Examples with NameAndTypeConstant com.oracle.truffle.espresso.classfile.constantpool.NameAndTypeConstant used on opensource projects

Example 1 with NameAndTypeConstant

use of com.oracle.truffle.espresso.classfile.constantpool.NameAndTypeConstant in project graal by oracle.

the class ClassInfo method create.

public static ImmutableClassInfo create(Klass klass, InnerClassRedefiner innerClassRedefiner) {
    StringBuilder hierarchy = new StringBuilder();
    StringBuilder methods = new StringBuilder();
    StringBuilder fields = new StringBuilder();
    StringBuilder enclosing = new StringBuilder();
    Symbol<Name> name = klass.getName();
    Matcher matcher = InnerClassRedefiner.ANON_INNER_CLASS_PATTERN.matcher(name.toString());
    if (matcher.matches()) {
        // fingerprints are only relevant for inner classes
        hierarchy.append(klass.getSuperClass().getTypeAsString()).append(";");
        for (Klass itf : klass.getImplementedInterfaces()) {
            hierarchy.append(itf.getTypeAsString()).append(";");
        }
        for (Method method : klass.getDeclaredMethods()) {
            methods.append(method.getNameAsString()).append(";");
            methods.append(method.getSignatureAsString()).append(";");
        }
        for (Field field : klass.getDeclaredFields()) {
            fields.append(field.getTypeAsString()).append(";");
            fields.append(field.getNameAsString()).append(";");
        }
        ObjectKlass objectKlass = (ObjectKlass) klass;
        ConstantPool pool = klass.getConstantPool();
        NameAndTypeConstant nmt = pool.nameAndTypeAt(objectKlass.getEnclosingMethod().getMethodIndex());
        enclosing.append(nmt.getName(pool)).append(";").append(nmt.getDescriptor(pool));
    }
    // find all currently loaded direct inner classes and create class infos
    ArrayList<ImmutableClassInfo> inners = new ArrayList<>(1);
    Set<ObjectKlass> loadedInnerClasses = innerClassRedefiner.findLoadedInnerClasses(klass);
    for (Klass inner : loadedInnerClasses) {
        matcher = InnerClassRedefiner.ANON_INNER_CLASS_PATTERN.matcher(inner.getNameAsString());
        // only add anonymous inner classes
        if (matcher.matches()) {
            inners.add(innerClassRedefiner.getGlobalClassInfo(inner));
        }
    }
    return new ImmutableClassInfo((ObjectKlass) klass, name, klass.getDefiningClassLoader(), hierarchy.toString(), methods.toString(), fields.toString(), enclosing.toString(), inners, null);
}

Example 2 with NameAndTypeConstant

use of com.oracle.truffle.espresso.classfile.constantpool.NameAndTypeConstant in project graal by oracle.

the class ClassInfo method create.

public static HotSwapClassInfo create(ObjectKlass klass, Symbol<Name> name, byte[] bytes, StaticObject definingLoader, EspressoContext context) {
    Symbol<Type> type = context.getTypes().fromName(name);
    ParserKlass parserKlass = ClassfileParser.parse(new ClassfileStream(bytes, null), definingLoader, type, context);
    StringBuilder hierarchy = new StringBuilder();
    StringBuilder methods = new StringBuilder();
    StringBuilder fields = new StringBuilder();
    StringBuilder enclosing = new StringBuilder();
    Matcher matcher = InnerClassRedefiner.ANON_INNER_CLASS_PATTERN.matcher(name.toString());
    if (matcher.matches()) {
        // fingerprints are only relevant for inner classes
        hierarchy.append(parserKlass.getSuperKlass().toString()).append(";");
        for (Symbol<Type> itf : parserKlass.getSuperInterfaces()) {
            hierarchy.append(itf.toString()).append(";");
        }
        for (ParserMethod method : parserKlass.getMethods()) {
            methods.append(method.getName().toString()).append(";");
            methods.append(method.getSignature().toString()).append(";");
        }
        for (ParserField field : parserKlass.getFields()) {
            fields.append(field.getType().toString()).append(";");
            fields.append(field.getName().toString()).append(";");
        }
        ConstantPool pool = parserKlass.getConstantPool();
        EnclosingMethodAttribute attr = (EnclosingMethodAttribute) parserKlass.getAttribute(EnclosingMethodAttribute.NAME);
        NameAndTypeConstant nmt = pool.nameAndTypeAt(attr.getMethodIndex());
        enclosing.append(nmt.getName(pool)).append(";").append(nmt.getDescriptor(pool));
    }
    return new HotSwapClassInfo(klass, name, definingLoader, hierarchy.toString(), methods.toString(), fields.toString(), enclosing.toString(), new ArrayList<>(1), bytes);
}

Example 3 with NameAndTypeConstant

use of com.oracle.truffle.espresso.classfile.constantpool.NameAndTypeConstant in project graal by oracle.

the class VM method JVM_GetEnclosingMethodInfo.

@VmImpl(isJni = true)
@JavaType(Object[].class)
public StaticObject JVM_GetEnclosingMethodInfo(@JavaType(Class.class) StaticObject self) {
    Meta meta = getMeta();
    InterpreterToVM vm = meta.getInterpreterToVM();
    if (self.getMirrorKlass() instanceof ObjectKlass) {
        ObjectKlass klass = (ObjectKlass) self.getMirrorKlass();
        EnclosingMethodAttribute enclosingMethodAttr = klass.getEnclosingMethod();
        if (enclosingMethodAttr == null) {
            return StaticObject.NULL;
        }
        int classIndex = enclosingMethodAttr.getClassIndex();
        if (classIndex == 0) {
            return StaticObject.NULL;
        }
        StaticObject arr = meta.java_lang_Object.allocateReferenceArray(3);
        RuntimeConstantPool pool = klass.getConstantPool();
        Klass enclosingKlass = pool.resolvedKlassAt(klass, classIndex);
        vm.setArrayObject(enclosingKlass.mirror(), 0, arr);
        int methodIndex = enclosingMethodAttr.getMethodIndex();
        if (methodIndex != 0) {
            NameAndTypeConstant nmt = pool.nameAndTypeAt(methodIndex);
            StaticObject name = meta.toGuestString(nmt.getName(pool));
            StaticObject desc = meta.toGuestString(nmt.getDescriptor(pool));
            vm.setArrayObject(name, 1, arr);
            vm.setArrayObject(desc, 2, arr);
        }
        return arr;
    }
    return StaticObject.NULL;
}