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-- tolua: typedef class
-- Written by Waldemar Celes
-- TeCGraf/PUC-Rio
-- Jul 1998
-- $Id: typedef.lua,v 1.1 2009-07-09 13:44:14 fabraham Exp $
-- 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.
-- Typedef class
-- Represents a type synonym.
-- The 'de facto' type replaces the typedef before the
-- remaining code is parsed.
-- The following fields are stored:
-- utype = typedef name
-- type = 'the facto' type
-- mod = modifiers to the 'de facto' type
classTypedef = {
utype = '',
mod = '',
type = ''
}
classTypedef.__index = classTypedef
-- Print method
function classTypedef:print (ident,close)
print(ident.."Typedef{")
print(ident.." utype = '"..self.utype.."',")
print(ident.." mod = '"..self.mod.."',")
print(ident.." type = '"..self.type.."',")
print(ident.."}"..close)
end
-- Return it's not a variable
function classTypedef:isvariable ()
return false
end
-- Internal constructor
function _Typedef (t)
setmetatable(t,classTypedef)
appendtypedef(t)
return t
end
-- Constructor
-- Expects one string representing the type definition.
function Typedef (s)
if strfind(s,'[%*&]') then
tolua_error("#invalid typedef: pointers (and references) are not supported")
end
local t = split(gsub(s,"%s%s*"," ")," ")
if not isbasic(t[t.n]) then
return _Typedef {
utype = t[t.n],
type = t[t.n-1],
mod = concat(t,1,t.n-2),
}
else
return nil
end
end
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