import {

Node,

objectAllocator,

SyntaxKind,

} from "../_namespaces/ts.js";

/**

* A `BaseNodeFactory` is an abstraction over an `ObjectAllocator` that handles caching `Node` constructors

* and allocating `Node` instances based on a set of predefined types.

*

* @internal

*/

export interface BaseNodeFactory {

createBaseSourceFileNode(kind: SyntaxKind.SourceFile): Node;

createBaseIdentifierNode(kind: SyntaxKind.Identifier): Node;

createBasePrivateIdentifierNode(kind: SyntaxKind.PrivateIdentifier): Node;

createBaseTokenNode(kind: SyntaxKind): Node;

createBaseNode(kind: SyntaxKind): Node;

}

/**

* Creates a `BaseNodeFactory` which can be used to create `Node` instances from the constructors provided by the object allocator.

*

* @internal

*/

export function createBaseNodeFactory(): BaseNodeFactory {

let NodeConstructor: new (kind: SyntaxKind, pos: number, end: number) => Node;

let TokenConstructor: new (kind: SyntaxKind, pos: number, end: number) => Node;

let IdentifierConstructor: new (kind: SyntaxKind.Identifier, pos: number, end: number) => Node;

let PrivateIdentifierConstructor: new (kind: SyntaxKind.PrivateIdentifier, pos: number, end: number) => Node;

let SourceFileConstructor: new (kind: SyntaxKind.SourceFile, pos: number, end: number) => Node;

return {

createBaseSourceFileNode,

createBaseIdentifierNode,

createBasePrivateIdentifierNode,

createBaseTokenNode,

createBaseNode,

};

function createBaseSourceFileNode(kind: SyntaxKind.SourceFile): Node {

return new (SourceFileConstructor || (SourceFileConstructor = objectAllocator.getSourceFileConstructor()))(kind, /*pos*/ -1, /*end*/ -1);

}

function createBaseIdentifierNode(kind: SyntaxKind.Identifier): Node {

return new (IdentifierConstructor || (IdentifierConstructor = objectAllocator.getIdentifierConstructor()))(kind, /*pos*/ -1, /*end*/ -1);

}

function createBasePrivateIdentifierNode(kind: SyntaxKind.PrivateIdentifier): Node {

return new (PrivateIdentifierConstructor || (PrivateIdentifierConstructor = objectAllocator.getPrivateIdentifierConstructor()))(kind, /*pos*/ -1, /*end*/ -1);

}

function createBaseTokenNode(kind: SyntaxKind): Node {

return new (TokenConstructor || (TokenConstructor = objectAllocator.getTokenConstructor()))(kind, /*pos*/ -1, /*end*/ -1);

}

function createBaseNode(kind: SyntaxKind): Node {

return new (NodeConstructor || (NodeConstructor = objectAllocator.getNodeConstructor()))(kind, /*pos*/ -1, /*end*/ -1);

}

}