[ruby-core:62403] [ruby-trunk - Feature #9805] [Open] Backtrace for SystemStackError

Issue #9805 has been reported by Tsuyoshi Sawada.

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Feature #9805: Backtrace for SystemStackError
https://bugs.ruby-lang.org/issues/9805

* Author: Tsuyoshi Sawada
* Status: Open
* Priority: Normal
* Assignee: 
* Category: 
* Target version: 
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The following code:

    def a; a end
    begin
      a
    rescue => e
    puts  e.backtrace.inspect
    end

only returns a single line of backtrace like:

    /tmp/scratch:3:in `a'

but this is not helpful when debugging. It would be better if some limit be set by configuration, and the backtrace is displayed as far as possible within the limit, so the case above would become:

    /tmp/scratch:3:in `a'
    /tmp/scratch:3:in `a'
    /tmp/scratch:3:in `a'
    ... # repeated as many times as the limit set
    /tmp/scratch:3:in `a'

I believe the same question was asked here: https://bugs.ruby-lang.org/issues/6216, but the code posted by the poster was unnecessarily long and complex that the intent was not clear to many people.



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