Static Analyzer: Add a convinience API. Add comment.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137000 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h b/include/clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h
index 4429c6b..27c52c3 100644
--- a/include/clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h
+++ b/include/clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h
@@ -90,6 +90,10 @@
return Eng.getSValBuilder();
}
+ SymbolManager &getSymbolManager() {
+ return getSValBuilder().getSymbolManager();
+ }
+
ExplodedNode *generateNode(bool autoTransition = true) {
assert(statement && "Only transitions with statements currently supported");
ExplodedNode *N = generateNodeImpl(statement, getState(), false,
diff --git a/include/clang/StaticAnalyzer/Core/PathSensitive/SymbolManager.h b/include/clang/StaticAnalyzer/Core/PathSensitive/SymbolManager.h
index 66ecba7..4211316 100644
--- a/include/clang/StaticAnalyzer/Core/PathSensitive/SymbolManager.h
+++ b/include/clang/StaticAnalyzer/Core/PathSensitive/SymbolManager.h
@@ -389,6 +389,9 @@
const SymbolExtent *getExtentSymbol(const SubRegion *R);
+ /// Creates a metadata symbol associated with a specific region.
+ /// VisitCount can be used to differentiate regions corresponding to
+ /// different loop iterations, thus, making the symbol path-dependent.
const SymbolMetadata* getMetadataSymbol(const MemRegion* R, const Stmt* S,
QualType T, unsigned VisitCount,
const void* SymbolTag = 0);
