js-segment-iterator.h

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// Copyright 2020 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#ifndef V8_OBJECTS_JS_SEGMENT_ITERATOR_H_
#define V8_OBJECTS_JS_SEGMENT_ITERATOR_H_
 
#ifndef V8_INTL_SUPPORT
#error Internationalization is expected to be enabled.
#endif  // V8_INTL_SUPPORT
 
#include "src/base/bit-field.h"
#include "src/execution/isolate.h"
#include "src/heap/factory.h"
#include "src/objects/js-segmenter.h"
#include "src/objects/managed.h"
#include "src/objects/objects.h"
#include "unicode/uversion.h"
 
// Has to be the last include (doesn't have include guards):
#include "src/objects/object-macros.h"
 
namespace U_ICU_NAMESPACE {
class BreakIterator;
class UnicodeString;
}  // namespace U_ICU_NAMESPACE
 
namespace v8 {
namespace internal {
 
#include "torque-generated/src/objects/js-segment-iterator-tq.inc"
 
class JSSegmentIterator
    : public TorqueGeneratedJSSegmentIterator<JSSegmentIterator, JSObject> {
 public:
  // ecma402 #sec-CreateSegmentIterator
  V8_WARN_UNUSED_RESULT static MaybeDirectHandle<JSSegmentIterator> Create(
      Isolate* isolate, DirectHandle<String> input_string,
      icu::BreakIterator* icu_break_iterator,
      JSSegmenter::Granularity granularity);
 
  // ecma402 #sec-segment-iterator-prototype-next
  V8_WARN_UNUSED_RESULT static MaybeDirectHandle<JSReceiver> Next(
      Isolate* isolate,
      DirectHandle<JSSegmentIterator> segment_iterator_holder);
 
  Handle<String> GranularityAsString(Isolate* isolate) const;
 
  // SegmentIterator accessors.
  DECL_ACCESSORS(icu_break_iterator, Tagged<Managed<icu::BreakIterator>>)
  DECL_ACCESSORS(raw_string, Tagged<String>)
  DECL_ACCESSORS(unicode_string, Tagged<Managed<icu::UnicodeString>>)
 
  DECL_PRINTER(JSSegmentIterator)
 
  inline void set_granularity(JSSegmenter::Granularity granularity);
  inline JSSegmenter::Granularity granularity() const;
 
  // Bit positions in |flags|.
  DEFINE_TORQUE_GENERATED_JS_SEGMENT_ITERATOR_FLAGS()
 
  static_assert(GranularityBits::is_valid(JSSegmenter::Granularity::GRAPHEME));
  static_assert(GranularityBits::is_valid(JSSegmenter::Granularity::WORD));
  static_assert(GranularityBits::is_valid(JSSegmenter::Granularity::SENTENCE));
 
  TQ_OBJECT_CONSTRUCTORS(JSSegmentIterator)
};
 
class JSSegmentDataObject
    : public TorqueGeneratedJSSegmentDataObject<JSSegmentDataObject, JSObject> {
 public:
 private:
  TQ_OBJECT_CONSTRUCTORS(JSSegmentDataObject)
};
 
class JSSegmentDataObjectWithIsWordLike
    : public TorqueGeneratedJSSegmentDataObjectWithIsWordLike<
          JSSegmentDataObjectWithIsWordLike, JSSegmentDataObject> {
 public:
 private:
  TQ_OBJECT_CONSTRUCTORS(JSSegmentDataObjectWithIsWordLike)
};
 
}  // namespace internal
}  // namespace v8
 
#include "src/objects/object-macros-undef.h"
 
#endif  // V8_OBJECTS_JS_SEGMENT_ITERATOR_H_