Merge v8converions with conversions

src/v8conversions.cc

-// Copyright 2011 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.
-
-#include <stdarg.h>
-#include <limits.h>
-
-#include "v8.h"
-
-#include "assert-scope.h"
-#include "conversions-inl.h"
-#include "v8conversions.h"
-#include "dtoa.h"
-#include "factory.h"
-#include "strtod.h"
-
-namespace v8 {
-namespace internal {
-
-namespace {
-
-// C++-style iterator adaptor for StringCharacterStream
-// (unlike C++ iterators the end-marker has different type).
-class StringCharacterStreamIterator {
- public:
-  class EndMarker {};
-
-  explicit StringCharacterStreamIterator(StringCharacterStream* stream);
-
-  uint16_t operator*() const;
-  void operator++();
-  bool operator==(EndMarker const&) const { return end_; }
-  bool operator!=(EndMarker const& m) const { return !end_; }
-
- private:
-  StringCharacterStream* const stream_;
-  uint16_t current_;
-  bool end_;
-};
-
-
-StringCharacterStreamIterator::StringCharacterStreamIterator(
-    StringCharacterStream* stream) : stream_(stream) {
-  ++(*this);
-}
-
-uint16_t StringCharacterStreamIterator::operator*() const {
-  return current_;
-}
-
-
-void StringCharacterStreamIterator::operator++() {
-  end_ = !stream_->HasMore();
-  if (!end_) {
-    current_ = stream_->GetNext();
-  }
-}
-}  // End anonymous namespace.
-
-
-double StringToDouble(UnicodeCache* unicode_cache,
-                      String* string,
-                      int flags,
-                      double empty_string_val) {
-  DisallowHeapAllocation no_gc;
-  String::FlatContent flat = string->GetFlatContent();
-  // ECMA-262 section 15.1.2.3, empty string is NaN
-  if (flat.IsAscii()) {
-    return StringToDouble(
-        unicode_cache, flat.ToOneByteVector(), flags, empty_string_val);
-  } else {
-    return StringToDouble(
-        unicode_cache, flat.ToUC16Vector(), flags, empty_string_val);
-  }
-}
-
-} }  // namespace v8::internal