int main(int argc, char** argv){
NProgram program(argc, argv);
NMLParser parser;
// parse the NML code into N code
nvar code = parser.parseFile("test.nml");
cout << "code is: " << code << endl;
// reconstruct the NML code from N code (just for demonstration
// purposes)
NMLGenerator generator;
stringstream sstr;
generator.generate(sstr, code);
cout << "------------- reconstructed NML" << endl;
cout << sstr.str() << endl;
// execute the code we parsed
NObject interpreter;
interpreter.process(code);
return 0;
}
int main(int argc, char** argv){
Program::opt("help", "h", false, "Display usage");
Program::opt("math", "m", false, "Use Mathematica");
Program::opt("show", "s", false, "Show N input/output");
Program::opt("history", "", 100, "Number of lines to keep in history");
Program program(argc, argv);
nvar args = program.args();
if(args["help"]){
cout << program.usage("neu [OPTION]... [NML FILE]...");
program.exit(0);
}
bool show = args["show"];
NObject* o = args["math"] ? new NMObject : new NObject;
Parser parser;
NMLGenerator generator;
if(args.empty()){
stifle_history(args["history"]);
for(;;){
parser.reset();
nvar n = parser.parse();
if(parser.done()){
cout << endl;
NProgram::exit(0);
}
if(n == none){
continue;
}
if(show){
cout << "<< " << n << endl;
}
try{
nvar r = o->process(n);
if(show){
cout << ">> " << r << endl;
}
if(r != none){
generator.generate(cout, r);
cout << endl;
}
}
catch(NError& e){
cerr << e << endl;
}
}
}
for(size_t i = 0; i < args.size(); ++i){
nvar n = parser.parseFile(args[i]);
if(n == none){
NProgram::exit(1);
}
if(show){
cout << "<< " << n << endl;
}
nvar r = o->process(n);
if(show){
cout << ">> " << r << endl;
}
}
NProgram::exit(0);
return 0;
}
