form1.cs

c--解释器

using System;
using System.Threading;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Collections;
using compiler;

namespace compiler
{
    public partial class Form1 : Form
    {
        Tree tree = null; 
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            

        }

        private void scanner_Click(object sender, EventArgs e)
        {
            try
            {
                console.Text = "";
                string[] read = new string[sources.Lines.Length];
                read = sources.Lines;
                
                // start first pass
                FirstPass fp = new FirstPass(read);

                if (fp.fill())
                {
                    foreach (Token tk in fp.getTokens())
                    {

                        string temp = tk.getValue();
                        string temp2 = temp == ";" ? "    " + temp + "\n" : "    " + temp;

                        console.Text += temp2;
                    }
                }
                else 
                {
                    string temp = "There is a mistake at row " + fp.getRow() +"    "+ "column " + (fp.getColumn()-1);
                    console.Text = temp + "\n";
                }
            
            }catch(Exception ef){
                Console.WriteLine(ef.ToString());
            }


        }

        private void parser_Click(object sender, EventArgs e)
        {
            console.Text = "";
            string[] read = new string[sources.Lines.Length];
            read = sources.Lines;

            // start first pass
            FirstPass fp = new FirstPass(read);

            
            //词法正确 再做语法 
            if (fp.fill())
                {
                  //语法正确再输出树
                  if(fp.parser() && fp.isAnyError() )
                  {
                      Tree theTree = fp.getTree();
                     
                      console.Text = theTree.printTree();

                  }
                  else
                  {
                      foreach (string error in fp.getError())
                      {
                         console.Text += error+"\n";
                      }
                  }
                }
                else 
                {
                    string temp = "There is a mistake at row " + fp.getRow() +"    "+ "column " + (fp.getColumn()-1);
                    console.Text = temp + "\n";
                }
           

        }

        private void open_Click(object sender, EventArgs e)
        {
            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                System.IO.StreamReader sr = new
                   System.IO.StreamReader(openFileDialog1.FileName);

                string text = sr.ReadToEnd();
                sources.Text = "";
                sources.Text = text;
                sr.Close();
            }

        }

        private void menu_save_Click(object sender, EventArgs e)
        {
            if (saveFileDialog1.ShowDialog() == DialogResult.OK && saveFileDialog1.FileName!="") 
            {
                saveFileDialog1.Filter = "Text files (*.txt)|*.txt";

                saveFileDialog1.CreatePrompt = true;
                saveFileDialog1.OverwritePrompt = true;
                saveFileDialog1.DefaultExt = "txt";
                saveFileDialog1.InitialDirectory = "c:\\";
                sources.SaveFile(saveFileDialog1.FileName,RichTextBoxStreamType.PlainText);

            }
        }
 

        private void console_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter) 
            {
               
                string theText = console.Text;

                tree.setRead(theText);
                
            }
        }

        private void go_Click(object sender, EventArgs e)
        {
            this.console.Text = "";
           

            //Thread theThread = new Thread(new ThreadStart(this.doThread));
            //theThread.Start();

            string[] theRead = new string[sources.Lines.Length];
            theRead = sources.Lines;

            // start first pass
            FirstPass fp = new FirstPass(theRead);

            //词法正确 再做语法 
            if (fp.fill())
            {
                //语法正确再输出树
                if (fp.parser() && fp.isAnyError())
                {
                    this.tree = fp.getTree();
                    //如果语义正确 在输出执行结果

                    //确定输出
                    tree.setOut(this.console);
                    //确定提示
                    tree.remind(this.label1);
                    
                    
                    Thread theThread = new Thread(new ThreadStart(tree.secondPass));
                    theThread.Start();

                   
                }
                else
                {
                    foreach (string error in fp.getError())
                    {
                        console.Text += error + "\n";
                    }
                }
            }
            else
            {
                string temp = "There is a mistake at row " + fp.getRow() + "    " + "column " + (fp.getColumn() - 1);
                console.Text = temp + "\n";
            }
        }

    

        

        private void menu_copy_Click(object sender, EventArgs e)
        {
            // Ensure that text is selected in the text box.   
            if (this.sources.SelectionLength > 0)
            { // Copy the selected text to the Clipboard.
                sources.Copy();
            }
            else if (this.console.SelectionLength > 0)
            {
                console.Copy();
            }
        }

        private void menu_paste_Click(object sender, EventArgs e)
        {
            if (Clipboard.GetDataObject().GetDataPresent(DataFormats.Text) == true)
            {

                // Determine if any text is selected in the text box.

                if (sources.Focused == true)
                {
                    if (sources.SelectionLength > 0)
                    {
                        // Ask user if they want to paste over currently selected text.

                        // Move selection to the point after the current selection and paste.
                        sources.SelectionStart = sources.SelectionStart + sources.SelectionLength;
                    }
                    // Paste current text in Clipboard into text box.
                    sources.Paste();
                }
            }

        }

        private void menu_cut_Click(object sender, EventArgs e)
        {
            if (sources.SelectedText != "")
            {// Cut the selected text in the control and paste it into the Clipboard.
                sources.Cut();
            }
           

        }

        private void menu_undo_Click(object sender, EventArgs e)
        {
            if (sources.CanUndo == true)
            {
                // Undo the last operation.
                sources.Undo();
                // Clear the undo buffer to prevent last action from being redone.
                sources.ClearUndo();
            }

        }

        private void 新建ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            sources.Clear();
            console.Clear();
        }

       
 


      
     
       
    }
}