private static void ReadPrograms()
{
Console.Write("Give path to grammar: ");
string path = Console.ReadLine();
Grammar g = new Grammar(path);
Dictionary <string, Dictionary <string, Rule> > parseTable = ParsingAlgorithm.ParseTable(g);
bool keepAlive = true;
while (keepAlive)
{
Console.Write("Type:\n\t'1'-Read Program\n\t'0'-Go Back\nGive command: ");
string option = Console.ReadLine();
switch (option.Trim())
{
case "1":
AnalyseProgram(g, parseTable);
break;
case "0":
keepAlive = false;
break;
default:
Console.WriteLine("Invalid command.");
break;
}
}
}
private static void AnalyseProgram(Grammar g, Dictionary <string, Dictionary <string, Rule> > parseTable)
{
Console.Write("Give path to program: ");
string path = Console.ReadLine();
string program = File.ReadAllText(path);
SymbolTable sti = new SymbolTable();
SymbolTable stc = new SymbolTable();
ProgramInternalForm pif = new ProgramInternalForm();
LexicalAnalyzer.Analyze(program, sti, stc, pif);
Console.WriteLine(pif);
List <int> result = ParsingAlgorithm.LL1(parseTable, g, pif);
if (result != null)
{
Console.WriteLine("Sequence accepted!\n");
foreach (int index in result)
{
Console.Write(index + " ");
}
Console.WriteLine("\n");
}
else
{
Console.WriteLine("Sequence NOT accepted!\n");
}
}
private static void AnalyseSequence(Grammar g, Dictionary <string, Dictionary <string, Rule> > parseTable)
{
Console.Write("Give sequence: ");
string sequence = Console.ReadLine();
List <int> result = ParsingAlgorithm.LL1(parseTable, g, sequence);
if (result != null)
{
Console.WriteLine("Sequence accepted!\n");
foreach (int index in result)
{
Console.Write(index + " ");
}
Console.WriteLine("\n");
}
else
{
Console.WriteLine("Sequence NOT accepted!\n");
}
}