diff options
Diffstat (limited to 'lib/compiler/src/cerl.erl')
| -rw-r--r-- | lib/compiler/src/cerl.erl | 96 |
1 files changed, 72 insertions, 24 deletions
diff --git a/lib/compiler/src/cerl.erl b/lib/compiler/src/cerl.erl index 3c121f3b04..e400e4f185 100644 --- a/lib/compiler/src/cerl.erl +++ b/lib/compiler/src/cerl.erl @@ -124,21 +124,21 @@ %% keep map exports here for now map_es/1, - map_val/1, + map_arg/1, update_c_map/3, - ann_c_map/3, + ann_c_map/2, ann_c_map/3, map_pair_op/1,map_pair_key/1,map_pair_val/1, update_c_map_pair/4, ann_c_map_pair/4 ]). --export_type([c_binary/0, c_call/0, c_clause/0, c_cons/0, c_fun/0, c_literal/0, - c_module/0, c_tuple/0, c_values/0, c_var/0, cerl/0, var_name/0]). +-export_type([c_binary/0, c_bitstr/0, c_call/0, c_clause/0, c_cons/0, c_fun/0, + c_literal/0, c_map_pair/0, c_module/0, c_tuple/0, + c_values/0, c_var/0, cerl/0, var_name/0]). -%% -%% needed by the include file below -- do not move -%% --type var_name() :: integer() | atom() | {atom(), integer()}. +%% HiPE does not understand Maps +%% (guard functions is_map/1 and map_size/1 in ann_c_map/3) +-compile(no_native). -include("core_parse.hrl"). @@ -173,6 +173,8 @@ | c_module() | c_primop() | c_receive() | c_seq() | c_try() | c_tuple() | c_values() | c_var(). +-type var_name() :: integer() | atom() | {atom(), integer()}. + %% ===================================================================== %% Representation (general) %% @@ -204,13 +206,15 @@ %% <td>call</td> %% <td>case</td> %% <td>catch</td> -%% </tr><tr> %% <td>clause</td> +%% </tr><tr> %% <td>cons</td> %% <td>fun</td> %% <td>let</td> %% <td>letrec</td> %% <td>literal</td> +%% <td>map</td> +%% <td>map_pair</td> %% <td>module</td> %% </tr><tr> %% <td>primop</td> @@ -261,10 +265,10 @@ %% @see subtrees/1 %% @see meta/1 --type ctype() :: 'alias' | 'apply' | 'binary' | 'bitrst' | 'call' | 'case' - | 'catch' | 'clause' | 'cons' | 'fun' | 'let' | 'letrec' - | 'literal' | 'map' | 'module' | 'primop' | 'receive' | 'seq' - | 'try' | 'tuple' | 'values' | 'var'. +-type ctype() :: 'alias' | 'apply' | 'binary' | 'bitrst' | 'call' | 'case' + | 'catch' | 'clause' | 'cons' | 'fun' | 'let' | 'letrec' + | 'literal' | 'map' | 'map_pair' | 'module' | 'primop' + | 'receive' | 'seq' | 'try' | 'tuple' | 'values' | 'var'. -spec type(cerl()) -> ctype(). @@ -1575,20 +1579,70 @@ ann_make_list(_, [], Node) -> %% --------------------------------------------------------------------- %% maps --spec map_es(c_map()) -> [cerl()]. +-spec map_es(c_map()) -> [c_map_pair()]. map_es(#c_map{es = Es}) -> Es. --spec map_val(c_map()) -> cerl(). -map_val(#c_map{var = M}) -> +-spec map_arg(c_map()) -> c_map() | c_literal(). + +map_arg(#c_map{arg = M}) -> M. +-spec ann_c_map([term()], [cerl()]) -> c_map() | c_literal(). + +ann_c_map(As,Es) -> + ann_c_map(As, #c_literal{val=#{}}, Es). + +-spec ann_c_map([term()], c_map() | c_literal(), [c_map_pair()]) -> c_map() | c_literal(). + +ann_c_map(As,#c_literal{val=Mval}=M,Es) when is_map(Mval), map_size(Mval) =:= 0 -> + Pairs = [[Ck,Cv]||#c_map_pair{key=Ck,val=Cv}<-Es], + IsLit = lists:foldl(fun(Pair,Res) -> + Res andalso is_lit_list(Pair) + end, true, Pairs), + Fun = fun(Pair) -> [K,V] = lit_list_vals(Pair), {K,V} end, + case IsLit of + false -> + #c_map{arg=M, es=Es, anno=As }; + true -> + #c_literal{anno=As, val=maps:from_list(lists:map(Fun, Pairs))} + end; +ann_c_map(As,#c_literal{val=M},Es) when is_map(M) -> + fold_map_pairs(As,Es,M); ann_c_map(As,M,Es) -> - #c_map{var=M,es = Es, anno = As }. + #c_map{arg=M, es=Es, anno=As }. + +fold_map_pairs(As,[],M) -> #c_literal{anno=As,val=M}; +%% M#{ K => V} +fold_map_pairs(As,[#c_map_pair{op=#c_literal{val=assoc},key=Ck,val=Cv}=E|Es],M) -> + case is_lit_list([Ck,Cv]) of + true -> + [K,V] = lit_list_vals([Ck,Cv]), + fold_map_pairs(As,Es,maps:put(K,V,M)); + false -> + #c_map{arg=#c_literal{val=M,anno=As}, es=[E|Es], anno=As } + end; +%% M#{ K := V} +fold_map_pairs(As,[#c_map_pair{op=#c_literal{val=exact},key=Ck,val=Cv}=E|Es],M) -> + case is_lit_list([Ck,Cv]) of + true -> + [K,V] = lit_list_vals([Ck,Cv]), + case maps:is_key(K,M) of + true -> fold_map_pairs(As,Es,maps:put(K,V,M)); + false -> + #c_map{arg=#c_literal{val=M,anno=As}, es=[E|Es], anno=As } + end; + false -> + #c_map{arg=#c_literal{val=M,anno=As}, es=[E|Es], anno=As } + end; +fold_map_pairs(As,Es,M) -> + #c_map{arg=#c_literal{val=M,anno=As}, es=Es, anno=As }. + +%-spec update_c_map(c_map() | c_literal(), [c_map_pair()]) -> c_map() | c_literal(). update_c_map(Old,M,Es) -> - #c_map{var=M, es = Es, anno = get_ann(Old)}. + #c_map{arg=M, es = Es, anno = get_ann(Old)}. map_pair_key(#c_map_pair{key=K}) -> K. map_pair_val(#c_map_pair{val=V}) -> V. @@ -4324,12 +4378,8 @@ meta_1(cons, Node) -> %% we get exactly one element, we generate a 'c_cons' call %% instead of 'make_list' to reconstruct the node. case split_list(Node) of - {[H], none} -> - meta_call(c_cons, [meta(H), meta(c_nil())]); {[H], Node1} -> meta_call(c_cons, [meta(H), meta(Node1)]); - {L, none} -> - meta_call(make_list, [make_list(meta_list(L))]); {L, Node1} -> meta_call(make_list, [make_list(meta_list(L)), meta(Node1)]) @@ -4416,8 +4466,6 @@ split_list(Node, L) -> case type(Node) of cons when A =:= [] -> split_list(cons_tl(Node), [cons_hd(Node) | L]); - nil when A =:= [] -> - {lists:reverse(L), none}; _ -> {lists:reverse(L), Node} end. |