Driver: Track which original arguments an arg is derived from, so that

we can properly claim arguments, even if they have been translated by
the tool chain.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68020 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 9 insertions, 8 deletions

diff --git a/lib/Driver/ArgList.cpp b/lib/Driver/ArgList.cpp
index 44549b0636..2e526ab5d5 100644
--- a/lib/Driver/ArgList.cpp
+++ b/lib/Driver/ArgList.cpp
@@ -196,23 +196,24 @@ const char *DerivedArgList::MakeArgString(const char *Str) const {
   return BaseArgs.MakeArgString(Str);
 }
 
-Arg *DerivedArgList::MakeFlagArg(const Option *Opt) const {
-  return new FlagArg(Opt, BaseArgs.MakeIndex(Opt->getName()));
+Arg *DerivedArgList::MakeFlagArg(const Arg *BaseArg, const Option *Opt) const {
+  return new FlagArg(Opt, BaseArgs.MakeIndex(Opt->getName()), BaseArg);
 }
 
-Arg *DerivedArgList::MakePositionalArg(const Option *Opt, 
+Arg *DerivedArgList::MakePositionalArg(const Arg *BaseArg, const Option *Opt, 
                                        const char *Value) const {
-  return new PositionalArg(Opt, BaseArgs.MakeIndex(Value));
+  return new PositionalArg(Opt, BaseArgs.MakeIndex(Value), BaseArg);
 }
 
-Arg *DerivedArgList::MakeSeparateArg(const Option *Opt, 
+Arg *DerivedArgList::MakeSeparateArg(const Arg *BaseArg, const Option *Opt, 
                                      const char *Value) const {
-  return new SeparateArg(Opt, BaseArgs.MakeIndex(Opt->getName(), Value), 1);
+  return new SeparateArg(Opt, BaseArgs.MakeIndex(Opt->getName(), Value), 1, 
+                         BaseArg);
 }
 
-Arg *DerivedArgList::MakeJoinedArg(const Option *Opt, 
+Arg *DerivedArgList::MakeJoinedArg(const Arg *BaseArg, const Option *Opt, 
                                    const char *Value) const {
   std::string Joined(Opt->getName());
   Joined += Value;
-  return new JoinedArg(Opt, BaseArgs.MakeIndex(Joined.c_str()));
+  return new JoinedArg(Opt, BaseArgs.MakeIndex(Joined.c_str()), BaseArg);
 }