-#include <malloc.h>
#include <math.h>
+#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
+#include "alloc.h"
+#include "argument.h"
#include "debug.h"
-#include "fdprintf.h"
+#include "element.h"
+#include "format.h"
+#include "program.h"
+#include "stack.h"
+#include "storage.h"
#include "parser.h"
+/* global variables */
+
+double answer = 0;
+
/* compare codes */
int codecmp (char *ref, char *str)
return 0;
}
-/* allocate new element */
-
-element_t *newelement (func_t function, int nbops, int prio)
-{
- element_t *new = (element_t *) calloc (1, sizeof (element_t));
- if (new == NULL) {
- VERBOSE (ERROR, fdprintf (stdfderr, "can't allocate memory\n"));
- return NULL;
- }
- new->func = function;
- new->nbops = nbops;
- new->prio = prio;
-
- return new;
-}
-
-/* desallocate element */
-
-void delelement (element_t *root)
-{
- int i;
- if ((root != NULL) && (root != ERROR_OP)) {
- for (i = 0; i < root->nbops; i++) {
- if ((root->ops[i] != NULL) && (root->ops[i] != ERROR_OP)) {
- delelement (root->ops[i]);
- }
- }
- free (root);
- }
-}
-
/* functions */
-#define NB_OPERATORS 6
+#define MAX_ARGS 100
+#define NB_OPERATORS 14
keyword_t operators[NB_OPERATORS] = {
{ "+\t", Add, 2, 1, 1},
{ "-\t", Sub, 2, 1, 1},
{ "*", Mul, 2, 1, 2},
{ "/", Div, 2, 1, 2},
{ "%", Mod, 2, 1, 3},
- { "^", Pow, 2, 1, 4}
+ { "^", Pow, 2, 1, 4},
+ { "==", Equal, 2, 2, -1},
+ { "!=", Diff, 2, 2, -1},
+ { ">=", Ge, 2, 2, -1},
+ { "<=", Le, 2, 2, -1},
+ { ">", Gt, 2, 1, -1},
+ { "<", Lt, 2, 1, -1},
+ { "&", And, 2, 1, -2},
+ { "|", Or, 2, 1, -2}
};
-#define NB_FUNCTIONS 9
+#define NB_FUNCTIONS 51
keyword_t functions[NB_FUNCTIONS] = {
{ "sqrt", Sqr, 1, 4, 5},
{ "pow", Pow, 2, 3, 5},
{ "cos", Cos, 1, 3, 5},
{ "sin", Sin, 1, 3, 5},
- { "atan", Atn, 1, 4, 5},
- { "exp", Exp, 1, 3, 5},
+ { "tan", Tan, 1, 3, 5},
+ { "acos", Acos, 1, 4, 5},
+ { "asin", Asin, 1, 4, 5},
+ { "atan", Atan, 1, 4, 5},
+ { "ln", Ln, 1, 2, 5},
{ "log", Log, 1, 3, 5},
- { "quit", Qui, 0, 4, 5},
- { "help", Hel, 0, 4, 5}
+ { "exp", Exp, 1, 3, 5},
+ { "erfc", Erfc, 1, 4, 5},
+ { "erf", Erf, 1, 3, 5},
+ { "abs", Abs, 1, 3, 5},
+ { "floor", Floor, 1, 5, 5},
+ { "ceil", Ceil, 1, 4, 5},
+ { "sto", Store, 2, 3, 5},
+ { "rcl", Recall, 1, 3, 5},
+ { "inc", Inc, 1, 3, 5},
+ { "dec", Dec, 1, 3, 5},
+ { "disp", Disp, 0, 4, 9},
+ { "mem", Memory, 1, 3, 5},
+ { "clr", Clear, 0, 3, 9},
+ { "quit", Quit, 0, 4, 9},
+ { "help", Help, 0, 4, 9},
+ { "!", Not, 1, 1, 6},
+ { "cond", Cond, 3, 4, 5},
+ { "while", While, 2, 5, 5},
+ { "print", Print, 1, 5, 5},
+ { "prog", Prog, 2, 4, 9},
+ { "arg", Arg, 1, 3, 5},
+ { "call", Call, MAX_ARGS, 4, 5},
+ { "ls", List, 0, 2, 9},
+ { "edit", Edit, 1, 4, 9},
+ { "del", Del, 1, 3, 9},
+ { "get", Get, 1, 3, 5},
+ { "len", Length, 0, 3, 5},
+ { "pop", Pop, 0, 3, 5},
+ { "push", Push, 1, 4, 5},
+ { "put", Put, 2, 3, 5},
+ { "set", Set, MAX_ARGS, 3, 5},
+ { "show", Show, 0, 4, 5},
+ { "max", Max, 2, 3, 5},
+ { "mean", Mean, 2, 4, 5},
+ { "med", Median, 0, 3, 5},
+ { "min", Min, 2, 3, 5},
+ { "ord", Order, 0, 3, 5},
+ { "prod", Prod, 0, 4, 5},
+ { "sum", Sum, 0, 3, 5},
+ { "var", Variance, 2, 3, 5},
+ { "format", Precision, 1, 6, 9}
+};
+
+#define NB_CONSTANTS 3
+keyword_t constants[NB_CONSTANTS] = {
+ { "ans", Ans, 0, 3, 5},
+ { "e", E, 0, 1, 5},
+ { "pi", Pi, 0, 2, 5}
+};
+
+#define NB_SYMBOLS 4
+char *symbols[NB_SYMBOLS] = {
+ "(", ")", "{", "}"
};
/* subparser function */
element_t *subparser (element_t **proot, char **pstr, func_t func, int nbops, int prio)
{
element_t *new = newelement (func, nbops, prio);
- if (new == NULL) {
- return ERROR_OP;
- }
new->ops[0] = *proot;
new->ops[1] = parser (*pstr, pstr, new->prio);
+ if ((new->ops[1] == NULL) || ((new->ops[1] != ERROR_OP) && (new->ops[1]->prio == 9))) {
+ delelement (new->ops[1]);
+ new->ops[1] = ERROR_OP;
+ }
if (new->ops[1] == ERROR_OP) {
delelement (new);
*proot = NULL;
return ERROR_OP;
}
*proot = newelement (Val, 1, 5);
- if (*proot == NULL) {
- delelement (new);
- return ERROR_OP;
- }
(*proot)->ops[0] = new;
return *proot;
element_t *parser (char *str, char **next, int prio)
{
element_t *root = NULL;
+ char *string = str;
int i;
- VERBOSE (DEBUG, PRINTOUT ("Starting parsing\n"));
+ VERBOSE (DEBUG, fprintf (stdout, "Starting parsing\n"));
/* main loop */
while (*str != '\0') {
int found = 0;
element_t *new = NULL;
- VERBOSE (INFO, PRINTOUT ("Processing: %s\n", str));
+ VERBOSE (INFO, fprintf (stdout, "Processing: %s\n", str));
+
+ /* end without printing */
+
+ if (*str == ';') {
+ if (root) {
+ root->hidden = 1;
+ }
+ break;
+ }
/* skip spaces and tabs */
continue;
}
+ /* check for open brace */
+
+ if (*str == '{') {
+ VERBOSE (DEBUG, fprintf (stdout, "start processing brace\n"));
+ if (root != NULL) {
+ delelement (root);
+ return ERROR_OP;
+ }
+ root = newelement (Code, 0, 5);
+
+ do {
+ new = parser (str + 1, &str, 0);
+ if ((new == NULL) || ((new != ERROR_OP) && (new->prio == 9))) {
+ delelement (new);
+ new = ERROR_OP;
+ }
+ if (new == ERROR_OP) {
+ delelement (root);
+ return ERROR_OP;
+ }
+ element_t *newcode = newelement (Code, root->nbops + 1, 5);
+ for (i = 0; i < root->nbops; i++) {
+ newcode->ops[i] = root->ops[i];
+ root->ops[i] = NULL;
+ }
+ newcode->ops[root->nbops] = new;
+ delelement (root);
+ root = newcode;
+ } while (*str == ',');
+
+ if (*str != '}') {
+ delelement (root);
+ return ERROR_OP;
+ }
+ str++;
+ VERBOSE (DEBUG, fprintf (stdout, "stop processing brace\n"));
+ continue;
+ }
+
/* check for open bracket */
if (*str == '(') {
- VERBOSE (DEBUG, PRINTOUT ("start processing bracket\n"));
+ VERBOSE (DEBUG, fprintf (stdout, "start processing bracket\n"));
if (root) {
do {
found = 0;
new = parser (str + 1, &str, 0);
- if (new == ERROR_OP) {
+ if ((new == NULL) || ((new != ERROR_OP) && (new->prio == 9))) {
+ delelement (new);
+ new = ERROR_OP;
+ }
+ if ((new == NULL) || (new == ERROR_OP)) {
delelement (root);
return ERROR_OP;
}
} while (*str == ',');
} else {
root = newelement (Val, 1, 5);
- if (root == NULL) {
- return ERROR_OP;
- }
new = parser (str + 1, &str, 0);
- if ((new == ERROR_OP) || (*str == ',')) {
+ if ((new == NULL) || ((new != ERROR_OP) && (new->prio == 9))) {
+ delelement (new);
+ new = ERROR_OP;
+ }
+ if ((new == NULL) || (new == ERROR_OP) || (*str == ',')) {
delelement (new);
delelement (root);
return ERROR_OP;
}
root->ops[0] = new;
}
+ if (*str != ')') {
+ delelement (root);
+ return ERROR_OP;
+ }
str++;
- VERBOSE (DEBUG, PRINTOUT ("stop processing bracket\n"));
+ VERBOSE (DEBUG, fprintf (stdout, "stop processing bracket\n"));
continue;
}
- /* check for closing bracket or koma */
+ /* check for closing bracket, closing brace or koma */
- if ((*str == ')') || (*str == ',')) {
+ if ((*str == ')') || (*str == '}') || (*str == ',')) {
+ if (prio == -9) {
+ delelement (root);
+ return ERROR_OP;
+ }
if (next != NULL) {
*next = str;
}
for (i = 0; i < NB_OPERATORS; i++) {
keyword_t *operator = operators + i;
if (codecmp (operator->keyword, str) == 0) {
- VERBOSE (DEBUG, PRINTOUT ("start processing operator\n"));
- if (root) {
+ VERBOSE (DEBUG, fprintf (stdout, "start processing operator\n"));
+ if ((root) && (root->prio == 9)) {
+ VERBOSE (DEBUG, fprintf (stdout, "terminal function (%d)\n", root->func));
+ delelement (root);
+ return ERROR_OP;
+ } else if (root) {
if ((prio) && (prio > operator->prio)) {
- VERBOSE (DEBUG, PRINTOUT ("stop because operator priority\n"));
+ VERBOSE (DEBUG, fprintf (stdout, "stop because operator priority\n"));
*next = str;
return root;
}
str += operator->offset;
- VERBOSE (INFO, PRINTOUT ("Oper: %d\n", operator->func));
+ VERBOSE (INFO, fprintf (stdout, "Oper: %d\n", operator->func));
if (subparser (&root, &str, operator->func, operator->nbops, operator->prio) == ERROR_OP) {
delelement (root);
return ERROR_OP;
}
} else if (*str == '-') {
- new = newelement (Sig, 1, 9);
- if (new == NULL) {
- return ERROR_OP;
- }
- root = new;
+ root = newelement (Sig, 1, 6);
} else {
return ERROR_OP;
}
found = 1;
- VERBOSE (DEBUG, PRINTOUT ("stop processing operator\n"));
+ VERBOSE (DEBUG, fprintf (stdout, "stop processing operator\n"));
break;
}
}
for (i = 0; i < NB_FUNCTIONS; i++) {
keyword_t *function = functions + i;
if (codecmp (function->keyword, str) == 0) {
- VERBOSE (DEBUG, PRINTOUT ("start processing function\n"));
+ VERBOSE (DEBUG, fprintf (stdout, "start processing function\n"));
if (root == NULL) {
- VERBOSE (INFO, PRINTOUT ("Func: %d\n", function->func));
- new = newelement (function->func, function->nbops, function->prio);
- if (new == NULL) {
- return ERROR_OP;
- }
- root = new;
+ VERBOSE (INFO, fprintf (stdout, "Func: %d\n", function->func));
+ root = newelement (function->func, function->nbops, function->prio);
} else {
delelement (root);
return ERROR_OP;
}
str += function->offset;
found = 1;
- VERBOSE (DEBUG, PRINTOUT ("stop processing function\n"));
+ VERBOSE (DEBUG, fprintf (stdout, "stop processing function\n"));
+ break;
+ }
+ }
+ if (found) {
+ continue;
+ }
+
+ /* look for constant */
+
+ for (i = 0; i < NB_CONSTANTS; i++) {
+ keyword_t *constant = constants + i;
+ if (codecmp (constant->keyword, str) == 0) {
+ VERBOSE (DEBUG, fprintf (stdout, "start processing constant\n"));
+ if (root == NULL) {
+ VERBOSE (INFO, fprintf (stdout, "Const: %d\n", constant->func));
+ root = newelement (constant->func, constant->nbops, constant->prio);
+ } else {
+ delelement (root);
+ return ERROR_OP;
+ }
+ str += constant->offset;
+ found = 1;
+ VERBOSE (DEBUG, fprintf (stdout, "stop processing constant\n"));
break;
}
}
if (((*str >= '0') && (*str <= '9')) ||
(*str == '.') || (*str == '+') || (*str == '-')) {
- VERBOSE (DEBUG, PRINTOUT ("start processing value\n"));
+ VERBOSE (DEBUG, fprintf (stdout, "start processing value\n"));
char *pt;
- float value = strtof (str, &pt);
- VERBOSE (INFO, PRINTOUT ("Value: %f\n", value));
+ double value = strtod (str, &pt);
+ VERBOSE (INFO, fprintf (stdout, "Value: %f\n", value));
if (str != pt) {
- if (root == NULL) {
+ if ((root == NULL) || (root->prio == 6)) {
new = newelement (Val, 1, 5);
- if (new == NULL) {
- return ERROR_OP;
- }
new->value = value;
- root = new;
- str = pt;
- } else if (root->func == Val) {
- if ((*str == '+') || (*str == '-')) {
- if ((prio) && (prio > 1)) {
- VERBOSE (DEBUG, PRINTOUT ("stop because operator priority\n"));
- *next = str;
- return root;
+ if (root == NULL) {
+ root = new;
+ } else {
+ for (i = 0; i < root->nbops; i++) {
+ if (root->ops[i] == NULL) {
+ root->ops[i] = new;
+ found = 1;
+ break;
+ }
}
- if (subparser (&root, &str, Add, 2, 1) == ERROR_OP) {
+ if (!found) {
+ delelement (new);
delelement (root);
return ERROR_OP;
}
- } else {
+ }
+ str = pt;
+ } else if ((*str == '+') || (*str == '-')) {
+ if ((prio) && (prio > 1)) {
+ VERBOSE (DEBUG, fprintf (stdout, "stop because operator priority\n"));
+ *next = str;
+ return root;
+ }
+ if (subparser (&root, &str, Add, 2, 1) == ERROR_OP) {
delelement (root);
return ERROR_OP;
}
}
found = 1;
}
- VERBOSE (DEBUG, PRINTOUT ("stop processing value\n"));
+ VERBOSE (DEBUG, fprintf (stdout, "stop processing value\n"));
}
/* error */
*next = str;
}
+ /* save string */
+ if (root != NULL) {
+ root->string = string;
+ }
+
return root;
}
}
for (i = 0; i < level; i++) {
- PRINTOUT (" ");
+ fprintf (stdout, " ");
}
switch (root->func) {
case Sqr: func = "Square Root"; break;
case Cos: func = "Cosine"; break;
case Sin: func = "Sine"; break;
- case Atn: func = "Arc Tangent"; break;
- case Log: func = "Logarithm"; break;
+ case Tan: func = "Tangent"; break;
+ case Acos: func = "Arc Cosine"; break;
+ case Asin: func = "Arc Sine"; break;
+ case Atan: func = "Arc Tangent"; break;
+ case Ln: func = "Logarithm (natural)"; break;
+ case Log: func = "Logarithm (10 base)"; break;
case Exp: func = "Exponantial"; break;
- case Qui: func = "Quit"; break;
- case Hel: func = "Help"; break;
+ case Erfc: func = "Complementary Error Function"; break;
+ case Erf: func = "Error Function"; break;
+ case Abs: func = "Absolute value"; break;
+ case Ceil: func = "Ceil value"; break;
+ case Floor: func = "Floor value"; break;
+ case Store: func = "Store"; break;
+ case Recall: func = "Recall"; break;
+ case Inc: func = "Increase"; break;
+ case Dec: func = "Decrease"; break;
+ case Disp: func = "Display"; break;
+ case Memory: func = "Memory"; break;
+ case Clear: func = "Clear"; break;
+ case Quit: func = "Quit"; break;
+ case Help: func = "Help"; break;
+ case Ans: func = "Ans"; break;
+ case Pi: func = "Pi"; break;
+ case E: func = "E"; break;
+ case Equal: func = "Equal"; break;
+ case Diff: func = "Different"; break;
+ case Ge: func = "Greater or equal"; break;
+ case Le: func = "Lesser or equal"; break;
+ case Gt: func = "Greater"; break;
+ case Lt: func = "Lesser"; break;
+ case And: func = "And"; break;
+ case Or: func = "Or"; break;
+ case Not: func = "Not"; break;
+ case Cond: func = "Condition"; break;
+ case While: func = "While"; break;
+ case Code: func = "Code"; break;
+ case Print: func = "Print"; break;
+ case Prog: func = "Program"; break;
+ case Arg: func = "Argument"; break;
+ case Call: func = "Call"; break;
+ case List: func = "List"; break;
+ case Edit: func = "Edit"; break;
+ case Del: func = "Del"; break;
+ case Get: func = "Get"; break;
+ case Length: func = "Length"; break;
+ case Pop: func = "Pop"; break;
+ case Push: func = "Push"; break;
+ case Put: func = "Put"; break;
+ case Set: func = "Set"; break;
+ case Show: func = "Show"; break;
+ case Max: func = "Maximum"; break;
+ case Mean: func = "Mean"; break;
+ case Median: func = "Median"; break;
+ case Min: func = "Minimum"; break;
+ case Order: func = "Order"; break;
+ case Prod: func = "Product"; break;
+ case Sum: func = "Sum"; break;
+ case Variance: func = "Variance"; break;
+ case Precision: func = "Precision"; break;
}
- PRINTOUT ("Function: %s\n", func);
+ fprintf (stdout, "Function: %s\n", func);
if ((root->func == Val) && (root->ops[0] == NULL)) {
for (i = 0; i < level; i++) {
- PRINTOUT (" ");
+ fprintf (stdout, " ");
}
- PRINTOUT ("value: %f\n", root->value);
+ fprintf (stdout, "value: %f\n", root->value);
} else {
for (i = 0; i < root->nbops; i++) {
print_element (root->ops[i], level + 1);
}
}
+/* While do function */
+
+double while_do (element_t *cond, element_t *action)
+{
+ double ret = 0;
+ element_t *temp = NULL;
+
+ VERBOSE (DEBUG, fprintf (stdout, "starting while loop\n"));
+ while (1) {
+ VERBOSE (DEBUG, fprintf (stdout, "loop...\n"));
+
+ temp = dupelement (cond);
+ double test = evaluate_element (temp, 0);
+ delelement (temp);
+ if (!test) {
+ break;
+ }
+ if (action) {
+ temp = dupelement (action);
+ ret = evaluate_element (temp, 0);
+ delelement (temp);
+ }
+ }
+
+ VERBOSE (DEBUG, fprintf (stdout, "ending while loop\n"));
+
+ return ret;
+}
+
+/* program function */
+
+double execute_code (element_t **prog, int nbcalls)
+{
+ double ret = 0;
+ int i;
+ for (i = 0; i < nbcalls; i++) {
+ ret = evaluate_element (prog[i], 0);
+ }
+ return ret;
+}
+
/* quit function */
void quit (void)
{
- PRINTOUT ("bye\n");
+ fprintf (stdout, "bye\n");
exit (0);
}
void help (void)
{
- PRINTOUT ("calc is a simple calculator\n\n");
- PRINTOUT ("supported operators:\n");
- PRINTOUT (" + - * / % ^\n\n");
- PRINTOUT ("supported functions:\n");
- PRINTOUT (" pow sqrt cos sin atan log exp\n\n");
- PRINTOUT ("miscellaneous functions:\n");
- PRINTOUT (" quit help\n");
+ fprintf (stdout, "calc is a simple calculator\n\n");
+ fprintf (stdout, "arithmetic op.:");
+ fprintf (stdout, " + - * / %% ^\n");
+ fprintf (stdout, "comparison op.:");
+ fprintf (stdout, " == != >= <= > <\n");
+ fprintf (stdout, "logical op.:");
+ fprintf (stdout, " & | !\n");
+ fprintf (stdout, "mathematic func.:");
+ fprintf (stdout, " exp ln log pow sqrt\n");
+ fprintf (stdout, "trigonometric func.:");
+ fprintf (stdout, " acos asin atan cos sin tan\n");
+ fprintf (stdout, "error functions:");
+ fprintf (stdout, " erf erfc\n");
+ fprintf (stdout, "miscellaneous func.:");
+ fprintf (stdout, " abs ceil floor\n");
+ fprintf (stdout, "storage func.:");
+ fprintf (stdout, " clear dec disp inc mem rcl sto\n");
+ fprintf (stdout, "control flow prim.:");
+ fprintf (stdout, " cond print while {} ;\n");
+ fprintf (stdout, "program management:");
+ fprintf (stdout, " arg call del edit ls prog\n");
+ fprintf (stdout, "stack management:");
+ fprintf (stdout, " get len pop push put set show\n");
+ fprintf (stdout, "stack func.:");
+ fprintf (stdout, " max mean med min ord prod sum var\n");
+ fprintf (stdout, "control management:");
+ fprintf (stdout, " format help quit\n");
+ fprintf (stdout, "constants:");
+ fprintf (stdout, " ans e pi\n");
}
/* evaluate element tree */
{
double op0 = 0, op1 = 0;
char nextmask = mask;
+ int i, nb;
if ((root == NULL) || (root == ERROR_OP)) {
- VERBOSE (WARNING, PRINTOUT ("error while evaluating\n"));
+ VERBOSE (WARNING, fprintf (stdout, "error while evaluating\n"));
return 0;
}
case Div:
case Mod:
case Pow:
+ case Equal:
+ case Diff:
+ case Ge:
+ case Le:
+ case Gt:
+ case Lt:
+ case And:
+ case Or:
if (root->ops[1]) {
op1 = evaluate_element (root->ops[1], nextmask);
} else {
- VERBOSE (WARNING, PRINTOUT ("error while evaluating (op[1])\n"));
+ VERBOSE (WARNING, fprintf (stdout, "error while evaluating (op[1])\n"));
return 0;
}
/* fallthrough */
case Sqr:
case Cos:
case Sin:
- case Atn:
+ case Tan:
+ case Acos:
+ case Asin:
+ case Atan:
+ case Ln:
case Log:
case Exp:
+ case Erfc:
+ case Erf:
+ case Abs:
+ case Ceil:
+ case Floor:
+ case Recall:
+ case Inc:
+ case Dec:
+ case Not:
+ case Cond:
+ case Prog:
+ case Arg:
+ case Call:
+ case Edit:
+ case Del:
+ case Get:
if (root->ops[0]) {
op0 = evaluate_element (root->ops[0], 0);
} else {
- VERBOSE (WARNING, PRINTOUT ("error while evaluating (op[0])\n"));
+ VERBOSE (WARNING, fprintf (stdout, "error while evaluating (op[0])\n"));
return 0;
}
break;
- case Qui:
- case Hel:
+ case Disp:
+ case Clear:
+ case Quit:
+ case Help:
+ case Ans:
+ case Pi:
+ case E:
+ case Code:
+ case List:
+ case Length:
+ case Pop:
+ case Set:
+ case Show:
+ case Median:
+ case Order:
+ case Prod:
+ case Sum:
+ break;
+ case While:
+ if (root->ops[0] == NULL) {
+ VERBOSE (WARNING, fprintf (stdout, "error while evaluating (op[0])\n"));
+ return 0;
+ }
+ break;
+ case Memory:
+ if (root->ops[0] == NULL) {
+ op0 = -1;
+ } else {
+ op0 = (int)evaluate_element (root->ops[0], 0);
+ if (op0 < 0) {
+ VERBOSE (WARNING, fprintf (stdout, "error incorrect memory size (%d)\n", (int)op0));
+ return 0;
+ }
+ }
+ break;
+ case Push:
+ case Print:
+ op0 = (root->ops[0]) ? evaluate_element (root->ops[0], 0) : answer;
+ break;
+ case Store:
+ case Put:
+ if (root->ops[0]) {
+ op0 = evaluate_element (root->ops[0], 0);
+ } else {
+ VERBOSE (WARNING, fprintf (stdout, "error while evaluating (op[0])\n"));
+ return 0;
+ }
+ op1 = (root->ops[1]) ? evaluate_element (root->ops[1], 0) : answer;
+ break;
+ case Max:
+ case Mean:
+ case Min:
+ case Variance:
+ if (root->ops[0]) {
+ op0 = evaluate_element (root->ops[0], 0);
+ op1 = (root->ops[1]) ? evaluate_element (root->ops[1], 0) : answer;
+ }
+ break;
+ case Precision:
+ op0 = (root->ops[0]) ? evaluate_element (root->ops[0], 0) : -1;
break;
}
case Sqr: return sqrt (op0);
case Cos: return cos (op0);
case Sin: return sin (op0);
- case Atn: return atan (op0);
- case Log: return log (op0);
+ case Tan: return tan (op0);
+ case Acos: return acos (op0);
+ case Asin: return asin (op0);
+ case Atan: return atan (op0);
+ case Ln: return log (op0);
+ case Log: return log10 (op0);
case Exp: return exp (op0);
- case Qui: quit (); break;
- case Hel: help (); break;
+ case Erfc: return erfc (op0);
+ case Erf: return erf (op0);
+ case Abs: return fabs (op0);
+ case Ceil: return ceil (op0);
+ case Floor: return floor (op0);
+ case Store: return store ((int)op0, op1);
+ case Recall: return recall ((int)op0);
+ case Inc: return increase ((int)op0);
+ case Dec: return decrease ((int)op0);
+ case Disp: display (); break;
+ case Memory: return memory ((root->ops[0]) ? (int)op0 : -1);
+ case Clear: clear (); break;
+ case Quit: quit (); break;
+ case Help: help (); break;
+ case Ans: return answer;
+ case Pi: return M_PI;
+ case E: return M_E;
+ case Equal: return op0 == op1;
+ case Diff: return op0 != op1;
+ case Ge: return op0 >= op1;
+ case Le: return op0 <= op1;
+ case Gt: return op0 > op1;
+ case Lt: return op0 < op1;
+ case And: return (op0 != 0) && (op1 != 0);
+ case Or: return (op0 != 0) || (op1 != 0);
+ case Not: return (op0 == 0);
+ case Cond:
+ if ((op0) && (root->ops[1])) {
+ return evaluate_element (root->ops[1], 0);
+ } else if ((!op0) && (root->ops[2])) {
+ return evaluate_element (root->ops[2], 0);
+ } else {
+ return 0;
+ }
+ case While: return while_do (root->ops[0], root->ops[1]);
+ case Code: return execute_code (root->ops, root->nbops);
+ case Print: return print (op0);
+ case Prog:
+ prog ((int)op0, root->ops[1]);
+ savestring ((int)op0, root->string);
+ break;
+ case Arg: return arg ((int)op0);
+ case Call:
+ for (i = 1, nb = 0; i < root->nbops; i++) {
+ if (root->ops[i]) {
+ nb++;
+ }
+ }
+ return call ((int)op0, nb, root->ops + 1);
+ case List: list (); break;
+ case Edit: edit ((int)op0); break;
+ case Del: del ((int)op0); break;
+ case Get: return get ((int)op0);
+ case Length: return length ();
+ case Pop: return pop ();
+ case Push: return push (op0);
+ case Put: return put ((int)op0, op1);
+ case Set:
+ for (i = 0, nb =0; i < root->nbops; i++) {
+ if (root->ops[i]) {
+ nb++;
+ }
+ }
+ return set (nb, root->ops);
+ case Show: show (); break;
+ case Max:
+ if (root->ops[0]) {
+ return op0 > op1 ? op0 : op1;
+ }
+ return max ();
+ case Mean:
+ if (root->ops[0]) {
+ return (op0 + op1) / 2;
+ }
+ return mean ();
+ case Median: return median ();
+ case Min:
+ if (root->ops[0]) {
+ return op0 < op1 ? op0 : op1;
+ }
+ return min ();
+ case Order: order (); break;
+ case Prod: return prod ();
+ case Sum: return sum ();
+ case Variance:
+ if (root->ops[0]) {
+ double m = (op0 + op1) / 2;
+ op0 -= m;
+ op1 -= m;
+ return op0 * op0 + op1 * op1;
+ }
+ return variance ();
+ case Precision:
+ if (op0 > 0) {
+ set_precision ((int)op0);
+ set_format ();
+ } else if (op0 != -1) {
+ VERBOSE (WARNING, fprintf (stdout, "error incorrect precision (%g)\n", op0));
+ return 0;
+ }
+ return get_precision();
}
return 0;
}
+char **generate_completion_list ()
+{
+ int i, j, l = 0;
+ char **list = (char **) callocordie (NB_OPERATORS + NB_FUNCTIONS + NB_CONSTANTS + NB_SYMBOLS + 1, sizeof (char *));
+
+ for (i = 0; i < NB_OPERATORS; i++) {
+ list[l] = strdup ((operators + i)->keyword);
+ for (j = 0; j < (int)strlen (list[l]); j++) {
+ if (list[i][j] == '\t') {
+ list[i][j] = '\0';
+ }
+ }
+ if (list[l] != NULL) {
+ l++;
+ }
+ }
+
+ for (i = 0; i < NB_FUNCTIONS; i++) {
+ list[l] = strdup ((functions + i)->keyword);
+ if (list[l] != NULL) {
+ l++;
+ }
+ }
+
+ for (i = 0; i < NB_CONSTANTS; i++) {
+ list[l] = strdup ((constants + i)->keyword);
+ if (list[l] != NULL) {
+ l++;
+ }
+ }
+
+ for (i = 0; i < NB_SYMBOLS; i++) {
+ list[l] = strdup (symbols[i]);
+ if (list[l] != NULL) {
+ l++;
+ }
+ }
+
+ return (list);
+}
+
+void free_completion_list (char **list)
+{
+ int i;
+
+ if (list) {
+ for (i = 0; i < NB_OPERATORS + NB_FUNCTIONS + NB_CONSTANTS + NB_SYMBOLS + 1; i++) {
+ if (list[i] != NULL) {
+ free (list[i]);
+ }
+ }
+ free (list);
+ }
+}
+
/* vim: set ts=4 sw=4 et: */