Add the clang library to the repo (with some of my changes, too).

1 files changed, 69 insertions, 0 deletions

diff --git a/clang/lib/StaticAnalyzer/Core/TextPathDiagnostics.cpp b/clang/lib/StaticAnalyzer/Core/TextPathDiagnostics.cpp
new file mode 100644
index 0000000..fe912df
--- /dev/null
+++ b/clang/lib/StaticAnalyzer/Core/TextPathDiagnostics.cpp
@@ -0,0 +1,69 @@
+//===--- TextPathDiagnostics.cpp - Text 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 TextPathDiagnostics object.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/StaticAnalyzer/Core/PathDiagnosticConsumers.h"
+#include "clang/StaticAnalyzer/Core/BugReporter/PathDiagnostic.h"
+#include "clang/Lex/Preprocessor.h"
+#include "llvm/Support/raw_ostream.h"
+using namespace clang;
+using namespace ento;
+using namespace llvm;
+
+namespace {
+
+/// \brief Simple path diagnostic client used for outputting as diagnostic notes
+/// the sequence of events.
+class TextPathDiagnostics : public PathDiagnosticConsumer {
+  const std::string OutputFile;
+  DiagnosticsEngine &Diag;
+
+public:
+  TextPathDiagnostics(const std::string& output, DiagnosticsEngine &diag)
+    : OutputFile(output), Diag(diag) {}
+
+  void FlushDiagnosticsImpl(std::vector<const PathDiagnostic *> &Diags,
+                            SmallVectorImpl<std::string> *FilesMade);
+  
+  virtual StringRef getName() const {
+    return "TextPathDiagnostics";
+  }
+
+  PathGenerationScheme getGenerationScheme() const { return Minimal; }
+  bool supportsLogicalOpControlFlow() const { return true; }
+  bool supportsAllBlockEdges() const { return true; }
+  virtual bool useVerboseDescription() const { return true; }
+};
+
+} // end anonymous namespace
+
+PathDiagnosticConsumer*
+ento::createTextPathDiagnosticConsumer(const std::string& out,
+                                     const Preprocessor &PP) {
+  return new TextPathDiagnostics(out, PP.getDiagnostics());
+}
+
+void TextPathDiagnostics::FlushDiagnosticsImpl(
+                              std::vector<const PathDiagnostic *> &Diags,
+                              SmallVectorImpl<std::string> *FilesMade) {
+  for (std::vector<const PathDiagnostic *>::iterator it = Diags.begin(),
+       et = Diags.end(); it != et; ++it) {
+    const PathDiagnostic *D = *it;
+    for (PathPieces::const_iterator I = D->path.begin(), E = D->path.end(); 
+         I != E; ++I) {
+      unsigned diagID =
+        Diag.getDiagnosticIDs()->getCustomDiagID(DiagnosticIDs::Note,
+                                                 (*I)->getString());
+      Diag.Report((*I)->getLocation().asLocation(), diagID);
+    }
+  }
+}