org.jruby.truffle.language.supercall.ZSuperOutsideMethodNode Maven / Gradle / Ivy
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/*
* Copyright (c) 2015, 2017 Oracle and/or its affiliates. All rights reserved. This
* code is released under a tri EPL/GPL/LGPL license. You can use it,
* redistribute it and/or modify it under the terms of the:
*
* Eclipse Public License version 1.0
* GNU General Public License version 2
* GNU Lesser General Public License version 2.1
*/
package org.jruby.truffle.language.supercall;
import com.oracle.truffle.api.frame.VirtualFrame;
import org.jcodings.specific.UTF8Encoding;
import org.jruby.truffle.language.RubyNode;
import org.jruby.truffle.language.arguments.RubyArguments;
import org.jruby.truffle.language.control.RaiseException;
import org.jruby.truffle.language.methods.InternalMethod;
/**
* Represents a super call with implicit arguments without a surrounding method
*/
public class ZSuperOutsideMethodNode extends RubyNode {
final boolean insideDefineMethod;
@Child private LookupSuperMethodNode lookupSuperMethodNode = LookupSuperMethodNodeGen.create(null);
public ZSuperOutsideMethodNode(boolean insideDefineMethod) {
this.insideDefineMethod = insideDefineMethod;
}
@Override
public final Object execute(VirtualFrame frame) {
// This is MRI behavior
if (insideDefineMethod) { // TODO (eregon, 22 July 2015): This check should be more dynamic.
throw new RaiseException(coreExceptions().runtimeError(
"implicit argument passing of super from method defined by define_method() is not supported. Specify all arguments explicitly.", this));
} else {
throw new RaiseException(coreExceptions().noSuperMethodOutsideMethodError(this));
}
}
@Override
public Object isDefined(VirtualFrame frame) {
final Object self = RubyArguments.getSelf(frame);
final InternalMethod superMethod = lookupSuperMethodNode.executeLookupSuperMethod(frame, self);
if (superMethod == null) {
return nil();
} else {
return create7BitString("super", UTF8Encoding.INSTANCE);
}
}
}
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