george.karpenkov created this revision.
george.karpenkov added reviewers: NoQ, rsmith, aprantl.
https://reviews.llvm.org/D52113
Files:
clang/include/clang/AST/DeclBase.h
clang/lib/AST/DeclBase.cpp
Index: clang/lib/AST/DeclBase.cpp
===================================================================
--- clang/lib/AST/DeclBase.cpp
+++ clang/lib/AST/DeclBase.cpp
@@ -930,6 +930,13 @@
static Decl::Kind getKind(const Decl *D) { return D->getKind(); }
static Decl::Kind getKind(const DeclContext *DC) { return DC->getDeclKind(); }
+int64_t Decl::getID() const {
+ Optional<int64_t> Out = getASTContext().getAllocator().identifyObject(this);
+ assert(Out && "Wrong allocator used");
+ assert(*Out % alignof(Decl) == 0 && "Wrong alignment information");
+ return *Out / alignof(Decl);
+}
+
const FunctionType *Decl::getFunctionType(bool BlocksToo) const {
QualType Ty;
if (const auto *D = dyn_cast<ValueDecl>(this))
Index: clang/include/clang/AST/DeclBase.h
===================================================================
--- clang/include/clang/AST/DeclBase.h
+++ clang/include/clang/AST/DeclBase.h
@@ -1141,6 +1141,9 @@
void dump(raw_ostream &Out, bool Deserialize = false) const;
+ /// \return Unique reproducible object identifier
+ int64_t getID() const;
+
/// Looks through the Decl's underlying type to extract a FunctionType
/// when possible. Will return null if the type underlying the Decl does not
/// have a FunctionType.
Index: clang/lib/AST/DeclBase.cpp
===================================================================
--- clang/lib/AST/DeclBase.cpp
+++ clang/lib/AST/DeclBase.cpp
@@ -930,6 +930,13 @@
static Decl::Kind getKind(const Decl *D) { return D->getKind(); }
static Decl::Kind getKind(const DeclContext *DC) { return DC->getDeclKind(); }
+int64_t Decl::getID() const {
+ Optional<int64_t> Out = getASTContext().getAllocator().identifyObject(this);
+ assert(Out && "Wrong allocator used");
+ assert(*Out % alignof(Decl) == 0 && "Wrong alignment information");
+ return *Out / alignof(Decl);
+}
+
const FunctionType *Decl::getFunctionType(bool BlocksToo) const {
QualType Ty;
if (const auto *D = dyn_cast<ValueDecl>(this))
Index: clang/include/clang/AST/DeclBase.h
===================================================================
--- clang/include/clang/AST/DeclBase.h
+++ clang/include/clang/AST/DeclBase.h
@@ -1141,6 +1141,9 @@
void dump(raw_ostream &Out, bool Deserialize = false) const;
+ /// \return Unique reproducible object identifier
+ int64_t getID() const;
+
/// Looks through the Decl's underlying type to extract a FunctionType
/// when possible. Will return null if the type underlying the Decl does not
/// have a FunctionType.
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