file: line.h


#include <String.h>
#include <strstream.h>
#include <vector>
#include <iostream.h>
#include <Regex.h>
#include <ctype.h>

class line{

private:
  String raw;
  vector<String> tokens;
  vector<int> arguments;
  bool compile;
  int loc;
  int lin;

  // rip() takes apart a string into tokens!
  void rip();
  friend ostream& operator<<(ostream &o, line &a);

public:
  bool num(String &token, int &value);
  line(String &instr, int &number, bool compile);
  line() { raw = "/n"; compile = false;}

  bool equ();
  bool org() const { return ((fcompare(tokens[0], "ORG") == 0) && (tokens.size() == 2));}

  // instruction should return true if the string will show up in final code.
  bool instruction() { return compile;}

  // psuedoop returns true if the line is not compilable, is not a
  // comment, and is a label, equ, or org.
  bool psuedoop() { return ((equ() || org() || label()));}

  // returns true if the line is some sort of comment!
  // bool comment();

  // returns true if the line is actually a label
  bool label() const { return ((tokens.size() == 1) && (raw.lastchar() == ':'));}

  // returns true if token is successfully filled with another
  // unresolved token
  bool next(String &token) ;        //OVERLOAD CALL: next: resolved_line.cc(resolved_line), line.cpp(line), pre.cpp(preprocessor)

  int arg(int &a) const { return (arguments[a]);}
  int location()  const { return loc;}
  int number()    const { return lin;}
  int byte();

  String basestring() const { return raw;}
  String resolvedstring();

  // fill replaces 'String replace' with 'String with' in the vector.
  // If 'String with' is numerical, the appropriate numerical value is
  // placed in arguments.
  void fillarg(String &replace, String &with);
  void location(int a) { loc = a;}
};





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