int main(int argc, char **argv) {
if(argc < 3) {
std::cout << "usage: " << argv[0] << " <infile> <outfilename>" << std::endl;
return 1;
}
Program prog;
std::ifstream infile(argv[1]);
std::string line;
while (std::getline(infile, line))
{
boost::regex e("^(HLT|INC|SET|OUT|IFE)\\s?([a-zA-Z][a-zA-Z0-9]+)?[,]?\\s?(.*)?$");
boost::smatch match;
if(boost::regex_match(line, match, e)) {
if(match.size() == 2) {
prog.addInstruction(match[1]);
}
else if(match.size() > 2) {
if(match.size() == 3) {
prog.addInstruction(match[1],match[2]);
}else if(match.size() == 4) {
prog.addInstruction(match[1],match[2],match[3]);
}
}
}
}
/*prog.addInstruction("SET", "R1", "$\"foo\\n\"");
prog.addInstruction("SET", "R2", "$'0'");
prog.addInstruction("IFE", "R1", "R2");
prog.addInstruction("HLT");
prog.addInstruction("OUT", "R1");
prog.addInstruction("INC", "R1");
prog.addInstruction("SET", "IP", "$2");*/
prog.writeBinary(std::string(argv[2]));
}
Program* Compiler::compile(vector<string> lines) {
Program *program = new Program();
for(int i = 0; i < lines.size(); i++) {
string line = lines[i];
bool found = false;
s.jmp(i);
for(pair<string, factory> p: this->lines) {
IInstruction *inst;
regex r(p.first);
if(regex_match(line, r)) {
found = true;
smatch result;
vector<string> args;
regex_search(line, result, r);
for(int i = 1; i < result.size(); i++) {
args.push_back(result[i].str());
}
inst = p.second(args);
program->addInstruction(inst);
if(pre.find(p.first) != pre.end()) {
inst->run(s);
}
}
}
if(!found) {
cerr << "Invalid opcode on line " << i << ": " << line << endl;
delete program;
return nullptr;
}
}
s.jmp(0);
return program;
}