void Block::dump_pred(const Block_Array *bbs, Block* orig) const {
if (is_connector()) {
for (uint i=1; i<num_preds(); i++) {
Block *p = ((*bbs)[pred(i)->_idx]);
p->dump_pred(bbs, orig);
}
} else {
dump_bidx(orig);
C2OUT->print(" ");
}
}
// parse | and ;
// parse tokens from head (include) to tail (*exclude*)
PARSE_STATUS parse_connector(TOKEN_LIST_NODE *head, TOKEN_LIST_NODE *tail)
{
TOKEN_LIST_NODE *cur;
PARSE_STATUS p;
// parse has finished!
if (head == tail)
return PARSE_STATUS_NORMAL;
// check until connector occurs
cur = head;
while (cur->next != tail && !is_connector(cur->tok))
{
cur = cur->next;
}
// check if a pipe operator (|) at the end
if (cur->tok->type == TOKEN_TYPE_PIPE &&
cur->next == tail)
{
return PARSE_STATUS_ILLEGAL_CONNECTOR;
}
#ifdef DEBUG
fprintf(stderr, "[parser.c] parse command %d %d\n", head, cur->next);
#endif
p = parse_command(head, cur->next);
if (p != PARSE_STATUS_NORMAL)
return p;
#ifdef DEBUG
fprintf(stderr, "[parser.c] parse connector %d %d\n", cur->next, tail);
#endif
p = parse_connector(cur->next, tail);
if (p != PARSE_STATUS_NORMAL)
return p;
return PARSE_STATUS_NORMAL;
}
