| /* |
| * Copyright (c) 2015, 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 compiler.compilercontrol.share.method; |
| |
| import jdk.test.lib.Utils; |
| |
| import java.lang.reflect.Constructor; |
| import java.lang.reflect.Executable; |
| import java.lang.reflect.Method; |
| import java.util.Arrays; |
| |
| /** |
| * This class represents a signature of the method |
| */ |
| public class SignatureType extends MethodElementType { |
| public SignatureType(Executable method) { |
| super(MethodDescriptor.Separator.NONE); |
| // Get parameters |
| Class<?>[] types = method.getParameterTypes(); |
| String[] parameterTypes = new String[types.length]; |
| for (int i = 0; i < types.length; i++) { |
| parameterTypes[i] = Utils.toJVMTypeSignature(types[i]); |
| } |
| // Get return value |
| String returnType; |
| if (method instanceof Method) { |
| returnType = Utils.toJVMTypeSignature(((Method) method) |
| .getReturnType()); |
| } else if (method instanceof Constructor) { |
| // Constructor returns void in VM |
| returnType = Utils.toJVMTypeSignature(void.class); |
| } else { |
| throw new Error(String.format("TESTBUG: wrong type of executable " |
| + "%s of class %s", method, method.getClass())); |
| } |
| // Create signature |
| setElement("(" + String.join("", parameterTypes)+ ")" + returnType); |
| regexp = element; |
| setPattern(MethodDescriptor.PatternType.EXACT); |
| separator = MethodDescriptor.Separator.NONE; |
| } |
| |
| @Override |
| public void setElement(String element) { |
| if (element.isEmpty()) { |
| setPattern(MethodDescriptor.PatternType.ANY); |
| } else { |
| super.setElement(element); |
| } |
| } |
| |
| @Override |
| public boolean isValid() { |
| if (element.isEmpty()) { |
| return true; |
| } |
| // Allowed primitive types |
| char[] baseTypes = {'B', 'C', 'D', 'F', 'I', 'J', 'S', 'Z'}; // sorted |
| // Parsing states |
| boolean isArray = false; |
| boolean isInsideSig = false; |
| boolean isClass = false; |
| |
| for (char ch : element.toCharArray()) { |
| if (ch == '(') { |
| if (isInsideSig) { |
| // Met another ( inside |
| return false; |
| } |
| isInsideSig = true; |
| } else if (ch == ')') { |
| if (!isInsideSig) { |
| // met another ) outside |
| return false; |
| } |
| isInsideSig = false; |
| } else if (ch == 'V') { |
| if (isInsideSig) { |
| // void type is allowed only as a return value |
| return false; |
| } |
| } else if (ch == 'L') { |
| // this is a beginning of class/interface |
| isClass = true; |
| // met actual type of array |
| isArray = false; |
| } else if (ch == '[') { |
| isArray = true; |
| } else if (isClass) { |
| if (!Character.isJavaIdentifierPart(ch)) { |
| if (ch == '/' || ch == '.') { |
| // separator met |
| } else if (ch == ';') { |
| // end of class/interface |
| isClass = false; |
| } else { |
| return false; |
| } |
| } |
| } else if (Arrays.binarySearch(baseTypes, ch) < 0) { |
| // if it doesn't belong to base types |
| return false; |
| } else { |
| // array of a base type |
| isArray = false; |
| } |
| } |
| return !(isArray || isInsideSig || isClass); |
| } |
| |
| @Override |
| public void setPattern(MethodDescriptor.PatternType patternType) { |
| switch (patternType) { |
| case PREFIX: |
| case SUFFIX: |
| case SUBSTRING: |
| // These patterns are not supported in Compiler Control |
| // Just use ANY pattern instead |
| case ANY: |
| regexp = "\\(.*\\).*"; |
| element = ""; |
| break; |
| case EXACT: |
| break; |
| default: |
| throw new IllegalArgumentException("ERROR: wrong pattern type " |
| + patternType); |
| } |
| } |
| } |