Author: chromatic
Date: Fri Jun 15 21:23:47 2007
New Revision: 19033
Modified:
trunk/lib/Parrot/Vtable.pm
trunk/src/objects.c
Log:
[Vtable] Don't waste valuable electrons calculating something that's
precalculated.
Modified: trunk/lib/Parrot/Vtable.pm
==============================================================================
--- trunk/lib/Parrot/Vtable.pm (original)
+++ trunk/lib/Parrot/Vtable.pm Fri Jun 15 21:23:47 2007
@@ -248,16 +248,19 @@
* vtable slot names
*/
#ifdef PARROT_IN_OBJECTS_C
+
+#define PARROT_VTABLE_LOW 9
+
static const char * const Parrot_vtable_slot_names[] = {
- "", /* Pointer to namespace for this class */
- "", /* 'type' value for MMD */
- "", /* Name of class this vtable is for */
- "", /* Flags. Duh */
- "", /* space-separated list of interfaces */
- "", /* space-separated list of classes */
- "", /* class */
- "", /* mro */
- "", /* ro_variant_vtable */
+ "", /* Pointer to namespace for this class */
+ "", /* 'type' value for MMD */
+ "", /* Name of class this vtable is for */
+ "", /* Flags. Duh */
+ "", /* space-separated list of interfaces */
+ "", /* space-separated list of classes */
+ "", /* class */
+ "", /* mro */
+ "", /* ro_variant_vtable */
/* Vtable Functions */
EOM
Modified: trunk/src/objects.c
==============================================================================
--- trunk/src/objects.c (original)
+++ trunk/src/objects.c Fri Jun 15 21:23:47 2007
@@ -39,15 +39,11 @@
INTVAL
Parrot_get_vtable_index(Interp *interp, const STRING *name /*NN*/)
{
- char * const name_c = string_to_cstring(interp, name);
- INTVAL low = 0;
- INTVAL high = NUM_VTABLE_FUNCTIONS - 1;
+ char * const name_c = string_to_cstring(interp, name);
/* some of the first "slots" don't have names. skip 'em. */
- while (!Parrot_vtable_slot_names[low]) {
- low++;
- high++;
- }
+ INTVAL low = PARROT_VTABLE_LOW;
+ INTVAL high = NUM_VTABLE_FUNCTIONS + PARROT_VTABLE_LOW;
while (low < high) {
const INTVAL mid = (low + high) / 2;
