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|
%% -*- Mode: erlang; indent-tabs-mode: nil -*-
%% Copyright Ericsson AB 2017. All Rights Reserved.
%%% indentation of if case receive statements
%%% Not everything in these test are set in stone
%%% better indentation rules can be added but by having
%%% these tests we can see what changes in new implementations
%%% and notice when doing unintentional changes
indent_if(1, Z) ->
%% If
if Z >= 0 ->
X = 43 div Z,
X;
Z =< 10 ->
X = 43 div Z,
X;
Z == 5 orelse
Z == 7 ->
X = 43 div Z,
X;
is_number(Z),
Z < 32 ->
Z;
is_number(Z);
Z < 32 ->
Z * 32;
true ->
if_works
end;
indent_if(2, Z) ->
%% If
if
Z >= 0 ->
X = 43 div Z,
X
; Z =< 10 ->
43 div Z
; Z == 5 orelse
Z == 7 ->
X = 43 div Z,
X
; is_number(Z),
Z < 32 ->
Z
; true ->
if_works
end.
indent_case(1, Z) ->
%% Case
case {Z, foo, bar} of
{Z,_,_} ->
X = 43 div 4,
foo(X);
{Z,_,_} when
Z =:= 42 -> % line should be indented as a when
X = 43 div 4,
foo(X);
{Z,_,_}
when Z < 10 orelse
Z =:= foo -> % Binary op alignment here !!!
X = 43 div 4,
Bool = Z < 5 orelse % Binary op args align differently after when
Z =:= foo, % and elsewhere ???
foo(X);
{Z,_,_}
when % when should be indented
Z < 10 % and the guards should follow when
andalso % unsure about how though
true ->
X = 43 div 4,
foo(X)
end;
indent_case(2, Z) ->
%% Case
case {Z, foo, bar} of
{Z,_,_} ->
X = 43 div 4,
foo(X)
; {Z,_,_} when
Z =:= 42 -> % line should be indented as a when
X = 43 div 4,
foo(X)
; {Z,_,_}
when Z < 10 -> % when should be indented
X = 43 div 4,
foo(X)
; {Z,_,_}
when % when should be indented
Z < 10 % and the guards should follow when
andalso % unsure about how though
true ->
X = 43 div 4,
foo(X)
end.
indent_begin(Z) ->
%% Begin
begin
sune,
Z = 74234 +
foo(8456) +
345 div 43,
Foo = begin
ok,
foo(234),
begin
io:format("Down here\n")
end
end,
{Foo,
bar}
end.
indent_receive(1) ->
%% receive
receive
{Z,_,_} ->
X = 43 div 4,
foo(X)
; Z ->
X = 43 div 4,
foo(X)
end,
ok;
indent_receive(2) ->
receive
{Z,_,_} ->
X = 43 div 4,
foo(X);
Z % added clause
when Z =:= 1 -> % This line should be indented by 2
X = 43 div 4,
foo(X);
Z when % added clause
Z =:= 2 -> % This line should be indented by 2
X = 43 div 4,
foo(X);
Z ->
X = 43 div 4,
foo(X)
after infinity ->
foo(X),
asd(X),
5*43
end,
ok;
indent_receive() ->
receive
after 10 ->
foo(X),
asd(X),
5*43
end,
ok.
indent_maybe(1) ->
begin
maybe_should_be_indented_as_begin,
end,
maybe
1 = foo(X),
2 ?= asd(X),
line_with_break =
foo(X+1),
line_with_break ?=
foo(X+1)
end,
ok;
indent_maybe(1) ->
maybe
2 ?= foo(X),
3 ?= bar(Y)
else
%% else indented as a standard icr (if-case-receive)
{error, Z} when Z == 1 ->
error1;
{error, Z}
when Z == 2 ->
error2
end;
indent_maybe(3) ->
maybe
2 ?= foo(x),
maybe
nested ?= foo(y)
else
error ->
ok
end
else
error -> ok
end.
|
