Example usage for org.objectweb.asm Opcodes NOP

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In this page you can find the example usage for org.objectweb.asm Opcodes NOP.

Prototype

int NOP

To view the source code for org.objectweb.asm Opcodes NOP.

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Usage

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 a  v a2 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 w  w.j a  va  2  s . com*/
 *     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 .  ja v  a2  s .  c  om*/
 *     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.KotlinInlineFilterTest.java

License:Open Source License

@Test
public void should_filter() {
    context.sourceFileName = "callsite.kt";
    context.sourceDebugExtension = "" //
            + "SMAP\n" //
            + "callsite.kt\n" // OutputFileName=callsite.kt
            + "Kotlin\n" // DefaultStratumId=Kotlin
            + "*S Kotlin\n" // StratumID=Kotlin
            + "*F\n" // FileSection
            + "+ 1 callsite.kt\n" // FileID=1,FileName=callsite.kt
            + "CallsiteKt\n" //
            + "+ 2 a.kt\n" // FileID=2,FileName=a.kt
            + "AKt\n" //
            + "+ 3 b.kt\n" // FileID=3,FileName=b.kt
            + "BKt\n" //
            + "*L\n" // LineSection
            + "1#1,8:1\n" // InputStartLine=1,LineFileID=1,RepeatCount=8,OutputStartLine=1
            + "2#2,2:9\n" // InputStartLine=2,LineFileID=2,RepeatCount=2,OutputStartLine=9
            + "2#3,2:11\n" // InputStartLine=2,LineFileID=3,RepeatCount=2,OutputStartLine=11
            + "*E\n"; // EndSection
    context.classAnnotations.add(KotlinGeneratedFilter.KOTLIN_METADATA_DESC);

    m.visitLineNumber(2, new Label());
    m.visitInsn(Opcodes.NOP);

    m.visitLineNumber(9, new Label());
    shouldIgnorePrevious(m);/*from   www .ja v a 2s . c o m*/
    m.visitMethodInsn(Opcodes.INVOKESTATIC, "Stubs", "nop", "()V", false);
    shouldIgnorePrevious(m);
    m.visitLineNumber(10, new Label());
    shouldIgnorePrevious(m);
    m.visitInsn(Opcodes.NOP);
    shouldIgnorePrevious(m);

    m.visitLineNumber(3, new Label());
    m.visitInsn(Opcodes.NOP);

    m.visitLineNumber(11, new Label());
    shouldIgnorePrevious(m);
    m.visitMethodInsn(Opcodes.INVOKESTATIC, "Stubs", "nop", "()V", false);
    shouldIgnorePrevious(m);
    m.visitLineNumber(12, new Label());
    shouldIgnorePrevious(m);
    m.visitInsn(Opcodes.NOP);
    shouldIgnorePrevious(m);

    m.visitLineNumber(4, new Label());
    m.visitInsn(Opcodes.RETURN);

    filter.filter(m, context, output);

    assertIgnored(expectedRanges.toArray(new Range[0]));

    // should not reparse:
    context.sourceDebugExtension = "";
    filter.filter(m, context, output);
}

---

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

License:Open Source License

/**
 * <pre>//w ww .  j  ava  2 s . co m
 *     inline fun inlined_top_level() {
 *       Stubs.nop()
 *     }
 *
 *     class Callsite {
 *       fun inlined() {
 *           Stubs.nop()
 *       }
 *
 *       fun callsite {
 *         inlined_top_level()
 *         inlined()
 *       }
 *     }
 * </pre>
 */
@Test
public void should_filter_when_in_same_file() {
    context.sourceFileName = "example.kt";
    context.sourceDebugExtension = "" //
            + "SMAP\n" //
            + "example.kt\n" // OutputFileName=example.kt
            + "Kotlin\n" // DefaultStratumId=Kotlin
            + "*S Kotlin\n" // StratumID=Kotlin
            + "*F\n" // FileSection
            + "+ 1 example.kt\n" // FileID=1,FileName=example.kt
            + "Callsite\n" //
            + "+ 2 example.kt\n" // FileID=2,FileName=example.kt
            + "ExampleKt\n" //
            + "*L\n" // LineSection
            + "1#1,15:1\n" // InputStartLine=1,LineFileID=1,RepeatCount=10,OutputStartLine=1
            + "7#1,2:18\n" // InputStartLine=7,LineFileID=1,RepeatCount=2,OutputStartLine=18
            + "2#2,2:16\n" // InputStartLine=2,LineFileID=2,RepeatCount=2,OutputStartLine=16
            + "*E\n"; // EndSection
    context.classAnnotations.add(KotlinGeneratedFilter.KOTLIN_METADATA_DESC);

    m.visitLineNumber(11, new Label());
    m.visitInsn(Opcodes.NOP);
    m.visitLineNumber(16, new Label());
    shouldIgnorePrevious(m);
    m.visitMethodInsn(Opcodes.INVOKESTATIC, "Stubs", "nop", "()V", false);
    shouldIgnorePrevious(m);
    m.visitLineNumber(17, new Label());
    shouldIgnorePrevious(m);
    m.visitInsn(Opcodes.NOP);
    shouldIgnorePrevious(m);

    m.visitLineNumber(12, new Label());
    m.visitVarInsn(Opcodes.ALOAD, 0);
    m.visitVarInsn(Opcodes.ASTORE, 1);
    m.visitLineNumber(18, new Label());
    shouldIgnorePrevious(m);
    m.visitMethodInsn(Opcodes.INVOKESTATIC, "Stubs", "nop", "()V", false);
    shouldIgnorePrevious(m);
    m.visitLineNumber(19, new Label());
    shouldIgnorePrevious(m);
    m.visitInsn(Opcodes.NOP);
    shouldIgnorePrevious(m);

    m.visitLineNumber(13, new Label());
    m.visitInsn(Opcodes.RETURN);

    filter.filter(m, context, output);

    assertIgnored(expectedRanges.toArray(new Range[0]));
}

---

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

License:Open Source License

@Test
public void should_filter_implicit_else() {
    final Label label = new Label();

    final Range range1 = new Range();

    m.visitInsn(Opcodes.NOP);

    m.visitJumpInsn(Opcodes.IFEQ, label);
    range1.fromInclusive = m.instructions.getLast();
    range1.toInclusive = m.instructions.getLast();

    m.visitInsn(Opcodes.NOP);//w w w. ja  va2s . c om

    final Range range2 = new Range();
    m.visitLabel(label);
    range2.fromInclusive = m.instructions.getLast();
    m.visitTypeInsn(Opcodes.NEW, "kotlin/NoWhenBranchMatchedException");
    m.visitInsn(Opcodes.DUP);
    m.visitMethodInsn(Opcodes.INVOKESPECIAL, "kotlin/NoWhenBranchMatchedException", "<init>", "()V", false);
    m.visitInsn(Opcodes.ATHROW);
    range2.toInclusive = m.instructions.getLast();

    filter.filter(m, context, output);

    assertIgnored(range1, range2);
    assertNoReplacedBranches();
}

---

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

License:Open Source License

@Test
public void should_not_filter_explicit_else() {
    final Label label = new Label();

    m.visitInsn(Opcodes.NOP);

    m.visitJumpInsn(Opcodes.IFEQ, label);

    m.visitInsn(Opcodes.NOP);/*from ww  w  .  ja v  a 2s. c  o  m*/

    m.visitLabel(label);
    m.visitTypeInsn(Opcodes.NEW, "kotlin/NoWhenBranchMatchedException");
    m.visitInsn(Opcodes.DUP);
    m.visitMethodInsn(Opcodes.INVOKESPECIAL, "kotlin/NoWhenBranchMatchedException", "<init>", "()V", false);
    m.visitTypeInsn(Opcodes.CHECKCAST, "java/lang/Throwable");
    m.visitInsn(Opcodes.ATHROW);

    filter.filter(m, context, output);

    assertIgnored();
    assertNoReplacedBranches();
}

---

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

License:Open Source License

@Test
public void should_filter_implicit_default() {
    final Label case1 = new Label();
    final Label caseDefault = new Label();
    final Label after = new Label();

    m.visitInsn(Opcodes.NOP);

    m.visitTableSwitchInsn(0, 0, caseDefault, case1);
    final AbstractInsnNode switchNode = m.instructions.getLast();
    final Set<AbstractInsnNode> newTargets = new HashSet<AbstractInsnNode>();

    m.visitLabel(case1);
    m.visitInsn(Opcodes.ICONST_1);//from ww  w  .j a v a 2s .  c o  m
    newTargets.add(m.instructions.getLast());
    m.visitJumpInsn(Opcodes.GOTO, after);

    final Range range1 = new Range();
    m.visitLabel(caseDefault);
    range1.fromInclusive = m.instructions.getLast();
    m.visitTypeInsn(Opcodes.NEW, "kotlin/NoWhenBranchMatchedException");
    m.visitInsn(Opcodes.DUP);
    m.visitMethodInsn(Opcodes.INVOKESPECIAL, "kotlin/NoWhenBranchMatchedException", "<init>", "()V", false);
    m.visitInsn(Opcodes.ATHROW);
    range1.toInclusive = m.instructions.getLast();

    m.visitLabel(after);

    filter.filter(m, context, output);

    assertIgnored(range1);
    assertReplacedBranches(switchNode, newTargets);
}

---

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

License:Open Source License

@Test
public void javac() {
    final Label start = new Label();
    final Label end = new Label();
    final Label handler = new Label();
    final Label handlerEnd = new Label();
    m.visitTryCatchBlock(start, end, handler, null);
    m.visitTryCatchBlock(handler, handlerEnd, handler, null);

    m.visitVarInsn(Opcodes.ALOAD, 0);//from  ww  w.j  a va 2 s .  c o  m
    m.visitFieldInsn(Opcodes.GETFIELD, "Fun", "lock", "Ljava/lang/Object;");
    m.visitInsn(Opcodes.DUP);
    m.visitVarInsn(Opcodes.ASTORE, 1);
    m.visitInsn(Opcodes.MONITORENTER);
    m.visitLabel(start);
    m.visitInsn(Opcodes.NOP);
    m.visitVarInsn(Opcodes.ALOAD, 1);
    m.visitInsn(Opcodes.MONITOREXIT);
    m.visitLabel(end);
    final Label exit = new Label();
    m.visitJumpInsn(Opcodes.GOTO, exit);
    m.visitLabel(handler);
    m.visitVarInsn(Opcodes.ASTORE, 2);
    m.visitVarInsn(Opcodes.ALOAD, 1);
    m.visitInsn(Opcodes.MONITOREXIT);
    m.visitLabel(handlerEnd);
    m.visitVarInsn(Opcodes.ALOAD, 2);
    m.visitInsn(Opcodes.ATHROW);
    m.visitLabel(exit);
    m.visitInsn(Opcodes.RETURN);

    filter.filter(m, context, output);

    assertIgnored(new Range((LabelNode) handler.info, ((LabelNode) exit.info).getPrevious()));
}

---

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

License:Open Source License

/**
 * <pre>/*from  w  ww .j a  v  a 2  s .  c om*/
 *     try {
 *         ...
 *     } catch (Exception e) {
 *         ...
 *     } finally {
 *         ...
 *     }
 * </pre>
 */
@Test
public void javacTryCatchFinally() {
    final Label start = new Label();
    final Label end = new Label();
    final Label catchHandler = new Label();
    final Label finallyHandler = new Label();
    final Label catchHandlerEnd = new Label();
    m.visitTryCatchBlock(start, end, catchHandler, "java/lang/Exception");
    m.visitTryCatchBlock(start, end, finallyHandler, null);
    m.visitTryCatchBlock(catchHandler, catchHandlerEnd, finallyHandler, null);

    m.visitLabel(start);
    // body
    m.visitInsn(Opcodes.NOP);
    m.visitLabel(end);
    // finally
    m.visitInsn(Opcodes.NOP);
    final Label exit = new Label();
    m.visitJumpInsn(Opcodes.GOTO, exit);
    m.visitLabel(catchHandler);
    m.visitVarInsn(Opcodes.ASTORE, 1);
    // catch
    m.visitInsn(Opcodes.NOP);
    m.visitLabel(catchHandlerEnd);
    // finally
    m.visitInsn(Opcodes.NOP);
    m.visitJumpInsn(Opcodes.GOTO, exit);
    m.visitLabel(finallyHandler);
    m.visitVarInsn(Opcodes.ASTORE, 2);
    // finally
    m.visitInsn(Opcodes.NOP);
    m.visitVarInsn(Opcodes.ALOAD, 2);
    m.visitInsn(Opcodes.ATHROW);
    m.visitLabel(exit);
    m.visitInsn(Opcodes.RETURN);

    filter.filter(m, context, output);

    assertIgnored();
}

---

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