X-Git-Url: https://secure.softndesign.org/git/?a=blobdiff_plain;f=program.c;h=70ce6c12f943cc5519ba1b2e74d73843d264c5f7;hb=7d32325ab262aaf9cb62151de5a9c889cb5ebfab;hp=a6801f8a48574ed34a003ed5451e1ef8e6a35ea7;hpb=33b4877a64014cfb19d0ef6928b1ffefe6496903;p=calc.git

diff --git a/program.c b/program.c
index a6801f8..70ce6c1 100644
--- a/program.c
+++ b/program.c
@@ -73,28 +73,43 @@ void prog (int id, element_t *root)
 
 double call (int id, int nbargs, element_t **args)
 {
+    int i;
     double ret = 0;
 
+    VERBOSE (DEBUG, fprintf (stdout, "new call (%d)\n", id));
+
     /* look for program */
     int n = lookfor_program (id);
     if (n == -1) {
         VERBOSE (WARNING, fprintf (stdout, "error unknown program (%d)\n", id));
         return 0;
     }
-    VERBOSE (DEBUG, fprintf (stdout, "id -> n; %d -> %d\n", id, n));
 
-    /* set arguments */
-    free_tab (argument);
-    argument = NULL;
-    VERBOSE (DEBUG, fprintf (stdout, "nbargs; %d\n", nbargs));
-    if (nbargs > 0) {
-        def (nbargs, args);
+    /* display debug information */
+    VERBOSE (DEBUG, fprintf (stdout, "nbargs: %d\n", nbargs));
+    for (i = 0; i < nbargs; i++) {
+        VERBOSE (DEBUG, fprintf (stdout, "argument %d\n", i + 1); print_element (args[i], 0));
     }
+    VERBOSE (DEBUG, fprintf (stdout, "program\n"); print_element (programs[n]->root, 0));
 
     /* backup context */
     workspace_t *tmp = backup_ws (alloc_ws ());
     restore_ws (programs[n]);
 
+    /* set arguments */
+    VERBOSE (DEBUG, fprintf (stdout, "argument before evaluation (%d)\n", size_tab (argument)));
+    for (i = 0; i < size_tab (argument); i++) {
+        VERBOSE (DEBUG, fprintf (stdout, "arg %d value: %g\n", i + 1, get_tab (argument, i + 1)));
+    }
+    VERBOSE (DEBUG, fprintf (stdout, "evaluate %d args\n", nbargs));
+    tab_t *new_argument = def (nbargs, args);
+    tab_t *old_argument = argument;
+    argument = new_argument;
+    VERBOSE (DEBUG, fprintf (stdout, "argument after evaluation (%d)\n", size_tab (argument)));
+    for (i = 0; i < size_tab (argument); i++) {
+        VERBOSE (DEBUG, fprintf (stdout, "arg %d value: %g\n", i + 1, get_tab (argument, i + 1)));
+    }
+
     /* evaluate program */
     answer = 0;
     element_t *elements = dupelement (programs[n]->root);
@@ -102,15 +117,15 @@ double call (int id, int nbargs, element_t **args)
     VERBOSE (DEBUG, fprintf (stdout, "ret; %g\n", ret));
     delelement (elements);
 
-    /* clean arguments */
-    free_tab (argument);
-    argument = NULL;
-
     /* restore context */
     backup_ws (programs[n]);
     restore_ws (tmp);
     free_ws (tmp);
 
+    /* clean arguments */
+    free_tab (argument);
+    argument = old_argument;
+
     return ret;
 }