1 files changed, 41 insertions, 0 deletions
diff --git a/mutator_aux.cpp b/mutator_aux.cpp
new file mode 100644
index 0000000..e10ea8e
--- /dev/null
+++ b/mutator_aux.cpp
@@ -0,0 +1,41 @@
+
+#include <string>
+#include <iostream>
+#include "clang/AST/AST.h"
+#include "mutator_aux.h"
+#include "clang/Rewrite/Core/Rewriter.h"
+
+using namespace clang;
+
+namespace Devi {
+/*a simple function that checks the sourcelocations for a macro expansion. returns the sourcelocation without
+macro expansion address.*/
+SourceLocation SourceLocationHasMacro (SourceLocation SL, Rewriter &Rewrite, std::string Kind)
+{
+  /*does the sourcelocation include a macro expansion?*/
+  if ( SL.isMacroID() )
+  {
+    /*get the expansion range which is startloc and endloc*/
+    std::pair <SourceLocation, SourceLocation> expansionRange = Rewrite.getSourceMgr().getImmediateExpansionRange(SL);
+
+    if (Kind == "start")
+    {
+      /*get the startloc.*/
+      return (expansionRange.first);
+    }
+    else if (Kind == "end")
+    {
+      return (expansionRange.second);
+    }
+    else
+    {
+      std::cout << "the third argument of Devi::SourceLocationHasMacro is invalid." << std::endl;
+    }
+
+  }
+  else
+  {
+    return (SL);
+  }
+}
+}
+\ No newline at end of file