Examples with JString org.graalvm.jniutils.JNI.JString used on opensource projects

Example 1 with JString

use of org.graalvm.jniutils.JNI.JString in project graal by oracle.

the class TruffleToLibGraalEntryPoints method getGraphDumpDirectory.

@TruffleToLibGraal(GetGraphDumpDirectory)
@SuppressWarnings({ "unused", "try" })
@CEntryPoint(name = "Java_org_graalvm_compiler_truffle_runtime_hotspot_libgraal_TruffleToLibGraalCalls_getGraphDumpDirectory")
public static JString getGraphDumpDirectory(JNIEnv env, JClass hsClazz, @CEntryPoint.IsolateThreadContext long isolateThreadId) {
    JNIMethodScope scope = LibGraalUtil.openScope(TruffleToLibGraalEntryPoints.class, GetGraphDumpDirectory, env);
    try (JNIMethodScope s = scope) {
        String path = DebugOptions.getDumpDirectory(HotSpotGraalOptionValues.defaultOptions());
        scope.setObjectResult(createHSString(env, path));
    } catch (IOException ioe) {
        scope.setObjectResult(WordFactory.nullPointer());
    } catch (Throwable t) {
        JNIExceptionWrapper.throwInHotSpot(env, t);
        scope.setObjectResult(WordFactory.nullPointer());
    }
    return scope.getObjectResult();
}

Example 2 with JString

use of org.graalvm.jniutils.JNI.JString in project graal by oracle.

the class JNIExceptionWrapper method getClassName.

private static String getClassName(JNIEnv env, JThrowable throwableHandle) {
    JClass classHandle = GetObjectClass(env, throwableHandle);
    JString className = callGetClassName(env, classHandle);
    return createString(env, className);
}

Example 3 with JString

use of org.graalvm.jniutils.JNI.JString in project graal by oracle.

the class TruffleToLibGraalEntryPoints method openDebugContextScope.

@TruffleToLibGraal(OpenDebugContextScope)
@CEntryPoint(name = "Java_org_graalvm_compiler_truffle_runtime_hotspot_libgraal_TruffleToLibGraalCalls_openDebugContextScope")
@SuppressWarnings({ "unused", "try" })
public static long openDebugContextScope(JNIEnv env, JClass hsClazz, @CEntryPoint.IsolateThreadContext long isolateThreadId, long handle, JString hsName, long compilationHandle) {
    try (JNIMethodScope s = LibGraalUtil.openScope(TruffleToLibGraalEntryPoints.class, OpenDebugContextScope, env)) {
        TruffleDebugContext debugContext = LibGraalObjectHandles.resolve(handle, TruffleDebugContext.class);
        String name = createString(env, hsName);
        AutoCloseable scope;
        if (compilationHandle == 0) {
            scope = debugContext.scope(name);
        } else {
            TruffleCompilationIdentifier compilation = LibGraalObjectHandles.resolve(compilationHandle, TruffleCompilationIdentifier.class);
            scope = debugContext.scope(name, new TruffleDebugJavaMethod(compilation.getCompilable()));
        }
        if (scope == null) {
            return 0;
        }
        long scopeHandle = LibGraalObjectHandles.create(scope);
        return scopeHandle;
    } catch (Throwable t) {
        JNIExceptionWrapper.throwInHotSpot(env, t);
        return 0;
    }
}

Example 4 with JString

use of org.graalvm.jniutils.JNI.JString in project graal by oracle.

the class TruffleToLibGraalEntryPoints method getCompilerConfigurationName.

@TruffleToLibGraal(GetCompilerConfigurationName)
@SuppressWarnings({ "unused", "try" })
@CEntryPoint(name = "Java_org_graalvm_compiler_truffle_runtime_hotspot_libgraal_TruffleToLibGraalCalls_getCompilerConfigurationName")
public static JString getCompilerConfigurationName(JNIEnv env, JClass hsClazz, @CEntryPoint.IsolateThreadContext long isolateId, long handle) {
    JNIMethodScope scope = LibGraalUtil.openScope(TruffleToLibGraalEntryPoints.class, GetCompilerConfigurationName, env);
    try (JNIMethodScope s = scope) {
        HotSpotTruffleCompilerImpl compiler = LibGraalObjectHandles.resolve(handle, HotSpotTruffleCompilerImpl.class);
        String name = compiler.getCompilerConfigurationName();
        scope.setObjectResult(createHSString(env, name));
    } catch (Throwable t) {
        JNIExceptionWrapper.throwInHotSpot(env, t);
        scope.setObjectResult(WordFactory.nullPointer());
    }
    return scope.getObjectResult();
}

Example 5 with JString

use of org.graalvm.jniutils.JNI.JString in project graal by oracle.

the class TruffleToLibGraalEntryPoints method getString.

@TruffleToLibGraal(GetSuppliedString)
@CEntryPoint(name = "Java_org_graalvm_compiler_truffle_runtime_hotspot_libgraal_TruffleToLibGraalCalls_getSuppliedString")
@SuppressWarnings({ "unused", "unchecked", "try" })
public static JString getString(JNIEnv env, JClass hsClazz, @CEntryPoint.IsolateThreadContext long isolateThreadId, long handle) {
    JNIMethodScope scope = LibGraalUtil.openScope(TruffleToLibGraalEntryPoints.class, GetSuppliedString, env);
    try (JNIMethodScope s = scope) {
        Supplier<String> orig = LibGraalObjectHandles.resolve(handle, Supplier.class);
        if (orig != null) {
            String stackTrace = orig.get();
            scope.setObjectResult(JNIUtil.createHSString(env, stackTrace));
        } else {
            scope.setObjectResult(WordFactory.nullPointer());
        }
    } catch (Throwable t) {
        JNIExceptionWrapper.throwInHotSpot(env, t);
        scope.setObjectResult(WordFactory.nullPointer());
    }
    return scope.getObjectResult();
}