97     // If we have no source location, just emit the diagnostic message.  in emitDiagnostic()
116     // Find the ultimate expansion location for the diagnostic.  in emitDiagnostic()
129     // If this location is within a macro, walk from UnexpandedLoc up to Loc  in emitDiagnostic()
154 /// diagnostic level and location.
161 /// \param Loc   The diagnostic location.
162 /// \param PLoc  The presumed location of the diagnostic location.
199   // If this source location was imported from a module, print the module  in emitIncludeStackRecursively()
204     // This location was imported by a module. Emit the module import stack.  in emitIncludeStackRecursively()
217 /// Emit the module import stack associated with the current location.
274     // Only look at the immediate spelling location of this macro argument if  in retrieveMacroLocation()
275     // the other location in the source range is also present in that expansion.  in retrieveMacroLocation()
301   // If we moved the end of the range to an expansion location, we now have  in retrieveMacroLocation()
347 // around the location specified by CaretLoc.
350 // chain for the beginning and end of each range.  If the caret location
351 // is in a macro expansion, we search each chain for a location
414     // Return the spelling location of the beginning and end of the range.  in mapDiagnosticRanges()
437   // Find the spelling location for the macro definition. We must use the  in emitSingleMacroExpansion()
438   // spelling location here to avoid emitting a macro backtrace for the note.  in emitSingleMacroExpansion()
441   // Map the ranges into the FileID of the diagnostic location.  in emitSingleMacroExpansion()
458 /// Check that the macro argument location of Loc starts with ArgumentLoc.
459 /// The starting location of the macro expansions is used to differeniate
503   // To store the source location of the argument location.  in checkRangesForMacroArgExpansion()
506   // Set the ArgumentLoc to the beginning location of the expansion of Loc  in checkRangesForMacroArgExpansion()
507   // so to check if the ranges expands to the same beginning location.  in checkRangesForMacroArgExpansion()
525 /// \param Loc The location for this caret.
533   assert(Loc.isValid() && "must have a valid source location here");  in emitMacroExpansions()
553     // Once the location no longer points into a macro, try stepping through  in emitMacroExpansions()
554     // the last found location.  This sometimes produces additional useful  in emitMacroExpansions()
558     assert(L.isValid() && "must have a valid source location here");  in emitMacroExpansions()
598   // Generate a note indicating the include location.  in emitIncludeLocation()
609   // Generate a note indicating the include location.  in emitImportLocation()
623   // Generate a note indicating the include location.  in emitBuildingModuleLocation()