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Merge pull request #39 from dreamlike-ocean/native-example
Native example
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‎example/pom.xml‎

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</execution>
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</executions>
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<configuration>
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<jvmTarget>1.8</jvmTarget>
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<jvmTarget>17</jvmTarget>
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</configuration>
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</plugin>
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<plugin>
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</goals>
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</execution>
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</executions>
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<configuration>
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<target>${java.version}</target>
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<source>${java.version}</source>
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<compilerArgs>
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<compilerArg>--enable-preview</compilerArg>
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</compilerArgs>
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</configuration>
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</plugin>
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</plugins>
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</build>

‎graal-native-example/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns="http://maven.apache.org/POM/4.0.0"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>io.github.dreamlike-ocean</groupId>
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<artifactId>PanamaUring</artifactId>
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<version>1.0</version>
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</parent>
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<groupId>top.dreamlike</groupId>
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<artifactId>graal-native-example</artifactId>
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<properties>
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<maven.compiler.source>21</maven.compiler.source>
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<maven.compiler.target>21</maven.compiler.target>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<graal.feature>top.dreamlike.graal.PanamaFeature</graal.feature>
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<main.class>top.dreamlike.Main</main.class>
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</properties>
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<profiles>
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<profile>
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<id>native-release</id>
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<build>
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<plugins>
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<plugin>
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<groupId>org.graalvm.buildtools</groupId>
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<artifactId>native-maven-plugin</artifactId>
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<version>0.9.28</version>
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<extensions>true</extensions>
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<executions>
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<execution>
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<id>build-native</id>
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<goals>
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<goal>compile-no-fork</goal>
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</goals>
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<phase>package</phase>
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</execution>
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</executions>
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<configuration>
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<buildArgs>
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<buildArg>--enable-native-access=ALL-UNNAMED</buildArg>
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<buildArg>--no-fallback</buildArg>
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<buildArg>--enable-preview</buildArg>
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<buildArg>--features=${graal.feature}</buildArg>
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<buildArg>-O3</buildArg>
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<buildArg>--gc=G1</buildArg>
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<buildArg>-march=native</buildArg>
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</buildArgs>
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<skipNativeTests>true</skipNativeTests>
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<mainClass>${main.class}</mainClass>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</profile>
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<profile>
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<id>native-debug</id>
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<build>
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<plugins>
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<plugin>
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<groupId>org.graalvm.buildtools</groupId>
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<artifactId>native-maven-plugin</artifactId>
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<version>0.9.28</version>
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<extensions>true</extensions>
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<executions>
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<execution>
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<id>build-native</id>
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<goals>
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<goal>compile-no-fork</goal>
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</goals>
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<phase>package</phase>
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</execution>
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</executions>
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<configuration>
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<buildArgs>
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<buildArg>--enable-native-access=ALL-UNNAMED</buildArg>
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<buildArg>--no-fallback</buildArg>
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<buildArg>--enable-preview</buildArg>
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<buildArg>--features=${graal.feature}</buildArg>
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<buildArg>-Ob</buildArg>
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<buildArg>-g</buildArg>
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</buildArgs>
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<skipNativeTests>true</skipNativeTests>
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<mainClass>${main.class}</mainClass>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</profile>
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</profiles>
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<dependencies>
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<dependency>
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<groupId>org.graalvm.sdk</groupId>
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<artifactId>nativeimage</artifactId>
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<version>23.1.1</version>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>io.github.dreamlike-ocean</groupId>
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<artifactId>panama-generator</artifactId>
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<version>1.1</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<configuration>
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<target>${java.version}</target>
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<source>${java.version}</source>
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<useIncrementalCompilation>false</useIncrementalCompilation>
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<annotationProcessors>
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<annotationProcessor>
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top.dreamlike.panama.generator.proxy.PanamaAnnotationProcessor
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</annotationProcessor>
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</annotationProcessors>
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<compilerArgs>
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<compilerArg>-Aindy.enable=false</compilerArg>
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<compilerArg>-Agenerate.graal.feature.enable=true</compilerArg>
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<compilerArg>-Agenerate.graal.feature.name=${graal.feature}</compilerArg>
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<compilerArg>--enable-preview</compilerArg>
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</compilerArgs>
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</configuration>
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</plugin>
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<plugin>
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<artifactId>maven-shade-plugin</artifactId>
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<version>3.2.4</version>
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<executions>
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<execution>
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<phase>package</phase>
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<goals>
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<goal>shade</goal>
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</goals>
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<configuration>
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<transformers>
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<transformer
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implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
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<manifestEntries>
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<Main-Class>${main.class}</Main-Class>
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</manifestEntries>
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</transformer>
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<transformer
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implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
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</transformers>
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<outputFile>${project.build.directory}/${project.artifactId}-fat.jar
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</outputFile>
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</configuration>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</project>

‎graal-native-example/src/main/java/top/dreamlike/Main.java‎

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package top.dreamlike;
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import net.bytebuddy.dynamic.scaffold.TypeWriter;
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import top.dreamlike.panama.example.Person;
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import top.dreamlike.panama.example.StdLib;
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import top.dreamlike.panama.example.TestContainer;
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import top.dreamlike.panama.generator.proxy.NativeCallGenerator;
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import top.dreamlike.panama.generator.proxy.StructProxyGenerator;
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public class Main {
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private static final StdLib STD_LIB;
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static {
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String dumpFolder = System.getProperty(TypeWriter.DUMP_PROPERTY);
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System.out.println(dumpFolder);
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StructProxyGenerator proxyGenerator = new StructProxyGenerator();
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NativeCallGenerator generator = new NativeCallGenerator(proxyGenerator);
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STD_LIB = generator.generate(StdLib.class);
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proxyGenerator.register(Person.class);
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proxyGenerator.register(TestContainer.class);
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}
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static {
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System.load("/usr/lib/x86_64-linux-gnu/libc.so.6");
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// MemorySegment address = SymbolLookup.loaderLookup()
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// .find("getpid").get();
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// getpid$Mh = Linker.nativeLinker()
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// .downcallHandle(address, FunctionDescriptor.of(ValueLayout.JAVA_INT), Linker.Option.isTrivial());
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}
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public static void main(String[] args) throws Throwable {
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System.out.println(STR."in native?: \{System.getProperty("org.graalvm.nativeimage.kind")}");
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int pid = STD_LIB.getpid();
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System.out.println(STR."pid: \{pid}");
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int add = STD_LIB.add(10, 10);
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System.out.println(STR."add :\{add}");
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Person person = STD_LIB.fillPerson(1, 100L);
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System.out.println(person);
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}
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}

‎graal-native-example/src/main/java/top/dreamlike/panama/example/Person.java‎

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package top.dreamlike.panama.example;
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import top.dreamlike.panama.generator.annotation.CompileTimeGenerate;
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@CompileTimeGenerate
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public class Person {
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int a;
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long n;
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public int getA() {
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return a;
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}
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public void setA(int a) {
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this.a = a;
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}
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public long getN() {
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return n;
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}
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public void setN(long n) {
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this.n = n;
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}
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@Override
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public String toString() {
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return STR."a: \{getA()}, n: \{getN()}";
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}
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}

‎graal-native-example/src/main/java/top/dreamlike/panama/example/StdLib.java‎

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package top.dreamlike.panama.example;
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import top.dreamlike.panama.generator.annotation.CLib;
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import top.dreamlike.panama.generator.annotation.CompileTimeGenerate;
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import top.dreamlike.panama.generator.annotation.NativeFunction;
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@CompileTimeGenerate
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@CLib(value = "./libperson.so", inClassPath = false)
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public interface StdLib {
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@NativeFunction(fast = true)
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int getpid();
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@NativeFunction(fast = true)
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int add(int a, int b);
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@NativeFunction(fast = true, returnIsPointer = true)
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Person fillPerson(int a, long n);
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}

‎graal-native-example/src/main/java/top/dreamlike/panama/example/TestContainer.java‎

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package top.dreamlike.panama.example;
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import top.dreamlike.panama.generator.annotation.CompileTimeGenerate;
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import top.dreamlike.panama.generator.annotation.NativeArrayMark;
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import top.dreamlike.panama.generator.annotation.Union;
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import top.dreamlike.panama.generator.proxy.NativeArray;
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@CompileTimeGenerate
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public class TestContainer {
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int size;
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Person single;
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UnionStruct unionStruct;
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@NativeArrayMark(size = Person.class, length = 3)
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NativeArray<Person> personArray;
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@NativeArrayMark(size = Person.class, length = 5, asPointer = true)
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NativeArray<Person> arrayButPointer;
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public int getSize() {
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return size;
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}
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public void setSize(int size) {
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this.size = size;
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}
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public Person getSingle() {
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return single;
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}
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public void setSingle(Person single) {
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this.single = single;
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}
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public UnionStruct getUnionStruct() {
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return unionStruct;
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}
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public void setUnionStruct(UnionStruct unionStruct) {
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this.unionStruct = unionStruct;
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}
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public NativeArray<Person> getPersonArray() {
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return personArray;
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}
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public void setPersonArray(NativeArray<Person> personArray) {
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this.personArray = personArray;
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}
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public NativeArray<Person> getArrayButPointer() {
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return arrayButPointer;
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}
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public void setArrayButPointer(NativeArray<Person> arrayButPointer) {
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this.arrayButPointer = arrayButPointer;
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}
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@Union
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@CompileTimeGenerate
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public static class UnionStruct {
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int union_a;
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long union_b;
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public int getUnion_a() {
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return union_a;
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}
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public void setUnion_a(int union_a) {
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this.union_a = union_a;
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}
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public long getUnion_b() {
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return union_b;
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}
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public void setUnion_b(long union_b) {
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this.union_b = union_b;
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}
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}
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}

‎libperson.so‎

16.2 KB
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