Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/jdi/JNITypeParser.java @ 18665:96861e3f8cc5
made CFGPrinterObserver reset (upon close) properly
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 11 Dec 2014 22:14:30 +0100 |
parents | c18cbe5936b8 |
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rev | line source |
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0 | 1 /* |
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6941466: Oracle rebranding changes for Hotspot repositories
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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 java.util.List; | |
28 import java.util.ArrayList; | |
29 | |
30 public class JNITypeParser { | |
31 | |
32 static final char SIGNATURE_ENDCLASS = ';'; | |
33 static final char SIGNATURE_FUNC = '('; | |
34 static final char SIGNATURE_ENDFUNC = ')'; | |
35 | |
36 private String signature; | |
37 private List typeNameList; | |
38 private List signatureList; | |
39 private int currentIndex; | |
40 | |
41 JNITypeParser(String signature) { | |
42 this.signature = signature; | |
43 } | |
44 | |
45 static String typeNameToSignature(String signature) { | |
46 StringBuffer buffer = new StringBuffer(); | |
47 int firstIndex = signature.indexOf('['); | |
48 int index = firstIndex; | |
49 while (index != -1) { | |
50 buffer.append('['); | |
51 index = signature.indexOf('[', index + 1); | |
52 } | |
53 | |
54 if (firstIndex != -1) { | |
55 signature = signature.substring(0, firstIndex); | |
56 } | |
57 | |
58 if (signature.equals("boolean")) { | |
59 buffer.append('Z'); | |
60 } else if (signature.equals("byte")) { | |
61 buffer.append('B'); | |
62 } else if (signature.equals("char")) { | |
63 buffer.append('C'); | |
64 } else if (signature.equals("short")) { | |
65 buffer.append('S'); | |
66 } else if (signature.equals("int")) { | |
67 buffer.append('I'); | |
68 } else if (signature.equals("long")) { | |
69 buffer.append('J'); | |
70 } else if (signature.equals("float")) { | |
71 buffer.append('F'); | |
72 } else if (signature.equals("double")) { | |
73 buffer.append('D'); | |
74 } else { | |
75 buffer.append('L'); | |
76 buffer.append(signature.replace('.', '/')); | |
77 buffer.append(';'); | |
78 } | |
79 | |
80 return buffer.toString(); | |
81 } | |
82 | |
83 String typeName() { | |
84 return (String)typeNameList().get(typeNameList().size()-1); | |
85 } | |
86 | |
87 List argumentTypeNames() { | |
88 return typeNameList().subList(0, typeNameList().size() - 1); | |
89 } | |
90 | |
91 String signature() { | |
92 return (String)signatureList().get(signatureList().size()-1); | |
93 } | |
94 | |
95 List argumentSignatures() { | |
96 return signatureList().subList(0, signatureList().size() - 1); | |
97 } | |
98 | |
99 int dimensionCount() { | |
100 int count = 0; | |
101 String signature = signature(); | |
102 while (signature.charAt(count) == '[') { | |
103 count++; | |
104 } | |
105 return count; | |
106 } | |
107 | |
108 String componentSignature(int level) { | |
109 return signature().substring(level); | |
110 } | |
111 | |
112 private synchronized List signatureList() { | |
113 if (signatureList == null) { | |
114 signatureList = new ArrayList(10); | |
115 String elem; | |
116 | |
117 currentIndex = 0; | |
118 | |
119 while(currentIndex < signature.length()) { | |
120 elem = nextSignature(); | |
121 signatureList.add(elem); | |
122 } | |
123 if (signatureList.size() == 0) { | |
124 throw new IllegalArgumentException("Invalid JNI signature '" + | |
125 signature + "'"); | |
126 } | |
127 } | |
128 return signatureList; | |
129 } | |
130 | |
131 private synchronized List typeNameList() { | |
132 if (typeNameList == null) { | |
133 typeNameList = new ArrayList(10); | |
134 String elem; | |
135 | |
136 currentIndex = 0; | |
137 | |
138 while(currentIndex < signature.length()) { | |
139 elem = nextTypeName(); | |
140 typeNameList.add(elem); | |
141 } | |
142 if (typeNameList.size() == 0) { | |
143 throw new IllegalArgumentException("Invalid JNI signature '" + | |
144 signature + "'"); | |
145 } | |
146 } | |
147 return typeNameList; | |
148 } | |
149 | |
150 private String nextSignature() { | |
151 char key = signature.charAt(currentIndex++); | |
152 | |
153 switch(key) { | |
154 case '[': | |
155 return key + nextSignature(); | |
156 | |
157 case 'L': | |
158 int endClass = signature.indexOf(SIGNATURE_ENDCLASS, | |
159 currentIndex); | |
160 String retVal = signature.substring(currentIndex - 1, | |
161 endClass + 1); | |
162 currentIndex = endClass + 1; | |
163 return retVal; | |
164 | |
165 case 'V': | |
166 case 'Z': | |
167 case 'B': | |
168 case 'C': | |
169 case 'S': | |
170 case 'I': | |
171 case 'J': | |
172 case 'F': | |
173 case 'D': | |
174 return String.valueOf(key); | |
175 | |
176 case SIGNATURE_FUNC: | |
177 case SIGNATURE_ENDFUNC: | |
178 return nextSignature(); | |
179 | |
180 default: | |
181 throw new IllegalArgumentException( | |
182 "Invalid JNI signature character '" + key + "'"); | |
183 | |
184 } | |
185 } | |
186 | |
187 private String nextTypeName() { | |
188 char key = signature.charAt(currentIndex++); | |
189 | |
190 switch(key) { | |
191 case '[': | |
192 return nextTypeName() + "[]"; | |
193 | |
194 case 'B': | |
195 return "byte"; | |
196 | |
197 case 'C': | |
198 return "char"; | |
199 | |
200 case 'L': | |
201 int endClass = signature.indexOf(SIGNATURE_ENDCLASS, | |
202 currentIndex); | |
203 String retVal = signature.substring(currentIndex, | |
204 endClass); | |
205 retVal = retVal.replace('/','.'); | |
206 currentIndex = endClass + 1; | |
207 return retVal; | |
208 | |
209 case 'F': | |
210 return "float"; | |
211 | |
212 case 'D': | |
213 return "double"; | |
214 | |
215 case 'I': | |
216 return "int"; | |
217 | |
218 case 'J': | |
219 return "long"; | |
220 | |
221 case 'S': | |
222 return "short"; | |
223 | |
224 case 'V': | |
225 return "void"; | |
226 | |
227 case 'Z': | |
228 return "boolean"; | |
229 | |
230 case SIGNATURE_ENDFUNC: | |
231 case SIGNATURE_FUNC: | |
232 return nextTypeName(); | |
233 | |
234 default: | |
235 throw new IllegalArgumentException( | |
236 "Invalid JNI signature character '" + key + "'"); | |
237 | |
238 } | |
239 } | |
240 } |