mirror of https://github.com/lukechilds/node.git
Ryan Dahl
15 years ago
108 changed files with 1541 additions and 696 deletions
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// Copyright 2008 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef V8_VIRTUAL_FRAME_INL_H_ |
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#define V8_VIRTUAL_FRAME_INL_H_ |
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#include "virtual-frame.h" |
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namespace v8 { |
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namespace internal { |
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// When cloned, a frame is a deep copy of the original.
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VirtualFrame::VirtualFrame(VirtualFrame* original) |
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: elements_(original->element_count()), |
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stack_pointer_(original->stack_pointer_) { |
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elements_.AddAll(original->elements_); |
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// Copy register locations from original.
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memcpy(®ister_locations_, |
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original->register_locations_, |
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sizeof(register_locations_)); |
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} |
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void VirtualFrame::PushFrameSlotAt(int index) { |
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elements_.Add(CopyElementAt(index)); |
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} |
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void VirtualFrame::Push(Register reg, NumberInfo::Type info) { |
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if (is_used(reg)) { |
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int index = register_location(reg); |
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FrameElement element = CopyElementAt(index, info); |
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elements_.Add(element); |
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} else { |
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Use(reg, element_count()); |
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FrameElement element = |
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FrameElement::RegisterElement(reg, FrameElement::NOT_SYNCED, info); |
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elements_.Add(element); |
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} |
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} |
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void VirtualFrame::Push(Handle<Object> value) { |
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FrameElement element = |
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FrameElement::ConstantElement(value, FrameElement::NOT_SYNCED); |
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elements_.Add(element); |
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} |
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void VirtualFrame::Push(Smi* value) { |
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Push(Handle<Object> (value)); |
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} |
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void VirtualFrame::Nip(int num_dropped) { |
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ASSERT(num_dropped >= 0); |
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if (num_dropped == 0) return; |
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Result tos = Pop(); |
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if (num_dropped > 1) { |
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Drop(num_dropped - 1); |
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} |
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SetElementAt(0, &tos); |
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} |
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bool VirtualFrame::Equals(VirtualFrame* other) { |
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#ifdef DEBUG |
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for (int i = 0; i < RegisterAllocator::kNumRegisters; i++) { |
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if (register_location(i) != other->register_location(i)) { |
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return false; |
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} |
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} |
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if (element_count() != other->element_count()) return false; |
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#endif |
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if (stack_pointer_ != other->stack_pointer_) return false; |
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for (int i = 0; i < element_count(); i++) { |
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if (!elements_[i].Equals(other->elements_[i])) return false; |
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} |
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return true; |
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} |
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} } // namespace v8::internal
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#endif // V8_VIRTUAL_FRAME_INL_H_
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@ -1,9 +1,7 @@ |
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process.mixin(require("../common")); |
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var dirname = path.dirname(__filename); |
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assert.equal(true, process.cwd() !== __dirname); |
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assert.equal(true, process.cwd() !== dirname); |
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process.chdir(__dirname); |
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process.chdir(dirname); |
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assert.equal(true, process.cwd() === dirname); |
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assert.equal(true, process.cwd() === __dirname); |
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