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Posted to dev@lucene.apache.org by "song (JIRA)" <ji...@apache.org> on 2017/11/10 02:19:00 UTC
[jira] [Updated] (LUCENE-8046) Redundant assign values to one
variable continuously, which makes the first assignment redundant and
useless
[ https://issues.apache.org/jira/browse/LUCENE-8046?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
song updated LUCENE-8046:
-------------------------
Description:
Our static code analysis tool has scanned the codebase of Lucene 7.0.1, and find 29 cases, that developers reassigned values to a variable continuously.
For example, the following code from file:
analysis/common/src/java/org/tartarus/snowball/ext/CatalanStemmer.java
{code:java}
cursor=limit - v_5;
cursor=limit_backward;
{code}
In the above code snippet, the second statement makes the first one redundant and useless.
There are 29 cases in total in the codebase of Lucene.
was:
Our static code analysis tool has scanned the codebase of Lucene 7.0.1, and find 29 cases, that developers reassigned values to a variable continuously.
For example, the following code from file: `analysis/common/src/java/org/tartarus/snowball/ext/CatalanStemmer.java`
{code:java}
cursor=limit - v_5;
cursor=limit_backward;
{code}
In the above code snippet, the second statement makes the first one redundant and useless.
There are 29 cases in total in the codebase of Lucene.
> Redundant assign values to one variable continuously, which makes the first assignment redundant and useless
> ------------------------------------------------------------------------------------------------------------
>
> Key: LUCENE-8046
> URL: https://issues.apache.org/jira/browse/LUCENE-8046
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/analysis
> Affects Versions: 7.0.1
> Environment: Ubuntu 14.04.5 LTS
> Reporter: song
> Labels: performance
>
> Our static code analysis tool has scanned the codebase of Lucene 7.0.1, and find 29 cases, that developers reassigned values to a variable continuously.
> For example, the following code from file:
> analysis/common/src/java/org/tartarus/snowball/ext/CatalanStemmer.java
> {code:java}
> cursor=limit - v_5;
> cursor=limit_backward;
> {code}
> In the above code snippet, the second statement makes the first one redundant and useless.
> There are 29 cases in total in the codebase of Lucene.
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