Check in LLVM r95781.
diff --git a/lib/Frontend/HTMLPrint.cpp b/lib/Frontend/HTMLPrint.cpp
new file mode 100644
index 0000000..9ea8cb3
--- /dev/null
+++ b/lib/Frontend/HTMLPrint.cpp
@@ -0,0 +1,94 @@
+//===--- HTMLPrint.cpp - Source code -> HTML pretty-printing --------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Pretty-printing of source code to HTML.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Frontend/ASTConsumers.h"
+#include "clang/AST/ASTConsumer.h"
+#include "clang/AST/ASTContext.h"
+#include "clang/AST/Decl.h"
+#include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/FileManager.h"
+#include "clang/Basic/SourceManager.h"
+#include "clang/Lex/Preprocessor.h"
+#include "clang/Rewrite/HTMLRewrite.h"
+#include "clang/Rewrite/Rewriter.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/raw_ostream.h"
+using namespace clang;
+
+//===----------------------------------------------------------------------===//
+// Functional HTML pretty-printing.
+//===----------------------------------------------------------------------===//
+
+namespace {
+ class HTMLPrinter : public ASTConsumer {
+ Rewriter R;
+ llvm::raw_ostream *Out;
+ Preprocessor &PP;
+ bool SyntaxHighlight, HighlightMacros;
+
+ public:
+ HTMLPrinter(llvm::raw_ostream *OS, Preprocessor &pp,
+ bool _SyntaxHighlight, bool _HighlightMacros)
+ : Out(OS), PP(pp), SyntaxHighlight(_SyntaxHighlight),
+ HighlightMacros(_HighlightMacros) {}
+
+ void Initialize(ASTContext &context);
+ void HandleTranslationUnit(ASTContext &Ctx);
+ };
+}
+
+ASTConsumer* clang::CreateHTMLPrinter(llvm::raw_ostream *OS,
+ Preprocessor &PP,
+ bool SyntaxHighlight,
+ bool HighlightMacros) {
+ return new HTMLPrinter(OS, PP, SyntaxHighlight, HighlightMacros);
+}
+
+void HTMLPrinter::Initialize(ASTContext &context) {
+ R.setSourceMgr(context.getSourceManager(), context.getLangOptions());
+}
+
+void HTMLPrinter::HandleTranslationUnit(ASTContext &Ctx) {
+ if (PP.getDiagnostics().hasErrorOccurred())
+ return;
+
+ // Format the file.
+ FileID FID = R.getSourceMgr().getMainFileID();
+ const FileEntry* Entry = R.getSourceMgr().getFileEntryForID(FID);
+ const char* Name;
+ // In some cases, in particular the case where the input is from stdin,
+ // there is no entry. Fall back to the memory buffer for a name in those
+ // cases.
+ if (Entry)
+ Name = Entry->getName();
+ else
+ Name = R.getSourceMgr().getBuffer(FID)->getBufferIdentifier();
+
+ html::AddLineNumbers(R, FID);
+ html::AddHeaderFooterInternalBuiltinCSS(R, FID, Name);
+
+ // 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.
+
+ if (SyntaxHighlight) html::SyntaxHighlight(R, FID, PP);
+ if (HighlightMacros) html::HighlightMacros(R, FID, PP);
+ html::EscapeText(R, FID, false, true);
+
+ // Emit the HTML.
+ const RewriteBuffer &RewriteBuf = R.getEditBuffer(FID);
+ char *Buffer = (char*)malloc(RewriteBuf.size());
+ std::copy(RewriteBuf.begin(), RewriteBuf.end(), Buffer);
+ Out->write(Buffer, RewriteBuf.size());
+ free(Buffer);
+}