the case of the missing label in the switch/case

Clang Frontend Using Clang
#1

Hi,

I maybe very well not understanding something but it looks like a label
targetted by a goto, in a switch statement, gets missing: if I iterate
through the ast and emit all the stmt/expr/decls, then no label-type is
emitted.

#include <stdio.h>

void myfunc(int a)
{
        switch(a) {
                case 1:
                        printf("1\n");
                        goto my_label;

                case 2:
                        break;

                case 3:
my_label: // this label does not appear in the ast
                        printf("Hello, world!\n");
        }
}

any ideas?

Folkert van Heusden

#2

The problem is that you were using CaseStmt::getRHS instead of
CaseStmt::getSubStmt.
No idea what getRHS is supposed to return then.