public DynamicObject getNormalObjectSingletonClass(DynamicObject object) {
CompilerAsserts.neverPartOfCompilation();
if (RubyGuards.isRubyClass(object)) { // For the direct caller
return ClassNodes.getSingletonClass(object);
}
if (Layouts.CLASS.getIsSingleton(Layouts.BASIC_OBJECT.getMetaClass(object))) {
return Layouts.BASIC_OBJECT.getMetaClass(object);
}
CompilerDirectives.transferToInterpreter();
final DynamicObject logicalClass = BasicObjectNodes.getLogicalClass(object);
DynamicObject attached = null;
if (RubyGuards.isRubyModule(object)) {
attached = object;
}
final String name =
String.format(
"#<Class:#<%s:0x%x>>",
Layouts.MODULE.getFields(logicalClass).getName(),
BasicObjectNodes.verySlowGetObjectID(object));
final DynamicObject singletonClass =
ClassNodes.createSingletonClassOfObject(getContext(), logicalClass, attached, name);
propagateFrozen(object, singletonClass);
Layouts.BASIC_OBJECT.setMetaClass(object, singletonClass);
return singletonClass;
}
public static void initialize(DynamicObject rubyClass, DynamicObject superclass) {
assert RubyGuards.isRubyClass(superclass);
Layouts.MODULE.getFields(rubyClass).parentModule = Layouts.MODULE.getFields(superclass).start;
Layouts.MODULE.getFields(superclass).addDependent(rubyClass);
Layouts.MODULE.getFields(rubyClass).newVersion();
ensureSingletonConsistency(rubyClass);
DynamicObjectFactory factory = Layouts.CLASS.getInstanceFactory(superclass);
factory = Layouts.BASIC_OBJECT.setLogicalClass(factory, rubyClass);
factory = Layouts.BASIC_OBJECT.setMetaClass(factory, rubyClass);
Layouts.CLASS.setInstanceFactoryUnsafe(rubyClass, factory);
}
public void getAdoptedByLexicalParent(
DynamicObject lexicalParent, String name, Node currentNode) {
assert RubyGuards.isRubyModule(lexicalParent);
Layouts.MODULE
.getFields(lexicalParent)
.setConstantInternal(currentNode, name, rubyModuleObject, false);
Layouts.MODULE.getFields(lexicalParent).addLexicalDependent(rubyModuleObject);
if (this.name == null) {
// Tricky, we need to compare with the Object class, but we only have a Class at hand.
final DynamicObject classClass = Layouts.BASIC_OBJECT.getLogicalClass(getLogicalClass());
final DynamicObject objectClass =
ClassNodes.getSuperClass(ClassNodes.getSuperClass(classClass));
if (lexicalParent == objectClass) {
this.name = name;
updateAnonymousChildrenModules();
} else if (Layouts.MODULE.getFields(lexicalParent).hasName()) {
this.name = Layouts.MODULE.getFields(lexicalParent).getName() + "::" + name;
updateAnonymousChildrenModules();
}
// else: Our lexicalParent is also an anonymous module
// and will name us when it gets named via updateAnonymousChildrenModules()
}
}
private Object coerceObject(VirtualFrame frame, Object object) {
if (toIntNode == null) {
CompilerDirectives.transferToInterpreter();
toIntNode = insert(DispatchHeadNodeFactory.createMethodCall(getContext()));
}
final Object coerced;
try {
coerced = toIntNode.call(frame, object, "to_int", null);
} catch (RaiseException e) {
if (Layouts.BASIC_OBJECT.getLogicalClass(e.getRubyException())
== getContext().getCoreLibrary().getNoMethodErrorClass()) {
CompilerDirectives.transferToInterpreter();
throw new RaiseException(
getContext().getCoreLibrary().typeErrorNoImplicitConversion(object, "Integer", this));
} else {
throw e;
}
}
if (getContext().getCoreLibrary().getLogicalClass(coerced)
== getContext().getCoreLibrary().getFixnumClass()) {
return coerced;
} else {
CompilerDirectives.transferToInterpreter();
throw new RaiseException(
getContext()
.getCoreLibrary()
.typeErrorBadCoercion(object, "Integer", "to_int", coerced, this));
}
}
public static DynamicObject createOneSingletonClass(DynamicObject rubyClass) {
CompilerAsserts.neverPartOfCompilation();
if (Layouts.CLASS.getIsSingleton(Layouts.BASIC_OBJECT.getMetaClass(rubyClass))) {
return Layouts.BASIC_OBJECT.getMetaClass(rubyClass);
}
final DynamicObject singletonSuperclass;
if (getSuperClass(rubyClass) == null) {
singletonSuperclass = Layouts.BASIC_OBJECT.getLogicalClass(rubyClass);
} else {
singletonSuperclass = createOneSingletonClass(getSuperClass(rubyClass));
}
String name = String.format("#<Class:%s>", Layouts.MODULE.getFields(rubyClass).getName());
Layouts.BASIC_OBJECT.setMetaClass(
rubyClass,
ClassNodes.createRubyClass(
Layouts.MODULE.getFields(Layouts.BASIC_OBJECT.getLogicalClass(rubyClass)).getContext(),
Layouts.BASIC_OBJECT.getLogicalClass(rubyClass),
null,
singletonSuperclass,
name,
true,
rubyClass));
return Layouts.BASIC_OBJECT.getMetaClass(rubyClass);
}
public static DynamicObject createRubyClass(
RubyContext context,
DynamicObject classClass,
DynamicObject lexicalParent,
DynamicObject superclass,
String name,
boolean isSingleton,
DynamicObject attached) {
final ModuleFields model = new ModuleFields(context, lexicalParent, name);
final DynamicObject rubyClass =
Layouts.CLASS.createClass(
Layouts.CLASS.getInstanceFactory(classClass), model, isSingleton, attached, null);
assert RubyGuards.isRubyClass(rubyClass) : classClass.getShape().getObjectType().getClass();
assert RubyGuards.isRubyModule(rubyClass) : classClass.getShape().getObjectType().getClass();
model.rubyModuleObject = rubyClass;
if (model.lexicalParent == null) { // bootstrap or anonymous module
Layouts.MODULE.getFields(rubyClass).name = Layouts.MODULE.getFields(rubyClass).givenBaseName;
} else {
Layouts.MODULE
.getFields(rubyClass)
.getAdoptedByLexicalParent(model.lexicalParent, model.givenBaseName, null);
}
if (superclass != null) {
assert RubyGuards.isRubyClass(superclass);
assert RubyGuards.isRubyClass(Layouts.MODULE.getFields(rubyClass).rubyModuleObject);
Layouts.MODULE.getFields(rubyClass).parentModule = Layouts.MODULE.getFields(superclass).start;
Layouts.MODULE
.getFields(superclass)
.addDependent(Layouts.MODULE.getFields(rubyClass).rubyModuleObject);
Layouts.MODULE.getFields(rubyClass).newVersion();
}
DynamicObjectFactory factory = Layouts.CLASS.getInstanceFactory(superclass);
factory = Layouts.BASIC_OBJECT.setLogicalClass(factory, rubyClass);
factory = Layouts.BASIC_OBJECT.setMetaClass(factory, rubyClass);
Layouts.CLASS.setInstanceFactoryUnsafe(rubyClass, factory);
return rubyClass;
}
public static DynamicObject createRubyClass(
RubyContext context, DynamicObject lexicalParent, DynamicObject superclass, String name) {
final DynamicObject rubyClass =
createRubyClass(
context,
Layouts.BASIC_OBJECT.getLogicalClass(superclass),
lexicalParent,
superclass,
name,
false,
null);
ensureSingletonConsistency(rubyClass);
return rubyClass;
}
public static DynamicObject createSingletonClassOfObject(
RubyContext context, DynamicObject superclass, DynamicObject attached, String name) {
// We also need to create the singleton class of a singleton class for proper lookup and
// consistency.
// See rb_singleton_class() documentation in MRI.
// Allocator is null here, we cannot create instances of singleton classes.
assert RubyGuards.isRubyClass(superclass);
assert attached == null || RubyGuards.isRubyModule(attached);
return ensureSingletonConsistency(
createRubyClass(
context,
Layouts.BASIC_OBJECT.getLogicalClass(superclass),
null,
superclass,
name,
true,
attached));
}
/**
* This constructor supports initialization and solves boot-order problems and should not normally
* be used from outside this class.
*/
public static DynamicObject createBootClass(
DynamicObject classClass, DynamicObject superclass, String name) {
assert RubyGuards.isRubyClass(classClass);
assert superclass == null || RubyGuards.isRubyClass(superclass);
final ModuleFields model =
new ModuleFields(
Layouts.MODULE.getFields(Layouts.BASIC_OBJECT.getLogicalClass(classClass)).getContext(),
null,
name);
final DynamicObject rubyClass =
Layouts.CLASS.createClass(
Layouts.CLASS.getInstanceFactory(classClass), model, false, null, null);
assert RubyGuards.isRubyClass(rubyClass) : classClass.getShape().getObjectType().getClass();
assert RubyGuards.isRubyModule(rubyClass) : classClass.getShape().getObjectType().getClass();
model.rubyModuleObject = rubyClass;
if (model.lexicalParent == null) { // bootstrap or anonymous module
Layouts.MODULE.getFields(rubyClass).name = Layouts.MODULE.getFields(rubyClass).givenBaseName;
} else {
Layouts.MODULE
.getFields(rubyClass)
.getAdoptedByLexicalParent(model.lexicalParent, model.givenBaseName, null);
}
if (superclass != null) {
assert RubyGuards.isRubyClass(superclass);
assert RubyGuards.isRubyClass(Layouts.MODULE.getFields(rubyClass).rubyModuleObject);
Layouts.MODULE.getFields(rubyClass).parentModule = Layouts.MODULE.getFields(superclass).start;
Layouts.MODULE
.getFields(superclass)
.addDependent(Layouts.MODULE.getFields(rubyClass).rubyModuleObject);
Layouts.MODULE.getFields(rubyClass).newVersion();
}
return rubyClass;
}
/** Special constructor for class Class */
public static DynamicObject createClassClass(RubyContext context) {
final ModuleFields model = new ModuleFields(context, null, "Class");
final DynamicObject rubyClass = LAYOUT.newInstance(LAYOUT.createShape(new ObjectType()));
final DynamicObjectFactory factory = Layouts.CLASS.createClassShape(rubyClass, rubyClass);
rubyClass.setShapeAndGrow(rubyClass.getShape(), factory.getShape());
assert RubyGuards.isRubyModule(rubyClass);
assert RubyGuards.isRubyClass(rubyClass);
model.rubyModuleObject = rubyClass;
Layouts.CLASS.setInstanceFactoryUnsafe(rubyClass, factory);
Layouts.MODULE.setFields(rubyClass, model);
model.name = model.givenBaseName;
assert RubyGuards.isRubyModule(rubyClass);
assert RubyGuards.isRubyClass(rubyClass);
assert Layouts.MODULE.getFields(rubyClass) == model;
assert Layouts.BASIC_OBJECT.getLogicalClass(rubyClass) == rubyClass;
return rubyClass;
}
@Override
public Object isDefined(VirtualFrame frame) {
final RubyConstant constant;
try {
constant = lookupConstantNode.executeLookupConstant(frame);
} catch (RaiseException e) {
if (Layouts.BASIC_OBJECT.getLogicalClass(((DynamicObject) e.getRubyException()))
== getContext().getCoreLibrary().getNameErrorClass()) {
// private constant
return nil();
}
throw e;
}
if (constant == null) {
return nil();
} else {
return Layouts.STRING.createString(
getContext().getCoreLibrary().getStringFactory(),
RubyString.encodeBytelist("constant", UTF8Encoding.INSTANCE),
StringSupport.CR_7BIT,
null);
}
}
private DynamicObject translate(UnsupportedSpecializationException exception) {
if (getContext().getOptions().EXCEPTIONS_PRINT_JAVA) {
exception.printStackTrace();
}
final StringBuilder builder = new StringBuilder();
builder.append("Truffle doesn't have a case for the ");
builder.append(exception.getNode().getClass().getName());
builder.append(" node with values of type ");
for (Object value : exception.getSuppliedValues()) {
builder.append(" ");
if (value == null) {
builder.append("null");
} else if (value instanceof DynamicObject) {
builder.append(
Layouts.MODULE
.getFields(Layouts.BASIC_OBJECT.getLogicalClass(((DynamicObject) value)))
.getName());
builder.append("(");
builder.append(value.getClass().getName());
builder.append(")");
if (RubyGuards.isRubyArray(value)) {
final DynamicObject array = (DynamicObject) value;
builder.append("[");
if (Layouts.ARRAY.getStore(array) == null) {
builder.append("null");
} else {
builder.append(Layouts.ARRAY.getStore(array).getClass().getName());
}
builder.append(",");
builder.append(Layouts.ARRAY.getSize(array));
builder.append("]");
} else if (RubyGuards.isRubyHash(value)) {
final Object store = Layouts.HASH.getStore((DynamicObject) value);
if (store == null) {
builder.append("[null]");
} else {
builder.append("[");
builder.append(store.getClass().getName());
builder.append("]");
}
}
} else {
builder.append(value.getClass().getName());
}
if (value instanceof Number || value instanceof Boolean) {
builder.append("=");
builder.append(value.toString());
}
}
switch (unsupportedOperationBehavior) {
case TYPE_ERROR:
return getContext().getCoreLibrary().typeError(builder.toString(), this);
case ARGUMENT_ERROR:
return getContext().getCoreLibrary().argumentError(builder.toString(), this);
default:
throw new UnsupportedOperationException();
}
}
public DynamicObject getLogicalClass() {
return Layouts.BASIC_OBJECT.getLogicalClass(rubyModuleObject);
}