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implementing_parser_and_psi.md: note "Non-platform TokenSet declared in ParserDefinition" inspection

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Yann Cébron 2023-10-05 14:22:05 +02:00
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topics/reference_guide/custom_language_support/implementing_parser_and_psi.md
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@ -22,7 +22,10 @@ The top-level node of the PSI tree for a file needs to implement the [`PsiFile`]
**Example**:
[`ParserDefinition`](%gh-ic%/plugins/properties/properties-psi-impl/src/com/intellij/lang/properties/parsing/PropertiesParserDefinition.java) for [Properties language plugin](%gh-ic%/plugins/properties)
> To avoid unnecessary classloading when initializing the `ParserDefinition` extension point implementation, all `TokenSet` return values should use constants from dedicated `$Language$TokenSets` class.
> To avoid unnecessary classloading when initializing the `ParserDefinition` extension point implementation, all `TokenSet` return values should use constants from a dedicated `$Language$TokenSets` class.
>
> See also inspection <control>Plugin DevKit | Code | Non-platform TokenSet declared in ParserDefinition</control> (2023.3).
>
{style="note"}
The PSI's lifecycle is described in more detail in [Fundamentals](fundamentals.md).