Interface Visitor<N>

The Visitor interface

interface Visitor<N extends VisitorNode<N>> {
    removeNodeHandler(kind: string): void;
    setNodeHandler(kind: string, handler: VisitorFunction<N>): void;
    visitDefault(node: N, ...args: any[]): any;
    visitNode(node: N, ...args: any[]): any;
    visitTree(tree: N, ...args: any[]): any;
    [property: string]: any;
}

Type Parameters

N extends VisitorNode<N>
The node type being traversed

Implemented by

AbstractVisitor

Indexable

[property: string]: any
The various visitor functions implemented by the subclasses, and any data they need

Index

Methods

removeNodeHandler setNodeHandler visitDefault visitNode visitTree

Methods

removeNodeHandler

removeNodeHandler(kind: string): void
Remove the visitor function for a given node kind
Parameters
- kind: string
  The node kind whose visitor function is to be removed
Returns void
- Defined in ts/core/Tree/Visitor.ts:97

setNodeHandler

setNodeHandler(kind: string, handler: VisitorFunction<N>): void
Define a visitor function for a given node kind
Parameters
- kind: string
  The node kind for which the handler is being defined
- handler: VisitorFunction<N>
  The function to call to handle nodes of this kind
Returns void
- Defined in ts/core/Tree/Visitor.ts:90

visitDefault

visitDefault(node: N, ...args: any[]): any
The default visitor function for when no node-specific function is defined
Parameters
- node: N
  The node to visit
- ...args: any[]
  The arguments to pass to the visitor function for this node
Returns any
Whatever the visitor function returns for this node
- Defined in ts/core/Tree/Visitor.ts:82

visitNode

visitNode(node: N, ...args: any[]): any
Visit a node by calling the visitor function for the given type of node (passing along any needed parameters)
Parameters
- node: N
  The node to visit
- ...args: any[]
  The arguments to pass to the visitor function for this node
Returns any
Whatever the visitor function returns for this node
- Defined in ts/core/Tree/Visitor.ts:73

visitTree

visitTree(tree: N, ...args: any[]): any
Visit the tree rooted at the given node (passing along any needed parameters)
Parameters
- tree: N
  The node that is the root of the tree
- ...args: any[]
  The arguments to pass to the visitNode functions
Returns any
Whatever the visitNode function returns for the root tree node
- Defined in ts/core/Tree/Visitor.ts:63