| /* |
| * Copyright (c) 2001, 2002, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| package sun.jvm.hotspot.bugspot; |
| |
| import java.awt.*; |
| import javax.swing.*; |
| import java.util.*; |
| import sun.jvm.hotspot.debugger.*; |
| import sun.jvm.hotspot.debugger.cdbg.*; |
| import sun.jvm.hotspot.bugspot.tree.*; |
| import sun.jvm.hotspot.oops.*; |
| import sun.jvm.hotspot.runtime.*; |
| import sun.jvm.hotspot.ui.tree.*; |
| import sun.jvm.hotspot.ui.treetable.*; |
| |
| /** Manages display of a set of local variables in a frame, or the |
| contents of the "this" pointer */ |
| |
| public class VariablePanel extends JPanel { |
| private JTreeTable treeTable; |
| private SimpleTreeTableModel model; |
| private SimpleTreeGroupNode root; |
| |
| public VariablePanel() { |
| super(); |
| |
| model = new SimpleTreeTableModel(); |
| model.setValuesEditable(false); |
| root = new SimpleTreeGroupNode(); |
| model.setRoot(root); |
| treeTable = new JTreeTable(model); |
| treeTable.setRootVisible(false); |
| treeTable.setShowsRootHandles(true); |
| treeTable.setShowsIcons(false); |
| treeTable.setTreeEditable(false); |
| treeTable.getTableHeader().setReorderingAllowed(false); |
| treeTable.setCellSelectionEnabled(true); |
| treeTable.setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION); |
| treeTable.setDragEnabled(true); |
| JScrollPane sp = new JScrollPane(treeTable); |
| sp.getViewport().setBackground(Color.white); |
| |
| setLayout(new BorderLayout()); |
| add(sp, BorderLayout.CENTER); |
| } |
| |
| /** Clear the contents of this VariablePanel */ |
| public void clear() { |
| root.removeAllChildren(); |
| model.fireTreeStructureChanged(); |
| } |
| |
| /** Update the contents of this VariablePanel from the given CFrame */ |
| public void update(CFrame fr) { |
| // Collect locals |
| CCollector coll = new CCollector(); |
| fr.iterateLocals(coll); |
| update(coll); |
| } |
| |
| /** Update the contents of this VariablePanel from the given JavaVFrame */ |
| public void update(JavaVFrame jfr) { |
| Method m = jfr.getMethod(); |
| if (!m.hasLocalVariableTable()) { |
| return; |
| } |
| int bci = jfr.getBCI(); |
| // Get local variable table |
| LocalVariableTableElement[] locals = m.getLocalVariableTable(); |
| // Get locals as StackValueCollection |
| StackValueCollection coll = jfr.getLocals(); |
| root.removeAllChildren(); |
| // See which locals are live |
| for (int i = 0; i < locals.length; i++) { |
| LocalVariableTableElement local = locals[i]; |
| if (local.getStartBCI() <= bci && bci < local.getStartBCI() + local.getLength()) { |
| // Valid; add it |
| SimpleTreeNode node = null; |
| Symbol name = null; |
| try { |
| name = m.getConstants().getSymbolAt(local.getNameCPIndex()); |
| if (name == null) { |
| System.err.println("Null name at slot " + |
| local.getNameCPIndex() + |
| " for local variable at slot " + |
| local.getSlot()); |
| continue; |
| } |
| } catch (Exception e) { |
| System.err.println("Unable to fetch name at slot " + |
| local.getNameCPIndex() + |
| " for local variable at slot " + |
| local.getSlot()); |
| e.printStackTrace(); |
| continue; |
| } |
| sun.jvm.hotspot.oops.NamedFieldIdentifier f = |
| new sun.jvm.hotspot.oops.NamedFieldIdentifier(name.asString()); |
| Symbol descriptor = null; |
| try { |
| descriptor = m.getConstants().getSymbolAt(local.getDescriptorCPIndex()); |
| } catch (Exception e) { |
| System.err.println("Unable to fetch descriptor at slot " + |
| local.getDescriptorCPIndex() + |
| " for local variable " + f.getName() + |
| " at slot " + local.getSlot()); |
| e.printStackTrace(); |
| continue; |
| } |
| |
| if (descriptor != null) { |
| switch (descriptor.getByteAt(0)) { |
| case 'F': { |
| node = new sun.jvm.hotspot.ui.tree.FloatTreeNodeAdapter(coll.floatAt(local.getSlot()), f, true); |
| break; |
| } |
| case 'D': { |
| node = new sun.jvm.hotspot.ui.tree.DoubleTreeNodeAdapter(coll.doubleAt(local.getSlot()), f, true); |
| break; |
| } |
| case 'C': { |
| node = new sun.jvm.hotspot.ui.tree.CharTreeNodeAdapter((char) coll.intAt(local.getSlot()), f, true); |
| break; |
| } |
| case 'B': |
| case 'S': |
| case 'I': { |
| node = new sun.jvm.hotspot.ui.tree.LongTreeNodeAdapter(coll.intAt(local.getSlot()), f, true); |
| break; |
| } |
| case 'Z': { |
| node = new sun.jvm.hotspot.ui.tree.BooleanTreeNodeAdapter( |
| ((coll.intAt(local.getSlot()) != 0) ? true : false), f, true |
| ); |
| break; |
| } |
| case 'J': { |
| node = new sun.jvm.hotspot.ui.tree.LongTreeNodeAdapter(coll.longAt(local.getSlot()), f, true); |
| break; |
| } |
| default: { |
| try { |
| node = new sun.jvm.hotspot.ui.tree.OopTreeNodeAdapter( |
| VM.getVM().getObjectHeap().newOop(coll.oopHandleAt(local.getSlot())), f, true |
| ); |
| } catch (AddressException e) { |
| node = new sun.jvm.hotspot.ui.tree.FieldTreeNodeAdapter(f, true) { |
| public int getChildCount() { return 0; } |
| public SimpleTreeNode getChild(int i) { return null; } |
| public boolean isLeaf() { return false; } |
| public int getIndexOfChild(SimpleTreeNode child) { return 0; } |
| public String getValue() { |
| return "<Bad oop>"; |
| } |
| }; |
| } |
| break; |
| } |
| } |
| if (node != null) { |
| root.addChild(node); |
| } |
| } |
| } |
| } |
| |
| model.fireTreeStructureChanged(); |
| } |
| |
| /** Update the contents of this VariablePanel from the given "this" |
| pointer of the given type */ |
| public void update(Address thisAddr, Type type) { |
| // Collect fields |
| CCollector coll = new CCollector(); |
| type.iterateObject(thisAddr, coll); |
| update(coll); |
| } |
| |
| private void update(CCollector coll) { |
| root.removeAllChildren(); |
| for (int i = 0; i < coll.getNumChildren(); i++) { |
| root.addChild(coll.getChild(i)); |
| } |
| model.fireTreeStructureChanged(); |
| } |
| |
| static class CCollector extends DefaultObjectVisitor { |
| private java.util.List children; |
| |
| public CCollector() { |
| children = new ArrayList(); |
| } |
| |
| public int getNumChildren() { |
| return children.size(); |
| } |
| |
| public SimpleTreeNode getChild(int i) { |
| return (SimpleTreeNode) children.get(i); |
| } |
| |
| public void doBit(sun.jvm.hotspot.debugger.cdbg.FieldIdentifier f, long val) { |
| children.add(new sun.jvm.hotspot.bugspot.tree.LongTreeNodeAdapter(val, f, true)); |
| } |
| public void doInt(sun.jvm.hotspot.debugger.cdbg.FieldIdentifier f, long val) { |
| children.add(new sun.jvm.hotspot.bugspot.tree.LongTreeNodeAdapter(val, f, true)); |
| } |
| public void doEnum(sun.jvm.hotspot.debugger.cdbg.FieldIdentifier f, long val, String enumName) { |
| children.add(new sun.jvm.hotspot.bugspot.tree.EnumTreeNodeAdapter(enumName, val, f, true)); |
| } |
| public void doFloat(sun.jvm.hotspot.debugger.cdbg.FieldIdentifier f, float val) { |
| children.add(new sun.jvm.hotspot.bugspot.tree.FloatTreeNodeAdapter(val, f, true)); |
| } |
| public void doDouble(sun.jvm.hotspot.debugger.cdbg.FieldIdentifier f, double val) { |
| children.add(new sun.jvm.hotspot.bugspot.tree.DoubleTreeNodeAdapter(val, f, true)); |
| } |
| public void doPointer(sun.jvm.hotspot.debugger.cdbg.FieldIdentifier f, Address val) { |
| children.add(new sun.jvm.hotspot.bugspot.tree.AddressTreeNodeAdapter(val, f, true)); |
| } |
| public void doArray(sun.jvm.hotspot.debugger.cdbg.FieldIdentifier f, Address val) { |
| children.add(new sun.jvm.hotspot.bugspot.tree.AddressTreeNodeAdapter(val, f, true)); |
| } |
| public void doRef(sun.jvm.hotspot.debugger.cdbg.FieldIdentifier f, Address val) { |
| children.add(new sun.jvm.hotspot.bugspot.tree.AddressTreeNodeAdapter(val, f, true)); |
| } |
| public void doCompound(sun.jvm.hotspot.debugger.cdbg.FieldIdentifier f, Address val) { |
| children.add(new sun.jvm.hotspot.bugspot.tree.ObjectTreeNodeAdapter(val, f, true)); |
| } |
| } |
| } |
