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-rw-r--r--lib/compiler/src/cerl.erl47
1 files changed, 29 insertions, 18 deletions
diff --git a/lib/compiler/src/cerl.erl b/lib/compiler/src/cerl.erl
index e7a2b8177a..61abae344c 100644
--- a/lib/compiler/src/cerl.erl
+++ b/lib/compiler/src/cerl.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2001-2010. All Rights Reserved.
+%% Copyright Ericsson AB 2001-2016. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -126,6 +126,7 @@
%% keep map exports here for now
c_map_pattern/1,
is_c_map/1,
+ is_c_map_pattern/1,
map_es/1,
map_arg/1,
update_c_map/3,
@@ -134,7 +135,7 @@
ann_c_map_pattern/2,
map_pair_op/1,map_pair_key/1,map_pair_val/1,
update_c_map_pair/4,
- c_map_pair/2,
+ c_map_pair/2, c_map_pair_exact/2,
ann_c_map_pair/4
]).
@@ -1636,6 +1637,11 @@ is_c_map_empty(#c_map{ es=[] }) -> true;
is_c_map_empty(#c_literal{val=M}) when is_map(M),map_size(M) =:= 0 -> true;
is_c_map_empty(_) -> false.
+-spec is_c_map_pattern(c_map()) -> boolean().
+
+is_c_map_pattern(#c_map{is_pat=IsPat}) ->
+ IsPat.
+
-spec ann_c_map([term()], [c_map_pair()]) -> c_map() | c_literal().
ann_c_map(As, Es) ->
@@ -1688,6 +1694,11 @@ map_pair_op(#c_map_pair{op=Op}) -> Op.
c_map_pair(Key,Val) ->
#c_map_pair{op=#c_literal{val=assoc},key=Key,val=Val}.
+-spec c_map_pair_exact(cerl(), cerl()) -> c_map_pair().
+
+c_map_pair_exact(Key,Val) ->
+ #c_map_pair{op=#c_literal{val=exact},key=Key,val=Val}.
+
-spec ann_c_map_pair([term()], cerl(), cerl(), cerl()) ->
c_map_pair().
@@ -1944,7 +1955,7 @@ is_c_var(_) ->
false.
-%% @spec c_fname(Name::atom(), Arity::integer()) -> cerl()
+%% @spec c_fname(Name::atom(), Arity::arity()) -> cerl()
%% @equiv c_var({Name, Arity})
%% @see fname_id/1
%% @see fname_arity/1
@@ -1952,18 +1963,18 @@ is_c_var(_) ->
%% @see ann_c_fname/3
%% @see update_c_fname/3
--spec c_fname(atom(), non_neg_integer()) -> c_var().
+-spec c_fname(atom(), arity()) -> c_var().
c_fname(Atom, Arity) ->
c_var({Atom, Arity}).
-%% @spec ann_c_fname(As::[term()], Name::atom(), Arity::integer()) ->
+%% @spec ann_c_fname(As::[term()], Name::atom(), Arity::arity()) ->
%% cerl()
%% @equiv ann_c_var(As, {Atom, Arity})
%% @see c_fname/2
--spec ann_c_fname([term()], atom(), non_neg_integer()) -> c_var().
+-spec ann_c_fname([term()], atom(), arity()) -> c_var().
ann_c_fname(As, Atom, Arity) ->
ann_c_var(As, {Atom, Arity}).
@@ -1981,13 +1992,13 @@ update_c_fname(#c_var{name = {_, Arity}, anno = As}, Atom) ->
#c_var{name = {Atom, Arity}, anno = As}.
-%% @spec update_c_fname(Old::cerl(), Name::atom(), Arity::integer()) ->
+%% @spec update_c_fname(Old::cerl(), Name::atom(), Arity::arity()) ->
%% cerl()
%% @equiv update_c_var(Old, {Atom, Arity})
%% @see update_c_fname/2
%% @see c_fname/2
--spec update_c_fname(c_var(), atom(), integer()) -> c_var().
+-spec update_c_fname(c_var(), atom(), arity()) -> c_var().
update_c_fname(Node, Atom, Arity) ->
update_c_var(Node, {Atom, Arity}).
@@ -2036,14 +2047,14 @@ fname_id(#c_var{name={A,_}}) ->
A.
-%% @spec fname_arity(cerl()) -> byte()
+%% @spec fname_arity(cerl()) -> arity()
%%
%% @doc Returns the arity part of an abstract function name variable.
%%
%% @see fname_id/1
%% @see c_fname/2
--spec fname_arity(c_var()) -> byte().
+-spec fname_arity(c_var()) -> arity().
fname_arity(#c_var{name={_,N}}) ->
N.
@@ -2489,7 +2500,7 @@ fun_body(Node) ->
Node#c_fun.body.
-%% @spec fun_arity(Node::cerl()) -> integer()
+%% @spec fun_arity(Node::cerl()) -> arity()
%%
%% @doc Returns the number of parameter subtrees of an abstract
%% fun-expression.
@@ -2500,7 +2511,7 @@ fun_body(Node) ->
%% @see c_fun/2
%% @see fun_vars/1
--spec fun_arity(c_fun()) -> non_neg_integer().
+-spec fun_arity(c_fun()) -> arity().
fun_arity(Node) ->
length(fun_vars(Node)).
@@ -3407,7 +3418,7 @@ apply_args(Node) ->
Node#c_apply.args.
-%% @spec apply_arity(Node::cerl()) -> integer()
+%% @spec apply_arity(Node::cerl()) -> arity()
%%
%% @doc Returns the number of argument subtrees of an abstract
%% function application.
@@ -3419,7 +3430,7 @@ apply_args(Node) ->
%% @see c_apply/2
%% @see apply_args/1
--spec apply_arity(c_apply()) -> non_neg_integer().
+-spec apply_arity(c_apply()) -> arity().
apply_arity(Node) ->
length(apply_args(Node)).
@@ -3525,7 +3536,7 @@ call_args(Node) ->
Node#c_call.args.
-%% @spec call_arity(Node::cerl()) -> integer()
+%% @spec call_arity(Node::cerl()) -> arity()
%%
%% @doc Returns the number of argument subtrees of an abstract
%% inter-module call.
@@ -3537,7 +3548,7 @@ call_args(Node) ->
%% @see c_call/3
%% @see call_args/1
--spec call_arity(c_call()) -> non_neg_integer().
+-spec call_arity(c_call()) -> arity().
call_arity(Node) ->
length(call_args(Node)).
@@ -3629,7 +3640,7 @@ primop_args(Node) ->
Node#c_primop.args.
-%% @spec primop_arity(Node::cerl()) -> integer()
+%% @spec primop_arity(Node::cerl()) -> arity()
%%
%% @doc Returns the number of argument subtrees of an abstract
%% primitive operation call.
@@ -3641,7 +3652,7 @@ primop_args(Node) ->
%% @see c_primop/2
%% @see primop_args/1
--spec primop_arity(c_primop()) -> non_neg_integer().
+-spec primop_arity(c_primop()) -> arity().
primop_arity(Node) ->
length(primop_args(Node)).