Support for -plugin-arg- with -add-plugin

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124551 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Frontend/FrontendOptions.h b/include/clang/Frontend/FrontendOptions.h
index fe953a4..f19914e 100644
--- a/include/clang/Frontend/FrontendOptions.h
+++ b/include/clang/Frontend/FrontendOptions.h
@@ -100,12 +100,15 @@
   /// The name of the action to run when using a plugin action.
   std::string ActionName;
 
-  /// Arg to pass to the plugin
+  /// Args to pass to the plugin
   std::vector<std::string> PluginArgs;
 
   /// The list of plugin actions to run in addition to the normal action.
   std::vector<std::string> AddPluginActions;
 
+  /// Args to pass to the additional plugins
+  std::vector<std::vector<std::string> > AddPluginArgs;
+
   /// The list of plugins to load.
   std::vector<std::string> Plugins;
 
diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
index 28cae64..3fdbc16 100644
--- a/lib/Frontend/CompilerInvocation.cpp
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -438,6 +438,10 @@
   for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) {
     Res.push_back("-add-plugin");
     Res.push_back(Opts.AddPluginActions[i]);
+    for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) {
+      Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]);
+      Res.push_back(Opts.AddPluginArgs[i][ai]);
+    }
   }
   for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) {
     Res.push_back("-ast-merge");
@@ -1106,6 +1110,14 @@
   }
 
   Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin);
+  Opts.AddPluginArgs.resize(Opts.AddPluginActions.size());
+  for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) {
+    for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg),
+           end = Args.filtered_end(); it != end; ++it) {
+      if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i])
+        Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1));
+    }
+  }
 
   if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) {
     Opts.CodeCompletionAt =
diff --git a/lib/Frontend/FrontendAction.cpp b/lib/Frontend/FrontendAction.cpp
index 1a5c042..5f78fb1 100644
--- a/lib/Frontend/FrontendAction.cpp
+++ b/lib/Frontend/FrontendAction.cpp
@@ -112,7 +112,7 @@
       if (it->getName() == CI.getFrontendOpts().AddPluginActions[i]) {
         llvm::OwningPtr<PluginASTAction> P(it->instantiate());
         FrontendAction* c = P.get();
-        if (P->ParseArgs(CI, CI.getFrontendOpts().PluginArgs))
+        if (P->ParseArgs(CI, CI.getFrontendOpts().AddPluginArgs[i]))
           Consumers.push_back(c->CreateASTConsumer(CI, InFile));
       }
     }