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comparison graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/RootNode.java @ 18311:3343ed66de79

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Truffle: RootNode#getExecutionContext.
author Chris Seaton <chris.seaton@oracle.com>
date Sun, 09 Nov 2014 00:54:15 +0000
parents be1316e633b5
children 656331a61829
comparison
equal deleted inserted replaced
18310:36fb9592c13b 18311:3343ed66de79
105 105
106 public final void setCallTarget(RootCallTarget callTarget) { 106 public final void setCallTarget(RootCallTarget callTarget) {
107 this.callTarget = callTarget; 107 this.callTarget = callTarget;
108 } 108 }
109 109
110 /**
111 * Returns the {@link ExecutionContext} associated with this <code>RootNode</code>. This allows
112 * the correct <code>ExecutionContext</code> to be determined for a <code>RootNode</code> (and
113 * so also for a {@link RootCallTarget} and a {@link FrameInstance} obtained from the call
114 * stack) without prior knowledge of the language it has come from.
115 *
116 * Used for instance to determine the language of a <code>RootNode<code>:
117 *
118 * <pre>
119 * <code>
120 * rootNode.getExecutionContext().getLanguageShortName();
121 * </code> </pre>
122 *
123 * Returns <code>null</code> by default.
124 */
125 public ExecutionContext getExecutionContext() {
126 return null;
127 }
128
110 } 129 }