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Valid way to exclude specific consrutctions(for ex. loops) #46

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alexander-petuhov opened this issue Mar 1, 2018 · 1 comment
Open

Valid way to exclude specific consrutctions(for ex. loops) #46

alexander-petuhov opened this issue Mar 1, 2018 · 1 comment
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enhancement pr welcome

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@alexander-petuhov
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Hello. We are thinking about excluding some specific constructions from parsing - for example loops. I saw there are limitation abilities in "Safe parser" documentation section https://github.com/lunet-io/scriban/blob/master/doc/runtime.md#safe-runtime which can help to limit them, but is there valid way to forbid some of them at all? Thanks.
@xoofx
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xoofx commented Mar 1, 2018

Unfortunately, there is nothing builtin. You can always iterate on the AST and remove the loops (but there is no a visitor pattern currently provided, so you have to manually go through the statements). If you feel to have this at parse time, feel free to send a PR, modifying the ParserOptions and the Parser to discard loop after parsing them (and log an error).

@thomaslevesque thomaslevesque mentioned this issue Aug 1, 2019
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@xoofx @alexander-petuhov