RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-31 21:48:13 +00:00
Code Issues Activity Actions

LibJS/JIT: Compile the DeleteByValue instruction

Browse source
This commit is contained in:
Jakub Berkop 2023-10-29 21:20:25 +01:00 • committed by Andreas Kling
parent f5fcd4596c
commit 0776404e03
6 changed files with 33 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

11
Userland/Libraries/LibJS/Bytecode/CommonImplementations.cpp
View file

@ -635,4 +635,15 @@ ThrowCompletionOr<Value> delete_by_id(Bytecode::Interpreter& interpreter, Value
return TRY(reference.delete_(vm));
}
ThrowCompletionOr<Value> delete_by_value(Bytecode::Interpreter& interpreter, Value base, Value property_key_value)
{
auto& vm = interpreter.vm();
auto property_key = TRY(property_key_value.to_property_key(vm));
bool strict = vm.in_strict_mode();
auto reference = Reference { base, property_key, {}, strict };
return Value(TRY(reference.delete_(vm)));
}
}

1
Userland/Libraries/LibJS/Bytecode/CommonImplementations.h
View file

@ -40,5 +40,6 @@ IteratorRecord object_to_iterator(VM&, Object&);
ThrowCompletionOr<NonnullGCPtr<Array>> iterator_to_array(VM&, Value iterator);
ThrowCompletionOr<void> append(VM& vm, Value lhs, Value rhs, bool is_spread);
ThrowCompletionOr<Value> delete_by_id(Bytecode::Interpreter&, Value base, IdentifierTableIndex identifier);
ThrowCompletionOr<Value> delete_by_value(Bytecode::Interpreter&, Value base, Value property_key_value);
}

12
Userland/Libraries/LibJS/Bytecode/Interpreter.cpp
View file

@ -1108,16 +1108,10 @@ ThrowCompletionOr<void> PutByValueWithThis::execute_impl(Bytecode::Interpreter&
ThrowCompletionOr<void> DeleteByValue::execute_impl(Bytecode::Interpreter& interpreter) const
{
auto& vm = interpreter.vm();
// NOTE: Get the property key from the accumulator before side effects have a chance to overwrite it.
auto property_key_value = interpreter.accumulator();
auto base_value = interpreter.reg(m_base);
auto property_key = TRY(property_key_value.to_property_key(vm));
bool strict = vm.in_strict_mode();
auto reference = Reference { base_value, property_key, {}, strict };
interpreter.accumulator() = Value(TRY(reference.delete_(vm)));
auto property_key_value = interpreter.accumulator();
interpreter.accumulator() = TRY(delete_by_value(interpreter, base_value, property_key_value));
return {};
}

2
Userland/Libraries/LibJS/Bytecode/Op.h
View file

@ -835,6 +835,8 @@ public:
ThrowCompletionOr<void> execute_impl(Bytecode::Interpreter&) const;
DeprecatedString to_deprecated_string_impl(Bytecode::Executable const&) const;
Register base() const { return m_base; }
private:
Register m_base;
};

14
Userland/Libraries/LibJS/JIT/Compiler.cpp
View file

@ -1352,6 +1352,20 @@ void Compiler::compile_delete_by_id(Bytecode::Op::DeleteById const& op)
check_exception();
}
static Value cxx_delete_by_value(VM& vm, Value base_value, Value property_key_value)
{
return TRY_OR_SET_EXCEPTION(Bytecode::delete_by_value(vm.bytecode_interpreter(), base_value, property_key_value));
}
void Compiler::compile_delete_by_value(Bytecode::Op::DeleteByValue const& op)
{
load_vm_register(ARG1, op.base());
load_vm_register(ARG2, Bytecode::Register::accumulator());
native_call((void*)cxx_delete_by_value);
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

@ -115,7 +115,8 @@ private:
O(IteratorClose, iterator_close) \
O(IteratorToArray, iterator_to_array) \
O(Append, append) \
O(DeleteById, delete_by_id)
O(DeleteById, delete_by_id) \
O(DeleteByValue, delete_by_value)
# define DECLARE_COMPILE_OP(OpTitleCase, op_snake_case) \
void compile_##op_snake_case(Bytecode::Op::OpTitleCase const&);