diff options
| author | Daniel Dunbar <daniel@zuster.org> | 2012-11-27 00:04:16 +0000 |
|---|---|---|
| committer | Daniel Dunbar <daniel@zuster.org> | 2012-11-27 00:04:16 +0000 |
| commit | acf36129fa7ff2abef80d38ab6901a50b044c7d1 (patch) | |
| tree | d840c2b67cbf08107d24c96cc8c3928b75c03c8e /lib/Frontend/CompilerInstance.cpp | |
| parent | 2e39713a3d72c243a2bcd13cc8f5036ba6b487d9 (diff) | |
Frontend: Create a virtual file for named pipe inputs.
- This ensures we see the right buffer size for the file.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168636 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Frontend/CompilerInstance.cpp')
| -rw-r--r-- | lib/Frontend/CompilerInstance.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/Frontend/CompilerInstance.cpp b/lib/Frontend/CompilerInstance.cpp index c2aff82354..b01a3f6e1a 100644 --- a/lib/Frontend/CompilerInstance.cpp +++ b/lib/Frontend/CompilerInstance.cpp @@ -620,7 +620,6 @@ bool CompilerInstance::InitializeSourceManager(const FrontendInputFile &Input, Diags.Report(diag::err_fe_error_reading) << InputFile; return false; } - SourceMgr.createMainFileID(File, Kind); // The natural SourceManager infrastructure can't currently handle named // pipes, but we would at least like to accept them for the main @@ -632,8 +631,13 @@ bool CompilerInstance::InitializeSourceManager(const FrontendInputFile &Input, Diags.Report(diag::err_cannot_open_file) << InputFile << ec.message(); return false; } + + // Create a new virtual file that will have the correct size. + File = FileMgr.getVirtualFile(InputFile, MB->getBufferSize(), 0); SourceMgr.overrideFileContents(File, MB.take()); } + + SourceMgr.createMainFileID(File, Kind); } else { OwningPtr<llvm::MemoryBuffer> SB; if (llvm::MemoryBuffer::getSTDIN(SB)) { |