[3.12] gh-127833: Docs: Add a grammar-snippet directive & replace productionlist (GH-127835)#129690
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[3.12] gh-127833: Docs: Add a grammar-snippet directive & replace productionlist (GH-127835)#129690miss-islington wants to merge 1 commit intopython:3.12python/cpython:3.12from miss-islington:backport-58a4357-3.12miss-islington/cpython:backport-58a4357-3.12Copy head branch name to clipboard
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…roductionlist` (pythonGH-127835) As a first step toward aligning the grammar documentation with Python's actual grammar, this overrides the ReST `productionlist` directive to: - use `:` instead of the `::=` symbol - add syntax highlighting for strings (using a Pygments highlighting class) All links and link targets should be preserved. (Unfortunately, this reaches into some Sphinx internals; I don't see a better way to do exactly what Sphinx does.) This also adds a new directive, `grammar-snippet`, which formats the snippet almost exactly like what's in the source, modulo syntax highlighting and keeping the backtick character to mark links to other rules. This will allow formatting the snippets as in the grammar file (file:///home/encukou/dev/cpython/Doc/build/html/reference/grammar.html). The new directive is applied to two simple rules in toplevel_components.rst --------- (cherry picked from commit 58a4357) Co-authored-by: Petr Viktorin <encukou@gmail.com> Co-authored-by: Blaise Pabon <blaise@gmail.com> Co-authored-by: William Ferreira <wqferr@gmail.com> Co-authored-by: bswck <bartoszpiotrslawecki@gmail.com> Co-authored-by: Adam Turner <9087854+aa-turner@users.noreply.github.com>
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As a first step toward aligning the grammar documentation with Python's actual
grammar, this overrides the ReST
productionlistdirective to::instead of the::=symbolAll links and link targets should be preserved. (Unfortunately, this reaches
into some Sphinx internals; I don't see a better way to do exactly what
Sphinx does.)
This also adds a new directive,
grammar-snippet, which formats the snippetalmost exactly like what's in the source, modulo syntax highlighting and
keeping the backtick character to mark links to other rules.
This will allow formatting the snippets as in the grammar file
(file:///home/encukou/dev/cpython/Doc/build/html/reference/grammar.html).
The new directive is applied to two simple rules in toplevel_components.rst
(cherry picked from commit 58a4357)
Co-authored-by: Petr Viktorin encukou@gmail.com
Co-authored-by: Blaise Pabon blaise@gmail.com
Co-authored-by: William Ferreira wqferr@gmail.com
Co-authored-by: bswck bartoszpiotrslawecki@gmail.com
Co-authored-by: Adam Turner 9087854+aa-turner@users.noreply.github.com
📚 Documentation preview 📚: https://cpython-previews--129690.org.readthedocs.build/