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Diffstat (limited to 'deps/v8/src/conversions.h')
| -rw-r--r-- | deps/v8/src/conversions.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/deps/v8/src/conversions.h b/deps/v8/src/conversions.h index 2dd91d9319..a408132fa8 100644 --- a/deps/v8/src/conversions.h +++ b/deps/v8/src/conversions.h @@ -167,7 +167,15 @@ inline bool IsInt32Double(double value); // We also have to check for negative 0 as it is not a UInteger32. inline bool IsUint32Double(double value); +// Tries to convert |value| to a uint32, setting the result in |uint32_value|. +// If the output does not compare equal to the input, returns false and the +// value in |uint32_value| is left unspecified. +// Used for conversions such as in ECMA-262 15.4.2.2, which check "ToUint32(len) +// is equal to len". +inline bool DoubleToUint32IfEqualToSelf(double value, uint32_t* uint32_value); + // Convert from Number object to C integer. +inline uint32_t PositiveNumberToUint32(Object* number); inline int32_t NumberToInt32(Object* number); inline uint32_t NumberToUint32(Object* number); inline int64_t NumberToInt64(Object* number); |