forked from KolibriOS/kolibrios
30 lines
887 B
C
30 lines
887 B
C
|
|
|
|
void set_exp(char *exp, double x);
|
|
// puts the token back to line
|
|
void putback(double *hold);
|
|
// gets the expression. This function is used externally
|
|
int get_exp(double *hold);
|
|
// works with +-
|
|
void level2(double *hold);
|
|
// works with */%
|
|
void level3(double *hold);
|
|
// works with ^
|
|
void level4(double *hold);
|
|
// works with ()
|
|
void level5(double *hold);
|
|
// works with elementary tokens
|
|
void level6(double *hold);
|
|
// gets value of number, function or variable
|
|
void primitive(double *hold);
|
|
// performs arithmetical operation
|
|
void arith(char op, double *r, double *h);
|
|
// performs unary (one-operand) operation
|
|
void unary(char op, double *r);
|
|
// gets variable value by name
|
|
double find_var(char *s);
|
|
// stops execution of parser and return error code
|
|
void serror(int code);
|
|
// checks the function table to see if such a function exists
|
|
int look_up(char *s);
|