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-rw-r--r--lib/compiler/src/sys_core_fold.erl52
1 files changed, 42 insertions, 10 deletions
diff --git a/lib/compiler/src/sys_core_fold.erl b/lib/compiler/src/sys_core_fold.erl
index 8649ba8f01..a09d80ac3f 100644
--- a/lib/compiler/src/sys_core_fold.erl
+++ b/lib/compiler/src/sys_core_fold.erl
@@ -686,7 +686,10 @@ call_1(#c_call{anno=Anno}, lists, all, [Arg1,Arg2], Sub) ->
C1 = #c_clause{pats=[#c_cons{hd=X, tl=Xs}], guard=#c_literal{val=true},
body=#c_case{arg=#c_apply{anno=Anno, op=F, args=[X]},
clauses = [CC1, CC2, CC3]}},
- C2 = #c_clause{pats=[#c_literal{val=[]}], guard=#c_literal{val=true},
+ C2 = #c_clause{pats=[#c_literal{val=[]}],
+ guard=#c_call{module=#c_literal{val=erlang},
+ name=#c_literal{val=is_function},
+ args=[F, #c_literal{val=1}]},
body=#c_literal{val=true}},
Err2 = #c_tuple{es=[#c_literal{val='function_clause'}, Xs]},
C3 = #c_clause{pats=[Xs], guard=#c_literal{val=true},
@@ -713,7 +716,10 @@ call_1(#c_call{anno=Anno}, lists, any, [Arg1,Arg2], Sub) ->
C1 = #c_clause{pats=[#c_cons{hd=X, tl=Xs}], guard=#c_literal{val=true},
body=#c_case{arg=#c_apply{anno=Anno, op=F, args=[X]},
clauses = [CC1, CC2, CC3]}},
- C2 = #c_clause{pats=[#c_literal{val=[]}], guard=#c_literal{val=true},
+ C2 = #c_clause{pats=[#c_literal{val=[]}],
+ guard=#c_call{module=#c_literal{val=erlang},
+ name=#c_literal{val=is_function},
+ args=[F, #c_literal{val=1}]},
body=#c_literal{val=false}},
Err2 = #c_tuple{es=[#c_literal{val='function_clause'}, Xs]},
C3 = #c_clause{pats=[Xs], guard=#c_literal{val=true},
@@ -733,7 +739,10 @@ call_1(#c_call{anno=Anno}, lists, foreach, [Arg1,Arg2], Sub) ->
C1 = #c_clause{pats=[#c_cons{hd=X, tl=Xs}], guard=#c_literal{val=true},
body=#c_seq{arg=#c_apply{anno=Anno, op=F, args=[X]},
body=#c_apply{anno=Anno, op=Loop, args=[Xs]}}},
- C2 = #c_clause{pats=[#c_literal{val=[]}], guard=#c_literal{val=true},
+ C2 = #c_clause{pats=[#c_literal{val=[]}],
+ guard=#c_call{module=#c_literal{val=erlang},
+ name=#c_literal{val=is_function},
+ args=[F, #c_literal{val=1}]},
body=#c_literal{val=ok}},
Err = #c_tuple{es=[#c_literal{val='function_clause'}, Xs]},
C3 = #c_clause{pats=[Xs], guard=#c_literal{val=true},
@@ -760,7 +769,10 @@ call_1(#c_call{anno=Anno}, lists, map, [Arg1,Arg2], Sub) ->
tl=#c_apply{anno=Anno,
op=Loop,
args=[Xs]}}}},
- C2 = #c_clause{pats=[#c_literal{val=[]}], guard=#c_literal{val=true},
+ C2 = #c_clause{pats=[#c_literal{val=[]}],
+ guard=#c_call{module=#c_literal{val=erlang},
+ name=#c_literal{val=is_function},
+ args=[F, #c_literal{val=1}]},
body=#c_literal{val=[]}},
Err = #c_tuple{es=[#c_literal{val='function_clause'}, Xs]},
C3 = #c_clause{pats=[Xs], guard=#c_literal{val=true},
@@ -788,7 +800,10 @@ call_1(#c_call{anno=Anno}, lists, flatmap, [Arg1,Arg2], Sub) ->
#c_apply{anno=Anno,
op=Loop,
args=[Xs]}]}}},
- C2 = #c_clause{pats=[#c_literal{val=[]}], guard=#c_literal{val=true},
+ C2 = #c_clause{pats=[#c_literal{val=[]}],
+ guard=#c_call{module=#c_literal{val=erlang},
+ name=#c_literal{val=is_function},
+ args=[F, #c_literal{val=1}]},
body=#c_literal{val=[]}},
Err = #c_tuple{es=[#c_literal{val='function_clause'}, Xs]},
C3 = #c_clause{pats=[Xs], guard=#c_literal{val=true},
@@ -822,7 +837,10 @@ call_1(#c_call{anno=Anno}, lists, filter, [Arg1,Arg2], Sub) ->
op=Loop,
args=[Xs]},
body=Case}}},
- C2 = #c_clause{pats=[#c_literal{val=[]}], guard=#c_literal{val=true},
+ C2 = #c_clause{pats=[#c_literal{val=[]}],
+ guard=#c_call{module=#c_literal{val=erlang},
+ name=#c_literal{val=is_function},
+ args=[F, #c_literal{val=1}]},
body=#c_literal{val=[]}},
Err2 = #c_tuple{es=[#c_literal{val='function_clause'}, Xs]},
C3 = #c_clause{pats=[Xs], guard=#c_literal{val=true},
@@ -846,7 +864,11 @@ call_1(#c_call{anno=Anno}, lists, foldl, [Arg1,Arg2,Arg3], Sub) ->
args=[Xs, #c_apply{anno=Anno,
op=F,
args=[X, A]}]}},
- C2 = #c_clause{pats=[#c_literal{val=[]}], guard=#c_literal{val=true}, body=A},
+ C2 = #c_clause{pats=[#c_literal{val=[]}],
+ guard=#c_call{module=#c_literal{val=erlang},
+ name=#c_literal{val=is_function},
+ args=[F, #c_literal{val=2}]},
+ body=A},
Err = #c_tuple{es=[#c_literal{val='function_clause'}, Xs]},
C3 = #c_clause{pats=[Xs], guard=#c_literal{val=true},
body=match_fail([{function_name,{'lists^foldl',2}}|Anno], Err)},
@@ -869,7 +891,11 @@ call_1(#c_call{anno=Anno}, lists, foldr, [Arg1,Arg2,Arg3], Sub) ->
args=[X, #c_apply{anno=Anno,
op=Loop,
args=[Xs, A]}]}},
- C2 = #c_clause{pats=[#c_literal{val=[]}], guard=#c_literal{val=true}, body=A},
+ C2 = #c_clause{pats=[#c_literal{val=[]}],
+ guard=#c_call{module=#c_literal{val=erlang},
+ name=#c_literal{val=is_function},
+ args=[F, #c_literal{val=2}]},
+ body=A},
Err = #c_tuple{es=[#c_literal{val='function_clause'}, Xs]},
C3 = #c_clause{pats=[Xs], guard=#c_literal{val=true},
body=match_fail([{function_name,{'lists^foldr',2}}|Anno], Err)},
@@ -914,7 +940,10 @@ call_1(#c_call{anno=Anno}, lists, mapfoldl, [Arg1,Arg2,Arg3], Sub) ->
%%% body=#c_values{es=[#c_cons{hd=X, tl=Xs},
%%% A]}}
)},
- C2 = #c_clause{pats=[#c_literal{val=[]}], guard=#c_literal{val=true},
+ C2 = #c_clause{pats=[#c_literal{val=[]}],
+ guard=#c_call{module=#c_literal{val=erlang},
+ name=#c_literal{val=is_function},
+ args=[F, #c_literal{val=2}]},
%%% Tuple passing version
body=#c_tuple{anno=[compiler_generated],
es=[#c_literal{val=[]}, Avar]}},
@@ -972,7 +1001,10 @@ call_1(#c_call{anno=Anno}, lists, mapfoldr, [Arg1,Arg2,Arg3], Sub) ->
%%% #c_values{es=[#c_cons{hd=X, tl=Xs},
%%% A]})}
},
- C2 = #c_clause{pats=[#c_literal{val=[]}], guard=#c_literal{val=true},
+ C2 = #c_clause{pats=[#c_literal{val=[]}],
+ guard=#c_call{module=#c_literal{val=erlang},
+ name=#c_literal{val=is_function},
+ args=[F, #c_literal{val=2}]},
%%% Tuple passing version
body=#c_tuple{anno=[compiler_generated],
es=[#c_literal{val=[]}, Avar]}},