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[clangd] Support multiple cursors in selectionRange.

Summary:
One change: because there's no way to signal failure individually for
each cursor, we now "succeed" with an empty range with no parent if a
cursor doesn't point at anything.

Reviewers: usaxena95

Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D76741
This commit is contained in:
Sam McCall 2020-03-25 00:51:50 +01:00
parent c9838f5f9f
commit a95e919d47

View File

@ -68,12 +68,14 @@ public:
/// Crashes if there isn't exactly one. /// Crashes if there isn't exactly one.
size_t point(llvm::StringRef Name = "") const; size_t point(llvm::StringRef Name = "") const;
/// Returns the position of all points marked by ^ (or $name^) in the text. /// Returns the position of all points marked by ^ (or $name^) in the text.
/// Order matches the order within the text.
std::vector<size_t> points(llvm::StringRef Name = "") const; std::vector<size_t> points(llvm::StringRef Name = "") const;
/// Returns the location of the range marked by [[ ]] (or $name[[ ]]). /// Returns the location of the range marked by [[ ]] (or $name[[ ]]).
/// Crashes if there isn't exactly one. /// Crashes if there isn't exactly one.
Range range(llvm::StringRef Name = "") const; Range range(llvm::StringRef Name = "") const;
/// Returns the location of all ranges marked by [[ ]] (or $name[[ ]]). /// Returns the location of all ranges marked by [[ ]] (or $name[[ ]]).
/// They are ordered by start position within the text.
std::vector<Range> ranges(llvm::StringRef Name = "") const; std::vector<Range> ranges(llvm::StringRef Name = "") const;
private: private: