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-rw-r--r--py/lexer.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/py/lexer.c b/py/lexer.c
index c77b459ebf..6bacb9fc6f 100644
--- a/py/lexer.c
+++ b/py/lexer.c
@@ -105,8 +105,9 @@ STATIC bool is_following_digit(mp_lexer_t *lex) {
return unichar_isdigit(lex->chr1);
}
-STATIC bool is_following_letter(mp_lexer_t *lex) {
- return unichar_isalpha(lex->chr1);
+STATIC bool is_following_base_char(mp_lexer_t *lex) {
+ const unichar chr1 = lex->chr1 | 0x20;
+ return chr1 == 'b' || chr1 == 'o' || chr1 == 'x';
}
STATIC bool is_following_odigit(mp_lexer_t *lex) {
@@ -541,7 +542,7 @@ STATIC void mp_lexer_next_token_into(mp_lexer_t *lex, bool first_token) {
lex->tok_kind = MP_TOKEN_FLOAT_OR_IMAG;
} else {
lex->tok_kind = MP_TOKEN_INTEGER;
- if (is_char(lex, '0') && is_following_letter(lex)) {
+ if (is_char(lex, '0') && is_following_base_char(lex)) {
forced_integer = true;
}
}