Howard created GROOVY-9861:
------------------------------
Summary: parsing bug when inner class references top level class
fields in groovy 3
Key: GROOVY-9861
URL: https://issues.apache.org/jira/browse/GROOVY-9861
Project: Groovy
Issue Type: Bug
Reporter: Howard
The follow code compiles fine under groovy 2 but does not compile under groovy 3
{code}
import groovy.transform.CompileStatic
import java.awt.Color
import java.awt.event.MouseAdapter
import java.awt.event.MouseEvent
@CompileStatic
public class TreePair2 {
int clickCount = 0;
boolean isAprilFools = false;
private TreePair2() {
}
protected class TreeMouseClickHandler extends MouseAdapter {
@Override
public void mouseClicked(MouseEvent e) {
if(isAprilFools) {
clickCount++;
}
}
}
}
""
{code}
Error msg:
{code}
Exception thrown
groovy.lang.GroovyRuntimeException: ASM reporting processing error for
TreePair2$TreeMouseClickHandler#mouseClicked with signature void
mouseClicked(java.awt.event.MouseEvent) in ConsoleScript77:18. ConsoleScript77
at jdk.internal.reflect.GeneratedMethodAccessor56.invoke(Unknown Source)
at
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
Caused by: java.lang.ArrayIndexOutOfBoundsException: Index 0 out of bounds for
length 0
at groovyjarjarasm.asm.Frame.merge(Frame.java:1268)
at groovyjarjarasm.asm.Frame.merge(Frame.java:1244)
at
groovyjarjarasm.asm.MethodWriter.computeAllFrames(MethodWriter.java:1610)
at groovyjarjarasm.asm.MethodWriter.visitMaxs(MethodWriter.java:1546)
... 2 more{code}
The problem seems to be with these 3 lines
{code}
if(isAprilFools) {
clickCount++;
}
{code}
if you just have
{code}
if(isAprilFools) {
println(1)
}
// or just
clickCount++;
// but when you add clickCount++ into the if statement, it fails
{code}
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