Extend clang_createTranslationUnitFromSourceFile() to support creating

translation units that include unsaved files.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@94258 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 22 insertions, 0 deletions

diff --git a/include/clang/Frontend/PreprocessorOptions.h b/include/clang/Frontend/PreprocessorOptions.h
index c43a1feb8c..7ba7c5c38d 100644
--- a/include/clang/Frontend/PreprocessorOptions.h
+++ b/include/clang/Frontend/PreprocessorOptions.h
@@ -16,6 +16,10 @@
 #include <utility>
 #include <vector>
 
+namespace llvm {
+  class MemoryBuffer;
+}
+
 namespace clang {
 
 class Preprocessor;
@@ -48,6 +52,12 @@ public:
   /// pair).
   std::vector<std::pair<std::string, std::string> >  RemappedFiles;
 
+  /// \brief The set of file-to-buffer remappings, which take existing files
+  /// on the system (the first part of each pair) and gives them the contents
+  /// of the specified memory buffer (the second part of each pair).
+  std::vector<std::pair<std::string, const llvm::MemoryBuffer *> > 
+    RemappedFileBuffers;
+  
   typedef std::vector<std::pair<std::string, std::string> >::const_iterator
     remapped_file_iterator;
   remapped_file_iterator remapped_file_begin() const { 
@@ -57,6 +67,15 @@ public:
     return RemappedFiles.end();
   }
 
+  typedef std::vector<std::pair<std::string, const llvm::MemoryBuffer *> >::
+                                  const_iterator remapped_file_buffer_iterator;
+  remapped_file_buffer_iterator remapped_file_buffer_begin() const {
+    return RemappedFileBuffers.begin();
+  }
+  remapped_file_buffer_iterator remapped_file_buffer_end() const {
+    return RemappedFileBuffers.end();
+  }
+  
 public:
   PreprocessorOptions() : UsePredefines(true) {}
 
@@ -69,6 +88,9 @@ public:
   void addRemappedFile(llvm::StringRef From, llvm::StringRef To) {
     RemappedFiles.push_back(std::make_pair(From, To));
   }
+  void addRemappedFile(llvm::StringRef From, const llvm::MemoryBuffer * To) {
+    RemappedFileBuffers.push_back(std::make_pair(From, To));
+  }
 };
 
 } // end namespace clang