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IRCVM.cpp
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IRCVM.cpp
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#include "ircvm.h"
IRCVM::IRCVM(IRC* arg_irc)
{
printing=true;
for(char i='A';i<='Z';i++)
registers.insert(std::pair<char,stackentry*>(i,NULL));
S = new stack();
irc = arg_irc;
}
void IRCVM::printOn()
{
printing=true;
}
void IRCVM::printOff()
{
printing=false;
}
void IRCVM::setRegister(char key, stackentry* e)
{
if(key < 'A' || key > 'Z')
return;
registers[key]=new stackentry(e); //copy constructor
}
stackentry* IRCVM::getRegister(char key)
{
if(key < 'A' || key > 'Z')
return NULL;
return registers[key];
}
bool IRCVM::handleCommand(std::string params, irc_reply_data* hostd)
{
std::vector<std::string> cmd = stringsplit(params, " ");
if(cmd.size() < 2 || cmd[0].find(MYNICKNAME) == std::string::npos)
{
//cout << "\t IGNORING MESSAGE\n";
}
else
{
if(cmd[1] == "pushi")
{
if(cmd.size() >= 3)
{
vector<string> out3 = stringsplit_n(string(params), " \n", 2);
S->push(new stackentry(out3[2]));
if(printing)
irc->privmsg(hostd->target, "pushed %s", S->peek()->print().c_str());
return true;
}
else
{
if(printing)
irc->privmsg(hostd->target, "Sorry, %s, the usage is #MYNICKNAME: pushi <value>", hostd->nick);
return false;
}
}
else if(cmd[1] == "pop")
{
stackentry* entry = S->pop();
if(entry == NULL)
{
if(printing)
irc->privmsg(hostd->target, "The stack is empty!");
return false;
}
else
{
if(printing)
irc->privmsg(hostd->target, "popped %s", entry->print().c_str());
return true;
}
}
else if(cmd[1] == "peek")
{
stackentry* entry = S->peek();
if(entry == NULL)
{
if(printing)
irc->privmsg(hostd->target, "The stack is empty!");
return false;
}
else
{
if(printing)
irc->privmsg(hostd->target, "top of the stack is %s", entry->print().c_str());
return true;
}
}
else if(cmd[1] == "inc")
{
stackentry* entry = S->peek();
if(entry == NULL)
{
if(printing)
irc->privmsg(hostd->target, "The stack is empty!");
return false;
}
else if(entry->mytype != S_INT && entry->mytype != S_FLOAT)
{
if(printing)
irc->privmsg(hostd->target, "Top of the stack is not a number!");
return false;
}
else
{
if(printing)
irc->privmsg(hostd->target, "Incremented");
if(entry->mytype == S_INT)
{
entry->i++;
}
else if(entry->mytype == S_FLOAT)
{
entry->f++;
}
return true;
}
}
else if(cmd[1] == "dec")
{
stackentry* entry = S->peek();
if(entry == NULL)
{
if(printing)
irc->privmsg(hostd->target, "The stack is empty!");
return false;
}
else if(entry->mytype != S_INT && entry->mytype != S_FLOAT)
{
if(printing)
irc->privmsg(hostd->target, "Top of the stack is not a number!");
return false;
}
else
{
if(printing)
irc->privmsg(hostd->target, "Decremented");
if(entry->mytype == S_INT)
{
entry->i--;
}
else if(entry->mytype == S_FLOAT)
{
entry->f--;
}
return true;
}
}
else if(cmd[1] == "add")
{
if(S->getSize() < 2)
{
if(printing)
irc->privmsg(hostd->target, "Not enough entries on the stack!");
return false;
}
else
{
stackentry* b = S->pop();
stackentry* a = S->pop();
if(a == NULL || b == NULL)
{
if(printing)
irc->privmsg(hostd->target, "The stack is empty!");
return false;
}
else if(!a->isNumber() || !b->isNumber())
{
if(printing)
irc->privmsg(hostd->target, "Top of the stack is not a number!");
false;
}
else
{
if(printing)
irc->privmsg(hostd->target, "Added");
float val = a->floatVal() + b->floatVal();
if(fmod(val, 1.0) == 0.0)
S->push(new stackentry((int)val));
else
S->push(new stackentry(val));
return true;
}
}
}
else if(cmd[1] == "sub")
{
if(S->getSize() < 2)
{
if(printing)
irc->privmsg(hostd->target, "Not enough entries on the stack!");
return false;
}
else
{
stackentry* b = S->pop();
stackentry* a = S->pop();
if(a == NULL || b == NULL)
{
if(printing)
irc->privmsg(hostd->target, "The stack is empty!");
return false;
}
else if(!a->isNumber() || !b->isNumber())
{
if(printing)
irc->privmsg(hostd->target, "Top of the stack is not a number!");
return false;
}
else
{
if(printing)
irc->privmsg(hostd->target, "Subtracted");
float val = a->floatVal() - b->floatVal();
if(fmod(val, 1.0) == 0.0)
S->push(new stackentry((int)val));
else
S->push(new stackentry(val));
return true;
}
}
}
else if(cmd[1] == "mul")
{
if(S->getSize() < 2)
{
if(printing)
irc->privmsg(hostd->target, "Not enough entries on the stack!");
return false;
}
else
{
stackentry* b = S->pop();
stackentry* a = S->pop();
if(a == NULL || b == NULL)
{
if(printing)
irc->privmsg(hostd->target, "The stack is empty!");
return false;
}
else if(!a->isNumber() || !b->isNumber())
{
if(printing)
irc->privmsg(hostd->target, "Top of the stack is not a number!");
return false;
}
else
{
if(printing)
irc->privmsg(hostd->target, "Multiplied");
float val = a->floatVal() * b->floatVal();
if(fmod(val, 1.0) == 0.0)
S->push(new stackentry((int)val));
else
S->push(new stackentry(val));
return true;
}
}
}
else if(cmd[1] == "div")
{
if(S->getSize() < 2)
{
if(printing)
irc->privmsg(hostd->target, "Not enough entries on the stack!");
return false;
}
else
{
stackentry* b = S->pop();
stackentry* a = S->pop();
if(a == NULL || b == NULL)
{
if(printing)
irc->privmsg(hostd->target, "The stack is empty!");
return false;
}
else if(!a->isNumber() || !b->isNumber())
{
if(printing)
irc->privmsg(hostd->target, "Top of the stack is not a number!");
return false;
}
else
{
if(b->floatVal() == 0.0)
{
if(printing)
irc->privmsg(hostd->target, "Error: Universe Implosion");
return false;
}
else
{
if(printing)
irc->privmsg(hostd->target, "Divided");
float val = a->floatVal() / b->floatVal();
if(fmod(val, 1.0) == 0.0)
S->push(new stackentry((int)val));
else
S->push(new stackentry(val));
return true;
}
}
}
}
else if(cmd[1] == "shr")
{
if(S->getSize() < 1)
{
if(printing)
irc->privmsg(hostd->target, "Not enough entries on the stack!");
return false;
}
else
{
stackentry* a = S->pop();
if(a == NULL)
{
if(printing)
irc->privmsg(hostd->target, "The stack is empty!");
return false;
}
else if(a->mytype != S_INT)
{
if(printing)
irc->privmsg(hostd->target, "Top of the stack is not an integer!");
S->push(a);
return false;
}
else
{
if(printing)
irc->privmsg(hostd->target, "Shifted");
S->push(new stackentry(a->i >> 1));
return true;
}
}
}
else if(cmd[1] == "shl")
{
if(S->getSize() < 1)
{
if(printing)
irc->privmsg(hostd->target, "Not enough entries on the stack!");
return false;
}
else
{
stackentry* a = S->pop();
if(a == NULL)
{
if(printing)
irc->privmsg(hostd->target, "The stack is empty!");
return false;
}
else if(a->mytype != S_INT)
{
if(printing)
irc->privmsg(hostd->target, "Top of the stack is not an integer!");
S->push(a);
return true;
}
else
{
if(printing)
irc->privmsg(hostd->target, "Shifted");
S->push(new stackentry(a->i << 1));
return true;
}
}
}
else if(cmd[1] == "and")
{
if(S->getSize() < 2)
{
if(printing)
irc->privmsg(hostd->target, "Not enough entries on the stack!");
return false;
}
else
{
stackentry* b = S->pop();
stackentry* a = S->pop();
if(a == NULL || b == NULL)
{
if(printing)
irc->privmsg(hostd->target, "Not enough entries on the stack!");
return false;
}
else if(a->mytype != S_INT || b->mytype != S_INT)
{
if(printing)
irc->privmsg(hostd->target, "Top of the stack is not an integer!");
S->push(a);
S->push(b);
return false;
}
else
{
if(printing)
irc->privmsg(hostd->target, "And'd");
S->push(new stackentry(a->i&b->i));
return true;
}
}
}
else if(cmd[1] == "or")
{
if(S->getSize() < 2)
{
if(printing)
irc->privmsg(hostd->target, "Not enough entries on the stack!");
return true;
}
else
{
stackentry* b = S->pop();
stackentry* a = S->pop();
if(a == NULL || b == NULL)
{
if(printing)
irc->privmsg(hostd->target, "Not enough entries on the stack!");
return false;
}
else if(a->mytype != S_INT || b->mytype != S_INT)
{
if(printing)
irc->privmsg(hostd->target, "Top of the stack is not an integer!");
S->push(a);
S->push(b);
return false;
}
else
{
if(printing)
irc->privmsg(hostd->target, "Or'd");
S->push(new stackentry(a->i|b->i));
return true;
}
}
}
if(cmd[1] == "push")
{
if(cmd.size() >= 3)
{
vector<string> out3 = stringsplit_n(string(params), " \n", 2);
if(registers[out3[2][0]] != NULL)
{
S->push(new stackentry(registers[out3[2][0]]));
if(printing)
irc->privmsg(hostd->target, "pushed");
return true;
}
else
{
if(printing)
irc->privmsg(hostd->target, "Register contains nothing!");
return false;
}
}
else
{
if(printing)
irc->privmsg(hostd->target, "Sorry, %s, the usage is #MYNICKNAME: push <register> (registers are A-Z)", hostd->nick);
return false;
}
}
if(cmd[1] == "ldi")
{
if(cmd.size() >= 4)
{
vector<string> out3 = stringsplit_n(string(params), " \n", 3);
setRegister(out3[2][0], new stackentry(out3[3]));
if(printing)
irc->privmsg(hostd->target, "loaded");
return true;
}
else
{
if(printing)
irc->privmsg(hostd->target, "Sorry, %s, the usage is #MYNICKNAME: ldi <register> <value> (registers are A-Z)", hostd->nick);
return false;
}
}
if(cmd[1] == "popr")
{
if(cmd.size() >= 3)
{
vector<string> out3 = stringsplit_n(string(params), " \n", 2);
stackentry* a = S->pop();
if(a == NULL)
{
if(printing)
irc->privmsg(hostd->target, "Nothing on the stack!");
return false;
}
else
{
setRegister(out3[2][0], a);
if(printing)
irc->privmsg(hostd->target, "Popped");
}
}
else
{
if(printing)
irc->privmsg(hostd->target, "Sorry, %s, the usage is #MYNICKNAME: push <register> (registers are A-Z)", hostd->nick);
return false;
}
}
else if(cmd[1] == "prtoff")
{
printing=false;
return true;
}
else if(cmd[1] == "prton")
{
printing=true;
irc->privmsg(hostd->target, "Printing enabled");
return true;
}
}
}