2008-03-19 06:21:07 +08:00
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//===--- RewriteTest.cpp - Playground for the code rewriter ---------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Hacks and fun related to the code rewriter.
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//
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//===----------------------------------------------------------------------===//
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#include "ASTConsumers.h"
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#include "clang/AST/ASTConsumer.h"
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#include "clang/Rewrite/Rewriter.h"
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#include "clang/Rewrite/HTMLRewrite.h"
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#include "clang/Basic/SourceManager.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "clang/AST/ASTContext.h"
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2008-03-19 07:55:46 +08:00
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#include <sstream>
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2008-03-19 06:21:07 +08:00
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using namespace clang;
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namespace {
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class HTMLPrinter : public ASTConsumer {
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Rewriter R;
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public:
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HTMLPrinter() {}
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virtual ~HTMLPrinter();
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void Initialize(ASTContext &context);
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};
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}
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ASTConsumer* clang::CreateHTMLPrinter() { return new HTMLPrinter(); }
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void HTMLPrinter::Initialize(ASTContext &context) {
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R.setSourceMgr(context.getSourceManager());
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}
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HTMLPrinter::~HTMLPrinter() {
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unsigned FileID = R.getSourceMgr().getMainFileID();
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const llvm::MemoryBuffer *Buf = R.getSourceMgr().getBuffer(FileID);
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const char* FileStart = Buf->getBufferStart();
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const char* FileEnd = Buf->getBufferEnd();
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SourceLocation StartLoc = SourceLocation::getFileLoc(FileID, 0);
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SourceLocation EndLoc = SourceLocation::getFileLoc(FileID, FileEnd-FileStart);
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html::EscapeText(R, FileID);
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html::AddLineNumbers(R, FileID);
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2008-03-19 07:55:46 +08:00
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2008-03-19 09:30:02 +08:00
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// Generate header
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{
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std::ostringstream os;
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2008-03-19 07:55:46 +08:00
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2008-03-19 09:30:02 +08:00
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os << "<html>\n<head>\n"
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2008-03-19 13:07:26 +08:00
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<< " <style type=\"text/css\">\n"
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<< " .codeblock { width:100% }\n"
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<< " .codeline { font-family: \"Monaco\", fixed; font-size:11pt }\n"
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<< " .codeline { height:1.5em; line-height:1.5em }\n"
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<< " .nums, .lines { float:left; height:100% }\n"
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<< " .nums { background-color: #eeeeee }\n"
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<< " .nums { font-family: \"Andale Mono\", fixed; font-size:smaller }\n"
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<< " .nums { width:2.5em; padding-right:2ex; text-align:right }\n"
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<< " .lines { padding-left: 1ex; border-left: 3px solid #ccc }\n"
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<< " .lines { white-space: pre }\n"
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2008-03-19 09:30:02 +08:00
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<< " </style>\n"
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<< "</head>\n"
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2008-03-19 13:07:26 +08:00
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<< "<body>";
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2008-03-19 07:55:46 +08:00
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2008-03-19 13:07:26 +08:00
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R.InsertStrBefore(StartLoc, os.str());
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2008-03-19 09:30:02 +08:00
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}
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2008-03-19 07:55:46 +08:00
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2008-03-19 09:30:02 +08:00
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// Generate footer
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2008-03-19 07:55:46 +08:00
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2008-03-19 09:30:02 +08:00
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{
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std::ostringstream os;
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2008-03-19 13:07:26 +08:00
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os << "</body></html>\n";
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R.InsertStrAfter(EndLoc, os.str());
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2008-03-19 09:30:02 +08:00
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}
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2008-03-19 06:21:07 +08:00
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// Emit the HTML.
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if (const RewriteBuffer *RewriteBuf = R.getRewriteBufferFor(FileID)) {
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std::string S(RewriteBuf->begin(), RewriteBuf->end());
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printf("%s\n", S.c_str());
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}
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}
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