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LibJS/JIT: Compile the ThrowIfNullish instruction

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Simon Wanner 2023-10-29 16:13:07 +01:00 • committed by Andreas Kling
parent 9e2edc3085
commit e7fdf9c7e5
2 changed files with 16 additions and 1 deletions
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14
Userland/Libraries/LibJS/JIT/Compiler.cpp
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@ -1255,6 +1255,20 @@ void Compiler::compile_throw_if_not_object(Bytecode::Op::ThrowIfNotObject const&
check_exception(); check_exception();
} }
static Value cxx_throw_if_nullish(VM& vm, Value value)
{
if (value.is_nullish())
TRY_OR_SET_EXCEPTION(vm.throw_completion<TypeError>(ErrorType::NotObjectCoercible, value.to_string_without_side_effects()));
return {};
}
void Compiler::compile_throw_if_nullish(Bytecode::Op::ThrowIfNullish const&)
{
load_vm_register(ARG1, Bytecode::Register::accumulator());
native_call((void*)cxx_throw_if_nullish);
check_exception();
}
void Compiler::jump_to_exit() void Compiler::jump_to_exit()
{ {
m_assembler.jump(m_exit_label); m_assembler.jump(m_exit_label);

3
Userland/Libraries/LibJS/JIT/Compiler.h
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@ -109,7 +109,8 @@ private:
O(GetIterator, get_iterator) \ O(GetIterator, get_iterator) \
O(IteratorNext, iterator_next) \ O(IteratorNext, iterator_next) \
O(IteratorResultDone, iterator_result_done) \ O(IteratorResultDone, iterator_result_done) \
O(ThrowIfNotObject, throw_if_not_object) O(ThrowIfNotObject, throw_if_not_object) \
O(ThrowIfNullish, throw_if_nullish)
# define DECLARE_COMPILE_OP(OpTitleCase, op_snake_case) \ # define DECLARE_COMPILE_OP(OpTitleCase, op_snake_case) \
void compile_##op_snake_case(Bytecode::Op::OpTitleCase const&); void compile_##op_snake_case(Bytecode::Op::OpTitleCase const&);