华南农业大学 编译原理 综合性实验报告 选择部分C语言的语法成分，设计其词法分析程序、语法语义分析程序。
2019-12-21 19:44:40
129KB
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文法规则：
1.—>program id
2.—> { 语句 [ 语句 ] }
3.—>||| ||
4.—> id [ , id ] ；
5.—> integer | float
6.—> input id [ , id ] ；
7.—> output [ , ] ；
8.—> id = ；
9.—> if { else }
10.—> while
11.—> [ +|－ ]
12.—> [ *|/ ]
13.—> id | con | deci | ( )
14.—> [ and | or ]
15.—>
16.—> < | | >= | == |
2019-12-21 19:39:44
258KB
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编译原理词法分析，语法分析，语义分析（源代码和实验报告），已经测试运行，绝对对得起10分（本人的承诺）。
2019-12-21 19:38:23
1.21MB
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C语言词法分析器
#include
#include
#include
char *key0[]={" ","auto","break","case","char","const","continue","default","do","double","else","enum","extern","float","for","goto","if","int","long","register","return","short","signed","sizeof","static","struct","switch","typedef","_Complex","_Imaginary","union","unsigned","void","volatile","while"};
/*保留字表*/
char *key1[]={" ","(",")","[","]","{","}",",",";","'"};
/*分隔符表*/
char *key2[]={" ","+","-","*","/","%","","==",">=","<=","!=","!","&&","||","<>","~","|","^","&","=","?:","->","++","--",".","+=","-=","*=","/="};
/*运算符表*/
int xx0[35],xx1[10],xx2[31];
.......
2019-12-21 19:37:21
19KB
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编译原理-简单计算器：实现词法分析器，和语法分析器：实现正整数与浮点数的 + - * / ()
之前大学的时候，编译原理课程有一个做计算器的任务，当时没有做，只顾做一个漂亮计算器界面。趁这周末有空，就把计算器编译重新做一做。
参考文档：http://wenku.baidu.com/view/341e42bd02d276a200292e6c.html
2019-12-21 19:34:31
26KB
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