Esempio n. 1
0
Type ASTContext::getFunctionNoProtoType(Type ResultTy,
                                        FunctionType::ExtInfo Info) const {
  const CallingConv DefaultCC = Info.getCC();
  const CallingConv CallConv = (DefaultCC == CC_Default) ?
      CC_X86StdCall : DefaultCC;

  // Unique functions, to guarantee there is only one function of a particular
  // structure.
  llvm::FoldingSetNodeID ID;
  FunctionNoProtoType::Profile(ID, ResultTy, Info);

  void *InsertPos = 0;
  if (FunctionNoProtoType *FT =
      FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos))
    return Type(FT, 0);

  FunctionProtoType::ExtInfo newInfo = Info.withCallingConv(CallConv);
  FunctionNoProtoType *New;
  New = new (*this, TypeAlignment) FunctionNoProtoType(ResultTy, newInfo);
  Types.push_back(New);
  FunctionNoProtoTypes.InsertNode(New, InsertPos);
  return Type(New, 0);
}
Esempio n. 2
0
void TypePrinter::printFunctionProtoAfter(const FunctionProtoType *T, 
                                          raw_ostream &OS) { 
  // If needed for precedence reasons, wrap the inner part in grouping parens.
  if (!HasEmptyPlaceHolder)
    OS << ')';
  SaveAndRestore<bool> NonEmptyPH(HasEmptyPlaceHolder, false);

  OS << '(';
  {
    ParamPolicyRAII ParamPolicy(Policy);
    for (unsigned i = 0, e = T->getNumArgs(); i != e; ++i) {
      if (i) OS << ", ";
      print(T->getArgType(i), OS, StringRef());
    }
  }
  
  if (T->isVariadic()) {
    if (T->getNumArgs())
      OS << ", ";
    OS << "...";
  } else if (T->getNumArgs() == 0 && !Policy.LangOpts.CPlusPlus) {
    // Do not emit int() if we have a proto, emit 'int(void)'.
    OS << "void";
  }
  
  OS << ')';

  FunctionType::ExtInfo Info = T->getExtInfo();
  switch(Info.getCC()) {
  case CC_Default: break;
  case CC_C:
    OS << " __attribute__((cdecl))";
    break;
  case CC_X86StdCall:
    OS << " __attribute__((stdcall))";
    break;
  case CC_X86FastCall:
    OS << " __attribute__((fastcall))";
    break;
  case CC_X86ThisCall:
    OS << " __attribute__((thiscall))";
    break;
  case CC_X86Pascal:
    OS << " __attribute__((pascal))";
    break;
  case CC_AAPCS:
    OS << " __attribute__((pcs(\"aapcs\")))";
    break;
  case CC_AAPCS_VFP:
    OS << " __attribute__((pcs(\"aapcs-vfp\")))";
    break;
  case CC_PnaclCall:
    OS << " __attribute__((pnaclcall))";
    break;
  case CC_IntelOclBicc:
    OS << " __attribute__((intel_ocl_bicc))";
    break;
  }
  if (Info.getNoReturn())
    OS << " __attribute__((noreturn))";
  if (Info.getRegParm())
    OS << " __attribute__((regparm ("
       << Info.getRegParm() << ")))";

  if (unsigned quals = T->getTypeQuals()) {
    OS << ' ';
    AppendTypeQualList(OS, quals);
  }

  switch (T->getRefQualifier()) {
  case RQ_None:
    break;
    
  case RQ_LValue:
    OS << " &";
    break;
    
  case RQ_RValue:
    OS << " &&";
    break;
  }

  if (T->hasTrailingReturn()) {
    OS << " -> "; 
    print(T->getResultType(), OS, StringRef());
  } else
    printAfter(T->getResultType(), OS);
}
Esempio n. 3
0
void TypePrinter::PrintFunctionProto(const FunctionProtoType *T, 
                                     std::string &S) { 
  // If needed for precedence reasons, wrap the inner part in grouping parens.
  if (!S.empty())
    S = "(" + S + ")";
  
  S += "(";
  std::string Tmp;
  PrintingPolicy ParamPolicy(Policy);
  ParamPolicy.SuppressSpecifiers = false;
  for (unsigned i = 0, e = T->getNumArgs(); i != e; ++i) {
    if (i) S += ", ";
    Print(T->getArgType(i), Tmp);
    S += Tmp;
    Tmp.clear();
  }
  
  if (T->isVariadic()) {
    if (T->getNumArgs())
      S += ", ";
    S += "...";
  } else if (T->getNumArgs() == 0 && !Policy.LangOpts.CPlusPlus) {
    // Do not emit int() if we have a proto, emit 'int(void)'.
    S += "void";
  }
  
  S += ")";

  FunctionType::ExtInfo Info = T->getExtInfo();
  switch(Info.getCC()) {
  case CC_Default:
  default: break;
  case CC_C:
    S += " __attribute__((cdecl))";
    break;
  case CC_X86StdCall:
    S += " __attribute__((stdcall))";
    break;
  case CC_X86FastCall:
    S += " __attribute__((fastcall))";
    break;
  case CC_X86ThisCall:
    S += " __attribute__((thiscall))";
    break;
  }
  if (Info.getNoReturn())
    S += " __attribute__((noreturn))";
  if (Info.getRegParm())
    S += " __attribute__((regparm (" +
        llvm::utostr_32(Info.getRegParm()) + ")))";
  
  if (T->hasExceptionSpec()) {
    S += " throw(";
    if (T->hasAnyExceptionSpec())
      S += "...";
    else 
      for (unsigned I = 0, N = T->getNumExceptions(); I != N; ++I) {
        if (I)
          S += ", ";

        std::string ExceptionType;
        Print(T->getExceptionType(I), ExceptionType);
        S += ExceptionType;
      }
    S += ")";
  }

  AppendTypeQualList(S, T->getTypeQuals());
  
  Print(T->getResultType(), S);
}
void TypePrinter::printFunctionProto(const FunctionProtoType *T, 
                                     std::string &S) { 
  // If needed for precedence reasons, wrap the inner part in grouping parens.
  if (!S.empty())
    S = "(" + S + ")";
  
  S += "(";
  std::string Tmp;
  PrintingPolicy ParamPolicy(Policy);
  ParamPolicy.SuppressSpecifiers = false;
  for (unsigned i = 0, e = T->getNumArgs(); i != e; ++i) {
    if (i) S += ", ";
    print(T->getArgType(i), Tmp);
    S += Tmp;
    Tmp.clear();
  }
  
  if (T->isVariadic()) {
    if (T->getNumArgs())
      S += ", ";
    S += "...";
  } else if (T->getNumArgs() == 0 && !Policy.LangOpts.CPlusPlus) {
    // Do not emit int() if we have a proto, emit 'int(void)'.
    S += "void";
  }
  
  S += ")";

  FunctionType::ExtInfo Info = T->getExtInfo();
  switch(Info.getCC()) {
  case CC_Default:
  default: break;
  case CC_C:
    S += " __attribute__((cdecl))";
    break;
  case CC_X86StdCall:
    S += " __attribute__((stdcall))";
    break;
  case CC_X86FastCall:
    S += " __attribute__((fastcall))";
    break;
  case CC_X86ThisCall:
    S += " __attribute__((thiscall))";
    break;
  case CC_X86Pascal:
    S += " __attribute__((pascal))";
    break;
  case CC_AAPCS:
    S += " __attribute__((pcs(\"aapcs\")))";
    break;
  case CC_AAPCS_VFP:
    S += " __attribute__((pcs(\"aapcs-vfp\")))";
    break;
  }
  if (Info.getNoReturn())
    S += " __attribute__((noreturn))";
  if (Info.getRegParm())
    S += " __attribute__((regparm (" +
        llvm::utostr_32(Info.getRegParm()) + ")))";
  
  AppendTypeQualList(S, T->getTypeQuals());

  switch (T->getRefQualifier()) {
  case RQ_None:
    break;
    
  case RQ_LValue:
    S += " &";
    break;
    
  case RQ_RValue:
    S += " &&";
    break;
  }

  if (T->hasDynamicExceptionSpec()) {
    S += " throw(";
    if (T->getExceptionSpecType() == EST_MSAny)
      S += "...";
    else
      for (unsigned I = 0, N = T->getNumExceptions(); I != N; ++I) {
        if (I)
          S += ", ";

        std::string ExceptionType;
        print(T->getExceptionType(I), ExceptionType);
        S += ExceptionType;
      }
    S += ")";
  } else if (isNoexceptExceptionSpec(T->getExceptionSpecType())) {
    S += " noexcept";
    if (T->getExceptionSpecType() == EST_ComputedNoexcept) {
      S += "(";
      llvm::raw_string_ostream EOut(S);
      T->getNoexceptExpr()->printPretty(EOut, 0, Policy);
      EOut.flush();
      S += EOut.str();
      S += ")";
    }
  }

  print(T->getResultType(), S);
}
Esempio n. 5
0
void TypePrinter::printFunctionProto(const FunctionProtoType *T, 
                                     std::string &S) { 
  // If needed for precedence reasons, wrap the inner part in grouping parens.
  if (!S.empty())
    S = "(" + S + ")";
  
  S += "(";
  std::string Tmp;
  PrintingPolicy ParamPolicy(Policy);
  ParamPolicy.SuppressSpecifiers = false;
  for (unsigned i = 0, e = T->getNumArgs(); i != e; ++i) {
    if (i) S += ", ";
    print(T->getArgType(i), Tmp);
    S += Tmp;
    Tmp.clear();
  }
  
  if (T->isVariadic()) {
    if (T->getNumArgs())
      S += ", ";
    S += "...";
  } else if (T->getNumArgs() == 0 && !Policy.LangOpts.CPlusPlus) {
    // Do not emit int() if we have a proto, emit 'int(void)'.
    S += "void";
  }
  
  S += ")";

  FunctionType::ExtInfo Info = T->getExtInfo();
  switch(Info.getCC()) {
  case CC_Default: break;
  case CC_C:
    S += " __attribute__((cdecl))";
    break;
  case CC_X86StdCall:
    S += " __attribute__((stdcall))";
    break;
  case CC_X86FastCall:
    S += " __attribute__((fastcall))";
    break;
  case CC_X86ThisCall:
    S += " __attribute__((thiscall))";
    break;
  case CC_X86Pascal:
    S += " __attribute__((pascal))";
    break;
  case CC_AAPCS:
    S += " __attribute__((pcs(\"aapcs\")))";
    break;
  case CC_AAPCS_VFP:
    S += " __attribute__((pcs(\"aapcs-vfp\")))";
    break;
  }
  if (Info.getNoReturn())
    S += " __attribute__((noreturn))";
  if (Info.getRegParm())
    S += " __attribute__((regparm (" +
        llvm::utostr_32(Info.getRegParm()) + ")))";
  
  AppendTypeQualList(S, T->getTypeQuals());

  switch (T->getRefQualifier()) {
  case RQ_None:
    break;
    
  case RQ_LValue:
    S += " &";
    break;
    
  case RQ_RValue:
    S += " &&";
    break;
  }
  T->printExceptionSpecification(S, Policy);
  if (T->hasTrailingReturn()) {
    std::string ResultS;
    print(T->getResultType(), ResultS);
    S = "auto " + S + " -> " + ResultS;
  } else
    print(T->getResultType(), S);
}