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usr / src / contrib / llvm-project / clang / utils / TableGen /

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📄 ASTTableGen.cpp(5.02 KB)
📄 ASTTableGen.h(14.83 KB)
📄 ClangASTNodesEmitter.cpp(7.94 KB)
📄 ClangASTPropertiesEmitter.cpp(30.37 KB)
📄 ClangAttrEmitter.cpp(149.44 KB)
📄 ClangCommentCommandInfoEmitter.cpp(4.21 KB)
📄 ClangCommentHTMLNamedCharacterReferenceEmitter.cpp(2.84 KB)
📄 ClangCommentHTMLTagsEmitter.cpp(2.32 KB)
📄 ClangDataCollectorsEmitter.cpp(513 B)
📄 ClangDiagnosticsEmitter.cpp(59.2 KB)
📄 ClangOpcodesEmitter.cpp(10.63 KB)
📄 ClangOpenCLBuiltinEmitter.cpp(30.56 KB)
📄 ClangOptionDocEmitter.cpp(13.16 KB)
📄 ClangSACheckersEmitter.cpp(10.79 KB)
📄 ClangTypeNodesEmitter.cpp(6.9 KB)
📄 MveEmitter.cpp(83.2 KB)
📄 NeonEmitter.cpp(79.2 KB)
📄 SveEmitter.cpp(42.28 KB)
📄 TableGen.cpp(17.16 KB)
📄 TableGenBackends.h(6.59 KB)

Editing: ClangCommentHTMLNamedCharacterReferenceEmitter.cpp

//===--- ClangCommentHTMLNamedCharacterReferenceEmitter.cpp -----------------=//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This tablegen backend emits an efficient function to translate HTML named
// character references to UTF-8 sequences.
//
//===----------------------------------------------------------------------===//

#include "TableGenBackends.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Support/ConvertUTF.h"
#include "llvm/TableGen/Error.h"
#include "llvm/TableGen/Record.h"
#include "llvm/TableGen/StringMatcher.h"
#include "llvm/TableGen/TableGenBackend.h"
#include <vector>

using namespace llvm;

/// Convert a code point to the corresponding UTF-8 sequence represented
/// as a C string literal.
///
/// \returns true on success.
static bool translateCodePointToUTF8(unsigned CodePoint,
                                     SmallVectorImpl<char> &CLiteral) {
  char Translated[UNI_MAX_UTF8_BYTES_PER_CODE_POINT];
  char *TranslatedPtr = Translated;
  if (!ConvertCodePointToUTF8(CodePoint, TranslatedPtr))
    return false;

StringRef UTF8(Translated, TranslatedPtr - Translated);

raw_svector_ostream OS(CLiteral);
  OS << "\"";
  for (size_t i = 0, e = UTF8.size(); i != e; ++i) {
    OS << "\\x";
    OS.write_hex(static_cast<unsigned char>(UTF8[i]));
  }
  OS << "\"";

return true;
}

void clang::EmitClangCommentHTMLNamedCharacterReferences(RecordKeeper &Records,
                                                         raw_ostream &OS) {
  std::vector<Record *> Tags = Records.getAllDerivedDefinitions("NCR");
  std::vector<StringMatcher::StringPair> NameToUTF8;
  SmallString<32> CLiteral;
  for (std::vector<Record *>::iterator I = Tags.begin(), E = Tags.end();
       I != E; ++I) {
    Record &Tag = **I;
    std::string Spelling = std::string(Tag.getValueAsString("Spelling"));
    uint64_t CodePoint = Tag.getValueAsInt("CodePoint");
    CLiteral.clear();
    CLiteral.append("return ");
    if (!translateCodePointToUTF8(CodePoint, CLiteral)) {
      SrcMgr.PrintMessage(Tag.getLoc().front(),
                          SourceMgr::DK_Error,
                          Twine("invalid code point"));
      continue;
    }
    CLiteral.append(";");

StringMatcher::StringPair Match(Spelling, std::string(CLiteral.str()));
    NameToUTF8.push_back(Match);
  }

emitSourceFileHeader("HTML named character reference to UTF-8 "
                       "translation", OS);

OS << "StringRef translateHTMLNamedCharacterReferenceToUTF8(\n"
        "                                             StringRef Name) {\n";
  StringMatcher("Name", NameToUTF8, OS).Emit();
  OS << "  return StringRef();\n"
     << "}\n\n";
}

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Editing: ClangCommentHTMLNamedCharacterReferenceEmitter.cpp

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