Revert "Revert "Revert "Revert "[analyzer] NFC: Move path diagnostic consumer implementations to libAnalysis.""""

This reverts commit b12f26733a4259c90e5f387aceb9f23c35e003b8.

Fix dead include that looked like another missed circular dependency.

10 files changed, 182 insertions, 128 deletions

diff --git a/clang/lib/Analysis/CMakeLists.txt b/clang/lib/Analysis/CMakeLists.txt
index ed626a6..94c6e32 100644
--- a/clang/lib/Analysis/CMakeLists.txt
+++ b/clang/lib/Analysis/CMakeLists.txt
@@ -18,14 +18,19 @@ add_clang_library(clangAnalysis
   CodeInjector.cpp
   Dominators.cpp
   ExprMutationAnalyzer.cpp
+  HTMLPathDiagnosticConsumer.cpp
   IssueHash.cpp
   LiveVariables.cpp
   ObjCNoReturn.cpp
   PathDiagnostic.cpp
+  PlistPathDiagnosticConsumer.cpp
+  PlistHTMLPathDiagnosticConsumer.cpp
   PostOrderCFGView.cpp
   ProgramPoint.cpp
   ReachableCode.cpp
   RetainSummaryManager.cpp
+  SarifPathDiagnosticConsumer.cpp
+  TextPathDiagnosticConsumer.cpp
   ThreadSafety.cpp
   ThreadSafetyCommon.cpp
   ThreadSafetyLogical.cpp
@@ -37,6 +42,8 @@ add_clang_library(clangAnalysis
   clangASTMatchers
   clangBasic
   clangLex
+  clangRewrite
+  clangToolingCore
 
   DEPENDS
   omp_gen
diff --git a/clang/lib/StaticAnalyzer/Core/HTMLDiagnostics.cpp b/clang/lib/Analysis/HTMLPathDiagnosticConsumer.cpp
index 149459c..fb60819 100644
--- a/clang/lib/StaticAnalyzer/Core/HTMLDiagnostics.cpp
+++ b/clang/lib/Analysis/HTMLPathDiagnosticConsumer.cpp
@@ -1,4 +1,4 @@
-//===- HTMLDiagnostics.cpp - HTML Diagnostics for Paths -------------------===//
+//===- HTMLPathDiagnosticConsumer.cpp - HTML Diagnostics for Paths --------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
@@ -6,12 +6,13 @@
 //
 //===----------------------------------------------------------------------===//
 //
-//  This file defines the HTMLDiagnostics object.
+//  This file defines the HTMLPathDiagnosticConsumer object.
 //
 //===----------------------------------------------------------------------===//
 
 #include "clang/Analysis/IssueHash.h"
 #include "clang/Analysis/PathDiagnostic.h"
+#include "clang/Analysis/PathDiagnosticConsumers.h"
 #include "clang/AST/Decl.h"
 #include "clang/AST/DeclBase.h"
 #include "clang/AST/Stmt.h"
@@ -24,7 +25,6 @@
 #include "clang/Lex/Token.h"
 #include "clang/Rewrite/Core/HTMLRewrite.h"
 #include "clang/Rewrite/Core/Rewriter.h"
-#include "clang/StaticAnalyzer/Core/PathDiagnosticConsumers.h"
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/StringRef.h"
@@ -50,13 +50,17 @@
 using namespace clang;
 using namespace ento;
 
+namespace clang {
+class CrossTUAnalysisHelper;
+}
+
 //===----------------------------------------------------------------------===//
 // Boilerplate.
 //===----------------------------------------------------------------------===//
 
 namespace {
 
-class HTMLDiagnostics : public PathDiagnosticConsumer {
+class HTMLPathDiagnosticConsumer : public PathDiagnosticConsumer {
   PathDiagnosticConsumerOptions DiagOpts;
   std::string Directory;
   bool createdDir = false;
@@ -65,20 +69,18 @@ class HTMLDiagnostics : public PathDiagnosticConsumer {
   const bool SupportsCrossFileDiagnostics;
 
 public:
-  HTMLDiagnostics(PathDiagnosticConsumerOptions DiagOpts,
-                  const std::string &OutputDir, const Preprocessor &pp,
-                  bool supportsMultipleFiles)
-      : DiagOpts(std::move(DiagOpts)), Directory(OutputDir), PP(pp),
-        SupportsCrossFileDiagnostics(supportsMultipleFiles) {}
+  HTMLPathDiagnosticConsumer(PathDiagnosticConsumerOptions DiagOpts,
+                             const std::string &OutputDir,
+                             const Preprocessor &PP, bool SupportsMultipleFiles)
+      : DiagOpts(std::move(DiagOpts)), Directory(OutputDir), PP(PP),
+        SupportsCrossFileDiagnostics(SupportsMultipleFiles) {}
 
-  ~HTMLDiagnostics() override { FlushDiagnostics(nullptr); }
+  ~HTMLPathDiagnosticConsumer() override { FlushDiagnostics(nullptr); }
 
   void FlushDiagnosticsImpl(std::vector<const PathDiagnostic *> &Diags,
                             FilesMade *filesMade) override;
 
-  StringRef getName() const override {
-    return "HTMLDiagnostics";
-  }
+  StringRef getName() const override { return "HTMLPathDiagnosticConsumer"; }
 
   bool supportsCrossFileDiagnostics() const override {
     return SupportsCrossFileDiagnostics;
@@ -135,7 +137,7 @@ private:
 void ento::createHTMLDiagnosticConsumer(
     PathDiagnosticConsumerOptions DiagOpts, PathDiagnosticConsumers &C,
     const std::string &OutputDir, const Preprocessor &PP,
-    const cross_tu::CrossTranslationUnitContext &CTU) {
+    const CrossTUAnalysisHelper &CTU) {
 
   // FIXME: HTML is currently our default output type, but if the output
   // directory isn't specified, it acts like if it was in the minimal text
@@ -148,47 +150,36 @@ void ento::createHTMLDiagnosticConsumer(
   if (OutputDir.empty())
     return;
 
-  C.push_back(new HTMLDiagnostics(std::move(DiagOpts), OutputDir, PP, true));
+  C.push_back(
+      new HTMLPathDiagnosticConsumer(std::move(DiagOpts), OutputDir, PP, true));
 }
 
 void ento::createHTMLSingleFileDiagnosticConsumer(
     PathDiagnosticConsumerOptions DiagOpts, PathDiagnosticConsumers &C,
     const std::string &OutputDir, const Preprocessor &PP,
-    const cross_tu::CrossTranslationUnitContext &CTU) {
+    const CrossTUAnalysisHelper &CTU) {
   createTextMinimalPathDiagnosticConsumer(DiagOpts, C, OutputDir, PP, CTU);
 
   // TODO: Emit an error here.
   if (OutputDir.empty())
     return;
 
-  C.push_back(new HTMLDiagnostics(std::move(DiagOpts), OutputDir, PP, false));
-}
-
-void ento::createPlistHTMLDiagnosticConsumer(
-    PathDiagnosticConsumerOptions DiagOpts, PathDiagnosticConsumers &C,
-    const std::string &prefix, const Preprocessor &PP,
-    const cross_tu::CrossTranslationUnitContext &CTU) {
-  createHTMLDiagnosticConsumer(
-      DiagOpts, C, std::string(llvm::sys::path::parent_path(prefix)), PP,
-      CTU);
-  createPlistMultiFileDiagnosticConsumer(DiagOpts, C, prefix, PP, CTU);
-  createTextMinimalPathDiagnosticConsumer(std::move(DiagOpts), C, prefix, PP,
-                                          CTU);
+  C.push_back(new HTMLPathDiagnosticConsumer(std::move(DiagOpts), OutputDir, PP,
+                                             false));
 }
 
 //===----------------------------------------------------------------------===//
 // Report processing.
 //===----------------------------------------------------------------------===//
 
-void HTMLDiagnostics::FlushDiagnosticsImpl(
-  std::vector<const PathDiagnostic *> &Diags,
-  FilesMade *filesMade) {
+void HTMLPathDiagnosticConsumer::FlushDiagnosticsImpl(
+    std::vector<const PathDiagnostic *> &Diags, FilesMade *filesMade) {
   for (const auto Diag : Diags)
     ReportDiag(*Diag, filesMade);
 }
 
-void HTMLDiagnostics::ReportDiag(const PathDiagnostic& D,
-                                 FilesMade *filesMade) {
+void HTMLPathDiagnosticConsumer::ReportDiag(const PathDiagnostic &D,
+                                            FilesMade *filesMade) {
   // Create the HTML directory if it is missing.
   if (!createdDir) {
     createdDir = true;
@@ -296,8 +287,11 @@ void HTMLDiagnostics::ReportDiag(const PathDiagnostic& D,
   os << report;
 }
 
-std::string HTMLDiagnostics::GenerateHTML(const PathDiagnostic& D, Rewriter &R,
-    const SourceManager& SMgr, const PathPieces& path, const char *declName) {
+std::string HTMLPathDiagnosticConsumer::GenerateHTML(const PathDiagnostic &D,
+                                                     Rewriter &R,
+                                                     const SourceManager &SMgr,
+                                                     const PathPieces &path,
+                                                     const char *declName) {
   // Rewrite source files as HTML for every new file the path crosses
   std::vector<FileID> FileIDs;
   for (auto I : path) {
@@ -369,9 +363,8 @@ std::string HTMLDiagnostics::GenerateHTML(const PathDiagnostic& D, Rewriter &R,
   return os.str();
 }
 
-void HTMLDiagnostics::dumpCoverageData(
-    const PathDiagnostic &D,
-    const PathPieces &path,
+void HTMLPathDiagnosticConsumer::dumpCoverageData(
+    const PathDiagnostic &D, const PathPieces &path,
     llvm::raw_string_ostream &os) {
 
   const FilesToLineNumsMap &ExecutedLines = D.getExecutedLines();
@@ -395,8 +388,8 @@ void HTMLDiagnostics::dumpCoverageData(
   os << "};";
 }
 
-std::string HTMLDiagnostics::showRelevantLinesJavascript(
-      const PathDiagnostic &D, const PathPieces &path) {
+std::string HTMLPathDiagnosticConsumer::showRelevantLinesJavascript(
+    const PathDiagnostic &D, const PathPieces &path) {
   std::string s;
   llvm::raw_string_ostream os(s);
   os << "<script type='text/javascript'>\n";
@@ -460,9 +453,10 @@ document.addEventListener("DOMContentLoaded", function() {
   return os.str();
 }
 
-void HTMLDiagnostics::FinalizeHTML(const PathDiagnostic& D, Rewriter &R,
-    const SourceManager& SMgr, const PathPieces& path, FileID FID,
-    const FileEntry *Entry, const char *declName) {
+void HTMLPathDiagnosticConsumer::FinalizeHTML(
+    const PathDiagnostic &D, Rewriter &R, const SourceManager &SMgr,
+    const PathPieces &path, FileID FID, const FileEntry *Entry,
+    const char *declName) {
   // This is a cludge; basically we want to append either the full
   // working directory if we have no directory information.  This is
   // a work in progress.
@@ -607,7 +601,7 @@ void HTMLDiagnostics::FinalizeHTML(const PathDiagnostic& D, Rewriter &R,
   html::AddHeaderFooterInternalBuiltinCSS(R, FID, Entry->getName());
 }
 
-StringRef HTMLDiagnostics::showHelpJavascript() {
+StringRef HTMLPathDiagnosticConsumer::showHelpJavascript() {
   return R"<<<(
 <script type='text/javascript'>
 
@@ -690,8 +684,9 @@ static void HandlePopUpPieceEndTag(Rewriter &R,
   }
 }
 
-void HTMLDiagnostics::RewriteFile(Rewriter &R,
-                                  const PathPieces& path, FileID FID) {
+void HTMLPathDiagnosticConsumer::RewriteFile(Rewriter &R,
+                                             const PathPieces &path,
+                                             FileID FID) {
   // Process the path.
   // Maintain the counts of extra note pieces separately.
   unsigned TotalPieces = path.size();
@@ -769,10 +764,9 @@ void HTMLDiagnostics::RewriteFile(Rewriter &R,
   html::HighlightMacros(R, FID, PP);
 }
 
-void HTMLDiagnostics::HandlePiece(Rewriter &R, FileID BugFileID,
-                                  const PathDiagnosticPiece &P,
-                                  const std::vector<SourceRange> &PopUpRanges,
-                                  unsigned num, unsigned max) {
+void HTMLPathDiagnosticConsumer::HandlePiece(
+    Rewriter &R, FileID BugFileID, const PathDiagnosticPiece &P,
+    const std::vector<SourceRange> &PopUpRanges, unsigned num, unsigned max) {
   // For now, just draw a box above the line in question, and emit the
   // warning.
   FullSourceLoc Pos = P.getLocation().asLocation();
@@ -1004,9 +998,8 @@ static void EmitAlphaCounter(raw_ostream &os, unsigned n) {
   os << char('a' + x);
 }
 
-unsigned HTMLDiagnostics::ProcessMacroPiece(raw_ostream &os,
-                                            const PathDiagnosticMacroPiece& P,
-                                            unsigned num) {
+unsigned HTMLPathDiagnosticConsumer::ProcessMacroPiece(
+    raw_ostream &os, const PathDiagnosticMacroPiece &P, unsigned num) {
   for (const auto &subPiece : P.subPieces) {
     if (const auto *MP = dyn_cast<PathDiagnosticMacroPiece>(subPiece.get())) {
       num = ProcessMacroPiece(os, *MP, num);
@@ -1028,10 +1021,10 @@ unsigned HTMLDiagnostics::ProcessMacroPiece(raw_ostream &os,
   return num;
 }
 
-void HTMLDiagnostics::HighlightRange(Rewriter& R, FileID BugFileID,
-                                     SourceRange Range,
-                                     const char *HighlightStart,
-                                     const char *HighlightEnd) {
+void HTMLPathDiagnosticConsumer::HighlightRange(Rewriter &R, FileID BugFileID,
+                                                SourceRange Range,
+                                                const char *HighlightStart,
+                                                const char *HighlightEnd) {
   SourceManager &SM = R.getSourceMgr();
   const LangOptions &LangOpts = R.getLangOpts();
 
@@ -1066,7 +1059,7 @@ void HTMLDiagnostics::HighlightRange(Rewriter& R, FileID BugFileID,
   html::HighlightRange(R, InstantiationStart, E, HighlightStart, HighlightEnd);
 }
 
-StringRef HTMLDiagnostics::generateKeyboardNavigationJavascript() {
+StringRef HTMLPathDiagnosticConsumer::generateKeyboardNavigationJavascript() {
   return R"<<<(
 <script type='text/javascript'>
 var digitMatcher = new RegExp("[0-9]+");
diff --git a/clang/lib/Analysis/PlistHTMLPathDiagnosticConsumer.cpp b/clang/lib/Analysis/PlistHTMLPathDiagnosticConsumer.cpp
new file mode 100644
index 0000000..ca453ff
--- /dev/null
+++ b/clang/lib/Analysis/PlistHTMLPathDiagnosticConsumer.cpp
@@ -0,0 +1,35 @@
+//===--- PlistHTMLDiagnostics.cpp - The Plist-HTML Diagnostic Consumer. ---===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This diagnostic consumer produces both the HTML output and the Plist output.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Analysis/PathDiagnostic.h"
+#include "clang/Analysis/PathDiagnosticConsumers.h"
+#include "clang/Basic/SourceManager.h"
+#include "clang/Lex/Preprocessor.h"
+#include "llvm/Support/Path.h"
+
+using namespace clang;
+using namespace ento;
+
+namespace clang {
+class CrossTUAnalysisHelper;
+}
+
+void ento::createPlistHTMLDiagnosticConsumer(
+    PathDiagnosticConsumerOptions DiagOpts, PathDiagnosticConsumers &C,
+    const std::string &Prefix, const Preprocessor &PP,
+    const CrossTUAnalysisHelper &CTU) {
+  createHTMLDiagnosticConsumer(
+      DiagOpts, C, std::string(llvm::sys::path::parent_path(Prefix)), PP, CTU);
+  createPlistMultiFileDiagnosticConsumer(DiagOpts, C, Prefix, PP, CTU);
+  createTextMinimalPathDiagnosticConsumer(std::move(DiagOpts), C, Prefix, PP,
+                                          CTU);
+}
diff --git a/clang/lib/StaticAnalyzer/Core/PlistDiagnostics.cpp b/clang/lib/Analysis/PlistPathDiagnosticConsumer.cpp
index 35e320c..52a4881 100644
--- a/clang/lib/StaticAnalyzer/Core/PlistDiagnostics.cpp
+++ b/clang/lib/Analysis/PlistPathDiagnosticConsumer.cpp
@@ -1,4 +1,4 @@
-//===--- PlistDiagnostics.cpp - Plist Diagnostics for Paths -----*- C++ -*-===//
+//===--- PlistPathDiagnosticConsumer.cpp - Plist Diagnostics ----*- C++ -*-===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
@@ -6,22 +6,21 @@
 //
 //===----------------------------------------------------------------------===//
 //
-//  This file defines the PlistDiagnostics object.
+//  This file defines the PlistPathDiagnosticConsumer object.
 //
 //===----------------------------------------------------------------------===//
 
+#include "clang/Analysis/CrossTUAnalysisHelper.h"
 #include "clang/Analysis/IssueHash.h"
 #include "clang/Analysis/PathDiagnostic.h"
+#include "clang/Analysis/PathDiagnosticConsumers.h"
 #include "clang/Basic/FileManager.h"
 #include "clang/Basic/PlistSupport.h"
 #include "clang/Basic/SourceManager.h"
 #include "clang/Basic/Version.h"
-#include "clang/CrossTU/CrossTranslationUnit.h"
-#include "clang/Frontend/ASTUnit.h"
 #include "clang/Lex/Preprocessor.h"
 #include "clang/Lex/TokenConcatenation.h"
 #include "clang/Rewrite/Core/HTMLRewrite.h"
-#include "clang/StaticAnalyzer/Core/PathDiagnosticConsumers.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/Statistic.h"
@@ -38,29 +37,29 @@ using namespace markup;
 //===----------------------------------------------------------------------===//
 
 namespace {
-  class PlistDiagnostics : public PathDiagnosticConsumer {
+  class PlistPathDiagnosticConsumer : public PathDiagnosticConsumer {
     PathDiagnosticConsumerOptions DiagOpts;
     const std::string OutputFile;
     const Preprocessor &PP;
-    const cross_tu::CrossTranslationUnitContext &CTU;
+    const CrossTUAnalysisHelper &CTU;
     const bool SupportsCrossFileDiagnostics;
 
     void printBugPath(llvm::raw_ostream &o, const FIDMap &FM,
                       const PathPieces &Path);
 
   public:
-    PlistDiagnostics(PathDiagnosticConsumerOptions DiagOpts,
+    PlistPathDiagnosticConsumer(PathDiagnosticConsumerOptions DiagOpts,
                      const std::string &OutputFile, const Preprocessor &PP,
-                     const cross_tu::CrossTranslationUnitContext &CTU,
+                     const CrossTUAnalysisHelper &CTU,
                      bool supportsMultipleFiles);
 
-    ~PlistDiagnostics() override {}
+    ~PlistPathDiagnosticConsumer() override {}
 
     void FlushDiagnosticsImpl(std::vector<const PathDiagnostic *> &Diags,
                               FilesMade *filesMade) override;
 
     StringRef getName() const override {
-      return "PlistDiagnostics";
+      return "PlistPathDiagnosticConsumer";
     }
 
     PathGenerationScheme getGenerationScheme() const override {
@@ -79,13 +78,13 @@ namespace {
 class PlistPrinter {
   const FIDMap& FM;
   const Preprocessor &PP;
-  const cross_tu::CrossTranslationUnitContext &CTU;
+  const CrossTUAnalysisHelper &CTU;
   llvm::SmallVector<const PathDiagnosticMacroPiece *, 0> MacroPieces;
 
 public:
   PlistPrinter(const FIDMap& FM,
                const Preprocessor &PP,
-               const cross_tu::CrossTranslationUnitContext &CTU)
+               const CrossTUAnalysisHelper &CTU)
     : FM(FM), PP(PP), CTU(CTU) {
   }
 
@@ -175,7 +174,7 @@ static void printCoverage(const PathDiagnostic *D,
 
 static ExpansionInfo
 getExpandedMacro(SourceLocation MacroLoc, const Preprocessor &PP,
-                 const cross_tu::CrossTranslationUnitContext &CTU);
+                 const CrossTUAnalysisHelper &CTU);
 
 //===----------------------------------------------------------------------===//
 // Methods of PlistPrinter.
@@ -516,12 +515,12 @@ static void printCoverage(const PathDiagnostic *D,
 }
 
 //===----------------------------------------------------------------------===//
-// Methods of PlistDiagnostics.
+// Methods of PlistPathDiagnosticConsumer.
 //===----------------------------------------------------------------------===//
 
-PlistDiagnostics::PlistDiagnostics(
+PlistPathDiagnosticConsumer::PlistPathDiagnosticConsumer(
     PathDiagnosticConsumerOptions DiagOpts, const std::string &output,
-    const Preprocessor &PP, const cross_tu::CrossTranslationUnitContext &CTU,
+    const Preprocessor &PP, const CrossTUAnalysisHelper &CTU,
     bool supportsMultipleFiles)
     : DiagOpts(std::move(DiagOpts)), OutputFile(output), PP(PP), CTU(CTU),
       SupportsCrossFileDiagnostics(supportsMultipleFiles) {
@@ -532,14 +531,14 @@ PlistDiagnostics::PlistDiagnostics(
 void ento::createPlistDiagnosticConsumer(
     PathDiagnosticConsumerOptions DiagOpts, PathDiagnosticConsumers &C,
     const std::string &OutputFile, const Preprocessor &PP,
-    const cross_tu::CrossTranslationUnitContext &CTU) {
+    const CrossTUAnalysisHelper &CTU) {
 
   // TODO: Emit an error here.
   if (OutputFile.empty())
     return;
 
-  C.push_back(new PlistDiagnostics(DiagOpts, OutputFile, PP, CTU,
-                                   /*supportsMultipleFiles=*/false));
+  C.push_back(new PlistPathDiagnosticConsumer(DiagOpts, OutputFile, PP, CTU,
+                                              /*supportsMultipleFiles=*/false));
   createTextMinimalPathDiagnosticConsumer(std::move(DiagOpts), C, OutputFile,
                                           PP, CTU);
 }
@@ -547,20 +546,21 @@ void ento::createPlistDiagnosticConsumer(
 void ento::createPlistMultiFileDiagnosticConsumer(
     PathDiagnosticConsumerOptions DiagOpts, PathDiagnosticConsumers &C,
     const std::string &OutputFile, const Preprocessor &PP,
-    const cross_tu::CrossTranslationUnitContext &CTU) {
+    const CrossTUAnalysisHelper &CTU) {
 
   // TODO: Emit an error here.
   if (OutputFile.empty())
     return;
 
-  C.push_back(new PlistDiagnostics(DiagOpts, OutputFile, PP, CTU,
-                                   /*supportsMultipleFiles=*/true));
+  C.push_back(new PlistPathDiagnosticConsumer(DiagOpts, OutputFile, PP, CTU,
+                                              /*supportsMultipleFiles=*/true));
   createTextMinimalPathDiagnosticConsumer(std::move(DiagOpts), C, OutputFile,
                                           PP, CTU);
 }
 
-void PlistDiagnostics::printBugPath(llvm::raw_ostream &o, const FIDMap &FM,
-                                    const PathPieces &Path) {
+void PlistPathDiagnosticConsumer::printBugPath(llvm::raw_ostream &o,
+                                               const FIDMap &FM,
+                                               const PathPieces &Path) {
   PlistPrinter Printer(FM, PP, CTU);
   assert(std::is_partitioned(Path.begin(), Path.end(),
                              [](const PathDiagnosticPieceRef &E) {
@@ -603,9 +603,8 @@ void PlistDiagnostics::printBugPath(llvm::raw_ostream &o, const FIDMap &FM,
   o << "   </array>\n";
 }
 
-void PlistDiagnostics::FlushDiagnosticsImpl(
-                                    std::vector<const PathDiagnostic *> &Diags,
-                                    FilesMade *filesMade) {
+void PlistPathDiagnosticConsumer::FlushDiagnosticsImpl(
+    std::vector<const PathDiagnostic *> &Diags, FilesMade *filesMade) {
   // Build up a set of FIDs that we use by scanning the locations and
   // ranges of the diagnostics.
   FIDMap FM;
@@ -985,12 +984,13 @@ static const MacroInfo *getMacroInfoForLocation(const Preprocessor &PP,
 
 static ExpansionInfo
 getExpandedMacro(SourceLocation MacroLoc, const Preprocessor &PP,
-                 const cross_tu::CrossTranslationUnitContext &CTU) {
+                 const CrossTUAnalysisHelper &CTU) {
 
   const Preprocessor *PPToUse = &PP;
-  if (auto LocAndUnit = CTU.getImportedFromSourceLocation(MacroLoc)) {
+  if (auto LocAndUnit =
+      CTU.getImportedFromSourceLocationWithPreprocessor(MacroLoc)) {
     MacroLoc = LocAndUnit->first;
-    PPToUse = &LocAndUnit->second->getPreprocessor();
+    PPToUse = LocAndUnit->second;
   }
 
   llvm::SmallString<200> ExpansionBuf;
diff --git a/clang/lib/StaticAnalyzer/Core/SarifDiagnostics.cpp b/clang/lib/Analysis/SarifPathDiagnosticConsumer.cpp
index f93d04c..e2fcad5 100644
--- a/clang/lib/StaticAnalyzer/Core/SarifDiagnostics.cpp
+++ b/clang/lib/Analysis/SarifPathDiagnosticConsumer.cpp
@@ -1,4 +1,4 @@
-//===--- SarifDiagnostics.cpp - Sarif Diagnostics for Paths -----*- C++ -*-===//
+//===--- SarifPathDiagnosticConsumer.cpp - Sarif Diagnostics  ---*- C++ -*-===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
@@ -6,15 +6,15 @@
 //
 //===----------------------------------------------------------------------===//
 //
-//  This file defines the SarifDiagnostics object.
+//  This file defines the SarifPathDiagnosticConsumer object.
 //
 //===----------------------------------------------------------------------===//
 
 #include "clang/Analysis/PathDiagnostic.h"
+#include "clang/Analysis/PathDiagnosticConsumers.h"
 #include "clang/Basic/FileManager.h"
 #include "clang/Basic/Version.h"
 #include "clang/Lex/Preprocessor.h"
-#include "clang/StaticAnalyzer/Core/PathDiagnosticConsumers.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/StringMap.h"
 #include "llvm/Support/ConvertUTF.h"
@@ -25,20 +25,24 @@ using namespace llvm;
 using namespace clang;
 using namespace ento;
 
+namespace clang {
+class CrossTUAnalysisHelper;
+}
+
 namespace {
-class SarifDiagnostics : public PathDiagnosticConsumer {
+class SarifPathDiagnosticConsumer : public PathDiagnosticConsumer {
   std::string OutputFile;
   const LangOptions &LO;
 
 public:
-  SarifDiagnostics(const std::string &Output, const LangOptions &LO)
+  SarifPathDiagnosticConsumer(const std::string &Output, const LangOptions &LO)
       : OutputFile(Output), LO(LO) {}
-  ~SarifDiagnostics() override = default;
+  ~SarifPathDiagnosticConsumer() override = default;
 
   void FlushDiagnosticsImpl(std::vector<const PathDiagnostic *> &Diags,
                             FilesMade *FM) override;
 
-  StringRef getName() const override { return "SarifDiagnostics"; }
+  StringRef getName() const override { return "SarifPathDiagnosticConsumer"; }
   PathGenerationScheme getGenerationScheme() const override { return Minimal; }
   bool supportsLogicalOpControlFlow() const override { return true; }
   bool supportsCrossFileDiagnostics() const override { return true; }
@@ -48,13 +52,13 @@ public:
 void ento::createSarifDiagnosticConsumer(
     PathDiagnosticConsumerOptions DiagOpts, PathDiagnosticConsumers &C,
     const std::string &Output, const Preprocessor &PP,
-    const cross_tu::CrossTranslationUnitContext &CTU) {
+    const CrossTUAnalysisHelper &CTU) {
 
   // TODO: Emit an error here.
   if (Output.empty())
     return;
 
-  C.push_back(new SarifDiagnostics(Output, PP.getLangOpts()));
+  C.push_back(new SarifPathDiagnosticConsumer(Output, PP.getLangOpts()));
   createTextMinimalPathDiagnosticConsumer(std::move(DiagOpts), C, Output, PP,
                                           CTU);
 }
@@ -299,6 +303,9 @@ static json::Object createResult(const LangOptions &LO,
 }
 
 static StringRef getRuleDescription(StringRef CheckName) {
+  // FIXME: This is a layering violation; it only works for the particular
+  // use-case of clang static analyzer. This info should be provided
+  // as part of PathDiagnostic itself.
   return llvm::StringSwitch<StringRef>(CheckName)
 #define GET_CHECKERS
 #define CHECKER(FULLNAME, CLASS, HELPTEXT, DOC_URI, IS_HIDDEN)                 \
@@ -310,6 +317,9 @@ static StringRef getRuleDescription(StringRef CheckName) {
 }
 
 static StringRef getRuleHelpURIStr(StringRef CheckName) {
+  // FIXME: This is a layering violation; it only works for the particular
+  // use-case of clang static analyzer. This info should be provided
+  // as part of PathDiagnostic itself.
   return llvm::StringSwitch<StringRef>(CheckName)
 #define GET_CHECKERS
 #define CHECKER(FULLNAME, CLASS, HELPTEXT, DOC_URI, IS_HIDDEN)                 \
@@ -377,7 +387,7 @@ static json::Object createRun(const LangOptions &LO,
                       {"columnKind", "unicodeCodePoints"}};
 }
 
-void SarifDiagnostics::FlushDiagnosticsImpl(
+void SarifPathDiagnosticConsumer::FlushDiagnosticsImpl(
     std::vector<const PathDiagnostic *> &Diags, FilesMade *) {
   // We currently overwrite the file if it already exists. However, it may be
   // useful to add a feature someday that allows the user to append a run to an
diff --git a/clang/lib/StaticAnalyzer/Core/TextDiagnostics.cpp b/clang/lib/Analysis/TextPathDiagnosticConsumer.cpp
index ae2bad7..e9010d5 100644
--- a/clang/lib/StaticAnalyzer/Core/TextDiagnostics.cpp
+++ b/clang/lib/Analysis/TextPathDiagnosticConsumer.cpp
@@ -1,4 +1,4 @@
-//===--- TextDiagnostics.cpp - Text Diagnostics for Paths -------*- C++ -*-===//
+//===--- TextPathDiagnosticConsumer.cpp - Text Diagnostics ------*- C++ -*-===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
@@ -6,19 +6,17 @@
 //
 //===----------------------------------------------------------------------===//
 //
-//  This file defines the TextDiagnostics object.
+//  This file defines the TextPathDiagnosticConsumer object.
 //
 //===----------------------------------------------------------------------===//
 
 #include "clang/Analysis/PathDiagnostic.h"
+#include "clang/Analysis/PathDiagnosticConsumers.h"
 #include "clang/Basic/SourceManager.h"
 #include "clang/Basic/Version.h"
-#include "clang/CrossTU/CrossTranslationUnit.h"
 #include "clang/Frontend/ASTUnit.h"
 #include "clang/Lex/Preprocessor.h"
 #include "clang/Rewrite/Core/Rewriter.h"
-#include "clang/StaticAnalyzer/Core/AnalyzerOptions.h"
-#include "clang/StaticAnalyzer/Core/PathDiagnosticConsumers.h"
 #include "clang/Tooling/Core/Replacement.h"
 #include "clang/Tooling/Tooling.h"
 #include "llvm/ADT/SmallPtrSet.h"
@@ -29,25 +27,29 @@ using namespace clang;
 using namespace ento;
 using namespace tooling;
 
+namespace clang {
+class CrossTUAnalysisHelper;
+}
+
 namespace {
-/// Emitsd minimal diagnostics (report message + notes) for the 'none' output
+/// Emits minimal diagnostics (report message + notes) for the 'none' output
 /// type to the standard error, or to to compliment many others. Emits detailed
 /// diagnostics in textual format for the 'text' output type.
-class TextDiagnostics : public PathDiagnosticConsumer {
+class TextPathDiagnosticConsumer : public PathDiagnosticConsumer {
   PathDiagnosticConsumerOptions DiagOpts;
   DiagnosticsEngine &DiagEng;
   const LangOptions &LO;
   bool ShouldDisplayPathNotes;
 
 public:
-  TextDiagnostics(PathDiagnosticConsumerOptions DiagOpts,
-                  DiagnosticsEngine &DiagEng, const LangOptions &LO,
-                  bool ShouldDisplayPathNotes)
+  TextPathDiagnosticConsumer(PathDiagnosticConsumerOptions DiagOpts,
+                             DiagnosticsEngine &DiagEng, const LangOptions &LO,
+                             bool ShouldDisplayPathNotes)
       : DiagOpts(std::move(DiagOpts)), DiagEng(DiagEng), LO(LO),
         ShouldDisplayPathNotes(ShouldDisplayPathNotes) {}
-  ~TextDiagnostics() override {}
+  ~TextPathDiagnosticConsumer() override {}
 
-  StringRef getName() const override { return "TextDiagnostics"; }
+  StringRef getName() const override { return "TextPathDiagnosticConsumer"; }
 
   bool supportsLogicalOpControlFlow() const override { return true; }
   bool supportsCrossFileDiagnostics() const override { return true; }
@@ -139,17 +141,17 @@ public:
 void ento::createTextPathDiagnosticConsumer(
     PathDiagnosticConsumerOptions DiagOpts, PathDiagnosticConsumers &C,
     const std::string &Prefix, const clang::Preprocessor &PP,
-    const cross_tu::CrossTranslationUnitContext &CTU) {
-  C.emplace_back(new TextDiagnostics(std::move(DiagOpts), PP.getDiagnostics(),
-                                     PP.getLangOpts(),
-                                     /*ShouldDisplayPathNotes=*/true));
+    const CrossTUAnalysisHelper &CTU) {
+  C.emplace_back(new TextPathDiagnosticConsumer(
+      std::move(DiagOpts), PP.getDiagnostics(), PP.getLangOpts(),
+      /*ShouldDisplayPathNotes=*/true));
 }
 
 void ento::createTextMinimalPathDiagnosticConsumer(
     PathDiagnosticConsumerOptions DiagOpts, PathDiagnosticConsumers &C,
     const std::string &Prefix, const clang::Preprocessor &PP,
-    const cross_tu::CrossTranslationUnitContext &CTU) {
-  C.emplace_back(new TextDiagnostics(std::move(DiagOpts), PP.getDiagnostics(),
-                                     PP.getLangOpts(),
-                                     /*ShouldDisplayPathNotes=*/false));
+    const CrossTUAnalysisHelper &CTU) {
+  C.emplace_back(new TextPathDiagnosticConsumer(
+      std::move(DiagOpts), PP.getDiagnostics(), PP.getLangOpts(),
+      /*ShouldDisplayPathNotes=*/false));
 }
diff --git a/clang/lib/CrossTU/CrossTranslationUnit.cpp b/clang/lib/CrossTU/CrossTranslationUnit.cpp
index e27779f..5ab5d6d 100644
--- a/clang/lib/CrossTU/CrossTranslationUnit.cpp
+++ b/clang/lib/CrossTU/CrossTranslationUnit.cpp
@@ -765,7 +765,7 @@ CrossTranslationUnitContext::getOrCreateASTImporter(ASTUnit *Unit) {
 
 llvm::Optional<std::pair<SourceLocation, ASTUnit *>>
 CrossTranslationUnitContext::getImportedFromSourceLocation(
-    const clang::SourceLocation &ToLoc) const {
+    SourceLocation ToLoc) const {
   const SourceManager &SM = Context.getSourceManager();
   auto DecToLoc = SM.getDecomposedLoc(ToLoc);
 
@@ -781,5 +781,16 @@ CrossTranslationUnitContext::getImportedFromSourceLocation(
   return std::make_pair(FromLoc, Unit);
 }
 
+llvm::Optional<std::pair<SourceLocation, Preprocessor *>>
+CrossTranslationUnitContext::getImportedFromSourceLocationWithPreprocessor(
+    SourceLocation ToLoc) const {
+  if (llvm::Optional<std::pair<SourceLocation, ASTUnit *>> LocAndUnit =
+      getImportedFromSourceLocation(ToLoc)) {
+    return std::make_pair(LocAndUnit->first,
+                          &LocAndUnit->second->getPreprocessor());
+  }
+  return None;
+}
+
 } // namespace cross_tu
 } // namespace clang
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 6795151..348f558 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -571,7 +571,7 @@ static bool ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args,
     AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name)
 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN) \
       .Case(CMDFLAG, PD_##NAME)
-#include "clang/StaticAnalyzer/Core/Analyses.def"
+#include "clang/Analysis/PathDiagnosticConsumers.def"
       .Default(NUM_ANALYSIS_DIAG_CLIENTS);
     if (Value == NUM_ANALYSIS_DIAG_CLIENTS) {
       Diags.Report(diag::err_drv_invalid_value)
diff --git a/clang/lib/StaticAnalyzer/Core/CMakeLists.txt b/clang/lib/StaticAnalyzer/Core/CMakeLists.txt
index d947d41..b1f527e 100644
--- a/clang/lib/StaticAnalyzer/Core/CMakeLists.txt
+++ b/clang/lib/StaticAnalyzer/Core/CMakeLists.txt
@@ -30,16 +30,13 @@ add_clang_library(clangStaticAnalyzerCore
   ExprEngineCallAndReturn.cpp
   ExprEngineObjC.cpp
   FunctionSummary.cpp
-  HTMLDiagnostics.cpp
   LoopUnrolling.cpp
   LoopWidening.cpp
   MemRegion.cpp
-  PlistDiagnostics.cpp
   ProgramState.cpp
   RangeConstraintManager.cpp
   RangedConstraintManager.cpp
   RegionStore.cpp
-  SarifDiagnostics.cpp
   SimpleConstraintManager.cpp
   SimpleSValBuilder.cpp
   SMTConstraintManager.cpp
@@ -47,7 +44,6 @@ add_clang_library(clangStaticAnalyzerCore
   SValBuilder.cpp
   SVals.cpp
   SymbolManager.cpp
-  TextDiagnostics.cpp
   WorkList.cpp
 
   LINK_LIBS
diff --git a/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp b/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
index f2a19b2..1e94950 100644
--- a/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
+++ b/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
@@ -21,6 +21,7 @@
 #include "clang/Analysis/CallGraph.h"
 #include "clang/Analysis/CodeInjector.h"
 #include "clang/Analysis/PathDiagnostic.h"
+#include "clang/Analysis/PathDiagnosticConsumers.h"
 #include "clang/Basic/SourceManager.h"
 #include "clang/CrossTU/CrossTranslationUnit.h"
 #include "clang/Frontend/CompilerInstance.h"
@@ -30,7 +31,6 @@
 #include "clang/StaticAnalyzer/Core/AnalyzerOptions.h"
 #include "clang/StaticAnalyzer/Core/BugReporter/BugReporter.h"
 #include "clang/StaticAnalyzer/Core/CheckerManager.h"
-#include "clang/StaticAnalyzer/Core/PathDiagnosticConsumers.h"
 #include "clang/StaticAnalyzer/Core/PathSensitive/AnalysisManager.h"
 #include "clang/StaticAnalyzer/Core/PathSensitive/ExprEngine.h"
 #include "llvm/ADT/PostOrderIterator.h"
@@ -152,7 +152,7 @@ public:
   case PD_##NAME:                                                              \
     CREATEFN(Opts->getDiagOpts(), PathConsumers, OutDir, PP, CTU);             \
     break;
-#include "clang/StaticAnalyzer/Core/Analyses.def"
+#include "clang/Analysis/PathDiagnosticConsumers.def"
     default:
       llvm_unreachable("Unknown analyzer output type!");
     }