public class TypecastParenPadCheck extends AbstractParenPadCheck
Checks the policy on the padding of parentheses for typecasts. That is, whether a space is required after a left parenthesis and before a right parenthesis, or such spaces are forbidden.
option - Specify policy on how to pad parentheses.
Type is com.puppycrawl.tools.checkstyle.checks.whitespace.PadOption.
Default value is nospace.
To configure the check:
<module name="TypecastParenPad"/>
Example:
class Foo {
float f1 = 3.14f;
int n = ( int ) f1; // violation, space after left parenthesis and before right parenthesis
double d = 1.234567;
float f2 = (float ) d; // violation, space before right parenthesis
float f3 = (float) d; // OK
float f4 = ( float) d; // violation, space after left parenthesis
}
To configure the check to require spaces:
<module name="TypecastParenPad"> <property name="option" value="space"/> </module>
Example:
class Bar {
double d1 = 3.14;
int n = ( int ) d1; // OK
int m = (int ) d1; // violation, no space after left parenthesis
double d2 = 9.8;
int x = (int) d2; // violation, no space after left parenthesis and before right parenthesis
int y = ( int) d2; // violation, no space before right parenthesis
}
Parent is com.puppycrawl.tools.checkstyle.TreeWalker
Violation Message Keys:
ws.followed
ws.notFollowed
ws.notPreceded
ws.preceded
AutomaticBean.OutputStreamOptionsMSG_WS_FOLLOWED, MSG_WS_NOT_FOLLOWED, MSG_WS_NOT_PRECEDED, MSG_WS_PRECEDED| Constructor and Description |
|---|
TypecastParenPadCheck() |
| Modifier and Type | Method and Description |
|---|---|
int[] |
getAcceptableTokens()
The configurable token set.
|
int[] |
getDefaultTokens()
Returns the default token a check is interested in.
|
int[] |
getRequiredTokens()
The tokens that this check must be registered for.
|
void |
visitToken(DetailAST ast)
Called to process a token.
|
processLeft, processRight, setOptionbeginTree, clearMessages, destroy, finishTree, getFileContents, getLine, getLines, getMessages, getTabWidth, getTokenNames, init, isCommentNodesRequired, leaveToken, log, log, log, setFileContents, setTabWidth, setTokensfinishLocalSetup, getCustomMessages, getId, getMessageBundle, getSeverity, getSeverityLevel, setId, setSeverityconfigure, contextualize, getConfiguration, setupChildpublic TypecastParenPadCheck()
public int[] getRequiredTokens()
AbstractCheckgetRequiredTokens in class AbstractCheckTokenTypespublic int[] getDefaultTokens()
AbstractCheckgetDefaultTokens in class AbstractCheckTokenTypespublic int[] getAcceptableTokens()
AbstractCheckgetAcceptableTokens in class AbstractCheckTokenTypespublic void visitToken(DetailAST ast)
AbstractCheckvisitToken in class AbstractCheckast - the token to processCopyright © 2001-2020. All Rights Reserved.