Initial commit

.gitattributes

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+# Auto detect text files and perform LF normalization
+* text=auto

.gitignore

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+# Gradle files
+.gradle/
+build/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Log/OS Files
+*.log
+
+# Android Studio generated files and folders
+captures/
+.externalNativeBuild/
+.cxx/
+*.apk
+output.json
+
+# IntelliJ
+*.iml
+.idea/
+
+# Keystore files
+*.jks
+*.keystore
+
+# Google Services (e.g. APIs or Firebase)
+google-services.json
+
+# Android Profiling
+*.hprof

README.md

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+# NodeJava
+ Run NodeJS on Android with Java API

app/.gitignore

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+/build

app/build.gradle.kts

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+@file:Suppress("UnstableApiUsage")
+
+plugins {
+    alias(libs.plugins.android.application)
+    alias(libs.plugins.jetbrains.kotlin.android)
+}
+
+android {
+    namespace = "com.mucheng.nodejava"
+    compileSdk = 34
+
+    defaultConfig {
+        applicationId = "com.mucheng.nodejava"
+        minSdk = 21
+        targetSdk = 34
+        versionCode = 1
+        versionName = "1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        externalNativeBuild {
+            cmake {
+                cppFlags += "-std=c++17"
+                arguments += "-DANDROID_STL=c++_shared"
+            }
+        }
+        ndk {
+            //noinspection ChromeOsAbiSupport
+            abiFilters += setOf("arm64-v8a")
+        }
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+    externalNativeBuild {
+        cmake {
+            path = file("src/main/cpp/CMakeLists.txt")
+            version = "3.22.1"
+        }
+    }
+}
+
+dependencies {
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <application
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:theme="@android:style/Theme.Material.Light.DarkActionBar"
+        android:roundIcon="@mipmap/ic_launcher_round">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/cpp/CMakeLists.txt

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+# For more information about using CMake with Android Studio, read the
+# documentation: https://d.android.com/studio/projects/add-native-code.html.
+# For more examples on how to use CMake, see https://github.com/android/ndk-samples.
+
+# Sets the minimum CMake version required for this project.
+cmake_minimum_required(VERSION 3.22.1)
+
+# Declares the project name. The project name can be accessed via ${ PROJECT_NAME},
+# Since this is the top level CMakeLists.txt, the project name is also accessible
+# with ${CMAKE_PROJECT_NAME} (both CMake variables are in-sync within the top level
+# build script scope).
+project("nodejava")
+set(CMAKE_CXX_STANDARD 17)
+# Creates and names a library, sets it as either STATIC
+# or SHARED, and provides the relative paths to its source code.
+# You can define multiple libraries, and CMake builds them for you.
+# Gradle automatically packages shared libraries with your APK.
+#
+# In this top level CMakeLists.txt, ${CMAKE_PROJECT_NAME} is used to define
+# the target library name; in the sub-module's CMakeLists.txt, ${PROJECT_NAME}
+# is preferred for the same purpose.
+#
+# In order to load a library into your app from Java/Kotlin, you must call
+# System.loadLibrary() and pass the name of the library defined here;
+# for GameActivity/NativeActivity derived applications, the same library name must be
+# used in the AndroidManifest.xml file.
+add_library(${CMAKE_PROJECT_NAME} SHARED
+        # List C/C++ source files with relative paths to this CMakeLists.txt.
+        main.cpp
+        Util.cpp
+        Isolate.cpp
+        Context.cpp
+)
+
+target_include_directories(${CMAKE_PROJECT_NAME} PUBLIC
+        ${CMAKE_SOURCE_DIR}
+        ${CMAKE_SOURCE_DIR}/include
+        ${CMAKE_SOURCE_DIR}/include/node
+)
+
+add_library(node SHARED IMPORTED)
+set_target_properties(node PROPERTIES IMPORTED_LOCATION
+        ${CMAKE_SOURCE_DIR}/natives/${CMAKE_ANDROID_ARCH_ABI}/libnode.so)
+
+# Specifies libraries CMake should link to your target library. You
+# can link libraries from various origins, such as libraries defined in this
+# build script, prebuilt third-party libraries, or Android system libraries.
+target_link_libraries(${CMAKE_PROJECT_NAME}
+        node
+        # List libraries link to the target library
+        android
+        log)

app/src/main/cpp/Context.cpp

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+#include "Context.h"
+#include "Isolate.h"
+#include "Util.h"
+#include "main.h"
+#include "log.h"
+#include <jni.h>
+
+Context::Context(Isolate *isolate) {
+    this->isolate = isolate;
+
+    SETUP_ISOLATE_CLASS();
+    self.Reset(isolate->self, node::NewContext(isolate->self));
+
+    environment = node::CreateEnvironment(
+            isolate->isolateData,
+            self.Get(isolate->self),
+            Main::initializationResult->args(),
+            Main::initializationResult->exec_args(),
+            node::EnvironmentFlags::kOwnsProcessState
+    );
+}
+
+void Context::To(jobject instance, Context *self) {
+    Util::SetPtr(instance, "contextPtr", self);
+}
+
+Context *Context::From(jobject instance) {
+    return Util::GetPtrCast<Context *>(instance, "contextPtr");
+}
+
+extern "C"
+JNIEXPORT void JNICALL
+Java_com_mucheng_nodejava_core_Context_nativeCreateContext(JNIEnv *env, jobject thiz,
+                                                           jlong isolatePtr) {
+    Isolate *isolate = Util::Cast<Isolate *>(isolatePtr);
+    Context *context = new Context(isolate);
+    Context::To(thiz, context);
+}
+extern "C"
+JNIEXPORT void JNICALL
+Java_com_mucheng_nodejava_core_Context_nativeLoadEnvironment(JNIEnv *env, jobject thiz,
+                                                             jstring source) {
+    Context *context = Context::From(thiz);
+    Isolate *isolate = context->isolate;
+
+    SETUP_ISOLATE_CLASS();
+    SETUP_CONTEXT_CLASS();
+
+    v8::TryCatch tryCatch(isolate->self);
+    SetProcessExitHandler(context->environment, [](node::Environment *environment, int exitCode) {
+        Stop(environment, node::StopFlags::kDoNotTerminateIsolate);
+        LOGE("Process ExitCode: %d", exitCode);
+    });
+
+    v8::MaybeLocal<v8::Value> result;
+    if (source == nullptr) {
+        result = LoadEnvironment(context->environment,
+                                 [&](const node::StartExecutionCallbackInfo &info) -> v8::MaybeLocal<v8::Value> {
+                                     v8::EscapableHandleScope escapableHandleScope(isolate->self);
+                                     return escapableHandleScope.Escape(
+                                             v8::Undefined(isolate->self));
+                                 });
+    } else {
+        result = LoadEnvironment(context->environment, Util::JavaStr2CStr(source));
+    }
+
+    if (result.IsEmpty()) {
+        if (tryCatch.HasCaught()) {
+            v8::MaybeLocal<v8::Value> stackTrace = v8::TryCatch::StackTrace(
+                    context->self.Get(isolate->self), tryCatch.Exception());
+            if (stackTrace.IsEmpty()) {
+                LOGE("Uncaught Environment Error: %s",
+                     *v8::String::Utf8Value(isolate->self, tryCatch.Exception()));
+            } else {
+                Util::ThrowNodeException(
+                        *v8::String::Utf8Value(isolate->self, stackTrace.ToLocalChecked()));
+            }
+        }
+        return;
+    }
+}
+
+extern "C"
+JNIEXPORT jboolean JNICALL
+Java_com_mucheng_nodejava_core_Context_nativeSpinEventLoop(JNIEnv *env, jobject thiz) {
+    Context *context = Context::From(thiz);
+    return SpinEventLoop(context->environment).FromMaybe(1) == 0;
+}
+
+extern "C"
+JNIEXPORT void JNICALL
+Java_com_mucheng_nodejava_core_Context_nativeStop(JNIEnv *env, jobject thiz) {
+    Context *context = Context::From(thiz);
+    Stop(context->environment, node::StopFlags::kDoNotTerminateIsolate);
+}
+
+extern "C"
+JNIEXPORT void JNICALL
+Java_com_mucheng_nodejava_core_Context_nativeEmitProcessExit(JNIEnv *env, jobject thiz) {
+    Context *context = Context::From(thiz);
+    EmitProcessExit(context->environment);
+}
+
+extern "C"
+JNIEXPORT void JNICALL
+Java_com_mucheng_nodejava_core_Context_nativeEvaluateScript(JNIEnv *env, jobject thiz,
+                                                            jstring script) {
+    Context *context = Context::From(thiz);
+    Isolate *isolate = context->isolate;
+
+    SETUP_ISOLATE_CLASS();
+    SETUP_CONTEXT_CLASS();
+
+    v8::TryCatch tryCatch(isolate->self);
+    SetProcessExitHandler(context->environment, [](node::Environment *environment, int exitCode) {
+        Stop(environment, node::StopFlags::kDoNotTerminateIsolate);
+        LOGE("Process ExitCode: %d", exitCode);
+    });
+
+    v8::MaybeLocal<v8::Script> compiling = v8::Script::Compile(context->self.Get(isolate->self),
+                                                               v8::String::NewFromUtf8(
+                                                                       isolate->self,
+                                                                       Util::JavaStr2CStr(
+                                                                               script)).ToLocalChecked());
+    if (compiling.IsEmpty()) {
+        if (tryCatch.HasCaught()) {
+            v8::MaybeLocal<v8::Value> stackTrace = v8::TryCatch::StackTrace(
+                    context->self.Get(isolate->self), tryCatch.Exception());
+            if (stackTrace.IsEmpty()) {
+                LOGE("Uncaught Compiling Error: %s",
+                     *v8::String::Utf8Value(isolate->self, tryCatch.Exception()));
+            } else {
+                Util::ThrowScriptCompilingException(
+                        *v8::String::Utf8Value(isolate->self, stackTrace.ToLocalChecked()));
+            }
+        }
+        return;
+    }
+
+    v8::MaybeLocal<v8::Value> running = compiling.ToLocalChecked()->Run(
+            context->self.Get(isolate->self));
+
+    if (running.IsEmpty()) {
+        if (tryCatch.HasCaught()) {
+            v8::MaybeLocal<v8::Value> stackTrace = v8::TryCatch::StackTrace(
+                    context->self.Get(isolate->self), tryCatch.Exception());
+            if (stackTrace.IsEmpty()) {
+                LOGE("Uncaught Runtime Error: %s",
+                     *v8::String::Utf8Value(isolate->self, tryCatch.Exception()));
+            } else {
+                Util::ThrowScriptRuntimeException(
+                        *v8::String::Utf8Value(isolate->self, stackTrace.ToLocalChecked()));
+            }
+        }
+        return;
+    }
+}

app/src/main/cpp/Context.h

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+#ifndef NODEJAVA_CONTEXT_H
+#define NODEJAVA_CONTEXT_H
+
+#include "Isolate.h"
+#include <jni.h>
+
+#define SETUP_CONTEXT_CLASS() v8::Context::Scope contextScope(context->self.Get(isolate->self));
+
+class Context {
+public:
+    Isolate *isolate;
+    node::Environment *environment;
+    v8::Persistent<v8::Context> self;
+
+    Context(Isolate *isolate);
+
+    static void To(jobject instance, Context *self);
+
+    static Context *From(jobject instance);
+};
+
+
+#endif //NODEJAVA_CONTEXT_H