diff options
Diffstat (limited to 'include/clang/Basic/SourceManager.h')
-rw-r--r-- | include/clang/Basic/SourceManager.h | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/include/clang/Basic/SourceManager.h b/include/clang/Basic/SourceManager.h index 7e9ac53101..67b3d50064 100644 --- a/include/clang/Basic/SourceManager.h +++ b/include/clang/Basic/SourceManager.h @@ -77,8 +77,10 @@ namespace SrcMgr { /// ContentCache. mutable FileID FirstFID; - /// getBuffer - Returns the memory buffer for the associated content. - const llvm::MemoryBuffer *getBuffer() const; + /// getBuffer - Returns the memory buffer for the associated content. If + /// there is an error opening this buffer the first time, this returns null + /// and fills in the ErrorStr with a reason. + const llvm::MemoryBuffer *getBuffer(std::string *ErrorStr = 0) const; /// getSize - Returns the size of the content encapsulated by this /// ContentCache. This can be the size of the source file or the size of an @@ -432,10 +434,12 @@ public: // FileID manipulation methods. //===--------------------------------------------------------------------===// - /// getBuffer - Return the buffer for the specified FileID. + /// getBuffer - Return the buffer for the specified FileID. If there is an + /// error opening this buffer the first time, this returns null and fills in + /// the ErrorStr with a reason. /// - const llvm::MemoryBuffer *getBuffer(FileID FID) const { - return getSLocEntry(FID).getFile().getContentCache()->getBuffer(); + const llvm::MemoryBuffer *getBuffer(FileID FID, std::string *Error = 0) const{ + return getSLocEntry(FID).getFile().getContentCache()->getBuffer(Error); } /// getFileEntryForID - Returns the FileEntry record for the provided FileID. |