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PMD v6.29.0 Release Notes

• 24-October-2020 - 6.29.0

  The PMD team is pleased to announce PMD 6.29.0.

  🚀 This is a minor release.

  Table Of Contents

  • New and noteworthy
    • Updated Apex Support
    • New Rules
    • Renamed Rules
    • Deprecated Rules
  • 🛠 Fixed Issues
  • External Contributions
  • Stats

  🆕 New and noteworthy

  ⚡️ Updated Apex Support

  • 👍 The Apex language support has been bumped to version 50 (Winter '21). All new language features are now properly
    parsed and processed. Especially the Safe Navigation Operator is now supported.
    🚀 See also Salesforce Winter '21 Release Notes

  🆕 New Rules

  • The new Apex rule OperationWithLimitsInLoop (apex-performance)
    finds operations in loops that may hit governor limits such as DML operations, SOQL
    queries and more. The rule replaces the three rules "AvoidDmlStatementsInLoops", "AvoidSoqlInLoops",
    and "AvoidSoslInLoops".

  📇 Renamed Rules

  • The Java rule DoNotCallSystemExit has been renamed to
    DoNotTerminateVM, since it checks for all the following calls:
    System.exit(int), Runtime.exit(int), Runtime.halt(int). All these calls terminate
    the Java VM, which is bad, if the VM runs an application server which many independent applications.

  🗄 Deprecated Rules

  • The Apex rules AvoidDmlStatementsInLoops,
    AvoidSoqlInLoops and AvoidSoslInLoops
    🐎 (apex-performance) are deprecated in favour of the new rule
    OperationWithLimitsInLoop. The deprecated rules will be removed
    with PMD 7.0.0.

  🛠 Fixed Issues

  • apex
    • #2839: [apex] Apex classes with safe navigation operator from Winter 21 (50.0) are skipped
  • 🐎 apex-performance
    • #1713: [apex] Mark Database DML statements in For Loop
  • core
    • #2831: [core] Fix XMLRenderer newlines when running under IBM Java
  • java-errorprone
    • #2157: [java] Improve DoNotCallSystemExit: permit call in main(), flag System.halt
    • #2764: [java] CloseResourceRule does not recognize multiple assignment done to resource
  • miscellaneous
    • #2823: [doc] Renamed/Moved rules are missing in documentation
  • vf (Salesforce VisualForce)
    • #2765: [vf] Attributes with dot cause a VfParseException

  External Contributions

  • 🛠 #2803: [java] Improve DoNotCallSystemExit (Fixes #2157) - Vitaly Polonetsky
  • 🚚 #2809: [java] Move test config from file to test class - Stefan Birkner
  • 🚚 #2810: [core] Move method "renderTempFile" to XMLRendererTest - Stefan Birkner
  • #2811: [java] CloseResource - Fix #2764: False-negative when re-assigning variable - Andi Pabst
  • #2813: [core] Use JUnit's TemporaryFolder rule - Stefan Birkner
  • #2816: [apex] Detect 'Database' method invocations inside loops - Jeff Bartolotta
  • #2829: [doc] Small correction in pmd_report_formats.md - Gustavo Krieger
  • #2834: [vf] Allow attributes with dot in Visualforce - rmohan20
  • #2842: [core] Bump antlr4 from 4.7 to 4.7.2 - Adrien Lecharpentier
  • ⚡️ #2865: [java] (doc) Update ExcessiveImports example code for clarity - Gustavo Krieger
  • #2866: [java] (doc) Fix example for CouplingBetweenObjects - Gustavo Krieger

  Stats

  • 50 commits
  • 23 closed tickets & PRs
  • 🚀 Days since last release: 27

Previous changes from v6.28.0

• 26-September-2020 - 6.28.0

  The PMD team is pleased to announce PMD 6.28.0.

  🚀 This is a minor release.

  Table Of Contents

  • New and noteworthy
    • CPD's AnyTokenizer has been improved
  • 🛠 Fixed Issues
  • API Changes
    • Deprecated API
    • For removal
  • External Contributions
  • Stats

  🆕 New and noteworthy

  CPD's AnyTokenizer has been improved

  The AnyTokenizer is used for languages, that don't have an own lexer/grammar based tokenizer.
  💎 AnyTokenizer now handles string literals and end-of-line comments. Fortran, Perl and Ruby have
  ⚡️ been updated to use AnyTokenizer instead of their old custom tokenizer based on AbstractTokenizer.
  👀 See #2758 for details.

  🗄 AbstractTokenizer and the custom tokenizers of Fortran, Perl and Ruby are deprecated now.

  🛠 Fixed Issues

  cpd

  • #2758: [cpd] Improve AnyTokenizer

  - #2760: [cpd] AnyTokenizer doesn't count columns correctly

  🔒 apex-security

  - #2774: [apex] ApexSharingViolations does not correlate sharing settings with class that contains data access

  java

  • #2738: [java] Custom rule with @ExhaustiveEnumSwitch throws NPE
  • #2755: [java] [6.27.0] Exception applying rule CloseResource on file ... java.lang.NullPointerException
  • #2756: [java] TypeTestUtil fails with NPE for anonymous class
  • #2767: [java] IndexOutOfBoundsException when parsing an initializer BlockStatement

  - #2783: [java] Error while parsing with lambda of custom interface

  java-bestpractices

  - #2759: [java] False positive in UnusedAssignment

  java-design

  • #2708: [java] False positive FinalFieldCouldBeStatic when using lombok Builder.Default

  API Changes

  🗄 Deprecated API

  For removal

  • 0️⃣ net.sourceforge.pmd.RuleViolationComparator. Use RuleViolation#DEFAULT_COMPARATOR instead.
  • 📄 net.sourceforge.pmd.cpd.AbstractTokenizer. Use net.sourceforge.pmd.cpd.AnyTokenizer instead.
  • 📄 net.sourceforge.pmd.cpd.FortranTokenizer. Was replaced by an AnyTokenizer. Use FortranLanguage#getTokenizer anyway.
  • 📄 net.sourceforge.pmd.cpd.PerlTokenizer. Was replaced by an AnyTokenizer. Use PerlLanguage#getTokenizer anyway.
  • 💎 net.sourceforge.pmd.cpd.RubyTokenizer. Was replaced by an AnyTokenizer. Use RubyLanguage#getTokenizer anyway.
  • 📄 RuleReference#getOverriddenLanguage and
    📄 RuleReference#setLanguage
  • Antlr4 generated lexers:
    • net.sourceforge.pmd.lang.cs.antlr4.CSharpLexer will be moved to package net.sourceforge.pmd.lang.cs.ast with PMD 7.
    • net.sourceforge.pmd.lang.dart.antlr4.Dart2Lexer will be renamed to DartLexer and moved to package
      📦 net.sourceforge.pmd.lang.dart.ast with PMD 7. All other classes in the old package will be removed.
    • net.sourceforge.pmd.lang.go.antlr4.GolangLexer will be moved to package
      📦 net.sourceforge.pmd.lang.go.ast with PMD 7. All other classes in the old package will be removed.
    • net.sourceforge.pmd.lang.kotlin.antlr4.Kotlin will be renamed to KotlinLexer and moved to package
      net.sourceforge.pmd.lang.kotlin.ast with PMD 7.
    • net.sourceforge.pmd.lang.lua.antlr4.LuaLexer will be moved to package
      📦 net.sourceforge.pmd.lang.lua.ast with PMD 7. All other classes in the old package will be removed.

  External Contributions

  • #2735: [ci] Add github actions for a fast view of pr succeed/not - XenoAmess
  • 🏗 #2747: [java] Don't trigger FinalFieldCouldBeStatic when field is annotated with lombok @Builder.Default - Ollie Abbey
  • 0️⃣ #2773: [java] issue-2738: Adding null check to avoid npe when switch case is default - Nimit Patel
  • 🏗 #2789: Add badge for reproducible build - Dan Rollo
  • #2791: [apex] Analyze inner classes for sharing violations - Jeff Bartolotta

  Stats

  • 58 commits
  • 24 closed tickets & PRs
  • 🚀 Days since last release: 25

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