/**
* Copyright (C) 2010-2017 Gordon Fraser, Andrea Arcuri and EvoSuite
* contributors
*
* This file is part of EvoSuite.
*
* EvoSuite is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3.0 of the License, or
* (at your option) any later version.
*
* EvoSuite 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
* Lesser Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with EvoSuite. If not, see <http://www.gnu.org/licenses/>.
*/
/**
*
*/
package org.evosuite.instrumentation;
import java.util.List;
import org.objectweb.asm.Type;
import org.objectweb.asm.tree.AbstractInsnNode;
import org.objectweb.asm.tree.MethodInsnNode;
import org.objectweb.asm.tree.analysis.AnalyzerException;
import org.objectweb.asm.tree.analysis.BasicInterpreter;
import org.objectweb.asm.tree.analysis.BasicValue;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* <p>BooleanArrayInterpreter class.</p>
*
* @author Gordon Fraser
*/
public class BooleanArrayInterpreter extends BasicInterpreter {
/** Constant <code>logger</code> */
protected static Logger logger = LoggerFactory.getLogger(BooleanArrayInterpreter.class);
/** Constant <code>BYTE</code> */
public final static BasicValue BYTE = new BasicValue(null);
/** Constant <code>BOOLEAN</code> */
public final static BasicValue BOOLEAN = new BasicValue(null);
/** Constant <code>BOOLEAN_ARRAY</code> */
public final static BasicValue BOOLEAN_ARRAY = new BasicValue(null);
/** Constant <code>BYTE_ARRAY</code> */
public final static BasicValue BYTE_ARRAY = new BasicValue(null);
/** Constant <code>INT_ARRAY</code> */
public final static BasicValue INT_ARRAY = new BasicValue(null);
/** {@inheritDoc} */
@Override
public BasicValue newValue(Type type) {
if (type == null) {
return BasicValue.UNINITIALIZED_VALUE;
}
switch (type.getSort()) {
case Type.ARRAY:
String desc = type.getDescriptor();
if (desc.equals("[Z"))
return BOOLEAN_ARRAY;
else if (desc.equals("[I"))
return INT_ARRAY;
else if (desc.equals("[B"))
return BYTE_ARRAY;
else
return super.newValue(type);
default:
return super.newValue(type);
}
}
/*
@Override
public Value newOperation(AbstractInsnNode insn) throws AnalyzerException {
if (insn.getOpcode() == BIPUSH) {
return BYTE;
} else if (insn.getOpcode() == GETSTATIC) {
FieldInsnNode fn = (FieldInsnNode) insn;
if (Type.getType(fn.desc).equals(Type.BOOLEAN_TYPE)) {
return BOOLEAN;
} else if (fn.desc.equals("[Z")) {
return BOOLEAN_ARRAY;
} else if (fn.desc.equals("[B")) {
return BYTE_ARRAY;
} else if (fn.desc.equals("[I")) {
return INT_ARRAY;
} else if (Type.getType(fn.desc).equals(Type.BYTE_TYPE)) {
return BYTE;
} else
return super.newOperation(insn);
} else {
return super.newOperation(insn);
}
}
@Override
public Value unaryOperation(AbstractInsnNode insn, Value value)
throws AnalyzerException {
if (insn.getOpcode() == NEWARRAY) {
IntInsnNode in = (IntInsnNode) insn;
if (in.operand == Opcodes.T_BOOLEAN) {
return BOOLEAN_ARRAY;
} else if (in.operand == Opcodes.T_BYTE) {
return BYTE_ARRAY;
} else if (in.operand == Opcodes.T_INT) {
return INT_ARRAY;
} else {
return super.unaryOperation(insn, value);
}
} else if (insn.getOpcode() == ANEWARRAY) {
TypeInsnNode tn = (TypeInsnNode) insn;
if (tn.desc.equals("[Z")) {
return BOOLEAN_ARRAY;
} else if (tn.desc.equals("[B")) {
return BYTE_ARRAY;
} else if (tn.desc.equals("[I")) {
return INT_ARRAY;
} else {
return super.unaryOperation(insn, value);
}
} else if (insn.getOpcode() == GETFIELD || insn.getOpcode() == GETSTATIC) {
FieldInsnNode fn = (FieldInsnNode) insn;
if (Type.getType(fn.desc).equals(Type.BOOLEAN_TYPE)) {
return BOOLEAN;
} else if (fn.desc.equals("[Z")) {
return BOOLEAN_ARRAY;
} else if (fn.desc.equals("[B")) {
return BYTE_ARRAY;
} else if (fn.desc.equals("[I")) {
return INT_ARRAY;
} else if (Type.getType(fn.desc).equals(Type.BYTE_TYPE)) {
return BYTE;
} else
return super.unaryOperation(insn, value);
} else if (insn.getOpcode() == CHECKCAST) {
TypeInsnNode tn = (TypeInsnNode) insn;
if (Type.getType(tn.desc).equals(Type.BOOLEAN_TYPE)) {
return BOOLEAN;
} else if (tn.desc.equals("[Z")) {
return BOOLEAN_ARRAY;
} else if (tn.desc.equals("[I")) {
return INT_ARRAY;
} else if (tn.desc.equals("[B")) {
return BYTE_ARRAY;
} else {
return super.unaryOperation(insn, value);
}
} else {
return super.unaryOperation(insn, value);
}
}
*/
/** {@inheritDoc} */
@SuppressWarnings("rawtypes")
@Override
public BasicValue naryOperation(AbstractInsnNode insn, List values)
throws AnalyzerException {
if (insn.getOpcode() == INVOKESTATIC || insn.getOpcode() == INVOKEVIRTUAL
|| insn.getOpcode() == INVOKEINTERFACE) {
MethodInsnNode mn = (MethodInsnNode) insn;
if (Type.getReturnType(mn.desc).equals(Type.BOOLEAN_TYPE)) {
return BOOLEAN;
} else if (mn.desc.equals("[Z")) {
return BOOLEAN_ARRAY;
} else if (mn.desc.equals("[B")) {
return BYTE_ARRAY;
} else if (mn.desc.equals("[I")) {
return INT_ARRAY;
} else if (Type.getReturnType(mn.desc).equals(Type.BYTE_TYPE)) {
return BYTE;
} else {
if (mn.name.equals("clone") && mn.owner.equals("[I"))
return INT_ARRAY;
else if (mn.name.equals("clone") && mn.owner.equals("[Z"))
return BOOLEAN_ARRAY;
else if (mn.name.equals("clone") && mn.owner.equals("[B"))
return BYTE_ARRAY;
else {
return super.naryOperation(insn, values);
}
}
} else {
return super.naryOperation(insn, values);
}
}
/*
@Override
public Value copyOperation(AbstractInsnNode insn, Value value)
throws AnalyzerException {
if (insn.getOpcode() == Opcodes.ALOAD) {
VarInsnNode vn = (VarInsnNode) insn;
// Check local variable array if the index of this value is a boolean array? Maybe it's in value?
}
}
*/
}