Package org.codehaus.groovy.transform.tailrec

Class VariableAccessReplacer

java.lang.Object
org.codehaus.groovy.transform.tailrec.VariableAccessReplacer
public class VariableAccessReplacer extends Object
Replace all access to variables and args by new variables. The variable names to replace as well as their replacement name and type have to be configured in nameAndTypeMapping before calling replaceIn().

The VariableReplacedListener can be set if clients want to react to variable replacement.

  • Constructor Details

    • VariableAccessReplacer

      public VariableAccessReplacer(Map<String,Map> nameAndTypeMapping)
      Creates a replacer with the supplied name/type mapping.
      Parameters:
      nameAndTypeMapping - the variables to replace and their replacements

    • VariableAccessReplacer

      public VariableAccessReplacer(Map<String,Map> nameAndTypeMapping, VariableReplacedListener listener)
      Creates a replacer with the supplied name/type mapping and listener.
      Parameters:
      nameAndTypeMapping - the variables to replace and their replacements
      listener - the listener notified about replacements

  • Method Details

    • replaceIn

      public void replaceIn(ASTNode root)
      Replaces matching variable accesses within the supplied AST subtree.
      Parameters:
      root - the AST subtree to mutate

    • setNameAndTypeMapping

      public void setNameAndTypeMapping(Map<String,Map> nameAndTypeMapping)
      Sets the variable replacement mapping.
      Parameters:
      nameAndTypeMapping - the variables to replace and their replacements

    • getListener

      public VariableReplacedListener getListener()
      Returns the listener notified when replacements occur.
      Returns:
      the replacement listener

    • setListener

      public void setListener(VariableReplacedListener listener)
      Sets the listener notified when replacements occur.
      Parameters:
      listener - the replacement listener