From f705f0fce151863091ad77753105f0d15270edec Mon Sep 17 00:00:00 2001
From: Joel Martin <github@martintribe.org>
Date: Thu, 10 Apr 2014 20:34:29 -0500
Subject: Ruby: step0, step1

---
 ruby/printer.rb | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 ruby/printer.rb

(limited to 'ruby/printer.rb')

diff --git a/ruby/printer.rb b/ruby/printer.rb
new file mode 100644
index 0000000..2d46e07
--- /dev/null
+++ b/ruby/printer.rb
@@ -0,0 +1,23 @@
+require "types"
+
+def _pr_str(obj, print_readably=true)
+    _r = print_readably
+    return case obj
+        when List
+            "(" + obj.map{|x| _pr_str(x, _r)}.join(" ") + ")"
+        when Vector
+            "[" + obj.map{|x| _pr_str(x, _r)}.join(" ") + "]"
+        when String
+            if _r
+                "\"" + obj.gsub(/\\/, "\\\\") \
+                          .gsub(/"/, "\\\\\"") \
+                          .gsub(/\n/, "\\\\n") + "\""
+            else
+                obj
+            end
+        when nil
+            "nil"
+        else
+            obj.to_s
+    end
+end
-- 
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