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ruby - 调用堆栈 "around"ruby​​ 代码

转载 作者:数据小太阳 更新时间:2023-10-29 08:58:23 28 4
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我有一行带有重载方法的 Ruby 代码。我想显示该行的调用堆栈。我不知道 callerbyebug 的位置。我想显示执行后该行的当前调用堆栈,并找到调试的地方。我该怎么做?

大致类似于caller Test.method,之后:

    from /var/lib/gems/2.3.0/gems/railties-4.2.3/lib/rails/commands/console.rb:110:in `start'
from /var/lib/gems/2.3.0/gems/railties-4.2.3/lib/rails/commands/console.rb:9:in `start'
from /var/lib/gems/2.3.0/gems/railties-4.2.3/lib/rails/commands/commands_tasks.rb:68:in `console'
from /var/lib/gems/2.3.0/gems/railties-4.2.3/lib/rails/commands/commands_tasks.rb:39:in `run_command!'
from /var/lib/gems/2.3.0/gems/railties-4.2.3/lib/rails/commands.rb:17:in `<top (required)>'

最佳答案

虽然不完全一样,但非常相似。

您可以使用方法方法。例如

2.method(:hours)
=> #<Method: Fixnum(Numeric)#hours>

或者可能更详细

2.method(:hours).source_location
=> ["~/.rvm/gems/ruby-2.3.3/gems/activesupport-4.2.7.1/lib/active_support/core_ext/numeric/time.rb", 29]

然后你可以使用调试器(如果可能)或更深入

此答案中的另一个细节 How to find where a method is defined at runtime?

关于ruby - 调用堆栈 "around"ruby​​ 代码,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/43364159/

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