Пример #1
0
void clang::FormatASTNodeDiagnosticArgument(Diagnostic::ArgumentKind Kind, 
                                            intptr_t Val,
                                            const char *Modifier, 
                                            unsigned ModLen,
                                            const char *Argument, 
                                            unsigned ArgLen,
                                    const Diagnostic::ArgumentValue *PrevArgs,
                                            unsigned NumPrevArgs,
                                            llvm::SmallVectorImpl<char> &Output,
                                            void *Cookie) {
  ASTContext &Context = *static_cast<ASTContext*>(Cookie);
  
  std::string S;
  bool NeedQuotes = true;
  
  switch (Kind) {
    default: assert(0 && "unknown ArgumentKind");
    case Diagnostic::ak_qualtype: {
      assert(ModLen == 0 && ArgLen == 0 &&
             "Invalid modifier for QualType argument");
      
      QualType Ty(QualType::getFromOpaquePtr(reinterpret_cast<void*>(Val)));
      S = ConvertTypeToDiagnosticString(Context, Ty, PrevArgs, NumPrevArgs);
      NeedQuotes = false;
      break;
    }
    case Diagnostic::ak_declarationname: {
      DeclarationName N = DeclarationName::getFromOpaqueInteger(Val);
      S = N.getAsString();
      
      if (ModLen == 9 && !memcmp(Modifier, "objcclass", 9) && ArgLen == 0)
        S = '+' + S;
      else if (ModLen == 12 && !memcmp(Modifier, "objcinstance", 12)
                && ArgLen==0)
        S = '-' + S;
      else
        assert(ModLen == 0 && ArgLen == 0 &&
               "Invalid modifier for DeclarationName argument");
      break;
    }
    case Diagnostic::ak_nameddecl: {
      bool Qualified;
      if (ModLen == 1 && Modifier[0] == 'q' && ArgLen == 0)
        Qualified = true;
      else {
        assert(ModLen == 0 && ArgLen == 0 &&
               "Invalid modifier for NamedDecl* argument");
        Qualified = false;
      }
      reinterpret_cast<NamedDecl*>(Val)->
      getNameForDiagnostic(S, Context.PrintingPolicy, Qualified);
      break;
    }
    case Diagnostic::ak_nestednamespec: {
      llvm::raw_string_ostream OS(S);
      reinterpret_cast<NestedNameSpecifier*>(Val)->print(OS,
                                                        Context.PrintingPolicy);
      NeedQuotes = false;
      break;
    }
    case Diagnostic::ak_declcontext: {
      DeclContext *DC = reinterpret_cast<DeclContext *> (Val);
      assert(DC && "Should never have a null declaration context");
      
      if (DC->isTranslationUnit()) {
        // FIXME: Get these strings from some localized place
        if (Context.getLangOptions().CPlusPlus)
          S = "the global namespace";
        else
          S = "the global scope";
      } else if (TypeDecl *Type = dyn_cast<TypeDecl>(DC)) {
        S = ConvertTypeToDiagnosticString(Context, 
                                          Context.getTypeDeclType(Type),
                                          PrevArgs, NumPrevArgs);
      } else {
        // FIXME: Get these strings from some localized place
        NamedDecl *ND = cast<NamedDecl>(DC);
        if (isa<NamespaceDecl>(ND))
          S += "namespace ";
        else if (isa<ObjCMethodDecl>(ND))
          S += "method ";
        else if (isa<FunctionDecl>(ND))
          S += "function ";
        
        S += "'";
        ND->getNameForDiagnostic(S, Context.PrintingPolicy, true);
        S += "'";
      }
      NeedQuotes = false;
      break;
    }
  }
  
  if (NeedQuotes)
    Output.push_back('\'');
  
  Output.append(S.begin(), S.end());
  
  if (NeedQuotes)
    Output.push_back('\'');
}
Пример #2
0
void clang::FormatASTNodeDiagnosticArgument(
    DiagnosticsEngine::ArgumentKind Kind,
    intptr_t Val,
    const char *Modifier,
    unsigned ModLen,
    const char *Argument,
    unsigned ArgLen,
    const DiagnosticsEngine::ArgumentValue *PrevArgs,
    unsigned NumPrevArgs,
    SmallVectorImpl<char> &Output,
    void *Cookie,
    ArrayRef<intptr_t> QualTypeVals) {
  ASTContext &Context = *static_cast<ASTContext*>(Cookie);
  
  std::string S;
  bool NeedQuotes = true;
  
  switch (Kind) {
    default: llvm_unreachable("unknown ArgumentKind");
    case DiagnosticsEngine::ak_qualtype_pair: {
      TemplateDiffTypes &TDT = *reinterpret_cast<TemplateDiffTypes*>(Val);
      QualType FromType =
          QualType::getFromOpaquePtr(reinterpret_cast<void*>(TDT.FromType));
      QualType ToType =
          QualType::getFromOpaquePtr(reinterpret_cast<void*>(TDT.ToType));

      if (FormatTemplateTypeDiff(Context, FromType, ToType, TDT.PrintTree,
                                 TDT.PrintFromType, TDT.ElideType,
                                 TDT.ShowColors, S)) {
        NeedQuotes = !TDT.PrintTree;
        TDT.TemplateDiffUsed = true;
        break;
      }

      // Don't fall-back during tree printing.  The caller will handle
      // this case.
      if (TDT.PrintTree)
        return;

      // Attempting to do a templete diff on non-templates.  Set the variables
      // and continue with regular type printing of the appropriate type.
      Val = TDT.PrintFromType ? TDT.FromType : TDT.ToType;
      ModLen = 0;
      ArgLen = 0;
      // Fall through
    }
    case DiagnosticsEngine::ak_qualtype: {
      assert(ModLen == 0 && ArgLen == 0 &&
             "Invalid modifier for QualType argument");
      
      QualType Ty(QualType::getFromOpaquePtr(reinterpret_cast<void*>(Val)));
      S = ConvertTypeToDiagnosticString(Context, Ty, PrevArgs, NumPrevArgs,
                                        QualTypeVals);
      NeedQuotes = false;
      break;
    }
    case DiagnosticsEngine::ak_declarationname: {
      DeclarationName N = DeclarationName::getFromOpaqueInteger(Val);
      S = N.getAsString();
      
      if (ModLen == 9 && !memcmp(Modifier, "objcclass", 9) && ArgLen == 0)
        S = '+' + S;
      else if (ModLen == 12 && !memcmp(Modifier, "objcinstance", 12)
                && ArgLen==0)
        S = '-' + S;
      else
        assert(ModLen == 0 && ArgLen == 0 &&
               "Invalid modifier for DeclarationName argument");
      break;
    }
    case DiagnosticsEngine::ak_nameddecl: {
      bool Qualified;
      if (ModLen == 1 && Modifier[0] == 'q' && ArgLen == 0)
        Qualified = true;
      else {
        assert(ModLen == 0 && ArgLen == 0 &&
               "Invalid modifier for NamedDecl* argument");
        Qualified = false;
      }
      const NamedDecl *ND = reinterpret_cast<const NamedDecl*>(Val);
      ND->getNameForDiagnostic(S, Context.getPrintingPolicy(), Qualified);
      break;
    }
    case DiagnosticsEngine::ak_nestednamespec: {
      llvm::raw_string_ostream OS(S);
      reinterpret_cast<NestedNameSpecifier*>(Val)->print(OS,
                                                        Context.getPrintingPolicy());
      NeedQuotes = false;
      break;
    }
    case DiagnosticsEngine::ak_declcontext: {
      DeclContext *DC = reinterpret_cast<DeclContext *> (Val);
      assert(DC && "Should never have a null declaration context");
      
      if (DC->isTranslationUnit()) {
        // FIXME: Get these strings from some localized place
        if (Context.getLangOpts().CPlusPlus)
          S = "the global namespace";
        else
          S = "the global scope";
      } else if (TypeDecl *Type = dyn_cast<TypeDecl>(DC)) {
        S = ConvertTypeToDiagnosticString(Context, 
                                          Context.getTypeDeclType(Type),
                                          PrevArgs, NumPrevArgs, QualTypeVals);
      } else {
        // FIXME: Get these strings from some localized place
        NamedDecl *ND = cast<NamedDecl>(DC);
        if (isa<NamespaceDecl>(ND))
          S += "namespace ";
        else if (isa<ObjCMethodDecl>(ND))
          S += "method ";
        else if (isa<FunctionDecl>(ND))
          S += "function ";
        
        S += "'";
        ND->getNameForDiagnostic(S, Context.getPrintingPolicy(), true);
        S += "'";
      }
      NeedQuotes = false;
      break;
    }
  }
  
  if (NeedQuotes)
    Output.push_back('\'');
  
  Output.append(S.begin(), S.end());
  
  if (NeedQuotes)
    Output.push_back('\'');
}