Example usage for org.objectweb.asm.tree MethodNode visitInsn

List of usage examples for org.objectweb.asm.tree MethodNode visitInsn

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In this page you can find the example usage for org.objectweb.asm.tree MethodNode visitInsn.

Prototype

@Override
    public void visitInsn(final int opcode)

Source Link

Usage

From source file:org.jacoco.core.internal.analysis.filter.GroovyGeneratedFilterTest.java

License:Open Source License

@Test
public void testOtherAnnotation() {
    final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION, 0, "hashCode", "()I", null, null);
    m.visitAnnotation("Lother/Annotation;", true);

    m.visitInsn(Opcodes.ICONST_0);
    m.visitInsn(Opcodes.IRETURN);/*  ww w.  j  a v a  2 s .c o  m*/

    filter.filter("Foo", "java/lang/Object", m, this);

    assertNull(fromInclusive);
    assertNull(toInclusive);
}

From source file:org.jacoco.core.internal.analysis.filter.GroovyGeneratedFilterTest.java

License:Open Source License

@Test
public void testGroovyGeneratedAnnotation() {
    final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION, 0, "hashCode", "()I", null, null);
    m.visitAnnotation("Lgroovy/transform/Generated;", true);

    m.visitInsn(Opcodes.ICONST_0);
    m.visitInsn(Opcodes.IRETURN);//from   ww  w .j  a  v a  2 s . c o  m

    filter.filter("Foo", "java/lang/Object", m, this);

    assertEquals(m.instructions.getFirst(), fromInclusive);
    assertEquals(m.instructions.getLast(), toInclusive);
}

From source file:org.jacoco.core.internal.analysis.filter.KotlinCoroutineFilterTest.java

License:Open Source License

@Test
public void should_filter_suspending_lambdas_generated_by_Kotlin_1_3_30() {
    final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION, 0, "invokeSuspend",
            "(Ljava/lang/Object;)Ljava/lang/Object;", null, null);
    context.classAnnotations.add(KotlinGeneratedFilter.KOTLIN_METADATA_DESC);

    m.visitLabel(new Label());
    final Range range1 = new Range();
    range1.fromInclusive = m.instructions.getLast();
    m.visitMethodInsn(Opcodes.INVOKESTATIC, "kotlin/coroutines/intrinsics/IntrinsicsKt",
            "getCOROUTINE_SUSPENDED", "()Ljava/lang/Object;", false);
    m.visitVarInsn(Opcodes.ASTORE, 4);// w w w . j  av  a 2  s .c om

    m.visitVarInsn(Opcodes.ALOAD, 0);
    // line of "runBlocking"
    m.visitFieldInsn(Opcodes.GETFIELD, "Target", "label", "I");
    final Label dflt = new Label();
    final Label state0 = new Label();
    final Label state1 = new Label();
    m.visitTableSwitchInsn(0, 1, dflt, state0, state1);

    m.visitLabel(state0);

    {
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitMethodInsn(Opcodes.INVOKESTATIC, "kotlin/ResultKt", "throwOnFailure", "(Ljava/lang/Object;)V",
                false);
        range1.toInclusive = m.instructions.getLast();
    }

    // line before "suspendingFunction"
    m.visitInsn(Opcodes.NOP);

    // line of "suspendingFunction"
    m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "", "suspendingFunction",
            "(Lkotlin/coroutines/Continuation;)Ljava/lang/Object;", false);

    m.visitInsn(Opcodes.DUP);
    final Range range2 = new Range();
    range2.fromInclusive = m.instructions.getLast();
    m.visitVarInsn(Opcodes.ALOAD, 4);
    final Label continuationLabelAfterLoadedResult = new Label();
    m.visitJumpInsn(Opcodes.IF_ACMPNE, continuationLabelAfterLoadedResult);
    // line of "runBlocking"
    m.visitVarInsn(Opcodes.ALOAD, 4);
    m.visitInsn(Opcodes.ARETURN);

    m.visitLabel(state1);

    m.visitVarInsn(Opcodes.ALOAD, 0);
    m.visitFieldInsn(Opcodes.GETFIELD, "Target", "I$0", "I");
    m.visitVarInsn(Opcodes.ISTORE, 3);

    {
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitMethodInsn(Opcodes.INVOKESTATIC, "kotlin/ResultKt", "throwOnFailure", "(Ljava/lang/Object;)V",
                false);
    }
    m.visitVarInsn(Opcodes.ALOAD, 1);
    range2.toInclusive = m.instructions.getLast();
    m.visitLabel(continuationLabelAfterLoadedResult);

    // line after "suspendingFunction"
    m.visitInsn(Opcodes.NOP);
    m.visitInsn(Opcodes.ARETURN);

    m.visitLabel(dflt);
    final Range range0 = new Range();
    range0.fromInclusive = m.instructions.getLast();
    m.visitTypeInsn(Opcodes.NEW, "java/lang/IllegalStateException");
    m.visitInsn(Opcodes.DUP);
    m.visitLdcInsn("call to 'resume' before 'invoke' with coroutine");
    m.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/IllegalStateException", "<init>",
            "(Ljava/lang/String;)V", false);
    m.visitInsn(Opcodes.ATHROW);
    range0.toInclusive = m.instructions.getLast();

    filter.filter(m, context, output);

    assertIgnored(range0, range1, range2);
}

From source file:org.jacoco.core.internal.analysis.filter.KotlinCoroutineFilterTest.java

License:Open Source License

/**
 * <pre>/*from  w  ww.j ava  2 s .  c  om*/
 *     runBlocking {
 *         val x = 42
 *         nop(x)
 *         suspendingFunction()
 *         nop(x)
 *     }
 * </pre>
 */
@Test
public void should_filter_suspending_lambdas() {
    final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION, 0, "invokeSuspend",
            "(Ljava/lang/Object;)Ljava/lang/Object;", null, null);
    context.classAnnotations.add(KotlinGeneratedFilter.KOTLIN_METADATA_DESC);

    m.visitLabel(new Label());
    final Range range1 = new Range();
    range1.fromInclusive = m.instructions.getLast();
    m.visitMethodInsn(Opcodes.INVOKESTATIC, "kotlin/coroutines/intrinsics/IntrinsicsKt",
            "getCOROUTINE_SUSPENDED", "()Ljava/lang/Object;", false);
    m.visitVarInsn(Opcodes.ASTORE, 4);

    m.visitVarInsn(Opcodes.ALOAD, 0);
    // line of "runBlocking"
    m.visitFieldInsn(Opcodes.GETFIELD, "Target", "label", "I");
    final Label dflt = new Label();
    final Label state0 = new Label();
    final Label state1 = new Label();
    m.visitTableSwitchInsn(0, 1, dflt, state0, state1);

    m.visitLabel(state0);

    {
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitInsn(Opcodes.DUP);
        m.visitTypeInsn(Opcodes.INSTANCEOF, "kotlin/Result$Failure");
        Label label = new Label();
        m.visitJumpInsn(Opcodes.IFEQ, label);
        m.visitTypeInsn(Opcodes.CHECKCAST, "kotlin/Result$Failure");
        m.visitFieldInsn(Opcodes.GETFIELD, "kotlin/Result$Failure", "exception", "Ljava/lang/Throwable");
        m.visitInsn(Opcodes.ATHROW);
        m.visitInsn(Opcodes.POP);
        range1.toInclusive = m.instructions.getLast();
        m.visitLabel(label);
    }

    // line before "suspendingFunction"
    m.visitInsn(Opcodes.NOP);

    // line of "suspendingFunction"
    m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "", "suspendingFunction",
            "(Lkotlin/coroutines/Continuation;)Ljava/lang/Object;", false);

    m.visitInsn(Opcodes.DUP);
    final Range range2 = new Range();
    range2.fromInclusive = m.instructions.getLast();
    m.visitVarInsn(Opcodes.ALOAD, 4);
    final Label continuationLabelAfterLoadedResult = new Label();
    m.visitJumpInsn(Opcodes.IF_ACMPNE, continuationLabelAfterLoadedResult);
    // line of "runBlocking"
    m.visitVarInsn(Opcodes.ALOAD, 4);
    m.visitInsn(Opcodes.ARETURN);

    m.visitLabel(state1);

    m.visitVarInsn(Opcodes.ALOAD, 0);
    m.visitFieldInsn(Opcodes.GETFIELD, "Target", "I$0", "I");
    m.visitVarInsn(Opcodes.ISTORE, 3);

    {
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitInsn(Opcodes.DUP);
        m.visitTypeInsn(Opcodes.INSTANCEOF, "kotlin/Result$Failure");
        final Label label = new Label();
        m.visitJumpInsn(Opcodes.IFEQ, label);
        m.visitTypeInsn(Opcodes.CHECKCAST, "kotlin/Result$Failure");
        m.visitFieldInsn(Opcodes.GETFIELD, "kotlin/Result$Failure", "exception", "Ljava/lang/Throwable");
        m.visitInsn(Opcodes.ATHROW);
        m.visitInsn(Opcodes.POP);
        m.visitLabel(label);
    }
    m.visitVarInsn(Opcodes.ALOAD, 1);
    range2.toInclusive = m.instructions.getLast();
    m.visitLabel(continuationLabelAfterLoadedResult);

    // line after "suspendingFunction"
    m.visitInsn(Opcodes.NOP);
    m.visitInsn(Opcodes.ARETURN);

    m.visitLabel(dflt);
    final Range range0 = new Range();
    range0.fromInclusive = m.instructions.getLast();
    m.visitTypeInsn(Opcodes.NEW, "java/lang/IllegalStateException");
    m.visitInsn(Opcodes.DUP);
    m.visitLdcInsn("call to 'resume' before 'invoke' with coroutine");
    m.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/IllegalStateException", "<init>",
            "(Ljava/lang/String;)V", false);
    m.visitInsn(Opcodes.ATHROW);
    range0.toInclusive = m.instructions.getLast();

    filter.filter(m, context, output);

    assertIgnored(range0, range1, range2);
}

From source file:org.jacoco.core.internal.analysis.filter.KotlinCoroutineFilterTest.java

License:Open Source License

/**
 * <pre>/*from  w  w w. jav  a  2 s  .  c  o  m*/
 *     suspend fun example() {
 *         suspendingFunction()
 *         nop()
 *     }
 * </pre>
 */
@Test
public void should_filter_suspending_functions() {
    final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION, Opcodes.ACC_STATIC, "example",
            "(Lkotlin/coroutines/Continuation;)Ljava/lang/Object;", null, null);
    context.classAnnotations.add(KotlinGeneratedFilter.KOTLIN_METADATA_DESC);

    final int continuationArgumentIndex = 0;
    final int continuationIndex = 2;

    m.visitVarInsn(Opcodes.ALOAD, continuationArgumentIndex);
    final Range range1 = new Range();
    range1.fromInclusive = m.instructions.getLast();
    m.visitTypeInsn(Opcodes.INSTANCEOF, "ExampleKt$example$1");
    final Label createStateInstance = new Label();
    m.visitJumpInsn(Opcodes.IFEQ, createStateInstance);

    m.visitVarInsn(Opcodes.ALOAD, continuationArgumentIndex);
    m.visitTypeInsn(Opcodes.CHECKCAST, "ExampleKt$example$1");
    m.visitVarInsn(Opcodes.ASTORE, continuationIndex);

    m.visitVarInsn(Opcodes.ALOAD, continuationIndex);
    m.visitFieldInsn(Opcodes.GETFIELD, "ExampleKt$example$1", "label", "I");

    m.visitLdcInsn(Integer.valueOf(Integer.MIN_VALUE));
    m.visitInsn(Opcodes.IAND);
    m.visitJumpInsn(Opcodes.IFEQ, createStateInstance);

    m.visitVarInsn(Opcodes.ALOAD, continuationIndex);
    m.visitInsn(Opcodes.DUP);
    m.visitFieldInsn(Opcodes.GETFIELD, "ExampleKt$example$1", "label", "I");

    m.visitLdcInsn(Integer.valueOf(Integer.MIN_VALUE));
    m.visitInsn(Opcodes.ISUB);
    m.visitFieldInsn(Opcodes.PUTFIELD, "ExampleKt$example$1", "label", "I");

    final Label afterCoroutineStateCreated = new Label();
    m.visitJumpInsn(Opcodes.GOTO, afterCoroutineStateCreated);

    m.visitLabel(createStateInstance);

    m.visitTypeInsn(Opcodes.NEW, "ExampleKt$example$1");
    m.visitInsn(Opcodes.DUP);
    m.visitVarInsn(Opcodes.ALOAD, continuationArgumentIndex);
    m.visitMethodInsn(Opcodes.INVOKESPECIAL, "ExampleKt$example$1", "<init>",
            "(Lkotlin/coroutines/Continuation;)V", false);

    m.visitVarInsn(Opcodes.ASTORE, continuationIndex);

    m.visitLabel(afterCoroutineStateCreated);

    m.visitVarInsn(Opcodes.ALOAD, continuationIndex);
    m.visitFieldInsn(Opcodes.GETFIELD, "ExampleKt$example$1", "result", "Ljava/lang/Object;");
    m.visitVarInsn(Opcodes.ASTORE, 1);

    m.visitMethodInsn(Opcodes.INVOKESTATIC, "kotlin/coroutines/intrinsics/IntrinsicsKt",
            "getCOROUTINE_SUSPENDED", "()Ljava/lang/Object;", false);

    // line of "fun"
    m.visitVarInsn(Opcodes.ASTORE, 3);

    m.visitVarInsn(Opcodes.ALOAD, continuationIndex);
    m.visitFieldInsn(Opcodes.GETFIELD, "ExampleKt$example$1", "label", "I");
    final Label dflt = new Label();
    final Label state0 = new Label();
    final Label state1 = new Label();
    m.visitTableSwitchInsn(0, 1, dflt, state0, state1);

    m.visitLabel(state0);

    {
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitInsn(Opcodes.DUP);
        m.visitTypeInsn(Opcodes.INSTANCEOF, "kotlin/Result$Failure");
        Label label = new Label();
        m.visitJumpInsn(Opcodes.IFEQ, label);
        m.visitTypeInsn(Opcodes.CHECKCAST, "kotlin/Result$Failure");
        m.visitFieldInsn(Opcodes.GETFIELD, "kotlin/Result$Failure", "exception", "Ljava/lang/Throwable");
        m.visitInsn(Opcodes.ATHROW);
        m.visitInsn(Opcodes.POP);
        range1.toInclusive = m.instructions.getLast();
        m.visitLabel(label);
    }

    // line of "suspendingFunction"
    m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "", "suspendingFunction",
            "(Lkotlin/coroutines/Continuation;)Ljava/lang/Object;", false);

    m.visitInsn(Opcodes.DUP);
    final Range range2 = new Range();
    range2.fromInclusive = m.instructions.getLast();
    m.visitVarInsn(Opcodes.ALOAD, 3);
    final Label continuationLabelAfterLoadedResult = new Label();
    m.visitJumpInsn(Opcodes.IF_ACMPNE, continuationLabelAfterLoadedResult);
    // line of "fun"
    m.visitVarInsn(Opcodes.ALOAD, 3);
    m.visitInsn(Opcodes.ARETURN);

    m.visitLabel(state1);

    {
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitInsn(Opcodes.DUP);
        m.visitTypeInsn(Opcodes.INSTANCEOF, "kotlin/Result$Failure");
        final Label label = new Label();
        m.visitJumpInsn(Opcodes.IFEQ, label);
        m.visitTypeInsn(Opcodes.CHECKCAST, "kotlin/Result$Failure");
        m.visitFieldInsn(Opcodes.GETFIELD, "kotlin/Result$Failure", "exception", "Ljava/lang/Throwable");
        m.visitInsn(Opcodes.ATHROW);
        m.visitInsn(Opcodes.POP);
        m.visitLabel(label);
    }
    m.visitVarInsn(Opcodes.ALOAD, 1);
    range2.toInclusive = m.instructions.getLast();
    m.visitLabel(continuationLabelAfterLoadedResult);

    // line after "suspendingFunction"
    m.visitInsn(Opcodes.NOP);
    m.visitInsn(Opcodes.ARETURN);

    m.visitLabel(dflt);
    final Range range0 = new Range();
    range0.fromInclusive = m.instructions.getLast();
    m.visitTypeInsn(Opcodes.NEW, "java/lang/IllegalStateException");
    m.visitInsn(Opcodes.DUP);
    m.visitLdcInsn("call to 'resume' before 'invoke' with coroutine");
    m.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/IllegalStateException", "<init>",
            "(Ljava/lang/String;)V", false);
    m.visitInsn(Opcodes.ATHROW);
    range0.toInclusive = m.instructions.getLast();

    filter.filter(m, context, output);

    assertIgnored(range0, range1, range2);
}

From source file:org.jacoco.core.internal.analysis.filter.KotlinDefaultArgumentsFilterTest.java

License:Open Source License

private static MethodNode createMethod(final int access, final String name, final String descriptor) {
    final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION, access, name, descriptor, null, null);

    m.visitVarInsn(Opcodes.ILOAD, 2);/*  w w  w  .  j a v a 2s.co m*/
    m.visitInsn(Opcodes.ICONST_1);
    m.visitInsn(Opcodes.IAND);
    final Label label = new Label();
    m.visitJumpInsn(Opcodes.IFEQ, label);
    // default argument
    m.visitLdcInsn(Integer.valueOf(42));
    m.visitVarInsn(Opcodes.ISTORE, 1);
    m.visitLabel(label);

    m.visitVarInsn(Opcodes.ALOAD, 0);
    m.visitVarInsn(Opcodes.ILOAD, 1);
    m.visitMethodInsn(Opcodes.INVOKESPECIAL, "Target", "origin", "(I)V", false);
    m.visitInsn(Opcodes.RETURN);

    return m;
}

From source file:org.jacoco.core.internal.analysis.filter.KotlinDefaultArgumentsFilterTest.java

License:Open Source License

/**
 * <pre>//from   w w w.j  a  va  2s.c  om
 * open class Open {
 *     open fun foo(a: Int = 42) {
 *     }
 * }
 * </pre>
 */
@Test
public void should_filter_open_functions() {
    final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION, Opcodes.ACC_SYNTHETIC, "foo$default",
            "(LOpen;IILjava/lang/Object;)V", null, null);
    context.classAnnotations.add(KotlinGeneratedFilter.KOTLIN_METADATA_DESC);
    {
        m.visitVarInsn(Opcodes.ALOAD, 3);
        final Label label = new Label();
        m.visitJumpInsn(Opcodes.IFNULL, label);
        m.visitTypeInsn(Opcodes.NEW, "java/lang/UnsupportedOperationException");
        m.visitInsn(Opcodes.DUP);
        m.visitLdcInsn("Super calls with default arguments not supported in this target, function: foo");
        m.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/UnsupportedOperationException", "<init>",
                "(Ljava/lang/String;)V", false);
        m.visitInsn(Opcodes.ATHROW);
        m.visitLabel(label);
    }
    {
        m.visitVarInsn(Opcodes.ILOAD, 2);
        m.visitInsn(Opcodes.ICONST_1);
        m.visitInsn(Opcodes.IAND);
        final Label label = new Label();
        m.visitJumpInsn(Opcodes.IFEQ, label);
        // default argument
        m.visitLdcInsn(Integer.valueOf(42));
        m.visitVarInsn(Opcodes.ISTORE, 1);
        m.visitLabel(label);

        m.visitVarInsn(Opcodes.ALOAD, 0);
        m.visitVarInsn(Opcodes.ILOAD, 1);
        m.visitMethodInsn(Opcodes.INVOKESPECIAL, "Open", "foo", "(I)V", false);
        m.visitInsn(Opcodes.RETURN);
    }

    filter.filter(m, context, output);

    assertIgnored(new Range(m.instructions.getFirst(), m.instructions.get(6)),
            new Range(m.instructions.get(11), m.instructions.get(11)));
}

From source file:org.jacoco.core.internal.analysis.filter.KotlinDefaultArgumentsFilterTest.java

License:Open Source License

/**
 * <pre>//from  www  .  java 2s  .com
 * class C(a: Int = 42)
 * </pre>
 */
@Test
public void should_filter_constructors() {
    final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION, Opcodes.ACC_SYNTHETIC, "<init>",
            "(IILkotlin/jvm/internal/DefaultConstructorMarker;)V", null, null);
    context.classAnnotations.add(KotlinGeneratedFilter.KOTLIN_METADATA_DESC);

    m.visitVarInsn(Opcodes.ILOAD, 2);
    m.visitInsn(Opcodes.ICONST_1);
    m.visitInsn(Opcodes.IAND);
    Label label = new Label();
    m.visitJumpInsn(Opcodes.IFEQ, label);
    // default argument
    m.visitLdcInsn(Integer.valueOf(42));
    m.visitVarInsn(Opcodes.ISTORE, 1);
    m.visitLabel(label);
    m.visitVarInsn(Opcodes.ALOAD, 0);
    m.visitVarInsn(Opcodes.ILOAD, 1);
    m.visitMethodInsn(Opcodes.INVOKESPECIAL, "Owner", "<init>", "(I)V", false);
    m.visitInsn(Opcodes.RETURN);

    filter.filter(m, context, output);

    assertIgnored(new Range(m.instructions.get(3), m.instructions.get(3)));
}

From source file:org.jacoco.core.internal.analysis.filter.KotlinDefaultArgumentsFilterTest.java

License:Open Source License

/**
 * <pre>/*from  w  ww  .j  a  va2s  .  c  o  m*/
 * data class C(val x: Long = 42)
 * </pre>
 */
@Test
public void should_filter_methods_with_parameters_that_consume_two_slots() {
    final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION, Opcodes.ACC_SYNTHETIC, "<init>",
            "(JILkotlin/jvm/internal/DefaultConstructorMarker;)V", null, null);
    context.classAnnotations.add(KotlinGeneratedFilter.KOTLIN_METADATA_DESC);

    m.visitVarInsn(Opcodes.ILOAD, 3);
    m.visitInsn(Opcodes.ICONST_1);
    m.visitInsn(Opcodes.IAND);
    final Label label = new Label();
    m.visitJumpInsn(Opcodes.IFEQ, label);
    // default argument
    m.visitLdcInsn(Integer.valueOf(42));
    m.visitVarInsn(Opcodes.ISTORE, 1);
    m.visitLabel(label);
    m.visitVarInsn(Opcodes.ALOAD, 0);
    m.visitVarInsn(Opcodes.ILOAD, 1);
    m.visitMethodInsn(Opcodes.INVOKESPECIAL, "Owner", "<init>", "(J)V", false);
    m.visitInsn(Opcodes.RETURN);

    filter.filter(m, context, output);

    assertIgnored(new Range(m.instructions.get(3), m.instructions.get(3)));
}

From source file:org.jacoco.core.internal.analysis.filter.KotlinGeneratedFilterTest.java

License:Open Source License

@Test
public void testNoLinesForKotlinWithDebug() {
    final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION, 0, "hashCode", "()I", null, null);
    m.visitInsn(Opcodes.ICONST_0);
    m.visitInsn(Opcodes.IRETURN);// w w w.java2  s. c  om
    context.classAnnotations.add(KotlinGeneratedFilter.KOTLIN_METADATA_DESC);

    filter.filter(m, context, output);

    assertMethodIgnored(m);
}