Introduce OwnsRemappedFileBuffers field in ASTUnit, indicating whether the ASTUnit should delete the remapped buffers.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127051 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Frontend/ASTUnit.h b/include/clang/Frontend/ASTUnit.h
index e935633..07df7f3 100644
--- a/include/clang/Frontend/ASTUnit.h
+++ b/include/clang/Frontend/ASTUnit.h
@@ -115,6 +115,9 @@
/// \brief Whether we should time each operation.
bool WantTiming;
+
+ /// \brief Whether the ASTUnit should delete the remapped buffers.
+ bool OwnsRemappedFileBuffers;
/// Track the top-level decls which appeared in an ASTUnit which was loaded
/// from a source file.
@@ -422,6 +425,9 @@
bool getOnlyLocalDecls() const { return OnlyLocalDecls; }
+ bool getOwnsRemappedFileBuffers() const { return OwnsRemappedFileBuffers; }
+ void setOwnsRemappedFileBuffers(bool val) { OwnsRemappedFileBuffers = val; }
+
/// \brief Retrieve the maximum PCH level of declarations that a
/// traversal of the translation unit should consider.
unsigned getMaxPCHLevel() const;
diff --git a/lib/Frontend/ASTUnit.cpp b/lib/Frontend/ASTUnit.cpp
index a7942e6..401ddf8 100644
--- a/lib/Frontend/ASTUnit.cpp
+++ b/lib/Frontend/ASTUnit.cpp
@@ -92,6 +92,7 @@
ASTUnit::ASTUnit(bool _MainFileIsAST)
: CaptureDiagnostics(false), MainFileIsAST(_MainFileIsAST),
CompleteTranslationUnit(true), WantTiming(getenv("LIBCLANG_TIMING")),
+ OwnsRemappedFileBuffers(true),
NumStoredDiagnosticsFromDriver(0),
ConcurrencyCheckValue(CheckUnlocked),
PreambleRebuildCounter(0), SavedMainFileBuffer(0), PreambleBuffer(0),
@@ -116,7 +117,7 @@
// perform this operation here because we explicitly request that the
// compiler instance *not* free these buffers for each invocation of the
// parser.
- if (Invocation.get()) {
+ if (Invocation.get() && OwnsRemappedFileBuffers) {
PreprocessorOptions &PPOpts = Invocation->getPreprocessorOpts();
for (PreprocessorOptions::remapped_file_buffer_iterator
FB = PPOpts.remapped_file_buffer_begin(),