Rename lib/Driver (etc) to lib/Frontend in prep for the *actual*

driver taking lib/Driver.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65811 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 239 insertions, 0 deletions

diff --git a/lib/Frontend/PlistDiagnostics.cpp b/lib/Frontend/PlistDiagnostics.cpp
new file mode 100644
index 0000000000..4a87d5d7e5
--- /dev/null
+++ b/lib/Frontend/PlistDiagnostics.cpp
@@ -0,0 +1,239 @@
+//===--- PlistDiagnostics.cpp - Plist Diagnostics for Paths -----*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//  This file defines the PlistDiagnostics object.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Frontend/PathDiagnosticClients.h"
+#include "clang/Analysis/PathDiagnostic.h"
+#include "clang/Basic/SourceManager.h"
+#include "clang/Basic/FileManager.h"
+#include "llvm/Support/Compiler.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/System/Path.h"
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/SmallVector.h"
+using namespace clang;
+
+typedef llvm::DenseMap<FileID, unsigned> FIDMap;
+
+namespace clang {
+  class Preprocessor;
+  class PreprocessorFactory;
+}
+
+namespace {
+  class VISIBILITY_HIDDEN PlistDiagnostics : public PathDiagnosticClient {
+    std::vector<const PathDiagnostic*> BatchedDiags;
+    const std::string OutputFile;
+  public:
+    PlistDiagnostics(const std::string& prefix);
+    ~PlistDiagnostics();
+    void HandlePathDiagnostic(const PathDiagnostic* D);  
+  };  
+} // end anonymous namespace
+
+PlistDiagnostics::PlistDiagnostics(const std::string& output)
+  : OutputFile(output) {}
+
+PathDiagnosticClient*
+clang::CreatePlistDiagnosticClient(const std::string& s,
+                                   Preprocessor*, PreprocessorFactory*) {
+  return new PlistDiagnostics(s);
+}
+
+static void AddFID(FIDMap &FIDs, llvm::SmallVectorImpl<FileID> &V,
+                   SourceManager* SM, SourceLocation L) {
+
+  FileID FID = SM->getFileID(SM->getInstantiationLoc(L));
+  FIDMap::iterator I = FIDs.find(FID);
+  if (I != FIDs.end()) return;
+  FIDs[FID] = V.size();
+  V.push_back(FID);
+}
+
+static unsigned GetFID(const FIDMap& FIDs, SourceManager* SM, SourceLocation L){
+  FileID FID = SM->getFileID(SM->getInstantiationLoc(L));
+  FIDMap::const_iterator I = FIDs.find(FID);
+  assert(I != FIDs.end());
+  return I->second;
+}
+
+static llvm::raw_ostream& Indent(llvm::raw_ostream& o, const unsigned indent) {
+  for (unsigned i = 0; i < indent; ++i)
+    o << ' ';
+  return o;
+}
+
+static void EmitLocation(llvm::raw_ostream& o, SourceManager* SM,
+                         SourceLocation L, const FIDMap& FM,
+                         const unsigned indent) {
+
+  Indent(o, indent) << "<dict>\n";
+  Indent(o, indent) << " <key>line</key><integer>"
+                    << SM->getInstantiationLineNumber(L) << "</integer>\n";
+  Indent(o, indent) << " <key>col</key><integer>"
+                    << SM->getInstantiationColumnNumber(L) << "</integer>\n";
+  Indent(o, indent) << " <key>file</key><integer>"
+                    << GetFID(FM, SM, L) << "</integer>\n";
+  Indent(o, indent) << "</dict>\n";
+}
+
+static void EmitRange(llvm::raw_ostream& o, SourceManager* SM, SourceRange R,
+                      const FIDMap& FM, const unsigned indent) {
+ 
+  Indent(o, indent) << "<array>\n";
+  EmitLocation(o, SM, R.getBegin(), FM, indent+1);
+  EmitLocation(o, SM, R.getEnd(), FM, indent+1);
+  Indent(o, indent) << "</array>\n";
+}
+
+static void ReportDiag(llvm::raw_ostream& o, const PathDiagnosticPiece& P, 
+                       const FIDMap& FM, SourceManager* SM) {
+  
+  unsigned indent = 4;
+  Indent(o, indent) << "<dict>\n";
+  ++indent;
+  
+  // Output the location.
+  FullSourceLoc L = P.getLocation();
+
+  Indent(o, indent) << "<key>location</key>\n";
+  EmitLocation(o, SM, L, FM, indent);
+
+  // Output the ranges (if any).
+  PathDiagnosticPiece::range_iterator RI = P.ranges_begin(),
+                                      RE = P.ranges_end();
+  
+  if (RI != RE) {
+    Indent(o, indent) << "<key>ranges</key>\n";
+    Indent(o, indent) << "<array>\n";
+    ++indent;
+    for ( ; RI != RE; ++RI ) EmitRange(o, SM, *RI, FM, indent+1);
+    --indent;
+    Indent(o, indent) << "</array>\n";
+  }
+  
+  // Output the text.
+  Indent(o, indent) << "<key>message</key>\n";
+  Indent(o, indent) << "<string>" << P.getString() << "</string>\n";
+  
+  // Output the hint.
+  Indent(o, indent) << "<key>displayhint</key>\n";
+  Indent(o, indent) << "<string>"
+                    << (P.getDisplayHint() == PathDiagnosticPiece::Above 
+                        ? "above" : "below")
+                    << "</string>\n";
+  
+  
+  // Finish up.
+  --indent;
+  Indent(o, indent); o << "</dict>\n";
+}
+
+void PlistDiagnostics::HandlePathDiagnostic(const PathDiagnostic* D) {
+  if (!D)
+    return;
+  
+  if (D->empty()) {
+    delete D;
+    return;
+  }
+  
+  BatchedDiags.push_back(D);
+}
+
+PlistDiagnostics::~PlistDiagnostics() { 
+
+  // Build up a set of FIDs that we use by scanning the locations and
+  // ranges of the diagnostics.
+  FIDMap FM;
+  llvm::SmallVector<FileID, 10> Fids;
+  SourceManager* SM = 0;
+  
+  if (!BatchedDiags.empty())  
+    SM = &(*BatchedDiags.begin())->begin()->getLocation().getManager();
+
+  for (std::vector<const PathDiagnostic*>::iterator DI = BatchedDiags.begin(),
+       DE = BatchedDiags.end(); DI != DE; ++DI) {
+    
+    const PathDiagnostic *D = *DI;
+  
+    for (PathDiagnostic::const_iterator I=D->begin(), E=D->end(); I!=E; ++I) {
+      AddFID(FM, Fids, SM, I->getLocation());
+    
+      for (PathDiagnosticPiece::range_iterator RI=I->ranges_begin(),
+           RE=I->ranges_end(); RI!=RE; ++RI) {
+        AddFID(FM, Fids, SM, RI->getBegin());
+        AddFID(FM, Fids, SM, RI->getEnd());
+      }
+    }
+  }
+
+  // Open the file.
+  std::string ErrMsg;
+  llvm::raw_fd_ostream o(OutputFile.c_str(), false, ErrMsg);
+  if (!ErrMsg.empty()) {
+    llvm::errs() << "warning: could not creat file: " << OutputFile << '\n';
+    return;
+  }
+  
+  // Write the plist header.
+  o << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+  "<!DOCTYPE plist PUBLIC \"-//Apple Computer//DTD PLIST 1.0//EN\" "
+  "http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n"
+  "<plist version=\"1.0\">\n";
+  
+  // Write the root object: a <dict> containing...
+  //  - "files", an <array> mapping from FIDs to file names
+  //  - "diagnostics", an <array> containing the path diagnostics  
+  o << "<dict>\n"
+       " <key>files</key>\n"
+       " <array>\n";
+  
+  for (llvm::SmallVectorImpl<FileID>::iterator I=Fids.begin(), E=Fids.end();
+       I!=E; ++I)
+    o << "  <string>" << SM->getFileEntryForID(*I)->getName() << "</string>\n";    
+  
+  o << " </array>\n"
+       " <key>diagnostics</key>\n"
+       " <array>\n";
+  
+  for (std::vector<const PathDiagnostic*>::iterator DI=BatchedDiags.begin(),
+       DE = BatchedDiags.end(); DI!=DE; ++DI) {
+       
+    o << "  <dict>\n"
+         "   <key>path</key>\n";
+    
+    const PathDiagnostic *D = *DI;
+    // Create an owning smart pointer for 'D' just so that we auto-free it
+    // when we exit this method.
+    llvm::OwningPtr<PathDiagnostic> OwnedD(const_cast<PathDiagnostic*>(D));
+
+    o << "   <array>\n";
+  
+    for (PathDiagnostic::const_iterator I=D->begin(), E=D->end(); I != E; ++I)
+      ReportDiag(o, *I, FM, SM);
+    
+    o << "   </array>\n";
+    
+    // Output the bug type and bug category.  
+    o << "   <key>description</key>\n   <string>" << D->getDescription()
+      << "</string>\n"
+      << "   <key>category</key>\n   <string>" << D->getCategory()
+      << "</string>\n"
+      << "  </dict>\n";    
+  }
+
+  o << " </array>\n";
+  
+  // Finish.
+  o << "</dict>\n</plist>";
+}