Summary:
Not handling this was a side-effect of being overly cautious when trying
to avoid reading files for which clangd doesn't have the source mapped.
Fixes https://github.com/clangd/clangd/issues/266
Reviewers: sammccall
Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet,
usaxena95, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D75286
Summary: Previously, we dropped the AST node for nonexistent member exprs.
Reviewers: sammccall
Subscribers: cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D76764
This has the same behavior as converting std::string_view to
std::string. This is an expensive conversion, so explicit conversions
are helpful for avoiding unneccessary string copies.
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.
Summary:
The historic behavior of TestTU is to gather diagnostics and otherwise ignore
them. So if a test has a syntax error, and doesn't assert diagnostics, it
silently misbehaves.
This can be annoying when developing tests, as evidenced by various tests
gaining "assert no diagnostics" where that's not really the point of the test.
This patch aims to make that default behavior. For the first error
(not warning), TestTU will call ADD_FAILURE().
This can be suppressed with a comment containing "error-ok". For now that will
suppress any errors in the TU. We can make this stricter later -verify style.
(-verify itself is hard to reuse because of DiagnosticConsumer interfaces...)
A magic-comment was chosen over a TestTU option because of table-driven tests.
In addition to the behavior change, this patch:
- adds //error-ok where we're knowingly testing invalid code
(e.g. for diagnostics, crash-resilience, or token-level tests)
- fixes a bunch of errors in the checked-in tests, mostly trivial (missing ;)
- removes a bunch of now-redundant instances of "assert no diagnostics"
Reviewers: kadircet
Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, usaxena95, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D73199
Summary:
LSP requires diagnostics to lay inside main file. In clangd we keep
diagnostics in three different cases:
- already in main file
- adjusted to a header included in main file
- has a note covering some range in main file
In the last case, we were not adjusting the diagnostics range to be in main
file, therefore these diagnostics ended up pointing some arbitrary locations.
This patch fixes that issue by adjusting the range of diagnostics to be the
first note inside main file when converting to LSP.
Reviewers: ilya-biryukov
Subscribers: MaskRay, jkorous, arphaman, usaxena95, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D72458
Summary:
Instead, emit a diagnostic and return an empty ASM node, as we do if the target
is missing.
Filter this diagnostic out in clangd, where it's not meaningful.
Fixes https://github.com/clangd/clangd/issues/222
Reviewers: kadircet
Subscribers: mgorny, ilya-biryukov, jkorous, arphaman, usaxena95, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D71189
As discussed offline, something different from `EXPECT_EQ` should be
used to check if the container contains enough items before accessing
them so that other tests can still be run even if the assertion fails as
opposed to having `EXPECT_EQ` failing and then aborting the run due to
the errors caused by out-of-bounds memory access.
Reviewed by: ilya-biryukov
Differential Revision: https://reviews.llvm.org/D70528
Summary:
Diagnostic locations were broken when it was result of a macro
expansion. This patch fixes it by using expansion location instead of location
inside macro body.
Fixes https://github.com/clangd/clangd/issues/201.
Reviewers: hokein
Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, usaxena95, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D70494
This much better reflects what is (now) in this header.
Maybe a rename to ParsedTU would be an improvement, but that's a much
more invasive change and life is too short.
ClangdUnit is dead, long live ClangdUnitTests!
llvm-svn: 370862
Summary: This would fix that we show weird diagnostics on random lines of the main file.
Reviewers: ilya-biryukov
Subscribers: MaskRay, jkorous, arphaman, kadircet, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D66074
llvm-svn: 368549
Summary:
Computing lazily leads to crashes. In particular, computing scopes may
produce diagnostics (from inside template instantiations) and we
currently do it when processing another diagnostic, which leads to
crashes.
Moreover, we remember and access 'Scope*' when computing scopes. This
might lead to invalid memory access if the Scope is deleted by the time
we run the delayed computation. We did not actually construct an example
when this happens, though.
From the VCS and review history, it seems the optimization was
introduced in the initial version without a mention of any performance
benchmarks justifying the performance gains. This led me to a
conclusion that the optimization was premature, so removing it to avoid
crashes seems like the right trade-off at that point.
Reviewers: sammccall
Reviewed By: sammccall
Subscribers: MaskRay, jkorous, arphaman, kadircet, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D65796
llvm-svn: 368019
Summary:
This fixes a case where we show diagnostics on arbitrary lines, in an
internal codebase.
Open for ideas on unittesting this.
Reviewers: ilya-biryukov
Subscribers: MaskRay, jkorous, arphaman, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D64863
llvm-svn: 367303
Summary:
Clang-tidy checks may emit duplicated messages (clang-tidy tool
deduplicate them in its custom diagnostic consumer), and we may show
multiple duplicated diagnostics in the UI, which is really bad.
This patch makes clangd do the deduplication, and revert the change
rL363889.
Reviewers: sammccall
Subscribers: ilya-biryukov, MaskRay, jkorous, mgrang, arphaman, kadircet, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D64127
llvm-svn: 365204
Summary:
We strip the "[clang-tidy-check]" suffix from the clang-tidy diagnostics, we
should be consistent with the message in FixIt (strip the suffix as well).
Reviewers: sammccall
Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D63926
llvm-svn: 364731
Summary:
This builds on the relations support added in D59407, D62459,
and D62471 to expose relations in SymbolIndex and its
implementations.
Reviewers: kadircet
Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D62839
llvm-svn: 363481
Summary:
- Fixed diagnostics where zero width inserted ranges were being used instead of the whole token
- Added unit tests
Patch by @SureYeaah !
Reviewers: sammccall, kadircet
Reviewed By: kadircet
Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, cfe-commits
Tags: #clang-tools-extra, #clang
Differential Revision: https://reviews.llvm.org/D63222
llvm-svn: 363253
Summary: A temporary workaround until we figure out a better way to present fixes.
Reviewers: kadircet
Reviewed By: kadircet
Subscribers: MaskRay, jkorous, arphaman, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D62372
llvm-svn: 361625
Add an initial '::' qualifier to all usages of 'testing' namespace that
did not have one.
The goal is to make our code style in tests more consistent.
llvm-svn: 360026
Summary:
Motivation:
- this layout is a pain to work with
- without a common root, it's painful to express things like "disable clangd" (D61122)
- CMake/lit configs are a maintenance hazard, and the more the one-off hacks
for various tools are entangled, the more we see apathy and non-ownership.
This attempts to use the bare-minimum configuration needed (while still
supporting the difficult cases: windows, standalone clang build, dynamic libs).
In particular the lit.cfg.py and lit.site.cfg.py.in are merged into lit.cfg.in.
The logic in these files is now minimal.
(Much of clang-tools-extra's lit configs can probably be cleaned up by reusing
lit.llvm.llvm_config.use_clang(), and every llvm project does its own version of
LDPATH mangling. I haven't attempted to fix any of those).
Docs are still in clang-tools-extra/docs, I don't have any plans to touch those.
Reviewers: gribozavr
Subscribers: mgorny, javed.absar, MaskRay, jkorous, arphaman, kadircet, jfb, cfe-commits, ilya-biryukov, thakis
Tags: #clang
Differential Revision: https://reviews.llvm.org/D61187
llvm-svn: 359424
Nathan Ridge