/*
* Copyright (C) 2011 Stephane Godbillon
*
* This file is part of BytecodeParser. See the README file in the root
* directory of this project.
*
* BytecodeParser 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 of the License, or
* (at your option) any later version.
* BytecodeParser 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 General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License
* along with BytecodeParser. If not, see <http://www.gnu.org/licenses/>.
*/
package test;
import java.util.Arrays;
import javassist.ClassPool;
import javassist.CtClass;
import javassist.CtMethod;
import javassist.NotFoundException;
import bytecodeparser.Context;
import bytecodeparser.analysis.decoders.DecodedMethodInvocationOp;
import bytecodeparser.analysis.stack.StackAnalyzer.Frame;
import bytecodeparser.analysis.stack.StackElement;
import bytecodeparser.analysis.stack.TOP;
import bytecodeparser.analysis.stack.TrackableArray;
import bytecodeparser.analysis.stack.ValueFromLocalVariable;
public class CommonTests {
public static CtClass getCtClass(String clazz) {
ClassPool cp = ClassPool.getDefault();
try {
return cp.get(clazz);
} catch (NotFoundException e) {
throw new RuntimeException(e);
}
}
public static CtMethod getMethod(CtClass ctClass, String name) {
for(CtMethod ctMethod : ctClass.getMethods()) {
if(ctMethod.getName().equals(name)) {
return ctMethod;
}
}
throw new RuntimeException("method '" + name + "' not found in class " + ctClass);
}
public static void assertDeepEquals(String[] array1, String[] array2) {
if(array1.length != array2.length)
throw new RuntimeException(Arrays.toString(array1) + " does not equal " + Arrays.toString(array2) + " !");
for(int i = 0; i < array1.length; i++)
if(array1[i] != array2[i] && (array1[i] == null || !array1[i].equals(array2[i])) )
throw new RuntimeException(Arrays.toString(array1) + " does not equal " + Arrays.toString(array2) + " !");
}
// old
private static String getLocalVariableName(StackElement se) {
if(se instanceof ValueFromLocalVariable) {
ValueFromLocalVariable v = (ValueFromLocalVariable) se;
if(v.localVariable != null)
return v.localVariable.name;
}
return null;
}
public static String getMethodNamedSignature(Context context, Frame frame) {
DecodedMethodInvocationOp decoded = (DecodedMethodInvocationOp) frame.decodedOp;
String name = decoded.getName();
String[] names = DecodedMethodInvocationOp.resolveParametersNames(frame, true);
StringBuffer sb = new StringBuffer();
if(names.length > 0) {
sb.append(names[0]);
for(int i = 1; i < names.length; i++) {
sb.append(", ").append(names[i]);
}
}
sb.insert(0, "(").insert(0, name).append(")");
return sb.toString();
}
public static String[] methodInvocationNames(Frame frame) {
DecodedMethodInvocationOp decoded = (DecodedMethodInvocationOp) frame.decodedOp;
int nbParams = decoded.getNbParameters();
String[] result = new String[nbParams];
if(nbParams > 0) {
int stackIndex = 0;
if(frame.stackBefore.stack.get(stackIndex) instanceof TrackableArray) {
StackElement[] varargs = ((TrackableArray) frame.stackBefore.stack.get(0)).elements;
nbParams = nbParams + varargs.length - 1;
result = new String[nbParams];
for(int i = 0; i < varargs.length; i++, nbParams--) {
result[nbParams - 1] = getLocalVariableName(varargs[i]) + "(" + varargs[i] + ")";
}
stackIndex++;
}
while(nbParams > 0) {
StackElement se = frame.stackBefore.stack.get(stackIndex++);
if(se instanceof TOP)
se = frame.stackBefore.stack.get(stackIndex++);
result[nbParams - 1] = getLocalVariableName(se) + "(" + se + ")";
nbParams--;
}
}
return result;
}
}