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diff graal/com.oracle.truffle.api/src/com/oracle/truffle/api/frame/Frame.java @ 9952:5d91b0b67cba

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Introduce Frame.isInitialized in the Truffle API.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Mon, 10 Jun 2013 01:16:33 +0200
parents 0fccad3ce40d
children 494b818b527c
line wrap: on
line diff
--- a/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/frame/Frame.java	Mon Jun 10 01:08:23 2013 +0200
+++ b/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/frame/Frame.java	Mon Jun 10 01:16:33 2013 +0200
@@ -170,4 +170,13 @@
      * @return the new materialized frame
      */
     MaterializedFrame materialize();
+
+    /**
+     * To check whether the given {@link FrameSlot} has been initialized or not. An initialized slot
+     * has previously been read or modified.
+     * 
+     * @param slot the slot
+     * @return true if the slot is uninitialized.
+     */
+    boolean isInitialized(FrameSlot slot);
 }