From 2cab600674ddd27e7037f442eef037bd5ab05c3d Mon Sep 17 00:00:00 2001
From: Paul Beckingham <paul@beckingham.net>
Date: Sun, 14 Jun 2015 16:33:34 -0400
Subject: [PATCH] CLI2: Added ::handleTerminator

- CLI2::handleTerminator removes all terminator arguments it finds
  and downgrades all subsequent arguments to Lexer::Type::word. This
  simplifies all further processing.
---
 src/CLI2.cpp | 32 ++++++++++++++++++++++++++++++++
 src/CLI2.h   |  1 +
 2 files changed, 33 insertions(+)

diff --git a/src/CLI2.cpp b/src/CLI2.cpp
index b3e470b1c..a756a1b67 100644
--- a/src/CLI2.cpp
+++ b/src/CLI2.cpp
@@ -393,6 +393,37 @@ void CLI2::lexArguments ()
     context.debug (dump ("CLI2::analyze lexArguments"));
 }
 
+////////////////////////////////////////////////////////////////////////////////
+void CLI2::handleTerminator ()
+{
+  bool changes = false;
+  bool terminated = false;
+  std::vector <A2> reconstructed;
+  for (auto& a : _args)
+  {
+    if (a._lextype == Lexer::Type::separator)
+    {
+      terminated = true;
+      changes = true;
+    }
+    else
+    {
+      if (terminated)
+        a._lextype = Lexer::Type::word;
+
+      reconstructed.push_back (a);
+    }
+  }
+
+  if (changes)
+  {
+    _args = reconstructed;
+
+    if (context.config.getInteger ("debug.parser") >= 3)
+      context.debug (dump ("CLI2::analyze handleTerminator"));
+  }
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // Intended to be called after ::add() to perform the final analysis.
 void CLI2::analyze ()
@@ -407,6 +438,7 @@ void CLI2::analyze ()
   _args.clear ();
   handleArg0 ();
   lexArguments ();
+  handleTerminator ();
 
   // Process _args.
   aliasExpansion ();
diff --git a/src/CLI2.h b/src/CLI2.h
index 1f244c8e7..85e11528e 100644
--- a/src/CLI2.h
+++ b/src/CLI2.h
@@ -110,6 +110,7 @@ private:
 */
   void handleArg0 ();
   void lexArguments ();
+  void handleTerminator ();
   void aliasExpansion ();
   void findOverrides ();
   void findCommand ();