Examples with Method org.objectweb.asm.commons.Method used on opensource projects

Example 41 with Method

use of org.objectweb.asm.commons.Method in project Payara by payara.

the class EjbOptionalIntfGenerator method generateNonAccessibleMethod.

private static void generateNonAccessibleMethod(ClassVisitor cv, java.lang.reflect.Method m) {
    String methodName = m.getName();
    Type returnType = Type.getReturnType(m);
    Type[] argTypes = Type.getArgumentTypes(m);
    Method asmMethod = new Method(methodName, returnType, argTypes);
    // Only called for non-static Protected or Package access
    int access = ACC_PUBLIC;
    GeneratorAdapter mg = new GeneratorAdapter(access, asmMethod, null, getExceptionTypes(m), cv);
    mg.throwException(Type.getType(javax.ejb.EJBException.class), "Illegal non-business method access on no-interface view");
    mg.returnValue();
    mg.endMethod();
}

Example 42 with Method

use of org.objectweb.asm.commons.Method in project jacoco by jacoco.

the class RuntimeTestBase method generateAndInstantiateClass.

/**
 * Creates a new class with the given id, loads this class and instantiates
 * it. The constructor of the generated class will request the probe array
 * from the runtime under test.
 */
private ITarget generateAndInstantiateClass(int classid) throws InstantiationException, IllegalAccessException {
    final String className = "org/jacoco/test/targets/RuntimeTestTarget_" + classid;
    Type classType = Type.getObjectType(className);
    final ClassWriter writer = new ClassWriter(0);
    writer.visit(Opcodes.V1_5, Opcodes.ACC_PUBLIC, className, null, "java/lang/Object", new String[] { Type.getInternalName(ITarget.class) });
    writer.visitField(InstrSupport.DATAFIELD_ACC, InstrSupport.DATAFIELD_NAME, InstrSupport.DATAFIELD_DESC, null, null);
    // Constructor
    GeneratorAdapter gen = new GeneratorAdapter(writer.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, new String[0]), Opcodes.ACC_PUBLIC, "<init>", "()V");
    gen.visitCode();
    gen.loadThis();
    gen.invokeConstructor(Type.getType(Object.class), new Method("<init>", "()V"));
    gen.loadThis();
    final int size = runtime.generateDataAccessor(classid, className, 2, gen);
    gen.putStatic(classType, InstrSupport.DATAFIELD_NAME, Type.getObjectType(InstrSupport.DATAFIELD_DESC));
    gen.returnValue();
    gen.visitMaxs(size + 1, 0);
    gen.visitEnd();
    // get()
    gen = new GeneratorAdapter(writer.visitMethod(Opcodes.ACC_PUBLIC, "get", "()[Z", null, new String[0]), Opcodes.ACC_PUBLIC, "get", "()[Z");
    gen.visitCode();
    gen.getStatic(classType, InstrSupport.DATAFIELD_NAME, Type.getObjectType(InstrSupport.DATAFIELD_DESC));
    gen.returnValue();
    gen.visitMaxs(1, 0);
    gen.visitEnd();
    // a()
    gen = new GeneratorAdapter(writer.visitMethod(Opcodes.ACC_PUBLIC, "a", "()V", null, new String[0]), Opcodes.ACC_PUBLIC, "a", "()V");
    gen.visitCode();
    gen.getStatic(classType, InstrSupport.DATAFIELD_NAME, Type.getObjectType(InstrSupport.DATAFIELD_DESC));
    gen.push(0);
    gen.push(1);
    gen.arrayStore(Type.BOOLEAN_TYPE);
    gen.returnValue();
    gen.visitMaxs(3, 0);
    gen.visitEnd();
    // b()
    gen = new GeneratorAdapter(writer.visitMethod(Opcodes.ACC_PUBLIC, "b", "()V", null, new String[0]), Opcodes.ACC_PUBLIC, "b", "()V");
    gen.visitCode();
    gen.getStatic(classType, InstrSupport.DATAFIELD_NAME, Type.getObjectType(InstrSupport.DATAFIELD_DESC));
    gen.push(1);
    gen.push(1);
    gen.arrayStore(Type.BOOLEAN_TYPE);
    gen.returnValue();
    gen.visitMaxs(3, 0);
    gen.visitEnd();
    writer.visitEnd();
    final TargetLoader loader = new TargetLoader();
    return (ITarget) loader.add(className.replace('/', '.'), writer.toByteArray()).newInstance();
}

Example 43 with Method

use of org.objectweb.asm.commons.Method in project jacoco by jacoco.

the class OfflineInstrumentationAccessGeneratorTest method generateAndInstantiateClass.

/**
 * Creates a new class with the given id, loads this class and instantiates
 * it. The constructor of the generated class will request the probe array
 * from the access generator under test.
 */
private ITarget generateAndInstantiateClass(int classid) throws InstantiationException, IllegalAccessException {
    final String className = "org/jacoco/test/targets/RuntimeTestTarget_" + classid;
    Type classType = Type.getObjectType(className);
    final ClassWriter writer = new ClassWriter(0);
    writer.visit(Opcodes.V1_5, Opcodes.ACC_PUBLIC, className, null, "java/lang/Object", new String[] { Type.getInternalName(ITarget.class) });
    writer.visitField(InstrSupport.DATAFIELD_ACC, InstrSupport.DATAFIELD_NAME, InstrSupport.DATAFIELD_DESC, null, null);
    // Constructor
    GeneratorAdapter gen = new GeneratorAdapter(writer.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, new String[0]), Opcodes.ACC_PUBLIC, "<init>", "()V");
    gen.visitCode();
    gen.loadThis();
    gen.invokeConstructor(Type.getType(Object.class), new Method("<init>", "()V"));
    gen.loadThis();
    final int size = generator.generateDataAccessor(classid, className, 2, gen);
    gen.putStatic(classType, InstrSupport.DATAFIELD_NAME, Type.getObjectType(InstrSupport.DATAFIELD_DESC));
    gen.returnValue();
    gen.visitMaxs(size + 1, 0);
    gen.visitEnd();
    // get()
    gen = new GeneratorAdapter(writer.visitMethod(Opcodes.ACC_PUBLIC, "get", "()[Z", null, new String[0]), Opcodes.ACC_PUBLIC, "get", "()[Z");
    gen.visitCode();
    gen.getStatic(classType, InstrSupport.DATAFIELD_NAME, Type.getObjectType(InstrSupport.DATAFIELD_DESC));
    gen.returnValue();
    gen.visitMaxs(1, 0);
    gen.visitEnd();
    writer.visitEnd();
    final TargetLoader loader = new TargetLoader();
    return (ITarget) loader.add(className.replace('/', '.'), writer.toByteArray()).newInstance();
}

Example 44 with Method

use of org.objectweb.asm.commons.Method in project MinecraftForge by MinecraftForge.

the class ASMTransformerWrapper method makeWrapper.

private static byte[] makeWrapper(String fileName) {
    if (!wrapperModMap.containsKey(fileName) || !wrapperParentMap.containsKey(fileName) || !fileName.endsWith(".class")) {
        throw new IllegalArgumentException("makeWrapper called with strange argument: " + fileName);
    }
    String name = fileName.substring(0, fileName.length() - ".class".length());
    try {
        Type wrapper = Type.getType(TransformerWrapper.class);
        ClassWriter writer = new ClassWriter(ClassWriter.COMPUTE_FRAMES);
        writer.visit(Opcodes.V1_6, Opcodes.ACC_PUBLIC, name, null, wrapper.getInternalName(), null);
        Method m = Method.getMethod("void <init> ()");
        GeneratorAdapter mg = new GeneratorAdapter(Opcodes.ACC_PUBLIC, m, null, null, writer);
        mg.loadThis();
        mg.invokeConstructor(wrapper, m);
        mg.returnValue();
        mg.endMethod();
        m = Method.getMethod("java.lang.String getParentClass ()");
        mg = new GeneratorAdapter(Opcodes.ACC_PROTECTED, m, null, null, writer);
        mg.push(wrapperParentMap.get(fileName));
        mg.returnValue();
        mg.endMethod();
        m = Method.getMethod("java.lang.String getCoreMod ()");
        mg = new GeneratorAdapter(Opcodes.ACC_PROTECTED, m, null, null, writer);
        mg.push(wrapperModMap.get(fileName));
        mg.returnValue();
        mg.endMethod();
        writer.visitEnd();
        return writer.toByteArray();
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

Example 45 with Method

use of org.objectweb.asm.commons.Method in project deltaspike by apache.

the class AsmProxyClassGenerator method defineSuperAccessorMethod.

private static void defineSuperAccessorMethod(ClassWriter cw, java.lang.reflect.Method method, Type superType, String superAccessorMethodSuffix) {
    Method originalAsmMethod = Method.getMethod(method);
    Method newAsmMethod = new Method(method.getName() + superAccessorMethodSuffix, originalAsmMethod.getReturnType(), originalAsmMethod.getArgumentTypes());
    GeneratorAdapter mg = new GeneratorAdapter(Opcodes.ACC_PUBLIC, newAsmMethod, null, null, cw);
    mg.visitCode();
    // call super method
    mg.loadThis();
    mg.loadArgs();
    mg.visitMethodInsn(Opcodes.INVOKESPECIAL, superType.getInternalName(), method.getName(), Type.getMethodDescriptor(method), false);
    mg.returnValue();
    // finish the method
    mg.endMethod();
    mg.visitMaxs(10, 10);
    mg.visitEnd();
}