Class Constraints
Package: grammarkdown
Represents a set of constraints for a right-hand-side of a Production.
Production[A] ::
[+A] A
[~A] B
Constructors
constructor(openBracketToken, elements, closeBracketToken)
Constructs a new instance of the Constraints
class
Declaration
constructor(openBracketToken: Token<SyntaxKind.OpenBracketToken>, elements: ReadonlyArray<Argument> | undefined, closeBracketToken: Token<SyntaxKind.CloseBracketToken> | undefined);
Parameters
- openBracketToken
- Token<SyntaxKind.OpenBracketToken>
- elements
- ReadonlyArray<Argument> | undefined
- closeBracketToken
- Token<SyntaxKind.CloseBracketToken> | undefined
Properties
closeBracketToken
Declaration
readonly closeBracketToken: Token<SyntaxKind.CloseBracketToken> | undefined;
Property Value
Token<SyntaxKind.CloseBracketToken> | undefined
edgeCount
Declaration
protected get edgeCount(): number;
Property Value
number
elements
Declaration
readonly elements: ReadonlyArray<Argument> | undefined;
Property Value
ReadonlyArray<Argument> | undefined
firstChild
Declaration
get firstChild(): Node | undefined;
Property Value
Node | undefined
lastChild
Declaration
get lastChild(): Node | undefined;
Property Value
Node | undefined
openBracketToken
Declaration
readonly openBracketToken: Token<SyntaxKind.OpenBracketToken>;
Property Value
Methods
accept(visitor)
Declaration
protected accept(visitor: NodeVisitor): Constraints;
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
update(elements)
Declaration
update(elements: ReadonlyArray<Argument> | undefined): Constraints;
Parameters
- elements
- ReadonlyArray<Argument> | undefined