static Optional<bool> comparePath(const PathPieces &X, const PathPieces &Y) {
if (X.size() != Y.size())
return X.size() < Y.size();
PathPieces::const_iterator X_I = X.begin(), X_end = X.end();
PathPieces::const_iterator Y_I = Y.begin(), Y_end = Y.end();
for ( ; X_I != X_end && Y_I != Y_end; ++X_I, ++Y_I) {
Optional<bool> b = comparePiece(**X_I, **Y_I);
if (b.hasValue())
return b.getValue();
}
return None;
}
static void compute_path_size(const PathPieces &pieces, unsigned &size) {
for (PathPieces::const_iterator it = pieces.begin(),
et = pieces.end(); it != et; ++it) {
const PathDiagnosticPiece *piece = it->getPtr();
if (const PathDiagnosticCallPiece *cp =
dyn_cast<PathDiagnosticCallPiece>(piece)) {
compute_path_size(cp->path, size);
}
else
++size;
}
}
void TextPathDiagnostics::FlushDiagnosticsImpl(
std::vector<const PathDiagnostic *> &Diags,
FilesMade *) {
for (std::vector<const PathDiagnostic *>::iterator it = Diags.begin(),
et = Diags.end(); it != et; ++it) {
const PathDiagnostic *D = *it;
PathPieces FlatPath = D->path.flatten(/*ShouldFlattenMacros=*/true);
for (PathPieces::const_iterator I = FlatPath.begin(), E = FlatPath.end();
I != E; ++I) {
unsigned diagID =
Diag.getDiagnosticIDs()->getCustomDiagID(DiagnosticIDs::Note,
(*I)->getString());
Diag.Report((*I)->getLocation().asLocation(), diagID);
}
}
}
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.front()->getLocation().getManager();
assert(!path.empty());
FileID FID =
path.front()->getLocation().asLocation().getExpansionLoc().getFileID();
assert(FID.isValid());
// 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.back()->getLocation().asLocation()),
SMgr);
FullSourceLoc FunL(SMgr.getExpansionLoc(Body->getLocStart()), SMgr);
offsetDecl = L.getExpansionLineNumber() - FunL.getExpansionLineNumber();
}
}
// Process the path.
// Maintain the counts of extra note pieces separately.
unsigned TotalPieces = path.size();
unsigned TotalNotePieces =
std::count_if(path.begin(), path.end(),
[](const std::shared_ptr<PathDiagnosticPiece> &p) {
return isa<PathDiagnosticNotePiece>(*p);
});
unsigned TotalRegularPieces = TotalPieces - TotalNotePieces;
unsigned NumRegularPieces = TotalRegularPieces;
unsigned NumNotePieces = TotalNotePieces;
for (auto I = path.rbegin(), E = path.rend(); I != E; ++I) {
if (isa<PathDiagnosticNotePiece>(I->get())) {
// This adds diagnostic bubbles, but not navigation.
// Navigation through note pieces would be added later,
// as a separate pass through the piece list.
HandlePiece(R, FID, **I, NumNotePieces, TotalNotePieces);
--NumNotePieces;
} else {
HandlePiece(R, FID, **I, NumRegularPieces, TotalRegularPieces);
--NumRegularPieces;
}
}
// 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.back()->getLocation().asLocation().getExpansionLineNumber();
int ColumnNumber = path.back()->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\">Warning:</td><td>"
"<a href=\"#EndPath\">line "
<< LineNumber
<< ", column "
<< ColumnNumber
<< "</a><br />"
<< D.getVerboseDescription() << "</td></tr>\n";
// The navigation across the extra notes pieces.
unsigned NumExtraPieces = 0;
for (const auto &Piece : path) {
if (const auto *P = dyn_cast<PathDiagnosticNotePiece>(Piece.get())) {
int LineNumber =
P->getLocation().asLocation().getExpansionLineNumber();
int ColumnNumber =
P->getLocation().asLocation().getExpansionColumnNumber();
os << "<tr><td class=\"rowname\">Note:</td><td>"
<< "<a href=\"#Note" << NumExtraPieces << "\">line "
<< LineNumber << ", column " << ColumnNumber << "</a><br />"
<< P->getString() << "</td></tr>";
++NumExtraPieces;
}
}
// 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";
PathDiagnosticLocation UPDLoc = D.getUniqueingLoc();
FullSourceLoc L(SMgr.getExpansionLoc(UPDLoc.isValid()
? UPDLoc.asLocation()
: D.getLocation().asLocation()),
SMgr);
const Decl *DeclWithIssue = D.getDeclWithIssue();
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<!-- ISSUEHASHCONTENTOFLINEINCONTEXT "
<< GetIssueHash(SMgr, L, D.getCheckName(), D.getBugType(), DeclWithIssue,
PP.getLangOpts()) << " -->\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::make_absolute(Model)) {
llvm::errs() << "warning: could not make '" << Model
<< "' absolute: " << EC.message() << '\n';
return;
}
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 != llvm::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;
}