Revert "translate i(vxx) to vxx#branch. Doing it here"

This reverts commit aa99acf513.

src/frontend/parse.c

@@ -29,62 +29,13 @@ extern int PPparse(char **, struct pnode **);
 void db_print_pnode_tree(struct pnode *p, char *print);
 
 
-/* Replace i(vxx) by vxx#branch.
-   Otherwise it will be done in vec_fromplot().
-   Doing it here prevents PPparse from creating a
-   spurious vector named vxx that will leak memory. */
-static char* inp_rep_ixx(const char *cline) {
-
-    char* line, * beg;
-    line = beg = (char*)cline;
-
-    char* new_str = NULL;
-    while (line) {
-        char* s = strstr(line, "i(v");
-        if (s &&
-                ((s == cline) ||
-                (s > line) && (isspace_c(s[-1]) || is_arith_char(s[-1]) ||
-                 isquote(s[-1]) || (s[-1] == '=') || (s[-1] == '.')))) {
-            char* beg_str, * end_str, * t;
-            line = s;
-            /* replace i(vxx) by vxx#branch */
-            if (get_r_paren(&line) == 1) {
-                fprintf(stderr, "Error: missing ')' in line\n    %s\n", cline);
-                break;
-            }
-            /* token containing name of voltage source to be measured */
-            t = copy_substring(s + 2, line - 1);
-            /* change line, convert i(XXX) to XXX#branch */
-            beg_str = copy_substring(beg, s);
-            end_str = copy(line);
-            tfree(new_str);
-            new_str = tprintf("%s%s%s%s", beg_str, t, "#branch", end_str);
-            beg = line = new_str;
-            tfree(beg_str);
-            tfree(end_str);
-            tfree(t);
-        }
-        else {
-            break;
-        }
-    }
-    if (new_str) {
-        return new_str;;
-    }
-    return copy(cline);
-}
-
-
 struct pnode *ft_getpnames_from_string(const char *sz, bool check)
 {
     struct pnode *pn;
 
-    /* translate i(vss) to vss.branch */
+    /* The first argument to PPparse is not const char **, but it does not
-    char* delstr;
+     * appear to modify the string that is being parsed */
-    char* restr = delstr = inp_rep_ixx(sz);
+    if (PPparse((char **) &sz, &pn) != 0) {
-    /* PPparse modifies the string that is being parsed */
-    if (PPparse(&restr, &pn) != 0) {
-        tfree(delstr);
         return (struct pnode *) NULL;
     }
 
@@ -93,11 +44,9 @@ struct pnode *ft_getpnames_from_string(const char *sz, bool check)
      * being returned. */
     if (check && !checkvalid(pn)) {
         free_pnode(pn);
-        tfree(delstr);
         return (struct pnode *) NULL;
     }
 
-    tfree(delstr);
     return pn;
 } /* end of function ft_getpnames_from_string */