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bpo-41746: Add type information to asdl_seq objects (GH-22223)

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* Add new capability to the PEG parser to type variable assignments. For instance:
```
       | a[asdl_stmt_seq*]=';'.small_stmt+ [';'] NEWLINE { a }
```

* Add new sequence types from the asdl definition (automatically generated)
* Make `asdl_seq` type a generic aliasing pointer type.
* Create a new `asdl_generic_seq` for the generic case using `void*`.
* The old `asdl_seq_GET`/`ast_seq_SET` macros now are typed.
* New `asdl_seq_GET_UNTYPED`/`ast_seq_SET_UNTYPED` macros for dealing with generic sequences.
* Changes all possible `asdl_seq` types to use specific versions everywhere.
This commit is contained in:
Pablo Galindo 2020-09-16 19:42:00 +01:00 • committed by GitHub
parent 5c1b46d897
commit a5634c4067
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22 changed files with 1338 additions and 1086 deletions
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Doc/tools/extensions/peg_highlight.py
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@ -43,7 +43,7 @@ class PEGLexer(RegexLexer):
(r"'\W+?'", Text),
(r'"\W+?"', Text),
],
"variables": [(_name + _text_ws + "(=)", bygroups(None, None, None),),],
"variables": [(_name + _text_ws + r"(\[.*\])?" + _text_ws + "(=)", bygroups(None, None, None, None, None),),],
"invalids": [
(r"^(\s+\|\s+invalid_\w+\s*\n)", bygroups(None)),
(r"^(\s+\|\s+incorrect_\w+\s*\n)", bygroups(None)),