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%% -*- Mode: erlang; indent-tabs-mode: nil -*-
%% Copyright Ericsson AB 2017. All Rights Reserved.
%%% Try and catch indentation is hard
%%% 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
try_catch() ->
try
io:format(stdout, "Parsing file ~s, ",
[St0#leex.xfile]),
{ok,Line3,REAs,Actions,St3} =
parse_rules(Xfile, Line2, Macs, St2)
catch
exit:{badarg,R} ->
foo(R),
io:format(stdout,
"ERROR reason ~p~n",
R);
error:R
when R =:= 42 -> % when should be indented
foo(R);
error:R
when % when should be indented
R =:= 42 -> % but unsure about this (maybe 2 more)
foo(R);
error:R when
R =:= foo -> % line should be 2 indented (works)
foo(R);
error:R ->
foo(R),
io:format(stdout,
"ERROR reason ~p~n",
R)
after
foo('after'),
file:close(Xfile)
end;
try_catch() ->
try
foo(bar)
of
X when true andalso
kalle ->
io:format(stdout, "Parsing file ~s, ",
[St0#leex.xfile]),
{ok,Line3,REAs,Actions,St3} =
parse_rules(Xfile, Line2, Macs, St2);
X
when false andalso % when should be 2 indented
bengt ->
gurka();
X when
false andalso % line should be 2 indented
not bengt ->
gurka();
X ->
io:format(stdout, "Parsing file ~s, ",
[St0#leex.xfile]),
{ok,Line3,REAs,Actions,St3} =
parse_rules(Xfile, Line2, Macs, St2)
catch
exit:{badarg,R} ->
foo(R),
io:format(stdout,
"ERROR reason ~p~n",
R);
error:R ->
foo(R),
io:format(stdout,
"ERROR reason ~p~n",
R)
after
foo('after'),
file:close(Xfile),
bar(with_long_arg,
with_second_arg)
end;
try_catch() ->
try foo()
after
foo(),
bar(with_long_arg,
with_second_arg)
end.
indent_catch() ->
D = B +
float(43.1),
B = catch oskar(X),
A = catch (baz +
bax),
catch foo(),
C = catch B +
float(43.1),
case catch foo(X) of
A ->
B
end,
case
catch foo(X)
of
A ->
B
end,
case
foo(X)
of
A ->
catch B,
X
end,
try sune of
_ -> foo
catch _:_ -> baf
end,
Variable = try
sune
of
_ ->
X = 5,
(catch foo(X)),
X + 10
catch _:_ -> baf
after cleanup()
end,
try
(catch sune)
of
_ ->
foo1(),
catch foo() %% BUGBUG can't handle catch inside try without parentheses
catch _:_ ->
baf
end,
try
(catch exit())
catch
_ ->
catch baf()
end,
ok.
%% this used to result in 2x the correct indentation within the function
%% body, due to the function name being mistaken for a keyword
catcher(N) ->
try generate_exception(N) of
Val -> {N, normal, Val}
catch
throw:X -> {N, caught, thrown, X};
exit:X -> {N, caught, exited, X};
error:X -> {N, caught, error, X}
end.
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