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[doc] How to implement a custom XPath function for a language #4807

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adangel opened this issue Jan 25, 2024 · 0 comments

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an:enhancement in:documentation

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adangel commented Jan 25, 2024 •

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PMD provides a couple of custom XPath functions, that can be called, see
https://docs.pmd-code.org/latest/pmd_userdocs_extending_writing_xpath_rules.html#pmd-extension-functions

However, there is no documentation available yet, that describes, how to implement/add such a custom function for your own language or for existing languages.
It should be added e.g. here https://docs.pmd-code.org/snapshot/pmd_devdocs_major_adding_new_language_javacc.html#xpath-integration

Important classes:

net.sourceforge.pmd.lang.rule.xpath.impl.XPathHandler
net.sourceforge.pmd.lang.rule.xpath.impl.XPathFunctionDefinition

Related issues:

[core] XPath cleanups #4804

adangel added an:enhancement in:documentation labels

adangel mentioned this issue

[core] XPath cleanups #4804

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