From 486754660bb926339aefcf012a3f848592babb8b Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sat, 28 Jul 2018 11:06:01 +0000
Subject: Vendor import of clang trunk r338150:
 https://llvm.org/svn/llvm-project/cfe/trunk@338150

---
 lib/Rewrite/HTMLRewrite.cpp | 224 +++++++++++++++++++++++++++-----------------
 1 file changed, 139 insertions(+), 85 deletions(-)

(limited to 'lib/Rewrite/HTMLRewrite.cpp')

diff --git a/lib/Rewrite/HTMLRewrite.cpp b/lib/Rewrite/HTMLRewrite.cpp
index 618c0179f100..d93961f3582e 100644
--- a/lib/Rewrite/HTMLRewrite.cpp
+++ b/lib/Rewrite/HTMLRewrite.cpp
@@ -30,7 +30,8 @@ using namespace clang;
 /// start/end tags are placed at the start/end of each line if the range is
 /// multiline.
 void html::HighlightRange(Rewriter &R, SourceLocation B, SourceLocation E,
-                          const char *StartTag, const char *EndTag) {
+                          const char *StartTag, const char *EndTag,
+                          bool IsTokenRange) {
   SourceManager &SM = R.getSourceMgr();
   B = SM.getExpansionLoc(B);
   E = SM.getExpansionLoc(E);
@@ -41,7 +42,8 @@ void html::HighlightRange(Rewriter &R, SourceLocation B, SourceLocation E,
   unsigned EOffset = SM.getFileOffset(E);
 
   // Include the whole end token in the range.
-  EOffset += Lexer::MeasureTokenLength(E, R.getSourceMgr(), R.getLangOpts());
+  if (IsTokenRange)
+    EOffset += Lexer::MeasureTokenLength(E, R.getSourceMgr(), R.getLangOpts());
 
   bool Invalid = false;
   const char *BufferStart = SM.getBufferData(FID, &Invalid).data();
@@ -210,9 +212,9 @@ static void AddLineNumber(RewriteBuffer &RB, unsigned LineNo,
   SmallString<256> Str;
   llvm::raw_svector_ostream OS(Str);
 
-  OS << "<tr><td class=\"num\" id=\"LN"
-     << LineNo << "\">"
-     << LineNo << "</td><td class=\"line\">";
+  OS << "<tr class=\"codeline\" data-linenumber=\"" << LineNo << "\">"
+     << "<td class=\"num\" id=\"LN" << LineNo << "\">" << LineNo
+     << "</td><td class=\"line\">";
 
   if (B == E) { // Handle empty lines.
     OS << " </td></tr>";
@@ -263,7 +265,10 @@ void html::AddLineNumbers(Rewriter& R, FileID FID) {
   }
 
   // Add one big table tag that surrounds all of the code.
-  RB.InsertTextBefore(0, "<table class=\"code\">\n");
+  std::string s;
+  llvm::raw_string_ostream os(s);
+  os << "<table class=\"code\" data-fileid=\"" << FID.getHashValue() << "\">\n";
+  RB.InsertTextBefore(0, os.str());
   RB.InsertTextAfter(FileEnd - FileBeg, "</table>");
 }
 
@@ -285,78 +290,128 @@ void html::AddHeaderFooterInternalBuiltinCSS(Rewriter &R, FileID FID,
   if (!title.empty())
     os << "<title>" << html::EscapeText(title) << "</title>\n";
 
-  os << "<style type=\"text/css\">\n"
-      " body { color:#000000; background-color:#ffffff }\n"
-      " body { font-family:Helvetica, sans-serif; font-size:10pt }\n"
-      " h1 { font-size:14pt }\n"
-      " .FileName { margin-top: 5px; margin-bottom: 5px; display: inline; }\n"
-      " .FileNav { margin-left: 5px; margin-right: 5px; display: inline; }\n"
-      " .FileNav a { text-decoration:none; font-size: larger; }\n"
-      " .divider { margin-top: 30px; margin-bottom: 30px; height: 15px; }\n"
-      " .divider { background-color: gray; }\n"
-      " .code { border-collapse:collapse; width:100%; }\n"
-      " .code { font-family: \"Monospace\", monospace; font-size:10pt }\n"
-      " .code { line-height: 1.2em }\n"
-      " .comment { color: green; font-style: oblique }\n"
-      " .keyword { color: blue }\n"
-      " .string_literal { color: red }\n"
-      " .directive { color: darkmagenta }\n"
-      // Macro expansions.
-      " .expansion { display: none; }\n"
-      " .macro:hover .expansion { display: block; border: 2px solid #FF0000; "
-          "padding: 2px; background-color:#FFF0F0; font-weight: normal; "
-          "  -webkit-border-radius:5px;  -webkit-box-shadow:1px 1px 7px #000; "
-          "  border-radius:5px;  box-shadow:1px 1px 7px #000; "
-          "position: absolute; top: -1em; left:10em; z-index: 1 } \n"
-      " .macro { color: darkmagenta; background-color:LemonChiffon;"
-             // Macros are position: relative to provide base for expansions.
-             " position: relative }\n"
-      " .num { width:2.5em; padding-right:2ex; background-color:#eeeeee }\n"
-      " .num { text-align:right; font-size:8pt }\n"
-      " .num { color:#444444 }\n"
-      " .line { padding-left: 1ex; border-left: 3px solid #ccc }\n"
-      " .line { white-space: pre }\n"
-      " .msg { -webkit-box-shadow:1px 1px 7px #000 }\n"
-      " .msg { box-shadow:1px 1px 7px #000 }\n"
-      " .msg { -webkit-border-radius:5px }\n"
-      " .msg { border-radius:5px }\n"
-      " .msg { font-family:Helvetica, sans-serif; font-size:8pt }\n"
-      " .msg { float:left }\n"
-      " .msg { padding:0.25em 1ex 0.25em 1ex }\n"
-      " .msg { margin-top:10px; margin-bottom:10px }\n"
-      " .msg { font-weight:bold }\n"
-      " .msg { max-width:60em; word-wrap: break-word; white-space: pre-wrap }\n"
-      " .msgT { padding:0x; spacing:0x }\n"
-      " .msgEvent { background-color:#fff8b4; color:#000000 }\n"
-      " .msgControl { background-color:#bbbbbb; color:#000000 }\n"
-      " .msgNote { background-color:#ddeeff; color:#000000 }\n"
-      " .mrange { background-color:#dfddf3 }\n"
-      " .mrange { border-bottom:1px solid #6F9DBE }\n"
-      " .PathIndex { font-weight: bold; padding:0px 5px; "
-        "margin-right:5px; }\n"
-      " .PathIndex { -webkit-border-radius:8px }\n"
-      " .PathIndex { border-radius:8px }\n"
-      " .PathIndexEvent { background-color:#bfba87 }\n"
-      " .PathIndexControl { background-color:#8c8c8c }\n"
-      " .PathNav a { text-decoration:none; font-size: larger }\n"
-      " .CodeInsertionHint { font-weight: bold; background-color: #10dd10 }\n"
-      " .CodeRemovalHint { background-color:#de1010 }\n"
-      " .CodeRemovalHint { border-bottom:1px solid #6F9DBE }\n"
-      " .selected{ background-color:orange !important; }\n"
-      " table.simpletable {\n"
-      "   padding: 5px;\n"
-      "   font-size:12pt;\n"
-      "   margin:20px;\n"
-      "   border-collapse: collapse; border-spacing: 0px;\n"
-      " }\n"
-      " td.rowname {\n"
-      "   text-align: right;\n"
-      "   vertical-align: top;\n"
-      "   font-weight: bold;\n"
-      "   color:#444444;\n"
-      "   padding-right:2ex;\n"
-      " }\n"
-      "</style>\n</head>\n<body>";
+  os << R"<<<(
+<style type="text/css">
+body { color:#000000; background-color:#ffffff }
+body { font-family:Helvetica, sans-serif; font-size:10pt }
+h1 { font-size:14pt }
+.FileName { margin-top: 5px; margin-bottom: 5px; display: inline; }
+.FileNav { margin-left: 5px; margin-right: 5px; display: inline; }
+.FileNav a { text-decoration:none; font-size: larger; }
+.divider { margin-top: 30px; margin-bottom: 30px; height: 15px; }
+.divider { background-color: gray; }
+.code { border-collapse:collapse; width:100%; }
+.code { font-family: "Monospace", monospace; font-size:10pt }
+.code { line-height: 1.2em }
+.comment { color: green; font-style: oblique }
+.keyword { color: blue }
+.string_literal { color: red }
+.directive { color: darkmagenta }
+/* Macro expansions. */
+.expansion { display: none; }
+.macro:hover .expansion {
+  display: block;
+  border: 2px solid #FF0000;
+  padding: 2px;
+  background-color:#FFF0F0;
+  font-weight: normal;
+  -webkit-border-radius:5px;
+  -webkit-box-shadow:1px 1px 7px #000;
+  border-radius:5px;
+  box-shadow:1px 1px 7px #000;
+  position: absolute;
+  top: -1em;
+  left:10em;
+  z-index: 1
+}
+
+#tooltiphint {
+  position: fixed;
+  width: 50em;
+  margin-left: -25em;
+  left: 50%;
+  padding: 10px;
+  border: 1px solid #b0b0b0;
+  border-radius: 2px;
+  box-shadow: 1px 1px 7px black;
+  background-color: #c0c0c0;
+  z-index: 2;
+}
+.macro {
+  color: darkmagenta;
+  background-color:LemonChiffon;
+  /* Macros are position: relative to provide base for expansions. */
+  position: relative;
+}
+
+.num { width:2.5em; padding-right:2ex; background-color:#eeeeee }
+.num { text-align:right; font-size:8pt }
+.num { color:#444444 }
+.line { padding-left: 1ex; border-left: 3px solid #ccc }
+.line { white-space: pre }
+.msg { -webkit-box-shadow:1px 1px 7px #000 }
+.msg { box-shadow:1px 1px 7px #000 }
+.msg { -webkit-border-radius:5px }
+.msg { border-radius:5px }
+.msg { font-family:Helvetica, sans-serif; font-size:8pt }
+.msg { float:left }
+.msg { padding:0.25em 1ex 0.25em 1ex }
+.msg { margin-top:10px; margin-bottom:10px }
+.msg { font-weight:bold }
+.msg { max-width:60em; word-wrap: break-word; white-space: pre-wrap }
+.msgT { padding:0x; spacing:0x }
+.msgEvent { background-color:#fff8b4; color:#000000 }
+.msgControl { background-color:#bbbbbb; color:#000000 }
+.msgNote { background-color:#ddeeff; color:#000000 }
+.mrange { background-color:#dfddf3 }
+.mrange { border-bottom:1px solid #6F9DBE }
+.PathIndex { font-weight: bold; padding:0px 5px; margin-right:5px; }
+.PathIndex { -webkit-border-radius:8px }
+.PathIndex { border-radius:8px }
+.PathIndexEvent { background-color:#bfba87 }
+.PathIndexControl { background-color:#8c8c8c }
+.PathNav a { text-decoration:none; font-size: larger }
+.CodeInsertionHint { font-weight: bold; background-color: #10dd10 }
+.CodeRemovalHint { background-color:#de1010 }
+.CodeRemovalHint { border-bottom:1px solid #6F9DBE }
+.selected{ background-color:orange !important; }
+
+table.simpletable {
+  padding: 5px;
+  font-size:12pt;
+  margin:20px;
+  border-collapse: collapse; border-spacing: 0px;
+}
+td.rowname {
+  text-align: right;
+  vertical-align: top;
+  font-weight: bold;
+  color:#444444;
+  padding-right:2ex;
+}
+
+/* Hidden text. */
+input.spoilerhider + label {
+  cursor: pointer;
+  text-decoration: underline;
+  display: block;
+}
+input.spoilerhider {
+ display: none;
+}
+input.spoilerhider ~ .spoiler {
+  overflow: hidden;
+  margin: 10px auto 0;
+  height: 0;
+  opacity: 0;
+}
+input.spoilerhider:checked + label + .spoiler{
+  height: auto;
+  opacity: 1;
+}
+</style>
+</head>
+<body>)<<<";
 
   // Generate header
   R.InsertTextBefore(StartLoc, os.str());
@@ -535,16 +590,15 @@ void html::HighlightMacros(Rewriter &R, FileID FID, const Preprocessor& PP) {
     // Okay, we have the first token of a macro expansion: highlight the
     // expansion by inserting a start tag before the macro expansion and
     // end tag after it.
-    std::pair<SourceLocation, SourceLocation> LLoc =
-      SM.getExpansionRange(Tok.getLocation());
+    CharSourceRange LLoc = SM.getExpansionRange(Tok.getLocation());
 
     // Ignore tokens whose instantiation location was not the main file.
-    if (SM.getFileID(LLoc.first) != FID) {
+    if (SM.getFileID(LLoc.getBegin()) != FID) {
       TmpPP.Lex(Tok);
       continue;
     }
 
-    assert(SM.getFileID(LLoc.second) == FID &&
+    assert(SM.getFileID(LLoc.getEnd()) == FID &&
            "Start and end of expansion must be in the same ultimate file!");
 
     std::string Expansion = EscapeText(TmpPP.getSpelling(Tok));
@@ -559,7 +613,7 @@ void html::HighlightMacros(Rewriter &R, FileID FID, const Preprocessor& PP) {
     // instantiation.  It would be really nice to pop up a window with all the
     // spelling of the tokens or something.
     while (!Tok.is(tok::eof) &&
-           SM.getExpansionLoc(Tok.getLocation()) == LLoc.first) {
+           SM.getExpansionLoc(Tok.getLocation()) == LLoc.getBegin()) {
       // Insert a newline if the macro expansion is getting large.
       if (LineLen > 60) {
         Expansion += "<br>";
@@ -588,8 +642,8 @@ void html::HighlightMacros(Rewriter &R, FileID FID, const Preprocessor& PP) {
     // highlighted.
     Expansion = "<span class='expansion'>" + Expansion + "</span></span>";
 
-    HighlightRange(R, LLoc.first, LLoc.second,
-                   "<span class='macro'>", Expansion.c_str());
+    HighlightRange(R, LLoc.getBegin(), LLoc.getEnd(), "<span class='macro'>",
+                   Expansion.c_str(), LLoc.isTokenRange());
   }
 
   // Restore the preprocessor's old state.
-- 
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