bpo-41215: Make assertion in the new parser more strict (GH-21364)

miss-islington · lysnikolaou · web-flow · commit edeaf61b6827 · 2020-07-06T16:35:10.000-07:00
(cherry picked from commit 782f44b) Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
diff --git a/Parser/pegen/pegen.c b/Parser/pegen/pegen.c
@@ -525,7 +525,7 @@ _PyPegen_dummy_name(Parser *p, ...)
 static int
 _get_keyword_or_name_type(Parser *p, const char *name, int name_len)
 {
-    assert(name_len != 0);
+    assert(name_len > 0);
     if (name_len >= p->n_keyword_lists ||
         p->keywords[name_len] == NULL ||
         p->keywords[name_len]->type == -1) {

Original file line number	Diff line number	Diff line change
`@@ -525,7 +525,7 @@ _PyPegen_dummy_name(Parser *p, ...)`
`525`	`525`	`static int`
`526`	`526`	`_get_keyword_or_name_type(Parser p, const char name, int name_len)`
`527`	`527`	`{`
`528`		`- assert(name_len != 0);`
	`528`	`+ assert(name_len > 0);`
`529`	`529`	`if (name_len >= p->n_keyword_lists \|\|`
`530`	`530`	`p->keywords[name_len] == NULL \|\|`
`531`	`531`	`p->keywords[name_len]->type == -1) {`