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

Example 31 with ClassFile

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

the class FieldInliner method findFieldIns.

private void findFieldIns() {
    for (ClassFile cf : group.getClasses()) {
        for (Method m : cf.getMethods()) {
            Code code = m.getCode();
            if (code == null)
                continue;
            for (Instruction i : code.getInstructions().getInstructions()) {
                if (!(i instanceof FieldInstruction))
                    continue;
                FieldInstruction sf = (FieldInstruction) i;
                if (sf.getMyField() == null)
                    continue;
                fieldInstructions.put(sf.getMyField(), sf);
            }
        }
    }
}

Example 32 with ClassFile

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

the class IllegalStateExceptions method findInteresting.

/* find if, new, ..., athrow, replace with goto */
private void findInteresting(ClassGroup group) {
    for (ClassFile cf : group.getClasses()) {
        for (Method m : cf.getMethods()) {
            Code c = m.getCode();
            if (c == null)
                continue;
            Instructions instructions = c.getInstructions();
            List<Instruction> ilist = instructions.getInstructions();
            for (int i = 0; i < ilist.size(); ++i) {
                Instruction ins = ilist.get(i);
                if (// the if
                !(ins instanceof ComparisonInstruction))
                    continue;
                Instruction ins2 = ilist.get(i + 1);
                if (!(ins2 instanceof New))
                    continue;
                New new2 = (New) ins2;
                net.runelite.asm.pool.Class clazz = new2.getNewClass();
                if (!clazz.getName().contains("java/lang/IllegalStateException"))
                    continue;
                interesting.add(ins);
            }
        }
    }
}

Example 33 with ClassFile

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

the class RuntimeExceptions method run.

@Override
public void run(ClassGroup group) {
    boolean foundInit = false;
    int i = 0;
    for (ClassFile cf : group.getClasses()) {
        for (Method m : cf.getMethods()) {
            Code c = m.getCode();
            if (c == null)
                continue;
            // keeps the client error handling related methods
            if (cf.getName().equals("client") && m.getName().equals("init")) {
                foundInit = true;
                continue;
            }
            for (net.runelite.asm.attributes.code.Exception e : new ArrayList<>(c.getExceptions().getExceptions())) {
                if (e.getCatchType() != null && e.getCatchType().getName().equals("java/lang/RuntimeException")) {
                    c.getExceptions().remove(e);
                    ++i;
                }
            }
        }
    }
    if (!foundInit) {
        throw new IllegalStateException("client.init(...) method seems to be missing!");
    }
    logger.info("Remove {} exception handlers", i);
}

Example 34 with ClassFile

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

the class Renamer method renameClass.

private void renameClass(ClassGroup group, ClassFile cf, String name) {
    for (ClassFile c : group.getClasses()) {
        // rename on child interfaces and classes
        renameClass(c, cf, name);
        for (Method method : c.getMethods()) {
            // rename on instructions. this includes method calls and field accesses.
            if (method.getCode() != null) {
                Code code = method.getCode();
                // rename on instructions
                for (Instruction i : code.getInstructions().getInstructions()) {
                    i.renameClass(cf.getName(), name);
                }
                // rename on exception handlers
                Exceptions exceptions = code.getExceptions();
                exceptions.renameClass(cf, name);
            }
            // rename on parameters
            Signature.Builder builder = new Signature.Builder();
            Signature signature = method.getDescriptor();
            for (int i = 0; i < signature.size(); ++i) {
                Type type = signature.getTypeOfArg(i);
                if (type.getInternalName().equals(cf.getName())) {
                    builder.addArgument(Type.getType("L" + name + ";", type.getDimensions()));
                } else {
                    builder.addArgument(type);
                }
            }
            // rename return type
            if (signature.getReturnValue().getInternalName().equals(cf.getName())) {
                builder.setReturnType(Type.getType("L" + name + ";", signature.getReturnValue().getDimensions()));
            } else {
                builder.setReturnType(signature.getReturnValue());
            }
            Signature newSignature = builder.build();
            if (!method.getDescriptor().equals(newSignature)) {
                // Signature was updated. Annotate it
                if (method.getAnnotations().find(DeobAnnotations.OBFUSCATED_SIGNATURE) == null) {
                    // Signature was not previously renamed
                    method.getAnnotations().addAnnotation(DeobAnnotations.OBFUSCATED_SIGNATURE, "signature", method.getDescriptor().toString());
                }
            }
            method.setDescriptor(newSignature);
            // rename on exceptions thrown
            if (method.getExceptions() != null) {
                method.getExceptions().renameClass(cf, name);
            }
        }
        // rename on fields
        for (Field field : c.getFields()) {
            if (field.getType().getInternalName().equals(cf.getName())) {
                if (field.getAnnotations().find(DeobAnnotations.OBFUSCATED_SIGNATURE) == null) {
                    // Signature was updated. Annotate it
                    field.getAnnotations().addAnnotation(DeobAnnotations.OBFUSCATED_SIGNATURE, "signature", field.getType().toString());
                }
                field.setType(Type.getType("L" + name + ";", field.getType().getDimensions()));
            }
        }
    }
    if (cf.getAnnotations().find(DeobAnnotations.OBFUSCATED_NAME) == null) {
        cf.getAnnotations().addAnnotation(DeobAnnotations.OBFUSCATED_NAME, "value", cf.getName());
    }
    group.renameClass(cf, name);
}

Example 35 with ClassFile

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

the class Renamer method regeneratePool.

private void regeneratePool(ClassGroup group) {
    for (ClassFile cf : group.getClasses()) {
        for (Method m : cf.getMethods()) {
            Code c = m.getCode();
            if (c == null) {
                continue;
            }
            c.getInstructions().regeneratePool();
        }
    }
}