form1.cs

编译原理语法分析和词法分析综合实验： 源程序、可执行程序、测试程序文件、程序运行说明文件、实验报告。

using System;
using System.IO;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using Antlr.Runtime.Collections;
using Antlr.Runtime.Debug;
using Antlr.Runtime.Tree;
using Antlr.Runtime.Misc;
using Antlr.StringTemplate;
using Antlr.Runtime;
using Antlr.Utility;
using regularExpression = System.Text.RegularExpressions;
using System.Collections;
namespace syn
{
    public partial class Form1 : Form
    {
        //static int ds = 0;
        public Form1()
        {

            InitializeComponent();
        }


        private void openFileDialog1_FileOk(object sender, CancelEventArgs e)
        {
            //if (openFileDialog1.ShowDialog() == DialogResult.OK)
            //{
            //    StreamReader st=new StreamReader(openFileDialog1.FileName);

            //    richTextBoxReadin.Text = st.ReadToEnd();
            //}
        }

        private void buttonRead_Click(object sender, EventArgs e)
        {
            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                StreamReader st = new StreamReader(openFileDialog1.FileName);

                richTextBoxReadin.Text = st.ReadToEnd();
            }
        }
        //string analyse
       
        public static ArrayList subStringCollection;
        public void Lexer()//词法分析
        {//FontDialog fg=new FontDialog();fg.Color=Color.Green;
            Boolean isComment = true;
            //Boolean isComment1 = true;
            string str = "";
            subStringCollection = new ArrayList();
            string text = richTextBoxReadin.Text;
            string pat = @"([!][=])|([&][&])|([|][|])" + @"|([|!#%&])|([:;,.'])" + @"|([/][/].*)" + @"|[/][*]|[*][/]" + @"|([(){}])" + @"|([[])|([]])" + @"|([+][+])|([-][-])|([=][=])|([>][=])|([<][=])|([+-])|([1-9]*[0-9]+[.][0-9]+)|[0]|([1-9][0-9]*)|([*/><=])|([a-zA-Z_]+[a-zA-Z0-9_]*)|" + @"([""][\s\S]*[""])" + @"|([\\][\\])" + @"|([\\])";
            richTextBoxAnaliseOut.Text = "";
            regularExpression.Regex re = new regularExpression.Regex(pat, regularExpression.RegexOptions.Compiled);
            regularExpression.Match mat = re.Match(text);
            while (mat.Success)
            {
                
                if (mat.Value.Contains(@"/*"))
                {
                    isComment = false;
                    //isComment1 = false;
                }
                str=mat.Value;
                if (str.Contains(@"*/"))
                {
                    if (isComment == false)
                        str = "";
                    isComment = true;
                    
                }
                
                if (isComment && !str.Equals("")&& !str.Contains(@"//") )
                {
                    if (CategoryCode(str) < 12 ||str.Equals(@"\#"))
                    {
                        richTextBoxReadin.Select(mat.Index, str.Length);
                        richTextBoxReadin.SelectionColor = Color.Blue;
                    }
                    subStringCollection.Add(str);
                    if(!str.Equals(@"*/"))
                    richTextBoxAnaliseOut.Text += CategoryCode(str) + "\t" + str + "\n";
                }
                mat = mat.NextMatch();
            }
          
        }
        private void buttonAnalyse_Click(object sender, EventArgs e)
        {
            Lexer();
        }

        //add CategoryCodes
        public static int CategoryCode(String charCollection)
        {
            switch (charCollection)
            {
                case "else": return 0;
                case "void": return -1;
                case "include": return -2;
                case "main": return 1;
                case "int": return 2;
                case "float": return 3;             
                case "printf": return 4;
                case "if": return 5;
                case "for": return 6;
                case "while": return 7;
                case "do": return 8;
                case "return": return 9;
                case "break": return 10;
                case "continue": return 11;
                case "+": return 12;
                case "-": return 13;
                case "*": return 14;
                case "/": return 15;
                case ">": return 16;
                case "<": return 17;
                case ">=": return 18;
                case "<=": return 19;
                case "!=": return 20;
                case "==": return 21;
                case "++": return 22;
                case "--": return 23;
                case "=": return 24;
                case "(": return 25;
                case ")": return 26;
                case "{": return 27;
                case "}": return 28;
                case "[": return 29;
                case "]": return 30;
                case "'": return 31;
                case ",": return 32;
                case ".": return 33;
                case ";": return 34;
                case ":": return 35;
                case "//": return 36;
                case @"\": return 37;
                case @"\\": return 38;
                case "&": return 39;
                case "&&": return 40;
                case "|": return 41;
                case "||": return 42;
                case "!": return 43;
                case @"%": return 44;
                case "#": return 45;
                
                default: return 46;
            }
        }

        int isSuccessParser = 0;
        private void buttonParser_Click(object sender, EventArgs e)
        {
            Lexer();
            if (subStringCollection.Count > 12)
            {
                syntaxAnalyser parser = new syntaxAnalyser(richTextBoxStatus);
                parser.AnalyseCode();
                isSuccessParser = parser.isSuccess;
            }
            else
                richTextBoxStatus.Text+="the code is not complete!\n";
        }

        
        private void button3_Click(object sender, EventArgs e)
        {
            if (isSuccessParser == 0)
                MessageBox.Show("parsing is not passed!");
            else
            {
                semAnalysis sem = new semAnalysis();
                sem.IsVarible();
                richTextBoxStatus.Text += "\n已定义变量：" + sem.VariableStack;
                richTextBoxStatus.Text += "\n重定义变量：" + sem.reDefine;
                richTextBoxStatus.Text += "\n未定义变量：" + sem.unDefine;
            }
        }

        private void button4_Click(object sender, EventArgs e)
        {
            MessageBox.Show("have not yet to implement!");
        }

        private void richTextBoxStatus_TextChanged(object sender, EventArgs e)
        {
            richTextBoxStatus.Text = "";
        }

        private void richTextBoxReadin_TextChanged(object sender, EventArgs e)
        {
            richTextBoxReadin.Text = "";
        }

        private void richTextBoxAnaliseOut_TextChanged(object sender, EventArgs e)
        {
            richTextBoxAnaliseOut.Text = "";
        }

        private void button5_Click(object sender, EventArgs e)
        {
            richTextBoxStatus.Text = "";
        }
        
        
        private void button7_Click(object sender, EventArgs e)
        {
            
            Form form1 = new Form();
            RichTextBox rich = new RichTextBox();
            rich.Text = richTextBoxStatus.Text;
            rich.Dock = System.Windows.Forms.DockStyle.Fill;
            form1.Controls.Add(rich);
            form1.Show();
        }



      

        
        
    }
}