programs/other/graph/parser.h

   1
   2
   3 void set_exp(char *exp, double x);
   4 // puts the token back to line
   5 void putback(double *hold);
   6 // gets the expression. This function is used externally
   7 int get_exp(double *hold);
   8 // works with +-
   9 void level2(double *hold);
  10 // works with */%
  11 void level3(double *hold);
  12 // works with ^
  13 void level4(double *hold);
  14 // works with ()
  15 void level5(double *hold);
  16 // works with elementary tokens
  17 void level6(double *hold);
  18 // gets value of number, function or variable
  19 void primitive(double *hold);
  20 // performs arithmetical operation
  21 void arith(char op, double *r, double *h);
  22 // performs unary (one-operand) operation
  23 void unary(char op, double *r);
  24 // gets variable value by name
  25 double find_var(char *s);
  26 // stops execution of parser and return error code
  27 void serror(int code);
  28 // checks the function table to see if such a function exists
  29 int look_up(char *s);