Example usage for org.objectweb.asm Opcodes INVOKESPECIAL

Introduction

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

Prototype

int INVOKESPECIAL

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

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Usage

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

License:Open Source License

/**
 * <pre>// w w w .ja  va 2s.  co  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  . ja  va2  s.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.KotlinUnsafeCastOperatorFilterTest.java

License:Open Source License

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

    m.visitInsn(Opcodes.DUP);//from  w  w w  .  j a v a 2s  .  com
    m.visitJumpInsn(Opcodes.IFNONNULL, label);
    final AbstractInsnNode expectedFrom = m.instructions.getLast();
    m.visitTypeInsn(Opcodes.NEW, "kotlin/TypeCastException");
    m.visitInsn(Opcodes.DUP);
    m.visitLdcInsn("null cannot be cast to non-null type kotlin.String");
    m.visitMethodInsn(Opcodes.INVOKESPECIAL, "kotlin/TypeCastException", "<init>", "(Ljava/lang/String;)V",
            false);
    m.visitInsn(Opcodes.ATHROW);
    final AbstractInsnNode expectedTo = m.instructions.getLast();
    m.visitLabel(label);

    filter.filter(m, context, output);

    assertIgnored(new Range(expectedFrom, expectedTo));
}

---

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);//  w  w w  .j ava 2  s  . c o m

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

    m.visitInsn(Opcodes.NOP);

    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);/*  www  .  j  a va2s . co  m*/

    m.visitJumpInsn(Opcodes.IFEQ, label);

    m.visitInsn(Opcodes.NOP);

    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);//from www.  j a  v a  2 s  .com

    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);
    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.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  w w  w .ja v  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.runtime.ExecutionDataAccessTest.java

License:Open Source License

@Test
public void testGenerateArgumentArray() throws Exception {
    final ClassWriter writer = new ClassWriter(0);
    writer.visit(Opcodes.V1_5, Opcodes.ACC_PUBLIC, "Sample", null, "java/lang/Object",
            new String[] { Type.getInternalName(Callable.class) });

    // Constructor
    MethodVisitor mv = writer.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, new String[0]);
    mv.visitCode();/*  w w  w  .  j  a  v a  2 s  .com*/
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(1, 1);
    mv.visitEnd();

    // call()
    mv = writer.visitMethod(Opcodes.ACC_PUBLIC, "call", "()Ljava/lang/Object;", null, new String[0]);
    mv.visitCode();
    ExecutionDataAccess.generateArgumentArray(1000, "Sample", 15, mv);
    mv.visitInsn(Opcodes.ARETURN);
    mv.visitMaxs(5, 1);
    mv.visitEnd();

    writer.visitEnd();
    final TargetLoader loader = new TargetLoader("Sample", writer.toByteArray());
    Callable<?> callable = (Callable<?>) loader.newTargetInstance();
    final Object[] args = (Object[]) callable.call();
    assertEquals(3, args.length, 0.0);
    assertEquals(Long.valueOf(1000), args[0]);
    assertEquals("Sample", args[1]);
    assertEquals(Integer.valueOf(15), args[2]);
}

---

From source file:org.jacoco.core.runtime.ExecutionDataAccessTest.java

License:Open Source License

@Test
public void testGenerateAccessCall() throws Exception {
    final boolean[] data = store.get(Long.valueOf(1234), "Sample", 5).getData();

    final ClassWriter writer = new ClassWriter(0);
    writer.visit(Opcodes.V1_5, Opcodes.ACC_PUBLIC, "Sample", null, "java/lang/Object",
            new String[] { Type.getInternalName(Callable.class) });

    // Constructor
    MethodVisitor mv = writer.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "(Ljava/lang/Object;)V", null,
            new String[0]);
    mv.visitCode();/*  w w w. j a  v  a 2 s  . c  om*/
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitFieldInsn(Opcodes.PUTFIELD, "Sample", "access", "Ljava/lang/Object;");
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(2, 2);
    mv.visitEnd();

    // call()
    mv = writer.visitMethod(Opcodes.ACC_PUBLIC, "call", "()Ljava/lang/Object;", null, new String[0]);
    mv.visitCode();
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "Sample", "access", "Ljava/lang/Object;");
    ExecutionDataAccess.generateAccessCall(1234, "Sample", 5, mv);
    mv.visitInsn(Opcodes.ARETURN);
    mv.visitMaxs(6, 1);
    mv.visitEnd();

    writer.visitField(Opcodes.ACC_PRIVATE, "access", "Ljava/lang/Object;", null, null);

    writer.visitEnd();
    final TargetLoader loader = new TargetLoader("Sample", writer.toByteArray());
    Callable<?> callable = (Callable<?>) loader.getTargetClass().getConstructor(Object.class)
            .newInstance(access);
    assertSame(data, callable.call());
}

---

From source file:org.jacoco.core.runtime.RuntimeDataTest.java

License:Open Source License

@Test
public void testGenerateArgumentArray() throws Exception {
    final ClassWriter writer = new ClassWriter(0);
    writer.visit(Opcodes.V1_5, Opcodes.ACC_PUBLIC, "Sample", null, "java/lang/Object",
            new String[] { Type.getInternalName(Callable.class) });

    // Constructor
    MethodVisitor mv = writer.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, new String[0]);
    mv.visitCode();/* ww  w.  j  a  v a 2 s .  com*/
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(1, 1);
    mv.visitEnd();

    // call()
    mv = writer.visitMethod(Opcodes.ACC_PUBLIC, "call", "()Ljava/lang/Object;", null, new String[0]);
    mv.visitCode();
    RuntimeData.generateArgumentArray(1000, "Sample", 15, mv);
    mv.visitInsn(Opcodes.ARETURN);
    mv.visitMaxs(5, 1);
    mv.visitEnd();

    writer.visitEnd();
    final TargetLoader loader = new TargetLoader("Sample", writer.toByteArray());
    Callable<?> callable = (Callable<?>) loader.newTargetInstance();
    final Object[] args = (Object[]) callable.call();
    assertEquals(3, args.length, 0.0);
    assertEquals(Long.valueOf(1000), args[0]);
    assertEquals("Sample", args[1]);
    assertEquals(Integer.valueOf(15), args[2]);
}

---

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