2 files changed, 55 insertions, 0 deletions
diff --git a/server/src/emmy/funcType.lua b/server/src/emmy/funcType.lua
new file mode 100644
index 00000000..405de594
--- /dev/null
+++ b/server/src/emmy/funcType.lua
@@ -0,0 +1,49 @@
+local listMgr = require 'vm.list'
+
+---@class EmmyFunctionType
+local mt = {}
+mt.__index = mt
+mt.type = 'emmy.functionType'
+
+function mt:getType()
+    return 'function'
+end
+
+function mt:getSource()
+    return listMgr.get(self.source)
+end
+
+function mt:setValue(value)
+    self.value = value
+end
+
+function mt:getValue()
+    return self.value
+end
+
+function mt:addParam(name, type)
+    self._params[#self._params+1] = { name, type }
+end
+
+function mt:addReturn(type)
+    self._return = type
+end
+
+function mt:eachParam(callback)
+    for _, data in ipairs(self._params) do
+        callback(data[1], data[2])
+    end
+end
+
+function mt:getReturn()
+    return self._return
+end
+
+return function (manager, source)
+    local self = setmetatable({
+        source = source.id,
+        _params = {},
+        _manager = manager,
+    }, mt)
+    return self
+end
diff --git a/server/src/emmy/manager.lua b/server/src/emmy/manager.lua
index dad456a8..128ed029 100644
--- a/server/src/emmy/manager.lua
+++ b/server/src/emmy/manager.lua
@@ -9,6 +9,7 @@ local newField     = require 'emmy.field'
 local newGeneric   = require 'emmy.generic'
 local newArrayType = require 'emmy.arrayType'
 local newTableType = require 'emmy.tableType'
+local newFuncType  = require 'emmy.funcType'
 
 local mt = {}
 mt.__index = mt
@@ -116,6 +117,11 @@ function mt:addTableType(source, keyType, valueType)
     return typeObj
 end
 
+function mt:addFunctionType(source)
+    local typeObj = newFuncType(self, source)
+    return typeObj
+end
+
 function mt:addAlias(source, typeObj)
     local aliasName = source[1][1]
     local aliasObj = newAlias(self, source)