1//===-- main.c --------------------------------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9#include <stdio.h>
10
11// This simple program is to demonstrate the capability of the lldb command
12// "breakpoint command add" to add a set of commands to a breakpoint to be
13// executed when the breakpoint is hit.
14//
15// In particular, we want to break within c(), but only if the immediate caller
16// is a().
17
18int a(int);
19int b(int);
20int c(int);
21
22int a(int val)
23{
24    if (val <= 1)
25        return b(val);
26    else if (val >= 3)
27        return c(val); // Find the line number where c's parent frame is a here.
28
29    return val;
30}
31
32int b(int val)
33{
34    return c(val);
35}
36
37int c(int val)
38{
39    return val + 3;
40}
41
42int main (int argc, char const *argv[])
43{
44    int A1 = a(1);  // a(1) -> b(1) -> c(1)
45    printf("a(1) returns %d\n", A1);
46
47    int B2 = b(2);  // b(2) -> c(2)
48    printf("b(2) returns %d\n", B2);
49
50    int A3 = a(3);  // a(3) -> c(3)
51    printf("a(3) returns %d\n", A3);
52
53    return 0;
54}
55