Package com.singularsys.jep.walkers

Class HookRemover

java.lang.Object

com.singularsys.jep.walkers.PostfixTreeWalker

com.singularsys.jep.walkers.HookRemover

public class HookRemover
extends PostfixTreeWalker

Remove a specific hook from a any node which has it on a tree

Since:

Jep 3.5

Constructor Summary

Constructors

Constructor	Description
HookRemover()	Remove all hooks of all types
HookRemover(Node.HookKey hook)	Remove all hooks with this hook
HookRemover(Node.HookKey hook, java.lang.Object value)	Remove all hooks with this hook and value

Method Summary

Modifier and Type	Method	Description
void	removeHooks(Node top)	Remove hooks from this tree
protected void	visit(ASTConstant node, int nchildren, int depth1)	Visit a constant node
protected void	visit(ASTFunNode node, int nchildren, int depth1)	Visit a function node
protected void	visit(ASTOpNode node, int nchildren, int depth1)	Visit an operator node
protected void	visit(ASTVarNode node, int nchildren, int depth1)	Visit a variable node

Methods inherited from class com.singularsys.jep.walkers.PostfixTreeWalker

supressExaminingChildren, walk, walkSubEquations

Methods inherited from class java.lang.Object

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

Constructor Detail

HookRemover

public HookRemover()

Remove all hooks of all types

HookRemover

public HookRemover(Node.HookKey hook)

Remove all hooks with this hook

HookRemover

public HookRemover(Node.HookKey hook,
                   java.lang.Object value)

Remove all hooks with this hook and value

Parameters:

hook - to test

value - compared with Object.equals(Object)

Method Detail

removeHooks

public void removeHooks(Node top)
                 throws JepException

Remove hooks from this tree

Parameters:

top - root note of the tree

Throws:

JepException

visit

protected void visit(ASTFunNode node,
                     int nchildren,
                     int depth1)
              throws JepException

Description copied from class: PostfixTreeWalker

Visit a function node

Specified by:

visit in class PostfixTreeWalker

Parameters:

node - the current node being visited

nchildren - number of children of the node

depth1 - depth of tree, root node is depth 1.

Throws:

JepException

visit

protected void visit(ASTOpNode node,
                     int nchildren,
                     int depth1)
              throws JepException

Description copied from class: PostfixTreeWalker

Visit an operator node

Specified by:

visit in class PostfixTreeWalker

Parameters:

node - the current node being visited

nchildren - number of children of the node

depth1 - depth of tree, root node is depth 1.

Throws:

JepException

visit

protected void visit(ASTVarNode node,
                     int nchildren,
                     int depth1)
              throws JepException

Description copied from class: PostfixTreeWalker

Visit a variable node

Specified by:

visit in class PostfixTreeWalker

Parameters:

node - the current node being visited

nchildren - number of children of the node

depth1 - depth of tree, root node is depth 1.

Throws:

JepException

visit

protected void visit(ASTConstant node,
                     int nchildren,
                     int depth1)
              throws JepException

Description copied from class: PostfixTreeWalker

Visit a constant node

Specified by:

visit in class PostfixTreeWalker

Parameters:

node - the current node being visited

nchildren - number of children of the node

depth1 - depth of tree, root node is depth 1.

Throws:

JepException