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

Example 6 with JString

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

the class HSCompilableTruffleAST method cancelCompilation.

@TruffleFromLibGraal(CancelCompilation)
@Override
public boolean cancelCompilation(CharSequence reason) {
    JNIEnv env = env();
    JString jniReason = JNIUtil.createHSString(env, reason.toString());
    return callCancelCompilation(env, getHandle(), jniReason);
}

Example 7 with JString

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

the class HSCompilableTruffleAST method toString.

@TruffleFromLibGraal(CompilableToString)
@Override
public String toString() {
    String res = cachedString;
    if (res == null) {
        JNIEnv env = JNIMethodScope.env();
        JString value = callCompilableToString(env, getHandle());
        res = createString(env, value);
        cachedString = res;
    }
    return res;
}

Example 8 with JString

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

the class HSCompilableTruffleAST method getName.

@TruffleFromLibGraal(GetCompilableName)
@Override
public String getName() {
    String res = cachedName;
    if (res == null) {
        JNIEnv env = JNIMethodScope.env();
        JString name = callGetCompilableName(env, getHandle());
        res = createString(env, name);
        cachedName = res;
    }
    return res;
}

Example 9 with JString

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

the class HSTruffleCompilerRuntime method log.

@TruffleFromLibGraal(Log)
@Override
public void log(String loggerId, CompilableTruffleAST compilable, String message) {
    JNIEnv env = env();
    JString jniLoggerId = JNIUtil.createHSString(env, loggerId);
    JString jniMessage = JNIUtil.createHSString(env, message);
    callLog(env, getHandle(), jniLoggerId, ((HSCompilableTruffleAST) compilable).getHandle(), jniMessage);
}

Example 10 with JString

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

the class JNIExceptionWrapper method createHSException.

/**
 * Crates an exception in HotSpot representing the given {@code original} exception.
 *
 * @param env the {@link JNIEnv}
 * @param original an exception to be created in HotSpot
 */
public static JThrowable createHSException(JNIEnv env, Throwable original) {
    JThrowable hsThrowable;
    if (original instanceof JNIExceptionWrapper) {
        JNIExceptionWrapper jniExceptionWrapper = (JNIExceptionWrapper) original;
        hsThrowable = jniExceptionWrapper.throwableHandle;
        if (jniExceptionWrapper.throwableRequiresStackTraceUpdate) {
            hsThrowable = updateStackTrace(env, hsThrowable, jniExceptionWrapper.getStackTrace());
        }
    } else {
        hsThrowable = createExceptionOfSameType(env, original);
        boolean hasSameExceptionType = hsThrowable.isNonNull();
        if (!hasSameExceptionType) {
            String message = formatExceptionMessage(original.getClass().getName(), original.getMessage());
            JString hsMessage = createHSString(env, message);
            hsThrowable = callCreateException(env, hsMessage);
        }
        StackTraceElement[] nativeStack = original.getStackTrace();
        if (nativeStack.length != 0) {
            // Update stack trace only for exceptions which have stack trace.
            // For exceptions which override fillInStackTrace merging stack traces only adds
            // useless JNI calls.
            StackTraceElement[] hsStack = getJNIExceptionStackTrace(env, hsThrowable);
            StackTraceElement[] mergedStack = mergeStackTraces(hsStack, nativeStack, // exception with same exception
            hasSameExceptionType ? 0 : 1, // type has no factory method
            0, false);
            hsThrowable = updateStackTrace(env, hsThrowable, mergedStack);
        }
    }
    return hsThrowable;
}