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/*
* ProGuard -- shrinking, optimization, obfuscation, and preverification
* of Java bytecode.
*
* Copyright (c) 2002-2013 Eric Lafortune (eric@graphics.cornell.edu)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program 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 for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package proguard.classfile.instruction;
import proguard.classfile.ClassConstants;
/**
* Utility methods for converting between representations of names and
* descriptions.
*
* @author Eric Lafortune
*/
public class InstructionUtil
{
/**
* Returns the internal type corresponding to the given 'newarray' type.
* @param arrayType <code>InstructionConstants.ARRAY_T_BOOLEAN</code>,
* <code>InstructionConstants.ARRAY_T_BYTE</code>,
* <code>InstructionConstants.ARRAY_T_CHAR</code>,
* <code>InstructionConstants.ARRAY_T_SHORT</code>,
* <code>InstructionConstants.ARRAY_T_INT</code>,
* <code>InstructionConstants.ARRAY_T_LONG</code>,
* <code>InstructionConstants.ARRAY_T_FLOAT</code>, or
* <code>InstructionConstants.ARRAY_T_DOUBLE</code>.
* @return <code>ClassConstants.INTERNAL_TYPE_BOOLEAN</code>,
* <code>ClassConstants.INTERNAL_TYPE_BYTE</code>,
* <code>ClassConstants.INTERNAL_TYPE_CHAR</code>,
* <code>ClassConstants.INTERNAL_TYPE_SHORT</code>,
* <code>ClassConstants.INTERNAL_TYPE_INT</code>,
* <code>ClassConstants.INTERNAL_TYPE_LONG</code>,
* <code>ClassConstants.INTERNAL_TYPE_FLOAT</code>, or
* <code>ClassConstants.INTERNAL_TYPE_DOUBLE</code>.
*/
public static char internalTypeFromArrayType(byte arrayType)
{
switch (arrayType)
{
case InstructionConstants.ARRAY_T_BOOLEAN: return ClassConstants.INTERNAL_TYPE_BOOLEAN;
case InstructionConstants.ARRAY_T_CHAR: return ClassConstants.INTERNAL_TYPE_CHAR;
case InstructionConstants.ARRAY_T_FLOAT: return ClassConstants.INTERNAL_TYPE_FLOAT;
case InstructionConstants.ARRAY_T_DOUBLE: return ClassConstants.INTERNAL_TYPE_DOUBLE;
case InstructionConstants.ARRAY_T_BYTE: return ClassConstants.INTERNAL_TYPE_BYTE;
case InstructionConstants.ARRAY_T_SHORT: return ClassConstants.INTERNAL_TYPE_SHORT;
case InstructionConstants.ARRAY_T_INT: return ClassConstants.INTERNAL_TYPE_INT;
case InstructionConstants.ARRAY_T_LONG: return ClassConstants.INTERNAL_TYPE_LONG;
default: throw new IllegalArgumentException("Unknown array type ["+arrayType+"]");
}
}
}
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