Add scala-style checkers (#386)

we will leave cleaning up their voluminous output for later
chipsalliance · Dec 1, 2016 · a4da2e0 · a4da2e0
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diff --git a/scalastyle-config.xml b/scalastyle-config.xml
@@ -0,0 +1,110 @@
+<scalastyle>
+ <name>Scalastyle standard configuration</name>
+ <check level="warning" class="org.scalastyle.file.FileTabChecker" enabled="true"></check>
+ <check level="warning" class="org.scalastyle.file.FileLengthChecker" enabled="true">
+  <parameters>
+   <parameter name="maxFileLength"><![CDATA[800]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.file.HeaderMatchesChecker" enabled="true">
+  <parameters>
+   <parameter name="header"><![CDATA[// See LICENSE for license details.]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.SpacesAfterPlusChecker" enabled="true"></check>
+ <check level="warning" class="org.scalastyle.file.WhitespaceEndOfLineChecker" enabled="true"></check>
+ <check level="warning" class="org.scalastyle.scalariform.SpacesBeforePlusChecker" enabled="true"></check>
+ <check level="warning" class="org.scalastyle.file.FileLineLengthChecker" enabled="true">
+  <parameters>
+   <parameter name="maxLineLength"><![CDATA[120]]></parameter>
+   <parameter name="tabSize"><![CDATA[4]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.ClassNamesChecker" enabled="true">
+  <parameters>
+   <parameter name="regex"><![CDATA[[A-Z][A-Za-z]*]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.ObjectNamesChecker" enabled="true">
+  <parameters>
+   <parameter name="regex"><![CDATA[[A-Z][A-Za-z]*]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.PackageObjectNamesChecker" enabled="true">
+  <parameters>
+   <parameter name="regex"><![CDATA[^[a-z][A-Za-z]*$]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.EqualsHashCodeChecker" enabled="true"></check>
+ <check level="warning" class="org.scalastyle.scalariform.IllegalImportsChecker" enabled="true">
+  <parameters>
+   <parameter name="illegalImports"><![CDATA[sun._,java.awt._]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.ParameterNumberChecker" enabled="true">
+  <parameters>
+   <parameter name="maxParameters"><![CDATA[8]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.MagicNumberChecker" enabled="true">
+  <parameters>
+   <parameter name="ignore"><![CDATA[-1,0,1,2,8,10,16]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.NoWhitespaceBeforeLeftBracketChecker" enabled="true"></check>
+ <check level="warning" class="org.scalastyle.scalariform.NoWhitespaceAfterLeftBracketChecker" enabled="true"></check>
+ <check level="warning" class="org.scalastyle.scalariform.ReturnChecker" enabled="false"></check>
+ <check level="warning" class="org.scalastyle.scalariform.NullChecker" enabled="false"></check>
+ <check level="warning" class="org.scalastyle.scalariform.NoCloneChecker" enabled="false"></check>
+ <check level="warning" class="org.scalastyle.scalariform.NoFinalizeChecker" enabled="true"></check>
+ <check level="warning" class="org.scalastyle.scalariform.CovariantEqualsChecker" enabled="true"></check>
+ <check level="warning" class="org.scalastyle.scalariform.StructuralTypeChecker" enabled="true"></check>
+ <check level="warning" class="org.scalastyle.file.RegexChecker" enabled="true">
+  <parameters>
+   <parameter name="regex"><![CDATA[;(\r|)\n]]></parameter>
+  </parameters>
+  <customMessage>No lines ending with a ;</customMessage>
+ </check>
+ <check level="warning" class="org.scalastyle.file.RegexChecker" enabled="true">
+  <parameters>
+   <parameter name="regex"><![CDATA[println]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.NumberOfTypesChecker" enabled="true">
+  <parameters>
+   <parameter name="maxTypes"><![CDATA[30]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.CyclomaticComplexityChecker" enabled="true">
+  <parameters>
+   <parameter name="maximum"><![CDATA[10]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.UppercaseLChecker" enabled="true"></check>
+ <check level="warning" class="org.scalastyle.scalariform.SimplifyBooleanExpressionChecker" enabled="true"></check>
+ <check level="warning" class="org.scalastyle.scalariform.IfBraceChecker" enabled="true">
+  <parameters>
+   <parameter name="singleLineAllowed"><![CDATA[true]]></parameter>
+   <parameter name="doubleLineAllowed"><![CDATA[false]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.MethodLengthChecker" enabled="true">
+  <parameters>
+   <parameter name="maxLength"><![CDATA[50]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.MethodNamesChecker" enabled="true">
+  <parameters>
+   <parameter name="regex"><![CDATA[^[a-z][A-Za-z0-9]*$]]></parameter>
+   <parameter name="ignoreRegex"><![CDATA[^(\+[&%]?|\-[&%]?|\*|/|%|&|\||\^|<|>|\|\||&&|:=|<>|<=|>=|!=|===|=/=|<<|>>|##|unary_(~|\-%?|!))$]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.NumberOfMethodsInTypeChecker" enabled="true">
+  <parameters>
+   <parameter name="maxMethods"><![CDATA[30]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.PublicMethodsHaveTypeChecker" enabled="true"></check>
+ <check level="warning" class="org.scalastyle.file.NewLineAtEofChecker" enabled="true"></check>
+ <check level="warning" class="org.scalastyle.file.NoNewLineAtEofChecker" enabled="false"></check>
+</scalastyle>
diff --git a/scalastyle-test-config.xml b/scalastyle-test-config.xml
@@ -0,0 +1,109 @@
+<scalastyle>
+ <name>Scalastyle configuration for Chisel3 unit tests</name>
+ <check level="warning" class="org.scalastyle.file.FileTabChecker" enabled="true"></check>
+ <check level="warning" class="org.scalastyle.file.FileLengthChecker" enabled="true">
+  <parameters>
+   <parameter name="maxFileLength"><![CDATA[800]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.file.HeaderMatchesChecker" enabled="true">
+  <parameters>
+   <parameter name="header"><![CDATA[// See LICENSE for license details.]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.SpacesAfterPlusChecker" enabled="true"></check>
+ <check level="warning" class="org.scalastyle.file.WhitespaceEndOfLineChecker" enabled="true"></check>
+ <check level="warning" class="org.scalastyle.scalariform.SpacesBeforePlusChecker" enabled="true"></check>
+ <check level="warning" class="org.scalastyle.file.FileLineLengthChecker" enabled="true">
+  <parameters>
+   <parameter name="maxLineLength"><![CDATA[120]]></parameter>
+   <parameter name="tabSize"><![CDATA[4]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.ClassNamesChecker" enabled="true">
+  <parameters>
+   <parameter name="regex"><![CDATA[[A-Z][A-Za-z]*]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.ObjectNamesChecker" enabled="true">
+  <parameters>
+   <parameter name="regex"><![CDATA[[A-Z][A-Za-z]*]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.PackageObjectNamesChecker" enabled="true">
+  <parameters>
+   <parameter name="regex"><![CDATA[^[a-z][A-Za-z]*$]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.EqualsHashCodeChecker" enabled="true"></check>
+ <check level="warning" class="org.scalastyle.scalariform.IllegalImportsChecker" enabled="true">
+  <parameters>
+   <parameter name="illegalImports"><![CDATA[sun._,java.awt._]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.ParameterNumberChecker" enabled="true">
+  <parameters>
+   <parameter name="maxParameters"><![CDATA[8]]></parameter>
+  </parameters>
+ </check>
+ <!-- Numerical constants are used a lot in test setups, it would be burdensome to require each one be its own val
+ declaration. -->
+ <check level="warning" class="org.scalastyle.scalariform.MagicNumberChecker" enabled="false"></check>
+ <!-- Scalatest's exception checking syntax looks like "a [ChiselException] should be thrownBy". -->
+ <check level="warning" class="org.scalastyle.scalariform.NoWhitespaceBeforeLeftBracketChecker" enabled="false"></check>
+ <check level="warning" class="org.scalastyle.scalariform.NoWhitespaceAfterLeftBracketChecker" enabled="true"></check>
+ <check level="warning" class="org.scalastyle.scalariform.ReturnChecker" enabled="false"></check>
+ <check level="warning" class="org.scalastyle.scalariform.NullChecker" enabled="false"></check>
+ <check level="warning" class="org.scalastyle.scalariform.NoCloneChecker" enabled="false"></check>
+ <check level="warning" class="org.scalastyle.scalariform.NoFinalizeChecker" enabled="true"></check>
+ <check level="warning" class="org.scalastyle.scalariform.CovariantEqualsChecker" enabled="true"></check>
+ <check level="warning" class="org.scalastyle.scalariform.StructuralTypeChecker" enabled="true"></check>
+ <check level="warning" class="org.scalastyle.file.RegexChecker" enabled="true">
+  <parameters>
+   <parameter name="regex"><![CDATA[^.*;(\r|)\n]]></parameter>
+  </parameters>
+  <customMessage>No lines ending with a ;</customMessage>
+ </check>
+ <check level="warning" class="org.scalastyle.file.RegexChecker" enabled="true">
+  <parameters>
+   <parameter name="regex"><![CDATA[println]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.NumberOfTypesChecker" enabled="true">
+  <parameters>
+   <parameter name="maxTypes"><![CDATA[30]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.CyclomaticComplexityChecker" enabled="true">
+  <parameters>
+   <parameter name="maximum"><![CDATA[10]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.UppercaseLChecker" enabled="true"></check>
+ <check level="warning" class="org.scalastyle.scalariform.SimplifyBooleanExpressionChecker" enabled="true"></check>
+ <check level="warning" class="org.scalastyle.scalariform.IfBraceChecker" enabled="true">
+  <parameters>
+   <parameter name="singleLineAllowed"><![CDATA[true]]></parameter>
+   <parameter name="doubleLineAllowed"><![CDATA[false]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.MethodLengthChecker" enabled="true">
+  <parameters>
+   <parameter name="maxLength"><![CDATA[50]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.MethodNamesChecker" enabled="true">
+  <parameters>
+   <parameter name="regex"><![CDATA[^[a-z][A-Za-z0-9]*$]]></parameter>
+   <parameter name="ignoreRegex"><![CDATA[^(\+[&%]?|\-[&%]?|\*|/|%|&|\||\^|<|>|\|\||&&|:=|<>|<=|>=|!=|===|<<|>>|##|unary_(~|\-%?|!))$]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.NumberOfMethodsInTypeChecker" enabled="true">
+  <parameters>
+   <parameter name="maxMethods"><![CDATA[30]]></parameter>
+  </parameters>
+ </check>
+ <check level="warning" class="org.scalastyle.scalariform.PublicMethodsHaveTypeChecker" enabled="true"></check>
+ <check level="warning" class="org.scalastyle.file.NewLineAtEofChecker" enabled="true"></check>
+ <check level="warning" class="org.scalastyle.file.NoNewLineAtEofChecker" enabled="false"></check>
+</scalastyle>