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even more comments

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~d6 2022-01-30 19:26:16 -05:00
parent 0024bc4882
commit b7eaafcb3e
1 changed files with 8 additions and 0 deletions
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regex.tal
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@ -408,6 +408,10 @@
( ) ( )
( the stack can be cleared using ;reset-stack, which resets ) ( the stack can be cleared using ;reset-stack, which resets )
( the stack pointers but does not zero out any memory. ) ( the stack pointers but does not zero out any memory. )
( )
( stack size is 4096 bytes here but is configurable. )
( in some cases it could be very small but this will limit )
( how many branches can be parsed and executed. )
( push 4 bytes onto the stack ) ( push 4 bytes onto the stack )
@push4 ( str* regex* -> ) @push4 ( str* regex* -> )
@ -466,6 +470,10 @@
( the arena is used to allocate regex graph nodes, which are ) ( the arena is used to allocate regex graph nodes, which are )
( dynamically-allocated as the regex string is parsed. once ) ( dynamically-allocated as the regex string is parsed. once )
( a regex is no longer needed the arena may be reclaimed. ) ( a regex is no longer needed the arena may be reclaimed. )
( )
( arena size is 1024 bytes here but is configurable. )
( smaller sizes would likely be fine but will limit the )
( overall complexity of regexes to be parsed and executed. )
( reclaim all the memory used by the arena ) ( reclaim all the memory used by the arena )
@reset-arena ( -> ) @reset-arena ( -> )