Method expectKeyword

src/parser.ts:468–473

(keyword)

    // If not, an exception will be thrown.

    expectKeyword(keyword) {
        const token = this.nextToken();
        if (token.type !== Token.Keyword || token.value !== keyword) {
            this.throwUnexpectedToken(token);
        }
    }

    // Return true if the next token matches the specified punctuator.