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LibJS/JIT: Compile the GetIterator instruction

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Simon Wanner 2023-10-29 15:53:36 +01:00 committed by Andreas Kling
parent d416cef9bb
commit 4f8f8b7792
Notes: sideshowbarker 2024-07-17 18:06:52 +09:00 
Author: https://github.com/skyrising
Commit: https://github.com/SerenityOS/serenity/commit/4f8f8b7792
Pull-request: https://github.com/SerenityOS/serenity/pull/21677
3 changed files with 21 additions and 1 deletions
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2
Userland/Libraries/LibJS/Bytecode/Op.h
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@ -1299,6 +1299,8 @@ public:
ThrowCompletionOr<void> execute_impl(Bytecode::Interpreter&) const;
DeprecatedString to_deprecated_string_impl(Bytecode::Executable const&) const;
IteratorHint hint() const { return m_hint; }
private:
IteratorHint m_hint { IteratorHint::Sync };
};

17
Userland/Libraries/LibJS/JIT/Compiler.cpp
View file

@ -1195,6 +1195,23 @@ void Compiler::compile_super_call_with_argument_array(Bytecode::Op::SuperCallWit
check_exception();
}
static Value cxx_get_iterator(VM& vm, Value value, IteratorHint hint)
{
auto iterator = TRY_OR_SET_EXCEPTION(get_iterator(vm, value, hint));
return Bytecode::iterator_to_object(vm, iterator);
}
void Compiler::compile_get_iterator(Bytecode::Op::GetIterator const& op)
{
load_vm_register(ARG1, Bytecode::Register::accumulator());
m_assembler.mov(
Assembler::Operand::Register(ARG2),
Assembler::Operand::Imm(to_underlying(op.hint())));
native_call((void*)cxx_get_iterator);
store_vm_register(Bytecode::Register::accumulator(), RET);
check_exception();
}
void Compiler::jump_to_exit()
{
m_assembler.jump(m_exit_label);

3
Userland/Libraries/LibJS/JIT/Compiler.h
View file

@ -105,7 +105,8 @@ private:
O(ContinuePendingUnwind, continue_pending_unwind) \
O(ConcatString, concat_string) \
O(BlockDeclarationInstantiation, block_declaration_instantiation) \
O(SuperCallWithArgumentArray, super_call_with_argument_array)
O(SuperCallWithArgumentArray, super_call_with_argument_array) \
O(GetIterator, get_iterator)
# define DECLARE_COMPILE_OP(OpTitleCase, op_snake_case) \
void compile_##op_snake_case(Bytecode::Op::OpTitleCase const&);