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authorAlexander Harkness <bearbin@gmail.com>2013-11-24 15:29:35 +0100
committerAlexander Harkness <bearbin@gmail.com>2013-11-24 15:29:35 +0100
commit998fb17fdc150bc9c6b3d8da0dd37dfd1ae7b39a (patch)
tree51c901fdd30ce632107cd69b3df3b107f4cbb6a5 /tolua++-1.0.93/src/bin/lua/function.lua
parentMoved zlib (diff)
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Diffstat (limited to 'tolua++-1.0.93/src/bin/lua/function.lua')
-rw-r--r--tolua++-1.0.93/src/bin/lua/function.lua577
1 files changed, 0 insertions, 577 deletions
diff --git a/tolua++-1.0.93/src/bin/lua/function.lua b/tolua++-1.0.93/src/bin/lua/function.lua
deleted file mode 100644
index 2358e9ff7..000000000
--- a/tolua++-1.0.93/src/bin/lua/function.lua
+++ /dev/null
@@ -1,577 +0,0 @@
--- tolua: function 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.
-
-
-
--- Function class
--- Represents a function or a class method.
--- The following fields are stored:
--- mod = type modifiers
--- type = type
--- ptr = "*" or "&", if representing a pointer or a reference
--- name = name
--- lname = lua name
--- args = list of argument declarations
--- const = if it is a method receiving a const "this".
-classFunction = {
- mod = '',
- type = '',
- ptr = '',
- name = '',
- args = {n=0},
- const = '',
-}
-classFunction.__index = classFunction
-setmetatable(classFunction,classFeature)
-
--- declare tags
-function classFunction:decltype ()
- self.type = typevar(self.type)
- if strfind(self.mod,'const') then
- self.type = 'const '..self.type
- self.mod = gsub(self.mod,'const','')
- end
- local i=1
- while self.args[i] do
- self.args[i]:decltype()
- i = i+1
- end
-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)')
- if class then
-
- if self.name == 'new' and self.parent.flags.pure_virtual then
- -- no constructor for classes with pure virtual methods
- return
- end
-
- if local_constructor then
- output("/* method: new_local of class ",class," */")
- else
- output("/* method:",self.name," of class ",class," */")
- end
- else
- output("/* function:",self.name," */")
- end
-
- if local_constructor then
- output("#ifndef TOLUA_DISABLE_"..self.cname.."_local")
- output("\nstatic int",self.cname.."_local","(lua_State* tolua_S)")
- else
- output("#ifndef TOLUA_DISABLE_"..self.cname)
- output("\nstatic int",self.cname,"(lua_State* tolua_S)")
- end
- output("{")
-
- -- check types
- if overload < 0 then
- output('#ifndef TOLUA_RELEASE\n')
- end
- output(' tolua_Error tolua_err;')
- output(' if (\n')
- -- check self
- local narg
- if class then narg=2 else narg=1 end
- if class then
- local func = get_is_function(self.parent.type)
- local type = self.parent.type
- if self.name=='new' or static~=nil then
- func = 'tolua_isusertable'
- type = self.parent.type
- end
- if self.const ~= '' then
- type = "const "..type
- end
- output(' !'..func..'(tolua_S,1,"'..type..'",0,&tolua_err) ||\n')
- end
- -- check args
- if self.args[1].type ~= 'void' then
- local i=1
- while self.args[i] do
- local btype = isbasic(self.args[i].type)
- if btype ~= 'value' and btype ~= 'state' then
- output(' '..self.args[i]:outchecktype(narg)..' ||\n')
- end
- if btype ~= 'state' then
- narg = narg+1
- end
- i = i+1
- end
- end
- -- check end of list
- output(' !tolua_isnoobj(tolua_S,'..narg..',&tolua_err)\n )')
- output(' goto tolua_lerror;')
-
- output(' else\n')
- if overload < 0 then
- output('#endif\n')
- end
- output(' {')
-
- -- declare self, if the case
- local narg
- if class then narg=2 else narg=1 end
- if class and self.name~='new' and static==nil then
- output(' ',self.const,self.parent.type,'*','self = ')
- output('(',self.const,self.parent.type,'*) ')
- local to_func = get_to_function(self.parent.type)
- output(to_func,'(tolua_S,1,0);')
- elseif static then
- _,_,self.mod = strfind(self.mod,'^%s*static%s%s*(.*)')
- end
- -- declare parameters
- if self.args[1].type ~= 'void' then
- local i=1
- while self.args[i] do
- self.args[i]:declare(narg)
- if isbasic(self.args[i].type) ~= "state" then
- narg = narg+1
- end
- i = i+1
- end
- end
-
- -- check self
- if class and self.name~='new' and static==nil then
- output('#ifndef TOLUA_RELEASE\n')
- output(' if (!self) tolua_error(tolua_S,"'..output_error_hook("invalid \'self\' in function \'%s\'", self.name)..'", NULL);');
- output('#endif\n')
- end
-
- -- get array element values
- if class then narg=2 else narg=1 end
- if self.args[1].type ~= 'void' then
- local i=1
- while self.args[i] do
- self.args[i]:getarray(narg)
- narg = narg+1
- i = i+1
- end
- end
-
- pre_call_hook(self)
-
- local out = string.find(self.mod, "tolua_outside")
- -- call function
- if class and self.name=='delete' then
- output(' Mtolua_delete(self);')
- elseif class and self.name == 'operator&[]' then
- if flags['1'] then -- for compatibility with tolua5 ?
- output(' self->operator[](',self.args[1].name,'-1) = ',self.args[2].name,';')
- else
- output(' self->operator[](',self.args[1].name,') = ',self.args[2].name,';')
- end
- else
- output(' {')
- if self.type ~= '' and self.type ~= 'void' then
- output(' ',self.mod,self.type,self.ptr,'tolua_ret = ')
- output('(',self.mod,self.type,self.ptr,') ')
- else
- output(' ')
- end
- if class and self.name=='new' then
- output('Mtolua_new((',self.type,')(')
- elseif class and static then
- if out then
- output(self.name,'(')
- else
- output(class..'::'..self.name,'(')
- end
- elseif class then
- if out then
- output(self.name,'(')
- else
- if self.cast_operator then
- --output('static_cast<',self.mod,self.type,self.ptr,' >(*self')
- output('self->operator ',self.mod,self.type,'(')
- else
- output('self->'..self.name,'(')
- end
- end
- else
- output(self.name,'(')
- end
-
- if out and not static then
- output('self')
- if self.args[1] and self.args[1].name ~= '' then
- output(',')
- end
- end
- -- write parameters
- local i=1
- while self.args[i] do
- self.args[i]:passpar()
- i = i+1
- if self.args[i] then
- output(',')
- end
- end
-
- if class and self.name == 'operator[]' and flags['1'] then
- output('-1);')
- else
- if class and self.name=='new' then
- output('));') -- close Mtolua_new(
- else
- output(');')
- end
- end
-
- -- return values
- if self.type ~= '' and self.type ~= 'void' then
- nret = nret + 1
- local t,ct = isbasic(self.type)
- if t and self.name ~= "new" then
- if self.cast_operator and _basic_raw_push[t] then
- output(' ',_basic_raw_push[t],'(tolua_S,(',ct,')tolua_ret);')
- else
- output(' tolua_push'..t..'(tolua_S,(',ct,')tolua_ret);')
- end
- else
- t = self.type
- new_t = string.gsub(t, "const%s+", "")
- local owned = false
- if string.find(self.mod, "tolua_owned") then
- owned = true
- end
- local push_func = get_push_function(t)
- if self.ptr == '' then
- output(' {')
- output('#ifdef __cplusplus\n')
- output(' void* tolua_obj = Mtolua_new((',new_t,')(tolua_ret));')
- output(' ',push_func,'(tolua_S,tolua_obj,"',t,'");')
- output(' tolua_register_gc(tolua_S,lua_gettop(tolua_S));')
- output('#else\n')
- output(' void* tolua_obj = tolua_copy(tolua_S,(void*)&tolua_ret,sizeof(',t,'));')
- output(' ',push_func,'(tolua_S,tolua_obj,"',t,'");')
- output(' tolua_register_gc(tolua_S,lua_gettop(tolua_S));')
- output('#endif\n')
- output(' }')
- elseif self.ptr == '&' then
- output(' ',push_func,'(tolua_S,(void*)&tolua_ret,"',t,'");')
- else
- output(' ',push_func,'(tolua_S,(void*)tolua_ret,"',t,'");')
- if owned or local_constructor then
- output(' tolua_register_gc(tolua_S,lua_gettop(tolua_S));')
- end
- end
- end
- end
- local i=1
- while self.args[i] do
- nret = nret + self.args[i]:retvalue()
- i = i+1
- end
- output(' }')
-
- -- set array element values
- if class then narg=2 else narg=1 end
- if self.args[1].type ~= 'void' then
- local i=1
- while self.args[i] do
- self.args[i]:setarray(narg)
- narg = narg+1
- i = i+1
- end
- end
-
- -- free dynamically allocated array
- if self.args[1].type ~= 'void' then
- local i=1
- while self.args[i] do
- self.args[i]:freearray()
- i = i+1
- end
- end
- end
-
- post_call_hook(self)
-
- output(' }')
- output(' return '..nret..';')
-
- -- call overloaded function or generate error
- if overload < 0 then
-
- output('#ifndef TOLUA_RELEASE\n')
- output('tolua_lerror:\n')
- output(' tolua_error(tolua_S,"'..output_error_hook("#ferror in function \'%s\'.", self.lname)..'",&tolua_err);')
- output(' return 0;')
- output('#endif\n')
- else
- local _local = ""
- if local_constructor then
- _local = "_local"
- end
- output('tolua_lerror:\n')
- output(' return '..strsub(self.cname,1,-3)..format("%02d",overload).._local..'(tolua_S);')
- end
- output('}')
- output('#endif //#ifndef TOLUA_DISABLE\n')
- output('\n')
-
- -- recursive call to write local constructor
- if class and self.name=='new' and not local_constructor then
-
- self:supcode(1)
- end
-
-end
-
-
--- register function
-function classFunction:register (pre)
-
- if not self:check_public_access() then
- return
- end
-
- if self.name == 'new' and self.parent.flags.pure_virtual then
- -- no constructor for classes with pure virtual methods
- return
- end
-
- output(pre..'tolua_function(tolua_S,"'..self.lname..'",'..self.cname..');')
- if self.name == 'new' then
- output(pre..'tolua_function(tolua_S,"new_local",'..self.cname..'_local);')
- output(pre..'tolua_function(tolua_S,".call",'..self.cname..'_local);')
- --output(' tolua_set_call_event(tolua_S,'..self.cname..'_local, "'..self.parent.type..'");')
- end
-end
-
--- Print method
-function classFunction:print (ident,close)
- print(ident.."Function{")
- print(ident.." mod = '"..self.mod.."',")
- print(ident.." type = '"..self.type.."',")
- print(ident.." ptr = '"..self.ptr.."',")
- print(ident.." name = '"..self.name.."',")
- print(ident.." lname = '"..self.lname.."',")
- print(ident.." const = '"..self.const.."',")
- print(ident.." cname = '"..self.cname.."',")
- print(ident.." lname = '"..self.lname.."',")
- print(ident.." args = {")
- local i=1
- while self.args[i] do
- self.args[i]:print(ident.." ",",")
- i = i+1
- end
- print(ident.." }")
- print(ident.."}"..close)
-end
-
--- check if it returns an object by value
-function classFunction:requirecollection (t)
- local r = false
- if self.type ~= '' and not isbasic(self.type) and self.ptr=='' then
- local type = gsub(self.type,"%s*const%s+","")
- t[type] = "tolua_collect_" .. clean_template(type)
- r = true
- end
- local i=1
- while self.args[i] do
- r = self.args[i]:requirecollection(t) or r
- i = i+1
- end
- return r
-end
-
--- determine lua function name overload
-function classFunction:overload ()
- return self.parent:overload(self.lname)
-end
-
-
-function param_object(par) -- returns true if the parameter has an object as its default value
-
- if not string.find(par, '=') then return false end -- it has no default value
-
- local _,_,def = string.find(par, "=(.*)$")
-
- if string.find(par, "|") then -- a list of flags
-
- return true
- end
-
- if string.find(par, "%*") then -- it's a pointer with a default value
-
- if string.find(par, '=%s*new') or string.find(par, "%(") then -- it's a pointer with an instance as default parameter.. is that valid?
- return true
- end
- return false -- default value is 'NULL' or something
- end
-
-
- if string.find(par, "[%(&]") then
- return true
- end -- default value is a constructor call (most likely for a const reference)
-
- --if string.find(par, "&") then
-
- -- if string.find(def, ":") or string.find(def, "^%s*new%s+") then
-
- -- -- it's a reference with default to something like Class::member, or 'new Class'
- -- return true
- -- end
- --end
-
- return false -- ?
-end
-
-function strip_last_arg(all_args, last_arg) -- strips the default value from the last argument
-
- local _,_,s_arg = string.find(last_arg, "^([^=]+)")
- last_arg = string.gsub(last_arg, "([%%%(%)])", "%%%1");
- all_args = string.gsub(all_args, "%s*,%s*"..last_arg.."%s*%)%s*$", ")")
- return all_args, s_arg
-end
-
-
-
--- Internal constructor
-function _Function (t)
- setmetatable(t,classFunction)
-
- if t.const ~= 'const' and t.const ~= '' then
- error("#invalid 'const' specification")
- end
-
- append(t)
- if t:inclass() then
- --print ('t.name is '..t.name..', parent.name is '..t.parent.name)
- if string.gsub(t.name, "%b<>", "") == string.gsub(t.parent.original_name or t.parent.name, "%b<>", "") then
- t.name = 'new'
- t.lname = 'new'
- t.parent._new = true
- t.type = t.parent.name
- t.ptr = '*'
- elseif string.gsub(t.name, "%b<>", "") == '~'..string.gsub(t.parent.original_name or t.parent.name, "%b<>", "") then
- t.name = 'delete'
- t.lname = 'delete'
- t.parent._delete = true
- end
- end
- t.cname = t:cfuncname("tolua")..t:overload(t)
- return t
-end
-
--- Constructor
--- Expects three strings: one representing the function declaration,
--- another representing the argument list, and the third representing
--- the "const" or empty string.
-function Function (d,a,c)
- --local t = split(strsub(a,2,-2),',') -- eliminate braces
- --local t = split_params(strsub(a,2,-2))
-
- if not flags['W'] and string.find(a, "%.%.%.%s*%)") then
-
- warning("Functions with variable arguments (`...') are not supported. Ignoring "..d..a..c)
- return nil
- end
-
-
- local i=1
- local l = {n=0}
-
- a = string.gsub(a, "%s*([%(%)])%s*", "%1")
- local t,strip,last = strip_pars(strsub(a,2,-2));
- if strip then
- --local ns = string.sub(strsub(a,1,-2), 1, -(string.len(last)+1))
- local ns = join(t, ",", 1, last-1)
-
- ns = "("..string.gsub(ns, "%s*,%s*$", "")..')'
- --ns = strip_defaults(ns)
-
- local f = Function(d, ns, c)
- for i=1,last do
- t[i] = string.gsub(t[i], "=.*$", "")
- end
- end
-
- while t[i] do
- l.n = l.n+1
- l[l.n] = Declaration(t[i],'var',true)
- i = i+1
- end
- local f = Declaration(d,'func')
- f.args = l
- f.const = c
- return _Function(f)
-end
-
-function join(t, sep, first, last)
-
- first = first or 1
- last = last or table.getn(t)
- local lsep = ""
- local ret = ""
- local loop = false
- for i = first,last do
-
- ret = ret..lsep..t[i]
- lsep = sep
- loop = true
- end
- if not loop then
- return ""
- end
-
- return ret
-end
-
-function strip_pars(s)
-
- local t = split_c_tokens(s, ',')
- local strip = false
- local last
-
- for i=t.n,1,-1 do
-
- if not strip and param_object(t[i]) then
- last = i
- strip = true
- end
- --if strip then
- -- t[i] = string.gsub(t[i], "=.*$", "")
- --end
- end
-
- return t,strip,last
-
-end
-
-function strip_defaults(s)
-
- s = string.gsub(s, "^%(", "")
- s = string.gsub(s, "%)$", "")
-
- local t = split_c_tokens(s, ",")
- local sep, ret = "",""
- for i=1,t.n do
- t[i] = string.gsub(t[i], "=.*$", "")
- ret = ret..sep..t[i]
- sep = ","
- end
-
- return "("..ret..")"
-end
-
-