| 1 | #include <malloc.h> |
| 2 | |
| 3 | #include "alloc.h" |
| 4 | |
| 5 | #include "element.h" |
| 6 | |
| 7 | /* global variables */ |
| 8 | |
| 9 | #define MAX_ARGS 100 |
| 10 | |
| 11 | keyword_t operators[NB_OPERATORS] = { |
| 12 | { "+\t", Add, 2, 1, 1}, |
| 13 | { "-\t", Sub, 2, 1, 1}, |
| 14 | { "*", Mul, 2, 1, 2}, |
| 15 | { "/", Div, 2, 1, 2}, |
| 16 | { "%", Mod, 2, 1, 3}, |
| 17 | { "^", Pow, 2, 1, 4}, |
| 18 | { "==", Equal, 2, 2, -1}, |
| 19 | { "!=", Diff, 2, 2, -1}, |
| 20 | { ">=", Ge, 2, 2, -1}, |
| 21 | { "<=", Le, 2, 2, -1}, |
| 22 | { ">", Gt, 2, 1, -1}, |
| 23 | { "<", Lt, 2, 1, -1}, |
| 24 | { "&", And, 2, 1, -2}, |
| 25 | { "|", Or, 2, 1, -2} |
| 26 | }; |
| 27 | |
| 28 | keyword_t functions[NB_FUNCTIONS] = { |
| 29 | { "sqrt", Sqr, 1, 4, 5}, |
| 30 | { "pow", Pow, 2, 3, 5}, |
| 31 | { "cos", Cos, 1, 3, 5}, |
| 32 | { "sin", Sin, 1, 3, 5}, |
| 33 | { "tan", Tan, 1, 3, 5}, |
| 34 | { "acos", Acos, 1, 4, 5}, |
| 35 | { "asin", Asin, 1, 4, 5}, |
| 36 | { "atan", Atan, 1, 4, 5}, |
| 37 | { "ln", Ln, 1, 2, 5}, |
| 38 | { "log", Log, 1, 3, 5}, |
| 39 | { "exp", Exp, 1, 3, 5}, |
| 40 | { "erfc", Erfc, 1, 4, 5}, |
| 41 | { "erf", Erf, 1, 3, 5}, |
| 42 | { "abs", Abs, 1, 3, 5}, |
| 43 | { "floor", Floor, 1, 5, 5}, |
| 44 | { "ceil", Ceil, 1, 4, 5}, |
| 45 | { "sto", Store, 2, 3, 5}, |
| 46 | { "rcl", Recall, 1, 3, 5}, |
| 47 | { "inc", Inc, 1, 3, 5}, |
| 48 | { "dec", Dec, 1, 3, 5}, |
| 49 | { "disp", Disp, 0, 4, 9}, |
| 50 | { "mem", Memory, 1, 3, 5}, |
| 51 | { "clr", Clear, 0, 3, 9}, |
| 52 | { "quit", Quit, 0, 4, 9}, |
| 53 | { "help", Help, 0, 4, 9}, |
| 54 | { "hist", History, 0, 4, 9}, |
| 55 | { "!", Not, 1, 1, 6}, |
| 56 | { "cond", Cond, 3, 4, 5}, |
| 57 | { "while", While, 2, 5, 5}, |
| 58 | { "print", Print, 1, 5, 5}, |
| 59 | { "prog", Prog, 2, 4, 9}, |
| 60 | { "arg", Arg, 1, 3, 5}, |
| 61 | { "call", Call, MAX_ARGS, 4, 5}, |
| 62 | { "ls", List, 0, 2, 9}, |
| 63 | { "edit", Edit, 1, 4, 9}, |
| 64 | { "del", Del, 1, 3, 9}, |
| 65 | { "get", Get, 1, 3, 5}, |
| 66 | { "len", Length, 0, 3, 5}, |
| 67 | { "pop", Pop, 0, 3, 5}, |
| 68 | { "push", Push, 1, 4, 5}, |
| 69 | { "put", Put, 2, 3, 5}, |
| 70 | { "set", Set, MAX_ARGS, 3, 5}, |
| 71 | { "show", Show, 0, 4, 5}, |
| 72 | { "max", Max, 2, 3, 5}, |
| 73 | { "mean", Mean, 2, 4, 5}, |
| 74 | { "med", Median, 0, 3, 5}, |
| 75 | { "min", Min, 2, 3, 5}, |
| 76 | { "ord", Order, 0, 3, 5}, |
| 77 | { "prod", Prod, 0, 4, 5}, |
| 78 | { "sum", Sum, 0, 3, 5}, |
| 79 | { "var", Variance, 2, 3, 5}, |
| 80 | { "format", Precision, 1, 6, 9}, |
| 81 | { "base", Base, 2, 4, 9}, |
| 82 | { "deg", Deg, 0, 3, 9}, |
| 83 | { "grad", Grad, 0, 4, 9}, |
| 84 | { "rad", Rad, 0, 3, 9} |
| 85 | }; |
| 86 | |
| 87 | keyword_t constants[NB_CONSTANTS] = { |
| 88 | { "ans", Ans, 0, 3, 5}, |
| 89 | { "e", E, 0, 1, 5}, |
| 90 | { "pi", Pi, 0, 2, 5} |
| 91 | }; |
| 92 | |
| 93 | char *symbols[NB_SYMBOLS] = { |
| 94 | "(", ")", "{", "}" |
| 95 | }; |
| 96 | |
| 97 | /* allocate new element */ |
| 98 | |
| 99 | element_t *newelement (func_t function, int nbops, int prio) |
| 100 | { |
| 101 | element_t *new = (element_t *) callocordie (1, sizeof (element_t)); |
| 102 | if (nbops) { |
| 103 | new->ops = (element_t **) callocordie (nbops, sizeof (element_t *)); |
| 104 | } |
| 105 | new->func = function; |
| 106 | new->nbops = nbops; |
| 107 | new->prio = prio; |
| 108 | |
| 109 | return new; |
| 110 | } |
| 111 | |
| 112 | /* desallocate element */ |
| 113 | |
| 114 | void delelement (element_t *root) |
| 115 | { |
| 116 | if ((root != NULL) && (root != ERROR_OP)) { |
| 117 | int i; |
| 118 | for (i = 0; i < root->nbops; i++) { |
| 119 | delelement (root->ops[i]); |
| 120 | } |
| 121 | if (root->nbops) { |
| 122 | free (root->ops); |
| 123 | } |
| 124 | free (root); |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | /* duplicate element */ |
| 129 | |
| 130 | element_t *dupelement (element_t *root) |
| 131 | { |
| 132 | element_t *tmp = NULL; |
| 133 | int i; |
| 134 | |
| 135 | if ((root == NULL) || (root == ERROR_OP)) { |
| 136 | return root; |
| 137 | } |
| 138 | tmp = newelement (root->func, root->nbops, root->prio); |
| 139 | tmp->value = root->value; |
| 140 | for (i = 0; i < root->nbops; i++) { |
| 141 | tmp->ops[i] = dupelement (root->ops[i]); |
| 142 | } |
| 143 | return tmp; |
| 144 | } |
| 145 | |
| 146 | /* vim: set ts=4 sw=4 et: */ |