diff options
Diffstat (limited to 'lib/debugger/test/int_eval_SUITE_data')
-rw-r--r-- | lib/debugger/test/int_eval_SUITE_data/stacktrace.erl | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/lib/debugger/test/int_eval_SUITE_data/stacktrace.erl b/lib/debugger/test/int_eval_SUITE_data/stacktrace.erl new file mode 100644 index 0000000000..a42dfca433 --- /dev/null +++ b/lib/debugger/test/int_eval_SUITE_data/stacktrace.erl @@ -0,0 +1,130 @@ +-module(stacktrace). +-export([?MODULE/0]). + +?MODULE() -> + OldDepth = erlang:system_flag(backtrace_depth, 32), + done = (catch do_try()), + Stk = trim(erlang:get_stacktrace()), + erlang:system_flag(backtrace_depth, OldDepth), + {done,Stk}. + +trim([{int_eval_SUITE,_,_}|_]) -> + []; +trim([H|T]) -> + [H|trim(T)]; +trim([]) -> []. + +do_try() -> + try + 0 = id(42) + catch + error:{badmatch,42} -> + do_try2() %Tail-recursive + end. + +do_try2() -> + try + 0 = id(42) + catch + error:{badmatch,42} -> + do_try3() %Not tail-recursive + end, + ?LINE. + +do_try3() -> + try id(42) of + 42 -> do_try4() %Tail-recursive + catch + error:ignore -> %Should never catch + ?LINE + end. + +do_try4() -> + try + do_recv() %Not tail-recursive + catch + error:ignore -> %Should never catch + ?LINE + end. + +do_recv() -> + self() ! x, + receive + x -> do_recv2() %Not tail-recursive + end, + ?LINE. + +do_recv2() -> + self() ! y, + receive + y -> do_recv3() %Tail-recursive + end. + +do_recv3() -> + receive + after 0 -> do_recv4() %Tail-recursive + end. + +do_recv4() -> + receive + after 0 -> do_if(true) %Not tail-recursive + end, + ?LINE. + +do_if(Bool) -> + if + Bool -> do_if2(Bool) %Tail-recursive + end. + +do_if2(Bool) -> + if + Bool -> do_case(Bool) %Not tail-recursive + end, + ?LINE. + + +do_case(Bool) -> + case Bool of + true -> do_case2(Bool) %Tail-recursive + end. + +do_case2(Bool) -> + case Bool of + true -> do_fun(Bool) %Not tail-recursive + end, + ?LINE. + +do_fun(Bool) -> + F = fun(true) -> + do_fun2(Bool) %Tail-recursive + end, + F(Bool). %Tail-recursive + +do_fun2(Bool) -> + F = fun(true) -> + cons(Bool) %Tail-recursive + end, + F(Bool), %Not tail-recursive + ?LINE. + +cons(Bool) -> + [Bool|tuple()]. + +tuple() -> + {ok,op()}. + +op() -> + 1 + lc(). + +lc() -> + [done() || true]. + +done() -> + tail(100), + throw(done). + +tail(0) -> ok; +tail(N) -> tail(N-1). + +id(I) -> + I. |