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-rw-r--r--clang/include/clang/Frontend/PrecompiledPreamble.h2
-rw-r--r--clang/lib/Frontend/PrecompiledPreamble.cpp4
2 files changed, 6 insertions, 0 deletions
diff --git a/clang/include/clang/Frontend/PrecompiledPreamble.h b/clang/include/clang/Frontend/PrecompiledPreamble.h
index ba825af9467..b1d55d80635 100644
--- a/clang/include/clang/Frontend/PrecompiledPreamble.h
+++ b/clang/include/clang/Frontend/PrecompiledPreamble.h
@@ -283,6 +283,8 @@ public:
/// Creates wrapper class for PPCallbacks so we can also process information
/// about includes that are inside of a preamble
virtual std::unique_ptr<PPCallbacks> createPPCallbacks();
+ /// The returned CommentHandler will be added to the preprocessor if not null.
+ virtual CommentHandler *getCommentHandler();
};
enum class BuildPreambleError {
diff --git a/clang/lib/Frontend/PrecompiledPreamble.cpp b/clang/lib/Frontend/PrecompiledPreamble.cpp
index 85638823294..5d6cc840a8e 100644
--- a/clang/lib/Frontend/PrecompiledPreamble.cpp
+++ b/clang/lib/Frontend/PrecompiledPreamble.cpp
@@ -18,6 +18,7 @@
#include "clang/Frontend/FrontendActions.h"
#include "clang/Frontend/FrontendOptions.h"
#include "clang/Lex/Lexer.h"
+#include "clang/Lex/Preprocessor.h"
#include "clang/Lex/PreprocessorOptions.h"
#include "clang/Serialization/ASTWriter.h"
#include "llvm/ADT/StringExtras.h"
@@ -346,6 +347,8 @@ llvm::ErrorOr<PrecompiledPreamble> PrecompiledPreamble::Build(
Callbacks.createPPCallbacks();
if (DelegatedPPCallbacks)
Clang->getPreprocessor().addPPCallbacks(std::move(DelegatedPPCallbacks));
+ if (auto CommentHandler = Callbacks.getCommentHandler())
+ Clang->getPreprocessor().addCommentHandler(CommentHandler);
Act->Execute();
@@ -742,6 +745,7 @@ void PreambleCallbacks::HandleTopLevelDecl(DeclGroupRef DG) {}
std::unique_ptr<PPCallbacks> PreambleCallbacks::createPPCallbacks() {
return nullptr;
}
+CommentHandler *PreambleCallbacks::getCommentHandler() { return nullptr; }
static llvm::ManagedStatic<BuildPreambleErrorCategory> BuildPreambleErrCategory;
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