diff -r 0c3bcd50e361 -r a350c2cc736a jitcraft/TypeManager.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jitcraft/TypeManager.cpp	Fri Jun 29 19:35:17 2012 -0700
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2012 David Anderson
+ *
+ * This file is part of JITCraft.
+ *
+ * JITCraft is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by the Free
+ * Software Foundation, either version 3 of the License, or (at your option)
+ * any later version.
+ * 
+ * Foobar is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * JITCraft. If not, see http://www.gnu.org/licenses/.
+ */
+#include "Types.h"
+#include "TypeManager.h"
+
+using namespace jc;
+
+
+TypeManager::TypeManager(Zone *zone)
+  : zone_(zone)
+{
+}
+
+bool
+TypeManager::initialize()
+{
+    if ((primitiveTypes_[PrimitiveType_Int32] = Type::NewPrimitive(zone_, NULL)) == NULL)
+        return false;
+    if ((primitiveTypes_[PrimitiveType_Float] = Type::NewPrimitive(zone_, "Float")) == NULL)
+        return false;
+    return true;
+}
+
+Type *
+TypeManager::getPrimitiveForTag(Name *tag)
+{
+    if (tag == NULL)
+        return getPrimitive(PrimitiveType_Int32);
+    if (strcmp(tag, "Float") == 0)
+        return getPrimitive(PrimitiveType_Float);
+    assert(!"tag cache");
+    return NULL;
+}
+
+Type *
+TypeManager::unsafeArray(Type *contained, int elements)
+{
+    // :TODO: cache this.
+    return Type::NewUnsafeArray(zone_, contained, elements);
+}