编译原理课程设计说明书(3)

山东科技大学学生课程设计

private void Analysis_button_Click(object sender, EventArgs e) {

Output_textBox.Text = null;

string program = Pretreatment(Input_textBox.Text); int i;//循环program

Result[] im = new Result[100]; int x;

for (x = 0; x < 100; x++) {

im[x] = new Result(); }

int j=0;//循环im i = 0;

while(i

if (isornotchar(program[i]))//第一个是字母 {

int flag = 1;//正确的标识符

im[j].word += Convert.ToString(program[i]); if (i < program.Length-1) {

i++;

while (program[i] != ' ' && program[i] != '\\r' &&

program[i] != ',' && program[i] != ';' &&

program[i] != '+' && program[i] != '-' &&

program[i] != '*' && program[i] != '/' &&

program[i] != '<' && program[i] != '>' &&

program[i] != '=' && program[i] != '!' &&

program[i] != '(' && program[i] != ')' &&

program[i] != '[' && program[i] != ']' &&

program[i] != '{' && program[i] != '}') {

if (!(isornotchar(program[i]))

&& !(isornotnum(program[i])))

flag = 0;

im[j].word += Convert.ToString(program[i]); if (i < program.Length - 1) i++;

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山东科技大学学生课程设计

else {

i++;

break; //到了程序的结束 } }

}

else //是标志符 {

im[j].word = Convert.ToString(program[i]); im[j].style = 2; i++; }

/*******************保留字*************************/ if (im[j].word == \

im[j].word == \im[j].word == \

im[j].word == \

im[j].word == \im[j].word == \

im[j].word == \

im[j].word == \im[j].word == \

im[j].word == \

\\\\\

im[j].style = 1; else im[j].style = 1;

if (flag == 0) im[j].word += program[i]; j++; }

else if (isornotnum(program[i]))//第一个是数字 {

int location = 0; //记录小数点的位置

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山东科技大学学生课程设计