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gh-111380: Show SyntaxWarnings only once when parsing if invalid syntax is encouintered (#111381)

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Pablo Galindo Salgado 2023-10-27 12:19:34 +09:00 • committed by GitHub
parent a254120f2f
commit 3d2f1f0b83
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5
Parser/string_parser.c
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@ -13,6 +13,11 @@
static int
warn_invalid_escape_sequence(Parser *p, const char *first_invalid_escape, Token *t)
{
if (p->call_invalid_rules) {
// Do not report warnings if we are in the second pass of the parser
// to avoid showing the warning twice.
return 0;
}
unsigned char c = *first_invalid_escape;
if ((t->type == FSTRING_MIDDLE || t->type == FSTRING_END) && (c == '{' || c == '}')) {
// in this case the tokenizer has already emitted a warning,