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Diffstat (limited to 'lib/Driver/WinLinkModuleDef.cpp')
| -rw-r--r-- | lib/Driver/WinLinkModuleDef.cpp | 295 |
1 files changed, 0 insertions, 295 deletions
diff --git a/lib/Driver/WinLinkModuleDef.cpp b/lib/Driver/WinLinkModuleDef.cpp deleted file mode 100644 index e55a0bc5fe64..000000000000 --- a/lib/Driver/WinLinkModuleDef.cpp +++ /dev/null @@ -1,295 +0,0 @@ -//===- lib/Driver/WinLinkModuleDef.cpp ------------------------------------===// -// -// The LLVM Linker -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -/// -/// \file -/// \brief Windows module definition file parser. -/// -//===----------------------------------------------------------------------===// - -#include "lld/Driver/WinLinkModuleDef.h" -#include "llvm/ADT/StringSwitch.h" - -namespace lld { -namespace moduledef { - -Token Lexer::lex() { - for (;;) { - _buffer = _buffer.trim(); - if (_buffer.empty() || _buffer[0] == '\0') - return Token(Kind::eof, _buffer); - - switch (_buffer[0]) { - case ';': { - size_t end = _buffer.find('\n'); - _buffer = (end == _buffer.npos) ? "" : _buffer.drop_front(end); - continue; - } - case '=': - _buffer = _buffer.drop_front(); - return Token(Kind::equal, "="); - case ',': - _buffer = _buffer.drop_front(); - return Token(Kind::comma, ","); - case '"': { - size_t end = _buffer.find('"', 1); - Token ret; - if (end == _buffer.npos) { - ret = Token(Kind::identifier, _buffer.substr(1, end)); - _buffer = ""; - } else { - ret = Token(Kind::identifier, _buffer.substr(1, end - 1)); - _buffer = _buffer.drop_front(end + 1); - } - return ret; - } - default: { - size_t end = _buffer.find_first_not_of( - "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" - "0123456789_.*~+!@#$%^&*()/"); - StringRef word = _buffer.substr(0, end); - Kind kind = llvm::StringSwitch<Kind>(word) - .Case("BASE", Kind::kw_base) - .Case("DATA", Kind::kw_data) - .Case("EXPORTS", Kind::kw_exports) - .Case("HEAPSIZE", Kind::kw_heapsize) - .Case("LIBRARY", Kind::kw_library) - .Case("NAME", Kind::kw_name) - .Case("NONAME", Kind::kw_noname) - .Case("PRIVATE", Kind::kw_private) - .Case("STACKSIZE", Kind::kw_stacksize) - .Case("VERSION", Kind::kw_version) - .Default(Kind::identifier); - _buffer = (end == _buffer.npos) ? "" : _buffer.drop_front(end); - return Token(kind, word); - } - } - } -} - -void Parser::consumeToken() { - if (_tokBuf.empty()) { - _tok = _lex.lex(); - return; - } - _tok = _tokBuf.back(); - _tokBuf.pop_back(); -} - -bool Parser::consumeTokenAsInt(uint64_t &result) { - consumeToken(); - if (_tok._kind != Kind::identifier) { - ungetToken(); - error(_tok, "Integer expected"); - return false; - } - if (_tok._range.getAsInteger(10, result)) { - error(_tok, "Integer expected"); - return false; - } - return true; -} - -bool Parser::expectAndConsume(Kind kind, Twine msg) { - consumeToken(); - if (_tok._kind != kind) { - error(_tok, msg); - return false; - } - return true; -} - -void Parser::ungetToken() { _tokBuf.push_back(_tok); } - -void Parser::error(const Token &tok, Twine msg) { - _lex.getSourceMgr().PrintMessage( - llvm::SMLoc::getFromPointer(tok._range.data()), llvm::SourceMgr::DK_Error, - msg); -} - -bool Parser::parse(std::vector<Directive *> &ret) { - for (;;) { - Directive *dir = nullptr; - if (!parseOne(dir)) - return false; - if (!dir) - return true; - ret.push_back(dir); - } -} - -bool Parser::parseOne(Directive *&ret) { - consumeToken(); - switch (_tok._kind) { - case Kind::eof: - return true; - case Kind::kw_exports: { - // EXPORTS - std::vector<PECOFFLinkingContext::ExportDesc> exports; - for (;;) { - PECOFFLinkingContext::ExportDesc desc; - if (!parseExport(desc)) - break; - exports.push_back(desc); - } - ret = new (_alloc) Exports(exports); - return true; - } - case Kind::kw_heapsize: { - // HEAPSIZE - uint64_t reserve, commit; - if (!parseMemorySize(reserve, commit)) - return false; - ret = new (_alloc) Heapsize(reserve, commit); - return true; - } - case Kind::kw_library: { - // LIBRARY - std::string name; - uint64_t baseaddr; - if (!parseName(name, baseaddr)) - return false; - if (!StringRef(name).endswith_lower(".dll")) - name.append(".dll"); - ret = new (_alloc) Library(name, baseaddr); - return true; - } - case Kind::kw_stacksize: { - // STACKSIZE - uint64_t reserve, commit; - if (!parseMemorySize(reserve, commit)) - return false; - ret = new (_alloc) Stacksize(reserve, commit); - return true; - } - case Kind::kw_name: { - // NAME - std::string outputPath; - uint64_t baseaddr; - if (!parseName(outputPath, baseaddr)) - return false; - ret = new (_alloc) Name(outputPath, baseaddr); - return true; - } - case Kind::kw_version: { - // VERSION - int major, minor; - if (!parseVersion(major, minor)) - return false; - ret = new (_alloc) Version(major, minor); - return true; - } - default: - error(_tok, Twine("Unknown directive: ") + _tok._range); - return false; - } -} - -bool Parser::parseExport(PECOFFLinkingContext::ExportDesc &result) { - consumeToken(); - if (_tok._kind != Kind::identifier) { - ungetToken(); - return false; - } - result.name = _tok._range; - - consumeToken(); - if (_tok._kind == Kind::equal) { - consumeToken(); - if (_tok._kind != Kind::identifier) - return false; - result.externalName = result.name; - result.name = _tok._range; - } else { - ungetToken(); - } - - for (;;) { - consumeToken(); - if (_tok._kind == Kind::identifier && _tok._range[0] == '@') { - _tok._range.drop_front().getAsInteger(10, result.ordinal); - consumeToken(); - if (_tok._kind == Kind::kw_noname) { - result.noname = true; - } else { - ungetToken(); - } - continue; - } - if (_tok._kind == Kind::kw_data) { - result.isData = true; - continue; - } - if (_tok._kind == Kind::kw_private) { - result.isPrivate = true; - continue; - } - ungetToken(); - return true; - } -} - -// HEAPSIZE/STACKSIZE reserve[,commit] -bool Parser::parseMemorySize(uint64_t &reserve, uint64_t &commit) { - if (!consumeTokenAsInt(reserve)) - return false; - - consumeToken(); - if (_tok._kind != Kind::comma) { - ungetToken(); - commit = 0; - return true; - } - - if (!consumeTokenAsInt(commit)) - return false; - return true; -} - -// NAME [outputPath] [BASE=address] -bool Parser::parseName(std::string &outputPath, uint64_t &baseaddr) { - consumeToken(); - if (_tok._kind == Kind::identifier) { - outputPath = _tok._range; - } else { - outputPath = ""; - ungetToken(); - return true; - } - consumeToken(); - if (_tok._kind == Kind::kw_base) { - if (!expectAndConsume(Kind::equal, "'=' expected")) - return false; - if (!consumeTokenAsInt(baseaddr)) - return false; - } else { - ungetToken(); - baseaddr = 0; - } - return true; -} - -// VERSION major[.minor] -bool Parser::parseVersion(int &major, int &minor) { - consumeToken(); - if (_tok._kind != Kind::identifier) - return false; - StringRef v1, v2; - std::tie(v1, v2) = _tok._range.split('.'); - if (v1.getAsInteger(10, major)) - return false; - if (v2.empty()) { - minor = 0; - } else if (v2.getAsInteger(10, minor)) { - return false; - } - return true; -} - -} // moddef -} // namespace lld |