3 files changed, 114 insertions, 0 deletions
diff --git a/src/org/clojure/runtime/Cons.java b/src/org/clojure/runtime/Cons.java
new file mode 100644
index 00000000..7b6bbc32
--- /dev/null
+++ b/src/org/clojure/runtime/Cons.java
@@ -0,0 +1,26 @@
+/**
+ *   Copyright (c) Rich Hickey. All rights reserved.
+ *   The use and distribution terms for this software are covered by the
+ *   Common Public License 1.0 (http://opensource.org/licenses/cpl.php)
+ *   which can be found in the file CPL.TXT at the root of this distribution.
+ *   By using this software in any fashion, you are agreeing to be bound by
+ * 	 the terms of this license.
+ *   You must not remove this notice, or any other, from this software.
+ **/
+
+/* rich Mar 25, 2006 11:01:29 AM */
+
+package org.clojure.runtime;
+
+public class Cons{
+
+public Object first;
+public Cons rest;
+
+public Cons(Object first, Cons rest)
+	{
+	this.first = first;
+	this.rest = rest;
+	}
+
+}
diff --git a/src/org/clojure/runtime/Symbol.java b/src/org/clojure/runtime/Symbol.java
new file mode 100644
index 00000000..f115963c
--- /dev/null
+++ b/src/org/clojure/runtime/Symbol.java
@@ -0,0 +1,16 @@
+/**
+ *   Copyright (c) Rich Hickey. All rights reserved.
+ *   The use and distribution terms for this software are covered by the
+ *   Common Public License 1.0 (http://opensource.org/licenses/cpl.php)
+ *   which can be found in the file CPL.TXT at the root of this distribution.
+ *   By using this software in any fashion, you are agreeing to be bound by
+ * 	 the terms of this license.
+ *   You must not remove this notice, or any other, from this software.
+ **/
+
+/* rich Mar 25, 2006 11:42:47 AM */
+
+package org.clojure.runtime;
+
+public class Symbol{
+}
diff --git a/src/org/clojure/runtime/ThreadLocalData.java b/src/org/clojure/runtime/ThreadLocalData.java
new file mode 100644
index 00000000..a011af39
--- /dev/null
+++ b/src/org/clojure/runtime/ThreadLocalData.java
@@ -0,0 +1,72 @@
+/**
+ *   Copyright (c) Rich Hickey. All rights reserved.
+ *   The use and distribution terms for this software are covered by the
+ *   Common Public License 1.0 (http://opensource.org/licenses/cpl.php)
+ *   which can be found in the file CPL.TXT at the root of this distribution.
+ *   By using this software in any fashion, you are agreeing to be bound by
+ * 	 the terms of this license.
+ *   You must not remove this notice, or any other, from this software.
+ **/
+
+/* rich Mar 25, 2006 11:45:22 AM */
+
+package org.clojure.runtime;
+
+import java.util.IdentityHashMap;
+
+public class ThreadLocalData{
+
+final public static int MULTIPLE_VALUES_LIMIT = 20;
+public int mvCount = 0;
+public Object[] mvArray = new Object[MULTIPLE_VALUES_LIMIT];
+
+IdentityHashMap dynamicBindings = new IdentityHashMap();
+
+final public Cons getDynamicBinding(Symbol sym)
+	{
+	return (Cons) dynamicBindings.get(sym);
+	}
+
+final public Cons pushDynamicBinding(Symbol sym, Object val)
+	{
+	Cons ret = new Cons(val, getDynamicBinding(sym));
+	dynamicBindings.put(sym, ret);
+	return ret;
+	}
+
+
+final public Cons popDynamicBinding(Symbol sym)
+	{
+	return (Cons) dynamicBindings.put(sym, getDynamicBinding(sym).rest);
+	}
+
+public ThreadLocalData(IdentityHashMap dynamicBindings)
+	{
+	this.mvCount = 0;
+	this.mvArray = new Object[MULTIPLE_VALUES_LIMIT];
+	this.dynamicBindings = dynamicBindings;
+	}
+
+public ThreadLocalData()
+	{
+	this(new IdentityHashMap());
+	}
+
+public static ThreadLocalData get()
+	{
+	return (ThreadLocalData) tld.get();
+	}
+
+static InheritableThreadLocal tld = new InheritableThreadLocal(){
+	protected Object childValue(Object object)
+		{
+		return new ThreadLocalData((IdentityHashMap) ((ThreadLocalData) object).dynamicBindings.clone());
+		}
+
+	protected Object initialValue()
+		{
+		return new ThreadLocalData();
+		}
+};
+
+}