From: nobu.nokada@...
Date: 2002-05-30T00:23:33+09:00
Subject: Re: possible bug: stack dump with <<-String, #{...} and large loops

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Hi,

At Wed, 29 May 2002 21:09:38 +0900,
ts wrote:
>  If you look at [ruby-core:00042]
> 
>    dyna_push() is the compile time part, but because it's in
>    top_local_init() it will not affect ruby_dyna_vars *after* NODE_DSTR
>    (more precisely after compile()), this is why `x' will not be a dynamic
>    variable
> 
>    ruby_eval_tree = block_append(ruby_eval_tree, 
>                                  NEW_DASGN(0, NEW_LIT(0)));
> 
>    this is the run time part, and if you look at NEW_DASGN you'll see that
>    this pseudo-dynamic variable (0, 0) is created *only* if it don't exist

NODE_DASGN always makes ruby_dyna_vars non-null.  Ok, I
certainly forgot to clean ruby_dyna_vars when no dvar created
in string extension.  With attached patch,

  "#{1}"
  eval "x = 10"
  eval "defined? x"	#=> "local-variable" not in-block.


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-- 
Nobu Nakada

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