Groovy Documentation

org.codenarc.rule.basic
[Groovy] Class NullReturnTracker

java.lang.Object
  org.codehaus.groovy.ast.CodeVisitorSupport
      org.codehaus.groovy.ast.ClassCodeVisitorSupport
          org.codenarc.rule.AbstractAstVisitor
              org.codenarc.rule.basic.NullReturnTracker

class NullReturnTracker
extends AbstractAstVisitor

Helper AST visitor that adds rule violation if a return statement is encountered that returns a null constant.

Authors:
Hamlet D'Arcy
Version:
\$Revision: 602 \$ - \$Date: 2011-02-08 16:37:40 -0500 (Tue, 08 Feb 2011) \$


Field Summary
 
Fields inherited from class AbstractAstVisitor
BOOLEAN_CLASS, CONSTANT_EXPRESSION_VALUES, MAX_SOURCE_LINE_LENGTH, SOURCE_LINE_LAST_SEGMENT_LENGTH
 
Property Summary
def errorMessage

def parent

 
Method Summary
void visitClosureExpression(org.codehaus.groovy.ast.expr.ClosureExpression expression)

void visitReturnStatement(org.codehaus.groovy.ast.stmt.ReturnStatement statement)

 
Methods inherited from class AbstractAstVisitor
addViolation, addViolation, addViolation, getSourceUnit, isFirstVisit, sourceLine, suppressionIsPresent, visitClass, visitClassComplete, visitClassEx, visitConstructor, visitConstructorEx, visitConstructorOrMethod, visitConstructorOrMethodEx, visitField, visitFieldEx, visitMethod, visitMethodComplete, visitMethodEx, visitProperty, visitPropertyEx
 
Methods inherited from class org.codehaus.groovy.ast.ClassCodeVisitorSupport
org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitReturnStatement(org.codehaus.groovy.ast.stmt.ReturnStatement), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitProperty(org.codehaus.groovy.ast.PropertyNode), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitField(org.codehaus.groovy.ast.FieldNode), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitConstructor(org.codehaus.groovy.ast.ConstructorNode), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitMethod(org.codehaus.groovy.ast.MethodNode), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitClass(org.codehaus.groovy.ast.ClassNode), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitAnnotations(org.codehaus.groovy.ast.AnnotatedNode), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitPackage(org.codehaus.groovy.ast.PackageNode), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitImports(org.codehaus.groovy.ast.ModuleNode), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitDeclarationExpression(org.codehaus.groovy.ast.expr.DeclarationExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitAssertStatement(org.codehaus.groovy.ast.stmt.AssertStatement), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitBlockStatement(org.codehaus.groovy.ast.stmt.BlockStatement), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitBreakStatement(org.codehaus.groovy.ast.stmt.BreakStatement), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitCaseStatement(org.codehaus.groovy.ast.stmt.CaseStatement), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitCatchStatement(org.codehaus.groovy.ast.stmt.CatchStatement), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitContinueStatement(org.codehaus.groovy.ast.stmt.ContinueStatement), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitDoWhileLoop(org.codehaus.groovy.ast.stmt.DoWhileStatement), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitExpressionStatement(org.codehaus.groovy.ast.stmt.ExpressionStatement), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitForLoop(org.codehaus.groovy.ast.stmt.ForStatement), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitIfElse(org.codehaus.groovy.ast.stmt.IfStatement), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitSwitch(org.codehaus.groovy.ast.stmt.SwitchStatement), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitSynchronizedStatement(org.codehaus.groovy.ast.stmt.SynchronizedStatement), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitThrowStatement(org.codehaus.groovy.ast.stmt.ThrowStatement), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitTryCatchFinally(org.codehaus.groovy.ast.stmt.TryCatchStatement), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitWhileLoop(org.codehaus.groovy.ast.stmt.WhileStatement), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitConstantExpression(org.codehaus.groovy.ast.expr.ConstantExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitClassExpression(org.codehaus.groovy.ast.expr.ClassExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitListExpression(org.codehaus.groovy.ast.expr.ListExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitPropertyExpression(org.codehaus.groovy.ast.expr.PropertyExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitMethodCallExpression(org.codehaus.groovy.ast.expr.MethodCallExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitStaticMethodCallExpression(org.codehaus.groovy.ast.expr.StaticMethodCallExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitConstructorCallExpression(org.codehaus.groovy.ast.expr.ConstructorCallExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitBinaryExpression(org.codehaus.groovy.ast.expr.BinaryExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitTernaryExpression(org.codehaus.groovy.ast.expr.TernaryExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitShortTernaryExpression(org.codehaus.groovy.ast.expr.ElvisOperatorExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitPostfixExpression(org.codehaus.groovy.ast.expr.PostfixExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitPrefixExpression(org.codehaus.groovy.ast.expr.PrefixExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitBooleanExpression(org.codehaus.groovy.ast.expr.BooleanExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitNotExpression(org.codehaus.groovy.ast.expr.NotExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitClosureExpression(org.codehaus.groovy.ast.expr.ClosureExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitTupleExpression(org.codehaus.groovy.ast.expr.TupleExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitArrayExpression(org.codehaus.groovy.ast.expr.ArrayExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitMapExpression(org.codehaus.groovy.ast.expr.MapExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitMapEntryExpression(org.codehaus.groovy.ast.expr.MapEntryExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitRangeExpression(org.codehaus.groovy.ast.expr.RangeExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitSpreadExpression(org.codehaus.groovy.ast.expr.SpreadExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitSpreadMapExpression(org.codehaus.groovy.ast.expr.SpreadMapExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitMethodPointerExpression(org.codehaus.groovy.ast.expr.MethodPointerExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitUnaryMinusExpression(org.codehaus.groovy.ast.expr.UnaryMinusExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitUnaryPlusExpression(org.codehaus.groovy.ast.expr.UnaryPlusExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitBitwiseNegationExpression(org.codehaus.groovy.ast.expr.BitwiseNegationExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitCastExpression(org.codehaus.groovy.ast.expr.CastExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitVariableExpression(org.codehaus.groovy.ast.expr.VariableExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitAttributeExpression(org.codehaus.groovy.ast.expr.AttributeExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitFieldExpression(org.codehaus.groovy.ast.expr.FieldExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitGStringExpression(org.codehaus.groovy.ast.expr.GStringExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitArgumentlistExpression(org.codehaus.groovy.ast.expr.ArgumentListExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitClosureListExpression(org.codehaus.groovy.ast.expr.ClosureListExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#visitBytecodeExpression(org.codehaus.groovy.classgen.BytecodeExpression), org.codehaus.groovy.ast.ClassCodeVisitorSupport#wait(long), org.codehaus.groovy.ast.ClassCodeVisitorSupport#wait(long, int), org.codehaus.groovy.ast.ClassCodeVisitorSupport#wait(), org.codehaus.groovy.ast.ClassCodeVisitorSupport#equals(java.lang.Object), org.codehaus.groovy.ast.ClassCodeVisitorSupport#toString(), org.codehaus.groovy.ast.ClassCodeVisitorSupport#hashCode(), org.codehaus.groovy.ast.ClassCodeVisitorSupport#getClass(), org.codehaus.groovy.ast.ClassCodeVisitorSupport#notify(), org.codehaus.groovy.ast.ClassCodeVisitorSupport#notifyAll()
 

Property Detail

errorMessage

def errorMessage


parent

def parent


 
Method Detail

visitClosureExpression

void visitClosureExpression(org.codehaus.groovy.ast.expr.ClosureExpression expression)


visitReturnStatement

void visitReturnStatement(org.codehaus.groovy.ast.stmt.ReturnStatement statement)


 

Groovy Documentation