ceph/src/jaegertracing/opentelemetry-cpp/third_party/prometheus-cpp/3rdparty/civetweb/src/third_party/duktape-1.5.2/src-separate/duk_numconv.h

   1 #ifndef DUK_NUMCONV_H_INCLUDED
   2 #define DUK_NUMCONV_H_INCLUDED
   3
   4 /*
   5  *  Number-to-string conversion.  The semantics of these is very tightly
   6  *  bound with the Ecmascript semantics required for call sites.
   7  */
   8
   9 /* Output a specified number of digits instead of using the shortest
  10  * form.  Used for toPrecision() and toFixed().
  11  */
  12 #define DUK_N2S_FLAG_FIXED_FORMAT         (1 << 0)
  13
  14 /* Force exponential format.  Used for toExponential(). */
  15 #define DUK_N2S_FLAG_FORCE_EXP            (1 << 1)
  16
  17 /* If number would need zero padding (for whole number part), use
  18  * exponential format instead.  E.g. if input number is 12300, 3
  19  * digits are generated ("123"), output "1.23e+4" instead of "12300".
  20  * Used for toPrecision().
  21  */
  22 #define DUK_N2S_FLAG_NO_ZERO_PAD          (1 << 2)
  23
  24 /* Digit count indicates number of fractions (i.e. an absolute
  25  * digit index instead of a relative one).  Used together with
  26  * DUK_N2S_FLAG_FIXED_FORMAT for toFixed().
  27  */
  28 #define DUK_N2S_FLAG_FRACTION_DIGITS      (1 << 3)
  29
  30 /*
  31  *  String-to-number conversion
  32  */
  33
  34 /* Maximum exponent value when parsing numbers.  This is not strictly
  35  * compliant as there should be no upper limit, but as we parse the
  36  * exponent without a bigint, impose some limit.
  37  */
  38 #define DUK_S2N_MAX_EXPONENT              1000000000
  39
  40 /* Trim white space (= allow leading and trailing whitespace) */
  41 #define DUK_S2N_FLAG_TRIM_WHITE           (1 << 0)
  42
  43 /* Allow exponent */
  44 #define DUK_S2N_FLAG_ALLOW_EXP            (1 << 1)
  45
  46 /* Allow trailing garbage (e.g. treat "123foo" as "123) */
  47 #define DUK_S2N_FLAG_ALLOW_GARBAGE        (1 << 2)
  48
  49 /* Allow leading plus sign */
  50 #define DUK_S2N_FLAG_ALLOW_PLUS           (1 << 3)
  51
  52 /* Allow leading minus sign */
  53 #define DUK_S2N_FLAG_ALLOW_MINUS          (1 << 4)
  54
  55 /* Allow 'Infinity' */
  56 #define DUK_S2N_FLAG_ALLOW_INF            (1 << 5)
  57
  58 /* Allow fraction part */
  59 #define DUK_S2N_FLAG_ALLOW_FRAC           (1 << 6)
  60
  61 /* Allow naked fraction (e.g. ".123") */
  62 #define DUK_S2N_FLAG_ALLOW_NAKED_FRAC     (1 << 7)
  63
  64 /* Allow empty fraction (e.g. "123.") */
  65 #define DUK_S2N_FLAG_ALLOW_EMPTY_FRAC     (1 << 8)
  66
  67 /* Allow empty string to be interpreted as 0 */
  68 #define DUK_S2N_FLAG_ALLOW_EMPTY_AS_ZERO  (1 << 9)
  69
  70 /* Allow leading zeroes (e.g. "0123" -> "123") */
  71 #define DUK_S2N_FLAG_ALLOW_LEADING_ZERO   (1 << 10)
  72
  73 /* Allow automatic detection of hex base ("0x" or "0X" prefix),
  74  * overrides radix argument and forces integer mode.
  75  */
  76 #define DUK_S2N_FLAG_ALLOW_AUTO_HEX_INT   (1 << 11)
  77
  78 /* Allow automatic detection of octal base, overrides radix
  79  * argument and forces integer mode.
  80  */
  81 #define DUK_S2N_FLAG_ALLOW_AUTO_OCT_INT   (1 << 12)
  82
  83 /*
  84  *  Prototypes
  85  */
  86
  87 DUK_INTERNAL_DECL void duk_numconv_stringify(duk_context *ctx, duk_small_int_t radix, duk_small_int_t digits, duk_small_uint_t flags);
  88 DUK_INTERNAL_DECL void duk_numconv_parse(duk_context *ctx, duk_small_int_t radix, duk_small_uint_t flags);
  89
  90 #endif  /* DUK_NUMCONV_H_INCLUDED */