Details
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Type:
Bug
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Status:
Open
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Priority:
Minor
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Resolution: Unresolved
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Affects Version/s: 1.7.10, 1.8-rc-4
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Fix Version/s: None
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Component/s: class generator
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Labels:None
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Number of attachments :
Description
If I have a class like so:
class Person {
String name
int age
}
Then it is possible to create an instance of Person using the little known construct:
def tim = Person [ name:'tim', age:49 ]
This works fine.
However, if I try to do the following:
def ppl = [ [ name:'Tim', age:49 ], [ name:'Dave', age:32 ], [ name:'Steve', age:28 ] ]
ppl.collect { Person [ *it ] }
I get the class generation error
BUG! exception in phase 'class generation' in source unit 'ConsoleScript10' SpreadExpression should not be visited here at org.codehaus.groovy.classgen.AsmClassGenerator.visitSpreadExpression(AsmClassGenerator.java:1871) at org.codehaus.groovy.ast.expr.SpreadExpression.visit(SpreadExpression.java:39) at org.codehaus.groovy.classgen.AsmClassGenerator.visitAndAutoboxBoolean(AsmClassGenerator.java:4122) at org.codehaus.groovy.classgen.AsmClassGenerator.makeBinopCallSite(AsmClassGenerator.java:2268) at org.codehaus.groovy.classgen.AsmClassGenerator.evaluateBinaryExpression(AsmClassGenerator.java:3902) at org.codehaus.groovy.classgen.AsmClassGenerator.visitBinaryExpression(AsmClassGenerator.java:1662) at org.codehaus.groovy.ast.expr.BinaryExpression.visit(BinaryExpression.java:49) at org.codehaus.groovy.classgen.AsmClassGenerator.visitAndAutoboxBoolean(AsmClassGenerator.java:4122) at org.codehaus.groovy.classgen.AsmClassGenerator.evaluateExpression(AsmClassGenerator.java:1447) at org.codehaus.groovy.classgen.AsmClassGenerator.visitReturnStatement(AsmClassGenerator.java:1408) at org.codehaus.groovy.ast.stmt.ReturnStatement.visit(ReturnStatement.java:47) at org.codehaus.groovy.ast.CodeVisitorSupport.visitBlockStatement(CodeVisitorSupport.java:35) at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitBlockStatement(ClassCodeVisitorSupport.java:165) at org.codehaus.groovy.classgen.AsmClassGenerator.visitBlockStatement(AsmClassGenerator.java:738) at org.codehaus.groovy.ast.stmt.BlockStatement.visit(BlockStatement.java:69) at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitClassCodeContainer(ClassCodeVisitorSupport.java:101) at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitConstructorOrMethod(ClassCodeVisitorSupport.java:112) at org.codehaus.groovy.classgen.AsmClassGenerator.visitStdMethod(AsmClassGenerator.java:626) at org.codehaus.groovy.classgen.AsmClassGenerator.visitConstructorOrMethod(AsmClassGenerator.java:601) at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitMethod(ClassCodeVisitorSupport.java:123) at org.codehaus.groovy.classgen.AsmClassGenerator.visitMethod(AsmClassGenerator.java:696) at org.codehaus.groovy.ast.ClassNode.visitContents(ClassNode.java:1039) at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitClass(ClassCodeVisitorSupport.java:50) at org.codehaus.groovy.classgen.AsmClassGenerator.visitClass(AsmClassGenerator.java:276) at org.codehaus.groovy.control.CompilationUnit$12.call(CompilationUnit.java:748) at org.codehaus.groovy.control.CompilationUnit$12.call(CompilationUnit.java:765) at org.codehaus.groovy.control.CompilationUnit.applyToPrimaryClassNodes(CompilationUnit.java:942) at org.codehaus.groovy.control.CompilationUnit.doPhaseOperation(CompilationUnit.java:519) at org.codehaus.groovy.control.CompilationUnit.processPhaseOperations(CompilationUnit.java:497) at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:474) at groovy.lang.GroovyClassLoader.doParseClass(GroovyClassLoader.java:306) at groovy.lang.GroovyClassLoader.parseClass(GroovyClassLoader.java:287) at groovy.lang.GroovyShell.parseClass(GroovyShell.java:731) at groovy.lang.GroovyShell.run(GroovyShell.java:516) at groovy.lang.GroovyShell.run(GroovyShell.java:172) at groovy.lang.GroovyShell$run.call(Unknown Source) at groovy.ui.Console$_runScriptImpl_closure16.doCall(Console.groovy:904) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90) at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:233) at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:273) at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:886) at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.callCurrent(PogoMetaClassSite.java:66) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:149) at groovy.ui.Console$_runScriptImpl_closure16.doCall(Console.groovy) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90) at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:233) at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:273) at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:886) at groovy.lang.Closure.call(Closure.java:282) at groovy.lang.Closure.call(Closure.java:277) at groovy.lang.Closure.run(Closure.java:360) at java.lang.Thread.run(Thread.java:680)
I know I should be doing:
ppl.collect { new Person( *:it ) }
(which works fine), but I just thought you should know about this BUG! exception
PS: For completeness, this:
ppl.collect { Person it }gives
and
ppl.collect { Person [ *:it ] }gives the error