+ Message(Msg), LineContents(LineStr), Ranges(Ranges.vec()),
+ FixIts(Hints.begin(), Hints.end()) {
+ std::sort(FixIts.begin(), FixIts.end());
+}
+
+static void buildFixItLine(std::string &CaretLine, std::string &FixItLine,
+ ArrayRef<SMFixIt> FixIts, ArrayRef<char> SourceLine){
+ if (FixIts.empty())
+ return;
+
+ const char *LineStart = SourceLine.begin();
+ const char *LineEnd = SourceLine.end();
+
+ size_t PrevHintEndCol = 0;
+
+ for (ArrayRef<SMFixIt>::iterator I = FixIts.begin(), E = FixIts.end();
+ I != E; ++I) {
+ // If the fixit contains a newline or tab, ignore it.
+ if (I->getText().find_first_of("\n\r\t") != StringRef::npos)
+ continue;
+
+ SMRange R = I->getRange();
+
+ // If the line doesn't contain any part of the range, then ignore it.
+ if (R.Start.getPointer() > LineEnd || R.End.getPointer() < LineStart)
+ continue;
+
+ // Translate from SMLoc to column.
+ // Ignore pieces of the range that go onto other lines.
+ // FIXME: Handle multibyte characters in the source line.
+ unsigned FirstCol;
+ if (R.Start.getPointer() < LineStart)
+ FirstCol = 0;
+ else
+ FirstCol = R.Start.getPointer() - LineStart;
+
+ // If we inserted a long previous hint, push this one forwards, and add
+ // an extra space to show that this is not part of the previous
+ // completion. This is sort of the best we can do when two hints appear
+ // to overlap.
+ //
+ // Note that if this hint is located immediately after the previous
+ // hint, no space will be added, since the location is more important.
+ unsigned HintCol = FirstCol;
+ if (HintCol < PrevHintEndCol)
+ HintCol = PrevHintEndCol + 1;
+
+ // FIXME: This assertion is intended to catch unintended use of multibyte
+ // characters in fixits. If we decide to do this, we'll have to track
+ // separate byte widths for the source and fixit lines.
+ assert((size_t)llvm::sys::locale::columnWidth(I->getText()) ==
+ I->getText().size());
+
+ // This relies on one byte per column in our fixit hints.
+ unsigned LastColumnModified = HintCol + I->getText().size();
+ if (LastColumnModified > FixItLine.size())
+ FixItLine.resize(LastColumnModified, ' ');
+
+ std::copy(I->getText().begin(), I->getText().end(),
+ FixItLine.begin() + HintCol);
+
+ PrevHintEndCol = LastColumnModified;
+
+ // For replacements, mark the removal range with '~'.
+ // FIXME: Handle multibyte characters in the source line.
+ unsigned LastCol;
+ if (R.End.getPointer() >= LineEnd)
+ LastCol = LineEnd - LineStart;
+ else
+ LastCol = R.End.getPointer() - LineStart;
+
+ std::fill(&CaretLine[FirstCol], &CaretLine[LastCol], '~');
+ }