public State(ParsHead head)
{
count=0;
parsHead=head;
first=new StateNode(0);
first.laws.add(0,0);
this.stateTravers(first);
}
public nonTerminals(ParsHead PH)
{
this.parent = PH;
first=null;
}
private void MakeParseTable_Click(object sender, System.EventArgs e)
{
try
{
this.parsHead = new ParsHead();
foreach(string s in content.Lines)
this.parsHead.load(s);
}
catch(Exception ee)
{
MessageBox.Show(ee.Message);
}
}
private void tabControl1_SelectedIndexChanged(object sender, System.EventArgs e)
{
try
{
if(tabControl1.SelectedIndex==1)//first follow
{
this.parsHead = new ParsHead();
foreach(string s in content.Lines)
this.parsHead.load(s);
this.comboxNonTerm.Items.Clear();
nonTerminalNode temp=this.parsHead.Head.NonTerminalHead;
if(temp==null)
return;
else
temp=temp.next;
while(temp!=null)
{
this.comboxNonTerm.Items.Add(temp.item.Name);
temp=temp.next;
}
if(this.comboxNonTerm.Items.Count!=0)
this.comboxNonTerm.SelectedIndex=0;
}
else
{
if(tabControl1.SelectedIndex==2)
{
result.Items.Clear();
if(this.parsTable!=null)
{
this.parsTable.showContents(this.result);
PrintProductions();
this.terminalCnt.Text="Count Terminals: "+this.parsHead.TerminalCount.ToString();
this.nonTerminalCnt.Text="Count of NonTerminals: "+this.parsHead.Head.NonTerminalCount;
this.lawCnt.Text="Count of Laws: "+parsHead.LawCount.ToString();
this.stateCnt.Text="Count of States:"+states.StateCount.ToString();
}
}
}
}
catch(Exception ee)
{
MessageBox.Show(ee.Message);
}
}
private void New_Click(object sender, System.EventArgs e)
{
if(saveConfirm(sender,e))
{
this.content.Clear();
this.Text="New Grammer";
this.path="";
this.parsTable = null;
this.parsHead = null;
this.result.Items.Clear();
this.lstFirstFollow.Items.Clear();
}
}
private void MakeStates_Click(object sender, System.EventArgs e)
{
try
{
result.Items.Clear();
parsHead=new ParsHead();
foreach(string s in content.Lines)
parsHead.load(s);
states=new State(parsHead);
states.create();
parsTable=new ParsTable(states.StateCount,ParsHead.terminals,parsHead.Head,this.dgTabel);
states.makeParsTable(this.parsTable);
parsTable.showContents(result);
PrintProductions();
tabControl1.SelectedIndex=2;
parsTable.writeGrid();
SaveFileDialog saveDlg=new SaveFileDialog();
saveDlg.Filter="(*.prt)|*.prt";
if(saveDlg.ShowDialog()==DialogResult.OK)
{
StreamWriter sw = new StreamWriter(saveDlg.FileName);
foreach (string s in result.Items)
sw.WriteLine(s);
sw.Close();
// parsTable.saveTo(sw);
}
}
catch(Exception ex)
{
// MessageBox.Show(ex.Message);
MessageBox.Show("Grammar is incorrect : please check your grammar , example : There is one NonTerminal in Right side that never apear in left side!!!");
}
}
