Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/tools/soql/SOQL.java @ 17524:89152779163c
Merge with jdk8-b132
| author | Gilles Duboscq <duboscq@ssw.jku.at> |
|---|---|
| date | Wed, 15 Oct 2014 11:59:32 +0200 |
| parents | 4ca6dc0799b6 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 17524 | 2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.tools.soql; | |
| 26 | |
| 27 import java.io.*; | |
| 28 import java.util.*; | |
| 29 import sun.jvm.hotspot.debugger.*; | |
| 30 import sun.jvm.hotspot.oops.*; | |
| 31 import sun.jvm.hotspot.runtime.*; | |
| 32 import sun.jvm.hotspot.tools.*; | |
| 33 import sun.jvm.hotspot.utilities.*; | |
| 34 import sun.jvm.hotspot.utilities.soql.*; | |
| 35 | |
| 36 /** | |
| 37 This is command line SOQL (Simple Object Query Language) interpreter. | |
| 38 */ | |
| 39 | |
| 40 public class SOQL extends Tool { | |
| 41 public static void main(String[] args) { | |
| 42 SOQL soql = new SOQL(); | |
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43 soql.execute(args); |
| 0 | 44 } |
| 45 | |
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46 public SOQL() { |
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47 super(); |
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48 } |
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49 |
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50 public SOQL(JVMDebugger d) { |
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51 super(d); |
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52 } |
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53 |
| 0 | 54 protected SOQLEngine soqlEngine; |
| 55 protected BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); | |
| 56 protected PrintStream out = System.out; | |
| 57 static protected String prompt = "soql> "; | |
| 58 static protected String secondPrompt = "> "; | |
| 59 | |
| 60 public void run() { | |
| 61 soqlEngine = SOQLEngine.getEngine(); | |
| 62 while (true) { | |
| 63 try { | |
| 64 out.print(prompt); | |
| 65 String line = in.readLine(); | |
| 66 if (line == null) { | |
| 67 return; | |
| 68 } | |
| 69 StringTokenizer st = new StringTokenizer(line); | |
| 70 if (st.hasMoreTokens()) { | |
| 71 String cmd = st.nextToken(); | |
| 72 if (cmd.equals("select")) { | |
| 73 handleSelect(line); | |
| 74 } else if (cmd.equals("classes")) { | |
| 75 handleClasses(line); | |
| 76 } else if (cmd.equals("class")) { | |
| 77 handleClass(line); | |
| 78 } else if (cmd.equals("object")) { | |
| 79 handleObject(line); | |
| 80 } else if (cmd.equals("quit")) { | |
| 81 out.println("Bye!"); | |
| 82 return; | |
| 83 } else if (cmd.equals("")) { | |
| 84 // do nothing ... | |
| 85 } else { | |
| 86 handleUnknown(line); | |
| 87 } | |
| 88 } | |
| 89 } catch (IOException e) { | |
| 90 e.printStackTrace(); | |
| 91 return; | |
| 92 } | |
| 93 } | |
| 94 } | |
| 95 | |
| 96 protected void handleSelect(String query) { | |
| 97 StringBuffer buf = new StringBuffer(query); | |
| 98 String tmp = null; | |
| 99 while (true) { | |
| 100 out.print(secondPrompt); | |
| 101 try { | |
| 102 tmp = in.readLine(); | |
| 103 } catch (IOException ioe) { | |
| 104 break; | |
| 105 } | |
| 106 if (tmp.equals("") || tmp.equals("go")) | |
| 107 break; | |
| 108 buf.append('\n'); | |
| 109 buf.append(tmp); | |
| 110 } | |
| 111 query = buf.toString(); | |
| 112 | |
| 113 try { | |
| 114 soqlEngine.executeQuery(query, | |
| 115 new ObjectVisitor() { | |
| 116 public void visit(Object o) { | |
| 117 if (o != null && o instanceof JSJavaObject) { | |
| 118 String oopAddr = ((JSJavaObject)o).getOop().getHandle().toString(); | |
| 119 out.println(oopAddr); | |
| 120 } else { | |
| 121 out.println((o == null)? "null" : o.toString()); | |
| 122 } | |
| 123 } | |
| 124 }); | |
| 125 } catch (SOQLException se) { | |
| 126 se.printStackTrace(); | |
| 127 } | |
| 128 } | |
| 129 | |
| 130 protected void handleClasses(String line) { | |
| 131 // just list all InstanceKlasses | |
| 132 InstanceKlass[] klasses = SystemDictionaryHelper.getAllInstanceKlasses(); | |
| 133 for (int i = 0; i < klasses.length; i++) { | |
| 134 out.print(klasses[i].getName().asString().replace('/', '.')); | |
| 135 out.print(" @"); | |
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136 out.println(klasses[i].getAddress()); |
| 0 | 137 } |
| 138 } | |
| 139 | |
| 140 protected void handleClass(String line) { | |
| 141 StringTokenizer st = new StringTokenizer(line); | |
| 142 st.nextToken(); // ignore "class" | |
| 143 if (st.hasMoreTokens()) { | |
| 144 String className = st.nextToken(); | |
| 145 InstanceKlass klass = SystemDictionaryHelper.findInstanceKlass(className); | |
| 146 if (klass == null) { | |
| 147 out.println("class " + className + " not found"); | |
| 148 } else { | |
| 149 // klass.iterate(new OopPrinter(out), true); | |
| 150 | |
| 151 // base class | |
| 152 InstanceKlass base = (InstanceKlass) klass.getSuper(); | |
| 153 if (base != null) { | |
| 154 out.println("super"); | |
| 155 out.print("\t"); | |
| 156 out.println(base.getName().asString().replace('/', '.')); | |
| 157 } | |
| 158 | |
| 159 // list immediate fields only | |
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160 U2Array fields = klass.getFields(); |
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161 int numFields = (int) fields.length(); |
| 0 | 162 ConstantPool cp = klass.getConstants(); |
| 163 out.println("fields"); | |
| 164 if (numFields != 0) { | |
| 3938 | 165 for (int f = 0; f < numFields; f++){ |
| 166 Symbol f_name = klass.getFieldName(f); | |
| 167 Symbol f_sig = klass.getFieldSignature(f); | |
| 0 | 168 StringBuffer sigBuf = new StringBuffer(); |
| 169 new SignatureConverter(f_sig, sigBuf).dispatchField(); | |
| 170 out.print('\t'); | |
| 171 out.print(sigBuf.toString().replace('/', '.')); | |
| 172 out.print(' '); | |
| 173 out.println(f_name.asString()); | |
| 174 } | |
| 175 } else { | |
| 176 out.println("\tno fields in this class"); | |
| 177 } | |
| 178 } | |
| 179 } else { | |
| 180 out.println("usage: class <name of the class>"); | |
| 181 } | |
| 182 } | |
| 183 | |
| 184 protected Oop getOopAtAddress(Address addr) { | |
| 185 OopHandle oopHandle = addr.addOffsetToAsOopHandle(0); | |
| 186 return VM.getVM().getObjectHeap().newOop(oopHandle); | |
| 187 } | |
| 188 | |
| 189 protected void handleObject(String line) { | |
| 190 StringTokenizer st = new StringTokenizer(line); | |
| 191 st.nextToken(); // ignore "object" | |
| 192 if (st.hasMoreTokens()) { | |
| 193 String addrStr = st.nextToken(); | |
| 194 Address addr = null; | |
| 195 Debugger dbg = VM.getVM().getDebugger(); | |
| 196 try { | |
| 197 addr = dbg.parseAddress(addrStr); | |
| 198 } catch (Exception e) { | |
| 199 out.println("invalid address : " + e.getMessage()); | |
| 200 return; | |
| 201 } | |
| 202 | |
| 203 Oop oop = null; | |
| 204 try { | |
| 205 oop = getOopAtAddress(addr); | |
| 206 } catch (Exception e) { | |
| 207 out.println("invalid object : " + e.getMessage()); | |
| 208 } | |
| 209 | |
| 210 if (oop != null) { | |
| 211 oop.iterate(new OopPrinter(out), true); | |
| 212 } else { | |
| 213 out.println("null object!"); | |
| 214 } | |
| 215 } else { | |
| 216 out.println("usage: object <address>"); | |
| 217 } | |
| 218 } | |
| 219 | |
| 220 protected void handleUnknown(String line) { | |
| 221 out.println("Unknown command!"); | |
| 222 } | |
| 223 } |