Method readUnicodeEscapeSequence

src/parser/scanner.ts:466–482

()

	}

	private readUnicodeEscapeSequence(): `u${string}` {
		if (this.stream.eof || (this.stream.char as string) !== 'u') {
			throw new AiScriptSyntaxError('character "u" expected', this.stream.getPos());
		}
		this.stream.next();

		let code = '';
		for (let i = 0; i < 4; i++) {
			if (this.stream.eof || !hexDigit.test(this.stream.char)) {
				throw new AiScriptSyntaxError('hexadecimal digit expected', this.stream.getPos());
			}
			code += this.stream.char;
			this.stream.next();
		}

		return `u${code}`;
	}

	private tryReadDigits(hasLeftSpacing: boolean): Token | undefined {
		let wholeNumber = '';