// 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_SEGMENTS_H_ #define V8_OBJECTS_JS_SEGMENTS_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-segments-tq.inc" class JSSegments : public TorqueGeneratedJSSegments<JSSegments, JSObject> { public: // ecma402 #sec-createsegmentsobject V8_WARN_UNUSED_RESULT static MaybeHandle<JSSegments> Create( Isolate* isolate, Handle<JSSegmenter> segmenter, Handle<String> string); // ecma402 #sec-%segmentsprototype%.containing V8_WARN_UNUSED_RESULT static MaybeHandle<Object> Containing( Isolate* isolate, Handle<JSSegments> segments_holder, double n); // ecma402 #sec-createsegmentdataobject V8_WARN_UNUSED_RESULT static MaybeHandle<Object> CreateSegmentDataObject( Isolate* isolate, JSSegmenter::Granularity granularity, icu::BreakIterator* break_iterator, const icu::UnicodeString& string, int32_t start_index, int32_t end_index); Handle<String> GranularityAsString(Isolate* isolate) const; // SegmentIterator accessors. DECL_ACCESSORS(icu_break_iterator, Managed<icu::BreakIterator>) DECL_ACCESSORS(unicode_string, Managed<icu::UnicodeString>) DECL_PRINTER(JSSegments) 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(JSSegmenter::Granularity::GRAPHEME <= GranularityBits::kMax); STATIC_ASSERT(JSSegmenter::Granularity::WORD <= GranularityBits::kMax); STATIC_ASSERT(JSSegmenter::Granularity::SENTENCE <= GranularityBits::kMax); TQ_OBJECT_CONSTRUCTORS(JSSegments) }; } // namespace internal } // namespace v8 #include "src/objects/object-macros-undef.h" #endif // V8_OBJECTS_JS_SEGMENTS_H_