* net.sf.jrevpro.decompile.evaluator.AbstractInstructionEvaluator#evaluate
* (net.sf.jrevpro.reflect.instruction.Instruction)
*/
@Override
void evaluate(Instruction ins) {
ArrayInstantiationExpression expr = null;
switch (ins.opcode) {
case OPCODE_NEWARRAY: {
int atype = ins.getArgByte();
Expression arraySize = evalMachine.pop();
char jvmtype = JVM_TYPE_UNDEFINED;
switch (atype) {
case 4:
jvmtype = JVM_TYPE_BOOLEAN;
break;
case 5:
jvmtype = JVM_TYPE_CHAR;
break;
case 6:
jvmtype = JVM_TYPE_FLOAT;
break;
case 7:
jvmtype = JVM_TYPE_DOUBLE;
break;
case 8:
jvmtype = JVM_TYPE_BYTE;
break;
case 9:
jvmtype = JVM_TYPE_SHORT;
break;
case 10:
jvmtype = JVM_TYPE_INT;
break;
case 11:
jvmtype = JVM_TYPE_LONG;
break;
default:
throw new UnsupportedOperationException("Type " + atype
+ " not supported as argument of opcode OPCODE_NEWARRAY");
}
expr = new ArrayInstantiationExpression(jvmtype, arraySize);
break;
}
case OPCODE_ANEWARRAY: {
int offset = ins.getArgUnsignedShort();
String classType = pool.getClassName(offset);
Expression arraySize1 = evalMachine.pop();
expr = new ArrayInstantiationExpression(classType, arraySize1);
break;
}
case OPCODE_MULTIANEWARRAY: {
int offset = ins.getArgUnsignedShort();
// Dimensions. Max 255.
int dimensions = ins.getArgUnsignedByte(2);
if (dimensions > 255) {
throw new IllegalArgumentException(
"OPCODE_MULTIANEWARRAY: Max. Number of dimensions is 255. Received "
+ dimensions);
}
Expression arrayIndices[] = new Expression[dimensions];
// ClassType
String classType = TypeInferrer.getJLSType(pool.getClassName(offset),
false);
// Get all array indices
for (int i = dimensions - 1; i >= 0; i--) {
arrayIndices[i] = evalMachine.pop();
}
expr = new ArrayInstantiationExpression(classType, Arrays
.asList(arrayIndices));
}
}
evalMachine.push(expr);