121 lines
2.5 KiB
Lua
121 lines
2.5 KiB
Lua
local Macro = {}
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Macro.__index = Macro
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-- Macro 宏类
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-- 提供宏定义和执行的功能
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--
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-- 宏命令支持以下类别：
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-- {} 空表，占位符
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-- { placeholder = 3 } 占位符，placeholder 表示占位符个数（这样不用重复塞多个空表了）
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-- 其他类型都视为参数
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--
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-- 注意：表中含有 nil 可能会造成不可预料的问题
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function Macro:new(macroSeries)
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if not macroSeries or type(macroSeries) ~= "table" then
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return nil
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end
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local obj = {
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rawSeries = macroSeries,
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macroLen = 0,
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compiledSeries = nil,
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compiledLen = 0,
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pointer = 0
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}
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setmetatable(obj, Macro)
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obj:compile()
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return obj
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end
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function Macro:compile()
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self.compiledSeries = {}
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for _, v in ipairs(self.rawSeries) do
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if type(v) ~= "table" then
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table.insert(self.compiledSeries, v)
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goto continue
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end
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if v == nil or next(v) == nil then
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-- 是nil或空表
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table.insert(self.compiledSeries, {})
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elseif v.placeholder then
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for i = 1, v.placeholder do
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table.insert(self.compiledSeries, {})
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end
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else
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-- 非特殊指令
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table.insert(self.compiledSeries, v)
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end
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::continue::
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end
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self.compiledLen = #self.compiledSeries
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end
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function Macro:getNext(loop)
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if self.pointer >= self.compiledLen then
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if not loop then
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return nil
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end
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self:reset()
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end
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self.pointer = self.pointer + 1
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local cmd = self.compiledSeries[self.pointer]
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if cmd == nil then -- 理论不应该是nil，此处保险
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return nil
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end
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if type(cmd) ~= "table" then
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return cmd
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end
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if next(cmd) == nil then
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return nil
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end
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return cmd
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end
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function Macro:reset()
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self.pointer = 0
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end
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function Macro:runNext(func, forceRun)
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if not func or type(func) ~= "function" then
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return
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end
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if type(forceRun) ~= "boolean" then
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forceRun = false
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end
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local cmd = self:getNext(false)
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if not cmd then
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if forceRun then
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func(nil)
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end
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return
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end
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func(cmd)
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end
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function Macro:runNextLoop(func, forceRun)
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if not func or type(func) ~= "function" then
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return
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end
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if type(forceRun) ~= "boolean" then
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forceRun = false
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end
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local cmd = self:getNext(true)
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if not cmd then
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if forceRun then
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func(nil)
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end
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return
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end
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func(cmd)
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end
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return Macro
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