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local wrap = require 'cwrap'
local types = wrap.types
types.Tensor = {
helpname = function(arg)
if arg.dim then
return string.format("Tensor~%dD", arg.dim)
else
return "Tensor"
end
end,
declare = function(arg)
local txt = {}
table.insert(txt, string.format("THTensor *arg%d = NULL;", arg.i))
if arg.returned then
table.insert(txt, string.format("int arg%d_idx = 0;", arg.i));
end
return table.concat(txt, '\n')
end,
check = function(arg, idx)
if arg.dim then
return string.format("(arg%d = luaT_toudata(L, %d, torch_Tensor)) && (arg%d->nDimension == %d)", arg.i, idx, arg.i, arg.dim)
else
return string.format("(arg%d = luaT_toudata(L, %d, torch_Tensor))", arg.i, idx)
end
end,
read = function(arg, idx)
if arg.returned then
return string.format("arg%d_idx = %d;", arg.i, idx)
end
end,
init = function(arg)
if type(arg.default) == 'boolean' then
return string.format('arg%d = THTensor_(new)();', arg.i)
elseif type(arg.default) == 'number' then
return string.format('arg%d = %s;', arg.i, arg.args[arg.default]:carg())
else
error('unknown default tensor type value')
end
end,
carg = function(arg)
return string.format('arg%d', arg.i)
end,
creturn = function(arg)
return string.format('arg%d', arg.i)
end,
precall = function(arg)
local txt = {}
if arg.default and arg.returned then
table.insert(txt, string.format('if(arg%d_idx)', arg.i)) -- means it was passed as arg
table.insert(txt, string.format('lua_pushvalue(L, arg%d_idx);', arg.i))
table.insert(txt, string.format('else'))
if type(arg.default) == 'boolean' then -- boolean: we did a new()
table.insert(txt, string.format('luaT_pushudata(L, arg%d, torch_Tensor);', arg.i))
else -- otherwise: point on default tensor --> retain
table.insert(txt, string.format('{'))
table.insert(txt, string.format('THTensor_(retain)(arg%d);', arg.i)) -- so we need a retain
table.insert(txt, string.format('luaT_pushudata(L, arg%d, torch_Tensor);', arg.i))
table.insert(txt, string.format('}'))
end
elseif arg.default then
-- we would have to deallocate the beast later if we did a new
-- unlikely anyways, so i do not support it for now
if type(arg.default) == 'boolean' then
error('a tensor cannot be optional if not returned')
end
elseif arg.returned then
table.insert(txt, string.format('lua_pushvalue(L, arg%d_idx);', arg.i))
end
return table.concat(txt, '\n')
end,
postcall = function(arg)
local txt = {}
if arg.creturned then
-- this next line is actually debatable
table.insert(txt, string.format('THTensor_(retain)(arg%d);', arg.i))
table.insert(txt, string.format('luaT_pushudata(L, arg%d, torch_Tensor);', arg.i))
end
return table.concat(txt, '\n')
end
}
types.Generator = {
helpname = function(arg)
return "Generator"
end,
declare = function(arg)
return string.format("THGenerator *arg%d = NULL;", arg.i)
end,
check = function(arg, idx)
return string.format("(arg%d = luaT_toudata(L, %d, torch_Generator))", arg.i, idx)
end,
read = function(arg, idx)
end,
init = function(arg)
local text = {}
-- If no generator is supplied, pull the default out of the torch namespace.
table.insert(text, 'lua_getglobal(L,"torch");')
table.insert(text, string.format('arg%d = luaT_getfieldcheckudata(L, -1, "_gen", torch_Generator);', arg.i))
table.insert(text, 'lua_pop(L, 2);')
return table.concat(text, '\n')
end,
carg = function(arg)
return string.format('arg%d', arg.i)
end,
creturn = function(arg)
return string.format('arg%d', arg.i)
end,
precall = function(arg)
end,
postcall = function(arg)
end
}
types.IndexTensor = {
helpname = function(arg)
return "LongTensor"
end,
declare = function(arg)
local txt = {}
table.insert(txt, string.format("THLongTensor *arg%d = NULL;", arg.i))
if arg.returned then
table.insert(txt, string.format("int arg%d_idx = 0;", arg.i));
end
return table.concat(txt, '\n')
end,
check = function(arg, idx)
return string.format('(arg%d = luaT_toudata(L, %d, "torch.LongTensor"))', arg.i, idx)
end,
read = function(arg, idx)
local txt = {}
if not arg.noreadadd then
table.insert(txt, string.format("THLongTensor_add(arg%d, arg%d, -1);", arg.i, arg.i));
end
if arg.returned then
table.insert(txt, string.format("arg%d_idx = %d;", arg.i, idx))
end
return table.concat(txt, '\n')
end,
init = function(arg)
return string.format('arg%d = THLongTensor_new();', arg.i)
end,
carg = function(arg)
return string.format('arg%d', arg.i)
end,
creturn = function(arg)
return string.format('arg%d', arg.i)
end,
precall = function(arg)
local txt = {}
if arg.default and arg.returned then
table.insert(txt, string.format('if(arg%d_idx)', arg.i)) -- means it was passed as arg
table.insert(txt, string.format('lua_pushvalue(L, arg%d_idx);', arg.i))
table.insert(txt, string.format('else')) -- means we did a new()
table.insert(txt, string.format('luaT_pushudata(L, arg%d, "torch.LongTensor");', arg.i))
elseif arg.default then
error('a tensor cannot be optional if not returned')
elseif arg.returned then
table.insert(txt, string.format('lua_pushvalue(L, arg%d_idx);', arg.i))
end
return table.concat(txt, '\n')
end,
postcall = function(arg)
local txt = {}
if arg.creturned or arg.returned then
table.insert(txt, string.format("THLongTensor_add(arg%d, arg%d, 1);", arg.i, arg.i));
end
if arg.creturned then
-- this next line is actually debatable
table.insert(txt, string.format('THLongTensor_retain(arg%d);', arg.i))
table.insert(txt, string.format('luaT_pushudata(L, arg%d, "torch.LongTensor");', arg.i))
end
return table.concat(txt, '\n')
end
}
for _,typename in ipairs({"ByteTensor", "CharTensor", "ShortTensor", "IntTensor", "LongTensor",
"FloatTensor", "HalfTensor", "DoubleTensor"}) do
types[typename] = {
helpname = function(arg)
if arg.dim then
return string.format('%s~%dD', typename, arg.dim)
else
return typename
end
end,
declare = function(arg)
local txt = {}
table.insert(txt, string.format("TH%s *arg%d = NULL;", typename, arg.i))
if arg.returned then
table.insert(txt, string.format("int arg%d_idx = 0;", arg.i));
end
return table.concat(txt, '\n')
end,
check = function(arg, idx)
if arg.dim then
return string.format('(arg%d = luaT_toudata(L, %d, "torch.%s")) && (arg%d->nDimension == %d)', arg.i, idx, typename, arg.i, arg.dim)
else
return string.format('(arg%d = luaT_toudata(L, %d, "torch.%s"))', arg.i, idx, typename)
end
end,
read = function(arg, idx)
if arg.returned then
return string.format("arg%d_idx = %d;", arg.i, idx)
end
end,
init = function(arg)
if type(arg.default) == 'boolean' then
return string.format('arg%d = TH%s_new();', arg.i, typename)
elseif type(arg.default) == 'number' then
return string.format('arg%d = %s;', arg.i, arg.args[arg.default]:carg())
else
error('unknown default tensor type value')
end
end,
carg = function(arg)
return string.format('arg%d', arg.i)
end,
creturn = function(arg)
return string.format('arg%d', arg.i)
end,
precall = function(arg)
local txt = {}
if arg.default and arg.returned then
table.insert(txt, string.format('if(arg%d_idx)', arg.i)) -- means it was passed as arg
table.insert(txt, string.format('lua_pushvalue(L, arg%d_idx);', arg.i))
table.insert(txt, string.format('else'))
if type(arg.default) == 'boolean' then -- boolean: we did a new()
table.insert(txt, string.format('luaT_pushudata(L, arg%d, "torch.%s");', arg.i, typename))
else -- otherwise: point on default tensor --> retain
table.insert(txt, string.format('{'))
table.insert(txt, string.format('TH%s_retain(arg%d);', typename, arg.i)) -- so we need a retain
table.insert(txt, string.format('luaT_pushudata(L, arg%d, "torch.%s");', arg.i, typename))
table.insert(txt, string.format('}'))
end
elseif arg.default then
-- we would have to deallocate the beast later if we did a new
-- unlikely anyways, so i do not support it for now
if type(arg.default) == 'boolean' then
error('a tensor cannot be optional if not returned')
end
elseif arg.returned then
table.insert(txt, string.format('lua_pushvalue(L, arg%d_idx);', arg.i))
end
return table.concat(txt, '\n')
end,
postcall = function(arg)
local txt = {}
if arg.creturned then
-- this next line is actually debatable
table.insert(txt, string.format('TH%s_retain(arg%d);', typename, arg.i))
table.insert(txt, string.format('luaT_pushudata(L, arg%d, "torch.%s");', arg.i, typename))
end
return table.concat(txt, '\n')
end
}
types[typename .. 'Array'] = {
helpname = function(arg)
return string.format('{%s+}', typename)
end,
declare = function(arg)
local txt = {}
table.insert(txt, string.format('TH%s **arg%d_data = NULL;', typename, arg.i))
table.insert(txt, string.format('long arg%d_size = 0;', arg.i))
table.insert(txt, string.format('int arg%d_i = 0;', arg.i))
return table.concat(txt, '\n')
end,
check = function(arg, idx)
return string.format('torch_isnonemptytable(L, %d)', idx)
end,
read = function(arg, idx)
local txt = {}
-- Iterate over the array to find its length, leave elements on stack.
table.insert(txt, string.format('do'))
table.insert(txt, string.format('{'))
table.insert(txt, string.format(' arg%d_size++;', arg.i))
table.insert(txt, string.format(' lua_checkstack(L, 1);'))
table.insert(txt, string.format(' lua_rawgeti(L, %d, arg%d_size);', idx, arg.i))
table.insert(txt, string.format('}'))
table.insert(txt, string.format('while (!lua_isnil(L, -1));'))
table.insert(txt, string.format('arg%d_size--;', arg.i))
-- Pop nil element from stack.
table.insert(txt, string.format('lua_pop(L, 1);'))
-- Allocate tensor pointers and read values from stack backwards.
table.insert(txt, string.format('arg%d_data = (TH%s**)THAlloc(arg%d_size * sizeof(TH%s*));', arg.i, typename, arg.i, typename))
table.insert(txt, string.format('for (arg%d_i = arg%d_size - 1; arg%d_i >= 0; arg%d_i--)', arg.i, arg.i, arg.i, arg.i))
table.insert(txt, string.format('{'))
table.insert(txt, string.format(' if (!(arg%d_data[arg%d_i] = luaT_toudata(L, -1, "torch.%s")))', arg.i, arg.i, typename))
table.insert(txt, string.format(' luaL_error(L, "expected %s in tensor array");', typename))
table.insert(txt, string.format(' lua_pop(L, 1);'))
table.insert(txt, string.format('}'))
table.insert(txt, string.format(''))
return table.concat(txt, '\n')
end,
init = function(arg)
end,
carg = function(arg)
return string.format('arg%d_data,arg%d_size', arg.i, arg.i)
end,
creturn = function(arg)
error('TensorArray cannot be returned.')
end,
precall = function(arg)
end,
postcall = function(arg)
return string.format('THFree(arg%d_data);', arg.i)
end
}
end
types.LongArg = {
vararg = true,
helpname = function(arg)
return "(LongStorage | dim1 [dim2...])"
end,
declare = function(arg)
return string.format("THLongStorage *arg%d = NULL;", arg.i)
end,
init = function(arg)
if arg.default then
error('LongArg cannot have a default value')
end
end,
check = function(arg, idx)
return string.format("torch_islongargs(L, %d)", idx)
end,
read = function(arg, idx)
return string.format("arg%d = torch_checklongargs(L, %d);", arg.i, idx)
end,
carg = function(arg, idx)
return string.format('arg%d', arg.i)
end,
creturn = function(arg, idx)
return string.format('arg%d', arg.i)
end,
precall = function(arg)
local txt = {}
if arg.returned then
table.insert(txt, string.format('luaT_pushudata(L, arg%d, "torch.LongStorage");', arg.i))
end
return table.concat(txt, '\n')
end,
postcall = function(arg)
local txt = {}
if arg.creturned then
-- this next line is actually debatable
table.insert(txt, string.format('THLongStorage_retain(arg%d);', arg.i))
table.insert(txt, string.format('luaT_pushudata(L, arg%d, "torch.LongStorage");', arg.i))
end
if not arg.returned and not arg.creturned then
table.insert(txt, string.format('THLongStorage_free(arg%d);', arg.i))
end
return table.concat(txt, '\n')
end
}
types.charoption = {
helpname = function(arg)
if arg.values then
return "(" .. table.concat(arg.values, '|') .. ")"
end
end,
declare = function(arg)
local txt = {}
table.insert(txt, string.format("const char *arg%d = NULL;", arg.i))
if arg.default then
table.insert(txt, string.format("char arg%d_default = '%s';", arg.i, arg.default))
end
return table.concat(txt, '\n')
end,
init = function(arg)
return string.format("arg%d = &arg%d_default;", arg.i, arg.i)
end,
check = function(arg, idx)
local txt = {}
local txtv = {}
table.insert(txt, string.format('(arg%d = lua_tostring(L, %d)) && (', arg.i, idx))
for _,value in ipairs(arg.values) do
table.insert(txtv, string.format("*arg%d == '%s'", arg.i, value))
end
table.insert(txt, table.concat(txtv, ' || '))
table.insert(txt, ')')
return table.concat(txt, '')
end,
read = function(arg, idx)
end,
carg = function(arg, idx)
return string.format('arg%d', arg.i)
end,
creturn = function(arg, idx)
end,
precall = function(arg)
end,
postcall = function(arg)
end
}
for _,typename in ipairs({"ptrdiff_t", "size_t"}) do
types[typename] = {
helpname = function(arg)
return typename
end,
declare = function(arg)
-- if it is a number we initialize here
local default = tonumber(tostring(arg.default)) or 0
return string.format("%s arg%d = %g;", typename, arg.i, default)
end,
check = function(arg, idx)
return string.format("lua_isnumber(L, %d)", idx)
end,
read = function(arg, idx)
return string.format("arg%d = (%s)lua_tonumber(L, %d);", arg.i, typename, idx)
end,
init = function(arg)
-- otherwise do it here
if arg.default then
local default = tostring(arg.default)
if not tonumber(default) then
return string.format("arg%d = %s;", arg.i, default)
end
end
end,
carg = function(arg)
return string.format('arg%d', arg.i)
end,
creturn = function(arg)
return string.format('arg%d', arg.i)
end,
precall = function(arg)
if arg.returned then
return string.format('lua_pushnumber(L, (lua_Number)arg%d);', arg.i)
end
end,
postcall = function(arg)
if arg.creturned then
return string.format('lua_pushnumber(L, (lua_Number)arg%d);', arg.i)
end
end
}
end
|
