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Nasal-Interpreter/version2.0/lib/io.nas
T
Valk Richard Li 6175e274c6 update
2020-02-05 22:47:23 +08:00

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# nasal lib io.nas
# 2020/2/4
# this file is used to avoid name confliction
# and is used to avoid name undefined
# before running this file will be translated to abstract syntax tree
# and this ast will be linked before main ast as main-ast's beginning
var input=func(filename="")
{
if(filename=="")
return __system_call_cpp_istream();
else
return __system_call_cpp_ifstream(filename);
};
var print=func(dyn...)
{
forindex(var i;dyn)
__system_call_c_puts(dyn[i]);
return nil;
};
var fprint=func(arr,filename="")
{
if(filename=="")
{
print("__fprint didn't get a correct file name\n");
return false;
}
else
{
__system_call_cpp_ofstream(arr,filename);
return true;
}
return;
}