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authorMagnus Lång <[email protected]>2016-02-28 00:35:55 +0100
committerHans Bolinder <[email protected]>2016-04-28 16:16:10 +0200
commit01916bad570fea8f13c2fdc8499a6cd5bdb8523f (patch)
treedc4a300c7a6c0823d3bb25816683e179cc579844 /lib/dialyzer
parent67c7fd3c516b08d3d8814debca0db2a295e0c0b8 (diff)
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dialyzer: Improve map pattern typesetting
Diffstat (limited to 'lib/dialyzer')
-rw-r--r--lib/dialyzer/src/dialyzer_utils.erl31
-rw-r--r--lib/dialyzer/test/map_SUITE_data/results/map_galore8
-rw-r--r--lib/dialyzer/test/map_SUITE_data/results/maps_merge8
-rw-r--r--lib/dialyzer/test/map_SUITE_data/results/typeflow218
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/maps12
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/maps_difftype2
6 files changed, 50 insertions, 19 deletions
diff --git a/lib/dialyzer/src/dialyzer_utils.erl b/lib/dialyzer/src/dialyzer_utils.erl
index b3505f5197..721c2c000a 100644
--- a/lib/dialyzer/src/dialyzer_utils.erl
+++ b/lib/dialyzer/src/dialyzer_utils.erl
@@ -753,6 +753,13 @@ pp_hook(Node, Ctxt, Cont) ->
pp_binary(Node, Ctxt, Cont);
bitstr ->
pp_segment(Node, Ctxt, Cont);
+ map ->
+ pp_map(Node, Ctxt, Cont);
+ literal ->
+ case is_map(cerl:concrete(Node)) of
+ true -> pp_map(Node, Ctxt, Cont);
+ false -> Cont(Node, Ctxt)
+ end;
_ ->
Cont(Node, Ctxt)
end.
@@ -833,6 +840,30 @@ pp_atom(Atom) ->
String = atom_to_list(cerl:atom_val(Atom)),
prettypr:text(String).
+pp_map(Node, Ctxt, Cont) ->
+ Arg = cerl:map_arg(Node),
+ Before = case cerl:is_c_map_empty(Arg) of
+ true -> prettypr:floating(prettypr:text("#{"));
+ false ->
+ prettypr:beside(Cont(Arg,Ctxt),
+ prettypr:floating(prettypr:text("#{")))
+ end,
+ prettypr:beside(
+ Before, prettypr:beside(
+ prettypr:par(seq(cerl:map_es(Node),
+ prettypr:floating(prettypr:text(",")),
+ Ctxt, Cont)),
+ prettypr:floating(prettypr:text("}")))).
+
+seq([H | T], Separator, Ctxt, Fun) ->
+ case T of
+ [] -> [Fun(H, Ctxt)];
+ _ -> [prettypr:beside(Fun(H, Ctxt), Separator)
+ | seq(T, Separator, Ctxt, Fun)]
+ end;
+seq([], _, _, _) ->
+ [prettypr:empty()].
+
%%------------------------------------------------------------------------------
-spec refold_pattern(cerl:cerl()) -> cerl:cerl().
diff --git a/lib/dialyzer/test/map_SUITE_data/results/map_galore b/lib/dialyzer/test/map_SUITE_data/results/map_galore
index 721b417bb3..6ea88f01f8 100644
--- a/lib/dialyzer/test/map_SUITE_data/results/map_galore
+++ b/lib/dialyzer/test/map_SUITE_data/results/map_galore
@@ -16,10 +16,10 @@ map_galore.erl:1498: The test #{'a':=1, 'b':=1} =:= #{'a':=1, 'b':=3} can never
map_galore.erl:1762: The call maps:get({1, 1},#{{1,float()}=>[101 | 108 | 112 | 116 | 117,...]}) will never return since the success typing arguments are (any(),map())
map_galore.erl:1763: The call maps:get('a',#{}) will never return since the success typing arguments are (any(),map())
map_galore.erl:1765: The call maps:get('a',#{'b':=1, 'c':=2}) will never return since the success typing arguments are (any(),map())
-map_galore.erl:186: The pattern ~{'x':=2}~ can never match the type #{'x':=3}
-map_galore.erl:187: The pattern ~{'x':=3}~ can never match the type {'a','b','c'}
-map_galore.erl:188: The pattern ~{'x':=3}~ can never match the type #{'y':=3}
-map_galore.erl:189: The pattern ~{'x':=3}~ can never match the type #{'x':=[101 | 104 | 114 | 116,...]}
+map_galore.erl:186: The pattern #{'x':=2} can never match the type #{'x':=3}
+map_galore.erl:187: The pattern #{'x':=3} can never match the type {'a','b','c'}
+map_galore.erl:188: The pattern #{'x':=3} can never match the type #{'y':=3}
+map_galore.erl:189: The pattern #{'x':=3} can never match the type #{'x':=[101 | 104 | 114 | 116,...]}
map_galore.erl:2304: Cons will produce an improper list since its 2nd argument is {'b','a'}
map_galore.erl:2304: The call maps:from_list(nonempty_improper_list({'a','b'},{'b','a'})) will never return since it differs in the 1st argument from the success typing arguments: ([{_,_}])
map_galore.erl:2305: The call maps:from_list('a') will never return since it differs in the 1st argument from the success typing arguments: ([{_,_}])
diff --git a/lib/dialyzer/test/map_SUITE_data/results/maps_merge b/lib/dialyzer/test/map_SUITE_data/results/maps_merge
index 696f6e19d2..0c347b4cdb 100644
--- a/lib/dialyzer/test/map_SUITE_data/results/maps_merge
+++ b/lib/dialyzer/test/map_SUITE_data/results/maps_merge
@@ -1,11 +1,11 @@
maps_merge.erl:10: The pattern #{_:=_} can never match the type #{'a':=1, 3:='ok', 'q'=>none(), 7=>none(), atom() | integer()=>_}
maps_merge.erl:12: Function t3/0 has no local return
-maps_merge.erl:14: The pattern ~{7:='q'}~ can never match the type #{'a':=1, 3:='ok', 'q'=>none(), 7=>none(), atom() | integer()=>_}
+maps_merge.erl:14: The pattern #{7:='q'} can never match the type #{'a':=1, 3:='ok', 'q'=>none(), 7=>none(), atom() | integer()=>_}
maps_merge.erl:16: Function t4/0 has no local return
-maps_merge.erl:18: The pattern ~{7:='q'}~ can never match the type #{'a':=1, 3:='ok', 'q'=>none(), 7=>none(), atom() | integer()=>_}
+maps_merge.erl:18: The pattern #{7:='q'} can never match the type #{'a':=1, 3:='ok', 'q'=>none(), 7=>none(), atom() | integer()=>_}
maps_merge.erl:20: Function t5/0 has no local return
-maps_merge.erl:21: The pattern ~{'a':=2}~ can never match the type #{'a':=1, 'q'=>none(), 11=>_, atom()=>_}
+maps_merge.erl:21: The pattern #{'a':=2} can never match the type #{'a':=1, 'q'=>none(), 11=>_, atom()=>_}
maps_merge.erl:5: Function t1/0 has no local return
-maps_merge.erl:6: The pattern ~{'a':=1}~ can never match the type #{}
+maps_merge.erl:6: The pattern #{'a':=1} can never match the type #{}
maps_merge.erl:8: Function t2/0 has no local return
diff --git a/lib/dialyzer/test/map_SUITE_data/results/typeflow2 b/lib/dialyzer/test/map_SUITE_data/results/typeflow2
index 3bce165275..3adf638978 100644
--- a/lib/dialyzer/test/map_SUITE_data/results/typeflow2
+++ b/lib/dialyzer/test/map_SUITE_data/results/typeflow2
@@ -1,13 +1,13 @@
-typeflow2.erl:10: The pattern ~{'a':=X}~ can never match the type #{'a'=>none(), _=>maybe_improper_list() | integer()}
-typeflow2.erl:11: The pattern ~{'a':=X}~ can never match the type #{'a'=>none(), _=>maybe_improper_list() | integer()}
+typeflow2.erl:10: The pattern #{'a':=X} can never match the type #{'a'=>none(), _=>maybe_improper_list() | integer()}
+typeflow2.erl:11: The pattern #{'a':=X} can never match the type #{'a'=>none(), _=>maybe_improper_list() | integer()}
typeflow2.erl:26: Function t2/1 has no local return
typeflow2.erl:29: The call lists:sort(integer()) will never return since it differs in the 1st argument from the success typing arguments: ([any()])
-typeflow2.erl:42: The pattern ~{'a':=X}~ can never match since previous clauses completely covered the type #{'a':=integer()}
+typeflow2.erl:42: The pattern #{'a':=X} can never match since previous clauses completely covered the type #{'a':=integer()}
typeflow2.erl:43: The variable _ can never match since previous clauses completely covered the type #{'a':=integer()}
-typeflow2.erl:48: The pattern ~{}~ can never match since previous clauses completely covered the type #{'a':=atom() | maybe_improper_list() | integer()}
-typeflow2.erl:58: The pattern ~{'a':=X}~ can never match the type #{'a'=>none(), _=>maybe_improper_list() | integer()}
-typeflow2.erl:59: The pattern ~{'a':=X}~ can never match the type #{'a'=>none(), _=>maybe_improper_list() | integer()}
-typeflow2.erl:60: The pattern ~{'a':=X}~ can never match the type #{'a'=>none(), _=>maybe_improper_list() | integer()}
-typeflow2.erl:82: The pattern ~{'a':=X}~ can never match the type #{}
-typeflow2.erl:83: The pattern ~{'a':=X}~ can never match the type #{}
+typeflow2.erl:48: The pattern #{} can never match since previous clauses completely covered the type #{'a':=atom() | maybe_improper_list() | integer()}
+typeflow2.erl:58: The pattern #{'a':=X} can never match the type #{'a'=>none(), _=>maybe_improper_list() | integer()}
+typeflow2.erl:59: The pattern #{'a':=X} can never match the type #{'a'=>none(), _=>maybe_improper_list() | integer()}
+typeflow2.erl:60: The pattern #{'a':=X} can never match the type #{'a'=>none(), _=>maybe_improper_list() | integer()}
+typeflow2.erl:82: The pattern #{'a':=X} can never match the type #{}
+typeflow2.erl:83: The pattern #{'a':=X} can never match the type #{}
diff --git a/lib/dialyzer/test/small_SUITE_data/results/maps1 b/lib/dialyzer/test/small_SUITE_data/results/maps1
index ec8748b7b8..a178e96b20 100644
--- a/lib/dialyzer/test/small_SUITE_data/results/maps1
+++ b/lib/dialyzer/test/small_SUITE_data/results/maps1
@@ -1,4 +1,4 @@
maps1.erl:43: Function t3/0 has no local return
-maps1.erl:44: The call maps1:foo(~{'greger'=>3, ~{'arne'=>'anka'}~=>45}~,1) will never return since it differs in the 1st and 2nd argument from the success typing arguments: (#{'beta':=_, ...},'b')
+maps1.erl:44: The call maps1:foo(#{'greger'=>3, #{'arne'=>'anka'}=>45},1) will never return since it differs in the 1st and 2nd argument from the success typing arguments: (#{'beta':=_, ...},'b')
maps1.erl:52: The variable Mod can never match since previous clauses completely covered the type #{}
diff --git a/lib/dialyzer/test/small_SUITE_data/results/maps_difftype b/lib/dialyzer/test/small_SUITE_data/results/maps_difftype
index 8980321135..3018b888db 100644
--- a/lib/dialyzer/test/small_SUITE_data/results/maps_difftype
+++ b/lib/dialyzer/test/small_SUITE_data/results/maps_difftype
@@ -1,3 +1,3 @@
maps_difftype.erl:10: Function empty_mismatch/1 has no local return
-maps_difftype.erl:11: The pattern ~{}~ can never match the type tuple()
+maps_difftype.erl:11: The pattern #{} can never match the type tuple()