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-rw-r--r--lib/compiler/src/beam_dict.erl22
1 files changed, 10 insertions, 12 deletions
diff --git a/lib/compiler/src/beam_dict.erl b/lib/compiler/src/beam_dict.erl
index e8e6fe8bab..b1aa98278e 100644
--- a/lib/compiler/src/beam_dict.erl
+++ b/lib/compiler/src/beam_dict.erl
@@ -33,7 +33,7 @@
-type atom_tab() :: #{atom() => index()}.
-type import_tab() :: gb_trees:tree(mfa(), index()).
--type fname_tab() :: gb_trees:tree(Name :: term(), index()).
+-type fname_tab() :: #{Name :: term() => index()}.
-type line_tab() :: #{{Fname :: index(), Line :: term()} => index()}.
-type literal_tab() :: dict:dict(Literal :: term(), index()).
@@ -45,7 +45,7 @@
strings = <<>> :: binary(), %String pool
lambdas = [], %[{...}]
literals = dict:new() :: literal_tab(),
- fnames = gb_trees:empty() :: fname_tab(),
+ fnames = #{} :: fname_tab(),
lines = #{} :: line_tab(),
num_lines = 0 :: non_neg_integer(), %Number of line instructions
next_import = 0 :: non_neg_integer(),
@@ -185,14 +185,12 @@ line([{location,Name,Line}], #asm{lines=Lines,num_lines=N}=Dict0) ->
{Index, Dict1#asm{lines=Lines#{Key=>Index},num_lines=N+1}}
end.
-fname(Name, #asm{fnames=Fnames0}=Dict) ->
- case gb_trees:lookup(Name, Fnames0) of
- {value,Index} ->
- {Index,Dict};
- none ->
- Index = gb_trees:size(Fnames0),
- Fnames = gb_trees:insert(Name, Index, Fnames0),
- {Index,Dict#asm{fnames=Fnames}}
+fname(Name, #asm{fnames=Fnames}=Dict) ->
+ case Fnames of
+ #{Name := Index} -> {Index,Dict};
+ _ ->
+ Index = maps:size(Fnames),
+ {Index,Dict#asm{fnames=Fnames#{Name=>Index}}}
end.
%% Returns the atom table.
@@ -267,8 +265,8 @@ my_term_to_binary(Term) ->
non_neg_integer(),[{non_neg_integer(),non_neg_integer()}]}.
line_table(#asm{fnames=Fnames0,lines=Lines0,num_lines=NumLineInstrs}) ->
- NumFnames = gb_trees:size(Fnames0),
- Fnames1 = lists:keysort(2, gb_trees:to_list(Fnames0)),
+ NumFnames = maps:size(Fnames0),
+ Fnames1 = lists:keysort(2, maps:to_list(Fnames0)),
Fnames = [Name || {Name,_} <- Fnames1],
NumLines = maps:size(Lines0),
Lines1 = lists:keysort(2, maps:to_list(Lines0)),