[clang-doc] address pr comments

clang-tools-extra/clang-doc/HTMLGenerator.cpp

@@ -289,9 +289,18 @@ genStylesheetsHTML(StringRef InfoPath, const ClangDocContext &CDCtx) {
 static std::vector<std::unique_ptr<TagNode>>
 genJsScriptsHTML(StringRef InfoPath, const ClangDocContext &CDCtx) {
   std::vector<std::unique_ptr<TagNode>> Out;
+
+  // index_json.js is part of every generated HTML file
+  SmallString<128> IndexJSONPath = computeRelativePath("", InfoPath);
+  auto IndexJSONNode = std::make_unique<TagNode>(HTMLTag::TAG_SCRIPT);
+  llvm::sys::path::append(IndexJSONPath, "index_json.js");
+  llvm::sys::path::native(IndexJSONPath, llvm::sys::path::Style::posix);
+  IndexJSONNode->Attributes.emplace_back("src", std::string(IndexJSONPath));
+  Out.emplace_back(std::move(IndexJSONNode));
+
   for (const auto &FilePath : CDCtx.JsScripts) {
-    auto ScriptNode = std::make_unique<TagNode>(HTMLTag::TAG_SCRIPT);
     SmallString<128> ScriptPath = computeRelativePath("", InfoPath);
+    auto ScriptNode = std::make_unique<TagNode>(HTMLTag::TAG_SCRIPT);
     llvm::sys::path::append(ScriptPath, llvm::sys::path::filename(FilePath));
     // Paths in HTML must be in posix-style
     llvm::sys::path::native(ScriptPath, llvm::sys::path::Style::posix);
@@ -1069,7 +1078,7 @@ llvm::Error HTMLGenerator::createResources(ClangDocContext &CDCtx) {
     if (Err)
       return Err;
   }
-  for (const auto &FilePath : CDCtx.FilesToCopy) {
+  for (const auto &FilePath : CDCtx.JsScripts) {
     Err = CopyFile(FilePath, CDCtx.OutDirectory);
     if (Err)
       return Err;

clang-tools-extra/clang-doc/Representation.cpp

@@ -368,11 +368,9 @@ ClangDocContext::ClangDocContext(tooling::ExecutionContext *ECtx,
                                  StringRef ProjectName, bool PublicOnly,
                                  StringRef OutDirectory, StringRef SourceRoot,
                                  StringRef RepositoryUrl,
-                                 std::vector<std::string> UserStylesheets,
-                                 std::vector<std::string> JsScripts)
+                                 std::vector<std::string> UserStylesheets)
     : ECtx(ECtx), ProjectName(ProjectName), PublicOnly(PublicOnly),
-      OutDirectory(OutDirectory), UserStylesheets(UserStylesheets),
-      JsScripts(JsScripts) {
+      OutDirectory(OutDirectory), UserStylesheets(UserStylesheets) {
   llvm::SmallString<128> SourceRootDir(SourceRoot);
   if (SourceRoot.empty())
     // If no SourceRoot was provided the current path is used as the default

clang-tools-extra/clang-doc/Representation.h

@@ -482,8 +482,7 @@ struct ClangDocContext {
   ClangDocContext(tooling::ExecutionContext *ECtx, StringRef ProjectName,
                   bool PublicOnly, StringRef OutDirectory, StringRef SourceRoot,
                   StringRef RepositoryUrl,
-                  std::vector<std::string> UserStylesheets,
-                  std::vector<std::string> JsScripts);
+                  std::vector<std::string> UserStylesheets);
   tooling::ExecutionContext *ECtx;
   std::string ProjectName; // Name of project clang-doc is documenting.
   bool PublicOnly; // Indicates if only public declarations are documented.
@@ -498,8 +497,6 @@ struct ClangDocContext {
   std::vector<std::string> UserStylesheets;
   // JavaScript files that will be imported in allHTML file.
   std::vector<std::string> JsScripts;
-  // Other files that should be copied to OutDirectory, besides UserStylesheets.
-  std::vector<std::string> FilesToCopy;
   Index Idx;
 };
 

clang-tools-extra/clang-doc/tool/ClangDocMain.cpp

@@ -150,7 +150,7 @@ llvm::Error getAssetFiles(clang::doc::ClangDocContext &CDCtx) {
         CDCtx.UserStylesheets.insert(CDCtx.UserStylesheets.begin(),
                                      std::string(FilePath));
       else if (llvm::sys::path::extension(FilePath) == ".js")
-        CDCtx.FilesToCopy.emplace_back(FilePath.str());
+        CDCtx.JsScripts.emplace_back(FilePath.str());
     }
   }
   if (FileErr)
@@ -176,8 +176,6 @@ llvm::Error getDefaultAssetFiles(const char *Argv0,
   llvm::sys::path::native(AssetsPath, IndexJS);
   llvm::sys::path::append(IndexJS, "index.js");
 
-  llvm::outs() << "Using default asset: " << AssetsPath << "\n";
-
   if (!llvm::sys::fs::is_regular_file(IndexJS))
     return llvm::createStringError(llvm::inconvertibleErrorCode(),
                                    "default index.js file missing at " +
@@ -191,7 +189,7 @@ llvm::Error getDefaultAssetFiles(const char *Argv0,
 
   CDCtx.UserStylesheets.insert(CDCtx.UserStylesheets.begin(),
                                std::string(DefaultStylesheet));
-  CDCtx.FilesToCopy.emplace_back(IndexJS.str());
+  CDCtx.JsScripts.emplace_back(IndexJS.str());
 
   return llvm::Error::success();
 }
@@ -254,12 +252,13 @@ Example usage for a project using a compile commands database:
       OutDirectory,
       SourceRoot,
       RepositoryUrl,
-      {UserStylesheets.begin(), UserStylesheets.end()},
-      {"index.js", "index_json.js"}};
+      {UserStylesheets.begin(), UserStylesheets.end()}
+  };
 
   if (Format == "html") {
     if (auto Err = getHtmlAssetFiles(argv[0], CDCtx)) {
-      llvm::outs() << "warning: " <<  toString(std::move(Err)) << "\n";
+      llvm::errs() << toString(std::move(Err)) << "\n";
+      return 1;
     }
   }
 

clang-tools-extra/test/clang-doc/Inputs/test-assets/test.css

@@ -0,0 +1,3 @@
+body {
+    padding: 0;
+}

clang-tools-extra/test/clang-doc/Inputs/test-assets/test.js

@@ -0,0 +1 @@
+console.log("Hello, world!");

clang-tools-extra/test/clang-doc/assets.cpp

@@ -0,0 +1,22 @@
+// RUN: rm -rf %t && mkdir %t
+// RUN: clang-doc --format=html --output=%t --asset=%S/Inputs/test-assets --executor=standalone %s --output=%t/docs
+// RUN: FileCheck %s -input-file=%t/index.html -check-prefix=INDEX
+// RUN: FileCheck %s -input-file=%t/test.css -check-prefix=CSS
+// RUN: FileCheck %s -input-file=%t/test.js -check-prefix=JS
+
+// INDEX: <!DOCTYPE html>
+// INDEX-NEXT: <meta charset="utf-8"/>
+// INDEX-NEXT: <title>Index</title>
+// INDEX-NEXT: <link rel="stylesheet" href="test.css"/>
+// INDEX-NEXT: <script src="index_json.js"></script>
+// INDEX-NEXT: <script src="test.js"></script>
+// INDEX-NEXT: <header id="project-title"></header>
+// INDEX-NEXT: <main>
+// INDEX-NEXT:   <div id="sidebar-left" path="" class="col-xs-6 col-sm-3 col-md-2 sidebar sidebar-offcanvas-left" style="flex: 0 100%;"></div>
+// INDEX-NEXT: </main>
+
+// CSS: body {
+// CSS-NEXT:     padding: 0;
+// CSS-NEXT: }
+
+// JS: console.log("Hello, world!");

clang-tools-extra/unittests/clang-doc/HTMLGeneratorTest.cpp

@@ -30,7 +30,7 @@ ClangDocContext
 getClangDocContext(std::vector<std::string> UserStylesheets = {},
                    StringRef RepositoryUrl = "") {
   ClangDocContext CDCtx{
-      {}, "test-project", {}, {}, {}, RepositoryUrl, UserStylesheets, {}};
+      {}, "test-project", {}, {}, {}, RepositoryUrl, UserStylesheets};
   CDCtx.UserStylesheets.insert(
       CDCtx.UserStylesheets.begin(),
       "../share/clang/clang-doc-default-stylesheet.css");
@@ -66,6 +66,7 @@ TEST(HTMLGeneratorTest, emitNamespaceHTML) {
 <title>namespace Namespace</title>
 <link rel="stylesheet" href="../clang-doc-default-stylesheet.css"/>
 <link rel="stylesheet" href="../user-provided-stylesheet.css"/>
+<script src="../index_json.js"></script>
 <script src="../index.js"></script>
 <header id="project-title">test-project</header>
 <main>
@@ -176,6 +177,7 @@ TEST(HTMLGeneratorTest, emitRecordHTML) {
 <meta charset="utf-8"/>
 <title>class r</title>
 <link rel="stylesheet" href="../../../clang-doc-default-stylesheet.css"/>
+<script src="../../../index_json.js"></script>
 <script src="../../../index.js"></script>
 <header id="project-title">test-project</header>
 <main>
@@ -290,6 +292,7 @@ TEST(HTMLGeneratorTest, emitFunctionHTML) {
 <meta charset="utf-8"/>
 <title></title>
 <link rel="stylesheet" href="clang-doc-default-stylesheet.css"/>
+<script src="index_json.js"></script>
 <script src="index.js"></script>
 <header id="project-title">test-project</header>
 <main>
@@ -337,6 +340,7 @@ TEST(HTMLGeneratorTest, emitEnumHTML) {
 <meta charset="utf-8"/>
 <title></title>
 <link rel="stylesheet" href="clang-doc-default-stylesheet.css"/>
+<script src="index_json.js"></script>
 <script src="index.js"></script>
 <header id="project-title">test-project</header>
 <main>
@@ -422,6 +426,7 @@ TEST(HTMLGeneratorTest, emitCommentHTML) {
 <meta charset="utf-8"/>
 <title></title>
 <link rel="stylesheet" href="clang-doc-default-stylesheet.css"/>
+<script src="index_json.js"></script>
 <script src="index.js"></script>
 <header id="project-title">test-project</header>
 <main>