int main(int argc, char* argv[]){
StackLi<char> tokenStack;
StackLi<int> lineStack;
char input;
int lineCount = 1;
lineStack.push(1);
ifstream inputFile;
inputFile.open(argv[1]);
while(!inputFile.eof()){
inputFile.get(input);
//EOF
if(inputFile.peek() == EOF){
if(!tokenStack.isEmpty()){
cout << "Unmatched " << tokenStack.topAndPop() << " on line #" << lineStack.topAndPop() << endl;
return 0;
}
if(tokenStack.isEmpty()){
cout << "OK" << endl;
}
}
//end of line
else if(input == '\n'){
lineCount++;
//cout << input;
}
//reading char
else{
//
//match and ignore /* */
if(input == '/'){
inputFile.get(input); // now in /*
if(input == '*'){
tokenStack.push('*');
lineStack.push(lineCount);
bool asterisk = 0;
bool closed = false;
do{
inputFile.get(input);
if(input == '*'){
asterisk = true;
}
else if (input != '/') {
asterisk = false;
}
if(asterisk == true && input == '/'){
//cout << asterisk << input << endl;
closed = true;
tokenStack.topAndPop();
lineStack.topAndPop();
}
}while(closed != true && !inputFile.eof());
if(inputFile.eof()){
cout << "Unmatched /* on line #" << lineStack.topAndPop() << endl;
return 0;
}
}
}
//end matching /* */
// find */
if(input == '*'){
inputFile.get(input);
if(input == '/'){
cout << "Unmatched */ on line #" << lineCount << endl;
return 0;
}
}
//
if(input == '(' || input == '{' || input == '['){
tokenStack.push(input);
lineStack.push(lineCount);
}
if(input == ')'){
if(tokenStack.topAndPop() != '('){
cout << "Unmatched " << input << " on line #" << lineStack.topAndPop() << endl;
return 0;
}
}
if(input == '}'){
if(tokenStack.topAndPop() != '{'){
cout << "Unmatched " << input << " on line #" << lineStack.topAndPop() << endl;
return 0;
}
}
if(input == ']'){
if(tokenStack.topAndPop() != '['){
cout << "Unmatched " << input << " on line #" << lineStack.topAndPop() << endl;
return 0;
}
}
}
}
return 0;
}
