91av视频/亚洲h视频/操亚洲美女/外国一级黄色毛片 - 国产三级三级三级三级

  • 大小: 33KB
    文件類型: .zip
    金幣: 2
    下載: 1 次
    發布日期: 2021-07-28
  • 語言: Java
  • 標簽:

資源簡介

對算術表達式文法,用遞歸下降分析法(或預測分析方法、算符優先分析方法等)對任意輸入的符號串進行分析,如合法給出相應信息,如果不合法,最好能給出在哪個產生式出現的問題。
算術表達式至少包含+、-、*、/、()。例如:i1 + i2 * ( 34 - i3 / 2 )

資源截圖

代碼片段和文件信息

package?appmain;

import?javax.swing.*;
import?java.util.ArrayList;
import?java.util.HashMap;

public?class?GrammaAnalysis?{
????private?ArrayList?stack?=?new?ArrayList<>();?//?當前棧
????private?ArrayList?reader?=?new?ArrayList<>();?//?待讀隊列
????private?Production[]?productions?=?new?Production[42];?//?產生式數組
????private?HashMap?map_i2s;?//?種別碼Map,種別碼為鍵,單詞為值
????private?HashMap?map_s2i;?//?種別碼Map,單詞為鍵,種別碼為值

????private?void?initMap()?{
????????map_s2i?=?new?HashMap<>();
????????map_s2i.put(“char“?1);
????????map_s2i.put(“short“?2);
????????map_s2i.put(“int“?3);
????????map_s2i.put(“long“?4);
????????map_s2i.put(“float“?5);
????????map_s2i.put(“double“?6);
????????map_s2i.put(“final“?7);
????????map_s2i.put(““?8);
????????map_s2i.put(“if“?9);
????????map_s2i.put(“else“?10);
????????map_s2i.put(“while“?11);
????????map_s2i.put(“do“?12);
????????map_s2i.put(“for“?13);
????????map_s2i.put(“break“?14);
????????map_s2i.put(“continue“?15);
????????map_s2i.put(“void“?16);
????????map_s2i.put(“id“?20);
????????map_s2i.put(“num“?30);
????????map_s2i.put(“=“?31);
????????map_s2i.put(“==“?32);
????????map_s2i.put(“>“?33);
????????map_s2i.put(“<“?34);
????????map_s2i.put(“>=“?35);
????????map_s2i.put(“<=“?36);
????????map_s2i.put(“+“?37);
????????map_s2i.put(“-“?38);
????????map_s2i.put(“*“?39);
????????map_s2i.put(“/“?40);
????????map_s2i.put(“(“?41);
????????map_s2i.put(“)“?42);
????????map_s2i.put(“[“?43);
????????map_s2i.put(“]“?44);
????????map_s2i.put(“{“?45);
????????map_s2i.put(“}“?46);
????????map_s2i.put(““?47);
????????map_s2i.put(“:“?48);
????????map_s2i.put(“;“?49);
????????map_s2i.put(“!=“?50);
????????map_s2i.put(“$“?60);

????????map_i2s?=?new?HashMap<>();
????????map_i2s.put(1?“char“);
????????map_i2s.put(2?“short“);
????????map_i2s.put(3?“int“);
????????map_i2s.put(4?“long“);
????????map_i2s.put(5?“float“);
????????map_i2s.put(6?“double“);
????????map_i2s.put(7?“final“);
????????map_i2s.put(8?““);
????????map_i2s.put(9?“if“);
????????map_i2s.put(10?“else“);
????????map_i2s.put(11?“while“);
????????map_i2s.put(12?“do“);
????????map_i2s.put(13?“for“);
????????map_i2s.put(14?“break“);
????????map_i2s.put(15?“continue“);
????????map_i2s.put(16?“void“);
????????map_i2s.put(20?“id“);
????????map_i2s.put(30?“num“);
????????map_i2s.put(31?“=“);
????????map_i2s.put(32?“==“);
????????map_i2s.put(33?“>“);
????????map_i2s.put(34?“<“);
????????map_i2s.put(35?“>=“);
????????map_i2s.put(36?“<=“);
????????map_i2s.put(37?“+“);
????????map_i2s.put(38?“-“);
????????map_i2s.put(39?“*“);
????????map_i2s.put(40?“/“);
????????map_i2s.put(41?“(“);
????????map_i2s.put(42?“)“);
????????map_i2s.put(43?“[“);
????????map_i2s.put(44?“]“);
????????map_i2s.put(45?“{“);
????????map_i2s.put(46?“}“);
????????map_i2s.put(47?““);
????????map_i2s.put(48?“:“);
??????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2020-03-30?14:51??.idea\
?????目錄???????????0??2020-03-30?14:51??.idea\artifacts\
?????文件?????????287??2020-03-30?14:49??.idea\artifacts\_jar.xml
?????文件?????????244??2020-03-30?14:15??.idea\encodings.xml
?????文件?????????283??2020-03-30?14:23??.idea\misc.xml
?????文件?????????277??2020-03-30?14:15??.idea\modules.xml
?????文件????????6338??2020-03-30?14:50??.idea\workspace.xml
?????目錄???????????0??2020-03-30?14:51??bin\
?????目錄???????????0??2020-03-30?14:51??bin\appmain\
?????文件?????????619??2020-03-30?14:28??bin\appmain\GrammaAnalysis$Production.class
?????文件???????13042??2020-03-30?14:28??bin\appmain\GrammaAnalysis.class
?????文件????????3623??2020-03-30?14:46??bin\appmain\LexicalAnalyzer.class
?????文件????????4283??2020-03-30?14:23??bin\appmain\Mainframe.class
?????目錄???????????0??2020-03-30?14:51??bin\meta-INF\
?????文件??????????56??2020-03-30?14:43??bin\meta-INF\MANIFEST.MF
?????目錄???????????0??2020-03-30?14:51??src\
?????目錄???????????0??2020-03-30?14:51??src\appmain\
?????文件???????24019??2020-03-30?14:28??src\appmain\GrammaAnalysis.java
?????文件????????5944??2020-03-30?14:34??src\appmain\LexicalAnalyzer.java
?????文件????????2930??2019-12-17?14:53??src\appmain\Mainframe.java
?????目錄???????????0??2020-03-30?14:51??src\meta-INF\
?????文件??????????56??2020-03-30?14:43??src\meta-INF\MANIFEST.MF
?????文件?????????448??2020-03-30?14:15??詞法分析器.iml
?????文件???????11555??2020-03-30?14:50??語法分析器.jar

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