| /******************************************************************************* |
| * Copyright (c) 2000, 2009 QNX Software Systems 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: |
| * QNX Software Systems - Initial API and implementation |
| * Wind River Systems - Modified for new DSF Reference Implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.cdt.dsf.mi.service; |
| |
| import java.math.BigInteger; |
| |
| /** |
| * Help class to specify formats. |
| */ |
| public final class MIFormat { |
| public final static int HEXADECIMAL = 0; |
| public final static int OCTAL = 1; |
| public final static int BINARY = 2; |
| public final static int DECIMAL = 3; |
| public final static int RAW = 4; |
| public final static int NATURAL = 5; |
| |
| public final static int FLOAT = 10; |
| public final static int ADDRESS = 11; |
| public final static int INSTRUCTION = 12; |
| public final static int CHAR = 13; |
| public final static int STRING = 14; |
| public final static int UNSIGNED = 15; |
| |
| // no instanciation. |
| private MIFormat() { |
| } |
| |
| /** |
| * We are assuming that GDB will print the address in hex format |
| * like: |
| * 0xbfffe5f0 "hello" |
| * (int *) 0xbfffe2b8 |
| * |
| * @param buffer |
| * @return |
| */ |
| public static BigInteger decodeAdress(String buffer) { |
| int radix = 10; |
| int cursor = 0; |
| int offset = 0; |
| int len = buffer.length(); |
| |
| if ((offset = buffer.indexOf("0x")) != -1 || //$NON-NLS-1$ |
| (offset = buffer.indexOf("0X")) != -1) { //$NON-NLS-1$ |
| radix = 16; |
| cursor = offset + 2; |
| } |
| |
| while (cursor < len && Character.digit(buffer.charAt(cursor), radix) != -1) { |
| cursor++; |
| } |
| |
| String s = buffer.substring(offset, cursor); |
| return getBigInteger(s); |
| } |
| |
| public static BigInteger getBigInteger(String address) { |
| int index = 0; |
| int radix = 10; |
| boolean negative = false; |
| |
| // Handle zero length |
| address = address.trim(); |
| if (address.length() == 0) { |
| return BigInteger.ZERO; |
| } |
| |
| // Handle minus sign, if present |
| if (address.startsWith("-")) { //$NON-NLS-1$ |
| negative = true; |
| index++; |
| } |
| if (address.startsWith("0x", index) || address.startsWith("0X", index)) { //$NON-NLS-1$ //$NON-NLS-2$ |
| index += 2; |
| radix = 16; |
| } else if (address.startsWith("#", index)) { //$NON-NLS-1$ |
| index++; |
| radix = 16; |
| } else if (address.startsWith("0", index) && address.length() > 1 + index) { //$NON-NLS-1$ |
| index++; |
| radix = 8; |
| } |
| |
| if (index > 0) { |
| address = address.substring(index); |
| } |
| if (negative) { |
| address = "-" + address; //$NON-NLS-1$ |
| } |
| try { |
| return new BigInteger(address, radix); |
| } catch (NumberFormatException e) { |
| // ... |
| // What can we do ??? |
| } |
| return BigInteger.ZERO; |
| } |
| } |