[
https://issues.apache.org/jira/browse/GROOVY-7856?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Paul King reassigned GROOVY-7856:
---------------------------------
Assignee: Paul King
> Adding CompileStatic via compiler config script to class with eachWithIndex
> results in exception in instruction selection phase
> -------------------------------------------------------------------------------------------------------------------------------
>
> Key: GROOVY-7856
> URL: https://issues.apache.org/jira/browse/GROOVY-7856
> Project: Groovy
> Issue Type: Bug
> Components: Compiler
> Affects Versions: 2.4.7
> Environment: Groovy Version: 2.4.7 JVM: 1.8.0_92 Vendor: Oracle
> Corporation OS: Linux
> Reporter: Rick Venutolo
> Assignee: Paul King
> Priority: Minor
>
> I have run into an issue when adding the CompileStatic AST transformation to
> a class via the Groovy compiler configscript argument.
> {code:title=Demo.groovy|borderStyle=solid}
> class Demo {
> void test() {
> ['a', 'b'].eachWithIndex {String s, int i -> println "$i: $s"}
> }
> }
> {code}
> {code:title=config.groovy|borderStyle=solid}
> import groovy.transform.CompileStatic
> import org.codehaus.groovy.ast.ClassNode
> withConfig(configuration) {
> source(classValidator: {ClassNode classNode ->
> classNode.nameWithoutPackage == 'Demo'}) {
> ast(CompileStatic)
> }
> }
> {code}
> {code:title=Compile using --configscript|borderStyle=solid}
> $ groovyc --configscript config.groovy Demo.groovy
> {code}
> {code:title=Output (abbreviated)|borderStyle=solid}
> >>> a serious error occurred: BUG! exception in phase 'instruction selection'
> >>> in source unit 'Demo.groovy' unexpected NullpointerException
> >>> stacktrace:
> BUG! exception in phase 'instruction selection' in source unit 'Demo.groovy'
> unexpected NullpointerException
> at
> org.codehaus.groovy.control.CompilationUnit.applyToPrimaryClassNodes(CompilationUnit.java:1058)
> at
> org.codehaus.groovy.control.CompilationUnit.doPhaseOperation(CompilationUnit.java:591)
> at
> org.codehaus.groovy.control.CompilationUnit.processPhaseOperations(CompilationUnit.java:569)
> ...
> Caused by: java.lang.NullPointerException
> at
> org.codehaus.groovy.control.ClassNodeResolver.tryAsLoaderClassOrScript(ClassNodeResolver.java:180)
> at
> org.codehaus.groovy.control.ClassNodeResolver.findClassNode(ClassNodeResolver.java:170)
> at
> org.codehaus.groovy.control.ClassNodeResolver.resolveName(ClassNodeResolver.java:126)
> ...
> {code}
> *Notes*
> * Groovy & JVM versions: {{Groovy Version: 2.4.7 JVM: 1.8.0_92 Vendor: Oracle
> Corporation OS: Linux}}
> ** Have tried Groovy versions going back to 2.4.3 and Oracle JVM 1.7.0_79
> * Changing any of the following will result in no compilation error:
> ** Remove the {{source(classValidator: ...)}} code around {{ast}}, leaving
> {{ast(CompileStatic)}}, in the compiler config script
> ** Replace the {{eachWithIndex}} call in Demo with {{each}}
> ** Annotate {{Demo}} with {{@CompileStatic}} and compile without
> {{--configscript}}
> I have detailed and demoed the bug
> [here|https://github.com/rvenutolo/compilestatic-compiler-config] with some
> code you can clone and run.
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