From: Batuhan Taskaya <isidentical@gmail.com>
Date: Sun, 12 Dec 2021 21:10:22 +0000 (+0300)
Subject: Support as-expressions on dict items (GH-2686)
X-Git-Url: https://git.madduck.net/etc/vim.git/commitdiff_plain/1c6b3a3a6fbc50b651d4ac34247903041d3f6329

Support as-expressions on dict items (GH-2686)
---

diff --git a/CHANGES.md b/CHANGES.md
index 3724820..0dcf35e 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -5,6 +5,8 @@
 ### _Black_
 
 - Improve error message for invalid regular expression (#2678)
+- Fix mapping cases that contain as-expressions, like `case {"key": 1 | 2 as password}`
+  (#2686)
 
 ## 21.12b0
 
diff --git a/src/blib2to3/Grammar.txt b/src/blib2to3/Grammar.txt
index c3001e8..600712c 100644
--- a/src/blib2to3/Grammar.txt
+++ b/src/blib2to3/Grammar.txt
@@ -168,8 +168,8 @@ subscript: test [':=' test] | [test] ':' [test] [sliceop]
 sliceop: ':' [test]
 exprlist: (expr|star_expr) (',' (expr|star_expr))* [',']
 testlist: test (',' test)* [',']
-dictsetmaker: ( ((test ':' test | '**' expr)
-                 (comp_for | (',' (test ':' test | '**' expr))* [','])) |
+dictsetmaker: ( ((test ':' asexpr_test | '**' expr)
+                 (comp_for | (',' (test ':' asexpr_test | '**' expr))* [','])) |
                 ((test [':=' test] | star_expr)
 		 (comp_for | (',' (test [':=' test] | star_expr))* [','])) )
 
diff --git a/tests/data/pattern_matching_extras.py b/tests/data/pattern_matching_extras.py
index 60ad8a3..c00585e 100644
--- a/tests/data/pattern_matching_extras.py
+++ b/tests/data/pattern_matching_extras.py
@@ -82,3 +82,13 @@ match match:
 match a, *b(), c:
     case d, *f, g:
         pass
+
+
+match something:
+    case {
+        "key": key as key_1,
+        "password": PASS.ONE | PASS.TWO | PASS.THREE as password,
+    }:
+        pass
+    case {"maybe": something(complicated as this) as that}:
+        pass