static void Main(string[] args)
{
string parsedString = "1024 + 256";
var inputStream = new AntlrInputStream(parsedString);
var lexer = new Combined1Lexer(inputStream);
var commonTokenStream = new CommonTokenStream(lexer);
var parser = new Combined1Parser(commonTokenStream);
var graphContext = parser.operation();
Console.WriteLine(graphContext.ToStringTree());
}
public static string Evaluate(string expression, int var)
{
MNRProgram Prog = new MNRProgram(var);
var lexer = new Combined1Lexer(new AntlrInputStream(expression));
lexer.RemoveErrorListeners();
lexer.AddErrorListener(new ThrowExceptionErrorListener());
var tokens = new CommonTokenStream(lexer);
var parser = new Combined1Parser(tokens);
var tree = parser.compileUnit();
var visitor = new Combined1Visitor(Prog, var);
visitor.Visit(tree);
return(Prog.GetProgram());
}
void Main(string[] args)
{
var code = "3 - (4)";
var antlrInputStream = new AntlrInputStream(code);
var lexer = new Combined1Lexer(antlrInputStream);
var cts = new CommonTokenStream(lexer);
var parser = new Combined1Parser(cts);
var visitor = new MyVisitor();
Console.WriteLine(visitor.Visit(parser.expression()));
Console.ReadKey();
}
static void Main(string[] args)
{
string text = "";
// to type the EOF character and end the input: use CTRL+D, then press <enter>
text = File.ReadAllText("input.txt");
AntlrInputStream inputStream = new AntlrInputStream(text.ToString());
Combined1Lexer speakLexer = new Combined1Lexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(speakLexer);
Combined1Parser speakParser = new Combined1Parser(commonTokenStream);
IParseTree tree = speakParser.compileUnit();
AstNodePrinter.Print(tree);
//Console.WriteLine(tree.ToStringTree());
//ParseTreeWalker walker = new ParseTreeWalker();
//walker.Walk(new TestWalker(), tree);
}
static void Main(string[] args)
{
var code = "3 - (4)";
var antlrInputStream = new AntlrInputStream(code);
var lexer = new Combined1Lexer(antlrInputStream);
var cts = new CommonTokenStream(lexer);
var parser = new Combined1Parser(cts);
var dynamicMethod = new DynamicMethod("test", typeof(int), Type.EmptyTypes);
var il = dynamicMethod.GetILGenerator();
var visitor = new MyVisitor(il);
visitor.Visit(parser.expression());
il.Emit(OpCodes.Ret);
var method = (Func <int>)dynamicMethod.CreateDelegate(typeof(Func <int>));
Console.WriteLine(method());
Console.ReadKey();
}
