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LibJS: Implement the TypedArray [[ContentType]] internal slot

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This commit is contained in:
Linus Groh 2021-06-27 20:57:39 +01:00
parent 93bae37dd9
commit d7750999b3
Notes: sideshowbarker 2024-07-18 11:26:34 +09:00 
Author: https://github.com/linusg
Commit: https://github.com/SerenityOS/serenity/commit/d7750999b3b
2 changed files with 11 additions and 0 deletions
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4
Userland/Libraries/LibJS/Runtime/TypedArray.cpp
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@ -204,6 +204,10 @@ void TypedArrayBase::visit_edges(Visitor& visitor)
ClassName::ClassName(u32 length, Object& prototype) \
: TypedArray(length, prototype) \
{ \
if constexpr (StringView { #ClassName }.is_one_of("BigInt64Array", "BigUint64Array")) \
m_content_type = ContentType::BigInt; \
else \
m_content_type = ContentType::Number; \
} \
\
ClassName::~ClassName() { } \

7
Userland/Libraries/LibJS/Runtime/TypedArray.h
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@ -17,9 +17,15 @@ class TypedArrayBase : public Object {
JS_OBJECT(TypedArrayBase, Object);
public:
enum class ContentType {
BigInt,
Number,
};
u32 array_length() const { return m_array_length; }
u32 byte_length() const { return m_byte_length; }
u32 byte_offset() const { return m_byte_offset; }
ContentType content_type() const { return m_content_type; }
ArrayBuffer* viewed_array_buffer() const { return m_viewed_array_buffer; }
void set_array_length(u32 length) { m_array_length = length; }
@ -39,6 +45,7 @@ protected:
u32 m_array_length { 0 };
u32 m_byte_length { 0 };
u32 m_byte_offset { 0 };
ContentType m_content_type { ContentType::Number };
ArrayBuffer* m_viewed_array_buffer { nullptr };
private: