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//===--- RewriteTest.cpp - Playground for the code rewriter ---------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Hacks and fun related to the code rewriter.
//
//===----------------------------------------------------------------------===//
#include "ASTConsumers.h"
#include "clang/AST/ASTConsumer.h"
#include "clang/Rewrite/Rewriter.h"
#include "clang/Rewrite/HTMLRewrite.h"
#include "clang/Basic/SourceManager.h"
#include "llvm/Support/MemoryBuffer.h"
#include "clang/AST/ASTContext.h"
#include <sstream>
using namespace clang;
namespace {
class HTMLPrinter : public ASTConsumer {
Rewriter R;
public:
HTMLPrinter() {}
virtual ~HTMLPrinter();
void Initialize(ASTContext &context);
};
}
ASTConsumer* clang::CreateHTMLPrinter() { return new HTMLPrinter(); }
void HTMLPrinter::Initialize(ASTContext &context) {
R.setSourceMgr(context.getSourceManager());
}
HTMLPrinter::~HTMLPrinter() {
unsigned FileID = R.getSourceMgr().getMainFileID();
const llvm::MemoryBuffer *Buf = R.getSourceMgr().getBuffer(FileID);
const char* FileStart = Buf->getBufferStart();
const char* FileEnd = Buf->getBufferEnd();
SourceLocation StartLoc = SourceLocation::getFileLoc(FileID, 0);
SourceLocation EndLoc = SourceLocation::getFileLoc(FileID, FileEnd-FileStart);
html::EscapeText(R, FileID);
html::AddLineNumbers(R, FileID);
// Generate header
{
std::ostringstream os;
os << "<html>\n<head>\n"
<< " <style type=\"text/css\">\n"
<< " .codeblock { width:100% }\n"
<< " .codeline { font-family: \"Monaco\", fixed; font-size:11pt }\n"
<< " .codeline { height:1.5em; line-height:1.5em }\n"
<< " .nums, .lines { float:left; height:100% }\n"
<< " .nums { background-color: #eeeeee }\n"
<< " .nums { font-family: \"Andale Mono\", fixed; font-size:smaller }\n"
<< " .nums { width:2.5em; padding-right:2ex; text-align:right }\n"
<< " .lines { padding-left: 1ex; border-left: 3px solid #ccc }\n"
<< " .lines { white-space: pre }\n"
<< " </style>\n"
<< "</head>\n"
<< "<body>";
R.InsertStrBefore(StartLoc, os.str());
}
// Generate footer
{
std::ostringstream os;
os << "</body></html>\n";
R.InsertStrAfter(EndLoc, os.str());
}
// Emit the HTML.
if (const RewriteBuffer *RewriteBuf = R.getRewriteBufferFor(FileID)) {
std::string S(RewriteBuf->begin(), RewriteBuf->end());
printf("%s\n", S.c_str());
}
}
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