[GROOVY-5681] Anonynous inner class as default argument value throws IOOBE

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.8.7, 2.0.1
• Fix Version/s: 1.8.8, 2.0.2
• Assignee: Cédric Champeau
• Reporter: Cédric Champeau
• Created: 31/Aug/12 03:24
• Updated: 11/Sep/12 01:15
• Resolved: 31/Aug/12 09:22

Description

The compiler doesn't allow using anonymous inner classes as default argument values.

class A {
    void bar(arg = new Runnable() { void run() {} }) {}
}

results in:

java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
	at java.util.ArrayList.rangeCheck(ArrayList.java:604)
	at java.util.ArrayList.get(ArrayList.java:382)
	at org.codehaus.groovy.classgen.asm.InvocationWriter.writeAICCall(InvocationWriter.java:450)
	at org.codehaus.groovy.classgen.asm.InvocationWriter.writeInvokeConstructor(InvocationWriter.java:430)
	at org.codehaus.groovy.classgen.AsmClassGenerator.visitConstructorCallExpression(AsmClassGenerator.java:909)
	at org.codehaus.groovy.ast.expr.ConstructorCallExpression.visit(ConstructorCallExpression.java:43)
	at org.codehaus.groovy.classgen.AsmClassGenerator.visitCastExpression(AsmClassGenerator.java:616)
	at org.codehaus.groovy.ast.expr.CastExpression.visit(CastExpression.java:66)
	at org.codehaus.groovy.classgen.asm.InvocationWriter.loadArguments(InvocationWriter.java:185)
	at org.codehaus.groovy.classgen.asm.InvocationWriter.writeDirectMethodCall(InvocationWriter.java:130)
	at org.codehaus.groovy.classgen.asm.InvocationWriter.makeCall(InvocationWriter.java:223)
	at org.codehaus.groovy.classgen.asm.InvocationWriter.makeCall(InvocationWriter.java:76)
	at org.codehaus.groovy.classgen.asm.InvocationWriter.makeInvokeMethodCall(InvocationWriter.java:60)
	at org.codehaus.groovy.classgen.asm.InvocationWriter.writeInvokeMethod(InvocationWriter.java:336)
	at org.codehaus.groovy.classgen.AsmClassGenerator.visitMethodCallExpression(AsmClassGenerator.java:648)
	at org.codehaus.groovy.ast.expr.MethodCallExpression.visit(MethodCallExpression.java:67)
	at org.codehaus.groovy.classgen.asm.StatementWriter.writeExpressionStatement(StatementWriter.java:604)
	at org.codehaus.groovy.classgen.asm.OptimizingStatementWriter.writeExpressionStatement(OptimizingStatementWriter.java:354)
	at org.codehaus.groovy.classgen.AsmClassGenerator.visitExpressionStatement(AsmClassGenerator.java:509)
	at org.codehaus.groovy.ast.stmt.ExpressionStatement.visit(ExpressionStatement.java:40)
	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:319)
	at org.codehaus.groovy.classgen.AsmClassGenerator.visitConstructorOrMethod(AsmClassGenerator.java:276)
	at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitMethod(ClassCodeVisitorSupport.java:123)
	at org.codehaus.groovy.classgen.AsmClassGenerator.visitMethod(AsmClassGenerator.java:396)
	at org.codehaus.groovy.ast.ClassNode.visitContents(ClassNode.java:1056)
	at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitClass(ClassCodeVisitorSupport.java:50)
	at org.codehaus.groovy.classgen.AsmClassGenerator.visitClass(AsmClassGenerator.java:180)
	at org.codehaus.groovy.control.CompilationUnit$14.call(CompilationUnit.java:786)
	at org.codehaus.groovy.control.CompilationUnit.applyToPrimaryClassNodes(CompilationUnit.java:1027)
	at org.codehaus.groovy.control.CompilationUnit.doPhaseOperation(CompilationUnit.java:564)
	at org.codehaus.groovy.control.CompilationUnit.processPhaseOperations(CompilationUnit.java:542)
	at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:519)
	at groovy.lang.GroovyClassLoader.doParseClass(GroovyClassLoader.java:283)
	at groovy.lang.GroovyClassLoader.parseClass(GroovyClassLoader.java:264)
	at groovy.lang.GroovyShell.parseClass(GroovyShell.java:613)