[analyzer] Address Jordan's code review of r175857.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176043 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 16 insertions, 0 deletions

diff --git a/include/clang/StaticAnalyzer/Core/PathSensitive/CallEvent.h b/include/clang/StaticAnalyzer/Core/PathSensitive/CallEvent.h
index 1000646841..6336a8b387 100644
--- a/include/clang/StaticAnalyzer/Core/PathSensitive/CallEvent.h
+++ b/include/clang/StaticAnalyzer/Core/PathSensitive/CallEvent.h
@@ -228,6 +228,11 @@ public:
     return false;
   }
 
+  /// \brief Returns true if this is a call to a variadic function or method.
+  virtual bool isVariadic() const {
+    return false;
+  }
+
   /// \brief Returns a source range for the entire call, suitable for
   /// outputting in diagnostics.
   virtual SourceRange getSourceRange() const {
@@ -416,6 +421,10 @@ public:
     return RuntimeDefinition();
   }
 
+  virtual bool isVariadic() const {
+    return getDecl()->isVariadic();
+  }
+
   virtual bool argumentsMayEscape() const;
 
   virtual void getInitialStackFrameContents(const StackFrameContext *CalleeCtx,
@@ -516,6 +525,10 @@ public:
     return RuntimeDefinition(getBlockDecl());
   }
 
+  virtual bool isVariadic() const {
+    return getBlockDecl()->isVariadic();
+  }
+
   virtual void getInitialStackFrameContents(const StackFrameContext *CalleeCtx,
                                             BindingsTy &Bindings) const;
 
@@ -834,6 +847,9 @@ public:
   virtual const Expr *getArgExpr(unsigned Index) const {
     return getOriginExpr()->getArg(Index);
   }
+  virtual bool isVariadic() const {
+    return getDecl()->isVariadic();
+  }
 
   bool isInstanceMessage() const {
     return getOriginExpr()->isInstanceMessage();