[llvm-cov] Use less space to describe source names

In r279628, we made SourceCoverageView list the binary associated with a
view and started adding labels (e.g "Source: foo" or "Function: bar") to
everything. Condense this information a bit to unclutter reports.

llvm-svn: 280896
diff --git a/llvm/tools/llvm-cov/CodeCoverage.cpp b/llvm/tools/llvm-cov/CodeCoverage.cpp
index 9755b60..e5b9b69 100644
--- a/llvm/tools/llvm-cov/CodeCoverage.cpp
+++ b/llvm/tools/llvm-cov/CodeCoverage.cpp
@@ -210,9 +210,9 @@
     return nullptr;
 
   auto Expansions = FunctionCoverage.getExpansions();
-  auto View = SourceCoverageView::create(
-      getSymbolForHumans(Function.Name), SourceBuffer.get(), ViewOpts,
-      std::move(FunctionCoverage), /*FunctionView=*/true);
+  auto View = SourceCoverageView::create(getSymbolForHumans(Function.Name),
+                                         SourceBuffer.get(), ViewOpts,
+                                         std::move(FunctionCoverage));
   attachExpansionSubViews(*View, Expansions, Coverage);
 
   return View;
@@ -238,7 +238,7 @@
     auto SubViewExpansions = SubViewCoverage.getExpansions();
     auto SubView = SourceCoverageView::create(
         getSymbolForHumans(Function->Name), SourceBuffer.get(), ViewOpts,
-        std::move(SubViewCoverage), /*FunctionView=*/true);
+        std::move(SubViewCoverage));
     attachExpansionSubViews(*SubView, SubViewExpansions, Coverage);
 
     if (SubView) {
diff --git a/llvm/tools/llvm-cov/SourceCoverageView.cpp b/llvm/tools/llvm-cov/SourceCoverageView.cpp
index 47980ab..cfcaf2e 100644
--- a/llvm/tools/llvm-cov/SourceCoverageView.cpp
+++ b/llvm/tools/llvm-cov/SourceCoverageView.cpp
@@ -129,26 +129,28 @@
 std::unique_ptr<SourceCoverageView>
 SourceCoverageView::create(StringRef SourceName, const MemoryBuffer &File,
                            const CoverageViewOptions &Options,
-                           coverage::CoverageData &&CoverageInfo,
-                           bool FunctionView) {
+                           coverage::CoverageData &&CoverageInfo) {
   switch (Options.Format) {
   case CoverageViewOptions::OutputFormat::Text:
     return llvm::make_unique<SourceCoverageViewText>(
-        SourceName, File, Options, std::move(CoverageInfo), FunctionView);
+        SourceName, File, Options, std::move(CoverageInfo));
   case CoverageViewOptions::OutputFormat::HTML:
     return llvm::make_unique<SourceCoverageViewHTML>(
-        SourceName, File, Options, std::move(CoverageInfo), FunctionView);
+        SourceName, File, Options, std::move(CoverageInfo));
   }
   llvm_unreachable("Unknown coverage output format!");
 }
 
-std::string SourceCoverageView::getNativeSourceName() const {
-  std::string SourceFile = isFunctionView() ? "Function: " : "Source: ";
-  SourceFile += getSourceName().str();
-  SmallString<128> SourceText(SourceFile);
+std::string SourceCoverageView::getSourceName() const {
+  SmallString<128> SourceText(SourceName);
   sys::path::remove_dots(SourceText, /*remove_dot_dots=*/true);
   sys::path::native(SourceText);
-  return SourceText.c_str();
+  return SourceText.str();
+}
+
+std::string SourceCoverageView::getVerboseSourceName() const {
+  return "Source: " + getSourceName() + " (Binary: " +
+         sys::path::filename(getOptions().ObjectFilename).str() + ")";
 }
 
 void SourceCoverageView::addExpansion(
diff --git a/llvm/tools/llvm-cov/SourceCoverageView.h b/llvm/tools/llvm-cov/SourceCoverageView.h
index 63c5b65..f2d5d61 100644
--- a/llvm/tools/llvm-cov/SourceCoverageView.h
+++ b/llvm/tools/llvm-cov/SourceCoverageView.h
@@ -172,9 +172,6 @@
   /// on display.
   std::vector<InstantiationView> InstantiationSubViews;
 
-  /// Specifies whether or not the view is a function view.
-  bool FunctionView;
-
   /// Get the first uncovered line number for the source file.
   unsigned getFirstUncoveredLineNo();
 
@@ -264,24 +261,24 @@
 
   SourceCoverageView(StringRef SourceName, const MemoryBuffer &File,
                      const CoverageViewOptions &Options,
-                     coverage::CoverageData &&CoverageInfo, bool FunctionView)
+                     coverage::CoverageData &&CoverageInfo)
       : SourceName(SourceName), File(File), Options(Options),
-        CoverageInfo(std::move(CoverageInfo)), FunctionView(FunctionView) {}
+        CoverageInfo(std::move(CoverageInfo)) {}
 
 public:
   static std::unique_ptr<SourceCoverageView>
   create(StringRef SourceName, const MemoryBuffer &File,
          const CoverageViewOptions &Options,
-         coverage::CoverageData &&CoverageInfo, bool FucntionView = false);
+         coverage::CoverageData &&CoverageInfo);
 
   virtual ~SourceCoverageView() {}
 
-  StringRef getSourceName() const { return SourceName; }
-
   /// \brief Return the source name formatted for the host OS.
-  std::string getNativeSourceName() const;
+  std::string getSourceName() const;
 
-  bool isFunctionView() const { return FunctionView; }
+  /// \brief Return a verbose description of the source name and the binary it
+  /// corresponds to.
+  std::string getVerboseSourceName() const;
 
   const CoverageViewOptions &getOptions() const { return Options; }
 
diff --git a/llvm/tools/llvm-cov/SourceCoverageViewHTML.cpp b/llvm/tools/llvm-cov/SourceCoverageViewHTML.cpp
index 52e594f..ca3f350 100644
--- a/llvm/tools/llvm-cov/SourceCoverageViewHTML.cpp
+++ b/llvm/tools/llvm-cov/SourceCoverageViewHTML.cpp
@@ -341,12 +341,10 @@
 void SourceCoverageViewHTML::renderSourceName(raw_ostream &OS, bool WholeFile,
                                               unsigned FirstUncoveredLineNo) {
   OS << BeginSourceNameDiv;
-  // Render the source name for the view.
-  OS << tag("pre", escape(getNativeSourceName(), getOptions()));
+  std::string ViewInfo = escape(
+      WholeFile ? getVerboseSourceName() : getSourceName(), getOptions());
+  OS << tag("pre", ViewInfo);
   if (WholeFile) {
-    // Render the object file name for the view.
-    OS << tag("pre",
-              escape("Binary: " + getOptions().ObjectFilename, getOptions()));
     // Render the "Go to first unexecuted line" link for the view.
     if (FirstUncoveredLineNo != 0) { // The file is not fully covered
       std::string LinkText =
diff --git a/llvm/tools/llvm-cov/SourceCoverageViewHTML.h b/llvm/tools/llvm-cov/SourceCoverageViewHTML.h
index 42fec6f..edbe7c4 100644
--- a/llvm/tools/llvm-cov/SourceCoverageViewHTML.h
+++ b/llvm/tools/llvm-cov/SourceCoverageViewHTML.h
@@ -78,10 +78,9 @@
 public:
   SourceCoverageViewHTML(StringRef SourceName, const MemoryBuffer &File,
                          const CoverageViewOptions &Options,
-                         coverage::CoverageData &&CoverageInfo,
-                         bool FunctionView)
-      : SourceCoverageView(SourceName, File, Options, std::move(CoverageInfo),
-                           FunctionView) {}
+                         coverage::CoverageData &&CoverageInfo)
+      : SourceCoverageView(SourceName, File, Options, std::move(CoverageInfo)) {
+  }
 };
 
 } // namespace llvm
diff --git a/llvm/tools/llvm-cov/SourceCoverageViewText.cpp b/llvm/tools/llvm-cov/SourceCoverageViewText.cpp
index 6dec4c7..3d2c067 100644
--- a/llvm/tools/llvm-cov/SourceCoverageViewText.cpp
+++ b/llvm/tools/llvm-cov/SourceCoverageViewText.cpp
@@ -65,12 +65,8 @@
 
 void SourceCoverageViewText::renderSourceName(raw_ostream &OS, bool WholeFile,
                                               unsigned FirstUncoveredLineNo) {
-  getOptions().colored_ostream(OS, raw_ostream::CYAN) << getNativeSourceName()
-                                                      << ":\n";
-  if (WholeFile) {
-    getOptions().colored_ostream(OS, raw_ostream::CYAN)
-        << "Binary: " << getOptions().ObjectFilename << ":\n";
-  }
+  std::string ViewInfo = WholeFile ? getVerboseSourceName() : getSourceName();
+  getOptions().colored_ostream(OS, raw_ostream::CYAN) << ViewInfo << ":\n";
 }
 
 void SourceCoverageViewText::renderLinePrefix(raw_ostream &OS,
diff --git a/llvm/tools/llvm-cov/SourceCoverageViewText.h b/llvm/tools/llvm-cov/SourceCoverageViewText.h
index dd78d3a..fe2642a 100644
--- a/llvm/tools/llvm-cov/SourceCoverageViewText.h
+++ b/llvm/tools/llvm-cov/SourceCoverageViewText.h
@@ -78,10 +78,9 @@
 public:
   SourceCoverageViewText(StringRef SourceName, const MemoryBuffer &File,
                          const CoverageViewOptions &Options,
-                         coverage::CoverageData &&CoverageInfo,
-                         bool FunctionView)
-      : SourceCoverageView(SourceName, File, Options, std::move(CoverageInfo),
-                           FunctionView) {}
+                         coverage::CoverageData &&CoverageInfo)
+      : SourceCoverageView(SourceName, File, Options, std::move(CoverageInfo)) {
+  }
 };
 
 } // namespace llvm