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This commit is contained in:
blueloveTH 2023-02-22 19:03:15 +08:00
parent ca07bd7394
commit 74ed211f7b
5 changed files with 42 additions and 41 deletions
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6
src/frame.h
View File

@ -9,7 +9,7 @@ struct Frame {
int _ip = -1;
int _next_ip = 0;
const CodeObject_ co;
const CodeObject* co;
PyVar _module;
pkpy::shared_ptr<pkpy::NameDict> _locals;
pkpy::shared_ptr<pkpy::NameDict> _closure;
@ -24,9 +24,9 @@ struct Frame {
return _closure->try_get(name);
}
Frame(const CodeObject_ co, PyVar _module,
Frame(const CodeObject_& co, const PyVar& _module,
pkpy::shared_ptr<pkpy::NameDict> _locals=nullptr, pkpy::shared_ptr<pkpy::NameDict> _closure=nullptr)
: co(co), _module(_module), _locals(_locals), _closure(_closure), id(kFrameGlobalId++) { }
: co(co.get()), _module(_module), _locals(_locals), _closure(_closure), id(kFrameGlobalId++) { }
inline const Bytecode& next_bytecode() {
_ip = _next_ip++;

2
src/memory.h
View File

@ -80,7 +80,7 @@ namespace pkpy{
return reinterpret_cast<__VAL>(counter);
}
inline bool is_tagged() const {
inline constexpr bool is_tagged() const {
if constexpr(!std::is_same_v<T, PyObject>) return false;
return (reinterpret_cast<i64>(counter) & 0b11) != 0b00;
}

13
src/namedict.h
View File

@ -36,8 +36,8 @@ namespace pkpy{
int size() const { return _size; }
//https://github.com/python/cpython/blob/main/Objects/dictobject.c#L175
#define HASH_PROBE(key, ok, i) \
//https://github.com/python/cpython/blob/main/Objects/dictobject.c#L175
#define HASH_PROBE(key, ok, i) \
int i = (key).index % _capacity; \
bool ok = false; \
while(!_a[i].empty()) { \
@ -45,7 +45,7 @@ namespace pkpy{
i = (5*i + 1) % _capacity; \
}
#define HASH_PROBE_OVERRIDE(key, ok, i) \
#define HASH_PROBE_OVERRIDE(key, ok, i) \
i = (key).index % _capacity; \
ok = false; \
while(!_a[i].empty()) { \
@ -95,6 +95,13 @@ namespace pkpy{
return &_a[i].second;
}
inline bool try_set(StrName key, PyVar&& value){
HASH_PROBE(key, ok, i);
if(!ok) return false;
_a[i].second = std::move(value);
return true;
}
inline bool contains(StrName key) const {
HASH_PROBE(key, ok, i);
return ok;

2
src/ref.h
View File

@ -20,7 +20,7 @@ struct NameRef : BaseRef {
const std::pair<StrName, NameScope> pair;
inline StrName name() const { return pair.first; }
inline NameScope scope() const { return pair.second; }
NameRef(std::pair<StrName, NameScope>& pair) : pair(pair) {}
NameRef(const std::pair<StrName, NameScope>& pair) : pair(pair) {}
PyVar get(VM* vm, Frame* frame) const;
void set(VM* vm, Frame* frame, PyVar val) const;

34
src/vm.h
View File

@ -151,30 +151,29 @@ public:
return f(this, args);
} else if(is_type(*callable, tp_function)){
const pkpy::Function& fn = PyFunction_AS_C(*callable);
auto _locals = pkpy::make_shared<pkpy::NameDict>(
auto locals = pkpy::make_shared<pkpy::NameDict>(
fn.code->ideal_locals_capacity, kLocalsLoadFactor
);
pkpy::NameDict& locals = *_locals;
int i = 0;
for(StrName name : fn.args){
if(i < args.size()){
locals.emplace(name, args[i++]);
locals->emplace(name, args[i++]);
continue;
}
TypeError("missing positional argument " + name.str().escape(true));
}
locals.insert(fn.kwargs.begin(), fn.kwargs.end());
locals->insert(fn.kwargs.begin(), fn.kwargs.end());
if(!fn.starred_arg.empty()){
pkpy::List vargs; // handle *args
while(i < args.size()) vargs.push_back(args[i++]);
locals.emplace(fn.starred_arg, PyTuple(std::move(vargs)));
locals->emplace(fn.starred_arg, PyTuple(std::move(vargs)));
}else{
for(StrName key : fn.kwargs_order){
if(i < args.size()){
locals.emplace(key, args[i++]);
locals->emplace(key, args[i++]);
}else{
break;
}
@ -187,10 +186,10 @@ public:
if(!fn.kwargs.contains(key)){
TypeError(key.escape(true) + " is an invalid keyword argument for " + fn.name + "()");
}
locals.emplace(key, kwargs[i+1]);
locals->emplace(key, kwargs[i+1]);
}
PyVar _module = fn._module != nullptr ? fn._module : top_frame()->_module;
auto _frame = _new_frame(fn.code, _module, _locals, fn._closure);
const PyVar& _module = fn._module != nullptr ? fn._module : top_frame()->_module;
auto _frame = _new_frame(fn.code, _module, locals, fn._closure);
if(fn.code->is_generator){
return PyIter(pkpy::make_shared<BaseIter, Generator>(
this, std::move(_frame)));
@ -742,13 +741,13 @@ public:
PyVar NameRef::get(VM* vm, Frame* frame) const{
PyVar* val;
val = frame->f_locals().try_get(name());
if(val) return *val;
if(val != nullptr) return *val;
val = frame->f_closure_try_get(name());
if(val) return *val;
if(val != nullptr) return *val;
val = frame->f_globals().try_get(name());
if(val) return *val;
if(val != nullptr) return *val;
val = vm->builtins->attr().try_get(name());
if(val) return *val;
if(val != nullptr) return *val;
vm->NameError(name());
return nullptr;
}
@ -757,14 +756,9 @@ void NameRef::set(VM* vm, Frame* frame, PyVar val) const{
switch(scope()) {
case NAME_LOCAL: frame->f_locals()[name()] = std::move(val); break;
case NAME_GLOBAL:
{
PyVar* existing = frame->f_locals().try_get(name());
if(existing != nullptr){
*existing = std::move(val);
}else{
if(frame->f_locals().try_set(name(), std::move(val))) return;
frame->f_globals()[name()] = std::move(val);
}
} break;
break;
default: UNREACHABLE();
}
}