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Unified Diff: src/assembler-irregexp-inl.h

Issue 12427: Merge regexp2000 back into bleeding_edge (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 12 years, 1 month ago
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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

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