10. Full Grammar specification
10. Full Grammar specification¶ This is the full Python grammar, derived directly from the grammar used to generate the CPython parser (see Grammar/python.gram). The version here omits details related to code generation and error recovery. The notation is a mixture of EBNF and PEG. In particular, & followed by a symbol, token or parenthesized group indicates a positive lookahead (i.e., is required
leontrolski - adding Python syntax
⇦ 2024-10-17 Adding syntax to the cpython interpreter Condensed version of this cool blog post. Let's add some new syntax to Python! Making a small change is not so hard. Our aim is to make ternary statements default to None as they do in Ruby: >>> "hello" if 2 + 2 == 4 "hello" >>> "hello" if 2 + 2 == 5 None In existing Python, we get an error: File "<python-input-0>", line 1 "hello" if 2 + 2 == 5
1
リリース、障害情報などのサービスのお知らせ
最新の人気エントリーの配信
j次のブックマーク
k前のブックマーク
lあとで読む
eコメント一覧を開く
oページを開く
Decorator JITs - Python as a DSL - Eli Bendersky's website
Decorator JITs - Python as a DSL | Lobsters
cpython/InternalDocs/changing_grammar.md at main · python/cpython
CPython’s internals
cpython/Grammar/python.gram at main · python/cpython
Changing CPython’s grammar
How I Patched Python to Include This Ruby Feature
Adding syntax to the CPython interpreter | Hacker News