public FiniteStateMachine(GrammarRules grammarRules, Preprocessor preprocessor, bool isClr)
{
_grammarRules = grammarRules;
_isClr = isClr;
States = new HashSet <State>();
_preprocessor = preprocessor;
}
public LeftToRight_RightMost_Zero(GrammarRules grammarRules, LRType lrType, Preprocessor preprocessor)
{
_grammarRules = grammarRules;
_lrType = lrType;
_preprocessor = preprocessor;
MapperToNumber = new MapperToNumber(_grammarRules);
FiniteStateMachine = new FiniteStateMachine(_grammarRules, _preprocessor, lrType == LRType.ClR_One);
Nodes = new Stack <TreeNode>();
}
public LeftToRight_LookAhead_One(GrammarRules grammarRules, IProgress <ParseReportModel> progress)
{
treeNodes = new Stack <TreeNode>();
BaseNode = new TreeNode(grammarRules.HeadVariable, _orderId);
treeNodes.Push(BaseNode);
_grammarRules = grammarRules;
_progress = progress;
MapperToNumber = new MapperToNumber(_grammarRules);
}
private void btnParseGrammar_Click(object sender, EventArgs e)
{
listBoxGrammar.Items.Clear();
listBoxFirst.Items.Clear();
if (string.IsNullOrEmpty(txtgrammarFile.Text))
{
MessageBox.Show("Grammar file is empty!");
return;
}
var text = File.ReadAllText(txtgrammarFile.Text);
LexicalAnalyzer lex = new LexicalAnalyzer(text);
RestartStopWatch();
_grammarRules = lex.TokenizeGrammar();
_stopwatch.Stop();
lblTime.Text = $"Tokenizing process took {_stopwatch.ElapsedMilliseconds} ms.";
foreach (ISymbol symbol in _grammarRules.SymbolList)
{
if (symbol.SymbolType == SymbolType.Variable)
{
listBoxGrammar.Items.Add(((Variable)symbol).ShowRules());
}
}
}
public MapperToNumber(GrammarRules grammarRules)
{
_grammarRules = grammarRules;
MapTerminalToNumber = new Dictionary <string, int>();
MapVariableToNumber = new Dictionary <string, int>();
}
public SyntaxRules(string value, int type)
{
_value = value;
_type = (GrammarRules)type;
}
public LexicalAnalyzer(string data)
{
Data = data;
_grammarRules = new GrammarRules();
}
public Preprocessor(GrammarRules grammarRules)
{
GrammarRules = grammarRules;
}