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pocketpy/src/ceval.cpp

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#include "pocketpy/ceval.h"
namespace pkpy{
PyObject* VM::_run_top_frame(){
FrameId frame = top_frame();
const int base_id = frame.index;
bool need_raise = false;
// shared registers
PyObject *_0, *_1, *_2;
const PyTypeInfo* _ti;
StrName _name;
while(true){
#if PK_DEBUG_EXTRA_CHECK
if(frame.index < base_id) FATAL_ERROR();
#endif
try{
if(need_raise){ need_raise = false; _raise(); }
/**********************************************************************/
/* NOTE:
* Be aware of accidental gc!
* DO NOT leave any strong reference of PyObject* in the C stack
*/
{
#if PK_ENABLE_CEVAL_CALLBACK
#define CEVAL_STEP() byte = frame->next_bytecode(); if(_ceval_on_step) _ceval_on_step(this, frame.get(), byte)
#else
#define CEVAL_STEP() byte = frame->next_bytecode()
#endif
#define DISPATCH_OP_CALL() { frame = top_frame(); goto __NEXT_FRAME; }
__NEXT_FRAME:
Bytecode CEVAL_STEP();
// cache
const CodeObject* co = frame->co;
const auto& co_consts = co->consts;
const auto& co_blocks = co->blocks;
#if PK_ENABLE_COMPUTED_GOTO
static void* OP_LABELS[] = {
#define OPCODE(name) &&CASE_OP_##name,
#include "pocketpy/opcodes.h"
#undef OPCODE
};
#define DISPATCH() { CEVAL_STEP(); goto *OP_LABELS[byte.op];}
#define TARGET(op) CASE_OP_##op:
goto *OP_LABELS[byte.op];
#else
#define TARGET(op) case OP_##op:
#define DISPATCH() { CEVAL_STEP(); goto __NEXT_STEP;}
__NEXT_STEP:;
#if PK_DEBUG_CEVAL_STEP
_log_s_data();
#endif
switch (byte.op)
{
#endif
TARGET(NO_OP) DISPATCH();
/*****************************************/
TARGET(POP_TOP) POP(); DISPATCH();
TARGET(DUP_TOP) PUSH(TOP()); DISPATCH();
TARGET(ROT_TWO) std::swap(TOP(), SECOND()); DISPATCH();
TARGET(ROT_THREE)
_0 = TOP();
TOP() = SECOND();
SECOND() = THIRD();
THIRD() = _0;
DISPATCH();
TARGET(PRINT_EXPR)
if(TOP() != None) stdout_write(CAST(Str&, py_repr(TOP())) + "\n");
POP();
DISPATCH();
/*****************************************/
TARGET(LOAD_CONST)
heap._auto_collect();
PUSH(co_consts[byte.arg]);
DISPATCH();
TARGET(LOAD_NONE) PUSH(None); DISPATCH();
TARGET(LOAD_TRUE) PUSH(True); DISPATCH();
TARGET(LOAD_FALSE) PUSH(False); DISPATCH();
TARGET(LOAD_INTEGER) PUSH(VAR(byte.arg)); DISPATCH();
TARGET(LOAD_ELLIPSIS) PUSH(Ellipsis); DISPATCH();
TARGET(LOAD_FUNCTION) {
FuncDecl_ decl = co->func_decls[byte.arg];
PyObject* obj;
if(decl->nested){
NameDict_ captured = frame->_locals.to_namedict();
obj = VAR(Function({decl, frame->_module, captured}));
captured->set(decl->code->name, obj);
}else{
obj = VAR(Function({decl, frame->_module}));
}
PUSH(obj);
} DISPATCH();
TARGET(LOAD_NULL) PUSH(PY_NULL); DISPATCH();
/*****************************************/
TARGET(LOAD_FAST) {
heap._auto_collect();
_0 = frame->_locals[byte.arg];
if(_0 == PY_NULL) vm->UnboundLocalError(co->varnames[byte.arg]);
PUSH(_0);
} DISPATCH();
TARGET(LOAD_NAME) {
heap._auto_collect();
_name = StrName(byte.arg);
PyObject** slot = frame->_locals.try_get_name(_name);
if(slot != nullptr) {
if(*slot == PY_NULL) vm->UnboundLocalError(_name);
PUSH(*slot);
DISPATCH();
}
_0 = frame->f_closure_try_get(_name);
if(_0 != nullptr) { PUSH(_0); DISPATCH(); }
_0 = frame->f_globals().try_get(_name);
if(_0 != nullptr) { PUSH(_0); DISPATCH(); }
_0 = vm->builtins->attr().try_get(_name);
if(_0 != nullptr) { PUSH(_0); DISPATCH(); }
vm->NameError(_name);
} DISPATCH();
TARGET(LOAD_NONLOCAL) {
heap._auto_collect();
_name = StrName(byte.arg);
_0 = frame->f_closure_try_get(_name);
if(_0 != nullptr) { PUSH(_0); DISPATCH(); }
_0 = frame->f_globals().try_get(_name);
if(_0 != nullptr) { PUSH(_0); DISPATCH(); }
_0 = vm->builtins->attr().try_get(_name);
if(_0 != nullptr) { PUSH(_0); DISPATCH(); }
vm->NameError(_name);
} DISPATCH();
TARGET(LOAD_GLOBAL)
heap._auto_collect();
_name = StrName(byte.arg);
_0 = frame->f_globals().try_get(_name);
if(_0 != nullptr) { PUSH(_0); DISPATCH(); }
_0 = vm->builtins->attr().try_get(_name);
if(_0 != nullptr) { PUSH(_0); DISPATCH(); }
vm->NameError(_name);
DISPATCH();
TARGET(LOAD_ATTR)
TOP() = getattr(TOP(), StrName(byte.arg));
DISPATCH();
TARGET(LOAD_METHOD)
TOP() = get_unbound_method(TOP(), StrName(byte.arg), &_0, true, true);
PUSH(_0);
DISPATCH();
TARGET(LOAD_SUBSCR)
_1 = POPX(); // b
_0 = TOP(); // a
_ti = _inst_type_info(_0);
if(_ti->m__getitem__){
TOP() = _ti->m__getitem__(this, _0, _1);
}else{
TOP() = call_method(_0, __getitem__, _1);
}
DISPATCH();
TARGET(STORE_FAST)
frame->_locals[byte.arg] = POPX();
DISPATCH();
TARGET(STORE_NAME){
_name = StrName(byte.arg);
_0 = POPX();
if(frame->_callable != nullptr){
PyObject** slot = frame->_locals.try_get_name(_name);
if(slot == nullptr) vm->UnboundLocalError(_name);
*slot = _0;
}else{
frame->f_globals().set(_name, _0);
}
} DISPATCH();
TARGET(STORE_GLOBAL)
frame->f_globals().set(StrName(byte.arg), POPX());
DISPATCH();
TARGET(STORE_ATTR) {
_0 = TOP(); // a
_1 = SECOND(); // val
setattr(_0, StrName(byte.arg), _1);
STACK_SHRINK(2);
} DISPATCH();
TARGET(STORE_SUBSCR)
_2 = POPX(); // b
_1 = POPX(); // a
_0 = POPX(); // val
_ti = _inst_type_info(_1);
if(_ti->m__setitem__){
_ti->m__setitem__(this, _1, _2, _0);
}else{
call_method(_1, __setitem__, _2, _0);
}
DISPATCH();
TARGET(DELETE_FAST)
_0 = frame->_locals[byte.arg];
if(_0 == PY_NULL) vm->UnboundLocalError(co->varnames[byte.arg]);
frame->_locals[byte.arg] = PY_NULL;
DISPATCH();
TARGET(DELETE_NAME)
_name = StrName(byte.arg);
if(frame->_callable != nullptr){
PyObject** slot = frame->_locals.try_get_name(_name);
if(slot == nullptr) vm->UnboundLocalError(_name);
*slot = PY_NULL;
}else{
if(!frame->f_globals().contains(_name)) vm->NameError(_name);
frame->f_globals().erase(_name);
}
DISPATCH();
TARGET(DELETE_GLOBAL)
_name = StrName(byte.arg);
if(frame->f_globals().contains(_name)){
frame->f_globals().erase(_name);
}else{
NameError(_name);
}
DISPATCH();
TARGET(DELETE_ATTR)
_0 = POPX();
_name = StrName(byte.arg);
if(is_tagged(_0) || !_0->is_attr_valid()) TypeError("cannot delete attribute");
if(!_0->attr().contains(_name)) AttributeError(_0, _name);
_0->attr().erase(_name);
DISPATCH();
TARGET(DELETE_SUBSCR)
_1 = POPX();
_0 = POPX();
_ti = _inst_type_info(_0);
if(_ti->m__delitem__){
_ti->m__delitem__(this, _0, _1);
}else{
call_method(_0, __delitem__, _1);
}
DISPATCH();
/*****************************************/
TARGET(BUILD_LONG) {
PK_LOCAL_STATIC const StrName m_long("long");
_0 = builtins->attr().try_get(m_long);
if(_0 == nullptr) AttributeError(builtins, m_long);
TOP() = call(_0, TOP());
} DISPATCH();
TARGET(BUILD_BYTES) {
const Str& s = CAST(Str&, TOP());
std::vector<char> buffer(s.size);
memcpy(buffer.data(), s.data, s.size);
TOP() = VAR(Bytes(std::move(buffer)));
} DISPATCH();
TARGET(BUILD_TUPLE)
_0 = VAR(STACK_VIEW(byte.arg).to_tuple());
STACK_SHRINK(byte.arg);
PUSH(_0);
DISPATCH();
TARGET(BUILD_LIST)
_0 = VAR(STACK_VIEW(byte.arg).to_list());
STACK_SHRINK(byte.arg);
PUSH(_0);
DISPATCH();
TARGET(BUILD_DICT)
if(byte.arg == 0){
PUSH(VAR(Dict(this)));
DISPATCH();
}
_0 = VAR(STACK_VIEW(byte.arg).to_list());
_0 = call(_t(tp_dict), _0);
STACK_SHRINK(byte.arg);
PUSH(_0);
DISPATCH();
TARGET(BUILD_SET)
_0 = VAR(STACK_VIEW(byte.arg).to_list());
_0 = call(builtins->attr(pk_id_set), _0);
STACK_SHRINK(byte.arg);
PUSH(_0);
DISPATCH();
TARGET(BUILD_SLICE)
_2 = POPX(); // step
_1 = POPX(); // stop
_0 = POPX(); // start
PUSH(VAR(Slice(_0, _1, _2)));
DISPATCH();
TARGET(BUILD_STRING) {
std::stringstream ss;
ArgsView view = STACK_VIEW(byte.arg);
for(PyObject* obj : view) ss << CAST(Str&, py_str(obj));
STACK_SHRINK(byte.arg);
PUSH(VAR(ss.str()));
} DISPATCH();
/*****************************************/
TARGET(BUILD_TUPLE_UNPACK) {
auto _lock = heap.gc_scope_lock();
List list;
_unpack_as_list(STACK_VIEW(byte.arg), list);
STACK_SHRINK(byte.arg);
_0 = VAR(Tuple(std::move(list)));
PUSH(_0);
} DISPATCH();
TARGET(BUILD_LIST_UNPACK) {
auto _lock = heap.gc_scope_lock();
List list;
_unpack_as_list(STACK_VIEW(byte.arg), list);
STACK_SHRINK(byte.arg);
_0 = VAR(std::move(list));
PUSH(_0);
} DISPATCH();
TARGET(BUILD_DICT_UNPACK) {
auto _lock = heap.gc_scope_lock();
Dict dict(this);
_unpack_as_dict(STACK_VIEW(byte.arg), dict);
STACK_SHRINK(byte.arg);
_0 = VAR(std::move(dict));
PUSH(_0);
} DISPATCH();
TARGET(BUILD_SET_UNPACK) {
auto _lock = heap.gc_scope_lock();
List list;
_unpack_as_list(STACK_VIEW(byte.arg), list);
STACK_SHRINK(byte.arg);
_0 = VAR(std::move(list));
_0 = call(builtins->attr(pk_id_set), _0);
PUSH(_0);
} DISPATCH();
/*****************************************/
#define PREDICT_INT_OP(op) \
if(is_both_int(TOP(), SECOND())){ \
_1 = POPX(); \
_0 = TOP(); \
TOP() = VAR(_CAST(i64, _0) op _CAST(i64, _1)); \
DISPATCH(); \
}
#define BINARY_OP_SPECIAL(func) \
_1 = POPX(); \
_0 = TOP(); \
_ti = _inst_type_info(_0); \
if(_ti->m##func){ \
TOP() = VAR(_ti->m##func(this, _0, _1)); \
}else{ \
PyObject* self; \
_2 = get_unbound_method(_0, func, &self, false); \
if(_2 != nullptr) TOP() = call_method(self, _2, _1); \
else TOP() = NotImplemented; \
}
#define BINARY_OP_RSPECIAL(op, func) \
if(TOP() == NotImplemented){ \
PyObject* self; \
_2 = get_unbound_method(_1, func, &self, false); \
if(_2 != nullptr) TOP() = call_method(self, _2, _0); \
else BinaryOptError(op); \
if(TOP() == NotImplemented) BinaryOptError(op); \
}
TARGET(BINARY_TRUEDIV)
BINARY_OP_SPECIAL(__truediv__);
if(TOP() == NotImplemented) BinaryOptError("/");
DISPATCH();
TARGET(BINARY_POW)
BINARY_OP_SPECIAL(__pow__);
if(TOP() == NotImplemented) BinaryOptError("**");
DISPATCH();
TARGET(BINARY_ADD)
PREDICT_INT_OP(+);
BINARY_OP_SPECIAL(__add__);
BINARY_OP_RSPECIAL("+", __radd__);
DISPATCH()
TARGET(BINARY_SUB)
PREDICT_INT_OP(-);
BINARY_OP_SPECIAL(__sub__);
BINARY_OP_RSPECIAL("-", __rsub__);
DISPATCH()
TARGET(BINARY_MUL)
BINARY_OP_SPECIAL(__mul__);
BINARY_OP_RSPECIAL("*", __rmul__);
DISPATCH()
TARGET(BINARY_FLOORDIV)
PREDICT_INT_OP(/);
BINARY_OP_SPECIAL(__floordiv__);
if(TOP() == NotImplemented) BinaryOptError("//");
DISPATCH()
TARGET(BINARY_MOD)
PREDICT_INT_OP(%);
BINARY_OP_SPECIAL(__mod__);
if(TOP() == NotImplemented) BinaryOptError("%");
DISPATCH()
TARGET(COMPARE_LT)
BINARY_OP_SPECIAL(__lt__);
BINARY_OP_RSPECIAL("<", __gt__);
DISPATCH()
TARGET(COMPARE_LE)
BINARY_OP_SPECIAL(__le__);
BINARY_OP_RSPECIAL("<=", __ge__);
DISPATCH()
TARGET(COMPARE_EQ)
_1 = POPX();
_0 = TOP();
TOP() = VAR(py_equals(_0, _1));
DISPATCH()
TARGET(COMPARE_NE)
_1 = POPX();
_0 = TOP();
TOP() = VAR(!py_equals(_0, _1));
DISPATCH()
TARGET(COMPARE_GT)
BINARY_OP_SPECIAL(__gt__);
BINARY_OP_RSPECIAL(">", __lt__);
DISPATCH()
TARGET(COMPARE_GE)
BINARY_OP_SPECIAL(__ge__);
BINARY_OP_RSPECIAL(">=", __le__);
DISPATCH()
TARGET(BITWISE_LSHIFT)
PREDICT_INT_OP(<<);
BINARY_OP_SPECIAL(__lshift__);
if(TOP() == NotImplemented) BinaryOptError("<<");
DISPATCH()
TARGET(BITWISE_RSHIFT)
PREDICT_INT_OP(>>);
BINARY_OP_SPECIAL(__rshift__);
if(TOP() == NotImplemented) BinaryOptError(">>");
DISPATCH()
TARGET(BITWISE_AND)
PREDICT_INT_OP(&);
BINARY_OP_SPECIAL(__and__);
if(TOP() == NotImplemented) BinaryOptError("&");
DISPATCH()
TARGET(BITWISE_OR)
PREDICT_INT_OP(|);
BINARY_OP_SPECIAL(__or__);
if(TOP() == NotImplemented) BinaryOptError("|");
DISPATCH()
TARGET(BITWISE_XOR)
PREDICT_INT_OP(^);
BINARY_OP_SPECIAL(__xor__);
if(TOP() == NotImplemented) BinaryOptError("^");
DISPATCH()
TARGET(BINARY_MATMUL)
BINARY_OP_SPECIAL(__matmul__);
if(TOP() == NotImplemented) BinaryOptError("@");
DISPATCH();
#undef BINARY_OP_SPECIAL
#undef PREDICT_INT_OP
TARGET(IS_OP)
_1 = POPX(); // rhs
_0 = TOP(); // lhs
TOP() = VAR(static_cast<bool>((_0==_1) ^ byte.arg));
DISPATCH();
TARGET(CONTAINS_OP)
// a in b -> b __contains__ a
_ti = _inst_type_info(TOP());
if(_ti->m__contains__){
_0 = VAR(_ti->m__contains__(this, TOP(), SECOND()));
}else{
_0 = call_method(TOP(), __contains__, SECOND());
}
POP();
TOP() = VAR(static_cast<bool>((int)CAST(bool, _0) ^ byte.arg));
DISPATCH();
/*****************************************/
TARGET(JUMP_ABSOLUTE)
frame->jump_abs(byte.arg);
DISPATCH();
TARGET(POP_JUMP_IF_FALSE)
if(!py_bool(POPX())) frame->jump_abs(byte.arg);
DISPATCH();
TARGET(JUMP_IF_TRUE_OR_POP)
if(py_bool(TOP()) == true) frame->jump_abs(byte.arg);
else POP();
DISPATCH();
TARGET(JUMP_IF_FALSE_OR_POP)
if(py_bool(TOP()) == false) frame->jump_abs(byte.arg);
else POP();
DISPATCH();
TARGET(SHORTCUT_IF_FALSE_OR_POP)
if(py_bool(TOP()) == false){ // [b, False]
STACK_SHRINK(2); // []
PUSH(vm->False); // [False]
frame->jump_abs(byte.arg);
} else POP(); // [b]
DISPATCH();
TARGET(LOOP_CONTINUE)
frame->jump_abs(co_blocks[byte.arg].start);
DISPATCH();
TARGET(LOOP_BREAK)
frame->jump_abs_break(co_blocks[byte.arg].get_break_end());
DISPATCH();
TARGET(GOTO) {
_name = StrName(byte.arg);
int index = co->labels.try_get(_name);
if(index < 0) _error("KeyError", fmt("label ", _name.escape(), " not found"));
frame->jump_abs_break(index);
} DISPATCH();
/*****************************************/
TARGET(EVAL)
_0 = builtins->attr(pk_id_eval);
TOP() = call(_0, TOP());
DISPATCH();
TARGET(REPR)
TOP() = py_repr(TOP());
DISPATCH();
TARGET(CALL)
_0 = vectorcall(
byte.arg & 0xFFFF, // ARGC
(byte.arg>>16) & 0xFFFF, // KWARGC
true
);
if(_0 == PY_OP_CALL) DISPATCH_OP_CALL();
PUSH(_0);
DISPATCH();
TARGET(CALL_TP)
// [callable, <self>, args: tuple, kwargs: dict | NULL]
if(byte.arg){
_2 = POPX();
_1 = POPX();
for(PyObject* obj: _CAST(Tuple&, _1)) PUSH(obj);
_CAST(Dict&, _2).apply([this](PyObject* k, PyObject* v){
PUSH(VAR(StrName(CAST(Str&, k)).index));
PUSH(v);
});
_0 = vectorcall(
_CAST(Tuple&, _1).size(), // ARGC
_CAST(Dict&, _2).size(), // KWARGC
true
);
}else{
// no **kwargs
_1 = POPX();
for(PyObject* obj: _CAST(Tuple&, _1)) PUSH(obj);
_0 = vectorcall(
_CAST(Tuple&, _1).size(), // ARGC
0, // KWARGC
true
);
}
if(_0 == PY_OP_CALL) DISPATCH_OP_CALL();
PUSH(_0);
DISPATCH();
TARGET(RETURN_VALUE)
_0 = POPX();
_pop_frame();
if(frame.index == base_id){ // [ frameBase<- ]
return _0;
}else{
frame = top_frame();
PUSH(_0);
goto __NEXT_FRAME;
}
TARGET(YIELD_VALUE)
return PY_OP_YIELD;
/*****************************************/
TARGET(LIST_APPEND)
_0 = POPX();
CAST(List&, SECOND()).push_back(_0);
DISPATCH();
TARGET(DICT_ADD) {
_0 = POPX();
Tuple& t = CAST(Tuple&, _0);
call_method(SECOND(), __setitem__, t[0], t[1]);
} DISPATCH();
TARGET(SET_ADD)
_0 = POPX();
call_method(SECOND(), pk_id_add, _0);
DISPATCH();
/*****************************************/
TARGET(UNARY_NEGATIVE)
TOP() = py_negate(TOP());
DISPATCH();
TARGET(UNARY_NOT)
TOP() = VAR(!py_bool(TOP()));
DISPATCH();
TARGET(UNARY_STAR)
TOP() = VAR(StarWrapper(byte.arg, TOP()));
DISPATCH();
TARGET(UNARY_INVERT)
_ti = _inst_type_info(TOP());
if(_ti->m__invert__) _0 = _ti->m__invert__(this, TOP());
else _0 = call_method(TOP(), __invert__);
TOP() = _0;
DISPATCH();
/*****************************************/
TARGET(GET_ITER)
TOP() = py_iter(TOP());
DISPATCH();
TARGET(FOR_ITER)
_0 = py_next(TOP());
if(_0 != StopIteration){
PUSH(_0);
}else{
frame->jump_abs_break(co_blocks[byte.block].end);
}
DISPATCH();
/*****************************************/
TARGET(IMPORT_PATH)
_0 = co_consts[byte.arg];
PUSH(py_import(CAST(Str&, _0)));
DISPATCH();
TARGET(POP_IMPORT_STAR) {
_0 = POPX(); // pop the module
_1 = _0->attr().try_get(__all__);
if(_1 != nullptr){
for(PyObject* key: CAST(List&, _1)){
_name = StrName::get(CAST(Str&, key).sv());
PyObject* value = _0->attr().try_get(_name);
if(value == nullptr){
ImportError(fmt("cannot import name ", _name.escape()));
}else{
frame->f_globals().set(_name, value);
}
}
}else{
for(auto& [name, value]: _0->attr().items()){
std::string_view s = name.sv();
if(s.empty() || s[0] == '_') continue;
frame->f_globals().set(name, value);
}
}
frame->f_globals()._try_perfect_rehash();
} DISPATCH();
/*****************************************/
TARGET(UNPACK_SEQUENCE){
auto _lock = heap.gc_scope_lock(); // lock the gc via RAII!!
_0 = py_iter(POPX());
for(int i=0; i<byte.arg; i++){
_1 = py_next(_0);
if(_1 == StopIteration) ValueError("not enough values to unpack");
PUSH(_1);
}
if(py_next(_0) != StopIteration) ValueError("too many values to unpack");
} DISPATCH();
TARGET(UNPACK_EX) {
auto _lock = heap.gc_scope_lock(); // lock the gc via RAII!!
_0 = py_iter(POPX());
for(int i=0; i<byte.arg; i++){
_1 = py_next(_0);
if(_1 == StopIteration) ValueError("not enough values to unpack");
PUSH(_1);
}
List extras;
while(true){
_1 = py_next(_0);
if(_1 == StopIteration) break;
extras.push_back(_1);
}
PUSH(VAR(extras));
} DISPATCH();
/*****************************************/
TARGET(BEGIN_CLASS)
_name = StrName(byte.arg);
_0 = POPX(); // super
if(_0 == None) _0 = _t(tp_object);
check_non_tagged_type(_0, tp_type);
_1 = new_type_object(frame->_module, _name, PK_OBJ_GET(Type, _0));
PUSH(_1);
DISPATCH();
TARGET(END_CLASS)
_0 = POPX();
_0->attr()._try_perfect_rehash();
DISPATCH();
TARGET(STORE_CLASS_ATTR){
_name = StrName(byte.arg);
_0 = POPX();
if(is_non_tagged_type(_0, tp_function)){
_0->attr().set(__class__, TOP());
}
TOP()->attr().set(_name, _0);
} DISPATCH();
/*****************************************/
TARGET(WITH_ENTER)
call_method(POPX(), __enter__);
DISPATCH();
TARGET(WITH_EXIT)
call_method(POPX(), __exit__);
DISPATCH();
/*****************************************/
TARGET(ASSERT) {
_0 = TOP();
Str msg;
if(is_type(_0, tp_tuple)){
auto& t = CAST(Tuple&, _0);
if(t.size() != 2) ValueError("assert tuple must have 2 elements");
_0 = t[0];
msg = CAST(Str&, py_str(t[1]));
}
bool ok = py_bool(_0);
POP();
if(!ok) _error("AssertionError", msg);
} DISPATCH();
TARGET(EXCEPTION_MATCH) {
const auto& e = CAST(Exception&, TOP());
_name = StrName(byte.arg);
PUSH(VAR(e.match_type(_name)));
} DISPATCH();
TARGET(RAISE) {
_0 = POPX();
Str msg = _0 == None ? "" : CAST(Str, py_str(_0));
_error(StrName(byte.arg), msg);
} DISPATCH();
TARGET(RE_RAISE) _raise(true); DISPATCH();
TARGET(POP_EXCEPTION) _last_exception = POPX(); DISPATCH();
/*****************************************/
TARGET(FORMAT_STRING) {
_0 = POPX();
const Str& spec = CAST(Str&, co_consts[byte.arg]);
PUSH(format(spec, _0));
} DISPATCH();
/*****************************************/
TARGET(INC_FAST){
PyObject** p = &frame->_locals[byte.arg];
if(*p == PY_NULL) vm->NameError(co->varnames[byte.arg]);
*p = VAR(CAST(i64, *p) + 1);
} DISPATCH();
TARGET(DEC_FAST){
PyObject** p = &frame->_locals[byte.arg];
if(*p == PY_NULL) vm->NameError(co->varnames[byte.arg]);
*p = VAR(CAST(i64, *p) - 1);
} DISPATCH();
TARGET(INC_GLOBAL){
_name = StrName(byte.arg);
PyObject** p = frame->f_globals().try_get_2(_name);
if(p == nullptr) vm->NameError(_name);
*p = VAR(CAST(i64, *p) + 1);
} DISPATCH();
TARGET(DEC_GLOBAL){
_name = StrName(byte.arg);
PyObject** p = frame->f_globals().try_get_2(_name);
if(p == nullptr) vm->NameError(_name);
*p = VAR(CAST(i64, *p) - 1);
} DISPATCH();
#if !PK_ENABLE_COMPUTED_GOTO
#if PK_DEBUG_EXTRA_CHECK
default: throw std::runtime_error(fmt(OP_NAMES[byte.op], " is not implemented"));
#else
default: UNREACHABLE();
#endif
}
#endif
}
#undef DISPATCH
#undef TARGET
#undef DISPATCH_OP_CALL
#undef CEVAL_STEP
/**********************************************************************/
UNREACHABLE();
}catch(HandledException& e){
PK_UNUSED(e);
continue;
}catch(UnhandledException& e){
PK_UNUSED(e);
PyObject* obj = POPX();
Exception& _e = CAST(Exception&, obj);
int actual_ip = frame->_ip;
if(_e._ip_on_error >= 0 && _e._code_on_error == (void*)frame->co) actual_ip = _e._ip_on_error;
int current_line = frame->co->lines[actual_ip]; // current line
auto current_f_name = frame->co->name.sv(); // current function name
if(frame->_callable == nullptr) current_f_name = ""; // not in a function
_e.st_push(frame->co->src->snapshot(current_line, nullptr, current_f_name));
_pop_frame();
if(callstack.empty()){
#if PK_DEBUG_FULL_EXCEPTION
std::cerr << _e.summary() << std::endl;
#endif
throw _e;
}
frame = top_frame();
PUSH(obj);
if(frame.index < base_id) throw ToBeRaisedException();
need_raise = true;
}catch(ToBeRaisedException& e){
PK_UNUSED(e);
need_raise = true;
}
}
}
#undef TOP
#undef SECOND
#undef THIRD
#undef PEEK
#undef STACK_SHRINK
#undef PUSH
#undef POP
#undef POPX
#undef STACK_VIEW
#undef DISPATCH
#undef TARGET
#undef DISPATCH_OP_CALL
} // namespace pkpy
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