| 0,0 → 1,70 |
|---|
| |
| #pragma once |
| |
| // error codes |
| #define ERR_BADFUNCTION -1 |
| #define ERR_BADNUMER -2 |
| #define ERR_GENERAL -3 |
| #define ERR_NOBRACKET -4 |
| #define ERR_BADVARIABLE -5 |
| #define ERR_OVERFLOW -6 |
| #define ERR_BADPARAM -7 |
| |
| typedef double variable_callback(char *s); |
| |
| void set_exp(char *exp); |
| // puts the token back to line |
| void putback(double *hold); |
| // gets the expression. This function is used externally |
| int get_exp(double *hold); |
| |
| // logic binary |
| void level1(double *hold); |
| |
| // unary ! |
| void level1_5(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); |
| |
| void logic(char *op, double *r, double *h); |
| |
| |
| // performs unary (one-operand) operation |
| void unary(char op, double *r); |
| // gets variable value by name |
| extern variable_callback *find_var; |
| |
| extern double rand_seed; |
| |
| // 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); |
| |
| bool strcmp(char *s1, char *s2); |
| bool strncmp(char *s1, char *s2, int n); |
| |
| extern double epsilon; |
| |
| |
| int isdelim(char c); |
| int isdigit(char c); |
| int isalpha2(char c); |
| int iswhite(char c); |
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