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Completes the ToJSON function for `OptionValue` types and make the interface function pure virtual
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Co-authored-by: Jonas Devlieghere <jonas@devlieghere.com>
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This patch removes all of the Set.* methods from Status.
This cleanup is part of a series of patches that make it harder use the
anti-pattern of keeping a long-lives Status object around and updating
it while dropping any errors it contains on the floor.
This patch is largely NFC, the more interesting next steps this enables
is to:
1. remove Status.Clear()
2. assert that Status::operator=() never overwrites an error
3. remove Status::operator=()
Note that step (2) will bring 90% of the benefits for users, and step
(3) will dramatically clean up the error handling code in various
places. In the end my goal is to convert all APIs that are of the form
` ResultTy DoFoo(Status& error)
`
to
` llvm::Expected<ResultTy> DoFoo()
`
How to read this patch?
The interesting changes are in Status.h and Status.cpp, all other
changes are mostly
` perl -pi -e 's/\.SetErrorString/ = Status::FromErrorString/g' $(git
grep -l SetErrorString lldb/source)
`
plus the occasional manual cleanup.
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Most users of this stick it into a StringRef. The one user that doesn't
just tries to get the length out of it, which we can precompute by
putting it in a constexpr StringLiteral.
Differential Revision: https://reviews.llvm.org/D151951
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In the interest of keeping the ConstString StringPool small, this patch
aims to remove the use of ConstString from OptionValueProperties.
We can maintain quick lookups by using an llvm::StringMap to find the
correct index by name.
Differential Revision: https://reviews.llvm.org/D152210
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In many places we're using uint32_t where we should be using size_t.
We should be consistent.
Differential Revision: https://reviews.llvm.org/D151949
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Use the templated GetPropertyAtIndexAs helper for ArchSpec.
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Use the templated GetPropertyAtIndexAs helper for LanguageType.
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This patch is a continuation of 6f8b33f6dfd0 and eliminates the
{Get,Set}PropertyAtIndexAsFileSpec functions.
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After 6f8b33f6dfd0 this function has no callers anymore.
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Use templates to simplify {Get,Set}PropertyAtIndex. It has always
bothered me how cumbersome those calls are when adding new properties.
After this patch, SetPropertyAtIndex infers the type from its arguments
and GetPropertyAtIndex required a single template argument for the
return value. As an added benefit, this enables us to remove a bunch of
wrappers from UserSettingsController and OptionValueProperties.
Differential revision: https://reviews.llvm.org/D149774
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All indexes passed to GetPropertyAtIndex are constants generated by
ablegen. We should never pass an invalid index.
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The majority of call sites are nullptr as the execution context.
Refactor OptionValueProperties to make the argument optional and
simplify all the callers.
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Various OptionValue related classes are passing around will_modify but
the value is never used. This patch simplifies the interfaces by
removing the redundant argument.
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Similar to fdbe7c7faa54, refactor OptionValueProperties to return a
std::optional instead of taking a fail value. This allows the caller to
handle situations where there's no value, instead of being unable to
distinguish between the absence of a value and the value happening the
match the fail value. When a fail value is required,
std::optional::value_or() provides the same functionality.
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Refactor OptionValue to return a std::optional instead of taking a fail
value. This allows the caller to handle situations where there's no
value, instead of being unable to distinguish between the absence of a
value and the value happening the match the fail value. When a fail
value is required, std::optional::value_or() provides the same
functionality.
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These probably do not need to be in the ConstString StringPool as they
don't really need any of the advantages that ConstStrings offer.
Lifetime for these things is always static and we never need to perform
comparisons for setting descriptions.
Differential Revision: https://reviews.llvm.org/D148679
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process
`GetPropertyAtIndexAsArgs` returns true on success and false on failure. Right
now it returns the converted `size_t` returned from `GetArgs` which describes
the number of arguments in the argument list. So for empty argument lists
(`(size_t)0` -> `(bool)false`) this function always fails.
The only observable effect of this seems to be that empty arguments are never
propagated to the internal LaunchInfo for a process. This causes that once any
argument has been added to `target.run-args`, clearing `target.run-args` doesn't
have any effect.
Fixes issue #55568
Reviewed By: JDevlieghere, jingham
Differential Revision: https://reviews.llvm.org/D126057
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This patch adds new SBDebugger::GetSetting() API which
enables client to access settings as SBStructedData.
Implementation wise, a new ToJSON() virtual function is added to OptionValue
class so that each concrete child class can override and provides its
own JSON representation. This patch aims to define the APIs and implement
a common set of OptionValue child classes, leaving the remaining for
future patches.
This patch is used later by auto deduce source map from source line breakpoint
feature for testing generated source map entries.
Differential Revision: https://reviews.llvm.org/D133038
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This adds a setting (`target.max-children-depth`) that will provide a default value for the `--depth` flag used by `expression` and `frame variable`.
The new setting uses the same default that's currently fixed in source: `UINT32_MAX`.
This provides two purposes:
1. Allowing downstream forks to provide a customized default.
2. Allowing users to set their own default.
Following `target.max-children-count`, a warning is emitted when the max depth is reached. The warning lets users know which flags or settings they can customize. This warning is shown only when the limit is the default value.
rdar://87466495
Differential Revision: https://reviews.llvm.org/D123954
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Until the introduction of the C++ REPL, there was always a single REPL
language. Several places relied on this assumption through
repl_languages.GetSingularLanguage. Now that this is no longer the case,
we need a way to specify a selected/preferred REPL language. This patch
does that with the help of a debugger property, taking inspiration from
how we store the scripting language.
Differential revision: https://reviews.llvm.org/D116697
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Most of the interfaces were converted already, this just converts the
internal implementation.
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Some implementations of the DeepCopy function called the copy constructor that copied m_parent member instead of setting a new parent. Others just leaved the base class's members (m_parent, m_callback, m_was_set) empty.
One more problem is that not all classes override this function, e.g. OptionValueArgs::DeepCopy produces OptionValueArray instance, and Target[Process/Thread]ValueProperty::DeepCopy produces OptionValueProperty. This makes downcasting via static_cast invalid.
The patch implements idiom "virtual constructor" to fix these issues.
Add a test that checks DeepCopy for correct copying/setting all data members of the base class.
Differential Revision: https://reviews.llvm.org/D96952
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OptionValueArgs
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and base classes
According to clang-tidy's readability-redundant-member-init.
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That's supposed to be used to implement things such as `settings set target.run-args{basename==test&&arch==x86_64} arg1`
but it's not actually fully implemented or tested anywhere.
Reviewed By: JDevlieghere
Differential Revision: https://reviews.llvm.org/D88910
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Every override returns true and its return value is never checked. I can't
see how clearing an OptionValue could fail, or what you would
do if it did. The return serves no purpose.
Differential Revision: https://reviews.llvm.org/D84253
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Summary:
A *.cpp file header in LLDB (and in LLDB) should like this:
```
//===-- TestUtilities.cpp -------------------------------------------------===//
```
However in LLDB most of our source files have arbitrary changes to this format and
these changes are spreading through LLDB as folks usually just use the existing
source files as templates for their new files (most notably the unnecessary
editor language indicator `-*- C++ -*-` is spreading and in every review
someone is pointing out that this is wrong, resulting in people pointing out that this
is done in the same way in other files).
This patch removes most of these inconsistencies including the editor language indicators,
all the different missing/additional '-' characters, files that center the file name, missing
trailing `===//` (mostly caused by clang-format breaking the line).
Reviewers: aprantl, espindola, jfb, shafik, JDevlieghere
Reviewed By: JDevlieghere
Subscribers: dexonsmith, wuzish, emaste, sdardis, nemanjai, kbarton, MaskRay, atanasyan, arphaman, jfb, abidh, jsji, JDevlieghere, usaxena95, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D73258
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instead of a function pointer + void*, take a std::function. This
removes a bunch of repetitive, unsafe void* casts.
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For a single char argument, find_first_of is equal to find and
find_last_of is equal to rfind. While playing around with the plugin
stuff this caused an export failure because it always got inlined except
once, which resulted in an undefined symbol.
llvm-svn: 357198
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My apologies for the large patch. With the exception of ConstString.h
itself it was entirely produced by sed.
ConstString has exactly one const char * data member, so passing a
ConstString by reference is not any more efficient than copying it by
value. In both cases a single pointer is passed. But passing it by
value makes it harder to accidentally return the address of a local
object.
(This fixes rdar://problem/48640859 for the Apple folks)
Differential Revision: https://reviews.llvm.org/D59030
llvm-svn: 355553
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to reflect the new license.
We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.
Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.
llvm-svn: 351636
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This patch simplifies boolean expressions acorss LLDB. It was generated
using clang-tidy with the following command:
run-clang-tidy.py -checks='-*,readability-simplify-boolean-expr' -format -fix $PWD
Differential revision: https://reviews.llvm.org/D55584
llvm-svn: 349215
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This patch removes the comments grouping header includes. They were
added after running IWYU over the LLDB codebase. However they add little
value, are often outdates and burdensome to maintain.
llvm-svn: 346626
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Differential Revision: https://reviews.llvm.org/D52572
llvm-svn: 343181
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if an experimental setting has been removed/is missing.
Add tests for the .experimental. settings behaviors -- that they correctly
forward through to the real setting if it has become a real setting,
that they don't generate errors when a settig has been removed.
As Pavel notes in https://reviews.llvm.org/D45348, the way I'm suppressing
errors in the setting is not completely correct - if any of the setting
path components include "experimental", a missing setting would be declared
a non-error. So
settings set target.experimental.setting-that-does-not-exist true
would not generate an error, which is correct. But as Pavel notes,
settings set setting-does-not-exist.experimental.run-stopped true
should generate an error because the unknown name occurs before the
"experimental". The amount of change to do this correctly hasn't
thrilled me, so I'm leaving this as-is for now.
<rdar://problem/39223054>
Differential Revision: https://reviews.llvm.org/D45348
llvm-svn: 331315
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This is intended as a clean up after the big clang-format commit
(r280751), which unfortunately resulted in many of the comment
paragraphs in LLDB being very hard to read.
FYI, the script I used was:
import textwrap
import commands
import os
import sys
import re
tmp = "%s.tmp"%sys.argv[1]
out = open(tmp, "w+")
with open(sys.argv[1], "r") as f:
header = ""
text = ""
comment = re.compile(r'^( *//) ([^ ].*)$')
special = re.compile(r'^((([A-Z]+[: ])|([0-9]+ )).*)|(.*;)$')
for line in f:
match = comment.match(line)
if match and not special.match(match.group(2)):
# skip intentionally short comments.
if not text and len(match.group(2)) < 40:
out.write(line)
continue
if text:
text += " " + match.group(2)
else:
header = match.group(1)
text = match.group(2)
continue
if text:
filled = textwrap.wrap(text, width=(78-len(header)),
break_long_words=False)
for l in filled:
out.write(header+" "+l+'\n')
text = ""
out.write(line)
os.rename(tmp, sys.argv[1])
Differential Revision: https://reviews.llvm.org/D46144
llvm-svn: 331197
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Summary:
The Args class is used in plenty of places besides the command
interpreter (e.g., anything requiring an argc+argv combo, such as when
launching a process), so it needs to be in a lower layer. Now that the
class has no external dependencies, it can be moved down to the Utility
module.
This removes the last (direct) dependency from the Host module to
Interpreter, so I remove the Interpreter module from Host's dependency
list.
Reviewers: zturner, jingham, davide
Subscribers: mgorny, lldb-commits
Differential Revision: https://reviews.llvm.org/D45480
llvm-svn: 330200
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This renames the LLDB error class to Status, as discussed
on the lldb-dev mailing list.
A change of this magnitude cannot easily be done without
find and replace, but that has potential to catch unwanted
occurrences of common strings such as "Error". Every effort
was made to find all the obvious things such as the word "Error"
appearing in a string, etc, but it's possible there are still
some lingering occurences left around. Hopefully nothing too
serious.
llvm-svn: 302872
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Summary:
UniqueCStringMap "sorts" the entries for fast lookup, but really it only cares about uniqueness. ConstString can be compared by pointer alone, rather than with strcmp, resulting in much faster comparisons. Change the interface to take ConstString instead, and propagate use of the type to the callers where appropriate.
Reviewers: #lldb, clayborg
Reviewed By: clayborg
Subscribers: labath, jasonmolenda, lldb-commits
Differential Revision: https://reviews.llvm.org/D32316
Patch by Scott Smith <scott.smith@purestorage.com>.
llvm-svn: 301908
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llvm-svn: 298412
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With this patch, the only dependency left is from Utility
to Host. After this is broken, Utility will finally be
standalone.
Differential Revision: https://reviews.llvm.org/D29909
llvm-svn: 295088
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This moves the following classes from Core -> Utility.
ConstString
Error
RegularExpression
Stream
StreamString
The goal here is to get lldbUtility into a state where it has
no dependendencies except on itself and LLVM, so it can be the
starting point at which to start untangling LLDB's dependencies.
These are all low level and very widely used classes, and
previously lldbUtility had dependencies up to lldbCore in order
to use these classes. So moving then down to lldbUtility makes
sense from both the short term and long term perspective in
solving this problem.
Differential Revision: https://reviews.llvm.org/D29427
llvm-svn: 293941
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Also found/fixed one bug identified by this warning in
RenderScriptx86ABIFixups.cpp where a string literal was being used in an
effort to provide a name for an instruction/register, but was instead
being passed as the bool 'isVolatile' parameter.
llvm-svn: 291198
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This was a bit tricky, especially for things like
OptionValueArray and OptionValueDictionary since they do some
funky string parsing. Rather than try to re-write line-by-line
I tried to make the StringRef usage idiomatic, even though
it meant often re-writing from scratch large blocks of code
in a different way while keeping true to the original intent.
The finished code is a big improvement though, and often much
shorter than the original code. All tests and unit tests
pass on Windows and Linux.
llvm-svn: 287242
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llvm-svn: 287157
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llvm-svn: 287055
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llvm-svn: 283494
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llvm-svn: 282269
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