4 files changed, 83 insertions, 24 deletions
diff --git a/lib/tolua++/src/bin/lua/basic.lua b/lib/tolua++/src/bin/lua/basic.lua
index f651f1fe6..4bff5276b 100644
--- a/lib/tolua++/src/bin/lua/basic.lua
+++ b/lib/tolua++/src/bin/lua/basic.lua
@@ -23,6 +23,7 @@ _basic = {
  ['unsigned'] = 'number',
  ['float'] = 'number',
  ['double'] = 'number',
+ ['size_t'] = 'number',
  ['_cstring'] = 'string',
  ['_userdata'] = 'userdata',
  ['char*'] = 'string',
@@ -66,6 +67,8 @@ _global_enums = {}
 
 -- List of auto renaming
 _renaming = {}
+
+_enums = {}
 function appendrenaming (s)
  local b,e,old,new = strfind(s,"%s*(.-)%s*@%s*(.-)%s*$")
 	if not b then
@@ -145,6 +148,11 @@ function typevar(type)
 	end
 end
 
+-- is enum
+function isenumtype (type) 
+  return _enums[type]
+end
+
 -- check if basic type
 function isbasic (type)
  local t = gsub(type,'const ','')
@@ -382,6 +390,7 @@ end
 
 _push_functions = {}
 _is_functions = {}
+_enums = {}
 _to_functions = {}
 
 _base_push_functions = {}
@@ -410,5 +419,8 @@ function get_to_function(t)
 end
 
 function get_is_function(t)
+	if _enums[t] then
+		return "tolua_is" .. t
+	end
 	return _is_functions[t] or search_base(t, _base_is_functions) or "tolua_isusertype"
 end
diff --git a/lib/tolua++/src/bin/lua/declaration.lua b/lib/tolua++/src/bin/lua/declaration.lua
index 73bbe910e..26ceeba22 100644
--- a/lib/tolua++/src/bin/lua/declaration.lua
+++ b/lib/tolua++/src/bin/lua/declaration.lua
@@ -227,6 +227,8 @@ function classDeclaration:outchecktype (narg)
 	--else
 	return '!tolua_istable(tolua_S,'..narg..',0,&tolua_err)'
  	--end
+ elseif isenumtype(self.type) ~= nil then
+ 	return '!tolua_is'..self.type..'(tolua_S,'..narg..','..def..',&tolua_err)'
  elseif t then
 	return '!tolua_is'..t..'(tolua_S,'..narg..','..def..',&tolua_err)'
  else
diff --git a/lib/tolua++/src/bin/lua/enumerate.lua b/lib/tolua++/src/bin/lua/enumerate.lua
index 99fe74629..09b22a094 100644
--- a/lib/tolua++/src/bin/lua/enumerate.lua
+++ b/lib/tolua++/src/bin/lua/enumerate.lua
@@ -48,6 +48,25 @@ function classEnumerate:print (ident,close)
  print(ident.."}"..close)
 end
 
+function emitenumprototype(type)
+ output("int tolua_is" .. string.gsub(type,"::","_") .. " (lua_State* L, int lo, int def, tolua_Error* err);")
+end
+
+_global_output_enums = {}
+
+-- write support code
+function classEnumerate:supcode ()
+	if _global_output_enums[self.name] == nil then
+		_global_output_enums[self.name] = 1
+		output("int tolua_is" .. string.gsub(self.name,"::","_") .. " (lua_State* L, int lo, int def, tolua_Error* err)")
+		output("{")
+		output("if (!tolua_isnumber(L,lo,def,err)) return 0;")
+		output("lua_Number val = tolua_tonumber(L,lo,def);")
+		output("return val >= " .. self.min .. ".0 && val <= " ..self.max .. ".0;")
+		output("}")
+	end
+end
+
 -- Internal constructor
 function _Enumerate (t,varname)
  setmetatable(t,classEnumerate)
@@ -67,40 +86,57 @@ function _Enumerate (t,varname)
 		t.access = parent.curr_member_access
 		t.global_access = t:check_public_access()
 	 end
-return t
+	return t
 end
 
 -- Constructor
 -- Expects a string representing the enumerate body
 function Enumerate (n,b,varname)
 	b = string.gsub(b, ",[%s\n]*}", "\n}") -- eliminate last ','
- local t = split(strsub(b,2,-2),',') -- eliminate braces
- local i = 1
- local e = {n=0}
- while t[i] do
-  local tt = split(t[i],'=')  -- discard initial value
-  e.n = e.n + 1
-  e[e.n] = tt[1]
-  i = i+1
- end
- -- set lua names
- i  = 1
- e.lnames = {}
- local ns = getcurrnamespace()
- while e[i] do
-  local t = split(e[i],'@')
-  e[i] = t[1]
+	local t = split(strsub(b,2,-2),',') -- eliminate braces
+	local i = 1
+	local e = {n=0}
+	local value = 0
+	local min = 0
+	local max = 0
+	while t[i] do
+		local tt = split(t[i],'=')  -- discard initial value
+		e.n = e.n + 1
+		e[e.n] = tt[1]
+		tt[2] = tonumber(tt[2])
+		if tt[2] == nil then
+			tt[2] = value
+		end 
+  		value = tt[2] + 1 -- advance the selected value
+		if tt[2] > max then
+			max = tt[2]
+		end
+		if tt[2] < min then
+			min = tt[2]
+		end
+		i = i+1
+	end
+	-- set lua names
+	i  = 1
+	e.lnames = {}
+	local ns = getcurrnamespace()
+	while e[i] do
+		local t = split(e[i],'@')
+		e[i] = t[1]
 		if not t[2] then
-		 t[2] = applyrenaming(t[1])
+			t[2] = applyrenaming(t[1])
 		end
-  e.lnames[i] = t[2] or t[1]
-  _global_enums[ ns..e[i] ] = (ns..e[i])
-  i = i+1
- end
+		e.lnames[i] = t[2] or t[1]
+		_global_enums[ ns..e[i] ] = (ns..e[i])
+		i = i+1
+	end
 	e.name = n
+	e.min = min
+	e.max = max
 	if n ~= "" then
+		_enums[n] = true
 		Typedef("int "..n)
 	end
- return _Enumerate(e, varname)
+	return _Enumerate(e, varname)
 end
 
diff --git a/lib/tolua++/src/bin/lua/function.lua b/lib/tolua++/src/bin/lua/function.lua
index 2358e9ff7..3b6b53c5e 100644
--- a/lib/tolua++/src/bin/lua/function.lua
+++ b/lib/tolua++/src/bin/lua/function.lua
@@ -50,11 +50,20 @@ end
 -- Write binding function
 -- Outputs C/C++ binding function.
 function classFunction:supcode (local_constructor)
-
  local overload = strsub(self.cname,-2,-1) - 1  -- indicate overloaded func
  local nret = 0      -- number of returned values
  local class = self:inclass()
  local _,_,static = strfind(self.mod,'^%s*(static)')
+ -- prototypes for enum functions
+ if self.args[1].type ~= 'void' then
+  local i=1
+  while self.args[i] do
+   if isenumtype(self.args[i].type) then
+     emitenumprototype(self.args[i].type)
+   end
+   i = i+1
+  end
+ end
  if class then
 
  	if self.name == 'new' and self.parent.flags.pure_virtual then