Example #1
0
BOZConstantExpr::BOZConstantExpr(ASTContext &C, SourceLocation Loc,
                                 SourceLocation MaxLoc, llvm::StringRef Data)
  : ConstantExpr(BOZConstantExprClass, C.IntegerTy, Loc, MaxLoc) {
  unsigned Radix = 0;
  switch (Data[0]) {
  case 'B':
    Kind = BinaryExprClass;
    Radix = 2;
    break;
  case 'O':
    Kind = Octal;
    Radix = 8;
    break;
  case 'Z': case 'X':
    Kind = Hexadecimal;
    Radix = 16;
    break;
  }

  size_t LastQuote = Data.rfind(Data[1]);
  assert(LastQuote == llvm::StringRef::npos && "Invalid BOZ constant!");
  llvm::StringRef NumStr = Data.slice(2, LastQuote);
  APInt Val;
  NumStr.getAsInteger(Radix, Val);
  Num.setValue(C, Val);
}
Example #2
0
Symbol symbol(llvm::StringRef QName) {
  Symbol Sym;
  Sym.ID = SymbolID(QName.str());
  size_t Pos = QName.rfind("::");
  if (Pos == llvm::StringRef::npos) {
    Sym.Name = QName;
    Sym.Scope = "";
  } else {
    Sym.Name = QName.substr(Pos + 2);
    Sym.Scope = QName.substr(0, Pos + 2);
  }
  return Sym;
}
Example #3
0
// Helpers to produce fake index symbols for memIndex() or completions().
// USRFormat is a regex replacement string for the unqualified part of the USR.
Symbol sym(llvm::StringRef QName, index::SymbolKind Kind,
           llvm::StringRef USRFormat) {
  Symbol Sym;
  std::string USR = "c:"; // We synthesize a few simple cases of USRs by hand!
  size_t Pos = QName.rfind("::");
  if (Pos == llvm::StringRef::npos) {
    Sym.Name = QName;
    Sym.Scope = "";
  } else {
    Sym.Name = QName.substr(Pos + 2);
    Sym.Scope = QName.substr(0, Pos + 2);
    USR += "@N@" + replace(QName.substr(0, Pos), "::", "@N@"); // ns:: -> @N@ns
  }
  USR += llvm::Regex("^.*$").sub(USRFormat, Sym.Name); // e.g. func -> @F@func#
  Sym.ID = SymbolID(USR);
  Sym.SymInfo.Kind = Kind;
  Sym.Flags |= Symbol::IndexedForCodeCompletion;
  Sym.Origin = SymbolOrigin::Static;
  return Sym;
}