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These are identified by misc-include-cleaner. I've filtered out those
that break builds. Also, I'm staying away from llvm-config.h,
config.h, and Compiler.h, which likely cause platform- or
compiler-specific build failures.
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(#139584)"
This reverts commit e2a885537f11f8d9ced1c80c2c90069ab5adeb1d. Build failures were fixed right away and reverting the original commit without the fixes breaks the build again.
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(#139584)"
This reverts commit 9e306ad4600c4d3392c194a8be88919ee758425c.
Multiple builtbot failures have been reported:
https://github.com/llvm/llvm-project/pull/139584
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The `DiagnosticOptions` class is currently intrusively
reference-counted, which makes reasoning about its lifetime very
difficult in some cases. For example, `CompilerInvocation` owns the
`DiagnosticOptions` instance (wrapped in `llvm::IntrusiveRefCntPtr`) and
only exposes an accessor returning `DiagnosticOptions &`. One would
think this gives `CompilerInvocation` exclusive ownership of the object,
but that's not the case:
```c++
void shareOwnership(CompilerInvocation &CI) {
llvm::IntrusiveRefCntPtr<DiagnosticOptions> CoOwner = &CI.getDiagnosticOptions();
// ...
}
```
This is a perfectly valid pattern that is being actually used in the
codebase.
I would like to ensure the ownership of `DiagnosticOptions` by
`CompilerInvocation` is guaranteed to be exclusive. This can be
leveraged for a copy-on-write optimization later on. This PR changes
usages of `DiagnosticOptions` across `clang`, `clang-tools-extra` and
`lldb` to not be intrusively reference-counted.
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These classes are not specific to clang and useful for other rewriter
tools (flagged in previous review).
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This is a follow-up for 721dd3bc2 [analyzer] NFC: Don't regenerate
duplicate HTML reports.
Because HTMLRewriter re-runs the Lexer for syntax highlighting and macro
expansion purposes, it may get fairly expensive when the rewriter is
invoked multiple times on the same file. In the static analyzer (which
uses HTMLRewriter for HTML output mode) we only get away with this
because there are usually very few reports emitted per file. But if loud
checkers are enabled, such as `webkit.*`, this may explode in complexity
and even cause the compiler to run over the 32-bit SourceLocation
addressing limit.
This patch caches intermediate results so that re-lexing only needed to
happen once.
As the clever __COUNTER__ test demonstrates, "once" is still too many.
Ideally we shouldn't re-lex anything at all, which remains a TODO.
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With C++17 there is no Clang pedantic warning or MSVC C5051.
Reviewed By: aaron.ballman
Differential Revision: https://reviews.llvm.org/D131346
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Identified with modernize-use-bool-literals.
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This avoids an unnecessary copy required by 'return OS.str()', allowing
instead for NRVO or implicit move. The .str() call (which flushes the
stream) is no longer required since 65b13610a5226b84889b923bae884ba395ad084d,
which made raw_string_ostream unbuffered by default.
Differential Revision: https://reviews.llvm.org/D115374
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In some cases, when the execution path of the diagnostic
goes back and forth, arrows can overlap and create a mess.
Dimming arrows that are not relevant at the moment, solves this issue.
They are still visible, but don't draw too much attention.
Differential Revision: https://reviews.llvm.org/D92928
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This commit adds a very first version of this feature.
It is off by default and has to be turned on by checking the
corresponding box. For this reason, HTML reports still keep
control notes (aka grey bubbles).
Further on, we plan on attaching arrows to events and having all arrows
not related to a currently selected event barely visible. This will
help with reports where control flow goes back and forth (eg in loops).
Right now, it can get pretty crammed with all the arrows.
Differential Revision: https://reviews.llvm.org/D92639
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Update `Lexer` / `Lexer::Lexer` to use `MemoryBufferRef` instead of
`MemoryBuffer*`. Callers that were acquiring a `MemoryBuffer*` via
`SourceManager::getBuffer` were updated, such that if they checked
`Invalid` they use `getBufferOrNone` and otherwise `getBufferOrFake`.
Differential Revision: https://reviews.llvm.org/D89398
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Update clang/lib/Format and clang/lib/Rewrite to use a `MemoryBufferRef`
from `getBufferOrFake` instead of `MemoryBuffer*` from `getBuffer`.
No functionality change here, since the call sites weren't checking if
the buffer was valid.
Differential Revision: https://reviews.llvm.org/D89406
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Summary:
This new piece is similar to our macro expansion printing in HTML reports:
On mouse-hover event it pops up on variables. Similar to note pieces it
supports `plist` diagnostics as well.
It is optional, on by default: `add-pop-up-notes=true`.
Extra: In HTML reports `background-color: LemonChiffon` was too light,
changed to `PaleGoldenRod`.
Reviewers: NoQ, alexfh
Reviewed By: NoQ
Subscribers: cfe-commits, gerazo, gsd, george.karpenkov, alexfh, xazax.hun,
baloghadamsoftware, szepet, a.sidorin, mikhail.ramalho,
Szelethus, donat.nagy, dkrupp
Tags: #clang
Differential Revision: https://reviews.llvm.org/D60670
llvm-svn: 362014
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Summary:
By adding a hook to consume all tokens produced by the preprocessor.
The intention of this change is to make it possible to consume the
expanded tokens without re-runnig the preprocessor with minimal changes
to the preprocessor and minimal performance penalty when preprocessing
without recording the tokens.
The added hook is very low-level and reconstructing the expanded token
stream requires more work in the client code, the actual algorithm to
collect the tokens using this hook can be found in the follow-up change.
Reviewers: rsmith
Reviewed By: rsmith
Subscribers: eraman, nemanjai, kbarton, jsji, riccibruno, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D59885
llvm-svn: 361007
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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 should not introduce any behavior changes. It consists of
mostly one of two changes:
1. Replacing fall through comments with the LLVM_FALLTHROUGH macro
2. Inserting 'break' before falling through into a case block consisting
of only 'break'.
We were already using this warning with GCC, but its warning behaves
slightly differently. In this patch, the following differences are
relevant:
1. GCC recognizes comments that say "fall through" as annotations, clang
doesn't
2. GCC doesn't warn on "case N: foo(); default: break;", clang does
3. GCC doesn't warn when the case contains a switch, but falls through
the outer case.
I will enable the warning separately in a follow-up patch so that it can
be cleanly reverted if necessary.
Reviewers: alexfh, rsmith, lattner, rtrieu, EricWF, bollu
Differential Revision: https://reviews.llvm.org/D53950
llvm-svn: 345882
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sed -Ei 's/[[:space:]]+$//' include/**/*.{def,h,td} lib/**/*.{cpp,h}
llvm-svn: 338291
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When a '>>' token is split into two '>' tokens (in C++11 onwards), or (as an
extension) when we do the same for other tokens starting with a '>', we can't
just use a location pointing to the first '>' as the location of the split
token, because that would result in our miscomputing the length and spelling
for the token. As a consequence, for example, a refactoring replacing 'A<X>'
with something else would sometimes replace one character too many, and
similarly diagnostics highlighting a template-id source range would highlight
one character too many.
Fix this by creating an expansion range covering the first character of the
'>>' token, whose spelling is '>'. For this to work, we generalize the
expansion range of a macro FileID to be either a token range (the common case)
or a character range (used in this new case).
llvm-svn: 331155
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Analyzing problems which appear in scan-build results can be very
difficult, as after the launch no exact invocation is stored, and it's
super-hard to launch the debugger.
With this patch, the exact analyzer invocation appears in the footer,
and can be copied to debug/check reproducibility/etc.
rdar://35980230
llvm-svn: 323245
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llvm-svn: 323244
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Make the help window accessible, but don't show by default.
Use a different CSS class from macro.
llvm-svn: 322750
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HTML diagnostics can be an overwhelming blob of pages of code.
This patch adds a checkbox which filters this list down to only the
lines *relevant* to the counterexample by e.g. skipping branches which
analyzer has assumed to be infeasible at a time.
The resulting amount of output is much smaller, and often fits on one
screen, and also provides a much more readable diagnostics.
Differential Revision: https://reviews.llvm.org/D41378
llvm-svn: 322612
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Differential Revision: https://reviews.llvm.org/D41414
llvm-svn: 321320
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This change adds support for cross-file diagnostic paths in html output. If the
diagnostic path is not cross-file, there is no change in the output.
Patch by Vlad Tsyrklevich!
Differential Revision: https://reviews.llvm.org/D30406
llvm-svn: 309968
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llvm-svn: 304647
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The problem that caused the msvc crash has been indentified and fixed
in the previous commit. This patch contains the rest of r283092.
llvm-svn: 283584
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Vector of smart pointers wasn't the thing that caused msvc crash.
llvm-svn: 283537
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Replace SmallVector<IntrusiveRefCntPtr> with a vector of plain pointers.
Would insignificantly increase memory usage.
llvm-svn: 283536
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This reverts commit r283092.
llvm-svn: 283180
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These diagnostics are separate from the path-sensitive engine's path notes,
and can be added manually on top of path-sensitive or path-insensitive reports.
The new note diagnostics would appear as note:-diagnostic on console and
as blue bubbles in scan-build. In plist files they currently do not appear,
because format needs to be discussed with plist file users.
The analyzer option "-analyzer-config notes-as-events=true" would convert
notes to normal path notes, and put them at the beginning of the path.
This is a temporary hack to show the new notes in plist files.
A few checkers would be updated in subsequent commits,
including tests for this new feature.
Differential Revision: https://reviews.llvm.org/D24278
llvm-svn: 283092
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llvm-svn: 283043
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This fixes rounded corners and shadows of analyzer diagnostic pieces
in browsers such as Firefox.
Differential Revision: https://reviews.llvm.org/D23272
llvm-svn: 281625
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While this won't help fix things like the bug that r260219 addressed, it
seems like good tidy up to have anyway.
(it might be nice if "makeArrayRef" always produced a MutableArrayRef &
let it decay to an ArrayRef when needed - then I'd use that for the
MutableArrayRefs in this patch)
If we had std::dynarray I'd use that instead of unique_ptr+size_t,
ideally (but then it'd have to be threaded down through the Preprocessor
all the way - no idea how painful that would be)
llvm-svn: 260246
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The rewrite facility's footprint is small so it's not worth going to these
lengths to support disabling at configure time, particularly since key compiler
features now depend on it.
Meanwhile the Objective-C rewriters have been moved under the
ENABLE_CLANG_ARCMT umbrella for now as they're comparatively heavy and still
potentially worth excluding from lightweight builds.
Tests are now passing with any combination of feature flags. The flags
historically haven't been tested by LLVM's build servers so caveat emptor.
llvm-svn: 213171
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This is similar to how we divide up the StaticAnalyzer libraries to separate
core functionality to what is clearly associated with Frontend actions.
llvm-svn: 163050
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llvm-svn: 161153
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The preprocessor's handling of diagnostic push/pops is stateful, so
encountering pragmas during a re-parse causes problems. HTMLRewrite
already filters out normal # directives including #pragma, so it's
clear it's not expected to be interpreting pragmas in this mode.
This fix adds a flag to Preprocessor to explicitly disable pragmas.
The "right" fix might be to separate pragma lexing from pragma
parsing so that we can throw away pragmas like we do preprocessor
directives, but right now it's important to get the fix in.
Note that this has nothing to do with the "hack" of re-using the
input preprocessor in HTMLRewrite. Even if we someday copy the
preprocessor instead of re-using it, the copy would (and should) include
the diagnostic level tables and have the same problems.
llvm-svn: 158214
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(Lex to AST).
The member variable is always "LangOpts" and the member function is always "getLangOpts".
Reviewed by Chris Lattner
llvm-svn: 152536
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grammar requires a string-literal and not a user-defined-string-literal. The
two constructs are still represented by the same TokenKind, in order to prevent
a combinatorial explosion of different kinds of token. A flag on Token tracks
whether a ud-suffix is present, in order to prevent clients from needing to look
at the token's spelling.
llvm-svn: 152098
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operator overloads out of line.
This seems to negatively affect compile time onsome ObjC tests
(which use a lot of partial diagnostics I assume). I have to come
up with a way to keep them inline without including Diagnostic.h
everywhere. Now adding a new diagnostic requires a full rebuild
of e.g. the static analyzer which doesn't even use those diagnostics.
This reverts commit 6496bd10dc3a6d5e3266348f08b6e35f8184bc99.
This reverts commit 7af19b817ba964ac560b50c1ed6183235f699789.
This reverts commit fdd15602a42bbe26185978ef1e17019f6d969aa7.
This reverts commit 00bd44d5677783527d7517c1ffe45e4d75a0f56f.
This reverts commit ef9b60ffed980864a8db26ad30344be429e58ff5.
llvm-svn: 150006
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(I was going to fix the TODO about DenseMap too, but
that would break self-host right now. See PR11922.)
llvm-svn: 149799
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- Move the offending methods out of line and fix transitive includers.
- This required changing an enum in the PPCallback API into an unsigned.
llvm-svn: 149782
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llvm-svn: 148567
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appropriate or when GCC requires it)
llvm-svn: 148292
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we have the ability to create a new, distict diagnostic consumer when
we go off and build a module. This avoids the currently horribleness
where the same diagnostic consumer sees diagnostics for multiple
translation units (and multiple SourceManagers!) causing all sorts of havok.
llvm-svn: 140743
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llvm-svn: 140493
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llvm-svn: 140480
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llvm-svn: 140479
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llvm-svn: 140478
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