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authorfaketruth <faketruth@0a769ca7-a7f5-676a-18bf-c427514a06d6>2011-10-03 21:25:04 +0200
committerfaketruth <faketruth@0a769ca7-a7f5-676a-18bf-c427514a06d6>2011-10-03 21:25:04 +0200
commitaafef187ef856a36c3f8e599afea2dee44f08904 (patch)
treec84762cc768da2800a0f80b902c704e782bd29ef /tolua++-1.0.93/src/bin/lua/class.lua
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Diffstat (limited to 'tolua++-1.0.93/src/bin/lua/class.lua')
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diff --git a/tolua++-1.0.93/src/bin/lua/class.lua b/tolua++-1.0.93/src/bin/lua/class.lua
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+++ b/tolua++-1.0.93/src/bin/lua/class.lua
@@ -0,0 +1,202 @@
+-- tolua: class class
+-- Written by Waldemar Celes
+-- TeCGraf/PUC-Rio
+-- Jul 1998
+-- $Id: $
+
+-- This code is free software; you can redistribute it and/or modify it.
+-- The software provided hereunder is on an "as is" basis, and
+-- the author has no obligation to provide maintenance, support, updates,
+-- enhancements, or modifications.
+
+
+-- Class class
+-- Represents a class definition.
+-- Stores the following fields:
+-- name = class name
+-- base = class base, if any (only single inheritance is supported)
+-- {i} = list of members
+classClass = {
+ classtype = 'class',
+ name = '',
+ base = '',
+ type = '',
+ btype = '',
+ ctype = '',
+}
+classClass.__index = classClass
+setmetatable(classClass,classContainer)
+
+
+-- register class
+function classClass:register (pre)
+
+ if not self:check_public_access() then
+ return
+ end
+
+ pre = pre or ''
+ push(self)
+ if _collect[self.type] then
+ output(pre,'#ifdef __cplusplus\n')
+ output(pre..'tolua_cclass(tolua_S,"'..self.lname..'","'..self.type..'","'..self.btype..'",'.._collect[self.type]..');')
+ output(pre,'#else\n')
+ output(pre..'tolua_cclass(tolua_S,"'..self.lname..'","'..self.type..'","'..self.btype..'",NULL);')
+ output(pre,'#endif\n')
+ else
+ output(pre..'tolua_cclass(tolua_S,"'..self.lname..'","'..self.type..'","'..self.btype..'",NULL);')
+ end
+ if self.extra_bases then
+ for k,base in ipairs(self.extra_bases) do
+ -- not now
+ --output(pre..' tolua_addbase(tolua_S, "'..self.type..'", "'..base..'");')
+ end
+ end
+ output(pre..'tolua_beginmodule(tolua_S,"'..self.lname..'");')
+ local i=1
+ while self[i] do
+ self[i]:register(pre..' ')
+ i = i+1
+ end
+ output(pre..'tolua_endmodule(tolua_S);')
+ pop()
+end
+
+-- return collection requirement
+function classClass:requirecollection (t)
+ if self.flags.protected_destructor or (not self:check_public_access()) then
+ return false
+ end
+ push(self)
+ local r = false
+ local i=1
+ while self[i] do
+ r = self[i]:requirecollection(t) or r
+ i = i+1
+ end
+ pop()
+ -- only class that exports destructor can be appropriately collected
+ -- classes that export constructors need to have a collector (overrided by -D flag on command line)
+ if self._delete or ((not flags['D']) and self._new) then
+ --t[self.type] = "tolua_collect_" .. gsub(self.type,"::","_")
+ t[self.type] = "tolua_collect_" .. clean_template(self.type)
+ r = true
+ end
+ return r
+end
+
+-- output tags
+function classClass:decltype ()
+ push(self)
+ self.type = regtype(self.original_name or self.name)
+ self.btype = typevar(self.base)
+ self.ctype = 'const '..self.type
+ if self.extra_bases then
+ for i=1,table.getn(self.extra_bases) do
+ self.extra_bases[i] = typevar(self.extra_bases[i])
+ end
+ end
+ local i=1
+ while self[i] do
+ self[i]:decltype()
+ i = i+1
+ end
+ pop()
+end
+
+
+-- Print method
+function classClass:print (ident,close)
+ print(ident.."Class{")
+ print(ident.." name = '"..self.name.."',")
+ print(ident.." base = '"..self.base.."';")
+ print(ident.." lname = '"..self.lname.."',")
+ print(ident.." type = '"..self.type.."',")
+ print(ident.." btype = '"..self.btype.."',")
+ print(ident.." ctype = '"..self.ctype.."',")
+ local i=1
+ while self[i] do
+ self[i]:print(ident.." ",",")
+ i = i+1
+ end
+ print(ident.."}"..close)
+end
+
+function classClass:set_protected_destructor(p)
+ self.flags.protected_destructor = self.flags.protected_destructor or p
+end
+
+-- Internal constructor
+function _Class (t)
+ setmetatable(t,classClass)
+ t:buildnames()
+ append(t)
+ return t
+end
+
+-- Constructor
+-- Expects the name, the base (array) and the body of the class.
+function Class (n,p,b)
+
+ if table.getn(p) > 1 then
+ b = string.sub(b, 1, -2)
+ for i=2,table.getn(p),1 do
+ b = b.."\n tolua_inherits "..p[i].." __"..p[i].."__;\n"
+ end
+ b = b.."\n}"
+ end
+
+ -- check for template
+ b = string.gsub(b, "^{%s*TEMPLATE_BIND", "{\nTOLUA_TEMPLATE_BIND")
+ local t,_,T,I = string.find(b, '^{%s*TOLUA_TEMPLATE_BIND%s*%(+%s*\"?([^\",]*)\"?%s*,%s*([^%)]*)%s*%)+')
+ if t then
+
+ -- remove quotes
+ I = string.gsub(I, "\"", "")
+ T = string.gsub(T, "\"", "")
+ -- get type list
+ local types = split_c_tokens(I, ",")
+ -- remove TEMPLATE_BIND line
+ local bs = string.gsub(b, "^{%s*TOLUA_TEMPLATE_BIND[^\n]*\n", "{\n")
+
+ local Tl = split(T, " ")
+ local tc = TemplateClass(n, p, bs, Tl)
+
+
+ tc:throw(types, true)
+ --for i=1,types.n do
+ -- tc:throw(split_c_tokens(types[i], " "), true)
+ --end
+ return
+ end
+
+ local mbase
+
+ if p then
+ mbase = table.remove(p, 1)
+ if not p[1] then p = nil end
+ end
+
+ mbase = mbase and resolve_template_types(mbase)
+
+ local c
+ local oname = string.gsub(n, "@.*$", "")
+ oname = getnamespace(classContainer.curr)..oname
+
+ if _global_classes[oname] then
+ c = _global_classes[oname]
+ if mbase and ((not c.base) or c.base == "") then
+ c.base = mbase
+ end
+ else
+ c = _Class(_Container{name=n, base=mbase, extra_bases=p})
+
+ local ft = getnamespace(c.parent)..c.original_name
+ append_global_type(ft, c)
+ end
+
+ push(c)
+ c:parse(strsub(b,2,strlen(b)-1)) -- eliminate braces
+ pop()
+end
+