2017-12-20 01:06:07 +08:00
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//===--- XRefs.h ------------------------------------------------*- C++-*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===---------------------------------------------------------------------===//
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//
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// Features that traverse references between symbols.
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//
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//===---------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANGD_XREFS_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANGD_XREFS_H
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#include "ClangdUnit.h"
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#include "Protocol.h"
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2018-04-30 23:24:17 +08:00
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#include "index/Index.h"
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2017-12-20 01:06:07 +08:00
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#include <vector>
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namespace clang {
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namespace clangd {
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/// Get definition of symbol at a specified \p Pos.
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2018-04-30 23:24:17 +08:00
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std::vector<Location> findDefinitions(ParsedAST &AST, Position Pos,
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const SymbolIndex *Index = nullptr);
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2017-12-20 01:06:07 +08:00
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/// Returns highlights for all usages of a symbol at \p Pos.
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[clangd] Pass Context implicitly using TLS.
Summary:
Instead of passing Context explicitly around, we now have a thread-local
Context object `Context::current()` which is an implicit argument to
every function.
Most manipulation of this should use the WithContextValue helper, which
augments the current Context to add a single KV pair, and restores the
old context on destruction.
Advantages are:
- less boilerplate in functions that just propagate contexts
- reading most code doesn't require understanding context at all, and
using context as values in fewer places still
- fewer options to pass the "wrong" context when it changes within a
scope (e.g. when using Span)
- contexts pass through interfaces we can't modify, such as VFS
- propagating contexts across threads was slightly tricky (e.g.
copy vs move, no move-init in lambdas), and is now encapsulated in
the threadpool
Disadvantages are all the usual TLS stuff - hidden magic, and
potential for higher memory usage on threads that don't use the
context. (In practice, it's just one pointer)
Reviewers: ilya-biryukov
Subscribers: klimek, jkorous-apple, ioeric, cfe-commits
Differential Revision: https://reviews.llvm.org/D42517
llvm-svn: 323872
2018-01-31 21:40:48 +08:00
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std::vector<DocumentHighlight> findDocumentHighlights(ParsedAST &AST,
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Position Pos);
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2017-12-20 01:06:07 +08:00
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[clangd] Implement textDocument/hover
Summary: Implemention of textDocument/hover as described in LSP definition.
This patch adds a basic Hover implementation. When hovering a variable,
function, method or namespace, clangd will return a text containing the
declaration's scope, as well as the declaration of the hovered entity.
For example, for a variable:
Declared in class Foo::Bar
int hello = 2
For macros, the macro definition is returned.
This patch doesn't include:
- markdown support (the client I use doesn't support it yet)
- range support (optional in the Hover response)
- comments associated to variables/functions/classes
They are kept as future work to keep this patch simpler.
I added tests in XRefsTests.cpp. hover.test contains one simple
smoketest to make sure the feature works from a black box perspective.
Reviewers: malaperle, krasimir, bkramer, ilya-biryukov
Subscribers: sammccall, mgrang, klimek, rwols, ilya-biryukov, arphaman, cfe-commits
Differential Revision: https://reviews.llvm.org/D35894
Signed-off-by: Simon Marchi <simon.marchi@ericsson.com>
Signed-off-by: William Enright <william.enright@polymtl.ca>
llvm-svn: 325395
2018-02-17 05:38:15 +08:00
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/// Get the hover information when hovering at \p Pos.
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Hover getHover(ParsedAST &AST, Position Pos);
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2017-12-20 01:06:07 +08:00
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} // namespace clangd
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} // namespace clang
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#endif
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