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Use llvm::sys::fs::GetUniqueID. 

llvm-svn: 184218
This commit is contained in:
Rafael Espindola 2013-06-18 19:40:07 +00:00
parent 45e6c2406d
commit f9e9bb8858
1 changed files with 22 additions and 15 deletions
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37
clang/lib/Frontend/ASTUnit.cpp
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@ -1275,17 +1275,19 @@ ASTUnit::ComputePreamble(CompilerInvocation &Invocation,
// command line (to another file) or directly through the compiler invocation
// (to a memory buffer).
llvm::MemoryBuffer *Buffer = 0;
llvm::sys::PathWithStatus MainFilePath(FrontendOpts.Inputs[0].getFile());
if (const llvm::sys::FileStatus *MainFileStatus = MainFilePath.getFileStatus()) {
std::string MainFilePath(FrontendOpts.Inputs[0].getFile());
uint64_t MainFileID;
if (!llvm::sys::fs::GetUniqueID(MainFilePath, MainFileID)) {
// Check whether there is a file-file remapping of the main file
for (PreprocessorOptions::remapped_file_iterator
M = PreprocessorOpts.remapped_file_begin(),
E = PreprocessorOpts.remapped_file_end();
M != E;
++M) {
llvm::sys::PathWithStatus MPath(M->first);
if (const llvm::sys::FileStatus *MStatus = MPath.getFileStatus()) {
if (MainFileStatus->uniqueID == MStatus->uniqueID) {
std::string MPath(M->first);
uint64_t MID;
if (!llvm::sys::fs::GetUniqueID(MPath, MID)) {
if (MainFileID == MID) {
// We found a remapping. Try to load the resulting, remapped source.
if (CreatedBuffer) {
delete Buffer;
@ -1308,10 +1310,11 @@ ASTUnit::ComputePreamble(CompilerInvocation &Invocation,
E = PreprocessorOpts.remapped_file_buffer_end();
M != E;
++M) {
llvm::sys::PathWithStatus MPath(M->first);
if (const llvm::sys::FileStatus *MStatus = MPath.getFileStatus()) {
if (MainFileStatus->uniqueID == MStatus->uniqueID) {
// We found a remapping.
std::string MPath(M->first);
uint64_t MID;
if (!llvm::sys::fs::GetUniqueID(MPath, MID)) {
if (MainFileID == MID) {
// We found a remapping.
if (CreatedBuffer) {
delete Buffer;
CreatedBuffer = false;
@ -2478,15 +2481,19 @@ void ASTUnit::CodeComplete(StringRef File, unsigned Line, unsigned Column,
llvm::MemoryBuffer *OverrideMainBuffer = 0;
if (!getPreambleFile(this).empty()) {
using llvm::sys::FileStatus;
llvm::sys::PathWithStatus CompleteFilePath(File);
llvm::sys::PathWithStatus MainPath(OriginalSourceFile);
if (const FileStatus *CompleteFileStatus = CompleteFilePath.getFileStatus())
if (const FileStatus *MainStatus = MainPath.getFileStatus())
if (CompleteFileStatus->getUniqueID() == MainStatus->getUniqueID() &&
Line > 1)
std::string CompleteFilePath(File);
uint64_t CompleteFileID;
if (!llvm::sys::fs::GetUniqueID(CompleteFilePath, CompleteFileID)) {
std::string MainPath(OriginalSourceFile);
uint64_t MainID;
if (!llvm::sys::fs::GetUniqueID(MainPath, MainID)) {
if (CompleteFileID == MainID && Line > 1)
OverrideMainBuffer
= getMainBufferWithPrecompiledPreamble(*CCInvocation, false,
Line - 1);
}
}
}
// If the main file has been overridden due to the use of a preamble,