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Posted to notifications@groovy.apache.org by "Paul King (Jira)" <ji...@apache.org> on 2022/04/27 08:34:00 UTC
[jira] [Closed] (GROOVY-10357) STC crashes on compiling an abstract method with default arguments and lambda
[ https://issues.apache.org/jira/browse/GROOVY-10357?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Paul King closed GROOVY-10357.
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> STC crashes on compiling an abstract method with default arguments and lambda
> -----------------------------------------------------------------------------
>
> Key: GROOVY-10357
> URL: https://issues.apache.org/jira/browse/GROOVY-10357
> Project: Groovy
> Issue Type: Bug
> Components: Static compilation, Static Type Checker
> Affects Versions: 4.0.0
> Reporter: Thodoris Sotiropoulos
> Assignee: Eric Milles
> Priority: Major
> Fix For: 5.0.0-alpha-1, 3.0.11, 4.0.2
>
>
> The following program
> {code:java}
> import java.util.function.Function;
> abstract class A {
> abstract Long m(Function<Boolean, Integer> x = { Boolean x -> x ? 10: -10})
> }
> {code}
> crashes the compiler and produces the following stacktrace
> {code}
> >>> a serious error occurred: BUG! exception in phase 'instruction selection' in source unit 'test.groovy' unexpected NullPointerException
> >>> stacktrace:
> BUG! exception in phase 'instruction selection' in source unit 'test.groovy' unexpected NullPointerException
> at org.codehaus.groovy.control.CompilationUnit$IPrimaryClassNodeOperation.doPhaseOperation(CompilationUnit.java:912)
> at org.codehaus.groovy.control.CompilationUnit.processPhaseOperations(CompilationUnit.java:654)
> at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:631)
> at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:610)
> at org.codehaus.groovy.tools.FileSystemCompiler.compile(FileSystemCompiler.java:311)
> at org.codehaus.groovy.tools.FileSystemCompiler.doCompilation(FileSystemCompiler.java:240)
> at org.codehaus.groovy.tools.FileSystemCompiler.commandLineCompile(FileSystemCompiler.java:165)
> at org.codehaus.groovy.tools.FileSystemCompiler.commandLineCompileWithErrorHandling(FileSystemCompiler.java:205)
> at org.codehaus.groovy.tools.FileSystemCompiler.main(FileSystemCompiler.java:189)
> Caused by: java.lang.NullPointerException
> at org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.isTypeSource(StaticTypeCheckingVisitor.java:4235)
> at org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.checkForTargetType(StaticTypeCheckingVisitor.java:4206)
> at org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.visitTernaryExpression(StaticTypeCheckingVisitor.java:4182)
> at org.codehaus.groovy.ast.expr.TernaryExpression.visit(TernaryExpression.java:44)
> at org.codehaus.groovy.ast.CodeVisitorSupport.visitExpressionStatement(CodeVisitorSupport.java:117)
> at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitExpressionStatement(ClassCodeVisitorSupport.java:204)
> at org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.visitExpressionStatement(StaticTypeCheckingVisitor.java:2191)
> at org.codehaus.groovy.ast.stmt.ExpressionStatement.visit(ExpressionStatement.java:41)
> at org.codehaus.groovy.ast.CodeVisitorSupport.visitBlockStatement(CodeVisitorSupport.java:86)
> at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitBlockStatement(ClassCodeVisitorSupport.java:168)
> at org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.visitBlockStatement(StaticTypeCheckingVisitor.java:3936)
> at org.codehaus.groovy.ast.stmt.BlockStatement.visit(BlockStatement.java:70)
> at org.codehaus.groovy.ast.CodeVisitorSupport.visitClosureExpression(CodeVisitorSupport.java:239)
> at org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.visitClosureExpression(StaticTypeCheckingVisitor.java:2403)
> at org.codehaus.groovy.ast.expr.ClosureExpression.visit(ClosureExpression.java:47)
> at org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.visitInitialExpression(StaticTypeCheckingVisitor.java:1934)
> at org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.visitConstructorOrMethod(StaticTypeCheckingVisitor.java:2602)
> at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitMethod(ClassCodeVisitorSupport.java:110)
> at org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.startMethodInference(StaticTypeCheckingVisitor.java:2586)
> at org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.visitMethod(StaticTypeCheckingVisitor.java:2560)
> at org.codehaus.groovy.transform.sc.StaticCompilationVisitor.visitMethod(StaticCompilationVisitor.java:239)
> at org.codehaus.groovy.ast.ClassNode.visitMethods(ClassNode.java:1134)
> at org.codehaus.groovy.ast.ClassNode.visitContents(ClassNode.java:1127)
> at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitClass(ClassCodeVisitorSupport.java:52)
> at org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.visitClass(StaticTypeCheckingVisitor.java:437)
> at org.codehaus.groovy.transform.sc.StaticCompilationVisitor.visitClass(StaticCompilationVisitor.java:197)
> at org.codehaus.groovy.transform.sc.StaticCompileTransformation.visit(StaticCompileTransformation.java:68)
> at org.codehaus.groovy.control.customizers.ASTTransformationCustomizer.call(ASTTransformationCustomizer.groovy:298)
> at org.codehaus.groovy.control.CompilationUnit$IPrimaryClassNodeOperation.doPhaseOperation(CompilationUnit.java:907)
> ... 8 more
> {code}
> tested against master
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