common.h

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/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
 
#pragma once
#include "ScopedGlobalRef.h"
#include "ScopedLocalRef.h"
 
namespace facebook::yoga::vanillajni {
 
void registerNatives(
    JNIEnv* env,
    const char* className,
    const JNINativeMethod methods[],
    size_t numMethods);
 
jmethodID getStaticMethodId(
    JNIEnv* env,
    jclass clazz,
    const char* methodName,
    const char* methodDescriptor);
 
jmethodID getMethodId(
    JNIEnv* env,
    jclass clazz,
    const char* methodName,
    const char* methodDescriptor);
 
jfieldID getFieldId(
    JNIEnv* env,
    jclass clazz,
    const char* fieldName,
    const char* fieldSignature);
 
// Helper methods to call a non-static method on an object depending on the
// return type. Each method will abort the execution if an error
// (such as a Java pending exception) is detected after invoking the
// Java method.
#define DEFINE_CALL_METHOD_FOR_PRIMITIVE_INTERFACE(jnitype, readableType) \
  jnitype call##readableType##Method(                                     \
      JNIEnv* env, jobject obj, jmethodID methodId, ...)
DEFINE_CALL_METHOD_FOR_PRIMITIVE_INTERFACE(void, Void);
DEFINE_CALL_METHOD_FOR_PRIMITIVE_INTERFACE(jlong, Long);
DEFINE_CALL_METHOD_FOR_PRIMITIVE_INTERFACE(jfloat, Float);
 
ScopedLocalRef<jobject>
callStaticObjectMethod(JNIEnv* env, jclass clazz, jmethodID methodId, ...);
 
ScopedGlobalRef<jobject> newGlobalRef(JNIEnv* env, jobject obj);
 
ScopedGlobalRef<jthrowable> newGlobalRef(JNIEnv* env, jthrowable obj);
 
} // namespace facebook::yoga::vanillajni