[llvm-cov] Add the project summary to each source file coverage report.

This patch includes the following changes:
- Included header "Code coverage report" and include the date that the report was created.
- Included title (as specified in a command line option, (i.e llvm-cov  -project-title="Simple Test")
- In the summary, list the elf files that the source code file has contributed to.
- Used column heading for "Line No.", "Count No.", Source".

Differential Revision: https://reviews.llvm.org/D23345

llvm-svn: 279628

1 files changed, 12 insertions, 7 deletions

diff --git a/llvm/tools/llvm-cov/SourceCoverageView.cpp b/llvm/tools/llvm-cov/SourceCoverageView.cpp
index 6fab1afd6b6..23f725fccdc 100644
--- a/llvm/tools/llvm-cov/SourceCoverageView.cpp
+++ b/llvm/tools/llvm-cov/SourceCoverageView.cpp
@@ -109,14 +109,15 @@ bool SourceCoverageView::hasSubViews() const {
 std::unique_ptr<SourceCoverageView>
 SourceCoverageView::create(StringRef SourceName, const MemoryBuffer &File,
                            const CoverageViewOptions &Options,
-                           coverage::CoverageData &&CoverageInfo) {
+                           coverage::CoverageData &&CoverageInfo,
+                           bool FunctionView) {
   switch (Options.Format) {
   case CoverageViewOptions::OutputFormat::Text:
-    return llvm::make_unique<SourceCoverageViewText>(SourceName, File, Options,
-                                                     std::move(CoverageInfo));
+    return llvm::make_unique<SourceCoverageViewText>(
+        SourceName, File, Options, std::move(CoverageInfo), FunctionView);
   case CoverageViewOptions::OutputFormat::HTML:
-    return llvm::make_unique<SourceCoverageViewHTML>(SourceName, File, Options,
-                                                     std::move(CoverageInfo));
+    return llvm::make_unique<SourceCoverageViewHTML>(
+        SourceName, File, Options, std::move(CoverageInfo), FunctionView);
   }
   llvm_unreachable("Unknown coverage output format!");
 }
@@ -135,11 +136,15 @@ void SourceCoverageView::addInstantiation(
 
 void SourceCoverageView::print(raw_ostream &OS, bool WholeFile,
                                bool ShowSourceName, unsigned ViewDepth) {
-  if (ShowSourceName)
-    renderSourceName(OS);
+  if (WholeFile)
+    renderCellInTitle(OS, "Code Coverage Report");
 
   renderViewHeader(OS);
 
+  if (ShowSourceName)
+    renderSourceName(OS, WholeFile);
+
+  renderTableHeader(OS, ViewDepth);
   // We need the expansions and instantiations sorted so we can go through them
   // while we iterate lines.
   std::sort(ExpansionSubViews.begin(), ExpansionSubViews.end());