Examples with ClassFile net.runelite.asm.ClassFile used on opensource projects

Example 81 with ClassFile

use of net.runelite.asm.ClassFile in project runelite by runelite.

the class OpcodeReplacer method run.

public void run(ClassGroup group, Collection<PacketWrite> writes) {
    int count = 0;
    ClassFile runeliteOpcodes = group.findClass(RUNELITE_OPCODES);
    assert runeliteOpcodes != null : "Opcodes class must exist";
    for (PacketWrite wp : writes) {
        Instructions ins = wp.getInstructions();
        Instruction param = wp.getOpcodeIns();
        if (!(param instanceof PushConstantInstruction)) {
            continue;
        }
        final String fieldName = "PACKET_CLIENT_" + wp.getOpcode();
        net.runelite.asm.pool.Field field = new net.runelite.asm.pool.Field(new net.runelite.asm.pool.Class(RUNELITE_OPCODES), fieldName, Type.INT);
        ins.replace(param, new GetStatic(ins, field));
        if (runeliteOpcodes.findField(fieldName) == null) {
            Field opField = new Field(runeliteOpcodes, fieldName, Type.INT);
            // ACC_FINAL causes javac to inline the fields, which prevents
            // the mapper from doing field mapping
            opField.setAccessFlags(ACC_PUBLIC | ACC_STATIC);
            // setting a non-final static field value
            // doesn't work with fernflower
            opField.setValue(wp.getOpcode());
            runeliteOpcodes.addField(opField);
            // add initialization
            Method clinit = runeliteOpcodes.findMethod("<clinit>");
            assert clinit != null;
            Instructions instructions = clinit.getCode().getInstructions();
            instructions.addInstruction(0, new LDC(instructions, wp.getOpcode()));
            instructions.addInstruction(1, new PutStatic(instructions, opField));
        }
        ++count;
    }
    logger.info("Injected {} packet writes", count);
}

Example 82 with ClassFile

use of net.runelite.asm.ClassFile in project runelite by runelite.

the class UnusedFields method run.

@Override
public void run(ClassGroup group) {
    checkForFieldUsage(group);
    int count = 0;
    for (ClassFile cf : group.getClasses()) for (Field f : new ArrayList<>(cf.getFields())) if (!used.contains(f)) {
        cf.removeField(f);
        ++count;
    }
    logger.info("Removed " + count + " unused fields");
}

Example 83 with ClassFile

use of net.runelite.asm.ClassFile in project runelite by runelite.

the class UnusedParameters method buildUnused.

private void buildUnused(ClassGroup group) {
    unused.clear();
    for (ClassFile cf : group.getClasses()) {
        for (Method m : cf.getMethods()) {
            if (!Deob.isObfuscated(m.getName())) {
                continue;
            }
            List<Method> ms = VirtualMethods.getVirtualMethods(m);
            Collection<Integer> u = this.findUnusedParameters(ms);
            if (!u.isEmpty()) {
                unused.put(ms, u);
            }
        }
    }
}

Example 84 with ClassFile

use of net.runelite.asm.ClassFile in project runelite by runelite.

the class ClassGroupFactory method generateGroup.

public static ClassGroup generateGroup() {
    ClassGroup group = new ClassGroup();
    ClassFile cf = new ClassFile(group);
    cf.setName("test");
    cf.setSuperName("java/lang/Object");
    group.addClass(cf);
    Field field = new Field(cf, "field", Type.INT);
    field.setStatic();
    cf.addField(field);
    Method method = new Method(cf, "func", new Signature("()V"));
    method.setStatic();
    cf.addMethod(method);
    Code code = new Code(method);
    method.setCode(code);
    {
        method = new Method(cf, "func2", new Signature("(III)V"));
        method.setStatic();
        cf.addMethod(method);
        code = new Code(method);
        method.setCode(code);
        Instructions ins = code.getInstructions();
        ins.addInstruction(new VReturn(ins));
    }
    addVoidMethod(cf, "void1");
    addVoidMethod(cf, "void2");
    addVoidMethod(cf, "void3");
    addVoidMethod(cf, "void4");
    return group;
}

Example 85 with ClassFile

use of net.runelite.asm.ClassFile in project runelite by runelite.

the class Inject method deobfuscatedTypeToApiType.

Type deobfuscatedTypeToApiType(Type type) throws InjectionException {
    if (type.isPrimitive()) {
        return type;
    }
    ClassFile cf = deobfuscated.findClass(type.getInternalName());
    if (cf == null) {
        // not my type
        return type;
    }
    java.lang.Class<?> rsApiType;
    try {
        rsApiType = java.lang.Class.forName(API_PACKAGE_BASE + cf.getName().replace("/", "."));
    } catch (ClassNotFoundException ex) {
        throw new InjectionException("Deobfuscated type " + type.getInternalName() + " has no API type", ex);
    }
    java.lang.Class<?> rlApiType = null;
    for (java.lang.Class<?> inter : rsApiType.getInterfaces()) {
        if (inter.getName().startsWith(RL_API_PACKAGE_BASE)) {
            rlApiType = inter;
        }
    }
    if (rlApiType == null) {
        throw new InjectionException("RS API type " + rsApiType + " does not extend RL API interface");
    }
    return Type.getType("L" + rlApiType.getName().replace('.', '/') + ";", type.getDimensions());
}