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LibJS: Implement array destructuring for the bytecode interpreter

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Matthew Olsson 2021-06-13 13:40:48 -07:00 • committed by Andreas Kling
parent 14fff5df06
commit 7983324639
4 changed files with 267 additions and 50 deletions
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49
Userland/Libraries/LibJS/Bytecode/Op.h
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@ -582,6 +582,7 @@ public:
, m_variables(move(variables))
{
}
void execute_impl(Bytecode::Interpreter&) const;
String to_string_impl(Bytecode::Executable const&) const;
void replace_references_impl(BasicBlock const&, BasicBlock const&) { }
@ -606,6 +607,54 @@ private:
size_t m_index { 0 };
};
class GetIterator final : public Instruction {
public:
GetIterator()
: Instruction(Type::GetIterator)
{
}
void execute_impl(Bytecode::Interpreter&) const;
String to_string_impl(Bytecode::Executable const&) const;
void replace_references_impl(BasicBlock const&, BasicBlock const&) { }
};
class IteratorNext final : public Instruction {
public:
IteratorNext()
: Instruction(Type::IteratorNext)
{
}
void execute_impl(Bytecode::Interpreter&) const;
String to_string_impl(Bytecode::Executable const&) const;
void replace_references_impl(BasicBlock const&, BasicBlock const&) { }
};
class IteratorResultDone final : public Instruction {
public:
IteratorResultDone()
: Instruction(Type::IteratorResultDone)
{
}
void execute_impl(Bytecode::Interpreter&) const;
String to_string_impl(Bytecode::Executable const&) const;
void replace_references_impl(BasicBlock const&, BasicBlock const&) { }
};
class IteratorResultValue final : public Instruction {
public:
IteratorResultValue()
: Instruction(Type::IteratorResultValue)
{
}
void execute_impl(Bytecode::Interpreter&) const;
String to_string_impl(Bytecode::Executable const&) const;
void replace_references_impl(BasicBlock const&, BasicBlock const&) { }
};
}
namespace JS::Bytecode {