[driver] Add a dump method for ArgList.

llvm-svn: 175777

2 files changed, 10 insertions, 0 deletions

diff --git a/clang/include/clang/Driver/ArgList.h b/clang/include/clang/Driver/ArgList.h
index 7763b3e969c..3967dcc21d1 100644
--- a/clang/include/clang/Driver/ArgList.h
+++ b/clang/include/clang/Driver/ArgList.h
@@ -290,6 +290,8 @@ namespace driver {
                                          StringRef RHS) const;
 
     /// @}
+
+    void dump();
   };
 
   class InputArgList : public ArgList  {
diff --git a/clang/lib/Driver/ArgList.cpp b/clang/lib/Driver/ArgList.cpp
index 0058245203b..6c57b622b8d 100644
--- a/clang/lib/Driver/ArgList.cpp
+++ b/clang/lib/Driver/ArgList.cpp
@@ -306,6 +306,14 @@ const char *ArgList::GetOrMakeJoinedArgString(unsigned Index,
   return MakeArgString(LHS + RHS);
 }
 
+void ArgList::dump() {
+  llvm::errs() << "ArgList:";
+  for (iterator it = begin(), ie = end(); it != ie; ++it) {
+    llvm::errs() << " " << (*it)->getSpelling();
+  }
+  llvm::errs() << "\n";
+}
+
 //
 
 InputArgList::InputArgList(const char* const *ArgBegin,