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bpo-43892: Make match patterns explicit in the AST (GH-25585)

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Co-authored-by: Brandt Bucher <brandtbucher@gmail.com>
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Nick Coghlan 2021-04-29 15:58:44 +10:00 • committed by GitHub
parent e52ab42ced
commit 1e7b858575
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20 changed files with 3460 additions and 1377 deletions
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13
Python/ast_unparse.c
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@ -3,6 +3,11 @@
#include <float.h> // DBL_MAX_10_EXP
#include <stdbool.h>
/* This limited unparser is used to convert annotations back to strings
* during compilation rather than being a full AST unparser.
* See ast.unparse for a full unparser (written in Python)
*/
static PyObject *_str_open_br;
static PyObject *_str_dbl_open_br;
static PyObject *_str_close_br;
@ -912,11 +917,11 @@ append_ast_expr(_PyUnicodeWriter *writer, expr_ty e, int level)
return append_ast_tuple(writer, e, level);
case NamedExpr_kind:
return append_named_expr(writer, e, level);
default:
PyErr_SetString(PyExc_SystemError,
"unknown expression kind");
return -1;
// No default so compiler emits a warning for unhandled cases
}
PyErr_SetString(PyExc_SystemError,
"unknown expression kind");
return -1;
}
static int