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codeql/java/ql/src/Performance/NewStringString.ql at codeql-cli/v2.26.2 · github/codeql · GitHub
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codeql-cli/v2.26.2
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ql
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Performance
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NewStringString.ql
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codeql-cli/v2.26.2
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Performance
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NewStringString.ql
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/**
* @name Inefficient String constructor
* @description Using the 'String(String)' constructor is less memory efficient than using the
* constructor argument directly.
* @kind problem
* @problem.severity recommendation
* @precision high
* @id java/inefficient-string-constructor
* @tags quality
* maintainability
* readability
*/
import
java
from
ClassInstanceExpr
e
where
e
.
getConstructor
(
)
.
getDeclaringType
(
)
instanceof
TypeString
and
e
.
getArgument
(
0
)
.
getType
(
)
instanceof
TypeString
select
e
,
"Inefficient new String(String) constructor."
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