diff options
Diffstat (limited to 'lib/dialyzer/test/small_SUITE_data/src/not_guard_crash.erl')
-rw-r--r-- | lib/dialyzer/test/small_SUITE_data/src/not_guard_crash.erl | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/lib/dialyzer/test/small_SUITE_data/src/not_guard_crash.erl b/lib/dialyzer/test/small_SUITE_data/src/not_guard_crash.erl new file mode 100644 index 0000000000..75bcffc2bc --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/not_guard_crash.erl @@ -0,0 +1,49 @@ +%% From: Matthias Radestock <matthias@lshift.net> +%% Date: 19 August 2007 +%% +%% when I run dialyzer on my code it throws the following error: +%% +%% Analysis failed with error report: +%% {{case_clause,any}, +%% [{dialyzer_dataflow,bind_guard,5}, +%% {dialyzer_dataflow,bind_guard_case_clauses,6}, +%% {dialyzer_dataflow,bind_guard,5}, +%% {dialyzer_dataflow,bind_guard_case_clauses,6}, +%% {dialyzer_dataflow,bind_guard,5}, +%% {dialyzer_dataflow,bind_eqeq_guard_lit_other,6}, +%% {dialyzer_dataflow,bind_guard,...}, +%% {dialyzer_dataflow,...}]} +%% +%% This is happening with the R11B-5 version of dialyzer when +%% analyzing the attached file. +%%-------------------------------------------------------------------- + +-module(not_guard_crash). + +-export([match_ticket/2]). + +-record(ticket, {passive_flag, active_flag, write_flag, read_flag}). + +%%-------------------------------------------------------------------- + +match_ticket(#ticket{passive_flag = PP, + active_flag = PA, + write_flag = PW, + read_flag = PR}, + #ticket{passive_flag = TP, + active_flag = TA, + write_flag = TW, + read_flag = TR}) -> + if + %% Matches if either we're not requesting passive access, or + %% passive access is permitted, and ... + (not(TP) orelse PP) andalso + (not(TA) orelse PA) andalso + (not(TW) orelse PW) andalso + (not(TR) orelse PR) -> + match; + true -> + no_match + end. + +%%-------------------------------------------------------------------- |