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The LLVM Coding Standards [1] discourages the use of 'else' or 'else if'
after something that interrupts control flow. Bulk fix all instances as
I'm working on this part of LLDB.
[1] https://llvm.org/docs/CodingStandards.html#don-t-use-else-after-a-return
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Many calls to Function::GetAddressRange() were not interested in the
range itself. Instead they wanted to find the address of the function
(its entry point) or the base address for relocation of function-scoped
entities (technically, the two don't need to be the same, but there's
isn't good reason for them not to be). This PR creates a separate
function for retrieving this, and changes the existing
(non-controversial) uses to call that instead.
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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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(#71993)
This is a follow-up to (#71613) and (#71961).
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BreakpointResolver*::CreateFromStructuredData (#75374)
These appear to be unused.
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(#71613)
This patch changes the interface of
StructuredData::Array::GetItemAtIndexAsString to return a
`std::optional<llvm::StringRef>` instead of taking an out parameter.
More generally, this commit serves as proposal that we change all of the
sibling APIs (`GetItemAtIndexAs`) to do the same thing. The reason this
isn't one giant patch is because it is rather unwieldy changing just one
of these, so if this is approved, I will do all of the other ones as
individual follow-ups.
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pointers (#71477)
BreakpointResolver::CreateFromStructuredData returns a
BreakpointResolverSP, but all of the subclasses return raw pointers.
Instead of creating a raw pointer and shoving it into a shared pointer,
it seems reasonable to just create the shared pointer directly.
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(#66001)
Instead of creating a copy of the vector, we should just pass a
reference along. The only method that calls this Ctor also holds onto a
non-mutable reference to the vector of strings so a copy should be
unnecessary.
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This patch refactors the `StructuredData::Integer` class to make it
templated, makes it private and adds 2 public specialization for both
`int64_t` & `uint64_t` with a public type aliases, respectively
`SignedInteger` & `UnsignedInteger`.
It adds new getter for signed and unsigned interger values to the
`StructuredData::Object` base class and changes the implementation of
`StructuredData::Array::GetItemAtIndexAsInteger` and
`StructuredData::Dictionary::GetValueForKeyAsInteger` to support signed
and unsigned integers.
This patch also adds 2 new `Get{Signed,Unsigned}IntegerValue` to the
`SBStructuredData` class and marks `GetIntegerValue` as deprecated.
Finally, this patch audits all the caller of `StructuredData::Integer`
or `StructuredData::GetIntegerValue` to use the proper type as well the
various tests that uses `SBStructuredData.GetIntegerValue`.
rdar://105575764
Differential Revision: https://reviews.llvm.org/D150485
Signed-off-by: Med Ismail Bennani <ismail@bennani.ma>
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Re-lands 04aa943be8ed5c03092e2a90112ac638360ec253 with modifications
to fix tests.
I originally reverted this because it caused a test to fail on Linux.
The problem was that I inverted a condition on accident.
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This reverts commit 04aa943be8ed5c03092e2a90112ac638360ec253.
This broke the debian buildbot and I'm not sure why. Reverting so I can
investigate.
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There are many situations where we'll iterate over a SymbolContextList
with the pattern:
```
SymbolContextList sc_list;
// Fill in sc_list here
for (auto i = 0; i < sc_list.GetSize(); i++) {
SymbolContext sc;
sc_list.GetSymbolAtContext(i, sc);
// Do work with sc
}
```
Adding an iterator to iterate over the instances directly means we don't
have to do bounds checking or create a copy of every element of the
SymbolContextList.
Differential Revision: https://reviews.llvm.org/D149900
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This reverts commit 921a4d5be4bbe3c337419dfcc313b3eb892c2870.
Due to buildbot failures on Arm and Arm64.
https://lab.llvm.org/buildbot/#/builders/96/builds/30231
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This reverts commit 967df65a3610f98a3bc0ec0f2303641d7bad176c.
This fixes test/Shell/SymbolFile/NativePDB/find-functions.cpp. When
looking up functions with the PDB plugins, if we are looking for a
full function name, we should use `GetName` to populate the `name`
field instead of `GetLookupName` since `GetName` has the more
complete information.
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This reverts commit befa77e59a7760d8c4fdd177b234e4a59500f61c.
Looks like this broke a SymbolFileNativePDB test. I'll investigate and
resubmit with a fix soon.
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Context:
When setting a breakpoint by name, we invoke Module::FindFunctions to
find the function(s) in question. However, we use a Module::LookupInfo
to first process the user-provided name and figure out exactly what
we're looking for. When we actually perform the function lookup, we
search for the basename. After performing the search, we then filter out
the results using Module::LookupInfo::Prune. For example, given
a::b::foo we would first search for all instances of foo and then filter
out the results to just names that have a::b::foo in them. As one can
imagine, this involves a lot of debug info processing that we do not
necessarily need to be doing. Instead of doing one large post-processing
step after finding each instance of `foo`, we can filter them as we go
to save time.
Some numbers:
Debugging LLDB and placing a breakpoint on
llvm::itanium_demangle::StringView::begin without this change takes
approximately 70 seconds and resolves 31,920 DIEs. With this change,
placing the breakpoint takes around 30 seconds and resolves 8 DIEs.
Differential Revision: https://reviews.llvm.org/D129682
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Identified with readability-redundant-member-init.
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Most of our code was including Log.h even though that is not where the
"lldb" log channel is defined (Log.h defines the generic logging
infrastructure). This worked because Log.h included Logging.h, even
though it should.
After the recent refactor, it became impossible the two files include
each other in this direction (the opposite inclusion is needed), so this
patch removes the workaround that was put in place and cleans up all
files to include the right thing. It also renames the file to LLDBLog to
better reflect its purpose.
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Rather than passing two booleans around, which is especially error prone
with them being next to each other, use a struct with named fields
instead.
Differential revision: https://reviews.llvm.org/D107295
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We can extend/modify `GetMethodNameVariants` to suit our purposes here.
What symtab is looking for is alternate names we may want to use to
search for a specific symbol, and asking for variants of a name makes
the most sense here.
Differential Revision: https://reviews.llvm.org/D104067
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A long time ago LLDB wanted to start using StringRef instead of
C-Strings/ConstString but was blocked by the fact that the StringRef constructor
that takes a C-string was asserting that the C-string isn't a nullptr. To
workaround this, D24697 introduced a special function called `withNullAsEmpty`
and that's what LLDB (and only LLDB) started to use to build StringRefs from
C-strings.
A bit later it seems that `withNullAsEmpty` was declared too awkward to use and
instead the assert in the StringRef constructor got removed (see D24904). The
rest of LLDB was then converted to StringRef by just calling the now perfectly
usable implicit constructor.
However, all the calls to `withNullAsEmpty` just remained and are now just
strange artefacts in the code base that just look out of place. It's also
curiously a LLDB-exclusive function and no other project ever called it since
it's introduction half a decade ago.
This patch removes all uses of `withNullAsEmpty`. The follow up will be to
remove the function from StringRef.
Reviewed By: JDevlieghere
Differential Revision: https://reviews.llvm.org/D102597
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Replace calls to FooWithFormat() with calls to Foo() when only one
argument is provided and the given string doesn't need to be formatted.
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Summary:
This commit just tries to invert some `if`'s logic to
`return`/`continue` early.
Reviewers: jankratochvil, teemperor
Reviewed By: jankratochvil, teemperor
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D77377
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breakpoint
This prevents calling Breakpoint::shared_from_this of an object that is not owned by any shared_ptr.
Differential Revision: https://reviews.llvm.org/D74557
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pointers
Summary:
All of our lookup APIs either use `CompilerDeclContext &` or `CompilerDeclContext *` semi-randomly it seems.
This leads to us constantly converting between those two types (and doing nullptr checks when going from
pointer to reference). It also leads to the confusing situation where we have two possible ways to express
that we don't have a CompilerDeclContex: either a nullptr or an invalid CompilerDeclContext (aka a default
constructed CompilerDeclContext).
This moves all APIs to use references and gets rid of all the nullptr checks and conversions.
Reviewers: labath, mib, shafik
Reviewed By: labath, shafik
Subscribers: shafik, arphaman, abidh, JDevlieghere, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D74607
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StringRef conversions
StringRef will call strlen on the C string which is inefficient (as ConstString already
knows the string lenght and so does StringRef). This patch replaces all those calls
with GetStringRef() which doesn't recompute the length.
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This is how it should've been and brings it more in line with
std::string_view. There should be no functional change here.
This is mostly mechanical from a custom clang-tidy check, with a lot of
manual fixups. It uncovers a lot of minor inefficiencies.
This doesn't actually modify StringRef yet, I'll do that in a follow-up.
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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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This patch removes the size_t return value and the append parameter
from the remainder of the Find.* functions in LLDB's internal API. As
in the previous patches, this is motivated by the fact that these
parameters aren't really used, and in the case of the append parameter
were frequently implemented incorrectly.
Differential Revision: https://reviews.llvm.org/D69119
llvm-svn: 375160
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Summary:
The SearchCallback has a bool parameter that we always set to false, we never use in any callback implementation and that also changes its name
from one file to the other (either `containing` and `complete`). It was added in the original LLDB check in, so there isn't any history what
this was supposed to be, so let's just remove it.
Reviewers: jingham, JDevlieghere, labath
Reviewed By: jingham, labath
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D68696
llvm-svn: 374313
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There is now std::shared_ptr passed around which is expensive for manycore
CPUs. Most of the times (except for 3 cases) it is now just std::moved with no
CPU locks needed. It also makes it possible to sort the keys (which is now not
needed much after D66398).
Differential revision: https://reviews.llvm.org/D67049
llvm-svn: 370863
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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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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 replaces explicit calls to log::Printf with the new LLDB_LOGF
macro. The macro is similar to LLDB_LOG but supports printf-style format
strings, instead of formatv-style format strings.
So instead of writing:
if (log)
log->Printf("%s\n", str);
You'd write:
LLDB_LOG(log, "%s\n", str);
This change was done mechanically with the command below. I replaced the
spurious if-checks with vim, since I know how to do multi-line
replacements with it.
find . -type f -name '*.cpp' -exec \
sed -i '' -E 's/log->Printf\(/LLDB_LOGF\(log, /g' "{}" +
Differential revision: https://reviews.llvm.org/D65128
llvm-svn: 366936
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Summary:
Breakpoint shouldn't need to depend on any specific details from a
programming language. Currently the only language-specific detail it takes
advantage of are the different qualified names an objective-c method name might
have when adding a name lookup. This is reasonably generalizable.
The current method name I introduced is "GetVariantMethodNames", which I'm not
particularly tied to. If you have a better suggestion, please do let me know.
Reviewers: JDevlieghere, jingham, clayborg
Subscribers: mgorny, lldb-commits
Differential Revision: https://reviews.llvm.org/D61746
llvm-svn: 360509
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The CPlusPlus Language plugin is unused in lldbBreakpoint. We should just remove
it.
A great follow up to this change would be to remove the dependency on the ObjC
language plugin, but that is actually used and requires some refactoring.
llvm-svn: 360105
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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 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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This is similar to D53597, but following up with 2 more enums.
After this, all flag enums should be strongly typed all the way
through to the symbol files plugins.
Differential Revision: https://reviews.llvm.org/D53616
llvm-svn: 345314
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In a subsequent commit, I will need to expose the search depth
to the SB API's, so I'm moving this define into lldb-enumerations
where it will get added to the lldb module.
llvm-svn: 341690
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llvm-svn: 335711
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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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llvm-svn: 327331
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points."
This reverts commit r327318. It breaks the Xcode and CMake Darwin
builders:
clang: error: no such file or directory:
'.../source/Plugins/Architecture/PPC64/ArchitecturePPC64.cpp'
clang: error: no input files
More details are in https://reviews.llvm.org/D42582.
llvm-svn: 327327
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https://reviews.llvm.org/D42582
Patch from Leandro Lupori.
llvm-svn: 327318
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It was returning const std::string& which was leading to
unnecessary copies all over the place, and preventing people
from doing things like Dict->GetValueForKeyAsString("foo", ref);
llvm-svn: 302875
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