Statement *ParseSwitchStatement()
{
Statement *snp;
Statement *head, *tail;
currentFn->UsesPredicate = TRUE;
snp = NewStatement(st_switch, TRUE);
snp->predreg = iflevel;
iflevel++;
if( expression(&(snp->exp)) == NULL )
error(ERR_EXPREXPECT);
needpunc(begin);
head = 0;
while( lastst != end ) {
if( head == NULL )
head = tail = ParseCaseStatement();
else {
tail->next = ParseCaseStatement();
if( tail->next != NULL )
tail = tail->next;
}
if (tail==NULL) break; // end of file in switch
tail->next = NULL;
}
snp->s1 = head;
NextToken();
if( CheckForDuplicateCases(head) )
error(ERR_DUPCASE);
iflevel--;
return snp;
}
Statement *ParseSwitchStatement()
{
Statement *snp;
Statement *head, *tail;
snp = NewStatement(st_switch, TRUE);
iflevel++;
if( expression(&(snp->exp)) == NULL )
error(ERR_EXPREXPECT);
needpunc(begin,36);
head = 0;
while( lastst != end ) {
if( head == (Statement *)NULL ) {
head = tail = ParseCaseStatement();
if (head)
head->outer = snp;
}
else {
tail->next = ParseCaseStatement();
if( tail->next != (Statement *)NULL ) {
tail->next->outer = snp;
tail = tail->next;
}
}
if (tail==(Statement *)NULL) break; // end of file in switch
tail->next = (Statement *)NULL;
}
snp->s1 = head;
NextToken();
if( CheckForDuplicateCases(head) )
error(ERR_DUPCASE);
iflevel--;
return snp;
}
