[GROOVY-4630] NPE in OptimizingStatementWriter

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.8-beta-4
• Fix Version/s: 1.8-beta-4
• Component/s: Compiler
• Assignee: Jochen Theodorou
• Reporter: Peter Niederwieser
• Created: 18/Jan/11 03:48
• Updated: 29/Jan/11 07:48
• Resolved: 29/Jan/11 07:48

Description

With the very latest (but not any earlier) 1.8-beta-4 snapshot, I'm getting the following exception when compiling spock-core (1.8 branch on GitHub). No transforms are involved here.

[10:44:57]: [org.spockframework:spock-core] Caused by: java.lang.NullPointerException
[10:44:57]: [org.spockframework:spock-core] 	at org.codehaus.groovy.classgen.asm.OptimizingStatementWriter$OptVisitor.visitBinaryExpression(OptimizingStatementWriter.java:467)
[10:44:57]: [org.spockframework:spock-core] 	at org.codehaus.groovy.ast.expr.BinaryExpression.visit(BinaryExpression.java:49)
[10:44:57]: [org.spockframework:spock-core] 	at org.codehaus.groovy.ast.CodeVisitorSupport.visitReturnStatement(CodeVisitorSupport.java:73)
[10:44:57]: [org.spockframework:spock-core] 	at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitReturnStatement(ClassCodeVisitorSupport.java:210)
[10:44:57]: [org.spockframework:spock-core] 	at org.codehaus.groovy.classgen.asm.OptimizingStatementWriter$OptVisitor.visitReturnStatement(OptimizingStatementWriter.java:370)
[10:44:57]: [org.spockframework:spock-core] 	at org.codehaus.groovy.ast.stmt.ReturnStatement.visit(ReturnStatement.java:47)
[10:44:57]: [org.spockframework:spock-core] 	at org.codehaus.groovy.classgen.asm.OptimizingStatementWriter$OptVisitor.visitBlockStatement(OptimizingStatementWriter.java:492)
[10:44:57]: [org.spockframework:spock-core] 	at org.codehaus.groovy.ast.stmt.BlockStatement.visit(BlockStatement.java:69)
[10:44:57]: [org.spockframework:spock-core] 	at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitClassCodeContainer(ClassCodeVisitorSupport.java:101)
[10:44:57]: [org.spockframework:spock-core] 	at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitConstructorOrMethod(ClassCodeVisitorSupport.java:112)
[10:44:57]: [org.spockframework:spock-core] 	at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitMethod(ClassCodeVisitorSupport.java:123)
[10:44:57]: [org.spockframework:spock-core] 	at org.codehaus.groovy.ast.ClassNode.visitContents(ClassNode.java:1056)
[10:44:57]: [org.spockframework:spock-core] 	at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitClass(ClassCodeVisitorSupport.java:50)
[10:44:57]: [org.spockframework:spock-core] 	at org.codehaus.groovy.classgen.asm.OptimizingStatementWriter$OptVisitor.visitClass(OptimizingStatementWriter.java:365)
[10:44:57]: [org.spockframework:spock-core] 	at org.codehaus.groovy.classgen.asm.OptimizingStatementWriter.setNodeMeta(OptimizingStatementWriter.java:343)
[10:44:57]: [org.spockframework:spock-core] 	at org.codehaus.groovy.classgen.AsmClassGenerator.visitClass(AsmClassGenerator.java:127)
[10:44:57]: [org.spockframework:spock-core] 	at org.codehaus.groovy.control.CompilationUnit$13.call(CompilationUnit.java:754)
[10:44:57]: [org.spockframework:spock-core] 	at org.codehaus.groovy.control.CompilationUnit.applyToPrimaryClassNodes(CompilationUnit.java:948)
[10:44:57]: [org.spockframework:spock-core] 	at org.codehaus.groovy.control.CompilationUnit.doPhaseOperation(CompilationUnit.java:533)
[10:44:57]: [org.spockframework:spock-core] 	at org.codehaus.groovy.control.CompilationUnit.processPhaseOperations(CompilationUnit.java:511)
[10:44:57]: [org.spockframework:spock-core] 	at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:488)
[10:44:57]: [org.spockframework:spock-core] 	at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:467)
[10:44:57]: [org.spockframework:spock-core] 	at org.codehaus.gmaven.runtime.v1_7.ClassCompilerFeature$ClassCompilerImpl.compile(ClassCompilerFeature.java:148)
[10:44:57]: [org.spockframework:spock-core] 	at org.codehaus.gmaven.plugin.compile.AbstractCompileMojo.compile(AbstractCompileMojo.java:200)
[10:44:57]: [org.spockframework:spock-core] 	at org.codehaus.gmaven.plugin.compile.AbstractCompileMojo.process(AbstractCompileMojo.java:164)
[10:44:57]: [org.spockframework:spock-core] 	at org.codehaus.gmaven.plugin.ComponentMojoSupport.doExecute(ComponentMojoSupport.java:60)
[10:44:57]: [org.spockframework:spock-core] 	at org.codehaus.gmaven.plugin.MojoSupport.execute(MojoSupport.java:69)