Package org.codehaus.groovy.transform

# Class SafeRegexASTTransformation

java.lang.Object
org.codehaus.groovy.ast.CodeVisitorSupport
org.codehaus.groovy.ast.ClassCodeVisitorSupport
org.codehaus.groovy.ast.ClassCodeExpressionTransformer
org.codehaus.groovy.transform.SafeRegexASTTransformation

All Implemented Interfaces:
  `ExpressionTransformer`, `GroovyClassVisitor`, `GroovyCodeVisitor`, `ASTTransformation`, `ErrorCollecting`

public class SafeRegexASTTransformation extends ClassCodeExpressionTransformer implements ASTTransformation
Handles transformation for the @SafeRegex annotation: rewrites the regex operators within the annotated scope to deadline-guarded `RegexGuard` calls.

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `SafeRegexASTTransformation()`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `protected SourceUnit`
  `getSourceUnit()`
  Provides access to the `SourceUnit` for error reporting during visitation.
  `Expression`
  `transform(Expression expr)`
  NOTE: This method does not visit Expressions within Closures, for performance and historical reasons.
  `void`
  `visit(ASTNode[] nodes, SourceUnit source)`
  The method is invoked when an AST Transformation is active.

  ### Methods inherited from class org.codehaus.groovy.ast.ClassCodeExpressionTransformer

  `setSourcePosition, visitAnnotation, visitAssertStatement, visitCaseStatement, visitClosureExpression, visitConstructorOrMethod, visitDoWhileLoop, visitExpressionStatement, visitField, visitForLoop, visitIfElse, visitProperty, visitReturnStatement, visitSwitch, visitSwitchExpression, visitSynchronizedStatement, visitThrowStatement, visitWhileLoop, visitYieldStatement`

  ### Methods inherited from class org.codehaus.groovy.ast.ClassCodeVisitorSupport

  `addError, visitAnnotations, visitAnnotations, visitBlockStatement, visitBreakStatement, visitCatchStatement, visitClass, visitClassCodeContainer, visitConstructor, visitContinueStatement, visitDeclarationExpression, visitImports, visitMethod, visitObjectInitializerStatements, visitPackage, visitStatement, visitStatementAnnotations, visitTryCatchFinally`

  ### Methods inherited from class org.codehaus.groovy.ast.CodeVisitorSupport

  `afterSwitchCaseStatementsVisited, afterSwitchCaseStatementsVisited, afterSwitchConditionExpressionVisited, afterSwitchConditionExpressionVisited, visitArgumentlistExpression, visitArrayExpression, visitAttributeExpression, visitBinaryExpression, visitBitwiseNegationExpression, visitBooleanExpression, visitBytecodeExpression, visitCastExpression, visitClassExpression, visitClosureListExpression, visitConstantExpression, visitConstructorCallExpression, visitEmptyStatement, visitFieldExpression, visitGStringExpression, visitLambdaExpression, visitListExpression, visitMapEntryExpression, visitMapExpression, visitMethodCallExpression, visitMethodPointerExpression, visitMethodReferenceExpression, visitNotExpression, visitPostfixExpression, visitPrefixExpression, visitPropertyExpression, visitRangeExpression, visitShortTernaryExpression, visitSpreadExpression, visitSpreadMapExpression, visitStaticMethodCallExpression, visitTernaryExpression, visitTupleExpression, visitUnaryMinusExpression, visitUnaryPlusExpression, visitVariableExpression`

  ### Methods inherited from class java.lang.Object

  `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

  ### Methods inherited from interface org.codehaus.groovy.ast.GroovyCodeVisitor

  `visit, visit, visitEmptyExpression, visitListOfExpressions`

- ## Constructor Details

  - ### SafeRegexASTTransformation

    public SafeRegexASTTransformation()

- ## Method Details

  - ### visit

    public void visit(ASTNode[] nodes, SourceUnit source)
    Description copied from interface: `ASTTransformation`
    The method is invoked when an AST Transformation is active. For local transformations, it is invoked once each time the local annotation is encountered. For global transformations, it is invoked once for every source unit, which is typically a source file.
    Specified by:
      `visit` in interface `ASTTransformation`
    Parameters:
      `nodes` - The ASTnodes when the call was triggered. Element 0 is the AnnotationNode that triggered this annotation to be activated. Element 1 is the AnnotatedNode decorated, such as a MethodNode or ClassNode. For global transformations it is usually safe to ignore this parameter.
      `source` - The source unit being compiled. The source unit may contain several classes. For global transformations, information about the AST can be retrieved from this object.

  - ### transform

    public Expression transform(Expression expr)
    Description copied from class: `ClassCodeExpressionTransformer`
    NOTE: This method does not visit Expressions within Closures, for performance and historical reasons. If you want those Expressions to be visited, you can do this:

         public class YourTransformer extends ClassCodeExpressionTransformer {
           ...

           @Override
           public Expression transform(final Expression expr) {
             if (expr instanceof ClosureExpression) {
               expr.visit(this);

               return expr;
             }
             // ...
           }
         }

    Specified by:
      `transform` in interface `ExpressionTransformer`
    Overrides:
      `transform` in class `ClassCodeExpressionTransformer`
    Parameters:
      `expr` - the expression to transform, may be null
    Returns:
      the transformed expression, may be the same instance, a new instance, or null

  - ### getSourceUnit

    protected SourceUnit getSourceUnit()
    Description copied from class: `ClassCodeVisitorSupport`
    Provides access to the `SourceUnit` for error reporting during visitation. Implementations must override this method.
    Specified by:
      `getSourceUnit` in class `ClassCodeVisitorSupport`
    Returns:
      the source unit for this visitor