Node {DSLite}

Simple AST node

Description

Abstract Syntaxic Tree (AST) node that will be created by the DSLite R parser.

Public fields

name

Token value

parent

Parent Node

children

Children Nodes

Methods

Public methods

• Node$new()

• Node$set_parent()

• Node$add_child()

• Node$to_string()

• Node$to_string_children()

• Node$accept()

• Node$clone()

Method new()

Simple node constructor

Usage

Node$new(name = NA, parent = NA)

Arguments

name

Token value

parent

Parent Node

Returns

A Node object

Method set_parent()

Set parent Node

Usage

Node$set_parent(val)

Arguments

val

Parent Node

Method add_child()

Add a child Node

Usage

Node$add_child(val)

Arguments

val

Child Node

Method to_string()

The string representation of the Node

Usage

Node$to_string()

Method to_string_children()

Get the string representation of the Node's children

Usage

Node$to_string_children()

Method accept()

Accept visitor

Usage

Node$accept(visitor)

Arguments

visitor

Node visitor object

Method clone()

The objects of this class are cloneable with this method.

Usage

Node$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.

See Also

Other parser items: BinaryOpNode, FormulaNode, FunctionNode, GroupNode, NumericNode, ParameterNode, RangeNode, StringNode, SymbolNode, UnaryOpNode