Examples with Signature net.runelite.asm.signature.Signature used on opensource projects

Example 26 with Signature

use of net.runelite.asm.signature.Signature in project runelite by runelite.

the class Renamer method run.

@Override
public void run(ClassGroup group) {
    group.buildClassGraph();
    group.lookup();
    int classes = 0, fields = 0, methods = 0;
    // rename fields
    for (ClassFile cf : group.getClasses()) {
        for (Field field : cf.getFields()) {
            String newName = mappings.get(field.getPoolField());
            if (newName == null) {
                continue;
            }
            if (field.getAnnotations().find(DeobAnnotations.OBFUSCATED_NAME) == null) {
                field.getAnnotations().addAnnotation(DeobAnnotations.OBFUSCATED_NAME, "value", field.getName());
            }
            field.setName(newName);
            ++fields;
        }
    }
    // rename methods
    for (ClassFile cf : group.getClasses()) {
        for (Method method : cf.getMethods()) {
            String newName = mappings.get(method.getPoolMethod());
            // rename on obfuscated signature
            Annotation an = method.getAnnotations().find(DeobAnnotations.OBFUSCATED_SIGNATURE);
            if (an != null) {
                Signature obfuscatedSig = new Signature(an.getElement().getString());
                Signature updatedSig = renameSignature(obfuscatedSig);
                an.getElement().setValue(updatedSig.toString());
            }
            if (newName == null) {
                continue;
            }
            List<Method> virtualMethods = VirtualMethods.getVirtualMethods(method);
            assert !virtualMethods.isEmpty();
            for (Method m : virtualMethods) {
                if (m.getAnnotations().find(DeobAnnotations.OBFUSCATED_NAME) == null) {
                    m.getAnnotations().addAnnotation(DeobAnnotations.OBFUSCATED_NAME, "value", m.getName());
                }
                m.setName(newName);
            }
            methods += virtualMethods.size();
        }
    }
    for (ClassFile cf : group.getClasses()) {
        String newName = mappings.get(cf.getPoolClass());
        if (newName == null) {
            continue;
        }
        renameClass(group, cf, newName);
        ++classes;
    }
    this.regeneratePool(group);
    logger.info("Renamed {} classes, {} fields, and {} methods", classes, fields, methods);
}

Example 27 with Signature

use of net.runelite.asm.signature.Signature in project runelite by runelite.

the class CodeVisitor method visitMethodInsn.

@Override
public void visitMethodInsn(int opcode, String owner, String name, String desc, boolean itf) {
    InvokeInstruction ii = (InvokeInstruction) createInstructionFromOpcode(opcode);
    assert ii instanceof InvokeInterface == itf;
    Type type = new Type(owner);
    net.runelite.asm.pool.Method entry = new net.runelite.asm.pool.Method(new net.runelite.asm.pool.Class(type.getInternalName()), name, new Signature(desc));
    ii.setMethod(entry);
}

Example 28 with Signature

use of net.runelite.asm.signature.Signature in project runelite by runelite.

the class EnumDeobfuscator method makeEnum.

private void makeEnum(ClassFile cf) {
    // make class an enum
    cf.setEnum();
    // enums super class is java/lang/Enum
    assert cf.getParentClass().getName().equals("java/lang/Object");
    cf.setSuperName("java/lang/Enum");
    // all static fields of the type of the class become enum members
    for (Field field : cf.getFields()) {
        if (field.isStatic() && field.getType().equals(new Type("L" + cf.getName() + ";"))) {
            field.setEnum();
        }
    }
    for (Method method : cf.getMethods()) {
        if (!method.getName().equals("<init>")) {
            continue;
        }
        // Add string as first argument, which is the field name,
        // and ordinal as second argument
        Signature signature = new Signature.Builder().setReturnType(method.getDescriptor().getReturnValue()).addArgument(Type.STRING).addArgument(Type.INT).addArguments(method.getDescriptor().getArguments()).build();
        method.setDescriptor(signature);
        // Remove instructions up to invokespecial
        Instructions ins = method.getCode().getInstructions();
        Instruction i;
        do {
            i = ins.getInstructions().get(0);
            ins.remove(i);
        } while (i.getType() != InstructionType.INVOKESPECIAL);
        // load this
        ins.addInstruction(0, new ALoad(ins, 0));
        // load constant name
        ins.addInstruction(1, new ALoad(ins, 1));
        // ordinal
        ins.addInstruction(2, new ILoad(ins, 2));
        // invoke enum constructor
        ins.addInstruction(3, new InvokeSpecial(ins, ENUM_INIT));
        // Shift all indexes after this up +2 because of the new String and int argument
        for (int j = 4; j < ins.getInstructions().size(); ++j) {
            i = ins.getInstructions().get(j);
            if (i instanceof LVTInstruction) {
                LVTInstruction lvt = ((LVTInstruction) i);
                int idx = lvt.getVariableIndex();
                if (idx != 0) {
                    lvt.setVariableIndex(idx + 2);
                }
            }
        }
    }
    // Order of fields being set in clinit, which is the order
    // the enum fields are actually in
    List<Field> order = new ArrayList<>();
    for (Method method : cf.getMethods()) {
        if (!method.getName().equals("<clinit>")) {
            continue;
        }
        Instructions ins = method.getCode().getInstructions();
        int count = 0;
        // sometimes there is new new invokespecial invokespecial putfield
        // for eg enum member field30(1, 2, String.class, new class5());
        boolean seenDup = false;
        for (int j = 0; j < ins.getInstructions().size(); ++j) {
            Instruction i = ins.getInstructions().get(j);
            if (i.getType() == InstructionType.DUP && !seenDup) {
                // XXX this should actually be the field name, but it seems to have no effect on fernflower
                ins.addInstruction(j + 1, new LDC(ins, "runelite"));
                ins.addInstruction(j + 2, new LDC(ins, count++));
                seenDup = true;
            } else if (i.getType() == InstructionType.INVOKESPECIAL) {
                Instruction next = ins.getInstructions().get(j + 1);
                // check if this is the invokespecial on the enum, putstatic comes next
                if (next.getType() == InstructionType.PUTSTATIC) {
                    InvokeSpecial is = (InvokeSpecial) i;
                    PutStatic ps = (PutStatic) next;
                    net.runelite.asm.pool.Method pmethod = new net.runelite.asm.pool.Method(is.getMethod().getClazz(), is.getMethod().getName(), new Signature.Builder().setReturnType(is.getMethod().getType().getReturnValue()).addArgument(Type.STRING).addArgument(Type.INT).addArguments(is.getMethod().getType().getArguments()).build());
                    is.setMethod(pmethod);
                    Field field = ps.getMyField();
                    assert field != null;
                    order.add(field);
                    seenDup = false;
                }
            }
        }
    }
    // Enum fields must be first. Also they are in order in clinit.
    // Sort fields
    Collections.sort(cf.getFields(), (f1, f2) -> {
        int idx1 = order.indexOf(f1);
        int idx2 = order.indexOf(f2);
        if (idx1 == -1) {
            idx1 = Integer.MAX_VALUE;
        }
        if (idx2 == -1) {
            idx2 = Integer.MAX_VALUE;
        }
        return Integer.compare(idx1, idx2);
    });
}

Example 29 with Signature

use of net.runelite.asm.signature.Signature in project runelite by runelite.

the class Frame method initialize.

public void initialize() {
    // initialize LVT
    int pos = 0;
    if (!method.isStatic()) {
        variables.set(pos++, new VariableContext(Type.getType(method.getClassFile().getPoolClass())).markParameter());
    }
    Signature descriptor = method.getDescriptor();
    for (int i = 0; i < descriptor.size(); ++i) {
        Type argumentType = descriptor.getTypeOfArg(i);
        variables.set(pos, new VariableContext(argumentType).markParameter());
        pos += argumentType.getSize();
    }
    Code code = method.getCode();
    cur = code.getInstructions().getInstructions().get(0);
}

Example 30 with Signature

use of net.runelite.asm.signature.Signature in project runelite by runelite.

the class MappingDumper method dumpJson.

@Test
public void dumpJson() throws IOException {
    ClassGroup group = JarUtil.loadJar(new File(properties.getRsClient()));
    Gson gson = new GsonBuilder().setPrettyPrinting().create();
    JsonObject jObject = new JsonObject();
    JsonArray jFields = new JsonArray();
    JsonArray jMethods = new JsonArray();
    for (ClassFile cf : group.getClasses()) {
        String implName = DeobAnnotations.getImplements(cf);
        String className = DeobAnnotations.getObfuscatedName(cf.getAnnotations());
        for (Field f : cf.getFields()) {
            String exportName = DeobAnnotations.getExportedName(f.getAnnotations());
            if (exportName == null) {
                continue;
            }
            String fieldName = DeobAnnotations.getObfuscatedName(f.getAnnotations());
            Type obfType = DeobAnnotations.getObfuscatedType(f);
            Number getter = DeobAnnotations.getObfuscatedGetter(f);
            JsonObject jField = new JsonObject();
            jField.addProperty("name", exportName);
            jField.addProperty("owner", f.isStatic() ? "" : implName);
            jField.addProperty("class", className);
            jField.addProperty("field", fieldName);
            jField.addProperty("obfSignature", (obfType != null ? obfType.toString() : ""));
            jField.addProperty("signature", f.getType().toString());
            jField.addProperty("multiplier", (getter != null ? getter : 0));
            jField.addProperty("static", f.isStatic());
            jFields.add(jField);
        }
        for (Method m : cf.getMethods()) {
            String exportName = DeobAnnotations.getExportedName(m.getAnnotations());
            if (exportName == null) {
                continue;
            }
            String methodName = DeobAnnotations.getObfuscatedName(m.getAnnotations());
            Signature obfSignature = DeobAnnotations.getObfuscatedSignature(m);
            String predicate = DeobAnnotations.getObfuscatedValue(m);
            JsonObject jMethod = new JsonObject();
            jMethod.addProperty("name", exportName);
            jMethod.addProperty("owner", m.isStatic() ? "" : implName);
            jMethod.addProperty("class", className);
            jMethod.addProperty("field", methodName);
            jMethod.addProperty("obfSignature", (obfSignature != null ? obfSignature.toString() : ""));
            jMethod.addProperty("signature", m.getDescriptor().toString());
            jMethod.addProperty("predicate", (predicate != null ? predicate : ""));
            jMethod.addProperty("static", m.isStatic());
            jMethods.add(jMethod);
        }
    }
    jObject.addProperty("runelite", "http://github.com/runelite");
    jObject.addProperty("run", Instant.now().toString());
    jObject.addProperty("gamepack", properties.getRsVersion());
    jObject.add("fields", jFields);
    jObject.add("methods", jMethods);
    System.out.println(gson.toJson(jObject));
}