#include
#include
#include“l(fā)exical_analysis.h“
using?std::cerr?;
using?std::endl;
using?std::cin;
using?std::getline;
using?std::cout?;

using?std::string?;
//constructor?
RelationTie_T::RelationTie_T（int?i??string?s）:
type（i）value（s）
{
}

void?RelationTie_T::setType?（const?int?i）
{
	type=i;
}

void?RelationTie_T::setValue?（const?string&?str）
{
	value=str;
}


ostream&?operator<<（ostream&?osconst?RelationTie_T&?temp）
{
	switch（temp.type?）
	{
	case?0:
		os<<“operator???????“?;
		break;
	case?1:
		os<<“delimiter??????“;
		break;
	case?2:
		os<<“number?????????“;
		break;
	case?3:
		os<<“keyword?????????“;
		break;
	case?4:
		os<<“identifier?????“;
		break;
	default?:
		break;
	}
	os<	return?os;
}

//constructor?::initializing?the?member?variables?of?the?class?
Lex_Analysis_T::Lex_Analysis_T（const?char*?lhs??const?char*?rhs）
{
	fileName.open（lhs?fstream::out|fstream::in?）;//添加fstream：：out后才可以自動(dòng)創(chuàng)建文件
	objName.open?（rhs?fstream::out）;
	if（!fileName）
	{
		cerr<<“error:unable?to?open?the?file:“
			<		return;
	}
	if（!objName）
	{
		cerr<<“error:unable?to?open?the?file:“
			<		return?;
	}

????//int?i=0;
}

/*void?Lex_Analysis_T::inputSourFile?（）
{
	string?str;
	if（!fileName）
	{
		cerr<<“文件無(wú)法寫(xiě)入“<		return?;
	}

	while（cin>>str）
	{
		fileName<		
	}
	fileName.clear（）;
}*/

void?Lex_Analysis_T::readOneLine?（）
{
	getline（fileName?line）;
}

void?Lex_Analysis_T::scan（）
{
	RelationTie_T?rt;
	int?i=0;
????char?ch;
	while（i!=line.size?（）?）
	{
		ch=line[i];
		
		switch（charType（ch）?）
		{
		case?OPERATOR:
			temp.push_back?（ch）;
				if（line[i+1]==‘=‘||line[i+1]==‘+‘
					||line[i+1]==‘-‘||line[i+1]==‘<‘||line[i+1]==‘>‘）
				{
					ch=line[++i];
					temp.push_back?（ch）;
				}
				else
				{
				}
????????????????rt.setType?（0）;
				rt.setValue?（temp）;
				vec.push_back?（rt）;
				++i;
				temp=““;
			break;
		case?DLIMITER:
			temp.push_back?（ch）;
				rt.setType?（1）;
				rt.setValue?（temp）;
		???	????vec.push_back?（rt）;
				++i;
				temp=““;
			break;
		case?NUMBER:
			{
				const?string?s（line.begin（）+iline.end?（）?）;
				if（isUnsignedNumber（s）?）
				{
					rt.setType?（2）;
					rt.setValue?（temp）;
					vec.push_back?（rt）;
					i+=temp.length?（）;
					temp=““;
				}
				
			}
			break;
		case?LETTER:
			{
			const?string?s（line.begin?（）+i??line.end?（）?）;
			this->makeIdentifier?（s）;
			if（isKeyword（temp）?）
				rt.setType?（3）;
			else
				rt.setType?（4）;
			i+=temp.length?（）;//i此時(shí)必須向前移動(dòng)temp.length（）個(gè)長(zhǎng)度才可避免重復(fù)掃描以致錯(cuò)
			rt.setValue?（temp）;
			vec.push_back?（rt）;
			temp=““;
			}
			break;
		default://when?the?scan?finds?char?‘_‘it?return?NONE?
			if（ch==‘_‘）
				temp.push_back?（ch）;
			++i;
????????????break;
		}//switch

	}//while
	
	
}
bool?Lex_Analysis_T::isKeyword?（const?string&?str）
{
	int?i=0;
	while（i!=23）
	{
		if（

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----

?????文件????????549??2009-10-23?18:07??0120710340819?宋偉\詞法分析程序.dsw

?????文件????1494016??2010-01-08?13:50??0120710340819?宋偉\詞法分析程序.ncb

?????文件????????690??2009-11-21?11:03??0120710340819?宋偉\詞法分析程序.plg

?????文件???????1165??2010-01-07?13:27??0120710340819?宋偉\main.cpp

?????文件???????2185??2009-11-21?10:51??0120710340819?宋偉\sh.txt

?????文件??????53760??2009-11-21?23:04??0120710340819?宋偉\詞法分析程序.opt

?????文件?????????69??2010-01-07?16:16??0120710340819?宋偉\txt1.txt

?????文件?????????61??2010-01-08?13:50??0120710340819?宋偉\txt2.txt

?????文件???????4492??2009-10-23?20:49??0120710340819?宋偉\詞法分析程序.dsp

?????文件????????259??2010-01-07?15:23??0120710340819?宋偉\se.txt

?????文件????1313792??2009-11-14?18:01??0120710340819?宋偉\ncb

?????文件????????901??2010-01-08?12:29??0120710340819?宋偉\詞法分析程序.sln

????..A..H.?????15872??2010-01-08?13:50??0120710340819?宋偉\詞法分析程序.suo

?????文件???????5198??2010-01-07?13:27??0120710340819?宋偉\lexical_analysis.cpp

?????文件???????2191??2009-11-21?11:03??0120710340819?宋偉\lexical_analysis.h

?????文件???????5911??2010-01-07?22:30??0120710340819?宋偉\詞法分析程序.vcproj

?????文件????????901??2009-11-21?11:06??0120710340819?宋偉\Solution1.sln

????..A..H.?????13312??2009-11-21?11:07??0120710340819?宋偉\Solution1.suo

?????文件???????1427??2010-01-08?13:50??0120710340819?宋偉\詞法分析程序.vcproj.PC-200910291328.Administrator.user

?????文件???????2600??2010-01-08?13:21??0120710340819?宋偉\Syntax_Analysis.h

?????文件???????8380??2010-01-08?13:41??0120710340819?宋偉\Syntax_Analysis.cpp

?????文件???????1761??2010-01-07?22:30??0120710340819?宋偉\ClassDiagram1.cd

?????文件????????111??2010-01-10?20:29??0120710340819?宋偉\README.TXT.txt

?????文件????2444288??2009-11-19?22:56??0120710340819?宋偉\Solution1.ncb

?????文件?????140288??2009-11-21?11:03??0120710340819?宋偉\Debug\vc60.idb

?????文件?????135168??2009-11-21?11:03??0120710340819?宋偉\Debug\vc60.pdb

?????文件????????406??2010-01-08?12:29??0120710340819?宋偉\Debug\詞法分析程序.exe.embed.manifest

?????文件??????????0??2009-11-15?17:34??0120710340819?宋偉\Debug\sor.txt

?????文件??????????0??2009-11-19?21:54??0120710340819?宋偉\Debug\obj.txt

?????文件????2534080??2009-11-21?11:03??0120710340819?宋偉\Debug\詞法分析程序.pch

............此處省略17個(gè)文件信息