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fix context problem

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This commit is contained in:
blueloveTH 2022-11-10 23:50:29 +08:00
parent 967c48d91f
commit 10b8afdeb2
7 changed files with 144 additions and 131 deletions
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12
src/codeobject.h
View File

@ -104,13 +104,17 @@ private:
std::vector<PyVar> s_data;
int ip = 0;
public:
PyVarDict* f_globals;
PyVarDict f_locals;
PyVar _module;
PyVarDict& f_locals;
inline PyVarDict& f_globals(){
return _module->attribs;
}
const CodeObject* code;
Frame(const CodeObject* code, PyVarDict locals, PyVarDict* globals)
: code(code), f_locals(locals), f_globals(globals) {}
Frame(const CodeObject* code, PyVar _module, PyVarDict& locals)
: code(code), _module(_module), f_locals(locals) {}
inline const ByteCode& readCode() {
return code->co_code[ip++];

2
src/compiler.h
View File

@ -328,7 +328,7 @@ public:
EXPR_TUPLE();
emitCode(OP_RETURN_VALUE);
this->codes.pop();
emitCode(OP_LOAD_CONST, getCode()->addConst(vm->PyFunction(func)));
emitCode(OP_LOAD_LAMBDA, getCode()->addConst(vm->PyFunction(func)));
}
void exprAssign() {

3
src/obj.h
View File

@ -15,6 +15,7 @@ class PyObject;
class CodeObject;
class BasePointer;
class VM;
class Frame;
typedef std::shared_ptr<PyObject> PyVar;
typedef PyVar PyVarOrNull;
@ -46,7 +47,7 @@ public:
typedef std::unordered_map<_Str, PyVar> PyVarDict;
typedef std::shared_ptr<const BasePointer> _Pointer;
typedef PyVar (*_CppFunc)(VM*, PyVarList);
typedef PyVar (*_CppFunc)(VM*, Frame*, PyVarList);
typedef std::shared_ptr<CodeObject> _Code;
struct _Func {

3
src/opcodes.h
View File

@ -36,7 +36,8 @@ OPCODE(JUMP_IF_FALSE_OR_POP)
OPCODE(LOAD_NONE)
OPCODE(LOAD_TRUE)
OPCODE(LOAD_FALSE)
OPCODE(LOAD_EVAL_FN) // load eval() callable into stack
OPCODE(LOAD_EVAL_FN) // load eval() callable into stack
OPCODE(LOAD_LAMBDA) // LOAD_CONST + set __module__ attr
OPCODE(ASSERT)
OPCODE(RAISE_ERROR)

130
src/pocketpy.h
View File

@ -6,7 +6,7 @@
#define PK_VERSION "0.2.0"
#define BIND_NUM_ARITH_OPT(name, op) \
_vm->bindMethodMulti({"int","float"}, #name, [](VM* vm, PyVarList args){ \
_vm->bindMethodMulti({"int","float"}, #name, [](VM* vm, Frame* frame, PyVarList args){ \
if(!vm->isIntOrFloat(args[0], args[1])) \
vm->typeError("unsupported operand type(s) for " #op ); \
if(args[0]->isType(vm->_tp_int) && args[1]->isType(vm->_tp_int)){ \
@ -17,7 +17,7 @@
});
#define BIND_NUM_LOGICAL_OPT(name, op, fallback) \
_vm->bindMethodMulti({"int","float"}, #name, [](VM* vm, PyVarList args){ \
_vm->bindMethodMulti({"int","float"}, #name, [](VM* vm, Frame* frame, PyVarList args){ \
if(!vm->isIntOrFloat(args[0], args[1])){ \
if constexpr(fallback) return vm->PyBool(args[0] op args[1]); \
vm->typeError("unsupported operand type(s) for " #op ); \
@ -40,7 +40,7 @@ void __initializeBuiltinFunctions(VM* _vm) {
#undef BIND_NUM_ARITH_OPT
#undef BIND_NUM_LOGICAL_OPT
_vm->bindBuiltinFunc("print", [](VM* vm, PyVarList args) {
_vm->bindBuiltinFunc("print", [](VM* vm, Frame* frame, PyVarList args) {
for (auto& arg : args){
_Str s = vm->PyStr_AS_C(vm->asStr(arg)) + " ";
vm->_stdout(s.c_str());
@ -49,62 +49,62 @@ void __initializeBuiltinFunctions(VM* _vm) {
return vm->None;
});
_vm->bindBuiltinFunc("eval", [](VM* vm, PyVarList args) {
_vm->bindBuiltinFunc("eval", [](VM* vm, Frame* frame, PyVarList args) {
vm->__checkArgSize(args, 1);
const _Str& expr = vm->PyStr_AS_C(args[0]);
_Code code = compile(vm, expr.c_str(), "<eval>", EVAL_MODE);
if(code == nullptr) return vm->None;
return vm->_exec(code); // not working in function
return vm->_exec(code, frame->_module, frame->f_locals);
});
_vm->bindBuiltinFunc("isinstance", [](VM* vm, PyVarList args) {
_vm->bindBuiltinFunc("isinstance", [](VM* vm, Frame* frame, PyVarList args) {
vm->__checkArgSize(args, 2);
return vm->PyBool(vm->isInstance(args[0], args[1]));
});
_vm->bindBuiltinFunc("repr", [](VM* vm, PyVarList args) {
_vm->bindBuiltinFunc("repr", [](VM* vm, Frame* frame, PyVarList args) {
vm->__checkArgSize(args, 1);
return vm->asRepr(args[0]);
});
_vm->bindBuiltinFunc("hash", [](VM* vm, PyVarList args) {
_vm->bindBuiltinFunc("hash", [](VM* vm, Frame* frame, PyVarList args) {
vm->__checkArgSize(args, 1);
return vm->PyInt(vm->hash(args[0]));
});
_vm->bindBuiltinFunc("chr", [](VM* vm, PyVarList args) {
_vm->bindBuiltinFunc("chr", [](VM* vm, Frame* frame, PyVarList args) {
vm->__checkArgSize(args, 1);
_Int i = vm->PyInt_AS_C(args[0]);
if (i < 0 || i > 128) vm->valueError("chr() arg not in range(128)");
return vm->PyStr(_Str(1, (char)i));
});
_vm->bindBuiltinFunc("ord", [](VM* vm, PyVarList args) {
_vm->bindBuiltinFunc("ord", [](VM* vm, Frame* frame, PyVarList args) {
vm->__checkArgSize(args, 1);
_Str s = vm->PyStr_AS_C(args[0]);
if (s.size() != 1) vm->typeError("ord() expected an ASCII character");
return vm->PyInt((_Int)s[0]);
});
_vm->bindBuiltinFunc("dir", [](VM* vm, PyVarList args) {
_vm->bindBuiltinFunc("dir", [](VM* vm, Frame* frame, PyVarList args) {
vm->__checkArgSize(args, 1);
PyVarList ret;
for (auto& [k, _] : args[0]->attribs) ret.push_back(vm->PyStr(k));
return vm->PyList(ret);
});
_vm->bindMethod("object", "__repr__", [](VM* vm, PyVarList args) {
_vm->bindMethod("object", "__repr__", [](VM* vm, Frame* frame, PyVarList args) {
PyVar _self = args[0];
_Str s = "<" + _self->getTypeName() + " object at " + std::to_string((uintptr_t)_self.get()) + ">";
return vm->PyStr(s);
});
_vm->bindMethod("type", "__new__", [](VM* vm, PyVarList args) {
_vm->bindMethod("type", "__new__", [](VM* vm, Frame* frame, PyVarList args) {
vm->__checkArgSize(args, 1);
return args[0]->attribs[__class__];
});
_vm->bindMethod("range", "__new__", [](VM* vm, PyVarList args) {
_vm->bindMethod("range", "__new__", [](VM* vm, Frame* frame, PyVarList args) {
_Range r;
switch (args.size()) {
case 1: r.stop = vm->PyInt_AS_C(args[0]); break;
@ -115,17 +115,17 @@ void __initializeBuiltinFunctions(VM* _vm) {
return vm->PyRange(r);
});
_vm->bindMethod("range", "__iter__", [](VM* vm, PyVarList args) {
_vm->bindMethod("range", "__iter__", [](VM* vm, Frame* frame, PyVarList args) {
vm->__checkType(args[0], vm->_tp_range);
auto iter = std::make_shared<RangeIterator>(vm, args[0]);
return vm->PyIter(iter);
});
_vm->bindMethod("NoneType", "__repr__", [](VM* vm, PyVarList args) {
_vm->bindMethod("NoneType", "__repr__", [](VM* vm, Frame* frame, PyVarList args) {
return vm->PyStr("None");
});
_vm->bindMethodMulti({"int", "float"}, "__truediv__", [](VM* vm, PyVarList args) {
_vm->bindMethodMulti({"int", "float"}, "__truediv__", [](VM* vm, Frame* frame, PyVarList args) {
if(!vm->isIntOrFloat(args[0], args[1]))
vm->typeError("unsupported operand type(s) for " "/" );
_Float rhs = vm->numToFloat(args[1]);
@ -133,7 +133,7 @@ void __initializeBuiltinFunctions(VM* _vm) {
return vm->PyFloat(vm->numToFloat(args[0]) / rhs);
});
_vm->bindMethodMulti({"int", "float"}, "__pow__", [](VM* vm, PyVarList args) {
_vm->bindMethodMulti({"int", "float"}, "__pow__", [](VM* vm, Frame* frame, PyVarList args) {
if(!vm->isIntOrFloat(args[0], args[1]))
vm->typeError("unsupported operand type(s) for " "**" );
if(args[0]->isType(vm->_tp_int) && args[1]->isType(vm->_tp_int)){
@ -144,7 +144,7 @@ void __initializeBuiltinFunctions(VM* _vm) {
});
/************ PyInt ************/
_vm->bindMethod("int", "__new__", [](VM* vm, PyVarList args) {
_vm->bindMethod("int", "__new__", [](VM* vm, Frame* frame, PyVarList args) {
if(args.size() == 0) return vm->PyInt(0);
vm->__checkArgSize(args, 1);
if (args[0]->isType(vm->_tp_int)) return args[0];
@ -163,7 +163,7 @@ void __initializeBuiltinFunctions(VM* _vm) {
return vm->None;
});
_vm->bindMethod("int", "__floordiv__", [](VM* vm, PyVarList args) {
_vm->bindMethod("int", "__floordiv__", [](VM* vm, Frame* frame, PyVarList args) {
if(!args[0]->isType(vm->_tp_int) || !args[1]->isType(vm->_tp_int))
vm->typeError("unsupported operand type(s) for " "//" );
_Int rhs = vm->PyInt_AS_C(args[1]);
@ -171,24 +171,24 @@ void __initializeBuiltinFunctions(VM* _vm) {
return vm->PyInt(vm->PyInt_AS_C(args[0]) / rhs);
});
_vm->bindMethod("int", "__mod__", [](VM* vm, PyVarList args) {
_vm->bindMethod("int", "__mod__", [](VM* vm, Frame* frame, PyVarList args) {
if(!args[0]->isType(vm->_tp_int) || !args[1]->isType(vm->_tp_int))
vm->typeError("unsupported operand type(s) for " "%" );
return vm->PyInt(vm->PyInt_AS_C(args[0]) % vm->PyInt_AS_C(args[1]));
});
_vm->bindMethod("int", "__neg__", [](VM* vm, PyVarList args) {
_vm->bindMethod("int", "__neg__", [](VM* vm, Frame* frame, PyVarList args) {
if(!args[0]->isType(vm->_tp_int))
vm->typeError("unsupported operand type(s) for " "-" );
return vm->PyInt(-1 * vm->PyInt_AS_C(args[0]));
});
_vm->bindMethod("int", "__repr__", [](VM* vm, PyVarList args) {
_vm->bindMethod("int", "__repr__", [](VM* vm, Frame* frame, PyVarList args) {
return vm->PyStr(std::to_string(vm->PyInt_AS_C(args[0])));
});
/************ PyFloat ************/
_vm->bindMethod("float", "__new__", [](VM* vm, PyVarList args) {
_vm->bindMethod("float", "__new__", [](VM* vm, Frame* frame, PyVarList args) {
if(args.size() == 0) return vm->PyFloat(0.0);
vm->__checkArgSize(args, 1);
if (args[0]->isType(vm->_tp_int)) return vm->PyFloat((_Float)vm->PyInt_AS_C(args[0]));
@ -209,11 +209,11 @@ void __initializeBuiltinFunctions(VM* _vm) {
return vm->None;
});
_vm->bindMethod("float", "__neg__", [](VM* vm, PyVarList args) {
_vm->bindMethod("float", "__neg__", [](VM* vm, Frame* frame, PyVarList args) {
return vm->PyFloat(-1.0 * vm->PyFloat_AS_C(args[0]));
});
_vm->bindMethod("float", "__repr__", [](VM* vm, PyVarList args) {
_vm->bindMethod("float", "__repr__", [](VM* vm, Frame* frame, PyVarList args) {
_Float val = vm->PyFloat_AS_C(args[0]);
if(std::isinf(val) || std::isnan(val)) return vm->PyStr(std::to_string(val));
_StrStream ss;
@ -224,12 +224,12 @@ void __initializeBuiltinFunctions(VM* _vm) {
});
/************ PyString ************/
_vm->bindMethod("str", "__new__", [](VM* vm, PyVarList args) {
_vm->bindMethod("str", "__new__", [](VM* vm, Frame* frame, PyVarList args) {
vm->__checkArgSize(args, 1);
return vm->asStr(args[0]);
});
_vm->bindMethod("str", "__add__", [](VM* vm, PyVarList args) {
_vm->bindMethod("str", "__add__", [](VM* vm, Frame* frame, PyVarList args) {
if(!args[0]->isType(vm->_tp_str) || !args[1]->isType(vm->_tp_str))
vm->typeError("unsupported operand type(s) for " "+" );
const _Str& lhs = vm->PyStr_AS_C(args[0]);
@ -237,39 +237,39 @@ void __initializeBuiltinFunctions(VM* _vm) {
return vm->PyStr(lhs + rhs);
});
_vm->bindMethod("str", "__len__", [](VM* vm, PyVarList args) {
_vm->bindMethod("str", "__len__", [](VM* vm, Frame* frame, PyVarList args) {
const _Str& _self = vm->PyStr_AS_C(args[0]);
return vm->PyInt(_self.u8_length());
});
_vm->bindMethod("str", "__contains__", [](VM* vm, PyVarList args) {
_vm->bindMethod("str", "__contains__", [](VM* vm, Frame* frame, PyVarList args) {
const _Str& _self = vm->PyStr_AS_C(args[0]);
const _Str& _other = vm->PyStr_AS_C(args[1]);
return vm->PyBool(_self.str().find(_other.str()) != _Str::npos);
});
_vm->bindMethod("str", "__str__", [](VM* vm, PyVarList args) {
_vm->bindMethod("str", "__str__", [](VM* vm, Frame* frame, PyVarList args) {
return args[0]; // str is immutable
});
_vm->bindMethod("str", "__iter__", [](VM* vm, PyVarList args) {
_vm->bindMethod("str", "__iter__", [](VM* vm, Frame* frame, PyVarList args) {
auto it = std::make_shared<StringIterator>(vm, args[0]);
return vm->PyIter(it);
});
_vm->bindMethod("str", "__repr__", [](VM* vm, PyVarList args) {
_vm->bindMethod("str", "__repr__", [](VM* vm, Frame* frame, PyVarList args) {
const _Str& _self = vm->PyStr_AS_C(args[0]);
// we just do a simple repr here, no escaping
return vm->PyStr("'" + _self.str() + "'");
});
_vm->bindMethod("str", "__eq__", [](VM* vm, PyVarList args) {
_vm->bindMethod("str", "__eq__", [](VM* vm, Frame* frame, PyVarList args) {
if(args[0]->isType(vm->_tp_str) && args[1]->isType(vm->_tp_str))
return vm->PyBool(vm->PyStr_AS_C(args[0]) == vm->PyStr_AS_C(args[1]));
return vm->PyBool(args[0] == args[1]); // fallback
});
_vm->bindMethod("str", "__getitem__", [](VM* vm, PyVarList args) {
_vm->bindMethod("str", "__getitem__", [](VM* vm, Frame* frame, PyVarList args) {
const _Str& _self (vm->PyStr_AS_C(args[0]));
if(args[1]->isType(vm->_tp_slice)){
@ -283,19 +283,19 @@ void __initializeBuiltinFunctions(VM* _vm) {
return vm->PyStr(_self.u8_getitem(_index));
});
_vm->bindMethod("str", "__gt__", [](VM* vm, PyVarList args) {
_vm->bindMethod("str", "__gt__", [](VM* vm, Frame* frame, PyVarList args) {
const _Str& _self (vm->PyStr_AS_C(args[0]));
const _Str& _obj (vm->PyStr_AS_C(args[1]));
return vm->PyBool(_self > _obj);
});
_vm->bindMethod("str", "__lt__", [](VM* vm, PyVarList args) {
_vm->bindMethod("str", "__lt__", [](VM* vm, Frame* frame, PyVarList args) {
const _Str& _self (vm->PyStr_AS_C(args[0]));
const _Str& _obj (vm->PyStr_AS_C(args[1]));
return vm->PyBool(_self < _obj);
});
_vm->bindMethod("str", "upper", [](VM* vm, PyVarList args) {
_vm->bindMethod("str", "upper", [](VM* vm, Frame* frame, PyVarList args) {
vm->__checkArgSize(args, 1, true);
const _Str& _self (vm->PyStr_AS_C(args[0]));
_StrStream ss;
@ -303,7 +303,7 @@ void __initializeBuiltinFunctions(VM* _vm) {
return vm->PyStr(ss);
});
_vm->bindMethod("str", "lower", [](VM* vm, PyVarList args) {
_vm->bindMethod("str", "lower", [](VM* vm, Frame* frame, PyVarList args) {
vm->__checkArgSize(args, 1, true);
const _Str& _self (vm->PyStr_AS_C(args[0]));
_StrStream ss;
@ -311,7 +311,7 @@ void __initializeBuiltinFunctions(VM* _vm) {
return vm->PyStr(ss);
});
_vm->bindMethod("str", "replace", [](VM* vm, PyVarList args) {
_vm->bindMethod("str", "replace", [](VM* vm, Frame* frame, PyVarList args) {
vm->__checkArgSize(args, 3, true);
const _Str& _self = vm->PyStr_AS_C(args[0]);
const _Str& _old = vm->PyStr_AS_C(args[1]);
@ -326,21 +326,21 @@ void __initializeBuiltinFunctions(VM* _vm) {
return vm->PyStr(_copy);
});
_vm->bindMethod("str", "startswith", [](VM* vm, PyVarList args) {
_vm->bindMethod("str", "startswith", [](VM* vm, Frame* frame, PyVarList args) {
vm->__checkArgSize(args, 2, true);
const _Str& _self = vm->PyStr_AS_C(args[0]);
const _Str& _prefix = vm->PyStr_AS_C(args[1]);
return vm->PyBool(_self.str().find(_prefix.str()) == 0);
});
_vm->bindMethod("str", "endswith", [](VM* vm, PyVarList args) {
_vm->bindMethod("str", "endswith", [](VM* vm, Frame* frame, PyVarList args) {
vm->__checkArgSize(args, 2, true);
const _Str& _self = vm->PyStr_AS_C(args[0]);
const _Str& _suffix = vm->PyStr_AS_C(args[1]);
return vm->PyBool(_self.str().rfind(_suffix.str()) == _self.str().length() - _suffix.str().length());
});
_vm->bindMethod("str", "join", [](VM* vm, PyVarList args) {
_vm->bindMethod("str", "join", [](VM* vm, Frame* frame, PyVarList args) {
vm->__checkArgSize(args, 2, true);
const _Str& _self = vm->PyStr_AS_C(args[0]);
const PyVarList& _list = vm->PyList_AS_C(args[1]);
@ -353,20 +353,20 @@ void __initializeBuiltinFunctions(VM* _vm) {
});
/************ PyList ************/
_vm->bindMethod("list", "__iter__", [](VM* vm, PyVarList args) {
_vm->bindMethod("list", "__iter__", [](VM* vm, Frame* frame, PyVarList args) {
vm->__checkType(args[0], vm->_tp_list);
auto iter = std::make_shared<VectorIterator>(vm, args[0]);
return vm->PyIter(iter);
});
_vm->bindMethod("list", "append", [](VM* vm, PyVarList args) {
_vm->bindMethod("list", "append", [](VM* vm, Frame* frame, PyVarList args) {
vm->__checkArgSize(args, 2, true);
PyVarList& _self = vm->PyList_AS_C(args[0]);
_self.push_back(args[1]);
return vm->None;
});
_vm->bindMethod("list", "insert", [](VM* vm, PyVarList args) {
_vm->bindMethod("list", "insert", [](VM* vm, Frame* frame, PyVarList args) {
vm->__checkArgSize(args, 3, true);
PyVarList& _self = vm->PyList_AS_C(args[0]);
int _index = vm->PyInt_AS_C(args[1]);
@ -375,18 +375,18 @@ void __initializeBuiltinFunctions(VM* _vm) {
return vm->None;
});
_vm->bindMethod("list", "clear", [](VM* vm, PyVarList args) {
_vm->bindMethod("list", "clear", [](VM* vm, Frame* frame, PyVarList args) {
vm->__checkArgSize(args, 1, true);
vm->PyList_AS_C(args[0]).clear();
return vm->None;
});
_vm->bindMethod("list", "copy", [](VM* vm, PyVarList args) {
_vm->bindMethod("list", "copy", [](VM* vm, Frame* frame, PyVarList args) {
vm->__checkArgSize(args, 1, true);
return vm->PyList(vm->PyList_AS_C(args[0]));
});
_vm->bindMethod("list", "pop", [](VM* vm, PyVarList args) {
_vm->bindMethod("list", "pop", [](VM* vm, Frame* frame, PyVarList args) {
vm->__checkArgSize(args, 1, true);
PyVarList& _self = vm->PyList_AS_C(args[0]);
if(_self.empty()) vm->indexError("pop from empty list");
@ -395,7 +395,7 @@ void __initializeBuiltinFunctions(VM* _vm) {
return ret;
});
_vm->bindMethod("list", "__add__", [](VM* vm, PyVarList args) {
_vm->bindMethod("list", "__add__", [](VM* vm, Frame* frame, PyVarList args) {
const PyVarList& _self = vm->PyList_AS_C(args[0]);
const PyVarList& _obj = vm->PyList_AS_C(args[1]);
PyVarList _new_list = _self;
@ -403,12 +403,12 @@ void __initializeBuiltinFunctions(VM* _vm) {
return vm->PyList(_new_list);
});
_vm->bindMethod("list", "__len__", [](VM* vm, PyVarList args) {
_vm->bindMethod("list", "__len__", [](VM* vm, Frame* frame, PyVarList args) {
const PyVarList& _self = vm->PyList_AS_C(args[0]);
return vm->PyInt(_self.size());
});
_vm->bindMethod("list", "__getitem__", [](VM* vm, PyVarList args) {
_vm->bindMethod("list", "__getitem__", [](VM* vm, Frame* frame, PyVarList args) {
const PyVarList& _self = vm->PyList_AS_C(args[0]);
if(args[1]->isType(vm->_tp_slice)){
@ -425,7 +425,7 @@ void __initializeBuiltinFunctions(VM* _vm) {
return _self[_index];
});
_vm->bindMethod("list", "__setitem__", [](VM* vm, PyVarList args) {
_vm->bindMethod("list", "__setitem__", [](VM* vm, Frame* frame, PyVarList args) {
PyVarList& _self = vm->PyList_AS_C(args[0]);
int _index = vm->PyInt_AS_C(args[1]);
_index = vm->normalizedIndex(_index, _self.size());
@ -433,7 +433,7 @@ void __initializeBuiltinFunctions(VM* _vm) {
return vm->None;
});
_vm->bindMethod("list", "__delitem__", [](VM* vm, PyVarList args) {
_vm->bindMethod("list", "__delitem__", [](VM* vm, Frame* frame, PyVarList args) {
PyVarList& _self = vm->PyList_AS_C(args[0]);
int _index = vm->PyInt_AS_C(args[1]);
_index = vm->normalizedIndex(_index, _self.size());
@ -442,24 +442,24 @@ void __initializeBuiltinFunctions(VM* _vm) {
});
/************ PyTuple ************/
_vm->bindMethod("tuple", "__new__", [](VM* vm, PyVarList args) {
_vm->bindMethod("tuple", "__new__", [](VM* vm, Frame* frame, PyVarList args) {
vm->__checkArgSize(args, 1);
PyVarList _list = vm->PyList_AS_C(vm->call(vm->builtins->attribs["list"], args));
PyVarList _list = vm->PyList_AS_C(vm->call(frame, vm->builtins->attribs["list"], args));
return vm->PyTuple(_list);
});
_vm->bindMethod("tuple", "__iter__", [](VM* vm, PyVarList args) {
_vm->bindMethod("tuple", "__iter__", [](VM* vm, Frame* frame, PyVarList args) {
vm->__checkType(args[0], vm->_tp_tuple);
auto iter = std::make_shared<VectorIterator>(vm, args[0]);
return vm->PyIter(iter);
});
_vm->bindMethod("tuple", "__len__", [](VM* vm, PyVarList args) {
_vm->bindMethod("tuple", "__len__", [](VM* vm, Frame* frame, PyVarList args) {
const PyVarList& _self = vm->PyTuple_AS_C(args[0]);
return vm->PyInt(_self.size());
});
_vm->bindMethod("tuple", "__getitem__", [](VM* vm, PyVarList args) {
_vm->bindMethod("tuple", "__getitem__", [](VM* vm, Frame* frame, PyVarList args) {
const PyVarList& _self = vm->PyTuple_AS_C(args[0]);
int _index = vm->PyInt_AS_C(args[1]);
_index = vm->normalizedIndex(_index, _self.size());
@ -467,19 +467,19 @@ void __initializeBuiltinFunctions(VM* _vm) {
});
/************ PyBool ************/
_vm->bindMethod("bool", "__repr__", [](VM* vm, PyVarList args) {
_vm->bindMethod("bool", "__repr__", [](VM* vm, Frame* frame, PyVarList args) {
bool val = vm->PyBool_AS_C(args[0]);
return vm->PyStr(val ? "True" : "False");
});
_vm->bindMethod("bool", "__eq__", [](VM* vm, PyVarList args) {
_vm->bindMethod("bool", "__eq__", [](VM* vm, Frame* frame, PyVarList args) {
return vm->PyBool(args[0] == args[1]);
});
}
void __runCodeBuiltins(VM* vm, const char* src){
_Code code = compile(vm, src, "builtins.py");
if(code != nullptr) vm->_exec(code, {}, vm->builtins);
if(code != nullptr) vm->exec(code, vm->builtins);
}
#include "builtins.h"
@ -495,7 +495,7 @@ void __runCodeBuiltins(VM* vm, const char* src){
void __addModuleTime(VM* vm){
PyVar mod = vm->newModule("time");
vm->bindFunc(mod, "time", [](VM* vm, PyVarList args) {
vm->bindFunc(mod, "time", [](VM* vm, Frame* frame, PyVarList args) {
auto now = std::chrono::high_resolution_clock::now();
return vm->PyFloat(std::chrono::duration_cast<std::chrono::microseconds>(now.time_since_epoch()).count() / 1000000.0);
});
@ -503,7 +503,7 @@ void __addModuleTime(VM* vm){
void __addModuleSys(VM* vm){
PyVar mod = vm->newModule("sys");
vm->bindFunc(mod, "getrefcount", [](VM* vm, PyVarList args) {
vm->bindFunc(mod, "getrefcount", [](VM* vm, Frame* frame, PyVarList args) {
vm->__checkArgSize(args, 1);
return vm->PyInt(args[0].use_count());
});
@ -539,7 +539,7 @@ extern "C" {
_Code code = compile(vm, source, name + _Str(".py"));
if(code != nullptr){
PyVar _m = vm->newModule(name);
vm->exec(code, {}, _m);
vm->exec(code, _m);
}
}
}

1
src/str.h
View File

@ -153,6 +153,7 @@ const _Str& __iter__ = _Str("__iter__");
const _Str& __str__ = _Str("__str__");
const _Str& __repr__ = _Str("__repr__");
const _Str& __neg__ = _Str("__neg__");
const _Str& __module__ = _Str("__module__");
const _Str& __getitem__ = _Str("__getitem__");
const _Str& __setitem__ = _Str("__setitem__");
const _Str& __delitem__ = _Str("__delitem__");

124
src/vm.h
View File

@ -25,12 +25,11 @@ typedef void(*PrintFn)(const char*);
class VM{
private:
std::stack< std::shared_ptr<Frame> > callstack;
std::stack< std::unique_ptr<Frame> > callstack;
std::vector<PyObject*> numPool;
PyVarDict _modules; // 3rd modules
PyVar runFrame(std::shared_ptr<Frame> frame){
callstack.push(frame);
PyVar runFrame(Frame* frame){
while(!frame->isEnd()){
const ByteCode& byte = frame->readCode();
//printf("%s (%d) stack_size: %d\n", OP_NAMES[byte.op], byte.arg, frame->stackSize());
@ -39,12 +38,17 @@ private:
{
case OP_NO_OP: break; // do nothing
case OP_LOAD_CONST: frame->push(frame->code->co_consts[byte.arg]); break;
case OP_LOAD_LAMBDA: {
PyVar obj = frame->code->co_consts[byte.arg];
setAttr(obj, __module__, frame->_module);
frame->push(obj);
} break;
case OP_LOAD_NAME_PTR: {
frame->push(PyPointer(frame->code->co_names[byte.arg]));
} break;
case OP_STORE_NAME_PTR: {
const auto& p = frame->code->co_names[byte.arg];
p->set(this, frame.get(), frame->popValue(this));
p->set(this, frame, frame->popValue(this));
} break;
case OP_BUILD_ATTR_PTR: {
const auto& attr = frame->code->co_names[byte.arg];
@ -59,11 +63,11 @@ private:
case OP_STORE_PTR: {
PyVar obj = frame->popValue(this);
_Pointer p = PyPointer_AS_C(frame->__pop());
p->set(this, frame.get(), obj);
p->set(this, frame, obj);
} break;
case OP_DELETE_PTR: {
_Pointer p = PyPointer_AS_C(frame->__pop());
p->del(this, frame.get());
p->del(this, frame);
} break;
case OP_BUILD_SMART_TUPLE:
{
@ -99,13 +103,14 @@ private:
case OP_LIST_APPEND: {
PyVar obj = frame->popValue(this);
PyVar list = frame->topNValue(this, -2);
fastCall(list, "append", {list, obj});
fastCall(frame, list, "append", {list, obj});
} break;
case OP_STORE_FUNCTION:
{
PyVar obj = frame->popValue(this);
const _Func& fn = PyFunction_AS_C(obj);
frame->f_globals->operator[](fn.name) = obj;
setAttr(obj, __module__, frame->_module);
frame->f_globals()[fn.name] = obj;
} break;
case OP_BUILD_CLASS:
{
@ -120,14 +125,9 @@ private:
const _Func& f = PyFunction_AS_C(fn);
setAttr(cls, f.name, fn);
}
frame->f_globals->operator[](clsName) = cls;
} break;
case OP_RETURN_VALUE:
{
PyVar ret = frame->popValue(this);
callstack.pop();
return ret;
frame->f_globals()[clsName] = cls;
} break;
case OP_RETURN_VALUE: return frame->popValue(this);
case OP_PRINT_EXPR:
{
const PyVar& expr = frame->topValue(this);
@ -140,7 +140,7 @@ private:
{
PyVar rhs = frame->popValue(this);
PyVar lhs = frame->popValue(this);
frame->push(fastCall(lhs, BIN_SPECIAL_METHODS[byte.arg], {lhs,rhs}));
frame->push(fastCall(frame, lhs, BIN_SPECIAL_METHODS[byte.arg], {lhs,rhs}));
} break;
case OP_COMPARE_OP:
{
@ -148,7 +148,7 @@ private:
PyVar lhs = frame->popValue(this);
// for __ne__ we use the negation of __eq__
int op = byte.arg == 3 ? 2 : byte.arg;
PyVar res = fastCall(lhs, CMP_SPECIAL_METHODS[op], {lhs,rhs});
PyVar res = fastCall(frame, lhs, CMP_SPECIAL_METHODS[op], {lhs,rhs});
if(op != byte.arg) res = PyBool(!PyBool_AS_C(res));
frame->push(res);
} break;
@ -162,14 +162,14 @@ private:
{
PyVar rhs = frame->popValue(this);
PyVar lhs = frame->popValue(this);
bool ret_c = PyBool_AS_C(call(rhs, __contains__, {lhs}));
bool ret_c = PyBool_AS_C(call(frame, rhs, __contains__, {lhs}));
if(byte.arg == 1) ret_c = !ret_c;
frame->push(PyBool(ret_c));
} break;
case OP_UNARY_NEGATIVE:
{
PyVar obj = frame->popValue(this);
frame->push(call(obj, __neg__, {}));
frame->push(call(frame, obj, __neg__, {}));
} break;
case OP_UNARY_NOT:
{
@ -202,9 +202,9 @@ private:
case OP_BUILD_MAP:
{
PyVarList items = frame->popNValuesReversed(this, byte.arg*2);
PyVar obj = call(builtins->attribs["dict"], {});
PyVar obj = call(frame, builtins->attribs["dict"], {});
for(int i=0; i<items.size(); i+=2){
call(obj, __setitem__, {items[i], items[i+1]});
call(frame, obj, __setitem__, {items[i], items[i+1]});
}
frame->push(obj);
} break;
@ -213,7 +213,7 @@ private:
{
PyVarList args = frame->popNValuesReversed(this, byte.arg);
PyVar callable = frame->popValue(this);
frame->push(call(callable, args));
frame->push(call(frame, callable, args));
} break;
case OP_JUMP_ABSOLUTE: frame->jumpTo(byte.arg); break;
case OP_GET_ITER:
@ -221,7 +221,7 @@ private:
PyVar obj = frame->popValue(this);
PyVarOrNull iter_fn = getAttr(obj, __iter__, false);
if(iter_fn != nullptr){
PyVar tmp = call(iter_fn, {obj});
PyVar tmp = call(frame, iter_fn, {obj});
PyIter_AS_C(tmp)->var = PyPointer_AS_C(frame->__pop());
frame->push(tmp);
}else{
@ -233,7 +233,7 @@ private:
const PyVar& iter = frame->topValue(this);
auto& it = PyIter_AS_C(iter);
if(it->hasNext()){
it->var->set(this, frame.get(), it->next());
it->var->set(this, frame, it->next());
}
else{
frame->popValue(this);
@ -276,13 +276,10 @@ private:
if(frame->code->src->mode == EVAL_MODE) {
if(frame->stackSize() != 1) systemError("stack size is not 1 in EVAL_MODE");
PyVar ret = frame->popValue(this);
callstack.pop();
return ret;
return frame->popValue(this);
}
if(frame->stackSize() != 0) systemError("stack not empty in EXEC_MODE");
callstack.pop();
return None;
}
@ -302,13 +299,13 @@ public:
PyVar asStr(const PyVar& obj){
PyVarOrNull str_fn = getAttr(obj, __str__, false);
if(str_fn != nullptr) return call(str_fn, {});
if(str_fn != nullptr) return call(nullptr, str_fn, {});
return asRepr(obj);
}
PyVar asRepr(const PyVar& obj){
if(obj->isType(_tp_type)) return PyStr("<class '" + obj->getName() + "'>");
return call(obj, __repr__, {});
return call(nullptr, obj, __repr__, {});
}
PyVar asBool(const PyVar& obj){
@ -319,18 +316,18 @@ public:
if(tp == _tp_float) return PyBool(PyFloat_AS_C(obj) != 0.0);
PyVarOrNull len_fn = getAttr(obj, "__len__", false);
if(len_fn != nullptr){
PyVar ret = call(len_fn, {});
PyVar ret = call(nullptr, len_fn, {});
return PyBool(PyInt_AS_C(ret) > 0);
}
return True;
}
PyVar fastCall(const PyVar& obj, const _Str& name, PyVarList args){
PyVar fastCall(Frame* frame, const PyVar& obj, const _Str& name, PyVarList args){
PyVar cls = obj->attribs[__class__];
while(cls != None) {
auto it = cls->attribs.find(name);
if(it != cls->attribs.end()){
return call(it->second, args);
return call(frame, it->second, args);
}
cls = cls->attribs[__base__];
}
@ -338,18 +335,18 @@ public:
return nullptr;
}
PyVar call(PyVar callable, PyVarList args){
PyVar call(Frame* frame, PyVar callable, PyVarList args){
if(callable->isType(_tp_type)){
auto it = callable->attribs.find(__new__);
PyVar obj;
if(it != callable->attribs.end()){
obj = call(it->second, args);
obj = call(frame, it->second, args);
}else{
obj = newObject(callable, (_Int)-1);
}
if(obj->isType(callable)){
PyVarOrNull init_fn = getAttr(obj, __init__, false);
if (init_fn != nullptr) call(init_fn, args);
if (init_fn != nullptr) call(frame, init_fn, args);
}
return obj;
}
@ -362,7 +359,7 @@ public:
if(callable->isType(_tp_native_function)){
auto f = std::get<_CppFunc>(callable->_native);
return f(this, args);
return f(this, frame, args);
} else if(callable->isType(_tp_function)){
_Func fn = PyFunction_AS_C(callable);
PyVarDict locals;
@ -390,19 +387,27 @@ public:
}
if(i < args.size()) typeError("too many arguments");
return _exec(fn.code, locals);
auto it_m = callable->attribs.find(__module__);
if(it_m != callable->attribs.end()){
return _exec(fn.code, it_m->second, locals);
}else{
return _exec(fn.code, frame->_module, locals);
}
}
typeError("'" + callable->getTypeName() + "' object is not callable");
return None;
}
inline PyVar call(const PyVar& obj, const _Str& func, PyVarList args){
return call(getAttr(obj, func), args);
inline PyVar call(Frame* frame, const PyVar& obj, const _Str& func, PyVarList args){
return call(frame, getAttr(obj, func), args);
}
PyVar exec(const _Code& code, const PyVarDict& locals={}, PyVar _module=nullptr){
PyVar exec(const _Code& code, PyVar _module=nullptr){
if(_module == nullptr) _module = _main;
try {
return _exec(code, locals, _module);
PyVarDict locals;
return _exec(code, _module, locals);
} catch (const std::exception& e) {
if(const _Error* _ = dynamic_cast<const _Error*>(&e)){
_stderr(e.what());
@ -414,16 +419,18 @@ public:
return None;
}
}
PyVar _exec(const _Code& code, const PyVarDict& locals={}, PyVar _module=nullptr){
PyVar _exec(const _Code& code, PyVar _module, PyVarDict& locals){
if(code == nullptr) UNREACHABLE();
if(_module == nullptr) _module = _main;
auto frame = std::make_shared<Frame>(
Frame* frame = new Frame(
code.get(),
locals,
&_module->attribs
_module,
locals // pass by reference
);
return runFrame(frame);
callstack.push(std::unique_ptr<Frame>(frame));
PyVar ret = runFrame(frame);
callstack.pop();
return ret;
}
PyVar newUserClassType(_Str name, PyVar base){
@ -647,8 +654,7 @@ private:
std::stack<_Str> _cleanErrorAndGetSnapshots(){
std::stack<_Str> snapshots;
while (!callstack.empty()){
auto frame = callstack.top();
snapshots.push(frame->errorSnapshot());
snapshots.push(callstack.top()->errorSnapshot());
callstack.pop();
}
return snapshots;
@ -703,8 +709,8 @@ public:
PyVar NamePointer::get(VM* vm, Frame* frame) const{
auto it = frame->f_locals.find(name);
if(it != frame->f_locals.end()) return it->second;
it = frame->f_globals->find(name);
if(it != frame->f_globals->end()) return it->second;
it = frame->f_globals().find(name);
if(it != frame->f_globals().end()) return it->second;
it = vm->builtins->attribs.find(name);
if(it != vm->builtins->attribs.end()) return it->second;
vm->nameError(name);
@ -719,7 +725,7 @@ void NamePointer::set(VM* vm, Frame* frame, PyVar val) const{
if(frame->f_locals.count(name) > 0){
frame->f_locals[name] = val;
}else{
frame->f_globals->operator[](name) = val;
frame->f_globals()[name] = val;
}
} break;
default: UNREACHABLE();
@ -740,8 +746,8 @@ void NamePointer::del(VM* vm, Frame* frame) const{
if(frame->f_locals.count(name) > 0){
frame->f_locals.erase(name);
}else{
if(frame->f_globals->count(name) > 0){
frame->f_globals->erase(name);
if(frame->f_globals().count(name) > 0){
frame->f_globals().erase(name);
}else{
vm->nameError(name);
}
@ -764,15 +770,15 @@ void AttrPointer::del(VM* vm, Frame* frame) const{
}
PyVar IndexPointer::get(VM* vm, Frame* frame) const{
return vm->call(obj, __getitem__, {index});
return vm->call(frame, obj, __getitem__, {index});
}
void IndexPointer::set(VM* vm, Frame* frame, PyVar val) const{
vm->call(obj, __setitem__, {index, val});
vm->call(frame, obj, __setitem__, {index, val});
}
void IndexPointer::del(VM* vm, Frame* frame) const{
vm->call(obj, __delitem__, {index});
vm->call(frame, obj, __delitem__, {index});
}
PyVar CompoundPointer::get(VM* vm, Frame* frame) const{