles::Handler &handler) const {
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for ( const File *file : _files ) {
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this->handleFile(file, handler);
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}
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}
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void InputFiles::prependFile(const File &file) {
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_files.insert(_files.begin(), &file);
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}
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void InputFiles::appendFile(const File &file) {
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_files.push_back(&file);
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}
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void InputFiles::appendFiles(std::vector<std::unique_ptr<File>> &files) {
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for (std::unique_ptr<File> &f : files) {
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_files.push_back(f.release());
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}
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}
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bool InputFiles::searchLibraries(StringRef name, bool searchSharedLibs,
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bool searchArchives, bool dataSymbolOnly,
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InputFiles::Handler &handler) const {
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for ( const File *file : _files ) {
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if ( searchSharedLibs ) {
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if (const SharedLibraryFile *shlib = dyn_cast<SharedLibraryFile>(file)) {
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if ( const SharedLibraryAtom* shAtom = shlib->exports(name,
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dataSymbolOnly) ) {
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handler.doSharedLibraryAtom(*shAtom);
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return true;
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}
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}
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}
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if ( searchArchives ) {
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if (const ArchiveLibraryFile *lib = dyn_cast<ArchiveLibraryFile>(file)) {
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if ( const File *member = lib->find(name, dataSymbolOnly) ) {
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this->handleFile(member, handler);
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return true;
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}
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}
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}
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}
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return false;
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}
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void InputFiles::handleFile(const File *file,
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InputFiles::Handler &handler) const {
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handler.doFile(*file);
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for( const DefinedAtom *atom : file->defined() ) {
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handler.doDefinedAtom(*atom);
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}
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for( const UndefinedAtom *undefAtom : file->undefined() ) {
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handler.doUndefinedAtom(*undefAtom);
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}
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for( const SharedLibraryAtom *shlibAtom : file->sharedLibrary() ) {
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handler.doSharedLibraryAtom(*shlibAtom);
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}
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for( const AbsoluteAtom *absAtom : file->absolute() ) {
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handler.doAbsoluteAtom(*absAtom);
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}
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}
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} // namespace lld
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