lh123 updated this revision to Diff 231215.
lh123 added a comment.
address comments and delete unused code.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D70769/new/
https://reviews.llvm.org/D70769
Files:
clang/tools/driver/driver.cpp
lld/COFF/DriverUtils.cpp
lld/ELF/DriverUtils.cpp
lld/MinGW/Driver.cpp
lld/tools/lld/lld.cpp
lld/wasm/Driver.cpp
llvm/include/llvm/Support/CommandLine.h
llvm/lib/Support/CommandLine.cpp
llvm/lib/ToolDrivers/llvm-lib/LibDriver.cpp
llvm/tools/llvm-ar/llvm-ar.cpp
llvm/tools/llvm-objcopy/llvm-objcopy.cpp
llvm/unittests/Support/CommandLineTest.cpp
Index: llvm/unittests/Support/CommandLineTest.cpp
===================================================================
--- llvm/unittests/Support/CommandLineTest.cpp
+++ llvm/unittests/Support/CommandLineTest.cpp
@@ -17,6 +17,7 @@
#include "llvm/Support/Path.h"
#include "llvm/Support/Program.h"
#include "llvm/Support/StringSaver.h"
+#include "llvm/Support/VirtualFileSystem.h"
#include "gtest/gtest.h"
#include <fstream>
#include <stdlib.h>
@@ -830,7 +831,8 @@
llvm::BumpPtrAllocator A;
llvm::StringSaver Saver(A);
bool Res = llvm::cl::ExpandResponseFiles(
- Saver, llvm::cl::TokenizeGNUCommandLine, Argv, false, true);
+ Saver, llvm::cl::TokenizeGNUCommandLine, *llvm::vfs::getRealFileSystem(),
+ Argv, false, true);
EXPECT_TRUE(Res);
EXPECT_EQ(Argv.size(), 13U);
EXPECT_STREQ(Argv[0], "test/test");
@@ -905,7 +907,8 @@
#else
cl::TokenizerCallback Tokenizer = cl::TokenizeGNUCommandLine;
#endif
- bool Res = cl::ExpandResponseFiles(Saver, Tokenizer, Argv, false, false);
+ bool Res = cl::ExpandResponseFiles(
+ Saver, Tokenizer, *llvm::vfs::getRealFileSystem(), Argv, false, false);
EXPECT_FALSE(Res);
EXPECT_EQ(Argv.size(), 9U);
@@ -943,7 +946,8 @@
BumpPtrAllocator A;
StringSaver Saver(A);
- bool Res = cl::ExpandResponseFiles(Saver, cl::TokenizeGNUCommandLine, Argv,
+ bool Res = cl::ExpandResponseFiles(Saver, cl::TokenizeGNUCommandLine,
+ *llvm::vfs::getRealFileSystem(), Argv,
false, false);
EXPECT_FALSE(Res);
Index: llvm/tools/llvm-objcopy/llvm-objcopy.cpp
===================================================================
--- llvm/tools/llvm-objcopy/llvm-objcopy.cpp
+++ llvm/tools/llvm-objcopy/llvm-objcopy.cpp
@@ -38,6 +38,7 @@
#include "llvm/Support/Path.h"
#include "llvm/Support/Process.h"
#include "llvm/Support/StringSaver.h"
+#include "llvm/Support/VirtualFileSystem.h"
#include "llvm/Support/WithColor.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
@@ -338,7 +339,7 @@
Triple(sys::getProcessTriple()).isOSWindows()
? cl::TokenizeWindowsCommandLine
: cl::TokenizeGNUCommandLine,
- NewArgv);
+ *llvm::vfs::getRealFileSystem(), NewArgv);
auto Args = makeArrayRef(NewArgv).drop_front();
Expected<DriverConfig> DriverConfig =
Index: llvm/tools/llvm-ar/llvm-ar.cpp
===================================================================
--- llvm/tools/llvm-ar/llvm-ar.cpp
+++ llvm/tools/llvm-ar/llvm-ar.cpp
@@ -32,6 +32,7 @@
#include "llvm/Support/StringSaver.h"
#include "llvm/Support/TargetSelect.h"
#include "llvm/Support/ToolOutputFile.h"
+#include "llvm/Support/VirtualFileSystem.h"
#include "llvm/Support/WithColor.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/ToolDrivers/llvm-dlltool/DlltoolDriver.h"
@@ -1096,7 +1097,8 @@
static int ar_main(int argc, char **argv) {
SmallVector<const char *, 0> Argv(argv, argv + argc);
StringSaver Saver(Alloc);
- cl::ExpandResponseFiles(Saver, cl::TokenizeGNUCommandLine, Argv);
+ cl::ExpandResponseFiles(Saver, cl::TokenizeGNUCommandLine,
+ *llvm::vfs::getRealFileSystem(), Argv);
for (size_t i = 1; i < Argv.size(); ++i) {
StringRef Arg = Argv[i];
const char *match = nullptr;
Index: llvm/lib/ToolDrivers/llvm-lib/LibDriver.cpp
===================================================================
--- llvm/lib/ToolDrivers/llvm-lib/LibDriver.cpp
+++ llvm/lib/ToolDrivers/llvm-lib/LibDriver.cpp
@@ -27,6 +27,7 @@
#include "llvm/Support/Path.h"
#include "llvm/Support/Process.h"
#include "llvm/Support/StringSaver.h"
+#include "llvm/Support/VirtualFileSystem.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
@@ -267,7 +268,8 @@
// Parse command line arguments.
SmallVector<const char *, 20> NewArgs(ArgsArr.begin(), ArgsArr.end());
- cl::ExpandResponseFiles(Saver, cl::TokenizeWindowsCommandLine, NewArgs);
+ cl::ExpandResponseFiles(Saver, cl::TokenizeWindowsCommandLine,
+ *llvm::vfs::getRealFileSystem(), NewArgs);
ArgsArr = NewArgs;
LibOptTable Table;
Index: llvm/lib/Support/CommandLine.cpp
===================================================================
--- llvm/lib/Support/CommandLine.cpp
+++ llvm/lib/Support/CommandLine.cpp
@@ -37,6 +37,7 @@
#include "llvm/Support/Path.h"
#include "llvm/Support/Process.h"
#include "llvm/Support/StringSaver.h"
+#include "llvm/Support/VirtualFileSystem.h"
#include "llvm/Support/raw_ostream.h"
#include <cstdlib>
#include <map>
@@ -1045,10 +1046,11 @@
static bool ExpandResponseFile(StringRef FName, StringSaver &Saver,
TokenizerCallback Tokenizer,
+ llvm::vfs::FileSystem &FS,
SmallVectorImpl<const char *> &NewArgv,
bool MarkEOLs, bool RelativeNames) {
ErrorOr<std::unique_ptr<MemoryBuffer>> MemBufOrErr =
- MemoryBuffer::getFile(FName);
+ FS.getBufferForFile(FName);
if (!MemBufOrErr)
return false;
MemoryBuffer &MemBuf = *MemBufOrErr.get();
@@ -1068,6 +1070,9 @@
else if (hasUTF8ByteOrderMark(BufRef))
Str = StringRef(BufRef.data() + 3, BufRef.size() - 3);
+ llvm::ErrorOr<std::string> CurrDir = FS.getCurrentWorkingDirectory();
+ if (!CurrDir)
+ return false;
// Tokenize the contents into NewArgv.
Tokenizer(Str, Saver, NewArgv, MarkEOLs);
@@ -1084,9 +1089,7 @@
SmallString<128> ResponseFile;
ResponseFile.append(1, '@');
if (llvm::sys::path::is_relative(FName)) {
- SmallString<128> curr_dir;
- llvm::sys::fs::current_path(curr_dir);
- ResponseFile.append(curr_dir.str());
+ ResponseFile.append(CurrDir.get());
}
llvm::sys::path::append(
ResponseFile, llvm::sys::path::parent_path(FName), FileName);
@@ -1101,8 +1104,9 @@
/// Expand response files on a command line recursively using the given
/// StringSaver and tokenization strategy.
bool cl::ExpandResponseFiles(StringSaver &Saver, TokenizerCallback Tokenizer,
- SmallVectorImpl<const char *> &Argv,
- bool MarkEOLs, bool RelativeNames) {
+ llvm::vfs::FileSystem &FS,
+ SmallVectorImpl<const char *> &Argv, bool MarkEOLs,
+ bool RelativeNames) {
bool AllExpanded = true;
struct ResponseFileRecord {
const char *File;
@@ -1139,8 +1143,13 @@
}
const char *FName = Arg + 1;
- auto IsEquivalent = [FName](const ResponseFileRecord &RFile) {
- return sys::fs::equivalent(RFile.File, FName);
+ auto IsEquivalent = [FName, &FS](const ResponseFileRecord &RFile) {
+ SmallVector<char, 128> LHSPath;
+ SmallVector<char, 128> RHSPath;
+ if (FS.getRealPath(FName, LHSPath) || FS.getRealPath(RFile.File, RHSPath)) {
+ return false;
+ }
+ return LHSPath == RHSPath;
};
// Check for recursive response files.
@@ -1155,7 +1164,7 @@
// Replace this response file argument with the tokenization of its
// contents. Nested response files are expanded in subsequent iterations.
SmallVector<const char *, 0> ExpandedArgv;
- if (!ExpandResponseFile(FName, Saver, Tokenizer, ExpandedArgv, MarkEOLs,
+ if (!ExpandResponseFile(FName, Saver, Tokenizer, FS, ExpandedArgv, MarkEOLs,
RelativeNames)) {
// We couldn't read this file, so we leave it in the argument stream and
// move on.
@@ -1186,10 +1195,12 @@
bool cl::readConfigFile(StringRef CfgFile, StringSaver &Saver,
SmallVectorImpl<const char *> &Argv) {
- if (!ExpandResponseFile(CfgFile, Saver, cl::tokenizeConfigFile, Argv,
+ if (!ExpandResponseFile(CfgFile, Saver, cl::tokenizeConfigFile,
+ *llvm::vfs::getRealFileSystem(), Argv,
/*MarkEOLs*/ false, /*RelativeNames*/ true))
return false;
- return ExpandResponseFiles(Saver, cl::tokenizeConfigFile, Argv,
+ return ExpandResponseFiles(Saver, cl::tokenizeConfigFile,
+ *llvm::vfs::getRealFileSystem(), Argv,
/*MarkEOLs*/ false, /*RelativeNames*/ true);
}
@@ -1270,9 +1281,10 @@
BumpPtrAllocator A;
StringSaver Saver(A);
ExpandResponseFiles(Saver,
- Triple(sys::getProcessTriple()).isOSWindows() ?
- cl::TokenizeWindowsCommandLine : cl::TokenizeGNUCommandLine,
- newArgv);
+ Triple(sys::getProcessTriple()).isOSWindows()
+ ? cl::TokenizeWindowsCommandLine
+ : cl::TokenizeGNUCommandLine,
+ *llvm::vfs::getRealFileSystem(), newArgv);
argv = &newArgv[0];
argc = static_cast<int>(newArgv.size());
Index: llvm/include/llvm/Support/CommandLine.h
===================================================================
--- llvm/include/llvm/Support/CommandLine.h
+++ llvm/include/llvm/Support/CommandLine.h
@@ -41,6 +41,10 @@
namespace llvm {
+namespace vfs {
+class FileSystem;
+} // namespace vfs
+
class StringSaver;
class raw_ostream;
@@ -1959,6 +1963,7 @@
///
/// \param [in] Saver Delegates back to the caller for saving parsed strings.
/// \param [in] Tokenizer Tokenization strategy. Typically Unix or Windows.
+/// \param [in] FS File system used for all file access when running the tool.
/// \param [in,out] Argv Command line into which to expand response files.
/// \param [in] MarkEOLs Mark end of lines and the end of the response file
/// with nullptrs in the Argv vector.
@@ -1966,6 +1971,7 @@
/// resolved relative to including file.
/// \return true if all @files were expanded successfully or there were none.
bool ExpandResponseFiles(StringSaver &Saver, TokenizerCallback Tokenizer,
+ llvm::vfs::FileSystem &FS,
SmallVectorImpl<const char *> &Argv,
bool MarkEOLs = false, bool RelativeNames = false);
Index: lld/wasm/Driver.cpp
===================================================================
--- lld/wasm/Driver.cpp
+++ lld/wasm/Driver.cpp
@@ -29,6 +29,7 @@
#include "llvm/Support/Process.h"
#include "llvm/Support/TarWriter.h"
#include "llvm/Support/TargetSelect.h"
+#include "llvm/Support/VirtualFileSystem.h"
#define DEBUG_TYPE "lld"
@@ -165,7 +166,8 @@
unsigned missingCount;
// Expand response files (arguments in the form of @<filename>)
- cl::ExpandResponseFiles(saver, cl::TokenizeGNUCommandLine, vec);
+ cl::ExpandResponseFiles(saver, cl::TokenizeGNUCommandLine,
+ *llvm::vfs::getRealFileSystem(), vec);
opt::InputArgList args = this->ParseArgs(vec, missingIndex, missingCount);
Index: lld/tools/lld/lld.cpp
===================================================================
--- lld/tools/lld/lld.cpp
+++ lld/tools/lld/lld.cpp
@@ -36,6 +36,7 @@
#include "llvm/Support/Host.h"
#include "llvm/Support/InitLLVM.h"
#include "llvm/Support/Path.h"
+#include "llvm/Support/VirtualFileSystem.h"
#include <cstdlib>
using namespace lld;
@@ -83,7 +84,8 @@
// Expand response files (arguments in the form of @<filename>)
// to allow detecting the -m argument from arguments in them.
SmallVector<const char *, 256> expandedArgs(v.data(), v.data() + v.size());
- cl::ExpandResponseFiles(saver, getDefaultQuotingStyle(), expandedArgs);
+ cl::ExpandResponseFiles(saver, getDefaultQuotingStyle(),
+ *llvm::vfs::getRealFileSystem(), expandedArgs);
for (auto it = expandedArgs.begin(); it + 1 != expandedArgs.end(); ++it) {
if (StringRef(*it) != "-m")
continue;
Index: lld/MinGW/Driver.cpp
===================================================================
--- lld/MinGW/Driver.cpp
+++ lld/MinGW/Driver.cpp
@@ -43,6 +43,7 @@
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Path.h"
+#include "llvm/Support/VirtualFileSystem.h"
#if !defined(_MSC_VER) && !defined(__MINGW32__)
#include <unistd.h>
@@ -99,7 +100,8 @@
unsigned missingCount;
SmallVector<const char *, 256> vec(argv.data(), argv.data() + argv.size());
- cl::ExpandResponseFiles(saver, getQuotingStyle(), vec);
+ cl::ExpandResponseFiles(saver, getQuotingStyle(),
+ *llvm::vfs::getRealFileSystem(), vec);
opt::InputArgList args = this->ParseArgs(vec, missingIndex, missingCount);
if (missingCount)
Index: lld/ELF/DriverUtils.cpp
===================================================================
--- lld/ELF/DriverUtils.cpp
+++ lld/ELF/DriverUtils.cpp
@@ -25,6 +25,7 @@
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/Process.h"
+#include "llvm/Support/VirtualFileSystem.h"
using namespace llvm;
using namespace llvm::sys;
@@ -124,7 +125,8 @@
// Expand response files (arguments in the form of @<filename>)
// and then parse the argument again.
- cl::ExpandResponseFiles(saver, getQuotingStyle(args), vec);
+ cl::ExpandResponseFiles(saver, getQuotingStyle(args),
+ *llvm::vfs::getRealFileSystem(), vec);
concatLTOPluginOptions(vec);
args = this->ParseArgs(vec, missingIndex, missingCount);
Index: lld/COFF/DriverUtils.cpp
===================================================================
--- lld/COFF/DriverUtils.cpp
+++ lld/COFF/DriverUtils.cpp
@@ -30,6 +30,7 @@
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/Process.h"
#include "llvm/Support/Program.h"
+#include "llvm/Support/VirtualFileSystem.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/WindowsManifest/WindowsManifestMerger.h"
#include <memory>
@@ -819,7 +820,8 @@
argv.data() + argv.size());
if (!args.hasArg(OPT_lldignoreenv))
addLINK(expandedArgv);
- cl::ExpandResponseFiles(saver, getQuotingStyle(args), expandedArgv);
+ cl::ExpandResponseFiles(saver, getQuotingStyle(args),
+ *llvm::vfs::getRealFileSystem(), expandedArgv);
args = table.ParseArgs(makeArrayRef(expandedArgv).drop_front(), missingIndex,
missingCount);
Index: clang/tools/driver/driver.cpp
===================================================================
--- clang/tools/driver/driver.cpp
+++ clang/tools/driver/driver.cpp
@@ -42,6 +42,7 @@
#include "llvm/Support/StringSaver.h"
#include "llvm/Support/TargetSelect.h"
#include "llvm/Support/Timer.h"
+#include "llvm/Support/VirtualFileSystem.h"
#include "llvm/Support/raw_ostream.h"
#include <memory>
#include <set>
@@ -367,7 +368,8 @@
if (MarkEOLs && argv.size() > 1 && StringRef(argv[1]).startswith("-cc1"))
MarkEOLs = false;
- llvm::cl::ExpandResponseFiles(Saver, Tokenizer, argv, MarkEOLs);
+ llvm::cl::ExpandResponseFiles(
+ Saver, Tokenizer, *llvm::vfs::getRealFileSystem(), argv, MarkEOLs);
// Handle -cc1 integrated tools, even if -cc1 was expanded from a response
// file.
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