/*
- categorize - sort out character categories
== static void categorize(struct parse *p, struct re_guts *g);
*/
static void
categorize(
struct parse *p,
struct re_guts *g)
{
cat_t *cats;
int c;
int c2;
cat_t cat;
_DIAGASSERT(p != NULL);
_DIAGASSERT(g != NULL);
cats = g->categories;
/* avoid making error situations worse */
if (p->error != 0)
return;
for (c = CHAR_MIN; c <= CHAR_MAX; c++)
if (cats[c] == 0 && isinsets(g, c)) {
cat = g->ncategories++;
cats[c] = cat;
for (c2 = c+1; c2 <= CHAR_MAX; c2++)
if (cats[c2] == 0 && samesets(g, c, c2))
cats[c2] = cat;
}
}
/*
- categorize - sort out character categories
*/
static void
categorize(struct parse *p, struct re_guts *g)
{
cat_t *cats = g? g->categories : NULL;
unsigned int c;
unsigned int c2;
cat_t cat;
/* avoid making error situations worse */
if (!p || p->error != 0 || !cats )
return;
for (c = CHAR_MIN; c <= CHAR_MAX; c++)
if ( *(cats+c) && isinsets(g, c)) {
cat = g->ncategories++;
cats[c] = cat;
for (c2 = c+1; c2 <= CHAR_MAX; c2++)
if (cats[c2] == 0 && samesets(g, c, c2))
cats[c2] = cat;
}
}
