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Add `return` hook with interrupt #112

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robcxyz opened this issue Dec 3, 2022 · 0 comments

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robcxyz commented Dec 3, 2022

Right now there is no way to gracefully stop parsing without exiting completely. For instance:

<-: 
  exec: 
    foo: bar 
    # Run some hook to return 
    exit->: return --if foo=='bar'    # Not possible 
    some: other context

It is not simple to do this as the parser will continue to parse unless it has been given some kind of interrupt to tell it to stop parsing.

Couple options:

Add a bool INTERRUPT variable in parser and check that when in walk_sync to stop parsing
Add bool field in Context from hook and check that

Would additionally need to load that into the context when parsing hook

Option 1 seems like the most reasonable

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