Merge regexp2000 back into bleeding_edge

src/assembler-irregexp-inl.h

+// 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 4.

[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