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

Introduction

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.KotlinGeneratedFilterTest.java

License:Open Source License

@Test
public void testWithLinesForKotlinWithDebug() {
    final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION, 0, "hashCode", "()I", null, null);
    m.visitAnnotation("Lother/Annotation;", false);
    m.visitLineNumber(12, new Label());
    m.visitInsn(Opcodes.ICONST_0);
    m.visitInsn(Opcodes.IRETURN);//w  w w . j a  va2s .  c  o m
    context.classAnnotations.add(KotlinGeneratedFilter.KOTLIN_METADATA_DESC);

    filter.filter(m, context, output);

    assertIgnored();
}

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

License:Open Source License

@Test
public void testNoLinesNonKotlinWithDebug() {
    final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION, 0, "hashCode", "()I", null, null);
    m.visitInsn(Opcodes.ICONST_0);
    m.visitInsn(Opcodes.IRETURN);/*from  w  w  w  .  j  a va 2 s .c o m*/

    filter.filter(m, context, output);

    assertIgnored();
}

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

License:Open Source License

@Test
public void testNoLinesForKotlinNoDebug() {
    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.  j a v a 2  s .c o  m
    context.classAnnotations.add(KotlinGeneratedFilter.KOTLIN_METADATA_DESC);
    context.sourceFileName = null;

    filter.filter(m, context, output);

    assertIgnored();
}

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

License:Open Source License

@Test
public void testWithLinesForKotlinNoDebug() {
    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 . j  a v a 2s  .  com
    m.visitLineNumber(12, new Label());
    context.classAnnotations.add(KotlinGeneratedFilter.KOTLIN_METADATA_DESC);
    context.sourceFileName = null;

    filter.filter(m, context, output);

    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);//from  ww  w. ja v a 2s .  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));
}

---

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

License:Open Source License

@Test
public void should_not_filter_empty_lookup_switch() {
    final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION, 0, "name", "(Ljava/lang/String;)V", null,
            null);/*  w w  w.  jav  a 2  s. c  o m*/
    m.visitVarInsn(Opcodes.ALOAD, 1);
    m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/String", "hashCode", "()I", false);
    final Label defaultCase = new Label();
    m.visitLookupSwitchInsn(defaultCase, null, new Label[] {});
    m.visitLabel(defaultCase);
    m.visitInsn(Opcodes.RETURN);

    filter.filter(m, context, output);

    assertIgnored();
}

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From source file:org.jacoco.core.internal.analysis.filter.LombokGeneratedFilterTest.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;", false);

    m.visitInsn(Opcodes.ICONST_0);
    m.visitInsn(Opcodes.IRETURN);/*  w w w  .  ja v a  2s. c om*/

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

    assertNull(fromInclusive);
    assertNull(toInclusive);
}

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

License:Open Source License

@Test
public void testLombokGeneratedAnnotation() {
    final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION, 0, "hashCode", "()I", null, null);
    m.visitAnnotation("Llombok/Generated;", false);

    m.visitInsn(Opcodes.ICONST_0);
    m.visitInsn(Opcodes.IRETURN);/* w w w  .  j av  a 2  s . com*/

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

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

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

License:Open Source License

@Test
public void test() {
    final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION, Opcodes.ACC_PRIVATE, "<init>", "()V",
            null, null);/*from   ww w  .  jav a2s .  c  o  m*/

    m.visitVarInsn(Opcodes.ALOAD, 0);
    m.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
    m.visitInsn(Opcodes.RETURN);

    filter.filter(m, context, output);

    assertMethodIgnored(m);
}

---

From source file:org.jacoco.core.internal.analysis.filter.StringSwitchEcjFilterTest.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 case1 = new Label();
    final Label case2 = new Label();
    final Label case3 = new Label();
    final Label caseDefault = new Label();
    final Label h1 = new Label();
    final Label h2 = new Label();

    // filter should not remember this unrelated slot
    m.visitLdcInsn("");
    m.visitVarInsn(Opcodes.ASTORE, 1);//  w w w.  j av  a  2  s  .  c  o m
    m.visitVarInsn(Opcodes.ALOAD, 1);

    // switch (...)
    m.visitInsn(Opcodes.DUP);
    m.visitVarInsn(Opcodes.ASTORE, 2);
    m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/String", "hashCode", "()I", false);
    m.visitTableSwitchInsn(97, 98, caseDefault, h1, h2);
    final AbstractInsnNode switchNode = m.instructions.getLast();

    m.visitLabel(h1);

    m.visitVarInsn(Opcodes.ALOAD, 2);
    m.visitLdcInsn("a");
    m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/String", "equals", "(Ljava/lang/Object;)Z", false);
    // if equal "a", then goto its case
    m.visitJumpInsn(Opcodes.IFNE, case1);

    m.visitVarInsn(Opcodes.ALOAD, 2);
    m.visitLdcInsn("\0a");
    m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/String", "equals", "(Ljava/lang/Object;)Z", false);
    // if equal "\0a", then goto its case
    m.visitJumpInsn(Opcodes.IFNE, case2);

    // goto default case
    m.visitJumpInsn(Opcodes.GOTO, caseDefault);

    m.visitLabel(h2);

    m.visitVarInsn(Opcodes.ALOAD, 2);
    m.visitLdcInsn("b");
    m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/String", "equals", "(Ljava/lang/Object;)Z", false);
    // if equal "b", then goto its case
    m.visitJumpInsn(Opcodes.IFNE, case3);

    // goto default case
    m.visitJumpInsn(Opcodes.GOTO, caseDefault);
    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(caseDefault);
    m.visitInsn(Opcodes.RETURN);
    expectedNewTargets.add(m.instructions.getLast());

    filter.filter(m, context, output);

    assertReplacedBranches(switchNode, expectedNewTargets);
    assertIgnored(new Range(switchNode.getNext(), expectedToInclusive));
}

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