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Fixed a rare exception seen when the Symbol Tree is searching for a node

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while its program is closed
This commit is contained in:
dragonmacher 2024-09-21 12:01:59 -04:00
parent 5a981057a7
commit 1862a7e559
1 changed files with 25 additions and 9 deletions
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34
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/symboltree/SymbolTreeProvider.java
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@ -4,9 +4,9 @@
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*
* http://www.apache.org/licenses/LICENSE-2.0
*
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@ -39,8 +39,7 @@ import docking.widgets.tree.tasks.GTreeBulkTask;
import generic.theme.GIcon;
import ghidra.app.plugin.core.symboltree.actions.*;
import ghidra.app.plugin.core.symboltree.nodes.*;
import ghidra.framework.model.DomainObjectListener;
import ghidra.framework.model.DomainObjectListenerBuilder;
import ghidra.framework.model.*;
import ghidra.framework.options.SaveState;
import ghidra.framework.plugintool.ComponentProviderAdapter;
import ghidra.framework.plugintool.PluginTool;
@ -391,6 +390,7 @@ public class SymbolTreeProvider extends ComponentProviderAdapter {
}
void programClosed(Program closedProgram) {
tree.cancelWork();
treeStateMap.remove(closedProgram);
}
@ -511,6 +511,10 @@ public class SymbolTreeProvider extends ComponentProviderAdapter {
return;
}
if (!isVisible()) {
return;
}
Symbol symbol = null;
Address addr = loc.getAddress();
if (loc instanceof VariableLocation) {
@ -674,11 +678,23 @@ public class SymbolTreeProvider extends ComponentProviderAdapter {
@Override
public void run(TaskMonitor monitor) throws CancelledException {
monitor.setMessage("Searching for " + searchSymbol.getName());
SymbolNode key = SymbolNode.createNode(searchSymbol, program);
GTreeNode node = rootNode.findSymbolTreeNode(key, true, monitor);
if (node != null) {
tree.setSelectedNode(node);
try {
monitor.setMessage("Searching for " + searchSymbol.getName());
SymbolNode key = SymbolNode.createNode(searchSymbol, program);
GTreeNode node = rootNode.findSymbolTreeNode(key, true, monitor);
if (node != null) {
tree.setSelectedNode(node);
}
}
catch (DomainObjectException doe) {
// We have seen this happen if this task is searching for symbols and the program is
// closed. The code has been updated to cancel the tree work as the program is
// being closed. We are keeping this here to guard against another unseen path into
// this type of exception.
Throwable cause = doe.getCause();
if (!(cause instanceof ClosedException)) {
throw doe;
}
}
}
}