From aa474227efad1f00e26f762b597a1f18a9cc3be5 Mon Sep 17 00:00:00 2001
From: Frank Duncan <frank@kank.net>
Date: Sun, 1 May 2016 14:44:51 -0500
Subject: [PATCH] Prims - Implement display as placehodler

---
 src/main/nvm/nvm.lisp   | 15 +++++++++++++++
 src/main/package.lisp   |  1 +
 src/main/transpile.lisp |  1 +
 3 files changed, 17 insertions(+)

diff --git a/src/main/nvm/nvm.lisp b/src/main/nvm/nvm.lisp
index c98616a..9ccb80d 100644
--- a/src/main/nvm/nvm.lisp
+++ b/src/main/nvm/nvm.lisp
@@ -188,6 +188,21 @@ DESCRIPTION:
  (clear-patches)
  (clear-ticks))
 
+(defun display ()
+ "DISPLAY => RESULT
+
+ARGUMENTS AND VALUES:
+
+  RESULT: undefined
+
+DESCRIPTION:
+
+  As of yet, this does nothing.  A placeholder method for forced dipslay
+  updates from the engine.
+
+  See http://ccl.northwestern.edu/netlogo/docs/dictionary.html#display"
+ nil)
+
 (defun of (fn agent-or-agentset)
  "OF FN AGENT-OR-AGENTSET => RESULT
 
diff --git a/src/main/package.lisp b/src/main/package.lisp
index f1f5392..07666e7 100644
--- a/src/main/package.lisp
+++ b/src/main/package.lisp
@@ -73,6 +73,7 @@ into an ast that can be transpiled later."))
   #:count
   #:create-turtles
   #:die
+  #:display
   #:hatch
   #:of
   #:forward
diff --git a/src/main/transpile.lisp b/src/main/transpile.lisp
index 554e0cd..8cf44e7 100644
--- a/src/main/transpile.lisp
+++ b/src/main/transpile.lisp
@@ -147,6 +147,7 @@ DESCRIPTION:
 (defsimpleprim :count :reporter clnl-nvm:count)
 (defsimpleprim :crt :command clnl-nvm:create-turtles)
 (defsimpleprim :die :command clnl-nvm:die)
+(defsimpleprim :display :command clnl-nvm:display)
 (defsimpleprim :fd :command clnl-nvm:forward)
 (defsimpleprim :hatch :command clnl-nvm:hatch)
 (defprim :if :command (lambda (pred a) `(when ,pred ,@(make-command-block-inline a))))
-- 
2.25.1