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author | Tiger Wang <ziwei.tiger@hotmail.co.uk> | 2013-11-27 22:35:13 +0100 |
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committer | Tiger Wang <ziwei.tiger@hotmail.co.uk> | 2013-11-27 22:35:13 +0100 |
commit | a6630d32394120a78af56bc612fa3c3449283248 (patch) | |
tree | 2c791266b0f213cd56961299da8d2258b8f85d8e /lib/tolua++/src/bin/lua/class.lua | |
parent | Fixed spawn point being generally in an ocean (diff) | |
parent | Voronoi-related biomegens use the new cVoronoiMap class. (diff) | |
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Diffstat (limited to 'lib/tolua++/src/bin/lua/class.lua')
-rw-r--r-- | lib/tolua++/src/bin/lua/class.lua | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/lib/tolua++/src/bin/lua/class.lua b/lib/tolua++/src/bin/lua/class.lua new file mode 100644 index 000000000..592705282 --- /dev/null +++ b/lib/tolua++/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 + |