StatementReplacer (Groovy 6.0.0-alpha-2)

org.codehaus.groovy.transform.tailrec.StatementReplacer

```
public class StatementReplacer
extends CodeVisitorSupport
```
Tool for replacing Statement objects in an AST by other Statement instances.
Within
TailRecursive:
it is used to swap ReturnStatements with looping back to RECUR label

Constructor Summary

Constructors
Constructor and description
`StatementReplacer(Closure<Boolean> when, Closure<Statement> replaceWith)` Creates a replacer with the supplied predicate and replacement strategy.

Methods Summary

Methods
Type Params	Return Type	Name and description
	`public int`	`getClosureLevel()` Returns the current closure nesting depth.
	`public Closure<Statement>`	`getReplaceWith()` Returns the closure that builds replacement statements.
	`public Closure<Boolean>`	`getWhen()` Returns the predicate that decides whether a statement should be replaced.
	`public void`	`replaceIn(ASTNode root)` Replaces matching statements within the supplied AST subtree.
	`public void`	`setClosureLevel(int closureLevel)` Sets the current closure nesting depth.
	`public void`	`setReplaceWith(Closure<Statement> replaceWith)` Sets the closure that builds replacement statements.
	`public void`	`setWhen(Closure<Boolean> when)` Sets the predicate that decides whether a statement should be replaced.
	`public void`	`visitBlockStatement(BlockStatement block)` * Visits a BlockStatement, traversing each contained statement in order. * * Parameters: `block` - the block statement to visit, may contain multiple statements * See Also: * visitWhileLoop(WhileStatement)
	`public void`	`visitClosureExpression(ClosureExpression expression)` * Visits a ClosureExpression, traversing parameter initializers and the closure code block. * * Parameters: `expression` - the closure expression
	`public void`	`visitDoWhileLoop(DoWhileStatement loop)` * Visits a DoWhileStatement, traversing the loop body before the boolean condition. * * Parameters: `statement` - the do-while loop statement
	`public void`	`visitForLoop(ForStatement forLoop)` * Visits a ForStatement, traversing the collection expression and loop body. * * Parameters: `statement` - the for loop statement
	`public void`	`visitIfElse(IfStatement ifElse)` * Visits an IfStatement, traversing the condition, if-block, and optional else-block. * * Parameters: `statement` - the if-else statement
	`public void`	`visitWhileLoop(WhileStatement loop)` * Visits a WhileStatement, traversing the boolean condition and loop body. * * Parameters: `statement` - the while loop statement

Inherited Methods Summary

Inherited Methods
Methods inherited from class	Name
`class CodeVisitorSupport`	afterSwitchCaseStatementsVisited, afterSwitchConditionExpressionVisited, visitArgumentlistExpression, visitArrayExpression, visitAssertStatement, visitAttributeExpression, visitBinaryExpression, visitBitwiseNegationExpression, visitBlockStatement, visitBooleanExpression, visitBreakStatement, visitBytecodeExpression, visitCaseStatement, visitCastExpression, visitCatchStatement, visitClassExpression, visitClosureExpression, visitClosureListExpression, visitConstantExpression, visitConstructorCallExpression, visitContinueStatement, visitDeclarationExpression, visitDoWhileLoop, visitEmptyStatement, visitExpressionStatement, visitFieldExpression, visitForLoop, visitGStringExpression, visitIfElse, visitLambdaExpression, visitListExpression, visitMapEntryExpression, visitMapExpression, visitMethodCallExpression, visitMethodPointerExpression, visitMethodReferenceExpression, visitNotExpression, visitPostfixExpression, visitPrefixExpression, visitPropertyExpression, visitRangeExpression, visitReturnStatement, visitShortTernaryExpression, visitSpreadExpression, visitSpreadMapExpression, visitStaticMethodCallExpression, visitSwitch, visitSynchronizedStatement, visitTernaryExpression, visitThrowStatement, visitTryCatchFinally, visitTupleExpression, visitUnaryMinusExpression, visitUnaryPlusExpression, visitVariableExpression, visitWhileLoop

- Constructor Detail
  - public StatementReplacer(Closure<Boolean> when, Closure<Statement> replaceWith)
    
    Creates a replacer with the supplied predicate and replacement strategy.
    Parameters:
    when - decides whether a statement should be replaced
    replaceWith - creates the replacement statement
- Method Detail
  - public int getClosureLevel()
    
    Returns the current closure nesting depth.
    Returns:
    the number of enclosing closures being visited
  - public Closure<Statement> getReplaceWith()
    
    Returns the closure that builds replacement statements.
    Returns:
    the replacement closure
  - public Closure<Boolean> getWhen()
    
    Returns the predicate that decides whether a statement should be replaced.
    Returns:
    the replacement predicate
  - public void replaceIn(ASTNode root)
    
    Replaces matching statements within the supplied AST subtree.
    Parameters:
    root - the AST subtree to mutate
  - public void setClosureLevel(int closureLevel)
    
    Sets the current closure nesting depth.
    Parameters:
    closureLevel - the closure nesting depth
  - public void setReplaceWith(Closure<Statement> replaceWith)
    
    Sets the closure that builds replacement statements.
    Parameters:
    replaceWith - the replacement closure
  - public void setWhen(Closure<Boolean> when)
    
    Sets the predicate that decides whether a statement should be replaced.
    Parameters:
    when - the replacement predicate
  - public void visitBlockStatement(BlockStatement block)
    
    * Visits a BlockStatement, traversing each contained statement in order. * *
    Parameters:
    block - the block statement to visit, may contain multiple statements *
    See Also:
    *
    visitWhileLoop(WhileStatement)
  - public void visitClosureExpression(ClosureExpression expression)
    
    * Visits a ClosureExpression, traversing parameter initializers and the closure code block. * *
    Parameters:
    expression - the closure expression
  - public void visitDoWhileLoop(DoWhileStatement loop)
    
    * Visits a DoWhileStatement, traversing the loop body before the boolean condition. * *
    Parameters:
    statement - the do-while loop statement
  - public void visitForLoop(ForStatement forLoop)
    
    * Visits a ForStatement, traversing the collection expression and loop body. * *
    Parameters:
    statement - the for loop statement
  - public void visitIfElse(IfStatement ifElse)
    
    * Visits an IfStatement, traversing the condition, if-block, and optional else-block. * *
    Parameters:
    statement - the if-else statement
  - public void visitWhileLoop(WhileStatement loop)
    
    * Visits a WhileStatement, traversing the boolean condition and loop body. * *
    Parameters:
    statement - the while loop statement

Summary:
Constructor
Method

| Detail:
Constructor
Method

[Java] Class StatementReplacer

Constructor Summary

Methods Summary

Inherited Methods Summary

Constructor Detail

public StatementReplacer(Closure<Boolean> when, Closure<Statement> replaceWith)

Method Detail

public int getClosureLevel()

public Closure<Statement> getReplaceWith()

public Closure<Boolean> getWhen()

public void replaceIn(ASTNode root)

public void setClosureLevel(int closureLevel)

public void setReplaceWith(Closure<Statement> replaceWith)

public void setWhen(Closure<Boolean> when)

public void visitBlockStatement(BlockStatement block)

public void visitClosureExpression(ClosureExpression expression)

public void visitDoWhileLoop(DoWhileStatement loop)

public void visitForLoop(ForStatement forLoop)

public void visitIfElse(IfStatement ifElse)

public void visitWhileLoop(WhileStatement loop)