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bpo-47129: Add more informative messages to f-string syntax errors (32127)

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* Add more informative messages to f-string syntax errors

* 📜🤖 Added by blurb_it.

* Fix whitespaces

* Change error message

* Remove the 'else' statement (as sugested in review)

Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
This commit is contained in:
Maciej Górski 2022-03-28 23:08:36 +02:00 • committed by GitHub
parent 15ba8167d7
commit 7b44ade018
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 35 additions and 11 deletions
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5
Parser/string_parser.c
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@ -357,7 +357,12 @@ fstring_compile_expr(Parser *p, const char *expr_start, const char *expr_end,
break;
}
}
if (s == expr_end) {
if (*expr_end == '!' || *expr_end == ':' || *expr_end == '=') {
RAISE_SYNTAX_ERROR("f-string: expression required before '%c'", *expr_end);
return NULL;
}
RAISE_SYNTAX_ERROR("f-string: empty expression not allowed");
return NULL;
}