| /* |
| * Copyright (c) 2002, 2003, 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.jdi; |
| |
| import java.util.List; |
| import java.util.ArrayList; |
| |
| public class JNITypeParser { |
| |
| static final char SIGNATURE_ENDCLASS = ';'; |
| static final char SIGNATURE_FUNC = '('; |
| static final char SIGNATURE_ENDFUNC = ')'; |
| |
| private String signature; |
| private List typeNameList; |
| private List signatureList; |
| private int currentIndex; |
| |
| JNITypeParser(String signature) { |
| this.signature = signature; |
| } |
| |
| static String typeNameToSignature(String signature) { |
| StringBuffer buffer = new StringBuffer(); |
| int firstIndex = signature.indexOf('['); |
| int index = firstIndex; |
| while (index != -1) { |
| buffer.append('['); |
| index = signature.indexOf('[', index + 1); |
| } |
| |
| if (firstIndex != -1) { |
| signature = signature.substring(0, firstIndex); |
| } |
| |
| if (signature.equals("boolean")) { |
| buffer.append('Z'); |
| } else if (signature.equals("byte")) { |
| buffer.append('B'); |
| } else if (signature.equals("char")) { |
| buffer.append('C'); |
| } else if (signature.equals("short")) { |
| buffer.append('S'); |
| } else if (signature.equals("int")) { |
| buffer.append('I'); |
| } else if (signature.equals("long")) { |
| buffer.append('J'); |
| } else if (signature.equals("float")) { |
| buffer.append('F'); |
| } else if (signature.equals("double")) { |
| buffer.append('D'); |
| } else { |
| buffer.append('L'); |
| buffer.append(signature.replace('.', '/')); |
| buffer.append(';'); |
| } |
| |
| return buffer.toString(); |
| } |
| |
| String typeName() { |
| return (String)typeNameList().get(typeNameList().size()-1); |
| } |
| |
| List argumentTypeNames() { |
| return typeNameList().subList(0, typeNameList().size() - 1); |
| } |
| |
| String signature() { |
| return (String)signatureList().get(signatureList().size()-1); |
| } |
| |
| List argumentSignatures() { |
| return signatureList().subList(0, signatureList().size() - 1); |
| } |
| |
| int dimensionCount() { |
| int count = 0; |
| String signature = signature(); |
| while (signature.charAt(count) == '[') { |
| count++; |
| } |
| return count; |
| } |
| |
| String componentSignature(int level) { |
| return signature().substring(level); |
| } |
| |
| private synchronized List signatureList() { |
| if (signatureList == null) { |
| signatureList = new ArrayList(10); |
| String elem; |
| |
| currentIndex = 0; |
| |
| while(currentIndex < signature.length()) { |
| elem = nextSignature(); |
| signatureList.add(elem); |
| } |
| if (signatureList.size() == 0) { |
| throw new IllegalArgumentException("Invalid JNI signature '" + |
| signature + "'"); |
| } |
| } |
| return signatureList; |
| } |
| |
| private synchronized List typeNameList() { |
| if (typeNameList == null) { |
| typeNameList = new ArrayList(10); |
| String elem; |
| |
| currentIndex = 0; |
| |
| while(currentIndex < signature.length()) { |
| elem = nextTypeName(); |
| typeNameList.add(elem); |
| } |
| if (typeNameList.size() == 0) { |
| throw new IllegalArgumentException("Invalid JNI signature '" + |
| signature + "'"); |
| } |
| } |
| return typeNameList; |
| } |
| |
| private String nextSignature() { |
| char key = signature.charAt(currentIndex++); |
| |
| switch(key) { |
| case '[': |
| return key + nextSignature(); |
| |
| case 'L': |
| int endClass = signature.indexOf(SIGNATURE_ENDCLASS, |
| currentIndex); |
| String retVal = signature.substring(currentIndex - 1, |
| endClass + 1); |
| currentIndex = endClass + 1; |
| return retVal; |
| |
| case 'V': |
| case 'Z': |
| case 'B': |
| case 'C': |
| case 'S': |
| case 'I': |
| case 'J': |
| case 'F': |
| case 'D': |
| return String.valueOf(key); |
| |
| case SIGNATURE_FUNC: |
| case SIGNATURE_ENDFUNC: |
| return nextSignature(); |
| |
| default: |
| throw new IllegalArgumentException( |
| "Invalid JNI signature character '" + key + "'"); |
| |
| } |
| } |
| |
| private String nextTypeName() { |
| char key = signature.charAt(currentIndex++); |
| |
| switch(key) { |
| case '[': |
| return nextTypeName() + "[]"; |
| |
| case 'B': |
| return "byte"; |
| |
| case 'C': |
| return "char"; |
| |
| case 'L': |
| int endClass = signature.indexOf(SIGNATURE_ENDCLASS, |
| currentIndex); |
| String retVal = signature.substring(currentIndex, |
| endClass); |
| retVal = retVal.replace('/','.'); |
| currentIndex = endClass + 1; |
| return retVal; |
| |
| case 'F': |
| return "float"; |
| |
| case 'D': |
| return "double"; |
| |
| case 'I': |
| return "int"; |
| |
| case 'J': |
| return "long"; |
| |
| case 'S': |
| return "short"; |
| |
| case 'V': |
| return "void"; |
| |
| case 'Z': |
| return "boolean"; |
| |
| case SIGNATURE_ENDFUNC: |
| case SIGNATURE_FUNC: |
| return nextTypeName(); |
| |
| default: |
| throw new IllegalArgumentException( |
| "Invalid JNI signature character '" + key + "'"); |
| |
| } |
| } |
| } |