FireRainbow breaks Firebugs 'Add Watch'

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#6 opened on Aug 19, 2009 2 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 4/5
Estimated time: 3-5 days
Newbie friendliness: 20/100

Issue type: Bug
Clarity: Mostly clear
Activity status: Stale
Tech stack: javascript
Domain: devtools

Research direction

Start with the supplied HTML reproduction and the Firebug Script Panel's Add Watch entry point. Reproduce the selection being changed to "spa" in the Watch Panel, then trace how FireRainbow's highlighting affects the selected text. Done means the highlighted expression is consistently added to the Watch Panel without a syntax error.

Written by the indexing model from the issue text.

Description

Hi Antonin

I have had a problem in Firebug for a while now that if I highlight text
in the Script Panel, right-click and 'Add Watch' the wrong text is added
... I have just discovered that this issue is caused by
FireRainbow.

Here is a small test case so that you can see what is happening:
=================
<html>
<head>
<script>
    function doit() {
        var s = 'Just some dummy Text';
        debugger;
    }
</script>
</head>
<body onload="doit();">
    1. Activate Firebug and refresh the page to trigger debugging
    2. When debugging starts, highlight the 's' in s += 'Just some dummy
Text';
    3. Right-click the highlighted 's' and choose 'Add Watch'
    4. If the correct text was added to the Watch Tab then right-click
the text and add watch again
    I just get a '<' symbol added to the watch panel and a syntax
error ... strangely, it sometimes works but very rarely.
</body>
</html>
=================
What steps will reproduce the problem?
1. Install FireRainbow and restart Firefox
2. Load the test file
3. Activate Firebug and refresh the page to trigger debugging
4. When debugging starts, highlight the 's' in s += 'Just some dummy
Text';
5. Right-click the highlighted 's' and choose 'Add Watch'
6. If the correct text was added to the Watch Tab then right-click the
text and add watch again

What is the expected output?
I expect to see the highlighted text added to the Watch Panel

What do you see instead?
I just get "spa" added to the watch panel and syntax error.

Additional info:
This only happens when Firebug is installed
=================

Thanks for your hard work.

Mike Ratcliffe

Dominant language: JavaScript
Stars: 58
Forks: 12
PR merge metrics: No merged PRs in 30d

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