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* richcarl/eunit/debug-val-depth/PR-1061/OTP-13612:
Replace suggested debugValAll/1 macro with debugVal/2
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By first adding a call to error/1 to each uncovered line,
QuickCheck could find test cases that would cover the lines.
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Make sure we don't optimize code such as:
is_tuple Fail Src
test_arity Fail Src Arity
get_tuple_element Src Pos Dst
is_map Fail Src
If we would reorder the instructions like this:
is_tuple Fail Src
test_arity Fail Src Arity
is_map Fail Src
get_tuple_element Src Pos Dst
beam_validator would complain that the type for Src is a map
instead of a tuple. Since the code has problems to begin with,
there is no need to do the optimization.
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When calculating the sets of registers that must be killed or
unused, registers set in a {protected,_,_,_} block were not
considered. That could result in a crash in the
assertion in beam_utils:live_opt_block/4.
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a3ec2644f5 attempted to teach v3_core not to generate code with
unbound variables. The approach taken in that commit is to
discard all expressions following a badmatch. That does not
work if the badmatch is nested:
{[V] = [] = foo,V},
V
That would be rewritten to:
{error({badmatch,foo})},
V
where V is unbound.
If we were to follow the same approach, the tuple construction
code would have to look out for a badmatch. As would list construction,
begin...end, and so on.
Therefore, as it is impractical to discard all expressions that
follow a badmatch, the only other solution is to ensure that the
variables that the pattern binds will somehow be bound. That can
be arranged by rewriting the pattern to a pattern that binds the
same variables. Thus:
error({badmatch,foo}),
E = foo,
case E of
{[V],[]} ->
V;
Other ->
error({badmatch,Other}
end
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The following code:
simple() ->
case try 0 after [] end of
0 -> college;
1 -> 0
end.
would crash the compiler like this:
crash reason: {case_clause,
{'EXIT',
{function_clause,
[{beam_type,simplify_select_val_int,
[{select,select_val,
{x,0},
{f,7},
[{integer,1},{f,9},{integer,0},{f,8}]},
0],
[{file,"beam_type.erl"},{line,169}]},
{beam_type,simplify_basic_1,3,
[{file,"beam_type.erl"},{line,155}]},
{beam_type,opt,3,[{file,"beam_type.erl"},{line,57}]},
{beam_type,function,1,[{file,"beam_type.erl"},{line,36}]},
{beam_type,'-module/2-lc$^0/1-0-',1,
[{file,"beam_type.erl"},{line,30}]},
{beam_type,module,2,[{file,"beam_type.erl"},{line,30}]},
{compile,'-select_passes/2-anonymous-2-',2,
[{file,"compile.erl"},{line,521}]},
{compile,'-internal_comp/4-anonymous-1-',2,
[{file,"compile.erl"},{line,306}]}]}}}
The root cause is that the type representation is not well-defined.
Integers could be represented in three different ways:
integer
{integer,{1,10}}
{integer,0}
However, only the first two forms were handled.
To avoid similar problems in the future:
* Make the type representation stricter. Make sure that integers are
only represented as 'integer' or {integer,{Min,Max}}.
* Call verify_type/1 whenever a new type is added (not only when
merging types) to ensure that only the supported types are added
to the type database).
(ERL-150)
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This makes the implementation text of inet:gethostbyname/1 identical to
that of inet_res:gethostbyname/1. I also copied over the doc note about
this resolver option.
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Those clause are obsolete and never used by common_test.
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During check process code, explicitly copy all referenced literals
in a message (in the private queue) to a heap fragment and attach
it to the message reference.
Not all types of message communication does an explicit copy of a
literal and this needs to be taken care of before a module is purged.
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Specifically t_copy_literals_frags/1 tries to test literals
in message heap fragments.
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* binarin/fix-absolute-paths/PR-1056/OTP-13617:
Fix program paths used in build process
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* kostis/compiler/cerl-arity/PR-1059:
Use arity() consistently
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We must be careful how we treat the type info for the result of:
setelement(Index, Tuple, NewValue)
If Tuple had type information, the result of setelement/3 (in x(0))
would be assigned the same type information. But that is not safe
for:
setelement(1, Tuple, NewValue)
since the type for the first element will be changed.
Therefore, we must take care to remove the type information for
the first element of the tuple if might have been modified by
setelement/3.
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As a preparation for better optimizations in beam_type, a list
literal must be accepted as a 'cons'.
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As a preparation for upcoming better optimizations in beam_type,
we will need to keep better track of tuple literals so that
beam_validator will not falsely reject safe code.
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Document the new Ports tab and tracing of ports.
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When setting trace flags on 'new_processes' or 'new_ports', the
currently active node is now automatically added if no other node is
traced.
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When using an IP trace client, turn of all trace flags on the client
port to avoid massive overload. Note that this is only a protection on
client start - it is currently not possible to protect the port
against trace flags set at a later point in time.
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* Only allow single selection of modules
* Add right click menu to remove module
* Allow multiple selection of nodes, and show procs/ports for ALL
selected nodes
* On right click, only show menu items that make sense for the current
content and selection
* Add tooltips with help text
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* dgud/observer/process-display-binary:
observer: sync close to avoid process crash reports
Test cuddling
observer: Align system info boxes
Change binary debug tuple to size and refc info
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* dgud/tools/emacs-xref/PR-1051:
Add xref support in erlang.el
Conflicts:
lib/tools/emacs/erlang.el
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Also make the default depth for debugVal/1 possible to override
by defining the macro EUNIT_DEBUG_VAL_DEPTH.
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We want to avoid tests timeing out regularly on slow test machines.
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We are working on including DTLS support. And we want to include
the contributed tests now before making planned enhancements to the
test suits.
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Consolidate code that logs TLS/DTLS version during testing
into ssl_test_lib.
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In GNU Emacs 25 xref will be introduced. It is a framework for cross
referencing commands, in particular commands for finding definitions.
It does not replace etags. It rather resides on top of it and
provides user-friendly commands. The idea is that the user commands
should be the same regardless of what back-end does the actual finding
of definitions.
Add to the xref commands awareness of the module:tag syntax in a
similar way that is already done for the old etags commands.
Xref completion support is not included in this commit.
Remove all compilation warnings for GNU Emacs 24.5 and current 25
(4ffec91).
Remove XEmacs incompatibility in
erlang-font-lock-exported-function-name-face.
Add file erlang-test.el with a single unit test.
Add TAGS to .gitignore.
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