1 /*
2 * Copyright (c) 2023 Shenzhen Kaihong Digital Industry Development Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "builtins_segments.h"
17
18 #include "ecmascript/js_segment_iterator.h"
19 #include "ecmascript/js_segments.h"
20
21 namespace panda::ecmascript::builtins {
22 // %SegmentsPrototype%.containing ( index )
Containing(EcmaRuntimeCallInfo *argv)23 JSTaggedValue BuiltinsSegments::Containing(EcmaRuntimeCallInfo *argv)
24 {
25 JSThread *thread = argv->GetThread();
26 BUILTINS_API_TRACE(thread, Segments, Containing);
27 [[maybe_unused]] EcmaHandleScope scope(thread);
28
29 // 1. Let segments be the this value.
30 JSHandle<JSTaggedValue> thisValue = GetThis(argv);
31
32 // 2. Perform ? RequireInternalSlot(segments, [[SegmentsSegmenter]]).
33 if (!thisValue->IsJSSegments()) {
34 THROW_TYPE_ERROR_AND_RETURN(thread, "this is not Segments object", JSTaggedValue::Exception());
35 }
36
37 // 6. Let n be ? ToIntegerOrInfinity(index).
38 JSHandle<JSTaggedValue> indexTag = GetCallArg(argv, 0);
39 JSTaggedNumber indexVal = JSTaggedValue::ToInteger(thread, indexTag);
40 RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
41 JSHandle<JSSegments> segments = JSHandle<JSSegments>::Cast(thisValue);
42 return JSSegments::Containing(thread, segments, indexVal.GetNumber());
43 }
44
45 // %SegmentsPrototype% [ @@iterator ] ( )
GetSegmentIterator(EcmaRuntimeCallInfo *argv)46 JSTaggedValue BuiltinsSegments::GetSegmentIterator(EcmaRuntimeCallInfo *argv)
47 {
48 JSThread *thread = argv->GetThread();
49 BUILTINS_API_TRACE(thread, Segments, GetSegmentIterator);
50 [[maybe_unused]] EcmaHandleScope handleScope(thread);
51 // 1. Let segments be the this value.
52 JSHandle<JSTaggedValue> thisValue = GetThis(argv);
53
54 // 2. Perform ? RequireInternalSlot(segments, [[SegmentsSegmenter]]).
55 if (!thisValue->IsJSSegments()) {
56 THROW_TYPE_ERROR_AND_RETURN(thread, "this is not Segments object", JSTaggedValue::Exception());
57 }
58 JSHandle<JSSegments> segments = JSHandle<JSSegments>::Cast(thisValue);
59 // 3. Let segmenter be segments.[[SegmentsSegmenter]].
60 // 4. Let string be segments.[[SegmentsString]].
61 JSHandle<EcmaString> string(thread, segments->GetSegmentsString());
62 // 5. Return ! CreateSegmentIterator(segmenter, string).
63 return JSSegmentIterator::CreateSegmentIterator(thread, segments->GetIcuBreakIterator(), string,
64 segments->GetGranularity()).GetTaggedValue();
65 }
66 } // namespace panda::ecmascript::builtins