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java.lang.Objectcom.puppycrawl.tools.checkstyle.api.AutomaticBean
com.puppycrawl.tools.checkstyle.api.AbstractViolationReporter
com.puppycrawl.tools.checkstyle.api.Check
com.puppycrawl.tools.checkstyle.checks.coding.InnerAssignmentCheck
Checks for assignments in subexpressions, such as in
String s = Integer.toString(i = 2);.
Rationale: With the exception of for iterators, all assignments
should occur in their own toplevel statement to increase readability.
With inner assignments like the above it is difficult to see all places
where a variable is set.
By default the check will check the following assignment operators:
ASSIGN,
BAND_ASSIGN,
BOR_ASSIGN,
BSR_ASSIGN,
BXOR_ASSIGN,
DIV_ASSIGN,
MINUS_ASSIGN,
MOD_ASSIGN,
PLUS_ASSIGN,
SL_ASSIGN,
SR_ASSIGN,
STAR_ASSIGN.
An example of how to configure the check is:
<module name="InnerAssignment"/>
An example of how to configure the check for only =,
+=, and -= operators is:
<module name="InnerAssignment">
<tokens>ASSIGN, PLUS_ASSIGN, MINUS_ASSIGN</tokens>
</module>
| Constructor Summary | |
InnerAssignmentCheck()
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| Method Summary | |
int[] |
getDefaultTokens()
Returns the default token a check is interested in. |
void |
visitToken(DetailAST aAST)
Called to process a token. |
| Methods inherited from class com.puppycrawl.tools.checkstyle.api.Check |
beginTree, destroy, finishTree, getAcceptableTokens, getClassLoader, getFileContents, getLines, getRequiredTokens, getTabWidth, getTokenNames, init, leaveToken, log, log, setClassLoader, setFileContents, setMessages, setTabWidth, setTokens |
| Methods inherited from class com.puppycrawl.tools.checkstyle.api.AbstractViolationReporter |
getMessageBundle, getSeverity, getSeverityLevel, log, log, log, log, log, log, log, log, log, setSeverity |
| Methods inherited from class com.puppycrawl.tools.checkstyle.api.AutomaticBean |
configure, contextualize, finishLocalSetup, getConfiguration, setupChild |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
public InnerAssignmentCheck()
| Method Detail |
public int[] getDefaultTokens()
Check
getDefaultTokens in class CheckCheckpublic void visitToken(DetailAST aAST)
Check
visitToken in class CheckaAST - the token to processCheck
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