Driver: Add ArgList::hasArg, for testing for the presence of an

argument matching some Option::ID.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@66758 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 11 insertions, 0 deletions

diff --git a/lib/Driver/ArgList.cpp b/lib/Driver/ArgList.cpp
index a45e9d67b2..6a056074b7 100644
--- a/lib/Driver/ArgList.cpp
+++ b/lib/Driver/ArgList.cpp
@@ -29,3 +29,14 @@ void ArgList::append(Arg *A) {
 
   Args.push_back(A);
 }
+
+bool ArgList::hasArg(options::ID Id) const {
+  // FIXME: Make search efficient?
+
+  // FIXME: This needs to not require loading of the option.
+  for (const_iterator it = begin(), ie = end(); it != ie; ++ie)
+    if ((*it)->getOption().matches(Id))
+      return true;
+  
+  return false;
+}