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Word.h
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Word.h
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#pragma once
#include<string>
using std::string;
enum WordType
{
KIf,
KElse,
KWhile,
KInt,
KDouble,
KBreak,
KContinue,
KConst,
KReturn,
Identifier,
ODiv,
ODivEqu,
OTilde,
OQue,
OComma,
OColon,
OLBrace,
ORBrace,
OSemi,
OEqu,
OEquEqu,
OMod,
OModEqu,
OMul,
OMulEqu,
ONot,
ONotEqu,
OXor,
OXorEqu,
ORShift,
ORShiftEqu,
OMoreEqu,
OLShift,
OLShiftEqu,
OLessEqu,
OOr,
OOrOr,
OOrEqu,
OAnd,
OAndAnd,
OAndEqu,
OMinusMinus,
OMinusEqu,
OPlusPlus,
OPlusEqu,
OLess,
OMore,
OPoint,
OPlus,
OMinus,
OLPara,
ORPara,
OLBrack,
ORBrack,
CInt,
CFloat,
CString,
CCharacter,
Precompile,
Undefined
};
const char* TypeName[60]= {
"KIf",
"KElse",
"KWhile",
"KInt",
"KDouble",
"KBreak",
"KContinue",
"KConst",
"KReturn",
"Identifier",
"ODiv",
"ODivEqu",
"OTilde",
"OQue",
"OComma",
"OColon",
"OLBrace",
"ORBrace",
"OSemi",
"OEqu",
"OEquEqu",
"OMod",
"OModEqu",
"OMul",
"OMulEqu",
"ONot",
"ONotEqu",
"OXor",
"OXorEqu",
"ORShift",
"ORShiftEqu",
"OMoreEqu",
"OLShift",
"OLShiftEqu",
"OLessEqu",
"OOr",
"OOrOr",
"OOrEqu",
"OAnd",
"OAndAnd",
"OAndEqu",
"OMinusMinus",
"OMinusEqu",
"OPlusPlus",
"OPlusEqu",
"OLess",
"OMore",
"OPoint",
"OPlus",
"OMinus",
"OLPara",
"ORPara",
"OLBrack",
"ORBrack",
"CInt",
"CFloat",
"CString",
"CCharacter",
"Precompile",
"Undefined"
};
class Word
{
public:
string raw;
WordType type;
void *val;
int lineNum;
Word() { val = nullptr; }
Word(Word& a)
{
lineNum = a.lineNum;
raw = a.raw;
type = a.type;
if (type == CInt)val = new int(*((int*)(a.val)));
else if (type == CFloat)val = new double(*(double*)(a.val));
else if (type == CCharacter)val = new char(*(char*)(a.val));
else if (type == CString)val = new string(*(string*)(a.val));
else val = nullptr;
}
Word(Word&& a)
{
lineNum = a.lineNum;
raw = a.raw;
type = a.type;
val = a.val;
a.val = nullptr;
}
Word& operator=(Word& a)
{
lineNum = a.lineNum;
raw = a.raw;
type = a.type;
if (type == CInt)val = new int(*((int*)(a.val)));
else if (type == CFloat)val = new double(*(double*)(a.val));
else if (type == CCharacter)val = new char(*(char*)(a.val));
else if (type == CString)val = new string(*(string*)(a.val));
else val = nullptr;
return *this;
}
Word& operator=(Word&& a)
{
lineNum = a.lineNum;
raw = a.raw;
type = a.type;
val = a.val;
a.val = nullptr;
return *this;
}
Word(string raw, WordType type, int lineNum) :lineNum(lineNum), raw(raw), type(type), val(nullptr){}
Word(string raw, WordType type, int val, int lineNum) :lineNum(lineNum), raw(raw), type(type) { this->val = new int(val); }
Word(string raw, WordType type, char val, int lineNum) :lineNum(lineNum), raw(raw), type(type) { this->val = new char(val); }
Word(string raw, WordType type, double val, int lineNum) :lineNum(lineNum), raw(raw), type(type) { this->val = new double(val); }
Word(string raw, WordType type, string val, int lineNum) :lineNum(lineNum), raw(raw), type(type) { this->val = new string(val); }
bool isEOF()
{
return raw == "EOF" && type == Undefined;
}
~Word()
{
if (val != nullptr)
{
delete val;
val = nullptr;
}
}
};