[jdk19] RFR: 8289486: Improve XSLT XPath operators count efficiency

[Joe Wang]

To improve efficiency, this patch moves the limit check to within the Lexer and reports any overlimit situation as soon as it happens.

Test: java.xml tests passed.

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Commit messages:
 - 8289486: Improve XSLT XPath operators count effiency

Changes: https://git.openjdk.org/jdk19/pull/101/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk19&pr=101&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8289486
  Stats: 49 lines in 2 files changed: 21 ins; 4 del; 24 mod
  Patch: https://git.openjdk.org/jdk19/pull/101.diff
  Fetch: git fetch https://git.openjdk.org/jdk19 pull/101/head:pull/101

PR: https://git.openjdk.org/jdk19/pull/101