From a780bd01936abce1f0228e737ba5317211e22dad Mon Sep 17 00:00:00 2001
From: Paul Beckingham <paul@beckingham.net>
Date: Sat, 25 Oct 2014 16:15:31 -0400
Subject: [PATCH] CLI

- Implemented ::desugarPlainArgs to upgrade WORD to PATTERN when found in a
  FILTER context.
---
 src/CLI.cpp | 35 +++++++++++++++++++++++++++++++++++
 src/CLI.h   |  1 +
 2 files changed, 36 insertions(+)

diff --git a/src/CLI.cpp b/src/CLI.cpp
index 016e772f6..74998b398 100644
--- a/src/CLI.cpp
+++ b/src/CLI.cpp
@@ -318,6 +318,7 @@ void CLI::analyze ()
   desugarPatterns ();
   desugarIDs ();
   desugarUUIDs ();
+  //desugarPlainArgs ();
   findOperators ();
   insertJunctions ();
 
@@ -1250,6 +1251,40 @@ void CLI::desugarUUIDs ()
   _args = reconstructed;
 }
 
+////////////////////////////////////////////////////////////////////////////////
+void CLI::desugarPlainArgs ()
+{
+  std::vector <A> reconstructed;
+  std::vector <A>::iterator a;
+  for (a = _args.begin (); a != _args.end (); ++a)
+  {
+    if (a->hasTag ("FILTER")      &&
+        ! a->hasTag ("ATTRIBUTE") &&
+        ! a->hasTag ("OP")        &&
+        ! a->hasTag ("LITERAL"))
+    {
+      A lhs ("argPattern", "description");
+      lhs.tag ("ATTRIBUTE");
+      lhs.tag ("FILTER");
+      reconstructed.push_back (lhs);
+
+      A op ("argPattern", "~");
+      op.tag ("OP");
+      op.tag ("FILTER");
+      reconstructed.push_back (op);
+
+      A rhs ("argPattern", "'" + a->attribute ("raw") + "'");
+      rhs.tag ("LITERAL");
+      rhs.tag ("FILTER");
+      reconstructed.push_back (rhs);
+    }
+    else
+      reconstructed.push_back (*a);
+  }
+
+  _args = reconstructed;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 void CLI::findOperators ()
 {
diff --git a/src/CLI.h b/src/CLI.h
index 7e8e5918f..76070721a 100644
--- a/src/CLI.h
+++ b/src/CLI.h
@@ -87,6 +87,7 @@ private:
   void desugarPatterns ();
   void desugarIDs ();
   void desugarUUIDs ();
+  void desugarPlainArgs ();
   void findOperators ();
   void insertJunctions ();
   void decomposeModAttributes ();