public object VisitFunctionStmt(Stmt.Function stmt)
{
Declare(stmt.Name);
Define(stmt.Name);
ResolveFunction(stmt, FunctionType.FUNCTION);
return(null);
}
public object VisitFunctionStmt(Stmt.Function stmt)
{
LoxFunction function = new LoxFunction(stmt, _environment, false);
if (stmt.Name != null)
{
_environment.Define(stmt.Name.Lexeme, function);
}
return(null);
}
private void ResolveFunction(Stmt.Function function, FunctionType type)
{
FunctionType enclosingFunction = _currentFunction;
_currentFunction = type;
BeginScope();
foreach (Token parameter in function.Parameters)
{
Declare(parameter);
Define(parameter);
}
Resolve(function.Body);
EndScope();
_currentFunction = enclosingFunction;
}
public LoxFunction(Stmt.Function declaration, Environment closure, bool isInitializer)
{
_declaration = declaration;
_closure = closure;
_isInitializer = isInitializer;
}
