diff options
Diffstat (limited to 'js/src/jsnum.h')
| -rw-r--r-- | js/src/jsnum.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/jsnum.h b/js/src/jsnum.h index f169a9c38d..ee07d0a35d 100644 --- a/js/src/jsnum.h +++ b/js/src/jsnum.h @@ -308,6 +308,15 @@ MOZ_MUST_USE bool ToLengthClamped(T* cx, HandleValue v, uint32_t* out, bool* ove */ MOZ_MUST_USE bool ToIntegerIndex(JSContext* cx, JS::HandleValue v, uint64_t* index); +/* ES2017 draft 7.1.17 ToIndex + * + * Return true and set |*index| to the integer value if |v| is a valid + * integer index value. Otherwise report a RangeError and return false. + * + * The returned index will always be in the range 0 <= *index <= 2^53-1. + */ +MOZ_MUST_USE bool ToIndex(JSContext* cx, JS::HandleValue v, uint64_t* index); + MOZ_MUST_USE inline bool SafeAdd(int32_t one, int32_t two, int32_t* res) { @@ -362,6 +371,31 @@ ToNumber(ExclusiveContext* cx, HandleValue v, double* out) return ToNumberSlow(cx, v, out); } +bool +ToNumericSlow(ExclusiveContext* cx, JS::MutableHandleValue vp); + +// BigInt proposal section 3.1.6 +MOZ_ALWAYS_INLINE MOZ_MUST_USE bool +ToNumeric(ExclusiveContext* cx, JS::MutableHandleValue vp) +{ + if (vp.isNumeric()) { + return true; + } + return ToNumericSlow(cx, vp); +} + +bool +ToInt32OrBigIntSlow(JSContext* cx, JS::MutableHandleValue vp); + +MOZ_ALWAYS_INLINE MOZ_MUST_USE bool +ToInt32OrBigInt(JSContext* cx, JS::MutableHandleValue vp) +{ + if (vp.isInt32()) { + return true; + } + return ToInt32OrBigIntSlow(cx, vp); +} + void FIX_FPU(); } /* namespace js */ |