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= Introduction = | = Introduction = | ||
This project adds custom checks, filters and quickfixes for [http://checkstyle.sourceforge.net/ CheckStyle] and [http://eclipse-cs.sourceforge.net/ Eclipse-CS]. | This project adds custom checks, filters and quickfixes for [http://checkstyle.sourceforge.net/ CheckStyle] and [http://eclipse-cs.sourceforge.net/ Eclipse-CS]. | ||
= Download = | = Download = | ||
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A [http://cs-contrib.unkrig.de/CHANGELOG.txt change log] is also available. | A [http://cs-contrib.unkrig.de/CHANGELOG.txt change log] is also available. | ||
= | = Checks and Quickfixes = | ||
;[['de.unkrig.Alignment' check|<code><de.unkrig.Alignment></code>]] | |||
:Verifies that Java elements are vertically aligned. | |||
;[['de.unkrig.CppCommentAlignment' check|<code><de.unkrig.CppCommentAlignment></code>]] | |||
:Verifies that C++ comments ('// ...') are correctly aligned. | |||
;[['de.unkrig.InnerAssignment' check|<code><de.unkrig.InnerAssignment></code>]] | |||
:Verifies that assignments in expressions are parenthesized. | |||
;[['de.unkrig.NameSpelling' check|<code><de.unkrig.NameSpelling></code>]] | |||
:Verifies that the names of Java elements match, respectively no not match given patterns. | |||
== Check 'de.unkrig.ParenPad' == | |||
Enhanced version of "ParenPad": NOSPACE now allows '( // ...'. | |||
<span style="color: red">'''This check is superseded by '[[#Check 'de.unkrig.Whitespace'|de.unkrig.Whitespace]]'.'''</span> | |||
'''Properties:''' | |||
;option : Whether space is required or forbidding | |||
;tokens : Tokens to check | |||
== Check 'de.unkrig.Whitespace' == | |||
Checks that tokens are (or are not) preceded with (and/or followed by) whitespace. | |||
This check supersedes all of CheckStyle's whitespace-related checks: | |||
* Generic Whitespace | |||
* Empty For Initializer Pad | |||
* Empty For Iterator Pad | |||
* No Whitespace After | |||
* No Whitespace Before | |||
* Method Parameter Pad | |||
* Paren Pad | |||
* Typecast Paren Pad | |||
* Whitespace After | |||
* Whitespace Around | |||
, as well as | |||
* de.unkrig.ParenPad | |||
* de.unkrig.WhitespaceAround | |||
=== Properties === | |||
;whitespaceBefore: The Java elements which must be preceded with whitespace (or a line break) | |||
;noWhitespaceBefore: The Java elements which must not be preceded with whitespace (or are preceded with a line break) | |||
;whitespaceAfter: The Java elements which must be followed by whitespace (or a line break) | |||
;noWhitespaceAfter: The Java elements which must not be followed by whitespace (or are followed by a line break) | |||
=== Java Elements === | |||
The properties described above represent the "Java elements" to which each property applies. "Java elements" correspond roughly with the Java tokens, but some Java tokens can appear in different contexts where they have different meanings. The latter case is represented by ''multiple'' Java elements which relate to the same Java token, but to different contexts (see example below). | |||
The list of Java elements is long and mostly self-explanatory; for illustration, the first few Java elements are listed here: | |||
;abstract: <font color="red">abstract</font> class MyClass { ... }<br/><font color="red">abstract</font> myMethod(...) { ... } | |||
;and__expr: a <font color="red">&</font> b | |||
;and__type_bound: <T extends MyClass <font color="red">&</font> MyInterface> | |||
;and_assign: a <font color="red">&=</font> b | |||
;assert: <font color="red">assert</font> x == 0;<br/><font color="red">assert</font> x == 0 : "x not zero"; | |||
;... | |||
The tokens 'abstract', '&=' and 'assert' can appear in only one context each, while the token '&' has two different meanings. Thus there are two Java elements starting with 'and' and two underscores. (The double underscore separates the token name from the context name.) | |||
Notice that 'and_assign' ('&=') and 'and' ('&') are '''different''' tokens which you can recognize by the ''single'' underscore in 'and_assign'. | |||
== Check 'de.unkrig.WhitespaceAround' == | |||
Checks that a token is surrounded by whitespace. Empty constructor bodies, method bodies, catch blocks and type bodies of the form | |||
<span style="color: red">'''This check is superseded by '[[#Check 'de.unkrig.Whitespace'|de.unkrig.Whitespace]]'.'''</span> | |||
public MyClass() {} // empty constructor body | |||
public void func() {} // empty method body | |||
public void func() { | |||
new Object() { | |||
// ... | |||
}.hashCode(); // No space between '}' and '.' -- always allowed | |||
try { | |||
// ... | |||
} catch {} // empty catch block | |||
} | |||
interface MyInterface {} // emtpy type body | |||
may optionally be exempted from the policy using the <code>allowEmptyMethods</code>, <code>allowEmptyConstructors</code>, <code>allowEmptyCatches</code> and <code>allowEmptyTypes</code> properties. | |||
'''Properties:''' | |||
;allowEmptyConstructors : allow empty constructor bodies | |||
;allowEmptyMethods : allow empty method bodies | |||
;allowEmptyCatches : allow empty catch blocks | |||
;allowEmptyTypes : allow empty class and interface bodies | |||
;tokens : Tokens to check | |||
== Check 'de.unkrig.WrapAndIndent' == | |||
Statements must be uniformly wrapped and indented. | |||
=== Properties === | |||
;basicOffset :How many spaces to use for new indentation level | |||
=== Quickfixes === | |||
;Wrap line :Wrap this line at the correct position | |||
;Join lines :Append this line to the previous | |||
;Correct indentation :Correct the indentation of this line | |||
== Check 'de.unkrig.ZeroParameterSuperconstructorInvocation' == | |||
Checks that no constructor calls the zero-parameter superconstructor. | |||
'''Quickfixes:''' | |||
;Remove : Remove redundant invocation of zero-parameter superconstructor | |||
= Filters = | |||
== Filter 'de.unkrig.SuppressionLine' == | |||
Events (i.e. CheckStyle warnings) are switched off by a 'magic line' ('offCommentFormat') or back on by another 'magic line' ('onCommentFormat'). | |||
After the 'off' magic line, events do not show if at least one of the following conditions is true: | |||
* The 'checkNameFormat' (if set) is found in the check name (e.g. 'de.unkrig.cscontrib.checks.Alignment') | |||
* The 'messageFormat' (if set) is found in the event message | |||
* The 'moduleIdFormat' (if set) is found in the ID of the module that generated the event | |||
This filter can only work if a 'FileContentsHolder' module exists in the configuration. | |||
'''Properties:''' | |||
;offFormat : Line pattern to trigger filter to begin suppression | |||
;onFormat : Line pattern to trigger filter to end suppression | |||
;checkNameFormat : Check name pattern to suppress | |||
;messageFormat : Message pattern to suppress | |||
;moduleIdFormat : Module ID pattern to suppress | |||
= License = | = License = | ||
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= Source Code = | = Source Code = | ||
The source code | The source code is available through SVN: | ||
https:// | https://svn.code.sf.net/p/loggifier/code | ||