1#include <stdio.h>
2
3// This simple program is to demonstrate the capability of the lldb command
4// "breakpoint command add" to add a set of commands to a breakpoint to be
5// executed when the breakpoint is hit.
6//
7// In particular, we want to break within c(), but only if the immediate caller
8// is a().
9
10int a(int);
11int b(int);
12int c(int);
13
14int a(int val)
15{
16 if (val <= 1)
17 return b(val);
18 else if (val >= 3)
19 return c(val); // Find the line number where c's parent frame is a here.
20
21 return val;
22}
23
24int b(int val)
25{
26 return c(val);
27}
28
29int c(int val)
30{
31 return val + 3;
32}
33
34int main (int argc, char const *argv[])
35{
36 int A1 = a(val: 1); // a(1) -> b(1) -> c(1)
37 printf(format: "a(1) returns %d\n", A1);
38
39 int B2 = b(val: 2); // b(2) -> c(2)
40 printf(format: "b(2) returns %d\n", B2);
41
42 int A3 = a(val: 3); // a(3) -> c(3)
43 printf(format: "a(3) returns %d\n", A3);
44
45 return 0;
46}
47

source code of lldb/test/API/commands/expression/radar_8638051/main.c