Mercurial > hg > graal-jvmci-8
view graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/core/FiberNodes.java @ 13736:64fa70319890
Merge with 9161ed8ce7964ca3df5e91894522b207a2bc4a3e
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Wed, 22 Jan 2014 21:34:00 -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 = "Fiber") public abstract class FiberNodes { @CoreMethod(names = "resume", isSplatted = true) public abstract static class ResumeNode extends CoreMethodNode { public ResumeNode(RubyContext context, SourceSection sourceSection) { super(context, sourceSection); } public ResumeNode(ResumeNode prev) { super(prev); } @Specialization public Object resume(RubyFiber fiberBeingResumed, Object[] args) { final RubyFiber sendingFiber = getContext().getFiberManager().getCurrentFiber(); fiberBeingResumed.resume(sendingFiber, args); return sendingFiber.waitForResume(); } } @CoreMethod(names = "initialize", needsBlock = true, maxArgs = 0) public abstract static class InitializeNode extends CoreMethodNode { public InitializeNode(RubyContext context, SourceSection sourceSection) { super(context, sourceSection); } public InitializeNode(InitializeNode prev) { super(prev); } @Specialization public NilPlaceholder initialize(RubyFiber fiber, RubyProc block) { fiber.initialize(block); return NilPlaceholder.INSTANCE; } } @CoreMethod(names = "yield", isModuleMethod = true, needsSelf = false, isSplatted = true) public abstract static class YieldNode extends CoreMethodNode { public YieldNode(RubyContext context, SourceSection sourceSection) { super(context, sourceSection); } public YieldNode(YieldNode prev) { super(prev); } @Specialization public Object yield(Object[] args) { final RubyFiber yieldingFiber = getContext().getFiberManager().getCurrentFiber(); final RubyFiber fiberYieldedTo = yieldingFiber.lastResumedByFiber; fiberYieldedTo.resume(yieldingFiber, args); return yieldingFiber.waitForResume(); } } }