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Token.cpp
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Token.cpp
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#include "stdafx.h"
#include "FunctionProvider.h"
#include "OperatorProvider.h"
#include "Token.h"
namespace E{
Token::Token()
{
memset(this, 0, sizeof(Token));
}
Token::Token(Token_Type t)
{
if (t != Token_Type::_None && t != Token_Type::_LeftBracket && t != Token_Type::_RightBracket)
throw std::logic_error("Wrong Type");
type = (t), data = (nullptr), ref = nullptr;
}
Token::Token(Value_Type v)
:type(Token_Type::_Const), ref(nullptr), val(v) {}
Token::Token(Token_Type t, const char* ch)
{
if (t == Token_Type::_Variable)
{
type = t;
data = new char[strlen(ch) + 1];
memcpy(data, ch, strlen(ch) + 1);
ref = new int(1);
}
else
throw std::logic_error("Wrong Type");
}
Token::Token(Token_Type t, int mapnumber)
{
if (t == Token_Type::_VariableMap || t == Token_Type::_FunctionMap)
this->mapnumber = mapnumber, type = t, ref = nullptr;
else
throw std::logic_error("Wrong Type");
}
Token::Token(Operator_Type o)
:type(Token_Type::_Operator), ref(nullptr), ot(o) {}
Token::Token(const Token & obj)
{
memcpy(this, &obj, sizeof(Token));
if (obj.ref != nullptr)
{
(*ref)++;
}
}
Token::~Token()
{
if (ref != nullptr)
{
(*ref)--;
if (*ref <= 0)
{
delete ref;
delete[] data;
ref = nullptr;
data = nullptr;
}
}
}
Token & Token::operator=(const Token & obj)
{
if (this == &obj)
return *this;
if (ref != nullptr)
{
(*ref)--;
if (*ref <= 0)
{
delete ref;
delete[] data;
ref = nullptr;
data = nullptr;
}
}
memcpy(this, &obj, sizeof(Token));
if (obj.ref != nullptr)
{
(*ref)++;
}
return *this;
}
mylib::string Token::ToString()
{
switch (type)
{
case Token_Type::_None:
return mylib::string();
case Token_Type::_Const:
return mylib::string(this->val);
case Token_Type::_FunctionMap:
return FunctionProvider::GetFunctionName((FunctionProvider::Function_Type)this->mapnumber);
case Token_Type::_LeftBracket:
return mylib::string("(");
case Token_Type::_RightBracket:
return mylib::string(")");
case Token_Type::_Variable:
return mylib::string(data);
case Token_Type::_Operator:
return mylib::string(OperatorProvider::GetOperatorInfoEx(this->ot).Name);
case Token_Type::_VariableMap:
return mylib::string("VariableMap_") + mylib::string((Value_Type)mapnumber);
}
throw std::logic_error("Invalid Token_Type");
}
}