diff options
Diffstat (limited to 'lib/parsetools/src')
| -rw-r--r-- | lib/parsetools/src/yecc.erl | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/lib/parsetools/src/yecc.erl b/lib/parsetools/src/yecc.erl index f4657663e6..3fcec73ce2 100644 --- a/lib/parsetools/src/yecc.erl +++ b/lib/parsetools/src/yecc.erl @@ -2064,11 +2064,13 @@ output_actions(St0, StateJumps, StateInfo) -> SelS = [{State,Called} || {{State,_JActions}, {State,Called}} <- lists:zip(StateJumps, lists:keysort(1, Sel))], + St05 = + fwrite(St0, <<"-dialyzer({nowarn_function, yeccpars2/7}).\n">>, []), St10 = foldl(fun({State, Called}, St_0) -> {State, #state_info{state_repr = IState}} = lookup_state(StateInfo, State), output_state_selection(St_0, State, IState, Called) - end, St0, SelS), + end, St05, SelS), St20 = fwrite(St10, <<"yeccpars2(Other, _, _, _, _, _, _) ->\n">>, []), St = fwrite(St20, ?YECC_BUG(<<"{missing_state_in_action_table, Other}">>, []), @@ -2089,7 +2091,8 @@ output_state_selection(St0, State, IState, Called) -> [Comment, IState]). output_state_actions(St, State, State, {Actions,jump_none}, SI) -> - output_state_actions1(St, State, Actions, true, normal, SI); + St1 = output_state_actions_begin(St, State, Actions), + output_state_actions1(St1, State, Actions, true, normal, SI); output_state_actions(St0, State, State, {Actions, Jump}, SI) -> {Tag, To, Common} = Jump, CS = case Tag of @@ -2099,13 +2102,22 @@ output_state_actions(St0, State, State, {Actions, Jump}, SI) -> St = output_state_actions1(St0, State, Actions, true, {to, CS}, SI), if To =:= State -> - output_state_actions1(St, CS, Common, true, normal, SI); + St1 = output_state_actions_begin(St, State, Actions), + output_state_actions1(St1, CS, Common, true, normal, SI); true -> St end; output_state_actions(St, State, JState, _XActions, _SI) -> fwrite(St, <<"%% yeccpars2_~w: see yeccpars2_~w\n\n">>, [State, JState]). +output_state_actions_begin(St, State, Actions) -> + case [yes || {_, #reduce{}} <- Actions] of + [] -> + fwrite(St, <<"-dialyzer({nowarn_function, yeccpars2_~w/7}).\n">>, + [State]); % Only when yeccerror(T) is output. + _ -> St + end. + output_state_actions1(St, State, [], IsFirst, normal, _SI) -> output_state_actions_fini(State, IsFirst, St); output_state_actions1(St0, State, [], IsFirst, {to, ToS}, _SI) -> |