1 //===- ScriptReader.cpp ---------------------------------------------------===// 2 // 3 // The MCLinker Project 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 #include "mcld/Script/ScriptReader.h" 10 11 #include "mcld/MC/Input.h" 12 #include "mcld/Script/ScriptFile.h" 13 #include "mcld/Script/ScriptScanner.h" 14 #include "mcld/Support/MemoryArea.h" 15 16 #include <llvm/ADT/StringRef.h> 17 18 #include <istream> 19 #include <sstream> 20 21 namespace mcld { 22 23 ScriptReader::ScriptReader(ObjectReader& pObjectReader, 24 ArchiveReader& pArchiveReader, 25 DynObjReader& pDynObjReader, 26 GroupReader& pGroupReader) 27 : m_ObjectReader(pObjectReader), 28 m_ArchiveReader(pArchiveReader), 29 m_DynObjReader(pDynObjReader), 30 m_GroupReader(pGroupReader) { 31 } 32 33 ScriptReader::~ScriptReader() { 34 } 35 36 /// isMyFormat 37 bool ScriptReader::isMyFormat(Input& input, bool& doContinue) const { 38 doContinue = true; 39 // always return true now 40 return true; 41 } 42 43 bool ScriptReader::readScript(const LinkerConfig& pConfig, 44 ScriptFile& pScriptFile) { 45 Input& input = pScriptFile.input(); 46 size_t size = input.memArea()->size(); 47 llvm::StringRef region = input.memArea()->request(input.fileOffset(), size); 48 std::stringbuf buf(region.data()); 49 50 std::istream in(&buf); 51 ScriptScanner scanner(&in); 52 ScriptParser parser(pConfig, 53 pScriptFile, 54 scanner, 55 m_ObjectReader, 56 m_ArchiveReader, 57 m_DynObjReader, 58 m_GroupReader); 59 return parser.parse() == 0; 60 } 61 62 } // namespace mcld 63
