public static Expression <Func <T1, T2> > Apply <T1, T2, T3>(this Expression <Func <T1, T2, T3> > expression, T1 value)
{
var visitor = new SampleVisitor(expression.Parameters[0], Expression.Constant(value, typeof(T1)));
var result = Expression.Lambda <Func <T1, T2> >(
visitor.Visit(expression.Body),
expression.Parameters.Skip(1)
);
return(result);
}
public ScopeContext RunCode(string code)
{
var logger = NullLogger.Instance;
var inputStream = new AntlrInputStream(code);
var speakLexer = new SimpleGrammarLexer(inputStream);
var commonTokenStream = new CommonTokenStream(speakLexer);
var parser = new SimpleGrammarParser(commonTokenStream);
parser.AddErrorListener(new EL());
var chatContext = parser.calc();
var visitor = new SampleVisitor(logger);
visitor.Visit(chatContext);
return(visitor.ReturnResult);
}
public void ExecuteCode()
{
var inputStream = new AntlrInputStream(_code);
var speakLexer = new SimpleGrammarLexer(inputStream);
var commonTokenStream = new CommonTokenStream(speakLexer);
var parser = new SimpleGrammarParser(commonTokenStream);
parser.AddErrorListener(new EL(_logger));
var chatContext = parser.calc();
var visitor = new SampleVisitor(_logger);
try
{
visitor.Visit(chatContext);
}
catch (Exception ex)
{
_logger.LogError(ex.Message);
}
_logger.LogDebug(visitor.ReturnResult.Value?.ToString() ?? "");
}