public Nothing VisitFunctionStmt(Stmt.Function stmt)
{
Declare(stmt.Name);
Define(stmt.Name);
ResolveFunction(stmt, FunctionType.Function);
return(Nothing.AtAll);
}
public Nothing VisitFunctionStmt(Stmt.Function stmt)
{
LoxFunction function = new LoxFunction(stmt, environment, false);
environment.Define(stmt.Name.Lexeme, function);
return(Nothing.AtAll);
}
private void ResolveFunction(Stmt.Function function, FunctionType type)
{
FunctionType enclosingFunction = currentFunction;
currentFunction = type;
BeginScope();
foreach (var param in function.Parameters)
{
Declare(param);
Define(param);
}
Resolve(function.Body);
EndScope();
currentFunction = enclosingFunction;
}
public LoxFunction(Stmt.Function declaration, Environment closure, bool isInitializer)
{
this.declaration = declaration;
this.closure = closure;
this.isInitializer = isInitializer;
}