Changeset 35607

Timestamp:

May 30, 2013, 11:27:20 AM (13 years ago)

Author:

eugene

Message:

raise an error for binary or unary ops missing arguments

File:

• branches/eam_branches/ipp-20130509/Ohana/src/libdvo/src/dbCheckStack.c (modified) (1 diff)

branches/eam_branches/ipp-20130509/Ohana/src/libdvo/src/dbCheckStack.c

@@ -23 +23 @@
 
   for (i = 0; i < Nstack; i++) {
+
+    // BINARY operators
+    if ((stack[i].type >= DB_STACK_LOGIC) && (stack[i].type <= DB_STACK_POWER)) {
+      if (i < 2) {
+        gprint (GP_ERR, "syntax error for field %s (binary operator missing operand)\n", stack[i].name);
+        goto failure;
+      }
+    }
+
+    // UNARY operators
+    if (stack[i].type == DB_STACK_UNARY) {
+      if (i < 1) {
+        gprint (GP_ERR, "syntax error for field %s (unary operator missing operand)\n", stack[i].name);
+        goto failure;
+      }
+    }
+
     if (stack[i].type == DB_STACK_VALUE) {