?? bianyi1.cpp
字號:
#include<stdio.h>
#include<malloc.h>
#include<string.h>
#include<stdlib.h>
void main()
{FILE *fp;
char str[255];
fp=fopen("Program.txt","r");
int i=0;
char c;int flag=1,flag1=1;
while(1) {
fgets(str,255,fp);
puts(str);
i=0;
flag=1;
flag1=1;int flag2=0;
while(str[i]==' ') i++;//刪除空格
while(str[i]!='\n')
{
while(flag)
{
while(str[i]>='a'&&str[i]<='z'&&str[i]!=' ')
{ i++; flag2=1;
while(str[i]<='9'&&str[i]>='0')
i++;
}
if(flag2)
{
c=str[i];
str[i]='\0';
if(strcmp("if",str)==0||strcmp("int",str)==0||strcmp("for",str)==0||strcmp("do",str)==0||strcmp("continue",str)==0||strcmp("return",str)==0||strcmp("break",str)==0)
{printf("(1,%s)\n",str);str[i]=c;flag=0;}
else
{printf("(2,%s)\n",str);str[i]=c;flag=0;}
}
else flag=0;
}
while(str[i]==' ') i++;//刪除空格
if(str[i]=='+'||str[i]=='-'||str[i]=='*'||str[i]=='/'||str[i]=='=')
{ i++;
printf("(4,%c)\n",str[i]);
}
while(str[i]==' ') i++;//刪除空格
while(str[i]<='9'&&str[i]>='0')//查找是數(shù)字的符號
{
for(int j=0;j<i;j++)
str[j]=' ';
char mm[255]; j=0;
mm[j]=str[i];
i++;
if(str[i]==' ')
{
printf("(3,%s)\n",mm);
break;
}
}
if(str[i]==','||str[i]==';'||str[i]=='('||str[i]==')'||str[i]=='}'||str[i]=='{')
{
printf("(5,%c)\n",str[i]);
i++;
}
}
if(feof(fp))
break;
}
}
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