@flowscripter/mpeg-sdl-parser/src/ast/node/BitModifier.ts

ISO/IEC 14496-34 Syntactic Description Language (MPEG SDL) parser implemented in TypeScript

import type { Token } from "../token/Token.ts";
import type { AbstractClassId } from "./AbstractClassId.ts";
import { AbstractCompositeNode } from "./AbstractCompositeNode.ts";
import type { AbstractNode } from "./AbstractNode.ts";
import { NodeKind } from "./enum/node_kind.ts";
import type { Identifier } from "./Identifier.ts";
import type { NumberLiteral } from "./NumberLiteral.ts";

export class BitModifier extends AbstractCompositeNode {
  constructor(
    public readonly length: NumberLiteral,
    public readonly identifier: Identifier | undefined,
    public readonly classId: AbstractClassId,
    public readonly colonPunctuator: Token,
    public readonly bitKeyword: Token,
    public readonly openParenthesisPunctuator: Token,
    public readonly closeParenthesisPunctuator: Token,
    public readonly assignmentOperator: Token | undefined,
  ) {
    super(NodeKind.BIT_MODIFIER, colonPunctuator, classId.endToken);
  }

  override *getChildNodeIterable(): IterableIterator<AbstractNode> {
    yield this.length;

    if (this.identifier) {
      yield this.identifier;
    }

    yield this.classId;
  }
}