1 files changed, 130 insertions, 0 deletions
diff --git a/script/src/vm/special.lua b/script/src/vm/special.lua
new file mode 100644
index 00000000..e93c4445
--- /dev/null
+++ b/script/src/vm/special.lua
@@ -0,0 +1,130 @@
+local mt             = require 'vm.manager'
+local multi          = require 'vm.multi'
+local library        = require 'core.library'
+local libraryBuilder = require 'vm.library'
+local plugin         = require 'plugin'
+
+---@param func emmyFunction
+---@param values table
+function mt:callEmmySpecial(func, values, source)
+    local emmyParams = func:getEmmyParams()
+    for index, param in ipairs(emmyParams) do
+        local option = param:getOption()
+        if option and type(option.special) == 'string' then
+            self:checkEmmyParam(func, values, index, option.special, source)
+        end
+    end
+end
+
+---@param func emmyFunction
+---@param values table
+---@param index integer
+---@param special string
+function mt:checkEmmyParam(func, values, index, special, source)
+    if special == 'dofile:1' then
+        self:callEmmyDoFile(func, values, index)
+    elseif special == 'loadfile:1' then
+        self:callEmmyLoadFile(func, values, index)
+    elseif special == 'pcall:1' then
+        self:callEmmyPCall(func, values, index, source)
+    elseif special == 'require:1' then
+        self:callEmmyRequire(func, values, index)
+    end
+end
+
+---@param func emmyFunction
+---@param values table
+---@param index integer
+function mt:callEmmyDoFile(func, values, index)
+    if not values[index] then
+        values[index] = self:createValue('any', self:getDefaultSource())
+    end
+    local str = values[index]:getLiteral()
+    if type(str) ~= 'string' then
+        return
+    end
+    local requireValue = self:tryRequireOne(str, values[index], 'dofile')
+    if not requireValue then
+        requireValue = self:createValue('any', self:getDefaultSource())
+        requireValue.isRequire = true
+    end
+    func:setReturn(1, requireValue)
+end
+
+---@param func emmyFunction
+---@param values table
+---@param index integer
+function mt:callEmmyLoadFile(func, values, index)
+    if not values[index] then
+        values[index] = self:createValue('any', self:getDefaultSource())
+    end
+    local str = values[index]:getLiteral()
+    if type(str) ~= 'string' then
+        return
+    end
+    local requireValue = self:tryRequireOne(str, values[index], 'loadfile')
+    if not requireValue then
+        requireValue = self:createValue('any', self:getDefaultSource())
+        requireValue:set('cross file', true)
+    end
+    func:setReturn(1, requireValue)
+end
+
+---@param func emmyFunction
+---@param values table
+---@param index integer
+---@param source source
+function mt:callEmmyPCall(func, values, index, source)
+    local funcValue = values[index]
+    if not funcValue then
+        return
+    end
+    local realFunc = funcValue:getFunction()
+    if not realFunc then
+        return
+    end
+    local argList = multi()
+    values:eachValue(function (i, v)
+        if i > index then
+            argList:push(v)
+        end
+    end)
+    self:call(funcValue, argList, source)
+    if realFunc ~= func then
+        func:setReturn(1, self:createValue('boolean', source))
+        realFunc:getReturn():eachValue(function (i, v)
+            func:setReturn(i + 1, v)
+        end)
+    end
+end
+
+---@param func emmyFunction
+---@param values table
+---@param index integer
+function mt:callEmmyRequire(func, values, index)
+    if not values[index] then
+        values[index] = self:createValue('any', self:getDefaultSource())
+    end
+    local strValue = values[index]
+    local strSource = strValue:getSource()
+    if not strSource then
+        return nil
+    end
+    local str = strValue:getLiteral()
+    local raw = self.text:sub(strSource.start, strSource.finish)
+    str = plugin.call('OnRequirePath', str, raw) or str
+    local lib = library.library[str]
+    if lib then
+        local value = libraryBuilder.value(lib)
+        value:markGlobal()
+        func:setReturn(1, value)
+        return
+    else
+        local requireValue = self:tryRequireOne(str, strValue, 'require')
+        if not requireValue then
+            requireValue = self:createValue('any', self:getDefaultSource())
+            requireValue:set('cross file', true)
+        end
+        func:setReturn(1, requireValue)
+    end
+end