| Commit message (Collapse) | Author | Age | Files | Lines |
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Summary:
There a a few call sites that use FILE* which are easy to
fix without disrupting anything else.
Reviewers: JDevlieghere, jasonmolenda, labath
Reviewed By: JDevlieghere, labath
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D68444
llvm-svn: 374239
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Summary:
We now have valid files that will return NULL from GetStream().
libedit and the LLDB gui are the only places left that need FILE*
streams. Both are doing curses-like user interaction that only
make sense with a real terminal anyway, so there is no need to convert
them off of their use of FILE*. But we should check for null streams
before enabling these features.
Reviewers: JDevlieghere, jasonmolenda, labath
Reviewed By: JDevlieghere, labath
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D68677
llvm-svn: 374197
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Testing whether a name is mangled or not is extremely cheap and can be
done by looking at the first two characters. Mangled knows how to do
it. On the flip side, many call sites that currently pass in an
is_mangled determination do not know how to correctly do it (for
example, they leave out Swift mangling prefixes).
This patch removes this entry point and just forced Mangled to
determine the mangledness of a string itself.
Differential Revision: https://reviews.llvm.org/D68674
llvm-svn: 374180
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llvm-svn: 373968
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Link against clang-cpp dylib rather than split libs when
CLANG_LINK_CLANG_DYLIB is enabled.
Differential Revision: https://reviews.llvm.org/D68456
llvm-svn: 373734
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Summary:
This patch factors out File as an abstract base
class and moves most of its actual functionality into
a subclass called NativeFile. In the next patch,
I'm going to be adding subclasses of File that
don't necessarily have any connection to actual OS files,
so they will not inherit from NativeFile.
This patch was split out as a prerequisite for
https://reviews.llvm.org/D68188
Reviewers: JDevlieghere, jasonmolenda, labath
Reviewed By: labath
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D68317
llvm-svn: 373564
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Summary:
Add new methods to SBDebugger to set IO files as SBFiles instead of
as FILE* streams.
In future commits, the FILE* methods will be deprecated and these
will become the primary way to set the debugger I/O streams.
Reviewers: JDevlieghere, jasonmolenda, labath
Reviewed By: labath
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D68181
llvm-svn: 373563
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In r368345 I accidentally introduced a regression that would
over-report the number of matches found by FindTypes if the
DeclContext Filter was hit.
This patch simply removes the size_t return parameter altogether —
it's not that useful.
rdar://problem/55500457
Differential Revision: https://reviews.llvm.org/D68169
llvm-svn: 373344
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I noticed that SymbolFileDWARFDebugMap::FindTypes was implementing it
incorrectly (passing append=false in a for-loop to recursive calls to
FindTypes would yield only the very last set of results), but instead
of fixing it, removing it seemed like an even better option.
rdar://problem/54412692
Differential Revision: https://reviews.llvm.org/D68171
llvm-svn: 373224
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dbghelp api. NFC."
This reverts SVN r373144, as it changed the demangled output a little, see
http://lab.llvm.org:8011/builders/lldb-x64-windows-ninja/builds/9306.
llvm-svn: 373146
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If there's any testcases that only do demangling (I didn't find any),
they could be made available for all platforms now.
Differential Revision: https://reviews.llvm.org/D68134
llvm-svn: 373144
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llvm-svn: 373134
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The ClangDriverOptions target is not available for standalone builds.
Thanks Alex for pointing this out!
llvm-svn: 373112
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ModuleList.cpp includes clang/Driver/Driver.h which depends on
clang/Driver/Options.inc. This patch adds the corresponding TableGen
target to Core.
llvm-svn: 373105
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Summary:
This patch removes File::SetStream() and File::SetDescriptor(),
and replaces most direct uses of File with pointers to File.
Instead of calling SetStream() on a file, we make a new file and
replace it.
My ultimate goal here is to introduce a new API class SBFile, which
has full support for python io.IOStream file objects. These can
redirect read() and write() to python code, so lldb::Files will
need a way to dispatch those methods. Additionally it will need some
form of sharing and assigning files, as a SBFile will be passed in and
assigned to the main IO streams of the debugger.
In my prototype patch queue, I make File itself copyable and add a
secondary class FileOps to manage the sharing and dispatch. In that
case SBFile was a unique_ptr<File>.
(here: https://github.com/smoofra/llvm-project/tree/files)
However in review, Pavel Labath suggested that it be shared_ptr instead.
(here: https://reviews.llvm.org/D67793)
In order for SBFile to use shared_ptr<File>, everything else should
as well.
If this patch is accepted, I will make SBFile use a shared_ptr
I will remove FileOps from future patches and use subclasses of File
instead.
Reviewers: JDevlieghere, jasonmolenda, zturner, jingham, labath
Reviewed By: labath
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D67891
llvm-svn: 373090
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ModuleList.cpp includes clang/Driver/Driver.h. Reflect that in the build
system. Not having this can cause build failures if ModuleList.cpp is
built before Driver.inc is generated.
llvm-svn: 373073
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Summary:
This patch converts FileSystem::Open from this prototype:
Status
Open(File &File, const FileSpec &file_spec, ...);
to this one:
llvm::Expected<std::unique_ptr<File>>
Open(const FileSpec &file_spec, ...);
This is beneficial on its own, as llvm::Expected is a more modern
and recommended error type than Status. It is also a necessary step
towards https://reviews.llvm.org/D67891, and further developments
for lldb_private::File.
Reviewers: JDevlieghere, jasonmolenda, labath
Reviewed By: labath
Subscribers: mgorny, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D67996
llvm-svn: 373003
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ResetOutputFileHandle() isn't being used by anything. Also it's using
FILE*, which is something we should be doing less of. Remove it.
Patch by: Lawrence D'Anna
Differential revision: https://reviews.llvm.org/D68001
llvm-svn: 372800
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lvm_private::File::GetStream() can fail if m_options == 0
It's not clear from the header a File created with a descriptor will be
not be usable by many parts of LLDB unless SetOptions is also called,
but it is.
This is because those parts of LLDB rely on GetStream() to use the
file, and that in turn relies on calling fdopen on the descriptor. When
calling fdopen, GetStream relies on m_options to determine the access
mode. If m_options has never been set, GetStream() will fail.
This patch adds options as a required argument to File::SetDescriptor
and the corresponding constructor.
Patch by: Lawrence D'Anna
Differential revision: https://reviews.llvm.org/D67792
llvm-svn: 372652
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general
These ifdefs contain code that isn't specific to MSVC but useful for
any windows target, like MinGW.
Differential Revision: https://reviews.llvm.org/D67893
llvm-svn: 372592
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Summary: This way it works better with MinGW.
Subscribers: mstorsjo, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D67887
llvm-svn: 372493
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This patch adds basic support for DW_OP_convert[1] for integer
types. Recent versions of LLVM's optimizer may insert this opcode into
DWARF expressions. DW_OP_convert is effectively a type cast operation
that takes a reference to a base type DIE (or zero) and then casts the
value at the top of the DWARF stack to that type. Internally this
works by changing the bit size of the APInt that is used as backing
storage for LLDB's DWARF stack.
I managed to write a unit test for this by implementing a mock YAML
object file / module that takes debug info sections in yaml2obj
format.
[1] Typed DWARF stack. http://www.dwarfstd.org/ShowIssue.php?issue=140425.1
<rdar://problem/48167864>
Differential Revision: https://reviews.llvm.org/D67369
llvm-svn: 371532
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Summary:
DumpDataExtractor uses ClangASTContext in order to get the proper llvm
fltSemantics for the type it needs so that it can dump floats in a more
precise way. However, there's no reason that this behavior needs to be
specific ClangASTContext. Instead, I think it makes sense to ask
TypeSystems for the float semantics for a type of a given size.
Differential Revision: https://reviews.llvm.org/D67239
llvm-svn: 371258
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Use early returns to highlight preconditions and make the code easier to
follow.
llvm-svn: 370998
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Use early returns to highlight preconditions and make the code easier to
follow.
llvm-svn: 370994
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plugin.
Unfortunately the test is currently XFAILed because of missing changes
to the clang driver.
Differential Revision: https://reviews.llvm.org/D67124
llvm-svn: 370931
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Summary:
We got a radar that printing small floats is not very user-friendly in LLDB as we print them with up to
100 leading zeroes before starting to use scientific notation. This patch changes this by already using
scientific notation when we hit 6 padding zeroes by default and moves this value into a target setting
so that users can just set this number back to 100 if they for some reason preferred the old behaviour.
This new setting is influencing how we format data, so that's why we have to reset the data visualisation
cache when it is changed.
Note that we have always been using scientific notation for large numbers because it seems that
the LLVM implementation doesn't support printing out the padding zeroes for them. I would have fixed
that if it was trivial, but looking at the LLVM implementation for this it seems that this is not as trivial
as it sounds. I would say we look into this if we ever get a bug report about someone wanting to have
a large amount of trailing zeroes in their numbers instead of using scientific notation.
Fixes rdar://39744137
Reviewers: #lldb, clayborg
Reviewed By: clayborg
Subscribers: JDevlieghere, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D67001
llvm-svn: 370880
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GetAPInt should be able to handle all cases. I have plans to generalize
the float dumping logic and this makes it easier to do later.
llvm-svn: 370255
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The current implementation returns a bool for indicating success and
whether or not the APInt passed by reference was populated. Instead of
doing that, I think it makes more sense to return an Optional<APInt>.
llvm-svn: 369970
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Summary:
We should always have a dummy target, so we might as well construct it directly when we create a Debugger object.
The idea is that if this patch doesn't cause any problems that we can get rid of all the logic
that handles situations where we don't have a dummy target (as all that code is currently
untested as there seems to be no way to have no dummy target in LLDB).
Reviewers: labath, jingham
Reviewed By: labath, jingham
Subscribers: jingham, abidh, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D66581
llvm-svn: 369885
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This patch is also motivated by the Swift branch and is effectively NFC for the single-TypeSystem llvm.org branch.
In multi-language projects it is extremely common to have, e.g., a
Clang type and a similarly-named rendition of that same type in
another language. When searching for a type It is much cheaper to pass
a set of supported languages to the SymbolFile than having it
materialize every result and then rejecting the materialized types
that have the wrong language.
Differential Revision: https://reviews.llvm.org/D66546
<rdar://problem/54471165>
This reapplies r369690 with a previously missing constructor for LanguageSet.
llvm-svn: 369710
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This reverts r369690 (git commit aa3a564efa6b5fff2129f81a4041069a0233168f)
llvm-svn: 369702
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This patch is also motivated by the Swift branch and is effectively NFC for the single-TypeSystem llvm.org branch.
In multi-language projects it is extremely common to have, e.g., a
Clang type and a similarly-named rendition of that same type in
another language. When searching for a type It is much cheaper to pass
a set of supported languages to the SymbolFile than having it
materialize every result and then rejecting the materialized types
that have the wrong language.
Differential Revision: https://reviews.llvm.org/D66546
<rdar://problem/54471165>
llvm-svn: 369690
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llvm-svn: 369632
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remove any undocumented/redundant return values
Summary:
We still have some leftovers of the old completion API in the internals of
LLDB that haven't been replaced by the new CompletionRequest. These leftovers
are:
* The return values (int/size_t) in all completion functions.
* Our result array that starts indexing at 1.
* `WordComplete` mode.
I didn't replace them back then because it's tricky to figure out what exactly they
are used for and the completion code is relatively untested. I finally got around
to writing more tests for the API and understanding the semantics, so I think it's
a good time to get rid of them.
A few words why those things should be removed/replaced:
* The return values are really cryptic, partly redundant and rarely documented.
They are also completely ignored by Xcode, so whatever information they contain will end up
breaking Xcode's completion mechanism. They are also partly impossible to even implement
as we assign negative values special meaning and our completion API sometimes returns size_t.
Completion functions are supposed to return -2 to rewrite the current line. We seem to use this
in some untested code path to expand the history repeat character to the full command, but
I haven't figured out why that doesn't work at the moment.
Completion functions return -1 to 'insert the completion character', but that isn't implemented
(even though we seem to activate this feature in LLDB sometimes).
All positive values have to match the number of results. This is obviously just redundant information
as the user can just look at the result list to get that information (which is what Xcode does).
* The result array that starts indexing at 1 is obviously unexpected. The first element of the array is
reserved for the common prefix of all completions (e.g. "foobar" and "footar" -> "foo"). The idea is
that we calculate this to make the life of the API caller easier, but obviously forcing people to have
1-based indices is not helpful (or even worse, forces them to manually copy the results to make it
0-based like Xcode has to do).
* The `WordComplete` mode indicates that LLDB should enter a space behind the completion. The
idea is that we let the top-level API know that we just provided a full completion. Interestingly we
`WordComplete` is just a single bool that somehow represents all N completions. And we always
provide full completions in LLDB, so in theory it should always be true.
The only use it currently serves is providing redundant information about whether we have a single
definitive completion or not (which we already know from the number of results we get).
This patch essentially removes `WordComplete` mode and makes the result array indexed from 0.
It also removes all return values from all internal completion functions. The only non-redundant information
they contain is about rewriting the current line (which is broken), so that functionality was moved
to the CompletionRequest API. So you can now do `addCompletion("blub", "description", CompletionMode::RewriteLine)`
to do the same.
For the SB API we emulate the old behaviour by making the array indexed from 1 again with the common
prefix at index 0. I didn't keep the special negative return codes as we either never sent them before (e.g. -2) or we
didn't even implement them in the Editline handler (e.g. -1).
I tried to keep this patch minimal and I'm aware we can probably now even further simplify a bunch of related code,
but I would prefer doing this in follow-up NFC commits
Reviewers: JDevlieghere
Reviewed By: JDevlieghere
Subscribers: arphaman, abidh, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D66536
llvm-svn: 369624
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While generating the Doxygen I noticed this lone namespace that has one
class and one function in it. This moves them into lldb_private.
llvm-svn: 369485
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I find as a good cleanup to drop the Compile method. As I do not find TIMTOWTDI
as an advantage and there is already constructor parameter to compile the
regex.
Differential Revision: https://reviews.llvm.org/D66392
llvm-svn: 369352
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Summary:
The warning
```
lldb/source/Core/FormatEntity.cpp:2350:25: warning: object backing the pointer will be destroyed at the end of the full-expression [-Wdangling]
```
is emitted after annotating `llvm::StringRef` with `[[gsl::Pointer]]`.
The reason is that in
```
size_t FormatEntity::AutoComplete(CompletionRequest &request) {
llvm::StringRef str = request.GetCursorArgumentPrefix().str();
```
the function `GetCursorArgumentPrefix()` returns a `StringRef`, and `StringRef::str()` returns
a temporary `std::string`.
Reviewers: jingham, JDevlieghere
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D66442
llvm-svn: 369304
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Originally I wanted to remove the RegularExpression class in Utility and
replace it with llvm::Regex. However, during that transition I noticed
that there are several places where need the regular expression string.
So instead I propose to keep the RegularExpression class and make it a
thin wrapper around llvm::Regex.
This patch also removes the workaround for empty regular expressions.
The result is that we are now (more or less) POSIX conformant.
Differential revision: https://reviews.llvm.org/D66174
llvm-svn: 369153
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This patch moves the remaining completion functions from the
old completion API (that used several variables) to just
passing a single CompletionRequest.
This is for the most part a simple change as we just replace
the old arguments with a single CompletionRequest argument.
There are a few places where I had to create new CompletionRequests
in the called functions as CompletionRequests itself are immutable
and don't expose their internal match list anymore. This means that
if a function wanted to change the CompletionRequest or directly
access the result list, we need to work around this by creating
a new CompletionRequest and a temporary match/description list.
Preparation work for rdar://53769355
llvm-svn: 369000
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Now that we've moved to C++14, we no longer need the llvm::make_unique
implementation from STLExtras.h. This patch is a mechanical replacement
of (hopefully) all the llvm::make_unique instances across the monorepo.
Differential revision: https://reviews.llvm.org/D66259
llvm-svn: 368933
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Value::GetValueAsData() takes an undocumented parameter called
data_offset that is always 0.
Differential Revision: https://reviews.llvm.org/D65910
llvm-svn: 368330
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Summary:
This patch removes the GetSymbolVendor function, and the various
mentions of the SymbolVendor in the Module class. The implementation of
GetSymbolVendor is "inlined" into the GetSymbolFile class which I
created earlier.
After this patch, the SymbolVendor class still exists inside the Module
object, but only as an implementation detail -- a fancy holder for the
SymbolFile. That will be removed in the next patch.
Reviewers: clayborg, JDevlieghere, jingham, jdoerfert
Subscribers: jfb, lldb-commits
Differential Revision: https://reviews.llvm.org/D65864
llvm-svn: 368263
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If a bitfield doesn't fit into the child_byte_size'd window at
child_byte_offset, move the window forward until it fits. The problem
here is that Value has no notion of bitfields and thus the Value's
DataExtractor is sized like the bitfields CompilerType; a sequence of
bitfields, however, can be larger than their underlying type.
This was not in the big-endian-derived DWARF 2 bitfield attributes
because their offsets were counted from the end of the window, so they
always fit.
rdar://problem/53132189
Differential Revision: https://reviews.llvm.org/D65492
llvm-svn: 368226
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Remove more dead code and reformat the file.
llvm-svn: 368116
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Summary:
In an attempt to make file-address-based lookups more predictable, in D55998
we started ignoring sections which would result in file address
overlaps. It turns out this was too aggressive because thread-local
sections typically will have file addresses which apear to overlap
regular data/code. This does not cause a problem at runtime because
thread-local sections are loaded into memory using special logic, but it
can cause problems for lldb when trying to lookup objects by their file
address.
This patch changes ObjectFileELF to permit thread-local sections to
overlap regular ones by essentially giving them a separate address
space. It also makes them more symmetrical to regular sections by
creating container sections from PT_TLS segments.
Simultaneously, the patch changes the regular file address lookup logic
to ignore sections with the thread-specific bit set. I believe this is
what the users looking up file addresses would typically expect, as
looking up thread-local data generally requires more complex logic (e.g.
DWARF has a special opcode for that).
Reviewers: clayborg, jingham, MaskRay
Subscribers: emaste, aprantl, arichardson, lldb-commits
Differential Revision: https://reviews.llvm.org/D65282
llvm-svn: 368010
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After the recent refactorings the SymbolVendor passthrough no longer
serve any purpose. This patch removes those methods, and updates all
callsites to go to the symbol file directly -- in most cases that just
means calling GetSymbolFile()->foo() instead of
GetSymbolVendor()->foo().
llvm-svn: 368001
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These functions are not referenced.
llvm-svn: 367976
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Summary:
This patch removes the GetSymtab method from the SymbolVendor, which is
a no-op as it's implementation just forwards to the relevant SymbolFile.
Instead it creates a Module::GetSymtab, which calls the SymbolFile
method directly.
All callers have been updated to use the Module method directly instead
of a two phase GetSymbolVendor->GetSymtab search, which leads to reduced
intentation in a lot of deeply nested code.
Reviewers: clayborg, JDevlieghere, jingham
Subscribers: lldb-commits
Differential Revision: https://reviews.llvm.org/D65569
llvm-svn: 367820
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F_{None,Text,Append} are kept for compatibility since r334221.
llvm-svn: 367800
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