72 lines
1.7 KiB
Lua
72 lines
1.7 KiB
Lua
-- tolua: typedef class
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-- Written by Waldemar Celes
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-- TeCGraf/PUC-Rio
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-- Jul 1998
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-- $Id: $
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-- This code is free software; you can redistribute it and/or modify it.
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-- The software provided hereunder is on an "as is" basis, and
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-- the author has no obligation to provide maintenance, support, updates,
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-- enhancements, or modifications.
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-- Typedef class
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-- Represents a type synonym.
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-- The 'de facto' type replaces the typedef before the
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-- remaining code is parsed.
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-- The following fields are stored:
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-- utype = typedef name
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-- type = 'the facto' type
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-- mod = modifiers to the 'de facto' type
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classTypedef = {
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utype = '',
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mod = '',
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type = ''
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}
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classTypedef.__index = classTypedef
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-- Print method
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function classTypedef:print (ident,close)
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print(ident.."Typedef{")
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print(ident.." utype = '"..self.utype.."',")
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print(ident.." mod = '"..self.mod.."',")
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print(ident.." type = '"..self.type.."',")
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print(ident.."}"..close)
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end
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-- Return it's not a variable
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function classTypedef:isvariable ()
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return false
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end
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-- Internal constructor
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function _Typedef (t)
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setmetatable(t,classTypedef)
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t.type = resolve_template_types(t.type)
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appendtypedef(t)
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return t
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end
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-- Constructor
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-- Expects one string representing the type definition.
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function Typedef (s)
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if strfind(string.gsub(s, '%b<>', ''),'[%*&]') then
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tolua_error("#invalid typedef: pointers (and references) are not supported")
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end
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local o = {mod = ''}
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if string.find(s, "[<>]") then
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_,_,o.type,o.utype = string.find(s, "^%s*([^<>]+%b<>[^%s]*)%s+(.-)$")
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else
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local t = split(gsub(s,"%s%s*"," ")," ")
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o = {
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utype = t[t.n],
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type = t[t.n-1],
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mod = concat(t,1,t.n-2),
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}
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end
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return _Typedef(o)
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end
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