private object EvaluateFunctionStatement(FunctionStatement expr)
{
var function = new LoxFunction(expr, _environment, false);
_environment.Define(expr.Name.Lexeme, function);
return(null);
}
private void ResolveFunction(FunctionStatement expr, FunctionType type)
{
var enclosingFunction = _currentFunction;
_currentFunction = type;
BeginScope();
foreach (var param in expr.Parameters)
{
Declare(param);
Define(param);
}
Resolve(expr.Body);
EndScope();
_currentFunction = enclosingFunction;
}
public LoxFunction(FunctionStatement declaration, Environment closure, bool isInitializer)
{
_declaration = declaration;
_closure = closure;
_isInitializer = isInitializer;
}
private void ResolveFunctionStatement(FunctionStatement expr)
{
Declare(expr.Name);
Define(expr.Name);
ResolveFunction(expr, FunctionType.Function);
}