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NoSuchMethodError: The getter 'unParenthesized' was called on null. #58016

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scheglov opened this issue Sep 20, 2019 · 0 comments · Fixed by dart-lang/linter#1728
Closed

NoSuchMethodError: The getter 'unParenthesized' was called on null. #58016

scheglov opened this issue Sep 20, 2019 · 0 comments · Fixed by dart-lang/linter#1728
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analyzer-linter Issues with the analyzer's support for the linter package area-analyzer Use area-analyzer for Dart analyzer issues, including the analysis server and code completion.

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@scheglov
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Analyzer Feedback from IntelliJ

Version information

  • IDEA 193.SNAPSHOT
  • 2.6.0-edge.7367b6f19259a27d0b6e8f7aa379203d010db9ff
  • IC-193.SNAPSHOT, JRE 1.8.0_221-b11x64 Oracle Corporation, OS Mac OS X(x86_64) v10.14.6, screens 1680x1050 Retina

Exception

Dart analysis server, SDK version 2.6.0-edge.7367b6f19259a27d0b6e8f7aa379203d010db9ff, server version 1.27.3, error: Exception while using a UseToAndAsIfApplicable to visit a MethodDeclarationImpl in ClassDeclarationImpl in CompilationUnitImpl
NoSuchMethodError: The getter 'unParenthesized' was called on null.
Receiver: null
Tried calling: unParenthesized
#0      Object.noSuchMethod (dart:core-patch/object_patch.dart:51:5)
dart-lang/sdk#57147      _Visitor._checkExpression (package:linter/src/rules/use_to_and_as_if_applicable.dart:104:38)
dart-lang/sdk#57148      _Visitor._checkBody (package:linter/src/rules/use_to_and_as_if_applicable.dart:97:16)
dart-lang/sdk#57149      _Visitor.visitMethodDeclaration (package:linter/src/rules/use_to_and_as_if_applicable.dart:86:9)
dart-lang/sdk#57150      MethodDeclarationImpl.accept (package:analyzer/src/dart/ast/ast.dart:7108:49)
dart-lang/sdk#57151      LinterVisitor._runSubscriptions (package:analyzer/src/lint/linter_visitor.dart:725:14)
dart-lang/sdk#57152      LinterVisitor.visitMethodDeclaration (package:analyzer/src/lint/linter_visitor.dart:461:5)
dart-lang/sdk#57153      MethodDeclarationImpl.accept (package:analyzer/src/dart/ast/ast.dart:7108:49)
dart-lang/sdk#57154      NodeListImpl.accept (package:analyzer/src/dart/ast/ast.dart:7682:20)
dart-lang/sdk#57155      ClassDeclarationImpl.visitChildren (package:analyzer/src/dart/ast/ast.dart:1584:13)
dart-lang/sdk#57156     RecursiveAstVisitor.visitClassDeclaration (package:analyzer/dart/ast/visitor.dart:701:10)
dart-lang/sdk#57157     LinterVisitor.visitClassDeclaration (package:analyzer/src/lint/linter_visitor.dart:102:11)
dart-lang/sdk#57158     ClassDeclarationImpl.accept (package:analyzer/src/dart/ast/ast.dart:1554:49)
dart-lang/sdk#57159     NodeListImpl.accept (package:analyzer/src/dart/ast/ast.dart:7682:20)
dart-lang/sdk#57160     CompilationUnitImpl.visitChildren (package:analyzer/src/dart/ast/ast.dart:2161:21)
dart-lang/sdk#57161     RecursiveAstVisitor.visitCompilationUnit (package:analyzer/dart/ast/visitor.dart:725:10)
dart-lang/sdk#57162     LinterVisitor.visitCompilationUnit (package:analyzer/src/lint/linter_visitor.dart:126:11)
dart-lang/sdk#57163     CompilationUnitImpl.accept (package:analyzer/src/dart/ast/ast.dart:2140:49)
dart-lang/sdk#57164     LibraryAnalyzer._computeLints (package:analyzer/src/dart/analysis/library_analyzer.dart:351:10)
dart-lang/sdk#57165     LibraryAnalyzer.analyzeSync.<anonymous closure> (package:analyzer/src/dart/analysis/library_analyzer.dart:204:11)
dart-lang/sdk#57166     _PerformanceTagImpl.makeCurrentWhile (package:analyzer/src/generated/utilities_general.dart:258:15)
dart-lang/sdk#57167     LibraryAnalyzer.analyzeSync (package:analyzer/src/dart/analysis/library_analyzer.dart:199:35)
dart-lang/sdk#57168     LibraryAnalyzer.analyze.<anonymous closure> (package:analyzer/src/dart/analysis/library_analyzer.dart:117:14)
dart-lang/sdk#57169     _PerformanceTagImpl.makeCurrentWhile (package:analyzer/src/generated/utilities_general.dart:258:15)
dart-lang/sdk#57170     LibraryAnalyzer.analyze (package:analyzer/src/dart/analysis/library_analyzer.dart:116:43)
dart-lang/sdk#57171     AnalysisDriver._computeAnalysisResult.<anonymous closure> (package:analyzer/src/dart/analysis/driver.dart:1260:63)
dart-lang/sdk#57172     PerformanceLog.run (package:analyzer/src/dart/analysis/performance_logger.dart:34:15)
dart-lang/linter#27     AnalysisDriver._computeAnalysisResult (package:analyzer/src/dart/analysis/driver.dart:1235:20)
dart-lang/sdk#57174     AnalysisDriver.performWork (package:analyzer/src/dart/analysis/driver.dart:927:33)
<asynchronous suspension>
dart-lang/sdk#57175     AnalysisDriverScheduler._run (package:analyzer/src/dart/analysis/driver.dart:1931:24)
<asynchronous suspension>
dart-lang/sdk#57176     AnalysisDriverScheduler.start (package:analyzer/src/dart/analysis/driver.dart:1865:5)
dart-lang/sdk#57177     new AnalysisServer (package:analysis_server/src/analysis_server.dart:222:29)
dart-lang/sdk#57178     SocketServer.createAnalysisServer (package:analysis_server/src/socket_server.dart:89:26)
dart-lang/sdk#57179     StdioAnalysisServer.serveStdio (package:analysis_server/src/server/stdio_server.dart:41:18)
dart-lang/sdk#57182     Driver.startAnalysisServer.<anonymous closure> (package:analysis_server/src/server/driver.dart:568:21)
dart-lang/sdk#57183     _rootRun (dart:async/zone.dart:1124:13)
dart-lang/sdk#57184     _CustomZone.run (dart:async/zone.dart:1021:19)
dart-lang/sdk#57185     _runZoned (dart:async/zone.dart:1516:10)
dart-lang/sdk#57186     runZoned (dart:async/zone.dart:1463:12)
dart-lang/sdk#57187     Driver._captureExceptions (package:analysis_server/src/server/driver.dart:685:12)
dart-lang/sdk#57188     Driver.startAnalysisServer (package:analysis_server/src/server/driver.dart:566:7)
dart-lang/sdk#57189     Driver.start.<anonymous closure> (package:analysis_server/src/server/driver.dart:467:9)
dart-lang/sdk#57190     _AsyncAwaitCompleter.start (dart:async-patch/async_patch.dart:43:6)
dart-lang/sdk#57191     Driver.start.<anonymous closure> (package:analysis_server/src/server/driver.dart:462:43)
dart-lang/sdk#57193     CompilerContext.runInContext.<anonymous closure>.<anonymous closure> (package:front_end/src/fasta/compiler_context.dart:124:46)
dart-lang/sdk#57194     new Future.sync (dart:async/future.dart:224:31)
dart-lang/sdk#57195     CompilerContext.runInContext.<anonymous closure> (package:front_end/src/fasta/compiler_context.dart:124:19)
dart-lang/sdk#57196     _rootRun (dart:async/zone.dart:1124:13)
dart-lang/sdk#57197     _CustomZone.run (dart:async/zone.dart:1021:19)
dart-lang/sdk#57198     _runZoned (dart:async/zone.dart:1516:10)
dart-lang/sdk#57199     runZoned (dart:async/zone.dart:1463:12)
dart-lang/sdk#57200     CompilerContext.runInContext (package:front_end/src/fasta/compiler_context.dart:123:12)
dart-lang/sdk#57201     CompilerContext.runWithDefaultOptions (package:front_end/src...

For additional log information, please append the contents of
file:///private/var/folders/5_/801pkmkn457fzp_twzmc2g88003ky_/T/report.txt.

Dart analysis server, SDK version 2.6.0-edge.7367b6f19259a27d0b6e8f7aa379203d010db9ff, server version 1.27.3, error: Exception while using a UseToAndAsIfApplicable to visit a MethodDeclarationImpl in ClassDeclarationImpl in CompilationUnitImpl
NoSuchMethodError: The getter 'unParenthesized' was called on null.
Receiver: null
Tried calling: unParenthesized
#0 Object.noSuchMethod (dart:core-patch/object_patch.dart:51:5)
#57147 _Visitor._checkExpression (package:linter/src/rules/use_to_and_as_if_applicable.dart:104:38)
#57148 _Visitor._checkBody (package:linter/src/rules/use_to_and_as_if_applicable.dart:97:16)
#57149 _Visitor.visitMethodDeclaration (package:linter/src/rules/use_to_and_as_if_applicable.dart:86:9)
#57150 MethodDeclarationImpl.accept (package:analyzer/src/dart/ast/ast.dart:7108:49)
#57151 LinterVisitor._runSubscriptions (package:analyzer/src/lint/linter_visitor.dart:725:14)
#57152 LinterVisitor.visitMethodDeclaration (package:analyzer/src/lint/linter_visitor.dart:461:5)
#57153 MethodDeclarationImpl.accept (package:analyzer/src/dart/ast/ast.dart:7108:49)
#57154 NodeListImpl.accept (package:analyzer/src/dart/ast/ast.dart:7682:20)
#57155 ClassDeclarationImpl.visitChildren (package:analyzer/src/dart/ast/ast.dart:1584:13)
#57156 RecursiveAstVisitor.visitClassDeclaration (package:analyzer/dart/ast/visitor.dart:701:10)
#57157 LinterVisitor.visitClassDeclaration (package:analyzer/src/lint/linter_visitor.dart:102:11)
#57158 ClassDeclarationImpl.accept (package:analyzer/src/dart/ast/ast.dart:1554:49)
#57159 NodeListImpl.accept (package:analyzer/src/dart/ast/ast.dart:7682:20)
#57160 CompilationUnitImpl.visitChildren (package:analyzer/src/dart/ast/ast.dart:2161:21)
#57161 RecursiveAstVisitor.visitCompilationUnit (package:analyzer/dart/ast/visitor.dart:725:10)
#57162 LinterVisitor.visitCompilationUnit (package:analyzer/src/lint/linter_visitor.dart:126:11)
#57163 CompilationUnitImpl.accept (package:analyzer/src/dart/ast/ast.dart:2140:49)
#57164 LibraryAnalyzer._computeLints (package:analyzer/src/dart/analysis/library_analyzer.dart:351:10)
#57165 LibraryAnalyzer.analyzeSync. (package:analyzer/src/dart/analysis/library_analyzer.dart:204:11)
#57166 _PerformanceTagImpl.makeCurrentWhile (package:analyzer/src/generated/utilities_general.dart:258:15)
#57167 LibraryAnalyzer.analyzeSync (package:analyzer/src/dart/analysis/library_analyzer.dart:199:35)
#57168 LibraryAnalyzer.analyze. (package:analyzer/src/dart/analysis/library_analyzer.dart:117:14)
#57169 _PerformanceTagImpl.makeCurrentWhile (package:analyzer/src/generated/utilities_general.dart:258:15)
#57170 LibraryAnalyzer.analyze (package:analyzer/src/dart/analysis/library_analyzer.dart:116:43)
#57171 AnalysisDriver._computeAnalysisResult. (package:analyzer/src/dart/analysis/driver.dart:1260:63)
#57172 PerformanceLog.run (package:analyzer/src/dart/analysis/performance_logger.dart:34:15)
dart-lang/linter#27 AnalysisDriver._computeAnalysisResult (package:analyzer/src/dart/analysis/driver.dart:1235:20)
#57174 AnalysisDriver.performWork (package:analyzer/src/dart/analysis/driver.dart:927:33)

#57175 AnalysisDriverScheduler._run (package:analyzer/src/dart/analysis/driver.dart:1931:24)

#57176 AnalysisDriverScheduler.start (package:analyzer/src/dart/analysis/driver.dart:1865:5)
#57177 new AnalysisServer (package:analysis_server/src/analysis_server.dart:222:29)
#57178 SocketServer.createAnalysisServer (package:analysis_server/src/socket_server.dart:89:26)
#57179 StdioAnalysisServer.serveStdio (package:analysis_server/src/server/stdio_server.dart:41:18)
#57182 Driver.startAnalysisServer. (package:analysis_server/src/server/driver.dart:568:21)
#57183 _rootRun (dart:async/zone.dart:1124:13)
#57184 _CustomZone.run (dart:async/zone.dart:1021:19)
#57185 _runZoned (dart:async/zone.dart:1516:10)
#57186 runZoned (dart:async/zone.dart:1463:12)
#57187 Driver._captureExceptions (package:analysis_server/src/server/driver.dart:685:12)
#57188 Driver.startAnalysisServer (package:analysis_server/src/server/driver.dart:566:7)
#57189 Driver.start. (package:analysis_server/src/server/driver.dart:467:9)
#57190 _AsyncAwaitCompleter.start (dart:async-patch/async_patch.dart:43:6)
#57191 Driver.start. (package:analysis_server/src/server/driver.dart:462:43)
#57193 CompilerContext.runInContext.. (package:front_end/src/fasta/compiler_context.dart:124:46)
#57194 new Future.sync (dart:async/future.dart:224:31)
#57195 CompilerContext.runInContext. (package:front_end/src/fasta/compiler_context.dart:124:19)
#57196 _rootRun (dart:async/zone.dart:1124:13)
#57197 _CustomZone.run (dart:async/zone.dart:1021:19)
#57198 _runZoned (dart:async/zone.dart:1516:10)
#57199 runZoned (dart:async/zone.dart:1463:12)
#57200 CompilerContext.runInContext (package:front_end/src/fasta/compiler_context.dart:123:12)
#57201 CompilerContext.runWithDefaultOptions (package:front_end/src/fasta/compiler_context.dart:142:56)
dart-lang/linter#53 Driver.start (package:analysis_server/src/server/driver.dart:462:21)
dart-lang/linter#54 main (file:///Users/scheglov/Source/Dart/sdk.git/sdk/pkg/analysis_server/bin/server.dart:12:11)
dart-lang/linter#55 _AsyncAwaitCompleter.start (dart:async-patch/async_patch.dart:43:6)
#57202 main (file:///Users/scheglov/Source/Dart/sdk.git/sdk/pkg/analysis_server/bin/server.dart:10:10)
dart-lang/linter#57 _startIsolate. (dart:isolate-patch/isolate_patch.dart:303:32)
dart-lang/linter#58 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:172:12)

1569009854158 <= {"event":"server.status","params":{"analysis":{"isAnalyzing":false}}}
1569009854158 <= NOTI {"event":"server.status","isAnalyzing":false}
1569009854159 <= {"event":"analysis.implemented","params":{"file":"/Users/scheglov/dart/linter/lib/src/rules/avoid_returning_this.dart","classes":[],"members":[]}}
1569009854159 <= NOTI {"event":"analysis.implemented","file":"/Users/scheglov/dart/linter/lib/src/rules/avoid_returning_this.dart"}
1569009854182 => {"id":"1411","method":"edit.getAssists","params":{"file":"/Users/scheglov/dart/linter/lib/src/rules/avoid_returning_this.dart","offset":2404,"length":0},"clientRequestTime":1569009854
1569009854183 <= REQ  {"id":"1411","method":"edit.getAssists","params":{"file":"/Users/scheglov/dart/linter/lib/src/rules/avoid_returning_this.dart","offset":2404,"length":0},"clientRequestTime":15690
1569009854184 <= RESP {"id":"1411","method":"edit.getAssists","clientRequestTime":1569009854182,"serverRequestTime":1569009854182,"responseTime":1569009854184,"items":[{"name":"resolvedUnit","timeValu
1569009854184 <= {"id":"1411","result":{"assists":[]}}
1569009854271 => {"id":"1412","method":"analysis.updateContent","params":{"files":{"/Users/scheglov/dart/linter/lib/src/rules/avoid_returning_this.dart":{"type":"add","content":"// Copyright (c) 2017,
1569009854272 => {"id":"1413","method":"edit.getAssists","params":{"file":"/Users/scheglov/dart/linter/lib/src/rules/avoid_returning_this.dart","offset":2404,"length":0},"clientRequestTime":1569009854
1569009854273 <= REQ  {"id":"1412","method":"analysis.updateContent","clientRequestTime":1569009854271,"files":["/Users/scheglov/dart/linter/lib/src/rules/avoid_returning_this.dart"]}
1569009854273 <= RESP {"id":"1412","method":"analysis.updateContent","clientRequestTime":1569009854271,"serverRequestTime":1569009854273,"responseTime":1569009854273}
1569009854273 <= {"id":"1412","result":{}}
1569009854273 <= REQ  {"id":"1413","method":"edit.getAssists","params":{"file":"/Users/scheglov/dart/linter/lib/src/rules/avoid_returning_this.dart","offset":2404,"length":0},"clientRequestTime":15690
1569009854273 <= +++ Analyzing.
1569009854273 <= {"event":"server.status","params":{"analysis":{"isAnalyzing":true}}}
1569009854273 <= NOTI {"event":"server.status","isAnalyzing":true}
1569009854273 <=     +++ Verify API signature of /Users/scheglov/dart/linter/lib/src/rules/avoid_returning_this.dart.
1569009854273 <=         Work in /Users/scheglov/dart/linter
1569009854276 <=         +++ Create unlinked for /Users/scheglov/dart/linter/lib/src/rules/avoid_returning_this.dart.
1569009854277 <=         --- Create unlinked for /Users/scheglov/dart/linter/lib/src/rules/avoid_returning_this.dart in 0 ms.
1569009854277 <=         API signatures mismatch found.
1569009854277 <=     --- Verify API signature of /Users/scheglov/dart/linter/lib/src/rules/avoid_returning_this.dart in 3 ms.
1569009854280 <=     +++ Compute analysis result for /Users/scheglov/dart/linter/lib/src/rules/avoid_returning_this.dart.
1569009854280 <=         Work in /Users/scheglov/dart/linter
1569009854280 <=         +++ Prepare linked bundles.
1569009854293 <=             [librariesTotal: 623][librariesLoaded: 622][inputsTimer: 0 ms][librariesLinked: 1][librariesLinkedTimer: 9 ms][bytesGet: 13879796][bytesPut: 6292]
1569009854293 <=         --- Prepare linked bundles in 12 ms.
1569009854317 <= {"event":"server.error","params":{"isFatal":false,"message":"Exception while using a UseToAndAsIfApplicable to visit a MethodDeclarationImpl in ClassDeclarationImpl in CompilationUnit
1569009854317 <= NOTI {"event":"server.error"}
@pq pq mentioned this issue Sep 20, 2019
Merged
@devoncarew devoncarew added analyzer-linter Issues with the analyzer's support for the linter package area-analyzer Use area-analyzer for Dart analyzer issues, including the analysis server and code completion. labels Nov 18, 2024
@devoncarew devoncarew transferred this issue from dart-lang/linter Nov 18, 2024
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analyzer-linter Issues with the analyzer's support for the linter package area-analyzer Use area-analyzer for Dart analyzer issues, including the analysis server and code completion.
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allow for null raw expressions dart-lang/linter
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@scheglov @devoncarew