public ClassReference14Processor() {
InvocationExprent invfor = new InvocationExprent();
invfor.setName("forName");
invfor.setClassname("java/lang/Class");
invfor.setStringDescriptor("(Ljava/lang/String;)Ljava/lang/Class;");
invfor.setDescriptor(MethodDescriptor.parseDescriptor("(Ljava/lang/String;)Ljava/lang/Class;"));
invfor.setStatic(true);
invfor.setLstParameters(
Arrays.asList(new Exprent[] {new VarExprent(0, VarType.VARTYPE_STRING, null)}));
bodyexprent = new ExitExprent(ExitExprent.EXIT_RETURN, invfor, VarType.VARTYPE_CLASS, null);
InvocationExprent constr = new InvocationExprent();
constr.setName("<init>");
constr.setClassname("java/lang/NoClassDefFoundError");
constr.setStringDescriptor("()V");
constr.setFunctype(InvocationExprent.TYP_INIT);
constr.setDescriptor(MethodDescriptor.parseDescriptor("()V"));
NewExprent newexpr =
new NewExprent(
new VarType(CodeConstants.TYPE_OBJECT, 0, "java/lang/NoClassDefFoundError"),
new ArrayList<Exprent>(),
null);
newexpr.setConstructor(constr);
InvocationExprent invcause = new InvocationExprent();
invcause.setName("initCause");
invcause.setClassname("java/lang/NoClassDefFoundError");
invcause.setStringDescriptor("(Ljava/lang/Throwable;)Ljava/lang/Throwable;");
invcause.setDescriptor(
MethodDescriptor.parseDescriptor("(Ljava/lang/Throwable;)Ljava/lang/Throwable;"));
invcause.setInstance(newexpr);
invcause.setLstParameters(
Arrays.asList(
new Exprent[] {
new VarExprent(
2,
new VarType(CodeConstants.TYPE_OBJECT, 0, "java/lang/ClassNotFoundException"),
null)
}));
handlerexprent = new ExitExprent(ExitExprent.EXIT_THROW, invcause, null, null);
}
public static Exprent parseAnnotationElement(DataInputStream data, ConstantPool pool)
throws IOException {
int tag = data.readUnsignedByte();
switch (tag) {
case 'e': // enum constant
String className = pool.getPrimitiveConstant(data.readUnsignedShort()).getString();
String constName = pool.getPrimitiveConstant(data.readUnsignedShort()).getString();
FieldDescriptor descr = FieldDescriptor.parseDescriptor(className);
return new FieldExprent(constName, descr.type.value, true, null, descr, null);
case 'c': // class
String descriptor = pool.getPrimitiveConstant(data.readUnsignedShort()).getString();
VarType type = FieldDescriptor.parseDescriptor(descriptor).type;
String value;
switch (type.type) {
case CodeConstants.TYPE_OBJECT:
value = type.value;
break;
case CodeConstants.TYPE_BYTE:
value = byte.class.getName();
break;
case CodeConstants.TYPE_CHAR:
value = char.class.getName();
break;
case CodeConstants.TYPE_DOUBLE:
value = double.class.getName();
break;
case CodeConstants.TYPE_FLOAT:
value = float.class.getName();
break;
case CodeConstants.TYPE_INT:
value = int.class.getName();
break;
case CodeConstants.TYPE_LONG:
value = long.class.getName();
break;
case CodeConstants.TYPE_SHORT:
value = short.class.getName();
break;
case CodeConstants.TYPE_BOOLEAN:
value = boolean.class.getName();
break;
case CodeConstants.TYPE_VOID:
value = void.class.getName();
break;
default:
throw new RuntimeException("invalid class type: " + type.type);
}
return new ConstExprent(VarType.VARTYPE_CLASS, value, null);
case '[': // array
List<Exprent> elements = Collections.emptyList();
int len = data.readUnsignedShort();
if (len > 0) {
elements = new ArrayList<Exprent>(len);
for (int i = 0; i < len; i++) {
elements.add(parseAnnotationElement(data, pool));
}
}
VarType newType;
if (elements.isEmpty()) {
newType = new VarType(CodeConstants.TYPE_OBJECT, 1, "java/lang/Object");
} else {
VarType elementType = elements.get(0).getExprType();
newType = new VarType(elementType.type, 1, elementType.value);
}
NewExprent newExpr = new NewExprent(newType, Collections.emptyList(), null);
newExpr.setDirectArrayInit(true);
newExpr.setLstArrayElements(elements);
return newExpr;
case '@': // annotation
return parseAnnotation(data, pool);
default:
PrimitiveConstant cn = pool.getPrimitiveConstant(data.readUnsignedShort());
switch (tag) {
case 'B':
return new ConstExprent(VarType.VARTYPE_BYTE, cn.value, null);
case 'C':
return new ConstExprent(VarType.VARTYPE_CHAR, cn.value, null);
case 'D':
return new ConstExprent(VarType.VARTYPE_DOUBLE, cn.value, null);
case 'F':
return new ConstExprent(VarType.VARTYPE_FLOAT, cn.value, null);
case 'I':
return new ConstExprent(VarType.VARTYPE_INT, cn.value, null);
case 'J':
return new ConstExprent(VarType.VARTYPE_LONG, cn.value, null);
case 'S':
return new ConstExprent(VarType.VARTYPE_SHORT, cn.value, null);
case 'Z':
return new ConstExprent(VarType.VARTYPE_BOOLEAN, cn.value, null);
case 's':
return new ConstExprent(VarType.VARTYPE_STRING, cn.value, null);
default:
throw new RuntimeException("invalid element type!");
}
}
}