[35dd0f42] | 1 | #include "exception.h" |
---|
| 2 | |
---|
| 3 | #include <stdio.h> |
---|
| 4 | |
---|
| 5 | // Translation Helpers: |
---|
| 6 | #define CLEANUP(function) \ |
---|
| 7 | struct __cleanup_hook __hidden_hook __attribute__((cleanup(function))) |
---|
| 8 | |
---|
| 9 | |
---|
| 10 | // Local Print On Exit: |
---|
| 11 | struct raii_base_type { |
---|
| 12 | const char * area; |
---|
| 13 | }; |
---|
| 14 | |
---|
| 15 | void raii_dtor(struct raii_base_type * this) { |
---|
| 16 | printf("Exiting: %s\n", this->area); |
---|
| 17 | } |
---|
| 18 | |
---|
| 19 | #define raii_t __attribute__((cleanup(raii_dtor))) struct raii_base_type |
---|
| 20 | |
---|
| 21 | // Runtime code (post-translation). |
---|
| 22 | void terminate(int except_value) { |
---|
| 23 | raii_t a = {"terminate function"}; |
---|
| 24 | __throw_terminate(except_value); |
---|
| 25 | printf("terminate returned\n"); |
---|
| 26 | } |
---|
| 27 | |
---|
| 28 | void resume(int except_value) { |
---|
| 29 | raii_t a = {"resume function"}; |
---|
| 30 | __throw_resume(except_value); |
---|
| 31 | printf("resume returned\n"); |
---|
| 32 | } |
---|
| 33 | |
---|
| 34 | // Termination Test: Two handlers: no catch, catch |
---|
| 35 | void bar() { |
---|
| 36 | void bar_try1() { |
---|
| 37 | terminate(4); |
---|
| 38 | } |
---|
| 39 | void bar_catch1(int index, exception except) { |
---|
| 40 | switch(except) { |
---|
| 41 | case 1: |
---|
| 42 | printf("bar caught exception.\n"); |
---|
| 43 | break; |
---|
| 44 | default: |
---|
| 45 | printf("INVALID INDEX in bar: %d\n", except); |
---|
| 46 | } |
---|
| 47 | } |
---|
| 48 | int bar_match1(exception except) { |
---|
| 49 | if (3 == except) { |
---|
| 50 | return 1; |
---|
| 51 | } else { |
---|
| 52 | return 0; |
---|
| 53 | } |
---|
| 54 | } |
---|
| 55 | __try_terminate(bar_try1, bar_catch1, bar_match1); |
---|
| 56 | } |
---|
| 57 | |
---|
| 58 | void foo() { |
---|
| 59 | void foo_try1() { |
---|
| 60 | bar(); |
---|
| 61 | } |
---|
| 62 | void foo_catch1(int index, exception except) { |
---|
| 63 | switch(except) { |
---|
| 64 | case 1: |
---|
| 65 | printf("foo caught exception 4.\n"); |
---|
| 66 | break; |
---|
| 67 | case 2: |
---|
| 68 | printf("foo caught exception 2.\n"); |
---|
| 69 | break; |
---|
| 70 | default: |
---|
| 71 | printf("INVALID INDEX in foo: %d\n", except); |
---|
| 72 | } |
---|
| 73 | } |
---|
| 74 | int foo_match1(exception except) { |
---|
| 75 | if (4 == except) { |
---|
| 76 | return 1; |
---|
| 77 | } else if (2 == except) { |
---|
| 78 | return 2; |
---|
| 79 | } else { |
---|
| 80 | return 0; |
---|
| 81 | } |
---|
| 82 | } |
---|
| 83 | __try_terminate(foo_try1, foo_catch1, foo_match1); |
---|
| 84 | } |
---|
| 85 | |
---|
| 86 | int main(int argc, char * argv[]) { |
---|
| 87 | raii_t a = {"main function"}; |
---|
| 88 | |
---|
| 89 | foo(); |
---|
| 90 | } |
---|