Which is why Perl programmers use macros, to hide the complexity.

I guess this is code from the preamble to an XS sub that marks the Perl stack, or maybe code from the end of an XS sub that restores the previous stack state. If you show the original macros, it's maybe easier to explain.

In reply to Re^3: Perl 5 interpreter by Corion
in thread Perl 5 interpreter by Anonymous Monk

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