Example usage for org.objectweb.asm Opcodes RETURN

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

Prototype

int RETURN

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Usage

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

License:Open Source License

@Test
public void ecj_always_completes_abruptly() {
    final Label tryStart = new Label();
    final Label tryEnd = new Label();
    final Label finallyStart = new Label();

    m.visitTryCatchBlock(tryStart, tryEnd, tryEnd, null);

    m.visitLabel(tryStart);/*ww  w . j  av  a  2s  .  c  o  m*/
    m.visitInsn(Opcodes.NOP); // try body
    m.visitJumpInsn(Opcodes.GOTO, finallyStart);
    m.visitLabel(tryEnd);

    m.visitInsn(Opcodes.POP);
    m.visitLabel(finallyStart);
    m.visitInsn(Opcodes.RETURN); // finally body

    execute();
}

---

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  ww . j a v a 2  s .com
    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>// ww  w. j a v  a2s  .c  o m
 * 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   w  w  w.  ja v a2 s. c o  m*/
 * 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  ww w. j a va  2s .c  om*/
 * 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.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);//ww  w.  jav a 2s  .  c om

    m.visitLineNumber(9, new Label());
    shouldIgnorePrevious(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>//from   w w w. j a v a2 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.KotlinInlineFilterTest.java

License:Open Source License

@Test
public void should_not_parse_SourceDebugExtension_attribute_when_no_kotlin_metadata_annotation() {
    context.sourceDebugExtension = "SMAP";

    m.visitLineNumber(1, new Label());
    m.visitInsn(Opcodes.RETURN);

    filter.filter(m, context, output);/*w w  w .j  av  a  2 s. com*/

    assertIgnored();
}

---

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

License:Open Source License

@Test
public void should_not_filter_when_no_SourceDebugExtension_attribute() {
    context.classAnnotations.add(KotlinGeneratedFilter.KOTLIN_METADATA_DESC);

    m.visitLineNumber(1, new Label());
    m.visitInsn(Opcodes.RETURN);

    filter.filter(m, context, output);/*from  ww w  . jav  a 2  s.  c o  m*/

    assertIgnored();
}

---

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

License:Open Source License

@Test
public void should_filter() {
    final Set<AbstractInsnNode> expectedNewTargets = new HashSet<AbstractInsnNode>();

    final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION, 0, "name", "()V", null, null);

    final Label h1 = new Label();
    final Label sameHash = new Label();
    final Label h2 = new Label();
    final Label case1 = new Label();
    final Label case2 = new Label();
    final Label case3 = new Label();
    final Label defaultCase = new Label();

    // filter should not remember this unrelated slot
    m.visitLdcInsn("");
    m.visitVarInsn(Opcodes.ASTORE, 1);/*w  ww . j  a v  a2s  . com*/
    m.visitVarInsn(Opcodes.ALOAD, 1);

    // switch (...)
    m.visitVarInsn(Opcodes.ASTORE, 2);
    m.visitVarInsn(Opcodes.ALOAD, 2);
    m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/String", "hashCode", "()I", false);
    m.visitTableSwitchInsn(97, 98, defaultCase, h1, h2);

    // case "a"
    m.visitLabel(h1);
    final AbstractInsnNode expectedFromInclusive = m.instructions.getLast();

    m.visitVarInsn(Opcodes.ALOAD, 2);
    m.visitLdcInsn("a");
    m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/String", "equals", "(Ljava/lang/Object;)Z", false);
    m.visitJumpInsn(Opcodes.IFEQ, sameHash);
    m.visitJumpInsn(Opcodes.GOTO, case1);

    // case "\u0000a"
    m.visitLabel(sameHash);
    m.visitVarInsn(Opcodes.ALOAD, 2);
    m.visitLdcInsn("\u0000a");
    m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/String", "equals", "(Ljava/lang/Object;)Z", false);
    m.visitJumpInsn(Opcodes.IFEQ, defaultCase);
    m.visitJumpInsn(Opcodes.GOTO, case2);

    // case "b"
    m.visitLabel(h2);
    m.visitVarInsn(Opcodes.ALOAD, 2);
    m.visitLdcInsn("\u0000a");
    m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/String", "equals", "(Ljava/lang/Object;)Z", false);
    m.visitJumpInsn(Opcodes.IFEQ, defaultCase);
    m.visitJumpInsn(Opcodes.GOTO, case3);
    final AbstractInsnNode expectedToInclusive = m.instructions.getLast();

    m.visitLabel(case1);
    m.visitInsn(Opcodes.RETURN);
    expectedNewTargets.add(m.instructions.getLast());
    m.visitLabel(case2);
    m.visitInsn(Opcodes.RETURN);
    expectedNewTargets.add(m.instructions.getLast());
    m.visitLabel(case3);
    m.visitInsn(Opcodes.RETURN);
    expectedNewTargets.add(m.instructions.getLast());
    m.visitLabel(defaultCase);
    m.visitInsn(Opcodes.RETURN);
    expectedNewTargets.add(m.instructions.getLast());

    filter.filter(m, context, output);

    assertReplacedBranches(expectedFromInclusive.getPrevious(), expectedNewTargets);
    assertIgnored(new Range(expectedFromInclusive, expectedToInclusive));
}

---

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