mirror of
https://github.com/pocketpy/pocketpy
synced 2025-10-20 11:30:18 +00:00
232 lines
7.6 KiB
C++
232 lines
7.6 KiB
C++
#pragma once
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#include "common.h"
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#include "memory.h"
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#include "vector.h"
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namespace pkpy {
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int utf8len(unsigned char c, bool suppress=false);
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struct SStream;
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struct Str{
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int size;
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bool is_ascii;
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char* data;
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char _inlined[24];
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bool is_inlined() const { return data == _inlined; }
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Str();
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Str(int size, bool is_ascii);
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Str(const std::string& s);
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Str(std::string_view s);
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Str(const char* s);
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Str(const char* s, int len);
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Str(std::pair<char *, int>);
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Str(const Str& other);
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Str(Str&& other);
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operator std::string_view() const { return sv(); }
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const char* begin() const { return data; }
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const char* end() const { return data + size; }
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char operator[](int idx) const { return data[idx]; }
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int length() const { return size; }
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bool empty() const { return size == 0; }
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size_t hash() const{ return std::hash<std::string_view>()(sv()); }
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Str& operator=(const Str& other);
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Str operator+(const Str& other) const;
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friend Str operator+(const char* p, const Str& str);
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Str operator+(const char* p) const;
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bool operator==(const std::string_view other) const;
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bool operator!=(const std::string_view other) const;
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bool operator<(const std::string_view other) const;
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friend bool operator<(const std::string_view other, const Str& str);
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bool operator==(const char* p) const;
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bool operator!=(const char* p) const;
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bool operator==(const Str& other) const;
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bool operator!=(const Str& other) const;
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bool operator<(const Str& other) const;
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bool operator>(const Str& other) const;
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bool operator<=(const Str& other) const;
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bool operator>=(const Str& other) const;
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~Str();
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friend std::ostream& operator<<(std::ostream& os, const Str& str);
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Str substr(int start, int len) const;
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Str substr(int start) const;
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const char* c_str() const;
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std::string_view sv() const;
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std::string str() const;
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Str strip(bool left, bool right, const Str& chars) const;
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Str strip(bool left=true, bool right=true) const;
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Str lstrip() const { return strip(true, false); }
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Str rstrip() const { return strip(false, true); }
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Str lower() const;
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Str upper() const;
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Str escape(bool single_quote=true) const;
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void escape_(SStream& ss, bool single_quote=true) const;
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int index(const Str& sub, int start=0) const;
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Str replace(char old, char new_) const;
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Str replace(const Str& old, const Str& new_, int count=-1) const;
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pod_vector<std::string_view> split(const Str& sep) const;
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pod_vector<std::string_view> split(char sep) const;
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int count(const Str& sub) const;
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/*************unicode*************/
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int _unicode_index_to_byte(int i) const;
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int _byte_index_to_unicode(int n) const;
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Str u8_getitem(int i) const;
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Str u8_slice(int start, int stop, int step) const;
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int u8_length() const;
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};
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struct StrName {
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uint16_t index;
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StrName();
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explicit StrName(uint16_t index);
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StrName(const char* s);
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StrName(const Str& s);
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std::string_view sv() const;
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const char* c_str() const;
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bool empty() const { return index == 0; }
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Str escape() const;
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bool operator==(const StrName& other) const noexcept {
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return this->index == other.index;
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}
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bool operator!=(const StrName& other) const noexcept {
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return this->index != other.index;
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}
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bool operator<(const StrName& other) const noexcept {
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return this->index < other.index;
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}
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bool operator>(const StrName& other) const noexcept {
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return this->index > other.index;
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}
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static bool is_valid(int index);
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static StrName get(std::string_view s);
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static std::map<std::string, uint16_t, std::less<>>& _interned();
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static std::map<uint16_t, std::string>& _r_interned();
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static uint32_t _pesudo_random_index;
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};
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struct SStream{
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PK_ALWAYS_PASS_BY_POINTER(SStream)
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// pod_vector<T> is allocated by pool64 so the buffer can be moved into Str without a copy
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pod_vector<char> buffer;
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int _precision = -1;
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bool empty() const { return buffer.empty(); }
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void setprecision(int precision) { _precision = precision; }
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SStream(){}
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SStream(int guess_size){ buffer.reserve(guess_size); }
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Str str();
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SStream& operator<<(const Str&);
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SStream& operator<<(const char*);
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SStream& operator<<(int);
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SStream& operator<<(size_t);
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SStream& operator<<(i64);
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SStream& operator<<(f64);
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SStream& operator<<(const std::string&);
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SStream& operator<<(std::string_view);
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SStream& operator<<(char);
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SStream& operator<<(StrName);
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void write_hex(unsigned char, bool non_zero=false);
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void write_hex(void*);
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void write_hex(i64);
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};
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#ifdef _S
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#undef _S
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#endif
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template<typename... Args>
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Str _S(Args&&... args) {
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SStream ss;
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(ss << ... << args);
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return ss.str();
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}
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struct CString{
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const char* ptr;
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CString(const char* ptr): ptr(ptr) {}
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operator const char*() const { return ptr; }
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};
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// unary operators
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const StrName __repr__ = StrName::get("__repr__");
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const StrName __str__ = StrName::get("__str__");
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const StrName __hash__ = StrName::get("__hash__"); // unused
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const StrName __len__ = StrName::get("__len__");
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const StrName __iter__ = StrName::get("__iter__");
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const StrName __next__ = StrName::get("__next__"); // unused
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const StrName __neg__ = StrName::get("__neg__"); // unused
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const StrName __bool__ = StrName::get("__bool__"); // unused
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// logical operators
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const StrName __eq__ = StrName::get("__eq__");
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const StrName __lt__ = StrName::get("__lt__");
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const StrName __le__ = StrName::get("__le__");
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const StrName __gt__ = StrName::get("__gt__");
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const StrName __ge__ = StrName::get("__ge__");
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const StrName __contains__ = StrName::get("__contains__");
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// binary operators
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const StrName __add__ = StrName::get("__add__");
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const StrName __radd__ = StrName::get("__radd__");
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const StrName __sub__ = StrName::get("__sub__");
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const StrName __rsub__ = StrName::get("__rsub__");
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const StrName __mul__ = StrName::get("__mul__");
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const StrName __rmul__ = StrName::get("__rmul__");
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const StrName __truediv__ = StrName::get("__truediv__");
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const StrName __floordiv__ = StrName::get("__floordiv__");
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const StrName __mod__ = StrName::get("__mod__");
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const StrName __pow__ = StrName::get("__pow__");
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const StrName __matmul__ = StrName::get("__matmul__");
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const StrName __lshift__ = StrName::get("__lshift__");
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const StrName __rshift__ = StrName::get("__rshift__");
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const StrName __and__ = StrName::get("__and__");
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const StrName __or__ = StrName::get("__or__");
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const StrName __xor__ = StrName::get("__xor__");
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const StrName __invert__ = StrName::get("__invert__");
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// indexer
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const StrName __getitem__ = StrName::get("__getitem__");
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const StrName __setitem__ = StrName::get("__setitem__");
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const StrName __delitem__ = StrName::get("__delitem__");
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// specials
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const StrName __new__ = StrName::get("__new__");
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const StrName __init__ = StrName::get("__init__");
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const StrName __call__ = StrName::get("__call__");
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const StrName __divmod__ = StrName::get("__divmod__");
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const StrName __enter__ = StrName::get("__enter__");
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const StrName __exit__ = StrName::get("__exit__");
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const StrName __name__ = StrName::get("__name__");
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const StrName __all__ = StrName::get("__all__");
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const StrName __package__ = StrName::get("__package__");
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const StrName __path__ = StrName::get("__path__");
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const StrName __class__ = StrName::get("__class__");
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const StrName pk_id_add = StrName::get("add");
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const StrName pk_id_set = StrName::get("set");
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const StrName pk_id_long = StrName::get("long");
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const StrName pk_id_complex = StrName::get("complex");
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#define DEF_SNAME(name) const static StrName name(#name)
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} // namespace pkpy
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