diff options
Diffstat (limited to 'clang/lib/Format/BreakableToken.h')
| -rw-r--r-- | clang/lib/Format/BreakableToken.h | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/clang/lib/Format/BreakableToken.h b/clang/lib/Format/BreakableToken.h index 157bff4c42f..100bb19dc5d 100644 --- a/clang/lib/Format/BreakableToken.h +++ b/clang/lib/Format/BreakableToken.h @@ -33,7 +33,7 @@ struct FormatStyle; /// strategy into the class, instead of controlling it from the outside. class BreakableToken { public: - // Contains starting character index and length of split. + /// \brief Contains starting character index and length of split. typedef std::pair<StringRef::size_type, unsigned> Split; virtual ~BreakableToken() {} @@ -41,13 +41,15 @@ public: /// \brief Returns the number of lines in this token in the original code. virtual unsigned getLineCount() const = 0; - /// \brief Returns the rest of the length of the line at \p LineIndex, - /// when broken at \p TailOffset. + /// \brief Returns the number of columns required to format the piece of line + /// at \p LineIndex, from byte offset \p Offset with length \p Length. /// - /// Note that previous breaks are not taken into account. \p TailOffset - /// is always specified from the start of the (original) line. - virtual unsigned getLineLengthAfterSplit(unsigned LineIndex, - unsigned TailOffset) const = 0; + /// Note that previous breaks are not taken into account. \p Offset is always + /// specified from the start of the (original) line. + /// \p Length can be set to StringRef::npos, which means "to the end of line". + virtual unsigned + getLineLengthAfterSplit(unsigned LineIndex, unsigned Offset, + StringRef::size_type Length) const = 0; /// \brief Returns a range (offset, length) at which to break the line at /// \p LineIndex, if previously broken at \p TailOffset. If possible, do not @@ -80,7 +82,8 @@ class BreakableSingleLineToken : public BreakableToken { public: virtual unsigned getLineCount() const; virtual unsigned getLineLengthAfterSplit(unsigned LineIndex, - unsigned TailOffset) const; + unsigned TailOffset, + StringRef::size_type Length) const; virtual void insertBreak(unsigned LineIndex, unsigned TailOffset, Split Split, bool InPPDirective, WhitespaceManager &Whitespaces); @@ -139,7 +142,8 @@ public: virtual unsigned getLineCount() const; virtual unsigned getLineLengthAfterSplit(unsigned LineIndex, - unsigned TailOffset) const; + unsigned TailOffset, + StringRef::size_type Length) const; virtual Split getSplit(unsigned LineIndex, unsigned TailOffset, unsigned ColumnLimit) const; virtual void insertBreak(unsigned LineIndex, unsigned TailOffset, Split Split, |
