File use-PyUnicode_DecodeUnicodeEscape.patch of Package python-typed-ast

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File use-PyUnicode_DecodeUnicodeEscape.patch of Package python-typed-ast (Revision e1389ef29a78f7fb8cbd0417e23ee1dd)

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From 3ba83b4933dcebc886e67aa40d51c0a1678c93e9 Mon Sep 17 00:00:00 2001
From: Sebastian Rittau <srittau@rittau.biz>
Date: Wed, 10 Nov 2021 19:19:14 +0100
Subject: [PATCH] Use PyUnicode_DecodeUnicodeEscape directly

---
 ast3/Python/ast.c | 22 +---------------------
 1 file changed, 1 insertion(+), 21 deletions(-)

diff --git a/ast3/Python/ast.c b/ast3/Python/ast.c
index 60b8fdd..eb7d764 100644
--- a/ast3/Python/ast.c
+++ b/ast3/Python/ast.c
@@ -58,16 +58,6 @@ _PyBytes_DecodeEscape(const char *s,
 
 #endif
 
-PyObject *
-_PyUnicode_DecodeUnicodeEscape(const char *s,
-                               Py_ssize_t size,
-                               const char *errors,
-                               const char **first_invalid_escape)
-{
-    *first_invalid_escape = NULL;
-    return PyUnicode_DecodeUnicodeEscape(s, size, errors);
-}
-
 static int validate_stmts(asdl_seq *);
 static int validate_exprs(asdl_seq *, expr_context_ty, int);
 static int validate_nonempty_seq(asdl_seq *, const char *, const char *);
@@ -4461,7 +4451,6 @@ decode_unicode_with_escapes(struct compiling *c, const node *n, const char *s,
     char *buf;
     char *p;
     const char *end;
-    const char *first_invalid_escape;
 
     /* check for integer overflow */
     if (len > SIZE_MAX / 6)
@@ -4511,17 +4500,8 @@ decode_unicode_with_escapes(struct compiling *c, const node *n, const char *s,
     len = p - buf;
     s = buf;
 
-    v = _PyUnicode_DecodeUnicodeEscape(s, len, NULL, &first_invalid_escape);
+    v = PyUnicode_DecodeUnicodeEscape(s, len, NULL);
 
-    if (v != NULL && first_invalid_escape != NULL) {
-        if (warn_invalid_escape_sequence(c, n, *first_invalid_escape) < 0) {
-            /* We have not decref u before because first_invalid_escape points
-               inside u. */
-            Py_XDECREF(u);
-            Py_DECREF(v);
-            return NULL;
-        }
-    }
     Py_XDECREF(u);
     return v;
 }

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File use-PyUnicode_DecodeUnicodeEscape.patch of Package python-typed-ast (Revision e1389ef29a78f7fb8cbd0417e23ee1dd)

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