static bool compare(const PathDiagnostic &X, const PathDiagnostic &Y) {
FullSourceLoc XL = X.getLocation().asLocation();
FullSourceLoc YL = Y.getLocation().asLocation();
if (XL != YL)
return compareCrossTUSourceLocs(XL, YL);
if (X.getBugType() != Y.getBugType())
return X.getBugType() < Y.getBugType();
if (X.getCategory() != Y.getCategory())
return X.getCategory() < Y.getCategory();
if (X.getVerboseDescription() != Y.getVerboseDescription())
return X.getVerboseDescription() < Y.getVerboseDescription();
if (X.getShortDescription() != Y.getShortDescription())
return X.getShortDescription() < Y.getShortDescription();
if (X.getDeclWithIssue() != Y.getDeclWithIssue()) {
const Decl *XD = X.getDeclWithIssue();
if (!XD)
return true;
const Decl *YD = Y.getDeclWithIssue();
if (!YD)
return false;
SourceLocation XDL = XD->getLocation();
SourceLocation YDL = YD->getLocation();
if (XDL != YDL) {
const SourceManager &SM = XL.getManager();
return compareCrossTUSourceLocs(FullSourceLoc(XDL, SM),
FullSourceLoc(YDL, SM));
}
}
PathDiagnostic::meta_iterator XI = X.meta_begin(), XE = X.meta_end();
PathDiagnostic::meta_iterator YI = Y.meta_begin(), YE = Y.meta_end();
if (XE - XI != YE - YI)
return (XE - XI) < (YE - YI);
for ( ; XI != XE ; ++XI, ++YI) {
if (*XI != *YI)
return (*XI) < (*YI);
}
Optional<bool> b = comparePath(X.path, Y.path);
assert(b.hasValue());
return b.getValue();
}
void HTMLDiagnostics::ReportDiag(const PathDiagnostic& D,
FilesMade *filesMade) {
// Create the HTML directory if it is missing.
if (!createdDir) {
createdDir = true;
if (std::error_code ec = llvm::sys::fs::create_directories(Directory)) {
llvm::errs() << "warning: could not create directory '"
<< Directory << "': " << ec.message() << '\n';
noDir = true;
return;
}
}
if (noDir)
return;
// First flatten out the entire path to make it easier to use.
PathPieces path = D.path.flatten(/*ShouldFlattenMacros=*/false);
// The path as already been prechecked that all parts of the path are
// from the same file and that it is non-empty.
const SourceManager &SMgr = (*path.begin())->getLocation().getManager();
assert(!path.empty());
FileID FID =
(*path.begin())->getLocation().asLocation().getExpansionLoc().getFileID();
assert(!FID.isInvalid());
// Create a new rewriter to generate HTML.
Rewriter R(const_cast<SourceManager&>(SMgr), PP.getLangOpts());
// Get the function/method name
SmallString<128> declName("unknown");
int offsetDecl = 0;
if (const Decl *DeclWithIssue = D.getDeclWithIssue()) {
if (const NamedDecl *ND = dyn_cast<NamedDecl>(DeclWithIssue)) {
declName = ND->getDeclName().getAsString();
}
if (const Stmt *Body = DeclWithIssue->getBody()) {
// Retrieve the relative position of the declaration which will be used
// for the file name
FullSourceLoc L(
SMgr.getExpansionLoc((*path.rbegin())->getLocation().asLocation()),
SMgr);
FullSourceLoc FunL(SMgr.getExpansionLoc(Body->getLocStart()), SMgr);
offsetDecl = L.getExpansionLineNumber() - FunL.getExpansionLineNumber();
}
}
// Process the path.
unsigned n = path.size();
unsigned max = n;
for (PathPieces::const_reverse_iterator I = path.rbegin(),
E = path.rend();
I != E; ++I, --n)
HandlePiece(R, FID, **I, n, max);
// Add line numbers, header, footer, etc.
// unsigned FID = R.getSourceMgr().getMainFileID();
html::EscapeText(R, FID);
html::AddLineNumbers(R, FID);
// If we have a preprocessor, relex the file and syntax highlight.
// We might not have a preprocessor if we come from a deserialized AST file,
// for example.
html::SyntaxHighlight(R, FID, PP);
html::HighlightMacros(R, FID, PP);
// Get the full directory name of the analyzed file.
const FileEntry* Entry = SMgr.getFileEntryForID(FID);
// This is a cludge; basically we want to append either the full
// working directory if we have no directory information. This is
// a work in progress.
llvm::SmallString<0> DirName;
if (llvm::sys::path::is_relative(Entry->getName())) {
llvm::sys::fs::current_path(DirName);
DirName += '/';
}
int LineNumber = (*path.rbegin())->getLocation().asLocation().getExpansionLineNumber();
int ColumnNumber = (*path.rbegin())->getLocation().asLocation().getExpansionColumnNumber();
// Add the name of the file as an <h1> tag.
{
std::string s;
llvm::raw_string_ostream os(s);
os << "<!-- REPORTHEADER -->\n"
<< "<h3>Bug Summary</h3>\n<table class=\"simpletable\">\n"
"<tr><td class=\"rowname\">File:</td><td>"
<< html::EscapeText(DirName)
<< html::EscapeText(Entry->getName())
<< "</td></tr>\n<tr><td class=\"rowname\">Location:</td><td>"
"<a href=\"#EndPath\">line "
<< LineNumber
<< ", column "
<< ColumnNumber
<< "</a></td></tr>\n"
"<tr><td class=\"rowname\">Description:</td><td>"
<< D.getVerboseDescription() << "</td></tr>\n";
// Output any other meta data.
for (PathDiagnostic::meta_iterator I=D.meta_begin(), E=D.meta_end();
I!=E; ++I) {
os << "<tr><td></td><td>" << html::EscapeText(*I) << "</td></tr>\n";
}
os << "</table>\n<!-- REPORTSUMMARYEXTRA -->\n"
"<h3>Annotated Source Code</h3>\n";
R.InsertTextBefore(SMgr.getLocForStartOfFile(FID), os.str());
}
// Embed meta-data tags.
{
std::string s;
llvm::raw_string_ostream os(s);
StringRef BugDesc = D.getVerboseDescription();
if (!BugDesc.empty())
os << "\n<!-- BUGDESC " << BugDesc << " -->\n";
StringRef BugType = D.getBugType();
if (!BugType.empty())
os << "\n<!-- BUGTYPE " << BugType << " -->\n";
StringRef BugCategory = D.getCategory();
if (!BugCategory.empty())
os << "\n<!-- BUGCATEGORY " << BugCategory << " -->\n";
os << "\n<!-- BUGFILE " << DirName << Entry->getName() << " -->\n";
os << "\n<!-- FILENAME " << llvm::sys::path::filename(Entry->getName()) << " -->\n";
os << "\n<!-- FUNCTIONNAME " << declName << " -->\n";
os << "\n<!-- BUGLINE "
<< LineNumber
<< " -->\n";
os << "\n<!-- BUGCOLUMN "
<< ColumnNumber
<< " -->\n";
os << "\n<!-- BUGPATHLENGTH " << path.size() << " -->\n";
// Mark the end of the tags.
os << "\n<!-- BUGMETAEND -->\n";
// Insert the text.
R.InsertTextBefore(SMgr.getLocForStartOfFile(FID), os.str());
}
// Add CSS, header, and footer.
html::AddHeaderFooterInternalBuiltinCSS(R, FID, Entry->getName());
// Get the rewrite buffer.
const RewriteBuffer *Buf = R.getRewriteBufferFor(FID);
if (!Buf) {
llvm::errs() << "warning: no diagnostics generated for main file.\n";
return;
}
// Create a path for the target HTML file.
int FD;
SmallString<128> Model, ResultPath;
if (!AnalyzerOpts.shouldWriteStableReportFilename()) {
llvm::sys::path::append(Model, Directory, "report-%%%%%%.html");
if (std::error_code EC =
llvm::sys::fs::createUniqueFile(Model, FD, ResultPath)) {
llvm::errs() << "warning: could not create file in '" << Directory
<< "': " << EC.message() << '\n';
return;
}
} else {
int i = 1;
std::error_code EC;
do {
// Find a filename which is not already used
std::stringstream filename;
Model = "";
filename << "report-"
<< llvm::sys::path::filename(Entry->getName()).str()
<< "-" << declName.c_str()
<< "-" << offsetDecl
<< "-" << i << ".html";
llvm::sys::path::append(Model, Directory,
filename.str());
EC = llvm::sys::fs::openFileForWrite(Model,
FD,
llvm::sys::fs::F_RW |
llvm::sys::fs::F_Excl);
if (EC && EC != std::errc::file_exists) {
llvm::errs() << "warning: could not create file '" << Model
<< "': " << EC.message() << '\n';
return;
}
i++;
} while (EC);
}
llvm::raw_fd_ostream os(FD, true);
if (filesMade)
filesMade->addDiagnostic(D, getName(),
llvm::sys::path::filename(ResultPath));
// Emit the HTML to disk.
for (RewriteBuffer::iterator I = Buf->begin(), E = Buf->end(); I!=E; ++I)
os << *I;
}