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

Example 31 with MethodNode

use of org.objectweb.asm.tree.MethodNode in project MineCamera by PorPit.

the class CamTransformer method initTransformers.

protected void initTransformers() {
    addTransformer(new Transformer("net.minecraft.client.entity.EntityPlayerSP") {

        @Override
        public void transform(ClassNode node) {
            MethodNode m = findMethod(node, "isCurrentViewEntity", "()Z");
            m.instructions.clear();
            m.instructions.add(new MethodInsnNode(Opcodes.INVOKESTATIC, "com/porpit/minecamera/transform/CamEventHandler", "shouldPlayerTakeInput", "()Z", false));
            m.instructions.add(new InsnNode(Opcodes.IRETURN));
        }
    });
    addTransformer(new Transformer("net.minecraft.client.renderer.EntityRenderer") {

        @Override
        public void transform(ClassNode node) {
            MethodNode m = findMethod(node, "getMouseOver", "(F)V");
            m.instructions.insert(new MethodInsnNode(Opcodes.INVOKESTATIC, "com/porpit/minecamera/transform/CamEventHandler", "setupMouseHandlerBefore", "()V", false));
            AbstractInsnNode currentNode = null;
            @SuppressWarnings("unchecked") Iterator<AbstractInsnNode> iter = m.instructions.iterator();
            while (iter.hasNext()) {
                currentNode = iter.next();
                if (currentNode instanceof InsnNode && ((InsnNode) currentNode).getOpcode() == RETURN) {
                    m.instructions.insertBefore(currentNode, new MethodInsnNode(Opcodes.INVOKESTATIC, "com/porpit/minecamera/transform/CamEventHandler", "setupMouseHandlerAfter", "()V", false));
                }
            }
        }
    });
}

Example 32 with MethodNode

use of org.objectweb.asm.tree.MethodNode in project MineCamera by PorPit.

the class Transformer method findMethod.

public MethodNode findMethod(ClassNode node, String name, String desc) {
    if (TransformerNames.obfuscated) {
        name = patchMethodName(name, desc);
        desc = patchDESC(desc);
    }
    Iterator<MethodNode> methods = node.methods.iterator();
    while (methods.hasNext()) {
        MethodNode m = methods.next();
        if (m.name.equals(name) && m.desc.equals(desc))
            return m;
    }
    return null;
}

Example 33 with MethodNode

use of org.objectweb.asm.tree.MethodNode in project evosuite by EvoSuite.

the class AnnotatedClassNode method visitMethod.

/**
 * {@inheritDoc}
 */
@SuppressWarnings("unchecked")
@Override
public MethodVisitor visitMethod(final int access, final String name, final String desc, final String signature, final String[] exceptions) {
    MethodNode mn = new AnnotatedMethodNode(access, name, desc, signature, exceptions);
    methods.add(mn);
    return mn;
}

Example 34 with MethodNode

use of org.objectweb.asm.tree.MethodNode in project evosuite by EvoSuite.

the class BooleanTestabilityTransformation method processMethods.

/**
 * Handle transformation of methods defined in this class
 */
@SuppressWarnings("unchecked")
private void processMethods() {
    List<MethodNode> methodNodes = cn.methods;
    for (MethodNode mn : methodNodes) {
        if ((mn.access & Opcodes.ACC_NATIVE) == Opcodes.ACC_NATIVE)
            continue;
        if (DescriptorMapping.getInstance().isTransformedMethod(className, mn.name, mn.desc)) {
            logger.info("Transforming signature of method " + mn.name + mn.desc);
            transformMethodSignature(mn);
            logger.info("Transformed signature to " + mn.name + mn.desc);
        }
        transformMethod(mn);
    }
}

Example 35 with MethodNode

use of org.objectweb.asm.tree.MethodNode in project evosuite by EvoSuite.

the class ErrorConditionMethodAdapter method visitEnd.

/*
	public Frame currentFrame = null;
	
	@Override
	public void visitFrame(int type, int nLocal, Object[] local, int nStack,
			Object[] stack) {
		super.visitFrame(type, nLocal, local, nStack, stack);
		// this.currentFrame = frames[numFrame++];
	}
	
	
	protected int numFrame = 0;
	
	protected Frame[] frames;

	@Override
	public void visitCode() {
		MethodNode mn = (MethodNode) mv;
		try {
			Analyzer a = new Analyzer(new ThisInterpreter());
			a.analyze(className, mn);
			frames = a.getFrames();
			logger.info("Computed frames: "+frames.length);
		} catch (Exception e) {
			logger.info("Error during frame analysis: "+e);
			frames = new Frame[0];
		}
		super.visitCode();
	}
	*/
/* (non-Javadoc)
	 * @see org.objectweb.asm.MethodVisitor#visitEnd()
	 */
/**
 * {@inheritDoc}
 */
@Override
public void visitEnd() {
    MethodNode mn = (MethodNode) mv;
    mn.accept(next);
}