[PR] [backport maven-4.0.x] Support the logical not operator in profile activation conditions [maven]

["gnodet (via GitHub)" <gi...@apache.org>]

gnodet opened a new pull request, #12799:
URL: https://github.com/apache/maven/pull/12799

   ## Backport of #12737
   
   Cherry-pick of #12737 onto `maven-4.0.x`.
   
   **Original PR:** #12737 - Support the logical not operator in profile activation conditions
   **Original author:** @SEPURI-SAI-KRISHNA
   **Target branch:** `maven-4.0.x`
   
   ### Original description
   
   Adds handling for the `!` operator to `ConditionParser.parseUnary()`.
   
   The tokenizer already treats `!` as an operator and emits a bare `!` token, but no parser rule
   consumed it. Writing the natural form of a negated condition (`!exists('some/path')`) failed
   with `Unknown variable: !`.
   
   `!` is defined as sugar for the `not()` function that already exists, using the same
   `toBoolean()` coercion. It is handled in `parseUnary()`, giving it the same precedence as
   in Java: tighter than arithmetic, comparison, `&&` and `||`.
   
   `!=` is unaffected -- the tokenizer emits it as a single token before a bare `!` can be produced.
   
   Fixes #12736


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Re: [PR] [backport maven-4.0.x] Support the logical not operator in profile activation conditions [maven]

["gnodet (via GitHub)" <gi...@apache.org>]

gnodet merged PR #12799:
URL: https://github.com/apache/maven/pull/12799


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