检查 lisp SLIME 调试器中的变量
我试图在确定的断点处检查变量的值。这是我的简化代码：
(defun foo ()
(maplist (lambda (var)
(break)
var)
'(a b c)))
slime 此时进入调试器模式。所以我尝试按“:”或“e”键进行评估，然后输入“(car var)”，但史莱姆一直说：
变量 VAR 未绑定。 [UNBOUND-VARIABLE 类型的条件]
我很困惑为什么这么说，因为“(break)”位于匿名函数内并且在“var”的范围内。
I am trying to inspect the value of a variable at a determined breakpoint. Here is my simplified code:
(defun foo ()
(maplist (lambda (var)
(break)
var)
'(a b c)))
slime goes into debugger mode at this point. So I try to eval by pressing either the ":" or the "e" key and then I type "(car var)", but slime keeps on saying:
The variable VAR is unbound.
[Condition of type UNBOUND-VARIABLE]
I am confused as to why it's saying this since "(break)" is within the anonymous function and within the scope of "var".
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这对我在 CCL 和 CLisp 下有效。我认为这是否有效取决于您的实现，也许还取决于您的 OPTIMIZE 设置。您可以尝试：
之后您必须重新编译代码才能生效。
或者，如果您的实现支持解释，您可以尝试这样做，因为某些实现为解释代码提供了比编译代码更好的调试可能性。
That works for me under CCL and CLisp. I think whether this works depends on your implementation, and maybe your
OPTIMIZEsettings. You could try:You'll have to recompile your code afterwards for it to take effect.
Or maybe, if your implementation supports interpretation, you could try that, since some implementations provide better debugging possibilities for interpreted than for compiled code.