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34
35 package com.sun.tools.example.debug.gui;
36
37 import java.io.*;
38 import java.util.*;
39
40 import javax.swing.*;
41 import javax.swing.tree.*;
42 import javax.swing.event.*;
43 import java.awt.*;
44 import java.awt.event.*;
45
46 import com.sun.jdi.*;
47 import com.sun.tools.example.debug.bdi.*;
48 import com.sun.tools.example.debug.expr.ExpressionParser;
49 import com.sun.tools.example.debug.expr.ParseException;
50
51 public class MonitorTool extends JPanel {
52
53 private ExecutionManager runtime;
54 private ContextManager context;
55
56 private JList list;
57
58 public MonitorTool(Environment env) {
59 super(new BorderLayout());
60 this.runtime = env.getExecutionManager();
61 this.context = env.getContextManager();
62
63 list = new JList(env.getMonitorListModel());
64 list.setCellRenderer(new MonitorRenderer());
65
66 JScrollPane listView = new JScrollPane(list);
67 add(listView);
68
69 MonitorToolListener listener = new MonitorToolListener();
71 list.addListSelectionListener(listener);
72 }
74
75 private class MonitorToolListener implements ListSelectionListener {
76 public void valueChanged(ListSelectionEvent e) {
77 int index = list.getSelectedIndex();
78 if (index != -1) {
79 }
80 }
81 }
82
83 private Value evaluate(String  expr) throws ParseException,
84 InvocationException,
85 InvalidTypeException,
86 ClassNotLoadedException,
87 IncompatibleThreadStateException {
88 ExpressionParser.GetFrame frameGetter =
89 new ExpressionParser.GetFrame() {
90 public StackFrame get()
91 throws IncompatibleThreadStateException
92 {
93 try {
94 return context.getCurrentFrame();
95 } catch (VMNotInterruptedException exc) {
96 throw new IncompatibleThreadStateException();
97 }
98 }
99 };
100 return ExpressionParser.evaluate(expr, runtime.vm(), frameGetter);
101 }
102
103 private class MonitorRenderer extends DefaultListCellRenderer {
104
105 public Component getListCellRendererComponent(JList list,
106 Object value,
107 int index,
108 boolean isSelected,
109 boolean cellHasFocus) {
110
111
116 super.getListCellRendererComponent(list, value, index,
117 isSelected, cellHasFocus);
118 if (value == null) {
119 this.setText("<unavailable>");
120 } else {
121 String expr = (String )value;
122 try {
123 Value result = evaluate(expr);
124 this.setText(expr + " = " + result);
125 } catch (ParseException exc) {
126 this.setText(expr + " ? " + exc.getMessage());
127 } catch (IncompatibleThreadStateException exc) {
128 this.setText(expr + " ...");
129 } catch (Exception exc) {
130 this.setText(expr + " ? " + exc);
131 }
132 }
133 return this;
134 }
135 }
136 }
137 |
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