package?com.vincent.compiler;

import?java.io.BufferedReader;
import?java.io.IOException;
import?java.io.StringReader;
import?java.util.ArrayList;
import?java.util.linkedList;

import?com.vincent.model.ConstVar;
import?com.vincent.model.Token;
import?com.vincent.model.TreeNode;



public?class?CMMLexer?{
	//?注釋的標志
	private?boolean?isNotation?=?false;
	//?錯誤個數(shù)
	private?int?errorNum?=?0;
	//?錯誤信息
	private?String?errorInfo?=?““;
	//?分析后得到的tokens集合，用于其后的語法及語義分析
	private?ArrayList?tokens?=?new?ArrayList（）;
	//?分析后得到的所有tokens集合，包含注釋、空格等
	private?ArrayList?displayTokens?=?new?ArrayList（）;
	//?讀取CMM文件文本
	private?BufferedReader?reader;
	//文本緩存
	private?static?BufferedReader?mBufferedReader;
????private?static?int?currentInt;
????private?static?char?currentChar;
????private?static?int?lineNo;
	
	public?boolean?isNotation（）?{
		return?isNotation;
	}

	public?void?setNotation（boolean?isNotation）?{
		this.isNotation?=?isNotation;
	}

	public?int?getErrorNum（）?{
		return?errorNum;
	}

	public?void?setErrorNum（int?errorNum）?{
		this.errorNum?=?errorNum;
	}

	public?String?getErrorInfo（）?{
		return?errorInfo;
	}

	public?void?setErrorInfo（String?errorInfo）?{
		this.errorInfo?=?errorInfo;
	}

	public?ArrayList?getTokens（）?{
		return?tokens;
	}

	public?void?setTokens（ArrayList?tokens）?{
		this.tokens?=?tokens;
	}

	public?ArrayList?getDisplayTokens（）?{
		return?displayTokens;
	}

	public?void?setDisplayTokens（ArrayList?displayTokens）?{
		this.displayTokens?=?displayTokens;
	}

	/**
	?*?識別字母
	?*?
	?*?@param?c
	?*????????????要識別的字符
	?*?@return
	?*/
	private?static?boolean?isLetter（char?c）?{
		if?（（c?>=?‘a(chǎn)‘?&&?c?<=?‘z‘）?||?（c?>=?‘A‘?&&?c?<=?‘Z‘）?||?c?==?‘_‘）
			return?true;
		return?false;
	}

	/**
	?*?識別數(shù)字
	?*?
	?*?@param?c
	?*????????????要識別的字符
	?*?@return
	?*/
	private?static?boolean?isDigit（char?c）?{
		if?（c?>=?‘0‘?&&?c?<=?‘9‘）
			return?true;
		return?false;
	}

	/**
	?*?識別正確的整數(shù)：排除多個零的情況
	?*?
	?*?@param?input
	?*????????????要識別的字符串
	?*?@return?布爾值
	?*/
	private?static?boolean?matchInteger（String?input）?{
		if?（input.matches（“^-?\\d+$“）?&&?!input.matches（“^-?0{1}\\d+$“））
			return?true;
		else
			return?false;
	}

	/**
	?*?識別正確的浮點數(shù)：排除00.000的情況
	?*?
	?*?@param?input
	?*????????????要識別的字符串
	?*?@return?布爾值
	?*/
	private?static?boolean?matchReal（String?input）?{
		if?（input.matches（“^（-?\\d+）（\\.\\d+）+$“）
				&&?!input.matches（“^（-?0{2}+）（\\.\\d+）+$“））
			return?true;
		else
			return?false;
	}

	/**
	?*?識別正確的標識符：有字母、數(shù)字、下劃線組成，必須以字母開頭，不能以下劃線結(jié)尾
	?*?
	?*?@param?input
	?*????????????要識別的字符串
	?*?@return?布爾值
	?*/
	private?static?boolean?matchID（String?input）?{
		if?（input.matches（“^\\w+$“）?&&?!input.endsWith（“_“）
				&&?input.substring（0?1）.matches（“[A-Za-z]“））
			return?true;
		else
			return?false;
	}

	/**
	?*?識別保留字
	?*?
	?*?@param?str?要分析的字符串
	?*?@return?布爾值
	?*/
	private?static?boolean?isKey（String?str）?{
		if?（str.equals（ConstVar.IF）?||?str.equals（ConstVar.ELSE）
				||?str.equals（ConstVar.WHILE）?||?str.equals

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-01-07?03:55??CMMLexer\
?????文件?????????397??2018-12-31?12:22??CMMLexer\.classpath
?????文件?????????384??2018-12-31?12:22??CMMLexer\.project
?????目錄???????????0??2019-01-07?03:55??CMMLexer\.settings\
?????文件?????????598??2018-12-31?12:22??CMMLexer\.settings\org.eclipse.jdt.core.prefs
?????目錄???????????0??2019-01-07?03:55??CMMLexer\bin\
?????目錄???????????0??2019-01-07?03:55??CMMLexer\bin\com\
?????目錄???????????0??2019-01-07?03:55??CMMLexer\bin\com\vincent\
?????目錄???????????0??2019-01-07?03:55??CMMLexer\bin\com\vincent\compiler\
?????文件???????15492??2019-01-07?02:26??CMMLexer\bin\com\vincent\compiler\CMMLexer.class
?????目錄???????????0??2019-01-07?03:55??CMMLexer\bin\com\vincent\main\
?????文件????????1029??2019-01-07?02:26??CMMLexer\bin\com\vincent\main\Compilerframe$1.class
?????文件?????????848??2019-01-07?02:26??CMMLexer\bin\com\vincent\main\Compilerframe$2.class
?????文件?????????869??2019-01-07?02:26??CMMLexer\bin\com\vincent\main\Compilerframe$3.class
?????文件????????1717??2019-01-07?02:26??CMMLexer\bin\com\vincent\main\Compilerframe$4.class
?????文件?????????831??2019-01-07?02:26??CMMLexer\bin\com\vincent\main\Compilerframe$5.class
?????文件?????????762??2019-01-07?02:26??CMMLexer\bin\com\vincent\main\Compilerframe$6.class
?????文件?????????756??2019-01-07?02:26??CMMLexer\bin\com\vincent\main\Compilerframe$7.class
?????文件????????1127??2019-01-07?02:26??CMMLexer\bin\com\vincent\main\Compilerframe$DefaultMouseAdapter.class
?????文件?????????710??2019-01-07?02:26??CMMLexer\bin\com\vincent\main\Compilerframe$StatusListener.class
?????文件????????1026??2019-01-07?02:26??CMMLexer\bin\com\vincent\main\Compilerframe$UndoHandler.class
?????文件???????12885??2019-01-07?02:26??CMMLexer\bin\com\vincent\main\Compilerframe.class
?????目錄???????????0??2019-01-07?03:55??CMMLexer\bin\com\vincent\model\
?????文件????????1424??2019-01-07?02:26??CMMLexer\bin\com\vincent\model\ConstVar.class
?????文件????????5433??2019-01-07?02:26??CMMLexer\bin\com\vincent\model\Token.class
?????文件????????2555??2019-01-07?02:26??CMMLexer\bin\com\vincent\model\TokenList.class
?????文件????????1959??2019-01-07?02:26??CMMLexer\bin\com\vincent\model\TreeNode.class
?????目錄???????????0??2019-01-07?03:55??CMMLexer\bin\com\vincent\util\
?????文件????????6821??2019-01-07?02:26??CMMLexer\bin\com\vincent\util\Codestyle.class
?????文件?????????826??2019-01-07?02:26??CMMLexer\bin\com\vincent\util\JCloseableTabbedPane$1.class
?????文件????????1055??2019-01-07?02:26??CMMLexer\bin\com\vincent\util\JCloseableTabbedPane$2.class
............此處省略228個文件信息