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Summary:
There were a few different places where we canonicalized paths, each
one had its own flavor. This patch tries to unify them all under one place.
Reviewers: ilya-biryukov
Subscribers: ioeric, MaskRay, jkorous, arphaman, cfe-commits
Differential Revision: https://reviews.llvm.org/D55818
llvm-svn: 349618
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Summary:
Currently, there's no way of knowing about header files
using compilation database, since it doesn't contain header files as entries.
Using this information, restoring from cache using compile commands becomes
possible instead of doing directory traversal. Also, we can issue indexing
actions for out-of-date headers even if source files depending on them haven't
changed.
Reviewers: sammccall
Subscribers: ilya-biryukov, ioeric, MaskRay, jkorous, arphaman, cfe-commits
Differential Revision: https://reviews.llvm.org/D54817
llvm-svn: 347669
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characters are removed from the document
Summary:
See http://lists.llvm.org/pipermail/clangd-dev/2018-October/000171.html for context.
I kept the error (instead of downgrading to a log message) since the range lengths differing does indicate either a bug in the client or server range calculation or the buffers being out of sync (which both seems serious enough to me to be an error). If any existing clients aside from VSCode break they should only break when accidentally typing a Unicode character which should only be a minor nuisance for a little while until the bug is fixed in the respective client.
Patch by Daan De Meyer!
Reviewers: sammccall
Reviewed By: sammccall
Subscribers: ilya-biryukov, ioeric, jkorous, arphaman, kadircet, cfe-commits
Tags: #clang-tools-extra
Differential Revision: https://reviews.llvm.org/D53527
llvm-svn: 345020
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Summary:
Completion replies contains textEdits as well. Note that this change
relies on https://reviews.llvm.org/D50443.
Reviewers: ilya-biryukov
Reviewed By: ilya-biryukov
Subscribers: mgrang, ioeric, MaskRay, jkorous, arphaman, cfe-commits
Differential Revision: https://reviews.llvm.org/D50449
llvm-svn: 339543
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Summary:
When compile_commands.json contains some source files expressed as
relative paths, we can get duplicate responses to findDefinitions. The
responses only differ by the URI, which are different versions of the
same file:
"result": [
{
...
"uri": "file:///home/emaisin/src/ls-interact/cpp-test/build/../src/first.h"
},
{
...
"uri": "file:///home/emaisin/src/ls-interact/cpp-test/src/first.h"
}
]
In getAbsoluteFilePath, we try to obtain the realpath of the FileEntry
by calling tryGetRealPathName. However, this can fail and return an
empty string. It may be bug a bug in clang, but in any case we should
fall back to computing it ourselves if it happens.
I changed getAbsoluteFilePath so that if tryGetRealPathName succeeds, we
return right away (a real path is always absolute). Otherwise, we try
to build an absolute path, as we did before, but we also call
VFS->getRealPath to make sure to get the canonical path (e.g. without
any ".." in it).
Reviewers: malaperle
Subscribers: hokein, ilya-biryukov, ioeric, MaskRay, jkorous, cfe-commits
Differential Revision: https://reviews.llvm.org/D48687
llvm-svn: 339483
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versa.
Summary: Added functionality to suggest FixIts for conversion of '->' to '.' and vice versa.
Reviewers: ilya-biryukov
Reviewed By: ilya-biryukov
Subscribers: yvvan, ioeric, jkorous, arphaman, cfe-commits, kadircet
Differential Revision: https://reviews.llvm.org/D50193
llvm-svn: 339224
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Summary:
An AST-based approach is used to retrieve the document symbols rather than an
in-memory index query. The index is not an ideal fit to achieve this because of
the file-centric query being done here whereas the index is suited for
project-wide queries. Document symbols also includes more symbols and need to
keep the order as seen in the file.
Signed-off-by: Marc-Andre Laperle <marc-andre.laperle@ericsson.com>
Subscribers: tomgr, ilya-biryukov, ioeric, MaskRay, jkorous, cfe-commits
Differential Revision: https://reviews.llvm.org/D47846
llvm-svn: 336386
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Reviewers: ilya-biryukov
Reviewed By: ilya-biryukov
Subscribers: klimek, MaskRay, jkorous, cfe-commits
Differential Revision: https://reviews.llvm.org/D46670
llvm-svn: 332089
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Summary:
The Language Server Protocol unfortunately mandates that locations in files
be represented by line/column pairs, where the "column" is actually an index
into the UTF-16-encoded text of the line.
(This is because VSCode is written in JavaScript, which is UTF-16-native).
Internally clangd treats source files at UTF-8, the One True Encoding, and
generally deals with byte offsets (though there are exceptions).
Before this patch, conversions between offsets and LSP Position pretended
that Position.character was UTF-8 bytes, which is only true for ASCII lines.
Now we examine the text to convert correctly (but don't actually need to
transcode it, due to some nice details of the encodings).
The updated functions in SourceCode are the blessed way to interact with
the Position.character field, and anything else is likely to be wrong.
So I also updated the other accesses:
- CodeComplete needs a "clang-style" line/column, with column in utf-8 bytes.
This is now converted via Position -> offset -> clang line/column
(a new function is added to SourceCode.h for the second conversion).
- getBeginningOfIdentifier skipped backwards in UTF-16 space, which is will
behave badly when it splits a surrogate pair. Skipping backwards in UTF-8
coordinates gives the lexer a fighting chance of getting this right.
While here, I clarified(?) the logic comments, fixed a bug with identifiers
containing digits, simplified the signature slightly and added a test.
This seems likely to cause problems with editors that have the same bug, and
treat the protocol as if columns are UTF-8 bytes. But we can find and fix those.
Reviewers: hokein
Subscribers: klimek, ilya-biryukov, ioeric, MaskRay, jkorous, cfe-commits
Differential Revision: https://reviews.llvm.org/D46035
llvm-svn: 331029
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Summary:
This is a basic implementation of the "workspace/symbol" request which is
used to find symbols by a string query. Since this is similar to code completion
in terms of result, this implementation reuses the "fuzzyFind" in order to get
matches. For now, the scoring algorithm is the same as code completion and
improvements could be done in the future.
The index model doesn't contain quite enough symbols for this to cover
common symbols like methods, enum class enumerators, functions in unamed
namespaces, etc. The index model will be augmented separately to achieve this.
Reviewers: sammccall, ilya-biryukov
Reviewed By: sammccall
Subscribers: jkorous, hokein, simark, sammccall, klimek, mgorny, ilya-biryukov, mgrang, jkorous-apple, ioeric, MaskRay, cfe-commits
Differential Revision: https://reviews.llvm.org/D44882
llvm-svn: 330637
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Summary:
To implement incremental document syncing, we want to verify that the
ranges provided by the front-end are valid. Currently, positionToOffset
deals with invalid Positions by returning 0 or Code.size(), which are
two valid offsets. Instead, return an llvm:Expected<size_t> with an
error if the position is invalid.
According to the LSP, if the character value exceeds the number of
characters of the given line, it should default back to the end of the
line. It makes sense in some contexts to have this behavior, and does
not in other contexts. The AllowColumnsBeyondLineLength parameter
allows to decide what to do in that case, default back to the end of the
line, or return an error.
Reviewers: ilya-biryukov
Subscribers: klimek, ilya-biryukov, jkorous-apple, ioeric, cfe-commits
Differential Revision: https://reviews.llvm.org/D44673
llvm-svn: 328100
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Summary:
The new implementation attaches notes to diagnostic message and shows
the original diagnostics in the message of the note.
Reviewers: hokein, ioeric, sammccall
Reviewed By: sammccall
Subscribers: klimek, mgorny, cfe-commits, jkorous-apple
Differential Revision: https://reviews.llvm.org/D44142
llvm-svn: 327282
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Summary: ctrl-clicking on #include statements now opens the file being pointed by that statement.
Reviewers: malaperle, krasimir, bkramer, ilya-biryukov
Reviewed By: ilya-biryukov
Subscribers: jkorous-apple, ioeric, mgrang, klimek, ilya-biryukov, arphaman, cfe-commits
Differential Revision: https://reviews.llvm.org/D38639
llvm-svn: 325662
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Summary:
- Moved these functions to SourceCode.h
- added unit tests
- fix off by one in positionToOffset: Offset - 1 in final calculation was wrong
- fixed formatOnType which had an equal and opposite off-by-one
- positionToOffset and offsetToPosition both consistently clamp to beginning/end
of file when input is out of range
- gave variables more descriptive names
- removed windows line ending fixmes where there is nothing to fix
- elaborated on UTF-8 fixmes
This will conflict with Eric's D41281, but in a pretty easy-to-resolve way.
Reviewers: ioeric
Subscribers: klimek, mgorny, ilya-biryukov, cfe-commits
Differential Revision: https://reviews.llvm.org/D41351
llvm-svn: 321073
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