Class EmptyAssertion
Package: grammarkdown
Represents the empty
assertion, which matches exactly zero tokens.
[empty]
Constructors
constructor(openBracketToken, emptyKeyword, closeBracketToken)
Constructs a new instance of the EmptyAssertion
class
Declaration
constructor(openBracketToken: Token<SyntaxKind.OpenBracketToken>, emptyKeyword: Token<SyntaxKind.EmptyKeyword>, closeBracketToken: Token<SyntaxKind.CloseBracketToken> | undefined);
Parameters
- openBracketToken
- Token<SyntaxKind.OpenBracketToken>
- emptyKeyword
- Token<SyntaxKind.EmptyKeyword>
- closeBracketToken
- Token<SyntaxKind.CloseBracketToken> | undefined
Properties
edgeCount
Declaration
protected get edgeCount(): number;
Property Value
number
emptyKeyword
Declaration
readonly emptyKeyword: Token<SyntaxKind.EmptyKeyword>;
Property Value
lastChild
Declaration
get lastChild(): Node | undefined;
Property Value
Node | undefined
Methods
accept(visitor)
Declaration
protected accept(visitor: NodeVisitor): EmptyAssertion;
Parameters
- visitor
- NodeVisitor
Returns
children()
Declaration
children(): IterableIterator<Node>;
Returns
IterableIterator<Node>
edgeName(offset)
Declaration
protected edgeName(offset: number): string | undefined;
Parameters
- offset
- number
Returns
string | undefined
edgeValue(offset)
Declaration
protected edgeValue(offset: number): Node | ReadonlyArray<Node> | undefined;
Parameters
- offset
- number
Returns
forEachChild(cbNode)
Declaration
forEachChild<T>(cbNode: (node: Node) => T | undefined): T | undefined;
Type Parameters
- T
Parameters
- cbNode
- (node: Node) => T | undefined
Returns
T | undefined