Exemplo n.º 1
0
static bool rewriteToObjCInterfaceDecl(const ObjCInterfaceDecl *IDecl,
                    llvm::SmallVectorImpl<ObjCProtocolDecl*> &ConformingProtocols,
                    const NSAPI &NS, edit::Commit &commit) {
  const ObjCList<ObjCProtocolDecl> &Protocols = IDecl->getReferencedProtocols();
  std::string ClassString;
  SourceLocation EndLoc =
  IDecl->getSuperClass() ? IDecl->getSuperClassLoc() : IDecl->getLocation();
  
  if (Protocols.empty()) {
    ClassString = '<';
    for (unsigned i = 0, e = ConformingProtocols.size(); i != e; i++) {
      ClassString += ConformingProtocols[i]->getNameAsString();
      if (i != (e-1))
        ClassString += ", ";
    }
    ClassString += "> ";
  }
  else {
    ClassString = ", ";
    for (unsigned i = 0, e = ConformingProtocols.size(); i != e; i++) {
      ClassString += ConformingProtocols[i]->getNameAsString();
      if (i != (e-1))
        ClassString += ", ";
    }
    ObjCInterfaceDecl::protocol_loc_iterator PL = IDecl->protocol_loc_end() - 1;
    EndLoc = *PL;
  }
  
  commit.insertAfterToken(EndLoc, ClassString);
  return true;
}
static std::error_code
openModuleFiles(StringRef DirName, StringRef ModuleFilename,
                StringRef ModuleDocFilename,
                std::unique_ptr<llvm::MemoryBuffer> &ModuleBuffer,
                std::unique_ptr<llvm::MemoryBuffer> &ModuleDocBuffer,
                llvm::SmallVectorImpl<char> &Scratch) {
  // Try to open the module file first.  If we fail, don't even look for the
  // module documentation file.
  Scratch.clear();
  llvm::sys::path::append(Scratch, DirName, ModuleFilename);
  llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> ModuleOrErr =
    llvm::MemoryBuffer::getFile(StringRef(Scratch.data(), Scratch.size()));
  if (!ModuleOrErr)
    return ModuleOrErr.getError();

  // Try to open the module documentation file.  If it does not exist, ignore
  // the error.  However, pass though all other errors.
  Scratch.clear();
  llvm::sys::path::append(Scratch, DirName, ModuleDocFilename);
  llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> ModuleDocOrErr =
    llvm::MemoryBuffer::getFile(StringRef(Scratch.data(), Scratch.size()));
  if (!ModuleDocOrErr &&
      ModuleDocOrErr.getError() != std::errc::no_such_file_or_directory) {
    return ModuleDocOrErr.getError();
  }
  ModuleBuffer = std::move(ModuleOrErr.get());
  if (ModuleDocOrErr)
    ModuleDocBuffer = std::move(ModuleDocOrErr.get());
  return std::error_code();
}
Exemplo n.º 3
0
static void EraseUnwantedCUDAMatchesImpl(Sema &S, const FunctionDecl *Caller,
                                         llvm::SmallVectorImpl<T> &Matches,
                                         FetchDeclFn FetchDecl) {
  assert(S.getLangOpts().CUDATargetOverloads &&
         "Should not be called w/o enabled target overloads.");
  if (Matches.size() <= 1)
    return;

  // Find the best call preference among the functions in Matches.
  Sema::CUDAFunctionPreference P, BestCFP = Sema::CFP_Never;
  for (auto const &Match : Matches) {
    P = S.IdentifyCUDAPreference(Caller, FetchDecl(Match));
    if (P > BestCFP)
      BestCFP = P;
  }

  // Erase all functions with lower priority.
  for (unsigned I = 0, N = Matches.size(); I != N;)
    if (S.IdentifyCUDAPreference(Caller, FetchDecl(Matches[I])) < BestCFP) {
      Matches[I] = Matches[--N];
      Matches.resize(N);
    } else {
      ++I;
    }
}
Exemplo n.º 4
0
// FIXME: Why don't we just put this list in the defs file, eh.
void types::getCompilationPhases(ID Id, llvm::SmallVectorImpl<phases::ID> &P) {
  if (Id != TY_Object) {
    if (getPreprocessedType(Id) != TY_INVALID) {
      P.push_back(phases::Preprocess);
    }

    if (onlyPrecompileType(Id)) {
      P.push_back(phases::Precompile);
    } else {
      if (!onlyAssembleType(Id)) {
        P.push_back(phases::Compile);
        P.push_back(phases::Backend);
      }
      if (Id != TY_CUDA_DEVICE)
        P.push_back(phases::Assemble);
    }
  }

  if (!onlyPrecompileType(Id) && Id != TY_CUDA_DEVICE) {
    P.push_back(phases::Link);
  }
  assert(0 < P.size() && "Not enough phases in list");
  assert(P.size() <= phases::MaxNumberOfPhases && "Too many phases in list");
  return;
}
/// \brief Find the end of the word starting at the given offset
/// within a string.
///
/// \returns the index pointing one character past the end of the
/// word.
static unsigned findEndOfWord(unsigned Start,
                              const llvm::SmallVectorImpl<char> &Str,
                              unsigned Length, unsigned Column,
                              unsigned Columns) {
  assert(Start < Str.size() && "Invalid start position!");
  unsigned End = Start + 1;

  // If we are already at the end of the string, take that as the word.
  if (End == Str.size())
    return End;

  // Determine if the start of the string is actually opening
  // punctuation, e.g., a quote or parentheses.
  char EndPunct = findMatchingPunctuation(Str[Start]);
  if (!EndPunct) {
    // This is a normal word. Just find the first space character.
    while (End < Length && !isspace(Str[End]))
      ++End;
    return End;
  }

  // We have the start of a balanced punctuation sequence (quotes,
  // parentheses, etc.). Determine the full sequence is.
  llvm::SmallVector<char, 16> PunctuationEndStack;
  PunctuationEndStack.push_back(EndPunct);
  while (End < Length && !PunctuationEndStack.empty()) {
    if (Str[End] == PunctuationEndStack.back())
      PunctuationEndStack.pop_back();
    else if (char SubEndPunct = findMatchingPunctuation(Str[End]))
      PunctuationEndStack.push_back(SubEndPunct);

    ++End;
  }

  // Find the first space character after the punctuation ended.
  while (End < Length && !isspace(Str[End]))
    ++End;

  unsigned PunctWordLength = End - Start;
  if (// If the word fits on this line
      Column + PunctWordLength <= Columns ||
      // ... or the word is "short enough" to take up the next line
      // without too much ugly white space
      PunctWordLength < Columns/3)
    return End; // Take the whole thing as a single "word".

  // The whole quoted/parenthesized string is too long to print as a
  // single "word". Instead, find the "word" that starts just after
  // the punctuation and use that end-point instead. This will recurse
  // until it finds something small enough to consider a word.
  return findEndOfWord(Start + 1, Str, Length, Column + 1, Columns);
}
Exemplo n.º 6
0
/// ParseTemplateParameterList - Parse a template parameter list. If
/// the parsing fails badly (i.e., closing bracket was left out), this
/// will try to put the token stream in a reasonable position (closing
/// a statement, etc.) and return false.
///
///       template-parameter-list:    [C++ temp]
///         template-parameter
///         template-parameter-list ',' template-parameter
bool
Parser::ParseTemplateParameterList(unsigned Depth,
                             llvm::SmallVectorImpl<Decl*> &TemplateParams) {
  while (1) {
    if (Decl *TmpParam
          = ParseTemplateParameter(Depth, TemplateParams.size())) {
      TemplateParams.push_back(TmpParam);
    } else {
      // If we failed to parse a template parameter, skip until we find
      // a comma or closing brace.
      SkipUntil(tok::comma, tok::greater, true, true);
    }

    // Did we find a comma or the end of the template parmeter list?
    if (Tok.is(tok::comma)) {
      ConsumeToken();
    } else if (Tok.is(tok::greater)) {
      // Don't consume this... that's done by template parser.
      break;
    } else {
      // Somebody probably forgot to close the template. Skip ahead and
      // try to get out of the expression. This error is currently
      // subsumed by whatever goes on in ParseTemplateParameter.
      // TODO: This could match >>, and it would be nice to avoid those
      // silly errors with template <vec<T>>.
      Diag(Tok.getLocation(), diag::err_expected_comma_greater);
      SkipUntil(tok::greater, true, true);
      return false;
    }
  }
  return true;
}
Exemplo n.º 7
0
static void initializeForBlockHeader(CodeGenModule &CGM, CGBlockInfo &info,
                    llvm::SmallVectorImpl<llvm::Type*> &elementTypes) {
  ASTContext &C = CGM.getContext();

  // The header is basically a 'struct { void *; int; int; void *; void *; }'.
  CharUnits ptrSize, ptrAlign, intSize, intAlign;
  llvm::tie(ptrSize, ptrAlign) = C.getTypeInfoInChars(C.UInt32Ty);
  llvm::tie(intSize, intAlign) = C.getTypeInfoInChars(C.Int32Ty);

  // Are there crazy embedded platforms where this isn't true?
  assert(intSize <= ptrSize && "layout assumptions horribly violated");

  CharUnits headerSize = ptrSize;
  if (2 * intSize < ptrAlign) headerSize += ptrSize;
  else headerSize += 2 * intSize;
  headerSize += 2 * ptrSize;

  info.BlockAlign = ptrAlign;
  info.BlockSize = headerSize;

  assert(elementTypes.empty());
  llvm::Type *i8p = CGM.getTypes().ConvertType(C.UInt32Ty);
  llvm::Type *intTy = CGM.getTypes().ConvertType(C.Int32Ty);
  elementTypes.push_back(i8p);
  elementTypes.push_back(intTy);
  elementTypes.push_back(intTy);
  elementTypes.push_back(i8p);
  elementTypes.push_back(CGM.getBlockDescriptorType());

  assert(elementTypes.size() == BlockHeaderSize);
}
Exemplo n.º 8
0
static void
freeCallersOfUnresolvedSymbols(llvm::SmallVectorImpl<llvm::Function*>&
                               funcsToFree, llvm::ExecutionEngine* engine) {
  llvm::SmallPtrSet<llvm::Function*, 40> funcsToFreeUnique;
  for (size_t i = 0; i < funcsToFree.size(); ++i) {
    llvm::Function* func = funcsToFree[i];
    assert(func && "Cannot free NULL function");
    if (funcsToFreeUnique.insert(func)) {
      for (llvm::Value::use_iterator IU = func->use_begin(),
             EU = func->use_end(); IU != EU; ++IU) {
        llvm::Instruction* instUser = llvm::dyn_cast<llvm::Instruction>(*IU);
        if (!instUser) continue;
        if (!instUser->getParent()) continue;
        if (llvm::Function* userFunc = instUser->getParent()->getParent())
          funcsToFree.push_back(userFunc);
      }
    }
  }
  for (llvm::SmallPtrSet<llvm::Function*, 40>::iterator
         I = funcsToFreeUnique.begin(), E = funcsToFreeUnique.end();
       I != E; ++I) {
    // This should force the JIT to recompile the function. But the stubs stay,
    // and the JIT reuses the stubs now pointing nowhere, i.e. without updating
    // the machine code address. Fix the JIT, or hope that MCJIT helps.
    //engine->freeMachineCodeForFunction(*I);
    engine->updateGlobalMapping(*I, 0);
  }
}
Exemplo n.º 9
0
StringRef DeclName::getString(llvm::SmallVectorImpl<char> &scratch,
                              bool skipEmptyArgumentNames) const {
  {
    llvm::raw_svector_ostream out(scratch);
    print(out, skipEmptyArgumentNames);
  }

  return StringRef(scratch.data(), scratch.size());
}
Exemplo n.º 10
0
static void AddFID(FIDMap &FIDs, llvm::SmallVectorImpl<FileID> &V,
                   const SourceManager* SM, SourceLocation L) {

  FileID FID = SM->getFileID(SM->getInstantiationLoc(L));
  FIDMap::iterator I = FIDs.find(FID);
  if (I != FIDs.end()) return;
  FIDs[FID] = V.size();
  V.push_back(FID);
}
Exemplo n.º 11
0
llvm::StringRef
ParserImpl::MergeTokensUntil(const unsigned int* toks,
                             unsigned int num_toks,
                             SourceLocation* start,
                             SourceLocation* end,
                             llvm::SmallVectorImpl<char>& buffer,
                             bool stop_at_eos,
                             bool stop_at_ws)
{
    buffer.clear();
    *start = *end = m_token.getLocation();
    for (;;)
    {
        // If we found one of the tokens, stop.
        for (unsigned i = 0; i < num_toks; ++i)
        {
            if (m_token.is(toks[i]))
                goto done;
        }

        // If we hit end of statement, stop.
        if (stop_at_eos && m_token.isEndOfStatement())
            break;

        // Turn the token back into characters.
        // The first if's are optimizations for common cases.
        llvm::StringRef data;
        if (m_token.isLiteral())
        {
            data = m_token.getLiteral();
        }
        else if (m_token.is(Token::identifier) || m_token.is(Token::label))
        {
            IdentifierInfo* ii = m_token.getIdentifierInfo();
            data = ii->getName();
        }
        else
        {
            // Get the raw data from the source manager.
            SourceManager& smgr = m_preproc.getSourceManager();
            data =
                llvm::StringRef(smgr.getCharacterData(m_token.getLocation()),
                                m_token.getLength());
        }
        buffer.append(data.begin(), data.end());
        *end = m_token.getEndLocation();
        ConsumeAnyToken();

        // If we hit a token with leading space, stop.
        // We do this down here in case the first token had preceding ws.
        if (stop_at_ws && m_token.hasLeadingSpace())
            break;
    }
done:
    return llvm::StringRef(buffer.data(), buffer.size());
}
Exemplo n.º 12
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void ExternalASTSource::SetExternalVisibleDecls(const DeclContext *DC,
                    const llvm::SmallVectorImpl<VisibleDeclaration> &Decls) {
  // There is no longer any visible storage in this context.
  DC->ExternalVisibleStorage = false;

  assert(!DC->LookupPtr && "Have a lookup map before de-serialization?");
  StoredDeclsMap *Map = DC->CreateStoredDeclsMap(DC->getParentASTContext());
  for (unsigned I = 0, N = Decls.size(); I != N; ++I) {
    (*Map)[Decls[I].Name].setFromDeclIDs(Decls[I].Declarations);
  }
}
Exemplo n.º 13
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void ExternalASTSource::SetExternalVisibleDecls(const DeclContext *DC,
                            const llvm::SmallVectorImpl<NamedDecl*> &Decls) {
  // There is no longer any visible storage in this context.
  DC->ExternalVisibleStorage = false;

  assert(!DC->LookupPtr && "Have a lookup map before de-serialization?");
  StoredDeclsMap &Map = *DC->CreateStoredDeclsMap(DC->getParentASTContext());
  for (unsigned I = 0, N = Decls.size(); I != N; ++I) {
    StoredDeclsList &List = Map[Decls[I]->getDeclName()];
    if (List.isNull())
      List.setOnlyValue(Decls[I]);
    else
      List.AddSubsequentDecl(Decls[I]);
  }
}
Exemplo n.º 14
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CGFunctionInfo::CGFunctionInfo(unsigned _CallingConvention,
                               bool _NoReturn,
                               unsigned _RegParm,
                               CanQualType ResTy,
                               const llvm::SmallVectorImpl<CanQualType> &ArgTys)
  : CallingConvention(_CallingConvention),
    EffectiveCallingConvention(_CallingConvention),
    NoReturn(_NoReturn), RegParm(_RegParm)
{
  NumArgs = ArgTys.size();
  Args = new ArgInfo[1 + NumArgs];
  Args[0].type = ResTy;
  for (unsigned i = 0; i < NumArgs; ++i)
    Args[1 + i].type = ArgTys[i];
}
Exemplo n.º 15
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std::pair<Defn *, Defn *>
DefnContext::BuildDefnChain(const llvm::SmallVectorImpl<Defn*> &Defns) {
  // Build up a chain of declarations via the Decl::NextDeclInContext field.
  Defn *FirstNewDefn = 0;
  Defn *PrevDefn = 0;
  for (unsigned I = 0, N = Defns.size(); I != N; ++I) {
    Defn *D = Defns[I];
    if (PrevDefn)
      PrevDefn->NextDefnInContext = D;
    else
      FirstNewDefn = D;

    PrevDefn = D;
  }

  return std::make_pair(FirstNewDefn, PrevDefn);
}
Exemplo n.º 16
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void ExternalASTSource::MaterializeVisibleDefnsForName(const DefnContext *DC,
                                                       DefinitionName Name,
                                     llvm::SmallVectorImpl<NamedDefn*> &Defns) {
  assert(DC->LookupPtr);
  StoredDefnsMap &Map = *DC->LookupPtr;

  // If there's an entry in the table the visible decls for this name have
  // already been deserialized.
  if (Map.find(Name) == Map.end()) {
    StoredDefnsList &List = Map[Name];
    for (unsigned I = 0, N = Defns.size(); I != N; ++I) {
      if (List.isNull())
        List.setOnlyValue(Defns[I]);
      else
        List.AddSubsequentDefn(Defns[I]);
    }
  }
}
Exemplo n.º 17
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bool Popen(const std::string& Cmd, llvm::SmallVectorImpl<char>& Buf, bool RdE) {
  if (FILE *PF = ::popen(RdE ? (Cmd + " 2>&1").c_str() : Cmd.c_str(), "r")) {
    Buf.resize(0);
    const size_t Chunk = Buf.capacity_in_bytes();
    while (true) {
      const size_t Len = Buf.size();
      Buf.resize(Len + Chunk);
      const size_t R = ::fread(&Buf[Len], sizeof(char), Chunk, PF);
      if (R < Chunk) {
        Buf.resize(Len + R);
        break;
      }
    }
    ::pclose(PF);
    return !Buf.empty();
  }
  return false;
}
Exemplo n.º 18
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DeclContext::lookup_result
ExternalASTSource::SetExternalVisibleDeclsForName(const DeclContext *DC,
                                                  DeclarationName Name,
                                    llvm::SmallVectorImpl<NamedDecl*> &Decls) {
  ASTContext &Context = DC->getParentASTContext();;

  StoredDeclsMap *Map;
  if (!(Map = DC->LookupPtr))
    Map = DC->CreateStoredDeclsMap(Context);

  StoredDeclsList &List = (*Map)[Name];
  for (unsigned I = 0, N = Decls.size(); I != N; ++I) {
    if (List.isNull())
      List.setOnlyValue(Decls[I]);
    else
      List.AddSubsequentDecl(Decls[I]);
  }

  return List.getLookupResult(Context);
}
Exemplo n.º 19
0
/// Parse an identifier in an MS-style inline assembly block.
///
/// \param CastInfo - a void* so that we don't have to teach Parser.h
///   about the actual type.
ExprResult Parser::ParseMSAsmIdentifier(llvm::SmallVectorImpl<Token> &LineToks,
                                        unsigned &NumLineToksConsumed,
                                        void *CastInfo,
                                        bool IsUnevaluatedContext) {
  llvm::InlineAsmIdentifierInfo &Info =
      *(llvm::InlineAsmIdentifierInfo *)CastInfo;

  // Push a fake token on the end so that we don't overrun the token
  // stream.  We use ';' because it expression-parsing should never
  // overrun it.
  const tok::TokenKind EndOfStream = tok::semi;
  Token EndOfStreamTok;
  EndOfStreamTok.startToken();
  EndOfStreamTok.setKind(EndOfStream);
  LineToks.push_back(EndOfStreamTok);

  // Also copy the current token over.
  LineToks.push_back(Tok);

  PP.EnterTokenStream(LineToks.begin(), LineToks.size(),
                      /*disable macros*/ true,
                      /*owns tokens*/ false);

  // Clear the current token and advance to the first token in LineToks.
  ConsumeAnyToken();

  // Parse an optional scope-specifier if we're in C++.
  CXXScopeSpec SS;
  if (getLangOpts().CPlusPlus) {
    ParseOptionalCXXScopeSpecifier(SS, ParsedType(), /*EnteringContext=*/false);
  }

  // Require an identifier here.
  SourceLocation TemplateKWLoc;
  UnqualifiedId Id;
  bool Invalid = true;
  ExprResult Result;
  if (Tok.is(tok::kw_this)) {
    Result = ParseCXXThis();
    Invalid = false;
  } else {
    Invalid =
        ParseUnqualifiedId(SS,
                           /*EnteringContext=*/false,
                           /*AllowDestructorName=*/false,
                           /*AllowConstructorName=*/false,
                           /*ObjectType=*/ParsedType(), TemplateKWLoc, Id);
    // Perform the lookup.
    Result = Actions.LookupInlineAsmIdentifier(SS, TemplateKWLoc, Id, Info,
                                               IsUnevaluatedContext);
  }
  // While the next two tokens are 'period' 'identifier', repeatedly parse it as
  // a field access. We have to avoid consuming assembler directives that look
  // like '.' 'else'.
  while (Result.isUsable() && Tok.is(tok::period)) {
    Token IdTok = PP.LookAhead(0);
    if (IdTok.isNot(tok::identifier))
      break;
    ConsumeToken(); // Consume the period.
    IdentifierInfo *Id = Tok.getIdentifierInfo();
    ConsumeToken(); // Consume the identifier.
    Result = Actions.LookupInlineAsmVarDeclField(Result.get(), Id->getName(),
                                                 Info, Tok.getLocation());
  }

  // Figure out how many tokens we are into LineToks.
  unsigned LineIndex = 0;
  if (Tok.is(EndOfStream)) {
    LineIndex = LineToks.size() - 2;
  } else {
    while (LineToks[LineIndex].getLocation() != Tok.getLocation()) {
      LineIndex++;
      assert(LineIndex < LineToks.size() - 2); // we added two extra tokens
    }
  }

  // If we've run into the poison token we inserted before, or there
  // was a parsing error, then claim the entire line.
  if (Invalid || Tok.is(EndOfStream)) {
    NumLineToksConsumed = LineToks.size() - 2;
  } else {
    // Otherwise, claim up to the start of the next token.
    NumLineToksConsumed = LineIndex;
  }

  // Finally, restore the old parsing state by consuming all the tokens we
  // staged before, implicitly killing off the token-lexer we pushed.
  for (unsigned i = 0, e = LineToks.size() - LineIndex - 2; i != e; ++i) {
    ConsumeAnyToken();
  }
  assert(Tok.is(EndOfStream));
  ConsumeToken();

  // Leave LineToks in its original state.
  LineToks.pop_back();
  LineToks.pop_back();

  return Result;
}
Exemplo n.º 20
0
  void DeclExtractor::EnforceInitOrder(llvm::SmallVectorImpl<Stmt*>& Stmts){
    Scope* TUScope = m_Sema->TUScope;
    DeclContext* TUDC = static_cast<DeclContext*>(TUScope->getEntity());
    // We can't PushDeclContext, because we don't have scope.
    Sema::ContextRAII pushedDC(*m_Sema, TUDC);

    std::string FunctionName = "__fd";
    createUniqueName(FunctionName);
    IdentifierInfo& IIFD = m_Context->Idents.get(FunctionName);
    SourceLocation Loc;
    NamedDecl* ND = m_Sema->ImplicitlyDefineFunction(Loc, IIFD, TUScope);
    if (FunctionDecl* FD = dyn_cast_or_null<FunctionDecl>(ND)) {
      FD->setImplicit(false); // Better for debugging

      // Add a return statement if it doesn't exist
      if (!isa<ReturnStmt>(Stmts.back())) {
        Sema::ContextRAII pushedDC(*m_Sema, FD);
        // Generate the return statement:
        // First a literal 0, then the return taking that literal.
        // One bit is enough:
        llvm::APInt ZeroInt(m_Context->getIntWidth(m_Context->IntTy), 0,
                            /*isSigned=*/true);
        IntegerLiteral* ZeroLit
          = IntegerLiteral::Create(*m_Context, ZeroInt, m_Context->IntTy,
                                   SourceLocation());
        Stmts.push_back(m_Sema->ActOnReturnStmt(ZeroLit->getExprLoc(), 
                                                ZeroLit).take());
      }

      // Wrap Stmts into a function body.
      llvm::ArrayRef<Stmt*> StmtsRef(Stmts.data(), Stmts.size());
      CompoundStmt* CS = new (*m_Context)CompoundStmt(*m_Context, StmtsRef,
                                                      Loc, Loc);
      FD->setBody(CS);
      // We know the transaction is closed, but it is safe.
      getTransaction()->forceAppend(FD);

      // Create the VarDecl with the init      
      std::string VarName = "__vd";
      createUniqueName(VarName);
      IdentifierInfo& IIVD = m_Context->Idents.get(VarName);
      VarDecl* VD = VarDecl::Create(*m_Context, TUDC, Loc, Loc, &IIVD,
                                    FD->getReturnType(), (TypeSourceInfo*)0,
                                    SC_None);
      LookupResult R(*m_Sema, FD->getDeclName(), Loc, Sema::LookupMemberName);
      R.addDecl(FD);
      CXXScopeSpec CSS;
      Expr* UnresolvedLookup
        = m_Sema->BuildDeclarationNameExpr(CSS, R, /*ADL*/ false).take();
      Expr* TheCall = m_Sema->ActOnCallExpr(TUScope, UnresolvedLookup, Loc, 
                                            MultiExprArg(), Loc).take();
      assert(VD && TheCall && "Missing VD or its init!");
      VD->setInit(TheCall);

      // We know the transaction is closed, but it is safe.
      getTransaction()->forceAppend(VD); // Add it to the transaction for codegenning
      TUDC->addHiddenDecl(VD);
      Stmts.clear();
      return;
    }
    llvm_unreachable("Must be able to enforce init order.");
  }
// ParseArguments -
static void ParseArguments(llvm::SmallVectorImpl<const char*> &ArgVector,
                           llvm::SmallVectorImpl<const char*> &Inputs,
                           RSCCOptions &Opts,
                           clang::DiagnosticsEngine &DiagEngine) {
  if (ArgVector.size() > 1) {
    const char **ArgBegin = ArgVector.data() + 1;
    const char **ArgEnd = ArgVector.data() + ArgVector.size();
    unsigned MissingArgIndex, MissingArgCount;
    llvm::OwningPtr<OptTable> OptParser(createRSCCOptTable());
    llvm::OwningPtr<InputArgList> Args(
      OptParser->ParseArgs(ArgBegin, ArgEnd, MissingArgIndex, MissingArgCount));

    // Check for missing argument error.
    if (MissingArgCount)
      DiagEngine.Report(clang::diag::err_drv_missing_argument)
        << Args->getArgString(MissingArgIndex) << MissingArgCount;

    clang::DiagnosticOptions DiagOpts;
    DiagOpts.IgnoreWarnings = Args->hasArg(OPT_w);
    DiagOpts.Warnings = Args->getAllArgValues(OPT_W);
    clang::ProcessWarningOptions(DiagEngine, DiagOpts);

    // Issue errors on unknown arguments.
    for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN),
        ie = Args->filtered_end(); it != ie; ++it)
      DiagEngine.Report(clang::diag::err_drv_unknown_argument)
        << (*it)->getAsString(*Args);

    for (ArgList::const_iterator it = Args->begin(), ie = Args->end();
        it != ie; ++it) {
      const Arg *A = *it;
      if (A->getOption().getKind() == Option::InputClass)
        Inputs.push_back(A->getValue(*Args));
    }

    Opts.mIncludePaths = Args->getAllArgValues(OPT_I);

    Opts.mOutputDir = Args->getLastArgValue(OPT_o);

    if (const Arg *A = Args->getLastArg(OPT_M_Group)) {
      switch (A->getOption().getID()) {
        case OPT_M: {
          Opts.mOutputDep = 1;
          Opts.mOutputType = slang::Slang::OT_Dependency;
          break;
        }
        case OPT_MD: {
          Opts.mOutputDep = 1;
          Opts.mOutputType = slang::Slang::OT_Bitcode;
          break;
        }
        default: {
          slangAssert(false && "Invalid option in M group!");
        }
      }
    }

    if (const Arg *A = Args->getLastArg(OPT_Output_Type_Group)) {
      switch (A->getOption().getID()) {
        case OPT_emit_asm: {
          Opts.mOutputType = slang::Slang::OT_Assembly;
          break;
        }
        case OPT_emit_llvm: {
          Opts.mOutputType = slang::Slang::OT_LLVMAssembly;
          break;
        }
        case OPT_emit_bc: {
          Opts.mOutputType = slang::Slang::OT_Bitcode;
          break;
        }
        case OPT_emit_nothing: {
          Opts.mOutputType = slang::Slang::OT_Nothing;
          break;
        }
        default: {
          slangAssert(false && "Invalid option in output type group!");
        }
      }
    }

    if (Opts.mOutputDep &&
        ((Opts.mOutputType != slang::Slang::OT_Bitcode) &&
         (Opts.mOutputType != slang::Slang::OT_Dependency)))
      DiagEngine.Report(clang::diag::err_drv_argument_not_allowed_with)
          << Args->getLastArg(OPT_M_Group)->getAsString(*Args)
          << Args->getLastArg(OPT_Output_Type_Group)->getAsString(*Args);

    Opts.mAllowRSPrefix = Args->hasArg(OPT_allow_rs_prefix);

    Opts.mJavaReflectionPathBase =
        Args->getLastArgValue(OPT_java_reflection_path_base);
    Opts.mJavaReflectionPackageName =
        Args->getLastArgValue(OPT_java_reflection_package_name);

    Opts.mRSPackageName = Args->getLastArgValue(OPT_rs_package_name);

    llvm::StringRef BitcodeStorageValue =
        Args->getLastArgValue(OPT_bitcode_storage);
    if (BitcodeStorageValue == "ar")
      Opts.mBitcodeStorage = slang::BCST_APK_RESOURCE;
    else if (BitcodeStorageValue == "jc")
      Opts.mBitcodeStorage = slang::BCST_JAVA_CODE;
    else if (!BitcodeStorageValue.empty())
      DiagEngine.Report(clang::diag::err_drv_invalid_value)
          << OptParser->getOptionName(OPT_bitcode_storage)
          << BitcodeStorageValue;

    if (Args->hasArg(OPT_reflect_cpp)) {
      Opts.mBitcodeStorage = slang::BCST_CPP_CODE;
    }

    Opts.mOutputDepDir =
        Args->getLastArgValue(OPT_output_dep_dir, Opts.mOutputDir);
    Opts.mAdditionalDepTargets =
        Args->getAllArgValues(OPT_additional_dep_target);

    Opts.mShowHelp = Args->hasArg(OPT_help);
    Opts.mShowVersion = Args->hasArg(OPT_version);
    Opts.mDebugEmission = Args->hasArg(OPT_emit_g);

    size_t OptLevel = Args->getLastArgIntValue(OPT_optimization_level,
                                               3,
                                               DiagEngine);

    Opts.mOptimizationLevel = OptLevel == 0 ? llvm::CodeGenOpt::None
                                            : llvm::CodeGenOpt::Aggressive;

    Opts.mTargetAPI = Args->getLastArgIntValue(OPT_target_api,
                                               RS_VERSION,
                                               DiagEngine);
  }

  return;
}
Exemplo n.º 22
0
void IrAggr::addFieldInitializers(
    llvm::SmallVectorImpl<llvm::Constant *> &constants,
    const VarInitMap &explicitInitializers, AggregateDeclaration *decl,
    unsigned &offset, bool populateInterfacesWithVtbls) {

  if (ClassDeclaration *cd = decl->isClassDeclaration()) {
    if (cd->baseClass) {
      addFieldInitializers(constants, explicitInitializers, cd->baseClass,
                           offset, populateInterfacesWithVtbls);
    }

    // has interface vtbls?
    if (cd->vtblInterfaces && cd->vtblInterfaces->dim > 0) {
      // Align interface infos to pointer size.
      unsigned aligned =
          (offset + Target::ptrsize - 1) & ~(Target::ptrsize - 1);
      if (offset < aligned) {
        add_zeros(constants, offset, aligned);
        offset = aligned;
      }

      // false when it's not okay to use functions from super classes
      bool newinsts = (cd == aggrdecl->isClassDeclaration());

      size_t inter_idx = interfacesWithVtbls.size();
      for (auto bc : *cd->vtblInterfaces) {
        constants.push_back(getInterfaceVtbl(bc, newinsts, inter_idx));
        offset += Target::ptrsize;
        inter_idx++;

        if (populateInterfacesWithVtbls)
          interfacesWithVtbls.push_back(bc);
      }
    }
  }

  AggrTypeBuilder b(false, offset);
  b.addAggregate(decl, &explicitInitializers, AggrTypeBuilder::Aliases::Skip);
  offset = b.currentOffset();

  const size_t baseLLFieldIndex = constants.size();
  const size_t numNewLLFields = b.defaultTypes().size();
  constants.resize(constants.size() + numNewLLFields, nullptr);

  // add explicit and non-overlapping implicit initializers
  for (const auto &pair : b.varGEPIndices()) {
    const auto field = pair.first;
    const size_t fieldIndex = pair.second;

    const auto explicitIt = explicitInitializers.find(field);
    llvm::Constant *init = (explicitIt != explicitInitializers.end()
                                ? explicitIt->second
                                : getDefaultInitializer(field));

    constants[baseLLFieldIndex + fieldIndex] =
        FillSArrayDims(field->type, init);
  }

  // zero out remaining padding fields
  for (size_t i = 0; i < numNewLLFields; i++) {
    auto &init = constants[baseLLFieldIndex + i];
    if (!init)
      init = llvm::Constant::getNullValue(b.defaultTypes()[i]);
  }
}
/// \brief Print the given string to a stream, word-wrapping it to
/// some number of columns in the process.
///
/// \brief OS the stream to which the word-wrapping string will be
/// emitted.
///
/// \brief Str the string to word-wrap and output.
///
/// \brief Columns the number of columns to word-wrap to.
///
/// \brief Column the column number at which the first character of \p
/// Str will be printed. This will be non-zero when part of the first
/// line has already been printed.
///
/// \brief Indentation the number of spaces to indent any lines beyond
/// the first line.
///
/// \returns true if word-wrapping was required, or false if the
/// string fit on the first line.
static bool PrintWordWrapped(llvm::raw_ostream &OS,
                             const llvm::SmallVectorImpl<char> &Str,
                             unsigned Columns,
                             unsigned Column = 0,
                             unsigned Indentation = WordWrapIndentation) {
  unsigned Length = Str.size();

  // If there is a newline in this message somewhere, find that
  // newline and split the message into the part before the newline
  // (which will be word-wrapped) and the part from the newline one
  // (which will be emitted unchanged).
  for (unsigned I = 0; I != Length; ++I)
    if (Str[I] == '\n') {
      Length = I;
      break;
    }

  // The string used to indent each line.
  llvm::SmallString<16> IndentStr;
  IndentStr.assign(Indentation, ' ');
  bool Wrapped = false;
  for (unsigned WordStart = 0, WordEnd; WordStart < Length;
       WordStart = WordEnd) {
    // Find the beginning of the next word.
    WordStart = skipWhitespace(WordStart, Str, Length);
    if (WordStart == Length)
      break;

    // Find the end of this word.
    WordEnd = findEndOfWord(WordStart, Str, Length, Column, Columns);

    // Does this word fit on the current line?
    unsigned WordLength = WordEnd - WordStart;
    if (Column + WordLength < Columns) {
      // This word fits on the current line; print it there.
      if (WordStart) {
        OS << ' ';
        Column += 1;
      }
      OS.write(&Str[WordStart], WordLength);
      Column += WordLength;
      continue;
    }

    // This word does not fit on the current line, so wrap to the next
    // line.
    OS << '\n';
    OS.write(&IndentStr[0], Indentation);
    OS.write(&Str[WordStart], WordLength);
    Column = Indentation + WordLength;
    Wrapped = true;
  }

  if (Length == Str.size())
    return Wrapped; // We're done.

  // There is a newline in the message, followed by something that
  // will not be word-wrapped. Print that.
  OS.write(&Str[Length], Str.size() - Length);
  return true;
}
Exemplo n.º 24
0
/// ApplyQAOverride - Apply a list of edits to the input argument lists.
///
/// The input string is a space separate list of edits to perform,
/// they are applied in order to the input argument lists. Edits
/// should be one of the following forms:
///
///  '#': Silence information about the changes to the command line arguments.
///
///  '^': Add FOO as a new argument at the beginning of the command line.
///
///  '+': Add FOO as a new argument at the end of the command line.
///
///  's/XXX/YYY/': Substitute the regular expression XXX with YYY in the command
///  line.
///
///  'xOPTION': Removes all instances of the literal argument OPTION.
///
///  'XOPTION': Removes all instances of the literal argument OPTION,
///  and the following argument.
///
///  'Ox': Removes all flags matching 'O' or 'O[sz0-9]' and adds 'Ox'
///  at the end of the command line.
///
/// \param OS - The stream to write edit information to.
/// \param Args - The vector of command line arguments.
/// \param Edit - The override command to perform.
/// \param SavedStrings - Set to use for storing string representations.
static void ApplyOneQAOverride(llvm::raw_ostream &OS,
                               llvm::SmallVectorImpl<const char*> &Args,
                               llvm::StringRef Edit,
                               std::set<std::string> &SavedStrings) {
  // This does not need to be efficient.

  if (Edit[0] == '^') {
    const char *Str =
      SaveStringInSet(SavedStrings, Edit.substr(1));
    OS << "### Adding argument " << Str << " at beginning\n";
    Args.insert(Args.begin() + 1, Str);
  } else if (Edit[0] == '+') {
    const char *Str =
      SaveStringInSet(SavedStrings, Edit.substr(1));
    OS << "### Adding argument " << Str << " at end\n";
    Args.push_back(Str);
  } else if (Edit[0] == 's' && Edit[1] == '/' && Edit.endswith("/") &&
             Edit.slice(2, Edit.size()-1).find('/') != llvm::StringRef::npos) {
    llvm::StringRef MatchPattern = Edit.substr(2).split('/').first;
    llvm::StringRef ReplPattern = Edit.substr(2).split('/').second;
    ReplPattern = ReplPattern.slice(0, ReplPattern.size()-1);

    for (unsigned i = 1, e = Args.size(); i != e; ++i) {
      std::string Repl = llvm::Regex(MatchPattern).sub(ReplPattern, Args[i]);

      if (Repl != Args[i]) {
        OS << "### Replacing '" << Args[i] << "' with '" << Repl << "'\n";
        Args[i] = SaveStringInSet(SavedStrings, Repl);
      }
    }
  } else if (Edit[0] == 'x' || Edit[0] == 'X') {
    std::string Option = Edit.substr(1, std::string::npos);
    for (unsigned i = 1; i < Args.size();) {
      if (Option == Args[i]) {
        OS << "### Deleting argument " << Args[i] << '\n';
        Args.erase(Args.begin() + i);
        if (Edit[0] == 'X') {
          if (i < Args.size()) {
            OS << "### Deleting argument " << Args[i] << '\n';
            Args.erase(Args.begin() + i);
          } else
            OS << "### Invalid X edit, end of command line!\n";
        }
      } else
        ++i;
    }
  } else if (Edit[0] == 'O') {
    for (unsigned i = 1; i < Args.size();) {
      const char *A = Args[i];
      if (A[0] == '-' && A[1] == 'O' &&
          (A[2] == '\0' ||
           (A[3] == '\0' && (A[2] == 's' || A[2] == 'z' ||
                             ('0' <= A[2] && A[2] <= '9'))))) {
        OS << "### Deleting argument " << Args[i] << '\n';
        Args.erase(Args.begin() + i);
      } else
        ++i;
    }
    OS << "### Adding argument " << Edit << " at end\n";
    Args.push_back(SaveStringInSet(SavedStrings, '-' + Edit.str()));
  } else {
    OS << "### Unrecognized edit: " << Edit << "\n";
  }
}