Chromium Code Reviews| Index: src/assembler-irregexp-inl.h |
| =================================================================== |
| --- src/assembler-irregexp-inl.h (revision 0) |
| +++ src/assembler-irregexp-inl.h (revision 830) |
| @@ -0,0 +1,82 @@ |
| +// Copyright 2008 the V8 project authors. All rights reserved. |
| +// Redistribution and use in source and binary forms, with or without |
| +// modification, are permitted provided that the following conditions are |
| +// met: |
| +// |
| +// * Redistributions of source code must retain the above copyright |
| +// notice, this list of conditions and the following disclaimer. |
| +// * Redistributions in binary form must reproduce the above |
| +// copyright notice, this list of conditions and the following |
| +// disclaimer in the documentation and/or other materials provided |
| +// with the distribution. |
| +// * Neither the name of Google Inc. nor the names of its |
| +// contributors may be used to endorse or promote products derived |
| +// from this software without specific prior written permission. |
| +// |
| +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| + |
| +// A light-weight assembler for the Regexp2000 byte code. |
| + |
| + |
| +#include "v8.h" |
| +#include "ast.h" |
| +#include "bytecodes-irregexp.h" |
| +#include "assembler-irregexp.h" |
| + |
| + |
| +namespace v8 { namespace internal { |
| + |
| + |
| +void IrregexpAssembler::Emit(uint32_t byte) { |
| + ASSERT(pc_ <= buffer_.length()); |
| + if (pc_ == buffer_.length()) { |
| + Expand(); |
| + } |
| + buffer_[pc_++] = byte; |
| +} |
| + |
| + |
| +void IrregexpAssembler::Emit16(uint32_t word) { |
| + ASSERT(pc_ <= buffer_.length()); |
| + if (pc_ + 1 >= buffer_.length()) { |
| + Expand(); |
| + } |
| + Store16(buffer_.start() + pc_, word); |
| + pc_ += 2; |
| +} |
| + |
| + |
| +void IrregexpAssembler::Emit32(uint32_t word) { |
| + ASSERT(pc_ <= buffer_.length()); |
| + if (pc_ + 3 >= buffer_.length()) { |
| + Expand(); |
| + } |
| + Store32(buffer_.start() + pc_, word); |
| + pc_ += 4; |
| +} |
| + |
| + |
| +void IrregexpAssembler::EmitOrLink(Label* l) { |
|
Mads Ager (chromium)
2008/11/25 21:09:41
Indentation is off here. Use 2 spaces instead of
Erik Corry
2008/11/26 12:18:36
Fixed.
|
| + if (l->is_bound()) { |
| + Emit32(l->pos()); |
| + } else { |
| + int pos = 0; |
| + if (l->is_linked()) { |
| + pos = l->pos(); |
| + } |
| + l->link_to(pc_); |
| + Emit32(pos); |
| + } |
| + } |
| + |
| +} } // namespace v8::internal |