Found a bug with type checking... at least I think it's a bug. If no one
disagrees I'll raise a ticket in jira.
When I compile the following using:
ASTTransformationCustomizer astcz = new
ASTTransformationCustomizer(
TypeChecked)
I get an NPE, which suggests that the compilation unit hasn't been set for
one of the classes. Input code is:
import groovy.transform.TypeChecked
@TypeChecked
class TypeCheckingBug {
void methodA() {
// removing this or the othing makes this work
['a', 'b'].eachWithIndex { String value, sequence -> }
}
void methodB() {
def instanceB = new ClassB()
// removing this or the above makes this work
instanceB.with {
instanceC
}
}
class ClassB {
ClassC instanceC
}
class ClassC { }
}
Removing either of the two lines with the comments makes it work.
Any help appreciated.
cheers, jamie
Caused by: java.lang.NullPointerException
at
org.codehaus.groovy.control.ClassNodeResolver.tryAsLoaderClassOrScript(ClassNodeResolver.java:177)
at
org.codehaus.groovy.control.ClassNodeResolver.findClassNode(ClassNodeResolver.java:167)
at
org.codehaus.groovy.control.ClassNodeResolver.resolveName(ClassNodeResolver.java:123)
at
org.codehaus.groovy.control.ResolveVisitor.resolveToOuter(ResolveVisitor.java:675)
at
org.codehaus.groovy.control.ResolveVisitor.resolve(ResolveVisitor.java:307)
at
org.codehaus.groovy.control.ResolveVisitor.resolve(ResolveVisitor.java:307)
at
org.codehaus.groovy.control.ResolveVisitor.resolve(ResolveVisitor.java:275)
at
org.codehaus.groovy.control.ResolveVisitor.resolveOrFail(ResolveVisitor.java:259)
at
org.codehaus.groovy.control.ResolveVisitor.resolveOrFail(ResolveVisitor.java:271)
at
org.codehaus.groovy.control.ResolveVisitor.visitConstructorOrMethod(ResolveVisitor.java:196)
at
org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitMethod(ClassCodeVisitorSupport.java:123)
at org.codehaus.groovy.ast.ClassNode.visitContents(ClassNode.java:1083)
at
org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitClass(ClassCodeVisitorSupport.java:50)
at
org.codehaus.groovy.control.ResolveVisitor.visitClass(ResolveVisitor.java:1260)
at
org.codehaus.groovy.control.ResolveVisitor.startResolving(ResolveVisitor.java:175)
at
org.codehaus.groovy.ast.tools.GenericsUtils.resolveClassNode(GenericsUtils.java:560)
at
org.codehaus.groovy.ast.tools.GenericsUtils.parseClassNodesFromString(GenericsUtils.java:527)
at groovy.transform.stc.FromString.parseOption(FromString.java:74)
at groovy.transform.stc.FromString.getClosureSignatures(FromString.java:55)
at
org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.getSignaturesFromHint(StaticTypeCheckingVisitor.java:2588)
at
org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.doInferClosureParameterTypes(StaticTypeCheckingVisitor.java:2609)
at
org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.inferClosureParameterTypes(StaticTypeCheckingVisitor.java:2508)
at
org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.visitMethodCallArguments(StaticTypeCheckingVisitor.java:2474)
at
org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.visitMethodCallExpression(StaticTypeCheckingVisitor.java:3109)
at
org.codehaus.groovy.ast.expr.MethodCallExpression.visit(MethodCallExpression.java:64)
at
org.codehaus.groovy.ast.CodeVisitorSupport.visitExpressionStatement(CodeVisitorSupport.java:69)
at
org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitExpressionStatement(ClassCodeVisitorSupport.java:193)
at
org.codehaus.groovy.ast.stmt.ExpressionStatement.visit(ExpressionStatement.java:40)
at
org.codehaus.groovy.ast.CodeVisitorSupport.visitBlockStatement(CodeVisitorSupport.java:35)
at
org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitBlockStatement(ClassCodeVisitorSupport.java:163)
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.transform.stc.StaticTypeCheckingVisitor.visitConstructorOrMethod(StaticTypeCheckingVisitor.java:1969)
at
org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitMethod(ClassCodeVisitorSupport.java:123)
at
org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.startMethodInference(StaticTypeCheckingVisitor.java:2302)
at
org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.visitMethod(StaticTypeCheckingVisitor.java:2261)
at org.codehaus.groovy.ast.ClassNode.visitContents(ClassNode.java:1083)
at
org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitClass(ClassCodeVisitorSupport.java:50)
at
org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.visitClass(StaticTypeCheckingVisitor.java:248)
at
org.codehaus.groovy.transform.StaticTypesTransformation.visit(StaticTypesTransformation.java:63)
<+2> (DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at
org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite$PojoCachedMethodSite.invoke(PojoMetaMethodSite.java:189)
at
org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite.call(PojoMetaMethodSite.java:53)
at
org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:130)
at
org.codehaus.groovy.control.customizers.ASTTransformationCustomizer.call(ASTTransformationCustomizer.groovy:292)
at
org.codehaus.groovy.control.CompilationUnit.applyToPrimaryClassNodes(CompilationUnit.java:1052)
... 268 more
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