Dmitri Blinov created JEXL-237:
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Summary: Ability to restrict usage of certain names when declaring
local variables
Key: JEXL-237
URL: https://issues.apache.org/jira/browse/JEXL-237
Project: Commons JEXL
Issue Type: Wish
Affects Versions: 3.1
Reporter: Dmitri Blinov
Priority: Minor
One of the errors the scriptwriter usually makes is an accidental override of
certain context variables with his own local variables, which leads to nasty
bugs detected only when script is executed. As of now there is only a small
list of reserved words that can not be used as a valid variable name, and it is
restricted to basic Jexl syntax keywords. When Jexl syntax is extended with
custom functions and predefined context variables, its much easier for a local
variable name to clash with predefined name, thus altering script execution
further on. To exclude those errors it is needed that a custom name
verification would exist, prohibiting the scripts from be successfully parsed.
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