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/*
* Copyright 2010-2015 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package kotlin.jvm.internal;
import kotlin.KotlinNullPointerException;
import kotlin.UninitializedPropertyAccessException;
import java.util.Arrays;
import java.util.List;
@SuppressWarnings("unused")
public class Intrinsics {
private Intrinsics() {
}
public static String stringPlus(String self, Object other) {
return self + other;
}
public static void checkNotNull(Object object) {
if (object == null) {
throwNpe();
}
}
public static void checkNotNull(Object object, String message) {
if (object == null) {
throwNpe(message);
}
}
public static void throwNpe() {
throw sanitizeStackTrace(new KotlinNullPointerException());
}
public static void throwNpe(String message) {
throw sanitizeStackTrace(new KotlinNullPointerException(message));
}
public static void throwUninitializedProperty(String message) {
throw sanitizeStackTrace(new UninitializedPropertyAccessException(message));
}
public static void throwUninitializedPropertyAccessException(String propertyName) {
throwUninitializedProperty("lateinit property " + propertyName + " has not been initialized");
}
public static void throwAssert() {
throw sanitizeStackTrace(new AssertionError());
}
public static void throwAssert(String message) {
throw sanitizeStackTrace(new AssertionError(message));
}
public static void throwIllegalArgument() {
throw sanitizeStackTrace(new IllegalArgumentException());
}
public static void throwIllegalArgument(String message) {
throw sanitizeStackTrace(new IllegalArgumentException(message));
}
public static void throwIllegalState() {
throw sanitizeStackTrace(new IllegalStateException());
}
public static void throwIllegalState(String message) {
throw sanitizeStackTrace(new IllegalStateException(message));
}
public static void checkExpressionValueIsNotNull(Object value, String expression) {
if (value == null) {
throw sanitizeStackTrace(new IllegalStateException(expression + " must not be null"));
}
}
public static void checkNotNullExpressionValue(Object value, String message) {
if (value == null) {
throw sanitizeStackTrace(new IllegalStateException(message));
}
}
public static void checkReturnedValueIsNotNull(Object value, String className, String methodName) {
if (value == null) {
throw sanitizeStackTrace(
new IllegalStateException("Method specified as non-null returned null: " + className + "." + methodName)
);
}
}
public static void checkReturnedValueIsNotNull(Object value, String message) {
if (value == null) {
throw sanitizeStackTrace(new IllegalStateException(message));
}
}
public static void checkFieldIsNotNull(Object value, String className, String fieldName) {
if (value == null) {
throw sanitizeStackTrace(new IllegalStateException("Field specified as non-null is null: " + className + "." + fieldName));
}
}
public static void checkFieldIsNotNull(Object value, String message) {
if (value == null) {
throw sanitizeStackTrace(new IllegalStateException(message));
}
}
public static void checkParameterIsNotNull(Object value, String paramName) {
if (value == null) {
throwParameterIsNullException(paramName);
}
}
public static void checkNotNullParameter(Object value, String message) {
if (value == null) {
throw sanitizeStackTrace(new IllegalArgumentException(message));
}
}
private static void throwParameterIsNullException(String paramName) {
StackTraceElement[] stackTraceElements = Thread.currentThread().getStackTrace();
// #0 Thread.getStackTrace()
// #1 Intrinsics.throwParameterIsNullException
// #2 Intrinsics.checkParameterIsNotNull
// #3 our caller
StackTraceElement caller = stackTraceElements[3];
String className = caller.getClassName();
String methodName = caller.getMethodName();
IllegalArgumentException exception =
new IllegalArgumentException("Parameter specified as non-null is null: " +
"method " + className + "." + methodName +
", parameter " + paramName);
throw sanitizeStackTrace(exception);
}
public static int compare(long thisVal, long anotherVal) {
return thisVal < anotherVal ? -1 : thisVal == anotherVal ? 0 : 1;
}
public static int compare(int thisVal, int anotherVal) {
return thisVal < anotherVal ? -1 : thisVal == anotherVal ? 0 : 1;
}
public static boolean areEqual(Object first, Object second) {
return first == null ? second == null : first.equals(second);
}
public static void throwUndefinedForReified() {
throwUndefinedForReified(
"This function has a reified type parameter and thus can only be inlined at compilation time, not called directly."
);
}
public static void throwUndefinedForReified(String message) {
throw new UnsupportedOperationException(message);
}
public static void reifiedOperationMarker(int id, String typeParameterIdentifier) {
throwUndefinedForReified();
}
public static void reifiedOperationMarker(int id, String typeParameterIdentifier, String message) {
throwUndefinedForReified(message);
}
public static void needClassReification() {
throwUndefinedForReified();
}
public static void needClassReification(String message) {
throwUndefinedForReified(message);
}
public static void checkHasClass(String internalName) throws ClassNotFoundException {
String fqName = internalName.replace('/', '.');
try {
Class.forName(fqName);
}
catch (ClassNotFoundException e) {
throw sanitizeStackTrace(new ClassNotFoundException(
"Class " + fqName + " is not found. Please update the Kotlin runtime to the latest version", e
));
}
}
public static void checkHasClass(String internalName, String requiredVersion) throws ClassNotFoundException {
String fqName = internalName.replace('/', '.');
try {
Class.forName(fqName);
}
catch (ClassNotFoundException e) {
throw sanitizeStackTrace(new ClassNotFoundException(
"Class " + fqName + " is not found: this code requires the Kotlin runtime of version at least " + requiredVersion, e
));
}
}
private static T sanitizeStackTrace(T throwable) {
return sanitizeStackTrace(throwable, Intrinsics.class.getName());
}
static T sanitizeStackTrace(T throwable, String classNameToDrop) {
StackTraceElement[] stackTrace = throwable.getStackTrace();
int size = stackTrace.length;
int lastIntrinsic = -1;
for (int i = 0; i < size; i++) {
if (classNameToDrop.equals(stackTrace[i].getClassName())) {
lastIntrinsic = i;
}
}
List list = Arrays.asList(stackTrace).subList(lastIntrinsic + 1, size);
throwable.setStackTrace(list.toArray(new StackTraceElement[list.size()]));
return throwable;
}
}