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comparison graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/Node.java @ 9256:9640bb930327

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Preserve the source section during node rewrites.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Tue, 23 Apr 2013 15:07:47 +0200
parents cdf10fb20022
children ba02d19dd3cc
comparison
equal deleted inserted replaced
9255:cdf10fb20022 9256:9640bb930327
133 public final Node getParent() { 133 public final Node getParent() {
134 return parent; 134 return parent;
135 } 135 }
136 136
137 /** 137 /**
138 * Replaces this node with another node. 138 * Replaces this node with another node. If there is a source section (see
139 * {@link #getSourceSection()}) associated with this node, it is transferred to the new node.
139 * 140 *
140 * @param newNode the new node that is the replacement 141 * @param newNode the new node that is the replacement
141 * @param reason a description of the reason for the replacement 142 * @param reason a description of the reason for the replacement
142 * @return the new node 143 * @return the new node
143 */ 144 */
144 @SuppressWarnings({"unchecked"}) 145 @SuppressWarnings({"unchecked"})
145 public final <T extends Node> T replace(T newNode, String reason) { 146 public final <T extends Node> T replace(T newNode, String reason) {
146 assert this.getParent() != null; 147 assert this.getParent() != null;
148 if (sourceSection != null) {
149 // Pass on the source section to the new node.
150 newNode.assignSourceSection(sourceSection);
151 }
147 return (T) this.getParent().replaceChild(this, newNode); 152 return (T) this.getParent().replaceChild(this, newNode);
148 } 153 }
149 154
150 private <T extends Node> T replaceChild(T oldChild, T newChild) { 155 private <T extends Node> T replaceChild(T oldChild, T newChild) {
151 NodeUtil.replaceChild(this, oldChild, newChild); 156 NodeUtil.replaceChild(this, oldChild, newChild);
152 adoptChild(newChild); 157 adoptChild(newChild);
153 return newChild; 158 return newChild;
154 } 159 }
155 160
156 /** 161 /**
157 * Replaces this node with another node. 162 * Replaces this node with another node. If there is a source section (see
163 * {@link #getSourceSection()}) associated with this node, it is transferred to the new node.
158 * 164 *
159 * @param newNode the new node that is the replacement 165 * @param newNode the new node that is the replacement
160 * @return the new node 166 * @return the new node
161 */ 167 */
162 public final <T extends Node> T replace(T newNode) { 168 public final <T extends Node> T replace(T newNode) {