diff options
Diffstat (limited to 'generic/tclStrToD.c')
-rw-r--r-- | generic/tclStrToD.c | 48 |
1 files changed, 32 insertions, 16 deletions
diff --git a/generic/tclStrToD.c b/generic/tclStrToD.c index 2c34866..c7fdc5a 100644 --- a/generic/tclStrToD.c +++ b/generic/tclStrToD.c @@ -18,13 +18,6 @@ #include <math.h> /* - * Define KILL_OCTAL to suppress interpretation of numbers with leading zero - * as octal. (Ceterum censeo: numeros octonarios delendos esse.) - */ - -#undef KILL_OCTAL - -/* * This code supports (at least hypothetically), IBM, Cray, VAX and IEEE-754 * floating point; of these, only IEEE-754 can represent NaN. IEEE-754 can be * uniquely determined by radix and by the widths of significand and exponent. @@ -396,6 +389,9 @@ static Tcl_WideUInt Nokia770Twiddle(Tcl_WideUInt w); * - TCL_PARSE_SCAN_PREFIXES: ignore the prefixes 0b and 0o that are * not part of the [scan] command's vocabulary. Use only in * combination with TCL_PARSE_INTEGER_ONLY. + * - TCL_PARSE_BINARY_ONLY: parse only in the binary format, whether + * or not a prefix is present that would lead to binary parsing. + * Use only in combination with TCL_PARSE_INTEGER_ONLY. * - TCL_PARSE_OCTAL_ONLY: parse only in the octal format, whether * or not a prefix is present that would lead to octal parsing. * Use only in combination with TCL_PARSE_INTEGER_ONLY. @@ -543,6 +539,20 @@ TclParseNumber( */ if (bytes == NULL) { + if (interp == NULL && endPtrPtr == NULL) { + if (objPtr->typePtr == &tclDictType) { + /* A dict can never be a (single) number */ + return TCL_ERROR; + } + if (objPtr->typePtr == &tclListType) { + int length; + /* A list can only be a (single) number if its length == 1 */ + TclListObjLength(NULL, objPtr, &length); + if (length != 1) { + return TCL_ERROR; + } + } + } bytes = TclGetString(objPtr); } @@ -627,6 +637,9 @@ TclParseNumber( acceptPoint = p; acceptLen = len; if (c == 'x' || c == 'X') { + if (flags & (TCL_PARSE_OCTAL_ONLY|TCL_PARSE_BINARY_ONLY)) { + goto endgame; + } state = ZERO_X; break; } @@ -637,6 +650,9 @@ TclParseNumber( goto zeroo; } if (c == 'b' || c == 'B') { + if (flags & TCL_PARSE_OCTAL_ONLY) { + goto endgame; + } state = ZERO_B; break; } @@ -648,7 +664,7 @@ TclParseNumber( state = ZERO_O; break; } -#ifdef KILL_OCTAL +#ifdef TCL_NO_DEPRECATED goto decimal; #endif /* FALLTHROUGH */ @@ -731,7 +747,7 @@ TclParseNumber( goto endgame; } -#ifndef KILL_OCTAL +#ifndef TCL_NO_DEPRECATED /* * Scanned a number with a leading zero that contains an 8, 9, @@ -870,7 +886,7 @@ TclParseNumber( * digits. */ -#ifdef KILL_OCTAL +#ifdef TCL_NO_DEPRECATED decimal: #endif acceptState = state; @@ -1926,7 +1942,7 @@ RefineApproximation( mp_clear(&twoMv); return approxResult; } - } + } /* * Convert the numerator and denominator of the corrector term accurately @@ -3789,7 +3805,7 @@ ShorteningBignumConversion( --s5; /* - * IDEA: It might possibly be a win to fall back to int64 + * IDEA: It might possibly be a win to fall back to int64_t * arithmetic here if S < 2**64/10. But it's a win only for * a fairly narrow range of magnitudes so perhaps not worth * bothering. We already know that we shorten the @@ -3954,7 +3970,7 @@ StrictBignumConversion( * As with the shortening bignum conversion, it's possible at this * point that we will have reduced the denominator to less than * 2**64/10, at which point it would be possible to fall back to - * to int64 arithmetic. But the potential payoff is tremendously + * to int64_t arithmetic. But the potential payoff is tremendously * less - unless we're working in F format - because we know that * three groups of digits will always suffice for %#.17e, the * longest format that doesn't introduce empty precision. @@ -4049,7 +4065,7 @@ StrictBignumConversion( * choosing the one that is closest to the given number (and * resolving ties with 'round to even'). It is allowed to return * fewer than 'ndigits' if the number converts exactly; if the - * TCL_DD_E_FORMAT|TCL_DD_SHORTEN_FLAG is supplied instead, it + * TCL_DD_E_FORMAT|TCL_DD_SHORTEN_FLAG is supplied instead, it * also returns fewer digits if the shorter string will still * reconvert without loss to the given input number. In any case, * strings of trailing zeroes are suppressed. @@ -4583,7 +4599,7 @@ TclBignumToDouble( /* - * We need a 'mantBits'-bit significand. Determine what shift will + * We need a 'mantBits'-bit significand. Determine what shift will * give us that. */ @@ -4598,7 +4614,7 @@ TclBignumToDouble( } shift = mantBits - bits; - /* + /* * If shift > 0, shift the significand left by the requisite number of * bits. If shift == 0, the significand is already exactly 'mantBits' * in length. If shift < 0, we will need to shift the significand right |