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* attach finalizable to close the port for interfaces * add missing JCharacter boxed type * add .implement method completed for interfaces * fix descriptor issues * temporarily do not check the ffigen bindings until ffigen#555 is solved * remove duplicated java source in jni + sort ffigen.yaml inline functions * add the interface implementation under an experiment flag + docs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| -keep class com.github.dart_lang.jni.** { *; } |
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42 changes: 0 additions & 42 deletions
42
jni/android/src/main/java/com/github/dart_lang/jni/PortContinuation.java
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| Original file line number | Diff line number | Diff line change |
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@@ -16,6 +16,7 @@ | |
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| <build> | ||
| <finalName>jni</finalName> | ||
| <directory>${target}</directory> | ||
| </build> | ||
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| <dependencies> | ||
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jni/java/src/main/java/com/github/dart_lang/jni/PortProxy.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| // Copyright (c) 2023, the Dart project authors. Please see the AUTHORS file | ||
| // for details. All rights reserved. Use of this source code is governed by a | ||
| // BSD-style license that can be found in the LICENSE file. | ||
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| package com.github.dart_lang.jni; | ||
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| import java.lang.reflect.*; | ||
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| public class PortProxy implements InvocationHandler { | ||
| static { | ||
| System.loadLibrary("dartjni"); | ||
| } | ||
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| private final long port; | ||
| private final long threadId; | ||
| private final long functionPtr; | ||
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| private PortProxy(long port, long threadId, long functionPtr) { | ||
| this.port = port; | ||
| this.threadId = threadId; | ||
| this.functionPtr = functionPtr; | ||
| } | ||
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| private static String getDescriptor(Method method) { | ||
| StringBuilder descriptor = new StringBuilder(); | ||
| descriptor.append(method.getName()).append("("); | ||
| Class<?>[] parameterTypes = method.getParameterTypes(); | ||
| for (Class<?> paramType : parameterTypes) { | ||
| appendType(descriptor, paramType); | ||
| } | ||
| descriptor.append(")"); | ||
| appendType(descriptor, method.getReturnType()); | ||
| return descriptor.toString(); | ||
| } | ||
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| private static void appendType(StringBuilder descriptor, Class<?> type) { | ||
| if (type == void.class) { | ||
| descriptor.append("V"); | ||
| } else if (type == boolean.class) { | ||
| descriptor.append("Z"); | ||
| } else if (type == byte.class) { | ||
| descriptor.append("B"); | ||
| } else if (type == char.class) { | ||
| descriptor.append("C"); | ||
| } else if (type == short.class) { | ||
| descriptor.append("S"); | ||
| } else if (type == int.class) { | ||
| descriptor.append("I"); | ||
| } else if (type == long.class) { | ||
| descriptor.append("J"); | ||
| } else if (type == float.class) { | ||
| descriptor.append("F"); | ||
| } else if (type == double.class) { | ||
| descriptor.append("D"); | ||
| } else if (type.isArray()) { | ||
| descriptor.append('['); | ||
| appendType(descriptor, type.getComponentType()); | ||
| } else { | ||
| descriptor.append("L").append(type.getName().replace('.', '/')).append(";"); | ||
| } | ||
| } | ||
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| public static Object newInstance(String binaryName, long port, long threadId, long functionPtr) | ||
| throws ClassNotFoundException { | ||
| Class clazz = Class.forName(binaryName); | ||
| return Proxy.newProxyInstance( | ||
| clazz.getClassLoader(), new Class[] {clazz}, new PortProxy(port, threadId, functionPtr)); | ||
| } | ||
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| @Override | ||
| public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { | ||
| return _invoke(port, threadId, functionPtr, proxy, getDescriptor(method), args); | ||
| } | ||
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| private native Object _invoke( | ||
| long port, | ||
| long threadId, | ||
| long functionPtr, | ||
| Object proxy, | ||
| String methodDescriptor, | ||
| Object[] args); | ||
| } |
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