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 |