diff options
Diffstat (limited to 'lib/stdlib/src')
| -rw-r--r-- | lib/stdlib/src/erl_eval.erl | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/lib/stdlib/src/erl_eval.erl b/lib/stdlib/src/erl_eval.erl index 3a4108e297..acde3ad5d6 100644 --- a/lib/stdlib/src/erl_eval.erl +++ b/lib/stdlib/src/erl_eval.erl @@ -18,6 +18,9 @@ %% -module(erl_eval). +%% Guard is_map/1 is not yet supported in HiPE. +-compile(no_native). + %% An evaluator for Erlang abstract syntax. -export([exprs/2,exprs/3,exprs/4,expr/2,expr/3,expr/4,expr/5, @@ -243,11 +246,18 @@ expr({record,_,_,Name,_}, _Bs, _Lf, _Ef, _RBs) -> %% map expr({map,_, Binding,Es}, Bs0, Lf, Ef, RBs) -> {value, Map0, Bs1} = expr(Binding, Bs0, Lf, Ef, RBs), - {Vs,Bs} = eval_map_fields(Es, Bs1, Lf, Ef), - ret_expr(lists:foldl(fun - ({map_assoc,K,V}, Mi) -> maps:put(K,V,Mi); - ({map_exact,K,V}, Mi) -> maps:update(K,V,Mi) - end, Map0, Vs), Bs, RBs); + case Map0 of + #{} -> + {Vs,Bs} = eval_map_fields(Es, Bs1, Lf, Ef), + Map1 = lists:foldl(fun ({map_assoc,K,V}, Mi) -> + maps:put(K, V, Mi); + ({map_exact,K,V}, Mi) -> + maps:update(K, V, Mi) + end, Map0, Vs), + ret_expr(Map1, Bs, RBs); + _ -> + erlang:raise(error, {badarg,Map0}, stacktrace()) + end; expr({map,_,Es}, Bs0, Lf, Ef, RBs) -> {Vs,Bs} = eval_map_fields(Es, Bs0, Lf, Ef), ret_expr(lists:foldl(fun @@ -1113,9 +1123,10 @@ match1({tuple,_,Elts}, Tuple, Bs, BBs) match_tuple(Elts, Tuple, 1, Bs, BBs); match1({tuple,_,_}, _, _Bs, _BBs) -> throw(nomatch); -match1({map,_,Fs}, Map, Bs, BBs) -> +match1({map,_,Fs}, #{}=Map, Bs, BBs) -> match_map(Fs, Map, Bs, BBs); - +match1({map,_,_}, _, _Bs, _BBs) -> + throw(nomatch); match1({bin, _, Fs}, <<_/bitstring>>=B, Bs0, BBs) -> eval_bits:match_bits(Fs, B, Bs0, BBs, match_fun(BBs), |