Put the mechanism in place to track modifications in an AST entity that were committed after
its initial creation/deserialization and store the changes in a chained PCH.
The idea is that the AST entities call methods on the ASTMutationListener to give notifications
of changes; the PCHWriter implements the ASTMutationListener interface and stores the incremental changes
of the updated entity. WIP
llvm-svn: 117235
diff --git a/clang/lib/Frontend/FrontendAction.cpp b/clang/lib/Frontend/FrontendAction.cpp
index 9718891..26ae4b1 100644
--- a/clang/lib/Frontend/FrontendAction.cpp
+++ b/clang/lib/Frontend/FrontendAction.cpp
@@ -167,6 +167,8 @@
llvm::OwningPtr<ASTConsumer> Consumer(CreateASTConsumer(CI, Filename));
+ CI.getASTContext().setASTMutationListener(Consumer->GetASTMutationListener());
+
/// Use PCH?
if (!CI.getPreprocessorOpts().ImplicitPCHInclude.empty()) {
assert(hasPCHSupport() && "This action does not have PCH support!");