commit 8bcb1c68832c8897bf85b8346098bbb8099f3b94
author Ted Kremenek <kremenek@apple.com> Sat Oct 17 00:34:24 2009 +0000
committer Ted Kremenek <kremenek@apple.com> Sat Oct 17 00:34:24 2009 +0000
tree 1ffb9fe30776c982131852ca27ec88e00e8f0d9b
parent 0d3d9ee03e6d2746409bc26921ff743d65d2fc4f

Add 'UseBumpPtrAllocator' flag to ASTUnit::LoadFromPCHFile() to cause the created ASTContext to use
its own BumpPtrAllocator to allocate ASTs.

Change clang_createTranslationUnit (CIndex) to pass 'UseBumpPtrAllocator = true' to
ASTUnit::LoadFromPCHFile().

llvm-svn: 84296

clang/lib/Frontend/ASTUnit.cpp

diff --git a/clang/lib/Frontend/ASTUnit.cpp b/clang/lib/Frontend/ASTUnit.cpp
index 1500238..7ee6648 100644
--- a/clang/lib/Frontend/ASTUnit.cpp
+++ b/clang/lib/Frontend/ASTUnit.cpp
@@ -95,7 +95,8 @@
                                   Diagnostic &Diags,
                                   FileManager &FileMgr,
                                   std::string *ErrMsg,
-                                  bool OnlyLocalDecls) {
+                                  bool OnlyLocalDecls,
+                                  bool UseBumpAllocator) {
   llvm::OwningPtr<ASTUnit> AST(new ASTUnit(Diags));
   AST->OnlyLocalDecls = OnlyLocalDecls;
   AST->HeaderInfo.reset(new HeaderSearch(FileMgr));
@@ -146,7 +147,7 @@
                                 PP.getIdentifierTable(),
                                 PP.getSelectorTable(),
                                 PP.getBuiltinInfo(),
-                                /* FreeMemory = */ true,
+                                /* FreeMemory = */ !UseBumpAllocator,
                                 /* size_reserve = */0));
   ASTContext &Context = *AST->Ctx.get();