| /******************************************************************************* |
| * Copyright (c) 2005, 2012 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.debug.eval.ast.engine; |
| |
| import java.util.ArrayList; |
| |
| import org.eclipse.jdt.core.Signature; |
| import org.eclipse.jdt.core.compiler.CharOperation; |
| import org.eclipse.jdt.internal.compiler.util.Util; |
| |
| public class SignatureExt { |
| |
| public static char[][] getTypeSuperClassInterfaces(char[] typeSignature) |
| throws IllegalArgumentException { |
| try { |
| int length = typeSignature.length; |
| if (length == 0) |
| return CharOperation.NO_CHAR_CHAR; |
| int i = 0; |
| if (typeSignature[0] == Signature.C_GENERIC_START) { |
| i++; // leading '<' |
| while (i < length |
| && typeSignature[i] != Signature.C_GENERIC_END) { |
| i = CharOperation.indexOf(Signature.C_COLON, typeSignature, |
| i); |
| if (i < 0 || i >= length) |
| throw new IllegalArgumentException(); |
| // iterate over bounds |
| nextBound: while (typeSignature[i] == ':') { |
| i++; // skip colon |
| if (typeSignature[i] == ':') { |
| continue nextBound; // empty bound |
| } |
| i = Util.scanTypeSignature(typeSignature, i); |
| i++; // position at start of next param if any |
| } |
| } |
| if (i < 0 || i >= length) |
| throw new IllegalArgumentException(); |
| i++; // trailing '>' |
| } |
| ArrayList<char[]> superList = new ArrayList<>(); |
| while (i < length) { |
| int superStart = i; |
| i = Util.scanTypeSignature(typeSignature, i); |
| i++; |
| superList.add(CharOperation.subarray(typeSignature, superStart, |
| i)); |
| } |
| char[][] result; |
| superList.toArray(result = new char[superList.size()][]); |
| return result; |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // invalid signature, fall through |
| } |
| throw new IllegalArgumentException(); |
| } |
| |
| public static String[] getTypeSuperClassInterfaces(String typeSignature) |
| throws IllegalArgumentException { |
| char[][] params = getTypeSuperClassInterfaces(typeSignature |
| .toCharArray()); |
| return CharOperation.toStrings(params); |
| } |
| } |