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Posted to commits@groovy.apache.org by pa...@apache.org on 2019/04/04 04:57:26 UTC

[groovy] 02/02: minor refactor: remove some codenarc violations (part 4)

This is an automated email from the ASF dual-hosted git repository.

paulk pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/groovy.git

commit e4cc76b8db9ddefff65e710de96eb2e9c364d44c
Author: Paul King <pa...@asert.com.au>
AuthorDate: Thu Apr 4 11:48:44 2019 +1000

    minor refactor: remove some codenarc violations (part 4)
---
 config/codenarc/codenarc.groovy                    |   6 +-
 .../codehaus/groovy/classgen/genArrayAccess.groovy |  37 +++----
 .../{genArrays.groovy => genArrayUtil.groovy}      |  22 ++---
 .../org/codehaus/groovy/classgen/genDgmMath.groovy |  43 +++++----
 .../groovy/classgen/genMathModification.groovy     | 106 ++++++++++-----------
 .../groovy/transform/ASTTestTransformation.groovy  |  17 ++--
 .../tailrec/TailRecursiveASTTransformation.groovy  |  26 ++---
 7 files changed, 133 insertions(+), 124 deletions(-)

diff --git a/config/codenarc/codenarc.groovy b/config/codenarc/codenarc.groovy
index 1d58fac..e9c7179 100644
--- a/config/codenarc/codenarc.groovy
+++ b/config/codenarc/codenarc.groovy
@@ -168,7 +168,10 @@ ruleset {
 
     ruleset('rulesets/logging.xml') {
         exclude 'SystemOutPrint'  // too many to worry about, review later
-        exclude 'SystemErrPrint'    // too many to worry about, review later
+        exclude 'SystemErrPrint'  // too many to worry about, review later
+        'Println' {
+            doNotApplyToFileNames='genArrayAccess.groovy,genArrayUtil.groovy,genDgmMath.groovy,genMathModification.groovy,'
+        }
     }
     ruleset('rulesets/braces.xml') {
         exclude 'ForStatementBraces' // for statements without braces seems acceptable in our coding standards
@@ -221,7 +224,6 @@ ruleset {
     }
     ruleset('rulesets/dry.xml') {
         exclude 'DuplicateNumberLiteral'    // too many to worry about, review later
-        exclude 'DuplicateStringLiteralRule'    // too many to worry about, review later
         exclude 'DuplicateStringLiteral'    // too many to worry about, review later
     }
     ruleset('rulesets/design.xml') {
diff --git a/src/main/groovy/org/codehaus/groovy/classgen/genArrayAccess.groovy b/src/main/groovy/org/codehaus/groovy/classgen/genArrayAccess.groovy
index 08cb68a..46521c1 100644
--- a/src/main/groovy/org/codehaus/groovy/classgen/genArrayAccess.groovy
+++ b/src/main/groovy/org/codehaus/groovy/classgen/genArrayAccess.groovy
@@ -18,15 +18,18 @@
  */
 package org.codehaus.groovy.classgen
 
+// TODO this generator template has drifted apart from the now modified generated classes
+// Is it worth keeping this template and/or getting it back up to date?
+
 println """
 package org.codehaus.groovy.runtime.dgmimpl;
 
 import groovy.lang.MetaClassImpl;
 import groovy.lang.MetaMethod;
-import org.codehaus.groovy.runtime.callsite.CallSite;
-import org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite;
 import org.codehaus.groovy.reflection.CachedClass;
 import org.codehaus.groovy.reflection.ReflectionCache;
+import org.codehaus.groovy.runtime.callsite.CallSite;
+import org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite;
 
 public class ArrayOperations {
   ${genInners()}
@@ -34,17 +37,17 @@ public class ArrayOperations {
 """
 
 def genInners () {
-    def res = ""
+    def res = ''
 
     final Map primitives = [
-            "boolean": "Boolean",
-            "byte": "Byte",
-            "char": "Character",
-            "short": "Short",
-            "int": "Integer",
-            "long": "Long",
-            "float": "Float",
-            "double": "Double"
+            'boolean': 'Boolean',
+            'byte': 'Byte',
+            'char': 'Character',
+            'short': 'Short',
+            'int': 'Integer',
+            'long': 'Long',
+            'float': 'Float',
+            'double': 'Double'
     ]
 
     primitives.each {primName, clsName ->
@@ -62,7 +65,7 @@ def genInners () {
 
             public Object invoke(Object object, Object[] args) {
                 final ${primName}[] objects = (${primName}[]) object;
-                return objects[normaliseIndex(((Integer) args[0]).intValue(), objects.length)];
+                return objects[normaliseIndex((Integer) args[0], objects.length)];
             }
 
             public CallSite createPojoCallSite(CallSite site, MetaClassImpl metaClass, MetaMethod metaMethod, Class[] params, Object receiver, Object[] args) {
@@ -72,14 +75,14 @@ def genInners () {
                     return new PojoMetaMethodSite(site, metaClass, metaMethod, params) {
                         public Object invoke(Object receiver, Object[] args) {
                             final ${primName}[] objects = (${primName}[]) receiver;
-                            return objects[normaliseIndex(((Integer) args[0]).intValue(), objects.length)];
+                            return objects[normaliseIndex((Integer) args[0], objects.length)];
                         }
 
                         public Object callBinop(Object receiver, Object arg) {
                             if ((receiver instanceof ${primName}[] && arg instanceof Integer)
                                     && checkMetaClass()) {
                                 final ${primName}[] objects = (${primName}[]) receiver;
-                                return objects[normaliseIndex(((Integer) arg).intValue(), objects.length)];
+                                return objects[normaliseIndex((Integer) arg, objects.length)];
                             }
                             else
                               return super.callBinop(receiver,arg);
@@ -87,7 +90,7 @@ def genInners () {
 
                         public Object invokeBinop(Object receiver, Object arg) {
                             final ${primName}[] objects = (${primName}[]) receiver;
-                            return objects[normaliseIndex(((Integer) arg).intValue(), objects.length)];
+                            return objects[normaliseIndex((Integer) arg, objects.length)];
                         }
                     };
             }
@@ -109,7 +112,7 @@ def genInners () {
 
             public Object invoke(Object object, Object[] args) {
                 final ${primName}[] objects = (${primName}[]) object;
-                final int index = normaliseIndex(((Integer) args[0]).intValue(), objects.length);
+                final int index = normaliseIndex((Integer) args[0], objects.length);
                 Object newValue = args[1];
                 if (!(newValue instanceof ${clsName})) {
                     Number n = (Number) newValue;
@@ -129,7 +132,7 @@ def genInners () {
                             if ((receiver instanceof ${primName}[] && args[0] instanceof Integer && args[1] instanceof ${clsName} )
                                     && checkMetaClass()) {
                                 final ${primName}[] objects = (${primName}[]) receiver;
-                                objects[normaliseIndex(((Integer) args[0]).intValue(), objects.length)] = ((${clsName})args[1]).${primName}Value();
+                                objects[normaliseIndex((Integer) args[0], objects.length)] = ((${clsName})args[1]).${primName}Value();
                                 return null;
                             }
                             else
diff --git a/src/main/groovy/org/codehaus/groovy/classgen/genArrays.groovy b/src/main/groovy/org/codehaus/groovy/classgen/genArrayUtil.groovy
similarity index 78%
rename from src/main/groovy/org/codehaus/groovy/classgen/genArrays.groovy
rename to src/main/groovy/org/codehaus/groovy/classgen/genArrayUtil.groovy
index 9bbe3cf..61891a9 100644
--- a/src/main/groovy/org/codehaus/groovy/classgen/genArrays.groovy
+++ b/src/main/groovy/org/codehaus/groovy/classgen/genArrayUtil.groovy
@@ -27,27 +27,27 @@ public class ArrayUtil {
 """
 
 def genMethods () {
-    def res = ""
+    def res = ''
     for (i in 1..250)
-      res += "\n\n" + genMethod (i)
+      res += '\n\n' + genMethod (i)
     res
 }
 
 def genMethod (int paramNum) {
-    def res = "public static Object [] createArray ("
+    def res = 'public static Object [] createArray ('
     for (k in 0..<paramNum) {
-        res += "Object arg" + k
+        res += 'Object arg' + k
         if (k != paramNum-1)
-          res += ", "
+          res += ', '
     }
-    res += ") {\n"
-    res += "return new Object [] {\n"
+    res += ') {\n'
+    res += 'return new Object [] {\n'
         for (k in 0..<paramNum) {
-            res += "arg" + k
+            res += 'arg' + k
             if (k != paramNum-1)
-              res += ", "
+              res += ', '
         }
-        res += "};\n"
-    res += "}"
+        res += '};\n'
+    res += '}'
     res
 }
diff --git a/src/main/groovy/org/codehaus/groovy/classgen/genDgmMath.groovy b/src/main/groovy/org/codehaus/groovy/classgen/genDgmMath.groovy
index 71bdd5f..c1fbafa 100644
--- a/src/main/groovy/org/codehaus/groovy/classgen/genDgmMath.groovy
+++ b/src/main/groovy/org/codehaus/groovy/classgen/genDgmMath.groovy
@@ -18,22 +18,22 @@
  */
 package org.codehaus.groovy.classgen
 
-def types = ["Integer", "Long", "Float", "Double"]
+def types = ['Integer', 'Long', 'Float', 'Double']
 
 def getMath (a,b) {
-    if (a == "Double" || b == "Double" || a == "Float" || b == "Float")
-      return "FloatingPointMath"
+    if (a == 'Double' || b == 'Double' || a == 'Float' || b == 'Float')
+      return 'FloatingPointMath'
 
-    if (a == "Long" || b == "Long")
-      return "LongMath"
+    if (a == 'Long' || b == 'Long')
+      return 'LongMath'
 
-    "IntegerMath"
+    'IntegerMath'
 }
 
-println """
+println '''
 public CallSite createPojoCallSite(CallSite site, MetaClassImpl metaClass, MetaMethod metaMethod, Class[] params, Object receiver, Object[] args) {
     NumberMath m = NumberMath.getMath((Number)receiver, (Number)args[0]);
-"""
+'''
 
 types.each {
     a ->
@@ -54,10 +54,10 @@ types.each {
             };
         """
     }
-    println "}"
+    println '}'
 }
 
-println """
+println '''
     return new NumberNumberCallSite (site, metaClass, metaMethod, params, (Number)receiver, (Number)args[0]){
         public final Object invoke(Object receiver, Object[] args) {
             return math.addImpl((Number)receiver,(Number)args[0]);
@@ -67,21 +67,26 @@ println """
             return math.addImpl((Number)receiver,(Number)arg);
         }
 }
-"""
+'''
 
 for (i in 2..256) {
     print "public Object invoke$i (Object receiver, "
-    for (j in 1..(i-1)) {
-        print "Object a$j, "
-    }
+    printParams(i)
     println "Object a$i) {"
+    print '  return invoke (receiver, new Object[] {'
+    printArgs(i)
+    println "a$i} );"
+    println '}'
+}
 
-    print "  return invoke (receiver, new Object[] {"
+private void printParams(int i) {
+    for (j in 1..(i - 1)) {
+        print "Object a$j, "
+    }
+}
 
-    for (j in 1..(i-1)) {
+private void printArgs(int i) {
+    for (j in 1..(i - 1)) {
         print "a$j, "
     }
-    println "a$i} );"
-
-    println "}"
 }
diff --git a/src/main/groovy/org/codehaus/groovy/classgen/genMathModification.groovy b/src/main/groovy/org/codehaus/groovy/classgen/genMathModification.groovy
index 10cc7eb..cf326dd 100644
--- a/src/main/groovy/org/codehaus/groovy/classgen/genMathModification.groovy
+++ b/src/main/groovy/org/codehaus/groovy/classgen/genMathModification.groovy
@@ -19,25 +19,25 @@
 package org.codehaus.groovy.classgen
 
 def ops = [
-        "plus",
-        "minus",
-        "multiply",
-        "div",
-        "or",
-        "and",
-        "xor",
-        "intdiv",
-        "mod",
-        "leftShift",
-        "rightShift",
-        "rightShiftUnsigned"
+        'plus',
+        'minus',
+        'multiply',
+        'div',
+        'or',
+        'and',
+        'xor',
+        'intdiv',
+        'mod',
+        'leftShift',
+        'rightShift',
+        'rightShiftUnsigned'
 ]
 
-def numbers = ["Byte":"byte", "Short":"short", "Integer":"int", "Long":"long", "Float":"float", "Double":"double"]
+def numbers = ['Byte':'byte', 'Short':'short', 'Integer':'int', 'Long':'long', 'Float':'float', 'Double':'double']
 
 ops.each { op ->
     numbers.each { wrappedType, type ->
-        println "public boolean ${type}_${op};";    
+        println "public boolean ${type}_${op};"
     }
 }
 
@@ -48,12 +48,12 @@ ops.each { op ->
                 ${type}_${op} = true;
             }"""
     }
-    println "if (klazz==Object.class) {"
+    println 'if (klazz==Object.class) {'
     numbers.each { wrappedType, type ->
         println "${type}_${op} = true;"
             }
-    println "}"
-    println "}"
+    println '}'
+    println '}'
 }
 
 ops.each { op ->
@@ -66,7 +66,7 @@ ops.each { op ->
                       return ${op}Slow(op1, op2);
                    }
                    else {
-                      return ${math.resType != type1 ? "((" + math.resType+ ")op1)" : "op1"} ${math[op]} ${math.resType != type2 ? "((" + math.resType+ ")op2)" : "op2"};
+                      return ${math.resType != type1 ? '((' + math.resType+ ')op1)' : 'op1'} ${math[op]} ${math.resType != type2 ? '((' + math.resType+ ')op2)' : 'op2'};
                    }
                 }"""
                 println """private static ${math.resType} ${op}Slow(${type1} op1,${type2} op2) {
@@ -78,56 +78,56 @@ ops.each { op ->
 }
 
 def isFloatingPoint(number) {
-    return number == "Double" || number == "Float";
+    number == 'Double' || number == 'Float'
 }
 
 def isLong(number) {
-    return number == "Long";
+    number == 'Long'
 }
 
 def getMath (left, right) {
     if (isFloatingPoint(left) || isFloatingPoint(right)) {
         return [
-                resType : "double",
+                resType : 'double',
 
-                plus : "+",
-                minus : "-",
-                multiply : "*",
-                div : "/",
-        ];
+                plus : '+',
+                minus : '-',
+                multiply : '*',
+                div : '/',
+        ]
     }
     if (isLong(left) || isLong(right)){
         return [
-                resType : "long",
+                resType : 'long',
 
-                plus : "+",
-                minus : "-",
-                multiply : "*",
-                div : "/",
-                or : "|",
-                and : "&",
-                xor : "^",
-                intdiv : "/",
-                mod : "%",
-                leftShift : "<<",
-                rightShift : ">>",
-                rightShiftUnsigned : ">>>"
+                plus : '+',
+                minus : '-',
+                multiply : '*',
+                div : '/',
+                or : '|',
+                and : '&',
+                xor : '^',
+                intdiv : '/',
+                mod : '%',
+                leftShift : '<<',
+                rightShift : '>>',
+                rightShiftUnsigned : '>>>'
         ]
     }
-    return [
-            resType : "int",
+    [
+            resType : 'int',
 
-            plus : "+",
-            minus : "-",
-            multiply : "*",
-            div : "/",
-            or : "|",
-            and : "&",
-            xor : "^",
-            intdiv : "/",
-            mod : "%",
-            leftShift : "<<",
-            rightShift : ">>",
-            rightShiftUnsigned : ">>>"
+            plus : '+',
+            minus : '-',
+            multiply : '*',
+            div : '/',
+            or : '|',
+            and : '&',
+            xor : '^',
+            intdiv : '/',
+            mod : '%',
+            leftShift : '<<',
+            rightShift : '>>',
+            rightShiftUnsigned : '>>>'
     ]
 }
diff --git a/src/main/groovy/org/codehaus/groovy/transform/ASTTestTransformation.groovy b/src/main/groovy/org/codehaus/groovy/transform/ASTTestTransformation.groovy
index 8201d50..6982b86 100644
--- a/src/main/groovy/org/codehaus/groovy/transform/ASTTestTransformation.groovy
+++ b/src/main/groovy/org/codehaus/groovy/transform/ASTTestTransformation.groovy
@@ -64,14 +64,14 @@ class ASTTestTransformation extends AbstractASTTransformation implements Compila
         }
         member = annotationNode.getMember('value')
         if (member && !(member instanceof ClosureExpression)) {
-            throw new SyntaxException('ASTTest value must be a closure', member.getLineNumber(), member.getColumnNumber())
+            throw new SyntaxException('ASTTest value must be a closure', member.lineNumber, member.columnNumber)
         }
         if (!member && !annotationNode.getNodeMetaData(ASTTestTransformation)) {
-            throw new SyntaxException('Missing test expression', annotationNode.getLineNumber(), annotationNode.getColumnNumber())
+            throw new SyntaxException('Missing test expression', annotationNode.lineNumber, annotationNode.columnNumber)
         }
         // convert value into node metadata so that the expression doesn't mix up with other AST xforms like type checking
         annotationNode.putNodeMetaData(ASTTestTransformation, member)
-        annotationNode.getMembers().remove('value')
+        annotationNode.members.remove('value')
 
         def pcallback = compilationUnit.progressCallback
         def callback = new CompilationUnit.ProgressCallback() {
@@ -85,8 +85,8 @@ class ASTTestTransformation extends AbstractASTTransformation implements Compila
                     for (int i = testClosure.lineNumber; i <= testClosure.lastLineNumber; i++) {
                         sb.append(source.source.getLine(i, new Janitor())).append('\n')
                     }
-                    def testSource = sb.substring(testClosure.columnNumber, sb.length())
-                    testSource = testSource.substring(0, testSource.lastIndexOf('}'))
+                    def testSource = sb[testClosure.columnNumber..<sb.length()]
+                    testSource = testSource[0..<testSource.lastIndexOf('}')]
                     CompilerConfiguration config = new CompilerConfiguration()
                     def customizer = new ImportCustomizer()
                     config.addCompilationCustomizers(customizer)
@@ -124,8 +124,7 @@ class ASTTestTransformation extends AbstractASTTransformation implements Compila
             callback = pcallback
         }
 
-        compilationUnit.setProgressCallback(callback)
-
+        compilationUnit.progressCallback = callback
     }
 
     void setCompilationUnit(final CompilationUnit unit) {
@@ -152,8 +151,8 @@ class ASTTestTransformation extends AbstractASTTransformation implements Compila
                     if (column > 40) {
                         int start = column - 30 - 1
                         int end = (column + 10 > text.length() ? text.length() : column + 10 - 1)
-                        sample = '   ' + text.substring(start, end) + Utilities.eol() + '   ' +
-                                marker.substring(start, marker.length())
+                        sample = '   ' + text[start..<end] + Utilities.eol() + '   ' +
+                                marker[start..<marker.length()]
                     } else {
                         sample = '   ' + text + Utilities.eol() + '   ' + marker
                     }
diff --git a/src/main/groovy/org/codehaus/groovy/transform/tailrec/TailRecursiveASTTransformation.groovy b/src/main/groovy/org/codehaus/groovy/transform/tailrec/TailRecursiveASTTransformation.groovy
index 05a15e6..0b71062 100644
--- a/src/main/groovy/org/codehaus/groovy/transform/tailrec/TailRecursiveASTTransformation.groovy
+++ b/src/main/groovy/org/codehaus/groovy/transform/tailrec/TailRecursiveASTTransformation.groovy
@@ -53,9 +53,9 @@ class TailRecursiveASTTransformation extends AbstractASTTransformation {
 
     private static final Class MY_CLASS = TailRecursive
     private static final ClassNode MY_TYPE = new ClassNode(MY_CLASS)
-    static final String MY_TYPE_NAME = "@" + MY_TYPE.getNameWithoutPackage()
-    private HasRecursiveCalls hasRecursiveCalls = new HasRecursiveCalls()
-    private TernaryToIfStatementConverter ternaryToIfStatement = new TernaryToIfStatementConverter()
+    static final String MY_TYPE_NAME = '@' + MY_TYPE.nameWithoutPackage
+    private final HasRecursiveCalls hasRecursiveCalls = new HasRecursiveCalls()
+    private final TernaryToIfStatementConverter ternaryToIfStatement = new TernaryToIfStatementConverter()
 
 
     @Override
@@ -65,7 +65,7 @@ class TailRecursiveASTTransformation extends AbstractASTTransformation {
         MethodNode method = nodes[1] as MethodNode
 
         if (method.isAbstract()) {
-            addError("Annotation " + MY_TYPE_NAME + " cannot be used for abstract methods.", method)
+            addError("Annotation $MY_TYPE_NAME cannot be used for abstract methods.", method)
             return
         }
 
@@ -75,7 +75,7 @@ class TailRecursiveASTTransformation extends AbstractASTTransformation {
                 if (annotationNode.classNode == MY_TYPE)
                     break
                 if (annotationNode.classNode == memoizedClassNode) {
-                    addError("Annotation " + MY_TYPE_NAME + " must be placed before annotation @Memoized.", annotationNode)
+                    addError("Annotation $MY_TYPE_NAME must be placed before annotation @Memoized.", annotationNode)
                     return
                 }
             }
@@ -83,7 +83,7 @@ class TailRecursiveASTTransformation extends AbstractASTTransformation {
 
         if (!hasRecursiveMethodCalls(method)) {
             AnnotationNode annotationNode = method.getAnnotations(ClassHelper.make(TailRecursive))[0]
-            addError("No recursive calls detected. You must remove annotation " + MY_TYPE_NAME + ".", annotationNode)
+            addError("No recursive calls detected. You must remove annotation ${MY_TYPE_NAME}.", annotationNode)
             return
         }
 
@@ -93,7 +93,7 @@ class TailRecursiveASTTransformation extends AbstractASTTransformation {
 
     private boolean hasAnnotation(MethodNode methodNode, ClassNode annotation) {
         List annots = methodNode.getAnnotations(annotation)
-        return (annots != null && annots.size() > 0)
+        annots != null && annots.size() > 0
     }
 
 
@@ -106,7 +106,7 @@ class TailRecursiveASTTransformation extends AbstractASTTransformation {
     }
 
     private void transformVoidMethodToIteration(MethodNode method) {
-        addError("Void methods are not supported by @TailRecursive yet.", method)
+        addError('Void methods are not supported by @TailRecursive yet.', method)
     }
 
     private void transformNonVoidMethodToIteration(MethodNode method, SourceUnit source) {
@@ -133,7 +133,7 @@ class TailRecursiveASTTransformation extends AbstractASTTransformation {
             if (!(node instanceof ReturnStatement)) {
                 return false
             }
-            return (((ReturnStatement) node).expression instanceof TernaryExpression)
+            ((ReturnStatement) node).expression instanceof TernaryExpression
         }
         Closure<Statement> replaceWithIfStatement = { ReturnStatement statement ->
             ternaryToIfStatement.convert(statement)
@@ -167,7 +167,7 @@ class TailRecursiveASTTransformation extends AbstractASTTransformation {
             String iterationVariableName = iterationVariableName(paramName)
             nameAndTypeMapping[paramName] = [name: iterationVariableName, type: paramType]
         }
-        return nameAndTypeMapping
+        nameAndTypeMapping
     }
 
     // Public b/c there are tests for this method
@@ -179,7 +179,7 @@ class TailRecursiveASTTransformation extends AbstractASTTransformation {
             String iterationVariableName = this.iterationVariableName(paramName)
             positionMapping[index] = [name: iterationVariableName, type: paramType]
         }
-        return positionMapping
+        positionMapping
     }
 
     private String iterationVariableName(String paramName) {
@@ -203,7 +203,7 @@ class TailRecursiveASTTransformation extends AbstractASTTransformation {
             if (!(inner instanceof MethodCallExpression) && !(inner instanceof StaticMethodCallExpression)) {
                 return false
             }
-            return isRecursiveIn(inner, method)
+            isRecursiveIn(inner, method)
         }
         Closure<Statement> replaceWithContinueBlock = { ReturnStatement statement ->
             new ReturnStatementToIterationConverter().convert(statement, positionMapping)
@@ -224,7 +224,7 @@ class TailRecursiveASTTransformation extends AbstractASTTransformation {
             if (!(inner instanceof MethodCallExpression) && !(inner instanceof StaticMethodCallExpression)) {
                 return false
             }
-            return isRecursiveIn(inner, method)
+            isRecursiveIn(inner, method)
         }
         Closure<Statement> replaceWithThrowLoopException = { ReturnStatement statement ->
             new ReturnStatementToIterationConverter(recurStatement: AstHelper.recurByThrowStatement()).convert(statement, positionMapping)