Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/core/NilClassNodes.java @ 13745:978587c91373
Merge
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Thu, 23 Jan 2014 16:35:57 -0800 |
parents | 0fbee3eb71f0 |
children |
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/* * Copyright (c) 2013 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 com.oracle.truffle.ruby.nodes.core; import com.oracle.truffle.api.*; import com.oracle.truffle.api.dsl.*; import com.oracle.truffle.ruby.runtime.*; import com.oracle.truffle.ruby.runtime.core.*; @CoreClass(name = "NilClass") public abstract class NilClassNodes { @CoreMethod(names = "!", needsSelf = false, maxArgs = 0) public abstract static class NotNode extends CoreMethodNode { public NotNode(RubyContext context, SourceSection sourceSection) { super(context, sourceSection); } public NotNode(NotNode prev) { super(prev); } @Specialization public boolean not() { return true; } } @CoreMethod(names = "==", needsSelf = false, minArgs = 1, maxArgs = 1) public abstract static class EqualNode extends CoreMethodNode { public EqualNode(RubyContext context, SourceSection sourceSection) { super(context, sourceSection); } public EqualNode(EqualNode prev) { super(prev); } @Specialization public boolean equal(Object b) { return b instanceof NilPlaceholder || b instanceof RubyNilClass; } } @CoreMethod(names = "!=", needsSelf = false, minArgs = 1, maxArgs = 1) public abstract static class NotEqualNode extends CoreMethodNode { public NotEqualNode(RubyContext context, SourceSection sourceSection) { super(context, sourceSection); } public NotEqualNode(NotEqualNode prev) { super(prev); } @Specialization public boolean equal(Object b) { return !(b instanceof NilPlaceholder || b instanceof RubyNilClass); } } @CoreMethod(names = "inspect", needsSelf = false, maxArgs = 0) public abstract static class InpsectNode extends CoreMethodNode { public InpsectNode(RubyContext context, SourceSection sourceSection) { super(context, sourceSection); } public InpsectNode(InpsectNode prev) { super(prev); } @Specialization public RubyString inspect() { return getContext().makeString("nil"); } } @CoreMethod(names = "nil?", needsSelf = false, maxArgs = 0) public abstract static class NilNode extends CoreMethodNode { public NilNode(RubyContext context, SourceSection sourceSection) { super(context, sourceSection); } public NilNode(NilNode prev) { super(prev); } @Specialization public boolean nil() { return true; } } @CoreMethod(names = "to_i", needsSelf = false, maxArgs = 0) public abstract static class ToINode extends CoreMethodNode { public ToINode(RubyContext context, SourceSection sourceSection) { super(context, sourceSection); } public ToINode(ToINode prev) { super(prev); } @Specialization public int toI() { return 0; } } @CoreMethod(names = "to_s", needsSelf = false, maxArgs = 0) public abstract static class ToSNode extends CoreMethodNode { public ToSNode(RubyContext context, SourceSection sourceSection) { super(context, sourceSection); } public ToSNode(ToSNode prev) { super(prev); } @Specialization public RubyString toS() { return getContext().makeString(""); } } }