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perf: drop the initial stack copy (#2670)
[etc/vim.git] / src / blib2to3 / Grammar.txt
diff --git a/src/blib2to3/Grammar.txt b/src/blib2to3/Grammar.txt
index 49680323d8b8fe83c98bee1940ee4e1d1e1f94d1..c3001e810652f7c28ed78f679854d3aeb6d9f15b 100644 (file)
--- a/src/blib2to3/Grammar.txt
+++ b/src/blib2to3/Grammar.txt
@@ -186,6 +186,7 @@ arglist: argument (',' argument)* [',']
 # that precede iterable unpackings are blocked; etc.
 argument: ( test [comp_for] |
             test ':=' test |
+            test 'as' test |
             test '=' test |
            '**' test |
             '*' test )
@@ -237,7 +238,11 @@ yield_arg: 'from' test | testlist_star_expr
 # to reformat them.
 
 match_stmt: "match" subject_expr ':' NEWLINE INDENT case_block+ DEDENT
-subject_expr: namedexpr_test
+
+# This is more permissive than the actual version. For example it
+# accepts `match *something:`, even though single-item starred expressions
+# are forbidden.
+subject_expr: (namedexpr_test|star_expr) (',' (namedexpr_test|star_expr))* [',']
 
 # cases
 case_block: "case" patterns [guard] ':' suite
vim configuration

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