public object VisitFunctionStmt(Stmt.Function stmt)
{
LoxFunction function = new LoxFunction(stmt, environment, false);
environment.Define(stmt.Name.Lexeme, function);
return(null);
}
public Void VisitFunctionStmt(Stmt.Function stmt)
{
var function = new LoxFunction(stmt, _environment, false);
_environment.Define(stmt.Name.Lexeme, function);
return(null);
}
public Void VisitFunctionStmt(Stmt.Function stmt)
{
Declare(stmt.Name);
Define(stmt.Name);
ResolveFunction(stmt, FunctionType.FUNCTION);
return(null);
}
public object Visit(Stmt.Function _function)
{
Declare(_function.name);
Define(_function.name);
ResolveFunction(_function, FunctionType.FUNCTION);
return(null);
}
private void ResolveFunction(Stmt.Function function, FunctionType type)
{
var enclosingFunction = _currentFunction;
_currentFunction = type;
BeginScope();
foreach (var param in function.Parameters)
{
Declare(param);
Define(param);
}
Resolve(function.Body);
EndScope();
_currentFunction = enclosingFunction;
}
private void ResolveFunction(Stmt.Function function, FunctionType type)
{
FunctionType enclusingFunction = currentFunction;
currentFunction = type;
BeginScope();
foreach (var param in function.Params)
{
Declare(param);
Define(param);
}
Resolve(function.body);
EndScope();
currentFunction = enclusingFunction;
}
private void ResolveFunction(Stmt.Function function, FunctionType type)
{
FunctionType enclosingFunction = currentFunction;
currentFunction = type;
BeginScope();
if (function.isStatic && type == FunctionType.INITIALIZER && function.parameters.Any())
{
Lox.Error(function.name, $"Static initializer should not take any parameters.");
}
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.closure = closure;
this.isInitializer = isInitializer;
this.declaration = declaration;
}
public LoxFunction(Stmt.Function declaration, Environment closure, bool isInitializer)
{
_closure = closure;
_declaration = declaration;
_isInitializer = isInitializer;
}
public string VisitFunctionStmt(Stmt.Function stmt)
{
throw new NotImplementedException();
}
public string VisitFunctionStmt(Stmt.Function stmt) => throw new System.NotImplementedException();
