com.puppycrawl.tools.checkstyle.checks.coding
Class EmptyStatementCheck

java.lang.Object
  extended bycom.puppycrawl.tools.checkstyle.api.AutomaticBean
      extended bycom.puppycrawl.tools.checkstyle.api.AbstractViolationReporter
          extended bycom.puppycrawl.tools.checkstyle.api.Check
              extended bycom.puppycrawl.tools.checkstyle.checks.coding.EmptyStatementCheck
All Implemented Interfaces:
Configurable, Contextualizable

public class EmptyStatementCheck
extends Check

Detects empty statements (standalone ';'). Empty statements often introduce bugs that are hard to spot, such as in

 if (someCondition);
   doConditionalStuff();
 doUnconditionalStuff();
 

An example of how to configure the check is:

 <module name="EmptyStatement"/>
 

Version:
1.0
Author:
Rick Giles

Constructor Summary
EmptyStatementCheck()
           
 
Method Summary
 int[] getDefaultTokens()
          Returns the default token a check is interested in. Only used if the configuration for a check does not define the tokens.
 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
getId, getMessageBundle, getSeverity, getSeverityLevel, log, log, log, log, log, log, log, log, log, setId, 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

EmptyStatementCheck

public EmptyStatementCheck()
Method Detail

getDefaultTokens

public int[] getDefaultTokens()
Returns the default token a check is interested in. Only used if the configuration for a check does not define the tokens.

Specified by:
getDefaultTokens in class Check
Returns:
the default tokens
See Also:
TokenTypes

visitToken

public void visitToken(DetailAST aAST)
Called to process a token.

Overrides:
visitToken in class Check
Parameters:
aAST - the token to process

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