Examples with MethodNode org.objectweb.asm.tree.MethodNode used on opensource projects

Example 26 with MethodNode

use of org.objectweb.asm.tree.MethodNode in project jacoco by jacoco.

the class LombokGeneratedFilterTest method testNoAnnotations.

@Test
public void testNoAnnotations() {
    final MethodNode m = new MethodNode(InstrSupport.ASM_API_VERSION, 0, "hashCode", "()I", null, null);
    m.visitInsn(Opcodes.ICONST_0);
    m.visitInsn(Opcodes.IRETURN);
    filter.filter("Foo", "java/lang/Object", m, this);
    assertNull(fromInclusive);
    assertNull(toInclusive);
}

Example 27 with MethodNode

use of org.objectweb.asm.tree.MethodNode in project jacoco by jacoco.

the class LombokGeneratedFilterTest method testOtherAnnotation.

@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);
    filter.filter("Foo", "java/lang/Object", m, this);
    assertNull(fromInclusive);
    assertNull(toInclusive);
}

Example 28 with MethodNode

use of org.objectweb.asm.tree.MethodNode in project jacoco by jacoco.

the class FinallyTest method gotos.

/**
 * This test studies placement of GOTO instructions.
 */
@Test
public void gotos() throws IOException {
    final Source source = Source.getSourceFor("src", Finally.class);
    byte[] b = TargetLoader.getClassDataAsBytes(Finally.class);
    b = BytecodeVersion.downgradeIfNeeded(BytecodeVersion.get(b), b);
    final ClassNode classNode = new ClassNode();
    new ClassReader(b).accept(classNode, 0);
    final Set<String> tags = new HashSet<String>();
    for (final MethodNode m : classNode.methods) {
        if ("main".equals(m.name)) {
            // skip it
            continue;
        }
        int lineNumber = -1;
        for (AbstractInsnNode i = m.instructions.getFirst(); i != null; i = i.getNext()) {
            if (AbstractInsnNode.LINE == i.getType()) {
                lineNumber = ((LineNumberNode) i).line;
            }
            if (Opcodes.GOTO == i.getOpcode()) {
                final String line = source.getLine(lineNumber);
                if (line.indexOf('$') < 0) {
                    throw new AssertionError("No tag at line " + lineNumber);
                }
                final String tag = line.substring(line.indexOf('$') + "$line-".length(), line.lastIndexOf('$'));
                tags.add(tag);
            }
        }
    }
    final Set<String> expected = new HashSet<String>();
    if (isJDKCompiler) {
        expected.add("example.2");
    } else {
        expected.add("example.0");
    }
    expected.add("breakStatement.for");
    if (isJDKCompiler) {
        if (JAVA_VERSION.isBefore("10")) {
            // https://bugs.openjdk.java.net/browse/JDK-8180141
            expected.add("breakStatement.1");
        } else {
            expected.add("breakStatement");
        }
        expected.add("breakStatement.2");
    } else {
        expected.add("breakStatement");
    }
    if (isJDKCompiler) {
        expected.add("emptyCatch.2");
    } else {
        expected.add("emptyCatch");
        expected.add("emptyCatch.1");
    }
    if (isJDKCompiler) {
        expected.add("catchNotExecuted.2");
    } else {
        expected.add("catchNotExecuted");
        expected.add("catchNotExecuted.1");
    }
    if (isJDKCompiler) {
        expected.add("nested.5");
        expected.add("nested.6");
    } else {
        expected.add("nested.0");
        expected.add("nested.3");
    }
    if (isJDKCompiler && JAVA_VERSION.isBefore("1.8")) {
        expected.add("emptyTry.2");
    }
    if (!isJDKCompiler) {
        expected.add("alwaysCompletesAbruptly.0");
    }
    assertEquals(expected, tags);
}

Example 29 with MethodNode

use of org.objectweb.asm.tree.MethodNode in project sonar-java by SonarSource.

the class BytecodeCFGBuilderTest method test_all_instructions_are_part_of_CFG.

@Test
public void test_all_instructions_are_part_of_CFG() throws Exception {
    SquidClassLoader squidClassLoader = new SquidClassLoader(Lists.newArrayList(new File("target/test-classes"), new File("target/classes")));
    File file = new File("src/test/java/org/sonar/java/bytecode/cfg/testdata/CFGTestData.java");
    CompilationUnitTree tree = (CompilationUnitTree) JavaParser.createParser().parse(file);
    SemanticModel.createFor(tree, squidClassLoader);
    Symbol.TypeSymbol testClazz = ((ClassTree) tree.types().get(0)).symbol();
    ClassReader cr = new ClassReader(squidClassLoader.getResourceAsStream(Convert.bytecodeName(CFGTestData.class.getCanonicalName()) + ".class"));
    ClassNode classNode = new ClassNode(Opcodes.ASM5);
    cr.accept(classNode, 0);
    for (MethodNode method : classNode.methods) {
        Multiset<String> opcodes = Arrays.stream(method.instructions.toArray()).map(AbstractInsnNode::getOpcode).filter(opcode -> opcode != -1).map(opcode -> Printer.OPCODES[opcode]).collect(Collectors.toCollection(HashMultiset::create));
        Symbol methodSymbol = Iterables.getOnlyElement(testClazz.lookupSymbols(method.name));
        BytecodeCFG bytecodeCFG = SETestUtils.bytecodeCFG(((JavaSymbol.MethodJavaSymbol) methodSymbol).completeSignature(), squidClassLoader);
        Multiset<String> cfgOpcodes = cfgOpcodes(bytecodeCFG);
        assertThat(cfgOpcodes).isEqualTo(opcodes);
    }
}

Example 30 with MethodNode

use of org.objectweb.asm.tree.MethodNode in project closure-templates by google.

the class BytecodeProducerTest method testGenDoesntOverlapWithCompile.

@Test
public void testGenDoesntOverlapWithCompile() {
    BytecodeProducer producer = new BytecodeProducer() {

        @Override
        protected void doGen(CodeBuilder adapter) {
            BytecodeUtils.constant('c').gen(adapter);
        }
    };
    try {
        CodeBuilder adaterAdapter = new CodeBuilder(Opcodes.ACC_PUBLIC, BytecodeUtils.NULLARY_INIT, new MethodNode());
        producer.gen(adaterAdapter);
        fail();
    } catch (IllegalStateException e) {
        assertThat(e).hasMessageThat().contains("All bytecode producers should be constructed prior to code generation");
    }
}