add a new SourceManager::getInstantiationRange helper method.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64606 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/SourceManager.cpp b/lib/Basic/SourceManager.cpp
index 71bda5b..88980ef 100644
--- a/lib/Basic/SourceManager.cpp
+++ b/lib/Basic/SourceManager.cpp
@@ -606,6 +606,24 @@
return II.getInstantiationLocRange();
}
+/// getInstantiationRange - Given a SourceLocation object, return the
+/// range of tokens covered by the instantiation in the ultimate file.
+std::pair<SourceLocation,SourceLocation>
+SourceManager::getInstantiationRange(SourceLocation Loc) const {
+ if (Loc.isFileID()) return std::make_pair(Loc, Loc);
+
+ std::pair<SourceLocation,SourceLocation> Res =
+ getImmediateInstantiationRange(Loc);
+
+ // Fully resolve the start and end locations to their ultimate instantiation
+ // points.
+ while (!Res.first.isFileID())
+ Res.first = getImmediateInstantiationRange(Res.first).first;
+ while (!Res.second.isFileID())
+ Res.second = getImmediateInstantiationRange(Res.second).second;
+ return Res;
+}
+
//===----------------------------------------------------------------------===//