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Finished backporting PEP 3127, Integer Literal Support and Syntax.

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Added 0b and 0o literals to tokenizer.
Modified PyOS_strtoul to support 0b and 0o inputs.
Modified PyLong_FromString to support guessing 0b and 0o inputs.
Renamed test_hexoct.py to test_int_literal.py and added binary tests.
Added upper and lower case 0b, 0O, and 0X tests to test_int_literal.py
This commit is contained in:
Eric Smith 2008-03-17 17:32:20 +00:00
parent 7cfbf0c421
commit 9ff19b5434
7 changed files with 336 additions and 125 deletions
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26
Parser/tokenizer.c
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@ -1335,7 +1335,7 @@ tok_get(register struct tok_state *tok, char **p_start, char **p_end)
/* Number */
if (isdigit(c)) {
if (c == '0') {
/* Hex or octal -- maybe. */
/* Hex, octal or binary -- maybe. */
c = tok_nextc(tok);
if (c == '.')
goto fraction;
@ -1356,6 +1356,30 @@ tok_get(register struct tok_state *tok, char **p_start, char **p_end)
c = tok_nextc(tok);
} while (isxdigit(c));
}
else if (c == 'o' || c == 'O') {
/* Octal */
c = tok_nextc(tok);
if (c < '0' || c > '8') {
tok->done = E_TOKEN;
tok_backup(tok, c);
return ERRORTOKEN;
}
do {
c = tok_nextc(tok);
} while ('0' <= c && c < '8');
}
else if (c == 'b' || c == 'B') {
/* Binary */
c = tok_nextc(tok);
if (c != '0' && c != '1') {
tok->done = E_TOKEN;
tok_backup(tok, c);
return ERRORTOKEN;
}
do {
c = tok_nextc(tok);
} while (c == '0' || c == '1');
}
else {
int found_decimal = 0;
/* Octal; c is first char of it */