.dotfiles/nvim/mason/packages/lua-language-server/libexec/meta/LuaJIT en-us utf8/bit32.lua

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3.9 KiB
Lua

---@meta bit32
---@version 5.2
---
---
---
---[View documents](http://www.lua.org/manual/5.1/manual.html#pdf-bit32)
---
---@class bit32lib
bit32 = {}
---
---Returns the number `x` shifted `disp` bits to the right. Negative displacements shift to the left.
---
---This shift operation is what is called arithmetic shift. Vacant bits on the left are filled with copies of the higher bit of `x`; vacant bits on the right are filled with zeros.
---
---
---[View documents](http://www.lua.org/manual/5.1/manual.html#pdf-bit32.arshift)
---
---@param x integer
---@param disp integer
---@return integer
---@nodiscard
function bit32.arshift(x, disp) end
---
---Returns the bitwise *and* of its operands.
---
---[View documents](http://www.lua.org/manual/5.1/manual.html#pdf-bit32.band)
---
---@return integer
---@nodiscard
function bit32.band(...) end
---
---Returns the bitwise negation of `x`.
---
---```lua
---assert(bit32.bnot(x) ==
---(-1 - x) % 2^32)
---```
---
---
---[View documents](http://www.lua.org/manual/5.1/manual.html#pdf-bit32.bnot)
---
---@param x integer
---@return integer
---@nodiscard
function bit32.bnot(x) end
---
---Returns the bitwise *or* of its operands.
---
---[View documents](http://www.lua.org/manual/5.1/manual.html#pdf-bit32.bor)
---
---@return integer
---@nodiscard
function bit32.bor(...) end
---
---Returns a boolean signaling whether the bitwise *and* of its operands is different from zero.
---
---[View documents](http://www.lua.org/manual/5.1/manual.html#pdf-bit32.btest)
---
---@return boolean
---@nodiscard
function bit32.btest(...) end
---
---Returns the bitwise *exclusive or* of its operands.
---
---[View documents](http://www.lua.org/manual/5.1/manual.html#pdf-bit32.bxor)
---
---@return integer
---@nodiscard
function bit32.bxor(...) end
---
---Returns the unsigned number formed by the bits `field` to `field + width - 1` from `n`.
---
---[View documents](http://www.lua.org/manual/5.1/manual.html#pdf-bit32.extract)
---
---@param n integer
---@param field integer
---@param width? integer
---@return integer
---@nodiscard
function bit32.extract(n, field, width) end
---
---Returns a copy of `n` with the bits `field` to `field + width - 1` replaced by the value `v` .
---
---[View documents](http://www.lua.org/manual/5.1/manual.html#pdf-bit32.replace)
---
---@param n integer
---@param v integer
---@param field integer
---@param width? integer
---@nodiscard
function bit32.replace(n, v, field, width) end
---
---Returns the number `x` rotated `disp` bits to the left. Negative displacements rotate to the right.
---
---[View documents](http://www.lua.org/manual/5.1/manual.html#pdf-bit32.lrotate)
---
---@param x integer
---@param distp integer
---@return integer
---@nodiscard
function bit32.lrotate(x, distp) end
---
---Returns the number `x` shifted `disp` bits to the left. Negative displacements shift to the right. In any direction, vacant bits are filled with zeros.
---
---```lua
---assert(bit32.lshift(b, disp) ==
---(b * 2^disp) % 2^32)
---```
---
---
---[View documents](http://www.lua.org/manual/5.1/manual.html#pdf-bit32.lshift)
---
---@param x integer
---@param distp integer
---@return integer
---@nodiscard
function bit32.lshift(x, distp) end
---
---Returns the number `x` rotated `disp` bits to the right. Negative displacements rotate to the left.
---
---[View documents](http://www.lua.org/manual/5.1/manual.html#pdf-bit32.rrotate)
---
---@param x integer
---@param distp integer
---@return integer
---@nodiscard
function bit32.rrotate(x, distp) end
---
---Returns the number `x` shifted `disp` bits to the right. Negative displacements shift to the left. In any direction, vacant bits are filled with zeros.
---
---```lua
---assert(bit32.rshift(b, disp) ==
---math.floor(b % 2^32 / 2^disp))
---```
---
---
---[View documents](http://www.lua.org/manual/5.1/manual.html#pdf-bit32.rshift)
---
---@param x integer
---@param distp integer
---@return integer
---@nodiscard
function bit32.rshift(x, distp) end
return bit32