From: Peter Weldon <redmine@...>
Date: 2010-08-21T02:46:38+09:00
Subject: [ruby-core:31803] [Bug #3723] Remove unused control frame variable: rb_control_frame_t.block_iseq

Issue #3723 has been updated by Peter Weldon.


I apologise, I did not understand the connection between rb_control_frame_t and rb_block_t. I see now that these macros are used to access rb_control_frame_t members via a rb_block_t:

vm_core.h:
#define RUBY_VM_GET_BLOCK_PTR_IN_CFP(cfp) ((rb_block_t *)(&(cfp)->self))
#define RUBY_VM_GET_CFP_FROM_BLOCK_PTR(b) \
  ((rb_control_frame_t *)((VALUE *)(b) - 5))

The rb_control_frame_t comments in vm_core.h now also make sense to me. Thank you for helping me understand.


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http://redmine.ruby-lang.org/issues/show/3723

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