public double Run(List <Function> p)
{
if (p.Count <Function>() != this.parameters.Count <Function>())
{
throw new Exception("parameter error");
}
else
{
string code = this.Code;
for (int a = 0; a < this.parameters.Count; a++)
{
code = code.Replace(this.parameters[a].Name, p[a].Code);
}
AntlrInputStream runStream = new AntlrInputStream(code);
CalcLexer lexer = new CalcLexer(runStream);
CommonTokenStream tokens = new CommonTokenStream(lexer);
CalcParser parser = new CalcParser(tokens);
IParseTree tree = parser.prog();
CalcVisitor visitor = new CalcVisitor(new SortedSet <Variable>(), new SortedSet <Function>());
double res = visitor.Visit(tree);
return(res);
}
}
static void Main(string[] args)
{
SortedSet <Variable> variables = new SortedSet <Variable>();
SortedSet <Function> functions = new SortedSet <Function>();
variables.Add(new Variable("ANS", 666));
while (true)
{
Console.Write(">> ");
StreamReader inputStream = new StreamReader(Console.OpenStandardInput());
try
{
AntlrInputStream input = new AntlrInputStream(inputStream.ReadLine());
if (input.ToString().Contains("\u001a") || input.ToString().Contains("\u0004"))
{
break;
}
CalcLexer lexer = new CalcLexer(input);
CommonTokenStream tokens = new CommonTokenStream(lexer);
CalcParser parser = new CalcParser(tokens);
IParseTree tree = parser.prog();
//Console.WriteLine(tree.ToStringTree(parser));
CalcVisitor visitor = new CalcVisitor(variables, functions);
Console.WriteLine(visitor.Visit(tree));
}
catch (System.NullReferenceException e)
{
break;
}
}
Console.WriteLine("end");
}
