static void Main(string[] args)
{
//var funcAST = new FunctionASTNode( new Token( Token.TokenType.Identifier, 0, "Good_Func_1"));
//var arg = new NumberASTNode( new Token(Token.TokenType.Number,0, "5"));
//funcAST.ArgumentNodes.Add( arg );
var expEngine = new ExpressionEngine();
expEngine.AddFunctions <MyFunctions>( );
var result1 = expEngine.Evaluate("Good_Func_1( 5 )");
var result2 = expEngine.Evaluate("Good_Func_2( 5, 5 )");
}
static void Main(string[] args)
{
var expression = "1 + 2 - 3 * 4 / 5";
var lexer = new Lexer(new SourceScanner(expression));
Console.WriteLine($"Lexing expression: {expression}");
Token token = null;
do
{
token = lexer.ReadNext( );
Console.WriteLine($"Found Token Type {token.Type} at Position {token.Position} with a value of {token.Value}");
} while(token.Type != Token.TokenType.EOE);
var expressions = new string[] {
"1 + 2", //3
"2 * 3", //5
"1 + 2 * 3", //7
"1",
"1 / 2"
};
var expressionEngine = new ExpressionEngine();
foreach (var e in expressions)
{
Console.WriteLine($"{e} = {expressionEngine.Evaluate( e )}");
}
}