diff options
Diffstat (limited to 'lib/hipe/cerl/cerl_prettypr.erl')
| -rw-r--r-- | lib/hipe/cerl/cerl_prettypr.erl | 41 |
1 files changed, 39 insertions, 2 deletions
diff --git a/lib/hipe/cerl/cerl_prettypr.erl b/lib/hipe/cerl/cerl_prettypr.erl index fba9a48cda..9a3873f46d 100644 --- a/lib/hipe/cerl/cerl_prettypr.erl +++ b/lib/hipe/cerl/cerl_prettypr.erl @@ -62,7 +62,10 @@ receive_action/1, receive_clauses/1, receive_timeout/1, seq_arg/1, seq_body/1, string_lit/1, try_arg/1, try_body/1, try_vars/1, try_evars/1, try_handler/1, - tuple_es/1, type/1, values_es/1, var_name/1]). + tuple_es/1, type/1, values_es/1, var_name/1, + c_map/1, map_arg/1, map_es/1, is_c_map_empty/1, + c_map_pair/2, map_pair_key/1, map_pair_val/1, map_pair_op/1 + ]). -define(PAPER, 76). -define(RIBBON, 45). @@ -424,6 +427,10 @@ lay_1(Node, Ctxt) -> lay_cons(Node, Ctxt); tuple -> lay_tuple(Node, Ctxt); + map -> + lay_map(Node, Ctxt); + map_pair -> + lay_map_pair(Node, Ctxt); 'let' -> lay_let(Node, Ctxt); seq -> @@ -483,7 +490,13 @@ lay_literal(Node, Ctxt) -> %% `lay_cons' will check for strings. lay_cons(Node, Ctxt); V when is_tuple(V) -> - lay_tuple(Node, Ctxt) + lay_tuple(Node, Ctxt); + M when is_map(M), map_size(M) =:= 0 -> + text("~{}~"); + M when is_map(M) -> + lay_map(c_map([c_map_pair(abstract(K),abstract(V)) + || {K,V} <- maps:to_list(M)]), + Ctxt) end. lay_var(Node, Ctxt) -> @@ -589,6 +602,30 @@ lay_tuple(Node, Ctxt) -> Ctxt, fun lay/2)), floating(text("}")))). +lay_map(Node, Ctxt) -> + Arg = map_arg(Node), + After = case is_c_map_empty(Arg) of + true -> floating(text("}~")); + false -> + beside(floating(text(" | ")), + beside(lay(Arg,Ctxt), + floating(text("}~")))) + end, + beside(floating(text("~{")), + beside(par(seq(map_es(Node), floating(text(",")), Ctxt, fun lay/2)), + After)). + +lay_map_pair(Node, Ctxt) -> + K = map_pair_key(Node), + V = map_pair_val(Node), + OpTxt = case concrete(map_pair_op(Node)) of + assoc -> "::<"; + exact -> "~<" + end, + beside(floating(text(OpTxt)), + beside(lay(K,Ctxt),beside(floating(text(",")), beside(lay(V,Ctxt), + floating(text(">")))))). + lay_let(Node, Ctxt) -> V = lay_value_list(let_vars(Node), Ctxt), D1 = par([follow(text("let"), |