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@@ -40,6 +40,10 @@ public:
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virtual size_t element_size() const = 0;
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virtual String element_name() const = 0;
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+ // 25.1.2.6 IsUnclampedIntegerElementType ( type ), https://tc39.es/ecma262/#sec-isunclampedintegerelementtype
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+ virtual bool is_unclamped_integer_element_type() const = 0;
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+ // 25.1.2.7 IsBigIntElementType ( type ), https://tc39.es/ecma262/#sec-isbigintelementtype
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+ virtual bool is_bigint_element_type() const = 0;
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// 25.1.2.10 GetValueFromBuffer ( arrayBuffer, byteIndex, type, isTypedArray, order [ , isLittleEndian ] ), https://tc39.es/ecma262/#sec-getvaluefrombuffer
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virtual Value get_value_from_buffer(size_t byte_index, ArrayBuffer::Order, bool is_little_endian = true) const = 0;
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// 25.1.2.12 SetValueInBuffer ( arrayBuffer, byteIndex, type, value, isTypedArray, order [ , isLittleEndian ] ), https://tc39.es/ecma262/#sec-setvalueinbuffer
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@@ -438,6 +442,18 @@ public:
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virtual size_t element_size() const override { return sizeof(UnderlyingBufferDataType); };
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+ bool is_unclamped_integer_element_type() const override
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+ {
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+ constexpr bool is_unclamped_integer = IsSame<T, i8> || IsSame<T, u8> || IsSame<T, i16> || IsSame<T, u16> || IsSame<T, i32> || IsSame<T, u32>;
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+ return is_unclamped_integer;
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+ }
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+
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+ bool is_bigint_element_type() const override
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+ {
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+ constexpr bool is_bigint = IsSame<T, i64> || IsSame<T, u64>;
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+ return is_bigint;
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+ }
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+
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Value get_value_from_buffer(size_t byte_index, ArrayBuffer::Order order, bool is_little_endian = true) const override { return viewed_array_buffer()->template get_value<T>(byte_index, true, order, is_little_endian); }
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void set_value_in_buffer(size_t byte_index, Value value, ArrayBuffer::Order order, bool is_little_endian = true) override { viewed_array_buffer()->template set_value<T>(byte_index, value, true, order, is_little_endian); }
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Value get_modify_set_value_in_buffer(size_t byte_index, Value value, ReadWriteModifyFunction operation, bool is_little_endian = true) override { return viewed_array_buffer()->template get_modify_set_value<T>(byte_index, value, move(operation), is_little_endian); }
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