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| author | Damien George <damien@micropython.org> | 2024-07-18 12:44:44 +1000 |
|---|---|---|
| committer | Damien George <damien@micropython.org> | 2024-07-18 12:44:44 +1000 |
| commit | 96007e7de55810b20134b050c80cbc7a6d1d5a57 (patch) | |
| tree | 5e6869f5f9e742494f98499152e4108b8732a898 /py/lexer.c | |
| parent | e00d80d9e27552760603b507c77aad6f5705174f (diff) | |
| download | micropython-96007e7de55810b20134b050c80cbc7a6d1d5a57.tar.gz micropython-96007e7de55810b20134b050c80cbc7a6d1d5a57.zip | |
py/lexer: Add static assert that token enum values all fit in a byte.
Signed-off-by: Damien George <damien@micropython.org>
Diffstat (limited to 'py/lexer.c')
| -rw-r--r-- | py/lexer.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/py/lexer.c b/py/lexer.c index 48497663c5..98a10c87b2 100644 --- a/py/lexer.c +++ b/py/lexer.c @@ -228,7 +228,6 @@ static const char *const tok_enc = "=e=" // = == "!."; // start of special cases: != . ... -// TODO static assert that number of tokens is less than 256 so we can safely make this table with byte sized entries static const uint8_t tok_enc_kind[] = { MP_TOKEN_DEL_PAREN_OPEN, MP_TOKEN_DEL_PAREN_CLOSE, MP_TOKEN_DEL_BRACKET_OPEN, MP_TOKEN_DEL_BRACKET_CLOSE, @@ -774,6 +773,9 @@ void mp_lexer_to_next(mp_lexer_t *lex) { } else { // search for encoded delimiter or operator + // assert that the token enum value fits in a byte, so they all fit in tok_enc_kind + MP_STATIC_ASSERT(MP_TOKEN_NUMBER_OF <= 256); + const char *t = tok_enc; size_t tok_enc_index = 0; for (; *t != 0 && !is_char(lex, *t); t += 1) { |