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comparison graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/Node.java @ 14566:6681b9eb3f4c

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Truffle: API cleanup and javadoc for CallNodes.
author Christian Humer <christian.humer@gmail.com>
date Mon, 17 Mar 2014 14:29:45 +0100
parents 5d1308c78ddc
children 6189c1983cd3
comparison
equal deleted inserted replaced
14565:9c01fabfb167 14566:6681b9eb3f4c
79 } 79 }
80 } 80 }
81 this.sourceSection = section; 81 this.sourceSection = section;
82 } 82 }
83 83
84 /**
85 * Returns a rough estimate for the cost of this {@link Node}. This estimate can be used by
86 * runtime systems or guest languages to implement heuristics based on Truffle ASTs. This method
87 * is intended to be overridden by subclasses. The default implementation returns the value of
88 * {@link NodeInfo#cost()} of the {@link NodeInfo} annotation declared at the subclass. If no
89 * {@link NodeInfo} annotation is declared the method returns {@link NodeCost#MONOMORPHIC} as a
90 * default value.
91 */
84 public NodeCost getCost() { 92 public NodeCost getCost() {
85 NodeInfo info = getClass().getAnnotation(NodeInfo.class); 93 NodeInfo info = getClass().getAnnotation(NodeInfo.class);
86 if (info != null) { 94 if (info != null) {
87 return info.cost(); 95 return info.cost();
88 } 96 }