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pocketpy/src/pocketpy.h
blueloveTH 4201a811a2 up
2022-12-18 00:04:17 +08:00

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#pragma once
#include "vm.h"
#include "compiler.h"
#include "repl.h"
#define BIND_NUM_ARITH_OPT(name, op) \
_vm->bindMethodMulti({"int","float"}, #name, [](VM* vm, const pkpy::ArgList& args){ \
if(!vm->isIntOrFloat(args[0], args[1])) \
vm->typeError("unsupported operand type(s) for " #op ); \
if(args._index(0)->isType(vm->_tp_int) && args._index(1)->isType(vm->_tp_int)){ \
return vm->PyInt(vm->PyInt_AS_C(args._index(0)) op vm->PyInt_AS_C(args._index(1))); \
}else{ \
return vm->PyFloat(vm->numToFloat(args._index(0)) op vm->numToFloat(args._index(1))); \
} \
});
#define BIND_NUM_LOGICAL_OPT(name, op, is_eq) \
_vm->bindMethodMulti({"int","float"}, #name, [](VM* vm, const pkpy::ArgList& args){ \
if(!vm->isIntOrFloat(args[0], args[1])){ \
if constexpr(is_eq) return vm->PyBool(args[0] == args[1]); \
vm->typeError("unsupported operand type(s) for " #op ); \
} \
return vm->PyBool(vm->numToFloat(args._index(0)) op vm->numToFloat(args._index(1))); \
});
void __initializeBuiltinFunctions(VM* _vm) {
BIND_NUM_ARITH_OPT(__add__, +)
BIND_NUM_ARITH_OPT(__sub__, -)
BIND_NUM_ARITH_OPT(__mul__, *)
BIND_NUM_LOGICAL_OPT(__lt__, <, false)
BIND_NUM_LOGICAL_OPT(__le__, <=, false)
BIND_NUM_LOGICAL_OPT(__gt__, >, false)
BIND_NUM_LOGICAL_OPT(__ge__, >=, false)
BIND_NUM_LOGICAL_OPT(__eq__, ==, true)
#undef BIND_NUM_ARITH_OPT
#undef BIND_NUM_LOGICAL_OPT
_vm->bindBuiltinFunc("__sys_stdout_write", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 1);
(*vm->_stdout) << vm->PyStr_AS_C(args[0]);
return vm->None;
});
_vm->bindBuiltinFunc("super", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 0);
auto it = vm->topFrame()->f_locals.find(m_self);
if(it == vm->topFrame()->f_locals.end()) vm->typeError("super() can only be called in a class method");
return vm->newObject(vm->_tp_super, it->second);
});
_vm->bindBuiltinFunc("eval", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 1);
const _Str& expr = vm->PyStr_AS_C(args[0]);
_Code code = compile(vm, expr.c_str(), "<eval>", EVAL_MODE, false);
return vm->_exec(code, vm->topFrame()->_module, vm->topFrame()->copy_f_locals());
});
_vm->bindBuiltinFunc("isinstance", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 2);
return vm->PyBool(vm->isInstance(args[0], args[1]));
});
_vm->bindBuiltinFunc("repr", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 1);
return vm->asRepr(args[0]);
});
_vm->bindBuiltinFunc("hash", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 1);
return vm->PyInt(vm->hash(args[0]));
});
_vm->bindBuiltinFunc("chr", [](VM* vm, const pkpy::ArgList& 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(std::string(1, (char)i));
});
_vm->bindBuiltinFunc("ord", [](VM* vm, const pkpy::ArgList& 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("globals", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 0);
const auto& d = vm->topFrame()->f_globals();
PyVar obj = vm->call(vm->builtins->attribs["dict"]);
for (const auto& [k, v] : d) {
vm->call(obj, __setitem__, pkpy::twoArgs(vm->PyStr(k), v));
}
return obj;
});
_vm->bindBuiltinFunc("locals", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 0);
const auto& d = vm->topFrame()->f_locals;
PyVar obj = vm->call(vm->builtins->attribs["dict"]);
for (const auto& [k, v] : d) {
vm->call(obj, __setitem__, pkpy::twoArgs(vm->PyStr(k), v));
}
return obj;
});
_vm->bindBuiltinFunc("dir", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 1);
std::vector<_Str> names;
for (auto& [k, _] : args[0]->attribs) names.push_back(k);
for (auto& [k, _] : args[0]->_type->attribs) {
if (k.find("__") == 0) continue;
if (std::find(names.begin(), names.end(), k) == names.end()) names.push_back(k);
}
PyVarList ret;
for (const auto& name : names) ret.push_back(vm->PyStr(name));
std::sort(ret.begin(), ret.end(), [vm](const PyVar& a, const PyVar& b) {
return vm->PyStr_AS_C(a) < vm->PyStr_AS_C(b);
});
return vm->PyList(ret);
});
_vm->bindMethod("object", "__repr__", [](VM* vm, const pkpy::ArgList& args) {
PyVar _self = args[0];
_Str s = "<" + UNION_TP_NAME(_self) + " object at " + std::to_string((uintptr_t)_self.get()) + ">";
return vm->PyStr(s);
});
_vm->bindMethod("type", "__new__", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 1);
return args[0]->_type;
});
_vm->bindMethod("range", "__new__", [](VM* vm, const pkpy::ArgList& args) {
_Range r;
switch (args.size()) {
case 1: r.stop = vm->PyInt_AS_C(args[0]); break;
case 2: r.start = vm->PyInt_AS_C(args[0]); r.stop = vm->PyInt_AS_C(args[1]); break;
case 3: r.start = vm->PyInt_AS_C(args[0]); r.stop = vm->PyInt_AS_C(args[1]); r.step = vm->PyInt_AS_C(args[2]); break;
default: vm->typeError("expected 1-3 arguments, but got " + std::to_string(args.size()));
}
return vm->PyRange(r);
});
_vm->bindMethod("range", "__iter__", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkType(args[0], vm->_tp_range);
return vm->PyIter(
pkpy::make_shared<BaseIterator, RangeIterator>(vm, args[0])
);
});
_vm->bindMethod("NoneType", "__repr__", [](VM* vm, const pkpy::ArgList& args) {
return vm->PyStr("None");
});
_vm->bindMethod("NoneType", "__json__", [](VM* vm, const pkpy::ArgList& args) {
return vm->PyStr("null");
});
_vm->bindMethod("NoneType", "__eq__", [](VM* vm, const pkpy::ArgList& args) {
return vm->PyBool(args[0] == args[1]);
});
_vm->bindMethodMulti({"int", "float"}, "__truediv__", [](VM* vm, const pkpy::ArgList& args) {
if(!vm->isIntOrFloat(args[0], args[1]))
vm->typeError("unsupported operand type(s) for " "/" );
_Float rhs = vm->numToFloat(args[1]);
if (rhs == 0) vm->zeroDivisionError();
return vm->PyFloat(vm->numToFloat(args[0]) / rhs);
});
_vm->bindMethodMulti({"int", "float"}, "__pow__", [](VM* vm, const pkpy::ArgList& 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)){
return vm->PyInt((_Int)round(pow(vm->PyInt_AS_C(args[0]), vm->PyInt_AS_C(args[1]))));
}else{
return vm->PyFloat((_Float)pow(vm->numToFloat(args[0]), vm->numToFloat(args[1])));
}
});
/************ PyInt ************/
_vm->bindMethod("int", "__new__", [](VM* vm, const pkpy::ArgList& args) {
if(args.size() == 0) return vm->PyInt(0);
vm->__checkArgSize(args, 1);
if (args[0]->isType(vm->_tp_int)) return args[0];
if (args[0]->isType(vm->_tp_float)) return vm->PyInt((_Int)vm->PyFloat_AS_C(args[0]));
if (args[0]->isType(vm->_tp_bool)) return vm->PyInt(vm->PyBool_AS_C(args[0]) ? 1 : 0);
if (args[0]->isType(vm->_tp_str)) {
const _Str& s = vm->PyStr_AS_C(args[0]);
try{
size_t parsed = 0;
_Int val = std::stoll(s, &parsed, 10);
if(parsed != s.size()) throw std::invalid_argument("");
return vm->PyInt(val);
}catch(std::invalid_argument&){
vm->valueError("invalid literal for int(): '" + s + "'");
}
}
vm->typeError("int() argument must be a int, float, bool or str");
return vm->None;
});
_vm->bindMethod("int", "__floordiv__", [](VM* vm, const pkpy::ArgList& 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._index(1));
if(rhs == 0) vm->zeroDivisionError();
return vm->PyInt(vm->PyInt_AS_C(args._index(0)) / rhs);
});
_vm->bindMethod("int", "__mod__", [](VM* vm, const pkpy::ArgList& 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._index(1));
if(rhs == 0) vm->zeroDivisionError();
return vm->PyInt(vm->PyInt_AS_C(args._index(0)) % rhs);
});
_vm->bindMethod("int", "__repr__", [](VM* vm, const pkpy::ArgList& args) {
return vm->PyStr(std::to_string(vm->PyInt_AS_C(args[0])));
});
_vm->bindMethod("int", "__json__", [](VM* vm, const pkpy::ArgList& args) {
return vm->PyStr(std::to_string((int)vm->PyInt_AS_C(args[0])));
});
#define __INT_BITWISE_OP(name,op) \
_vm->bindMethod("int", #name, [](VM* vm, const pkpy::ArgList& args) { \
if(!args[0]->isType(vm->_tp_int) || !args[1]->isType(vm->_tp_int)) \
vm->typeError("unsupported operand type(s) for " #op ); \
return vm->PyInt(vm->PyInt_AS_C(args._index(0)) op vm->PyInt_AS_C(args._index(1))); \
});
__INT_BITWISE_OP(__lshift__, <<)
__INT_BITWISE_OP(__rshift__, >>)
__INT_BITWISE_OP(__and__, &)
__INT_BITWISE_OP(__or__, |)
__INT_BITWISE_OP(__xor__, ^)
#undef __INT_BITWISE_OP
/************ PyFloat ************/
_vm->bindMethod("float", "__new__", [](VM* vm, const pkpy::ArgList& 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]));
if (args[0]->isType(vm->_tp_float)) return args[0];
if (args[0]->isType(vm->_tp_bool)) return vm->PyFloat(vm->PyBool_AS_C(args[0]) ? 1.0 : 0.0);
if (args[0]->isType(vm->_tp_str)) {
const _Str& s = vm->PyStr_AS_C(args[0]);
if(s == "inf") return vm->PyFloat(INFINITY);
if(s == "-inf") return vm->PyFloat(-INFINITY);
try{
_Float val = std::stod(s);
return vm->PyFloat(val);
}catch(std::invalid_argument&){
vm->valueError("invalid literal for float(): '" + s + "'");
}
}
vm->typeError("float() argument must be a int, float, bool or str");
return vm->None;
});
_vm->bindMethod("float", "__repr__", [](VM* vm, const pkpy::ArgList& 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;
ss << std::setprecision(std::numeric_limits<_Float>::max_digits10-1) << val;
std::string s = ss.str();
if(std::all_of(s.begin()+1, s.end(), isdigit)) s += ".0";
return vm->PyStr(s);
});
_vm->bindMethod("float", "__json__", [](VM* vm, const pkpy::ArgList& args) {
_Float val = vm->PyFloat_AS_C(args[0]);
if(std::isinf(val) || std::isnan(val)){
vm->valueError("cannot jsonify 'nan' or 'inf'");
}
return vm->PyStr(std::to_string(val));
});
/************ PyString ************/
_vm->bindMethod("str", "__new__", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 1);
return vm->asStr(args[0]);
});
_vm->bindMethod("str", "__add__", [](VM* vm, const pkpy::ArgList& 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]);
const _Str& rhs = vm->PyStr_AS_C(args[1]);
return vm->PyStr(lhs + rhs);
});
_vm->bindMethod("str", "__len__", [](VM* vm, const pkpy::ArgList& args) {
const _Str& _self = vm->PyStr_AS_C(args[0]);
return vm->PyInt(_self.u8_length());
});
_vm->bindMethod("str", "__contains__", [](VM* vm, const pkpy::ArgList& args) {
const _Str& _self = vm->PyStr_AS_C(args[0]);
const _Str& _other = vm->PyStr_AS_C(args[1]);
return vm->PyBool(_self.find(_other) != _Str::npos);
});
_vm->bindMethod("str", "__str__", [](VM* vm, const pkpy::ArgList& args) {
return args[0]; // str is immutable
});
_vm->bindMethod("str", "__iter__", [](VM* vm, const pkpy::ArgList& args) {
return vm->PyIter(
pkpy::make_shared<BaseIterator, StringIterator>(vm, args[0])
);
});
_vm->bindMethod("str", "__repr__", [](VM* vm, const pkpy::ArgList& args) {
const _Str& _self = vm->PyStr_AS_C(args[0]);
return vm->PyStr(_self.__escape(true));
});
_vm->bindMethod("str", "__json__", [](VM* vm, const pkpy::ArgList& args) {
const _Str& _self = vm->PyStr_AS_C(args[0]);
return vm->PyStr(_self.__escape(false));
});
_vm->bindMethod("str", "__eq__", [](VM* vm, const pkpy::ArgList& 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, const pkpy::ArgList& args) {
const _Str& _self (vm->PyStr_AS_C(args[0]));
if(args[1]->isType(vm->_tp_slice)){
_Slice s = vm->PySlice_AS_C(args[1]);
s.normalize(_self.u8_length());
return vm->PyStr(_self.u8_substr(s.start, s.stop));
}
int _index = (int)vm->PyInt_AS_C(args[1]);
_index = vm->normalizedIndex(_index, _self.u8_length());
return vm->PyStr(_self.u8_getitem(_index));
});
_vm->bindMethod("str", "__gt__", [](VM* vm, const pkpy::ArgList& 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, const pkpy::ArgList& 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, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 1, true);
const _Str& _self (vm->PyStr_AS_C(args[0]));
_StrStream ss;
for(auto c : _self) ss << (char)toupper(c);
return vm->PyStr(ss.str());
});
_vm->bindMethod("str", "lower", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 1, true);
const _Str& _self (vm->PyStr_AS_C(args[0]));
_StrStream ss;
for(auto c : _self) ss << (char)tolower(c);
return vm->PyStr(ss.str());
});
_vm->bindMethod("str", "replace", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 3, true);
const _Str& _self = vm->PyStr_AS_C(args[0]);
const _Str& _old = vm->PyStr_AS_C(args[1]);
const _Str& _new = vm->PyStr_AS_C(args[2]);
_Str _copy = _self;
// replace all occurences of _old with _new in _copy
size_t pos = 0;
while ((pos = _copy.find(_old, pos)) != std::string::npos) {
_copy.replace(pos, _old.length(), _new);
pos += _new.length();
}
return vm->PyStr(_copy);
});
_vm->bindMethod("str", "startswith", [](VM* vm, const pkpy::ArgList& 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.find(_prefix) == 0);
});
_vm->bindMethod("str", "endswith", [](VM* vm, const pkpy::ArgList& 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.rfind(_suffix) == _self.length() - _suffix.length());
});
_vm->bindMethod("str", "join", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 2, true);
const _Str& _self = vm->PyStr_AS_C(args[0]);
PyVarList* _list;
if(args[1]->isType(vm->_tp_list)){
_list = &vm->PyList_AS_C(args[1]);
}else if(args[1]->isType(vm->_tp_tuple)){
_list = &vm->PyTuple_AS_C(args[1]);
}else{
vm->typeError("can only join a list or tuple");
}
_StrStream ss;
for(int i = 0; i < _list->size(); i++){
if(i > 0) ss << _self;
ss << vm->PyStr_AS_C(vm->asStr(_list->operator[](i)));
}
return vm->PyStr(ss.str());
});
/************ PyList ************/
_vm->bindMethod("list", "__iter__", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkType(args[0], vm->_tp_list);
return vm->PyIter(
pkpy::make_shared<BaseIterator, VectorIterator>(vm, args[0])
);
});
_vm->bindMethod("list", "append", [](VM* vm, const pkpy::ArgList& 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, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 3, true);
PyVarList& _self = vm->PyList_AS_C(args[0]);
int _index = (int)vm->PyInt_AS_C(args[1]);
if(_index < 0) _index += _self.size();
if(_index < 0) _index = 0;
if(_index > _self.size()) _index = _self.size();
_self.insert(_self.begin() + _index, args[2]);
return vm->None;
});
_vm->bindMethod("list", "clear", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 1, true);
vm->PyList_AS_C(args[0]).clear();
return vm->None;
});
_vm->bindMethod("list", "copy", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 1, true);
return vm->PyList(vm->PyList_AS_C(args[0]));
});
_vm->bindMethod("list", "__add__", [](VM* vm, const pkpy::ArgList& args) {
const PyVarList& _self = vm->PyList_AS_C(args[0]);
const PyVarList& _obj = vm->PyList_AS_C(args[1]);
PyVarList _new_list = _self;
_new_list.insert(_new_list.end(), _obj.begin(), _obj.end());
return vm->PyList(_new_list);
});
_vm->bindMethod("list", "__len__", [](VM* vm, const pkpy::ArgList& args) {
const PyVarList& _self = vm->PyList_AS_C(args[0]);
return vm->PyInt(_self.size());
});
_vm->bindMethod("list", "__getitem__", [](VM* vm, const pkpy::ArgList& args) {
const PyVarList& _self = vm->PyList_AS_C(args[0]);
if(args[1]->isType(vm->_tp_slice)){
_Slice s = vm->PySlice_AS_C(args[1]);
s.normalize(_self.size());
PyVarList _new_list;
for(size_t i = s.start; i < s.stop; i++)
_new_list.push_back(_self[i]);
return vm->PyList(_new_list);
}
int _index = (int)vm->PyInt_AS_C(args[1]);
_index = vm->normalizedIndex(_index, _self.size());
return _self[_index];
});
_vm->bindMethod("list", "__setitem__", [](VM* vm, const pkpy::ArgList& args) {
PyVarList& _self = vm->PyList_AS_C(args[0]);
int _index = (int)vm->PyInt_AS_C(args[1]);
_index = vm->normalizedIndex(_index, _self.size());
_self[_index] = args[2];
return vm->None;
});
_vm->bindMethod("list", "__delitem__", [](VM* vm, const pkpy::ArgList& args) {
PyVarList& _self = vm->PyList_AS_C(args[0]);
int _index = (int)vm->PyInt_AS_C(args[1]);
_index = vm->normalizedIndex(_index, _self.size());
_self.erase(_self.begin() + _index);
return vm->None;
});
/************ PyTuple ************/
_vm->bindMethod("tuple", "__new__", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 1);
PyVarList _list = vm->PyList_AS_C(vm->call(vm->builtins->attribs["list"], args));
return vm->PyTuple(_list);
});
_vm->bindMethod("tuple", "__iter__", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkType(args[0], vm->_tp_tuple);
return vm->PyIter(
pkpy::make_shared<BaseIterator, VectorIterator>(vm, args[0])
);
});
_vm->bindMethod("tuple", "__len__", [](VM* vm, const pkpy::ArgList& args) {
const PyVarList& _self = vm->PyTuple_AS_C(args[0]);
return vm->PyInt(_self.size());
});
_vm->bindMethod("tuple", "__getitem__", [](VM* vm, const pkpy::ArgList& args) {
const PyVarList& _self = vm->PyTuple_AS_C(args[0]);
int _index = (int)vm->PyInt_AS_C(args[1]);
_index = vm->normalizedIndex(_index, _self.size());
return _self[_index];
});
/************ PyBool ************/
_vm->bindMethod("bool", "__new__", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 1);
return vm->asBool(args[0]);
});
_vm->bindMethod("bool", "__repr__", [](VM* vm, const pkpy::ArgList& args) {
bool val = vm->PyBool_AS_C(args[0]);
return vm->PyStr(val ? "True" : "False");
});
_vm->bindMethod("bool", "__json__", [](VM* vm, const pkpy::ArgList& args) {
bool val = vm->PyBool_AS_C(args[0]);
return vm->PyStr(val ? "true" : "false");
});
_vm->bindMethod("bool", "__eq__", [](VM* vm, const pkpy::ArgList& args) {
return vm->PyBool(args[0] == args[1]);
});
_vm->bindMethod("bool", "__xor__", [](VM* vm, const pkpy::ArgList& args) {
bool _self = vm->PyBool_AS_C(args[0]);
bool _obj = vm->PyBool_AS_C(args[1]);
return vm->PyBool(_self ^ _obj);
});
_vm->bindMethod("ellipsis", "__repr__", [](VM* vm, const pkpy::ArgList& args) {
return vm->PyStr("Ellipsis");
});
_vm->bindMethod("_native_function", "__call__", [](VM* vm, const pkpy::ArgList& args) {
const _CppFunc& _self = vm->PyNativeFunction_AS_C(args[0]);
return _self(vm, args.subList(1));
});
_vm->bindMethod("function", "__call__", [](VM* vm, const pkpy::ArgList& args) {
return vm->call(args[0], args.subList(1));
});
_vm->bindMethod("_bounded_method", "__call__", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkType(args[0], vm->_tp_bounded_method);
const _BoundedMethod& _self = vm->PyBoundedMethod_AS_C(args[0]);
pkpy::ArgList newArgs(args.size());
newArgs[0] = _self.obj;
for(int i = 1; i < args.size(); i++) newArgs[i] = args[i];
return vm->call(_self.method, newArgs);
});
}
#include "builtins.h"
#ifdef _WIN32
#define __EXPORT __declspec(dllexport)
#elif __APPLE__
#define __EXPORT __attribute__((visibility("default"))) __attribute__((used))
#else
#define __EXPORT
#endif
void __addModuleTime(VM* vm){
PyVar mod = vm->newModule("time");
vm->bindFunc(mod, "time", [](VM* vm, const pkpy::ArgList& 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);
});
vm->bindFunc(mod, "sleep", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 1);
if(!vm->isIntOrFloat(args[0])){
vm->typeError("time.sleep() argument must be int or float");
}
double sec = vm->numToFloat(args[0]);
vm->sleepForSecs(sec);
return vm->None;
});
}
void __addModuleSys(VM* vm){
PyVar mod = vm->newModule("sys");
vm->bindFunc(mod, "getrefcount", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 1);
return vm->PyInt(args[0].use_count());
});
vm->bindFunc(mod, "getrecursionlimit", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 0);
return vm->PyInt(vm->maxRecursionDepth);
});
vm->bindFunc(mod, "setrecursionlimit", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 1);
vm->maxRecursionDepth = (int)vm->PyInt_AS_C(args[0]);
return vm->None;
});
vm->setAttr(mod, "version", vm->PyStr(PK_VERSION));
}
void __addModuleJson(VM* vm){
PyVar mod = vm->newModule("json");
vm->bindFunc(mod, "loads", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 1);
const _Str& expr = vm->PyStr_AS_C(args[0]);
_Code code = compile(vm, expr.c_str(), "<json>", JSON_MODE, false);
return vm->_exec(code, vm->topFrame()->_module, vm->topFrame()->copy_f_locals());
});
vm->bindFunc(mod, "dumps", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 1);
return vm->asJson(args[0]);
});
}
void __addModuleMath(VM* vm){
PyVar mod = vm->newModule("math");
vm->setAttr(mod, "pi", vm->PyFloat(3.1415926535897932384));
vm->setAttr(mod, "e" , vm->PyFloat(2.7182818284590452354));
vm->bindFunc(mod, "log", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 1);
return vm->PyFloat(log(vm->numToFloat(args[0])));
});
vm->bindFunc(mod, "log10", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 1);
return vm->PyFloat(log10(vm->numToFloat(args[0])));
});
vm->bindFunc(mod, "log2", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 1);
return vm->PyFloat(log2(vm->numToFloat(args[0])));
});
vm->bindFunc(mod, "sin", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 1);
return vm->PyFloat(sin(vm->numToFloat(args[0])));
});
vm->bindFunc(mod, "cos", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 1);
return vm->PyFloat(cos(vm->numToFloat(args[0])));
});
vm->bindFunc(mod, "tan", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 1);
return vm->PyFloat(tan(vm->numToFloat(args[0])));
});
vm->bindFunc(mod, "isclose", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 2);
_Float a = vm->numToFloat(args[0]);
_Float b = vm->numToFloat(args[1]);
return vm->PyBool(fabs(a - b) < 1e-9);
});
vm->bindFunc(mod, "isnan", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 1);
return vm->PyBool(std::isnan(vm->numToFloat(args[0])));
});
vm->bindFunc(mod, "isinf", [](VM* vm, const pkpy::ArgList& args) {
vm->__checkArgSize(args, 1);
return vm->PyBool(std::isinf(vm->numToFloat(args[0])));
});
}
class _PkExported{
public:
virtual ~_PkExported() = default;
virtual void* get() = 0;
};
static std::vector<_PkExported*> _pkLookupTable;
template<typename T>
class PkExported : public _PkExported{
T* _ptr;
public:
template<typename... Args>
PkExported(Args&&... args) {
_ptr = new T(std::forward<Args>(args)...);
_pkLookupTable.push_back(this);
}
~PkExported() override { delete _ptr; }
void* get() override { return _ptr; }
operator T*() { return _ptr; }
};
#define pkpy_allocate(T, ...) *(new PkExported<T>(__VA_ARGS__))
extern "C" {
__EXPORT
/// Delete a pointer allocated by `pkpy_xxx_xxx`.
/// It can be `VM*`, `REPL*`, `ThreadedVM*`, `char*`, etc.
///
/// !!!
/// If the pointer is not allocated by `pkpy_xxx_xxx`, the behavior is undefined.
/// For char*, you can also use trivial `delete` in your language.
/// !!!
void pkpy_delete(void* p){
for(int i = 0; i < _pkLookupTable.size(); i++){
if(_pkLookupTable[i]->get() == p){
delete _pkLookupTable[i];
_pkLookupTable.erase(_pkLookupTable.begin() + i);
return;
}
}
free(p);
}
__EXPORT
/// Run a given source on a virtual machine.
///
/// Return `true` if there is no compile error.
bool pkpy_vm_exec(VM* vm, const char* source){
_Code code = compile(vm, source, "main.py");
if(code == nullptr) return false;
vm->exec(code);
return true;
}
__EXPORT
/// Get a global variable of a virtual machine.
///
/// Return a json representing the result.
/// If the variable is not found, return `nullptr`.
char* pkpy_vm_get_global(VM* vm, const char* name){
auto it = vm->_main->attribs.find(name);
if(it == vm->_main->attribs.end()) return nullptr;
try{
_Str _json = vm->PyStr_AS_C(vm->asJson(it->second));
return strdup(_json.c_str());
}catch(...){
return nullptr;
}
}
__EXPORT
/// Evaluate an expression.
///
/// Return a json representing the result.
/// If there is any error, return `nullptr`.
char* pkpy_vm_eval(VM* vm, const char* source){
_Code code = compile(vm, source, "<eval>", EVAL_MODE);
if(code == nullptr) return nullptr;
PyVarOrNull ret = vm->exec(code);
if(ret == nullptr) return nullptr;
try{
_Str _json = vm->PyStr_AS_C(vm->asJson(ret));
return strdup(_json.c_str());
}catch(...){
return nullptr;
}
}
__EXPORT
/// Create a REPL, using the given virtual machine as the backend.
REPL* pkpy_new_repl(VM* vm){
return pkpy_allocate(REPL, vm);
}
__EXPORT
/// Input a source line to an interactive console.
///
/// Return `0` if need more lines,
/// `1` if execution happened,
/// `2` if execution skipped (compile error or empty input).
int pkpy_repl_input(REPL* r, const char* line){
return r->input(line);
}
__EXPORT
/// Add a source module into a virtual machine.
///
/// Return `true` if there is no complie error.
bool pkpy_vm_add_module(VM* vm, const char* name, const char* source){
// compile the module but don't execute it
_Code code = compile(vm, source, name + _Str(".py"));
if(code == nullptr) return false;
vm->addLazyModule(name, code);
return true;
}
void __vm_init(VM* vm){
__initializeBuiltinFunctions(vm);
__addModuleSys(vm);
__addModuleTime(vm);
__addModuleJson(vm);
__addModuleMath(vm);
_Code code = compile(vm, __BUILTINS_CODE, "<builtins>");
if(code == nullptr) exit(1);
vm->_exec(code, vm->builtins, {});
pkpy_vm_add_module(vm, "random", __RANDOM_CODE);
pkpy_vm_add_module(vm, "os", __OS_CODE);
}
__EXPORT
/// Create a virtual machine.
VM* pkpy_new_vm(bool use_stdio){
VM* vm = pkpy_allocate(VM, use_stdio);
__vm_init(vm);
return vm;
}
__EXPORT
/// Create a virtual machine that supports asynchronous execution.
ThreadedVM* pkpy_new_tvm(bool use_stdio){
ThreadedVM* vm = pkpy_allocate(ThreadedVM, use_stdio);
__vm_init(vm);
return vm;
}
__EXPORT
/// Read the standard output and standard error as string of a virtual machine.
/// The `vm->use_stdio` should be `false`.
/// After this operation, both stream will be cleared.
///
/// Return a json representing the result.
char* pkpy_vm_read_output(VM* vm){
if(vm->use_stdio) return nullptr;
_StrStream* s_out = (_StrStream*)(vm->_stdout);
_StrStream* s_err = (_StrStream*)(vm->_stderr);
_Str _stdout = s_out->str();
_Str _stderr = s_err->str();
_StrStream ss;
ss << '{' << "\"stdout\": " << _stdout.__escape(false);
ss << ", ";
ss << "\"stderr\": " << _stderr.__escape(false) << '}';
s_out->str("");
s_err->str("");
return strdup(ss.str().c_str());
}
__EXPORT
/// Get the current state of a threaded virtual machine.
///
/// Return `0` for `THREAD_READY`,
/// `1` for `THREAD_RUNNING`,
/// `2` for `THREAD_SUSPENDED`,
/// `3` for `THREAD_FINISHED`.
int pkpy_tvm_get_state(ThreadedVM* vm){
return vm->getState();
}
__EXPORT
/// Set the state of a threaded virtual machine to `THREAD_READY`.
/// The current state should be `THREAD_FINISHED`.
void pkpy_tvm_reset_state(ThreadedVM* vm){
vm->resetState();
}
__EXPORT
/// Read the current JSONRPC request from shared string buffer.
char* pkpy_tvm_read_jsonrpc_request(ThreadedVM* vm){
_Str s = vm->readJsonRpcRequest();
return strdup(s.c_str());
}
__EXPORT
/// Write a JSONRPC response to shared string buffer.
void pkpy_tvm_write_jsonrpc_response(ThreadedVM* vm, const char* value){
vm->writeJsonrpcResponse(value);
}
__EXPORT
/// Emit a KeyboardInterrupt signal to stop a running threaded virtual machine.
void pkpy_tvm_terminate(ThreadedVM* vm){
vm->terminate();
}
__EXPORT
/// Run a given source on a threaded virtual machine.
/// The excution will be started in a new thread.
///
/// Return `true` if there is no compile error.
bool pkpy_tvm_exec_async(VM* vm, const char* source){
// although this is a method of VM, it's only used in ThreadedVM
_Code code = compile(vm, source, "main.py");
if(code == nullptr) return false;
vm->execAsync(code);
return true;
}
}
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