Mercurial > cpython-lru_cache-weakref

diff Python/ast.c @ 49696:2e0857b0fc67 legacy-trunk

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check for assignment to __debug__ during AST generation Also, give assignment to None a better error message
author Benjamin Peterson <benjamin@python.org>
date Sat, 08 Nov 2008 18:38:54 +0000
parents 6634530a04e0
children b64d053afd84
line wrap: on
line diff
--- a/Python/ast.c	Sat Nov 08 17:07:06 2008 +0000
+++ b/Python/ast.c	Sat Nov 08 18:38:54 2008 +0000
@@ -130,7 +130,9 @@
 forbidden_check(struct compiling *c, const node *n, const char *x)
 {
     if (!strcmp(x, "None"))
-        return ast_error(n, "assignment to None");
+        return ast_error(n, "cannot assign to None");
+    if (!strcmp(x, "__debug__"))
+        return ast_error(n, "cannot assign to __debug__");
     if (Py_Py3kWarningFlag) {
         if (!(strcmp(x, "True") && strcmp(x, "False")) &&
             !ast_warn(c, n, "assignment to True or False is forbidden in 3.x"))