David Pociu created GROOVY-8772:
-----------------------------------
Summary: Groovy debugger is on the wrong line when exiting a
try/catch
Key: GROOVY-8772
URL: https://issues.apache.org/jira/browse/GROOVY-8772
Project: Groovy
Issue Type: Bug
Components: Compiler
Affects Versions: 2.5.0
Reporter: David Pociu
Attachments: image.png, image1.png, image2.png
Complete report also filed with IntelliJ Idea at
[https://youtrack.jetbrains.com/issue/IDEA-198280]
In the following code snippet:
----
{{package aaa}}
{{/**}}
{{ * Created by D. Pociu - InsiTech on 9/3/2018.}}
{{ */}}
{{class Main1 {}}
{{ static void main(String[] args){}}
{{ println "Hello"}}
{{ try{}}
{{ int a = 123;}}
{{ } catch (Exception ex){}}
{{ String s = ex.getMessage()}}
{{ println s}}
{{ }}}
{{ println "what just happened?"}}
{{ }}}
{{}}}
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If we set a debug point at the 'println "Hello" line and go inside the
try/catch using the debugger, the next line after 'int a = 123' that the
debugger stops on should be 'println "what just happened?"' , but instead is
'println s'.
So the debugger jumps to the last line of the catch (visually, not any of the
variables, or anything) , when visually it should be at the first line after
the catch if no exception has been thrown.
This creates GREAT confusion when I'm trying to debug complex classes because
it gives the impression that the catch clause has been triggered when it has
not.
See attached screenshots of the step by step:
----
Here's what the guys at Jetbrains had to say (see link above also):
_Peter Gromov commented 6 hours ago_
_Yes. The same problem is reproducible in Eclipse, so [David
P.|https://youtrack.jetbrains.com/users/dpociu] could you please report the
issue to Groovy compiler team? See
[http://groovy-lang.org/reporting-issues.html]_
__
_Egor Ushakov commented 7 hours ago_
_[Peter Gromov|https://youtrack.jetbrains.com/users/peter] it seems that groovy
compiler does not generate line info for the location right after the try block
(but stops there in debugger)._
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