Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/jdi/LocationImpl.java @ 1913:3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
Summary: Allow CONSTANT_InvokeDynamic nodes to have any number of extra operands.
Reviewed-by: twisti
author | jrose |
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date | Sat, 30 Oct 2010 13:08:23 -0700 |
parents | c18cbe5936b8 |
children | 37be97a58393 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2002, 2003, 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 |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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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.jdi; | |
26 | |
27 import com.sun.jdi.*; | |
28 | |
29 import java.util.*; | |
30 | |
31 public class LocationImpl extends MirrorImpl implements Location { | |
32 private final ReferenceTypeImpl declaringType; | |
33 private Method method; | |
34 private sun.jvm.hotspot.oops.Method methodRef; | |
35 private long codeIndex; | |
36 private LineInfo baseLineInfo = null; | |
37 private LineInfo otherLineInfo = null; | |
38 | |
39 LocationImpl(VirtualMachine vm, | |
40 Method method, long codeIndex) { | |
41 super(vm); | |
42 | |
43 this.method = method; | |
44 this.codeIndex = method.isNative()? -1 : codeIndex; | |
45 this.declaringType = (ReferenceTypeImpl)method.declaringType(); | |
46 } | |
47 | |
48 /* | |
49 * This constructor allows lazy creation of the method mirror. This | |
50 * can be a performance savings if the method mirror does not yet | |
51 * exist. | |
52 */ | |
53 LocationImpl(VirtualMachine vm, ReferenceType declaringType, | |
54 sun.jvm.hotspot.oops.Method methodRef, long codeIndex) { | |
55 super(vm); | |
56 | |
57 this.method = null; | |
58 this.codeIndex = codeIndex; | |
59 this.declaringType = (ReferenceTypeImpl)declaringType; | |
60 this.methodRef = methodRef; | |
61 } | |
62 | |
63 public boolean equals(Object obj) { | |
64 if ((obj != null) && (obj instanceof Location)) { | |
65 Location other = (Location)obj; | |
66 return (method().equals(other.method())) && | |
67 (codeIndex() == other.codeIndex()) && | |
68 super.equals(obj); | |
69 } else { | |
70 return false; | |
71 } | |
72 } | |
73 | |
74 public int hashCode() { | |
75 /* | |
76 * TO DO: better hash code? | |
77 */ | |
78 return method().hashCode() + (int)codeIndex(); | |
79 } | |
80 | |
81 public int compareTo(Object object) { | |
82 LocationImpl other = (LocationImpl)object; | |
83 int rc = method().compareTo(other.method()); | |
84 if (rc == 0) { | |
85 long diff = codeIndex() - other.codeIndex(); | |
86 if (diff < 0) | |
87 return -1; | |
88 else if (diff > 0) | |
89 return 1; | |
90 else | |
91 return 0; | |
92 } | |
93 return rc; | |
94 } | |
95 | |
96 public ReferenceType declaringType() { | |
97 return declaringType; | |
98 } | |
99 | |
100 public Method method() { | |
101 if (method == null) { | |
102 method = declaringType.getMethodMirror(methodRef); | |
103 if (method.isNative()) { | |
104 codeIndex = -1; | |
105 } | |
106 } | |
107 return method; | |
108 } | |
109 | |
110 public long codeIndex() { | |
111 method(); // be sure information is up-to-date | |
112 return codeIndex; | |
113 } | |
114 | |
115 LineInfo getBaseLineInfo(SDE.Stratum stratum) { | |
116 LineInfo lineInfo; | |
117 | |
118 /* check if there is cached info to use */ | |
119 if (baseLineInfo != null) { | |
120 return baseLineInfo; | |
121 } | |
122 | |
123 /* compute the line info */ | |
124 MethodImpl methodImpl = (MethodImpl)method(); | |
125 lineInfo = methodImpl.codeIndexToLineInfo(stratum, | |
126 codeIndex()); | |
127 | |
128 /* cache it */ | |
129 addBaseLineInfo(lineInfo); | |
130 | |
131 return lineInfo; | |
132 } | |
133 | |
134 LineInfo getLineInfo(SDE.Stratum stratum) { | |
135 LineInfo lineInfo; | |
136 | |
137 /* base stratum is done slighly differently */ | |
138 if (stratum.isJava()) { | |
139 return getBaseLineInfo(stratum); | |
140 } | |
141 | |
142 /* check if there is cached info to use */ | |
143 lineInfo = otherLineInfo; // copy because of concurrency | |
144 if (lineInfo != null && | |
145 stratum.id().equals(lineInfo.liStratum())) { | |
146 return lineInfo; | |
147 } | |
148 int baseLineNumber = lineNumber(SDE.BASE_STRATUM_NAME); | |
149 SDE.LineStratum lineStratum = | |
150 stratum.lineStratum(declaringType, baseLineNumber); | |
151 | |
152 if (lineStratum != null && lineStratum.lineNumber() != -1) { | |
153 lineInfo = new StratumLineInfo(stratum.id(), | |
154 lineStratum.lineNumber(), | |
155 lineStratum.sourceName(), | |
156 lineStratum.sourcePath()); | |
157 } else { | |
158 /* find best match */ | |
159 MethodImpl methodImpl = (MethodImpl)method(); | |
160 lineInfo = methodImpl.codeIndexToLineInfo(stratum, | |
161 codeIndex()); | |
162 } | |
163 | |
164 /* cache it */ | |
165 addStratumLineInfo(lineInfo); | |
166 | |
167 return lineInfo; | |
168 } | |
169 | |
170 void addStratumLineInfo(LineInfo lineInfo) { | |
171 otherLineInfo = lineInfo; | |
172 } | |
173 | |
174 void addBaseLineInfo(LineInfo lineInfo) { | |
175 baseLineInfo = lineInfo; | |
176 } | |
177 | |
178 public String sourceName() throws AbsentInformationException { | |
179 return sourceName(vm.getDefaultStratum()); | |
180 } | |
181 | |
182 public String sourceName(String stratumID) | |
183 throws AbsentInformationException { | |
184 return sourceName(declaringType.stratum(stratumID)); | |
185 } | |
186 | |
187 String sourceName(SDE.Stratum stratum) | |
188 throws AbsentInformationException { | |
189 return getLineInfo(stratum).liSourceName(); | |
190 } | |
191 | |
192 public String sourcePath() throws AbsentInformationException { | |
193 return sourcePath(vm.getDefaultStratum()); | |
194 } | |
195 | |
196 public String sourcePath(String stratumID) | |
197 throws AbsentInformationException { | |
198 return sourcePath(declaringType.stratum(stratumID)); | |
199 } | |
200 | |
201 String sourcePath(SDE.Stratum stratum) | |
202 throws AbsentInformationException { | |
203 return getLineInfo(stratum).liSourcePath(); | |
204 } | |
205 | |
206 public int lineNumber() { | |
207 return lineNumber(vm.getDefaultStratum()); | |
208 } | |
209 | |
210 public int lineNumber(String stratumID) { | |
211 return lineNumber(declaringType.stratum(stratumID)); | |
212 } | |
213 | |
214 int lineNumber(SDE.Stratum stratum) { | |
215 return getLineInfo(stratum).liLineNumber(); | |
216 } | |
217 | |
218 public String toString() { | |
219 if (lineNumber() == -1) { | |
220 return method().toString() + "+" + codeIndex(); | |
221 } else { | |
222 return declaringType().name() + ":" + lineNumber(); | |
223 } | |
224 } | |
225 } |