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Собственный игрушечный язык программирования на базе Python

Кажется, что мир парсеров и виртуальных машин — удел академиков, а вам остаётся лишь выбирать готовые языки. На деле, имея небольшие знания в Python, вы уже способны собрать свой рабочий «язык-игрушку».

Материал показывает маршрут без «драконьей» теории:

— как описать грамматику языка простыми BNF-правилами;
— зачем строить абстрактное синтаксическое дерево и как обойтись без генераторов кода;
— где прячется «магия» исполнения — от токенизации до стека вызовов;
— как постепенно расширять язык: добавлять условные операторы, циклы, функции.

После прочтения у вас будет каркас своего языка, а главное — понимание, как языки программирования работают. Может вы и не станете делать свой ЯП, зато поймете их устройство.

#python

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Собственный игрушечный язык программирования на базе Python

Кажется, что мир парсеров и виртуальных машин — удел академиков, а вам остаётся лишь выбирать готовые языки. На деле, имея небольшие знания в Python, вы уже способны собрать свой рабочий «язык-игрушку».

Материал показывает маршрут без «драконьей» теории:

— как описать грамматику языка простыми BNF-правилами;
— зачем строить абстрактное синтаксическое дерево и как обойтись без генераторов кода;
— где прячется «магия» исполнения — от токенизации до стека вызовов;
— как постепенно расширять язык: добавлять условные операторы, циклы, функции.

После прочтения у вас будет каркас своего языка, а главное — понимание, как языки программирования работают. Может вы и не станете делать свой ЯП, зато поймете их устройство.

#python
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Telegram and Signal Havens for Right-Wing Extremists

Since the violent storming of Capitol Hill and subsequent ban of former U.S. President Donald Trump from Facebook and Twitter, the removal of Parler from Amazon’s servers, and the de-platforming of incendiary right-wing content, messaging services Telegram and Signal have seen a deluge of new users. In January alone, Telegram reported 90 million new accounts. Its founder, Pavel Durov, described this as “the largest digital migration in human history.” Signal reportedly doubled its user base to 40 million people and became the most downloaded app in 70 countries. The two services rely on encryption to protect the privacy of user communication, which has made them popular with protesters seeking to conceal their identities against repressive governments in places like Belarus, Hong Kong, and Iran. But the same encryption technology has also made them a favored communication tool for criminals and terrorist groups, including al Qaeda and the Islamic State.

Собственный игрушечный язык программирования на базе Python

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