Node class abstract

Base class for all regular expression Abstract Syntax Tree (AST) nodes.

Implementers

• AlternationNode
• ComplementNode
• ConcatenationNode
• DotNode
• EmptyNode
• EndAnchorNode
• IntersectionNode
• LiteralNode
• QuantificationNode
• RangeNode
• StartAnchorNode

Constructors

Node()

Const constructor for subclasses.

const

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toNfa() → Nfa

Compiles this AST node into a nondeterministic finite automaton (Nfa).

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

fromString(String regexp) → Node

Parses a regular expression string into a Node AST.