Ejemplo n.º 1
0
SgClassDeclaration * SageUtils::buildUnionDeclaration(const SgName & name, SgScopeStatement * scope) {
    SgClassDeclaration* defdecl = SageBuilder::buildClassDeclaration_nfi(name,SgClassDeclaration::e_union,scope,NULL);
    SageInterface::setOneSourcePositionForTransformation(defdecl);
    ROSE_ASSERT(defdecl->get_firstNondefiningDeclaration() != NULL);
    SageInterface::setOneSourcePositionForTransformation(defdecl->get_firstNondefiningDeclaration());
    return defdecl; 
}
Ejemplo n.º 2
0
SgClassDeclaration*
buildClassDeclarationAndDefinition (string name, SgScopeStatement* scope)
   {
  // This function builds a class declaration and definition 
  // (both the defining and nondefining declarations as required).

  // Build a file info object marked as a transformation
     Sg_File_Info* fileInfo = Sg_File_Info::generateDefaultFileInfoForTransformationNode();
     assert(fileInfo != NULL);

  // This is the class definition (the fileInfo is the position of the opening brace)
     SgClassDefinition* classDefinition   = new SgClassDefinition(fileInfo);
     assert(classDefinition != NULL);

  // Set the end of construct explictly (where not a transformation this is the location of the closing brace)
     classDefinition->set_endOfConstruct(fileInfo);

  // This is the defining declaration for the class (with a reference to the class definition)
     SgClassDeclaration* classDeclaration = new SgClassDeclaration(fileInfo,name.c_str(),SgClassDeclaration::e_struct,NULL,classDefinition);
     assert(classDeclaration != NULL);

  // Set the defining declaration in the defining declaration!
     classDeclaration->set_definingDeclaration(classDeclaration);

  // Set the non defining declaration in the defining declaration (both are required)
     SgClassDeclaration* nondefiningClassDeclaration = new SgClassDeclaration(fileInfo,name.c_str(),SgClassDeclaration::e_struct,NULL,NULL);
     assert(classDeclaration != NULL);
     nondefiningClassDeclaration->set_scope(scope);
     nondefiningClassDeclaration->set_type(SgClassType::createType(nondefiningClassDeclaration));

  // Set the internal reference to the non-defining declaration
     classDeclaration->set_firstNondefiningDeclaration(nondefiningClassDeclaration);
     classDeclaration->set_type(nondefiningClassDeclaration->get_type());

  // Set the defining and no-defining declarations in the non-defining class declaration!
     nondefiningClassDeclaration->set_firstNondefiningDeclaration(nondefiningClassDeclaration);
     nondefiningClassDeclaration->set_definingDeclaration(classDeclaration);

  // Set the nondefining declaration as a forward declaration!
     nondefiningClassDeclaration->setForward();

  // Don't forget the set the declaration in the definition (IR node constructors are side-effect free!)!
     classDefinition->set_declaration(classDeclaration);

  // set the scope explicitly (name qualification tricks can imply it is not always the parent IR node!)
     classDeclaration->set_scope(scope);

  // some error checking
     assert(classDeclaration->get_definingDeclaration() != NULL);
     assert(classDeclaration->get_firstNondefiningDeclaration() != NULL);
     assert(classDeclaration->get_definition() != NULL);

  // DQ (9/8/2007): Need to add function symbol to global scope!
     printf ("Fixing up the symbol table in scope = %p = %s for class = %p = %s \n",scope,scope->class_name().c_str(),classDeclaration,classDeclaration->get_name().str());
     SgClassSymbol* classSymbol = new SgClassSymbol(classDeclaration);
     scope->insert_symbol(classDeclaration->get_name(),classSymbol);
     ROSE_ASSERT(scope->lookup_class_symbol(classDeclaration->get_name()) != NULL);

     return classDeclaration;
   }
Ejemplo n.º 3
0
SgVariableDeclaration*
buildStructVariable ( SgScopeStatement* scope,
              vector<SgType*> memberTypes, vector<string> memberNames,
              string structName = "", string varName = "", SgAggregateInitializer *initializer = NULL )
   {
     ROSE_ASSERT(memberTypes.size() == memberNames.size());
     SgClassDeclaration* classDeclaration = buildClassDeclarationAndDefinition(structName,scope);
     vector<SgType*>::iterator typeIterator       = memberTypes.begin();
     vector<string>::iterator  memberNameIterator = memberNames.begin();
     while (typeIterator != memberTypes.end())
        {
       // printf ("Adding data member type = %s variable name = %s \n",(*typeIterator)->unparseToString().c_str(),memberNameIterator->c_str());
          SgVariableDeclaration* memberDeclaration = new SgVariableDeclaration(SOURCE_POSITION,*memberNameIterator,*typeIterator,NULL);
          memberDeclaration->set_endOfConstruct(SOURCE_POSITION);

          classDeclaration->get_definition()->append_member(memberDeclaration);

          memberDeclaration->set_parent(classDeclaration->get_definition());
        // Liao (2/13/2008) scope and symbols for member variables
          SgInitializedName* initializedName = *(memberDeclaration->get_variables().begin());
          initializedName->set_file_info(SOURCE_POSITION);
          initializedName->set_scope(classDeclaration->get_definition());

        // set nondefning declaration pointer
         memberDeclaration->set_firstNondefiningDeclaration(memberDeclaration);

         SgVariableSymbol* variableSymbol = new SgVariableSymbol(initializedName);
         classDeclaration->get_definition()->insert_symbol(*memberNameIterator,variableSymbol);

          typeIterator++;
          memberNameIterator++;
        }

     SgClassType* classType = new SgClassType(classDeclaration->get_firstNondefiningDeclaration());
     SgVariableDeclaration* variableDeclaration = new SgVariableDeclaration(SOURCE_POSITION,varName,classType,initializer);
     variableDeclaration->set_endOfConstruct(SOURCE_POSITION);

   //Liao (2/13/2008) scope and symbols for struct variable
     SgInitializedName* initializedName = *(variableDeclaration->get_variables().begin());
     initializedName->set_file_info(SOURCE_POSITION);
     initializedName->set_scope(scope);

     SgVariableSymbol* variableSymbol = new SgVariableSymbol(initializedName);
     scope->insert_symbol(varName,variableSymbol);

  //set nondefining declaration 
    variableDeclaration->set_firstNondefiningDeclaration(variableDeclaration);

  // This is required, since it is not set in the SgVariableDeclaration constructor
     initializer->set_parent(variableDeclaration);

     variableDeclaration->set_variableDeclarationContainsBaseTypeDefiningDeclaration(true);
     variableDeclaration->set_baseTypeDefiningDeclaration(classDeclaration->get_definingDeclaration());

     classDeclaration->set_parent(variableDeclaration);

     return variableDeclaration;
   }
Ejemplo n.º 4
0
bool
ReplacementMapTraversal::verifyODR( SgNode* node, SgNode* duplicateNodeFromOriginalAST )
   {
     bool passesODR = false;
  // printf ("Verify that node = %p is equivalent to duplicateNodeFromOriginalAST = %p = %s \n",node,duplicateNodeFromOriginalAST,duplicateNodeFromOriginalAST->class_name().c_str());

  // Verify that these strings match
     ROSE_ASSERT (duplicateNodeFromOriginalAST->variantT() == node->variantT());
     ROSE_ASSERT (duplicateNodeFromOriginalAST->class_name() == node->class_name());
  // ROSE_ASSERT (generateUniqueName(duplicateNodeFromOriginalAST) == generateUniqueName(node));

     string nodeString;
     string duplicateNodeFromOriginalASTstring;

#if 0
  // DQ (2/3/2007): This is a test to debug the ODR checking.
  // I think that the unparser has some state specific to the output of access protections.
  // if the unparsing changes the state then the access permission (public, protected, private) 
  // is output and this cause a falue trigger to the ODR string match.  This is a temp fix to
  // absorbe any change of state, but we need a mechanism to clear the state in the unparser.
     string absorbeUnparserStateChange_A = node->unparseToString();
     string absorbeUnparserStateChange_B = duplicateNodeFromOriginalAST->unparseToString();
#endif
#if 0
  // DQ (2/3/2007): Make sure that there are close to being related. It appears that if these are
     if (node->get_parent()->variantT() == duplicateNodeFromOriginalAST->get_parent()->variantT())
        {
          nodeString                         = node->unparseToString();
          duplicateNodeFromOriginalASTstring = duplicateNodeFromOriginalAST->unparseToString();
        }
#endif

     bool skip_ODR_test = false;

     bool nodeIsCompilerGenerated = 
          (node->get_file_info() != NULL) ? node->get_file_info()->isCompilerGenerated() : false;
     bool duplicateNodeFromOriginalASTIsCompilerGenerated = 
          (duplicateNodeFromOriginalAST->get_file_info() != NULL) ? duplicateNodeFromOriginalAST->get_file_info()->isCompilerGenerated() : false;

     bool nodeIsFrontendSpecific = 
          (node->get_file_info() != NULL) ? node->get_file_info()->isFrontendSpecific() : false;
     bool duplicateNodeFromOriginalASTIsFrontendSpecific = 
          (duplicateNodeFromOriginalAST->get_file_info() != NULL) ? duplicateNodeFromOriginalAST->get_file_info()->isFrontendSpecific() : false;

  // If this is a template declaration for a function then it might have been a part of another template declaration 
  // for the template class and thus might not exist explicitly in the AST (and thus not have enough information from 
  // which to generate a meaningful mangled name).  Skip ODR testing of these cases.
     bool isTemplateMemberFunctionInTemplatedClass = false;
     SgTemplateDeclaration* templateDeclaration = isSgTemplateDeclaration(node);
     if (templateDeclaration != NULL)
        {
          SgTemplateDeclaration* dup_templateDeclaration = isSgTemplateDeclaration(duplicateNodeFromOriginalAST);
          ROSE_ASSERT(dup_templateDeclaration != NULL);
          if ( templateDeclaration->get_string().is_null() && dup_templateDeclaration->get_string().is_null() )
             {
               isTemplateMemberFunctionInTemplatedClass = true;
             }
        }

     if (isTemplateMemberFunctionInTemplatedClass == true)
        {
          printf ("ODR not tested isTemplateMemberFunctionInTemplatedClass == true. \n");
          skip_ODR_test = true;
        }

     if (nodeIsFrontendSpecific == true || duplicateNodeFromOriginalASTIsFrontendSpecific == true || nodeIsCompilerGenerated == true || duplicateNodeFromOriginalASTIsCompilerGenerated == true)
        {
       // printf ("ODR not tested for frontend specific compiler generated code. \n");
          skip_ODR_test = true;
        }

  // DQ (1/20/2007): The unparse will not generate a string if the code is frontend specific or compiler generated (I forget which).
  // if (nodeIsFrontendSpecific == true || duplicateNodeFromOriginalASTIsFrontendSpecific == true)
     if (skip_ODR_test == true)
        {
       // printf ("ODR not tested for frontend specific compiler generated code. \n");
          passesODR = true;
        }
       else
        {
          SgUnparse_Info info_a;
          SgUnparse_Info info_b;

       // DQ (2/6/2007): Force qualified names to be used uniformally (note that info.set_requiresGlobalNameQualification() 
       // causes an error) info.set_requiresGlobalNameQualification();
          info_a.set_forceQualifiedNames();
          info_b.set_forceQualifiedNames();

          nodeString                         = node->unparseToString(&info_a);

       // DQ (2/6/2007): The SgUnparse_Info object carries state which controls the use of access qualification and the 
       // first call to unparseToString might have set the access (e.g. to "public") and the second call would drop the 
       // access qualification.  We unset the access qualification state in the SgUnparse_Info object so that both will 
       // be unparsed the same (we could have alternatively used two separate SgUnparse_Info objects.
       // info.set_isUnsetAccess();

          duplicateNodeFromOriginalASTstring = duplicateNodeFromOriginalAST->unparseToString(&info_b);

          passesODR = (nodeString == duplicateNodeFromOriginalASTstring);
        }

  // Don't count the cases where the unparse fails to to invalid parent in redundant SgClassDeclaration (fix these later)
     if (passesODR == false && nodeString.empty() == false && duplicateNodeFromOriginalASTstring.empty() == false)
        {
#if 1
          if (SgProject::get_verbose() > 0)
               printf ("##### In ReplacementMapTraversal::verifyODR() is false: node = %p = %s duplicateNodeFromOriginalAST = %p = %s \n",
                    node,node->class_name().c_str(),duplicateNodeFromOriginalAST,duplicateNodeFromOriginalAST->class_name().c_str());

       // printf ("##### passesODR = %s \n",passesODR ? "true" : "false");
       // printf ("duplicateNodeFromOriginalASTstring = \n---> %s\n",duplicateNodeFromOriginalASTstring.c_str());
       // printf ("nodeString                         = \n---> %s\n",nodeString.c_str());
          if (node->get_file_info() != NULL && duplicateNodeFromOriginalAST->get_file_info() != NULL)
             {
               if (SgProject::get_verbose() > 0)
                  {
                    SgNode* parent_node = node->get_parent();

                 // DQ (9/13/2011): Reported as possible NULL value in static analysis of ROSE code.
                    ROSE_ASSERT(parent_node != NULL);

                    printf ("parent_node = %p = %s = %s \n",parent_node,parent_node->class_name().c_str(),SageInterface::get_name(parent_node).c_str());
                    SgNode* parent_dup = duplicateNodeFromOriginalAST->get_parent();

                 // DQ (9/13/2011): Reported as possible NULL value in static analysis of ROSE code.
                    ROSE_ASSERT(parent_dup != NULL);

                    printf ("parent_dup = %p = %s = %s \n",parent_dup,parent_dup->class_name().c_str(),SageInterface::get_name(parent_dup).c_str());

                    printf ("\nPosition of error: \n");
                    node->get_file_info()->display("In ReplacementMapTraversal::verifyODR(node) is false: debug");
                    duplicateNodeFromOriginalAST->get_file_info()->display("In ReplacementMapTraversal::verifyODR(duplicateNodeFromOriginalAST) is false: debug");
                    printf ("\nPosition of error: \n");

                    printf ("\nPosition of error (parent IR node): \n");
                    parent_node->get_file_info()->display("In ReplacementMapTraversal::verifyODR(parent_node) is false: debug");
                    parent_dup->get_file_info()->display("In ReplacementMapTraversal::verifyODR(parent_dup) is false: debug");
                    printf ("\nPosition of error (parent IR node): \n");
                  }
             }
            else
             {
               SgClassType* classType = isSgClassType(node);
               SgClassType* duplicateNodeFromOriginalAST_classType = isSgClassType(duplicateNodeFromOriginalAST);
               if (classType != NULL)
                  {
                    if (SgProject::get_verbose() > 0)
                       {
                         SgClassDeclaration* classDeclaration = isSgClassDeclaration(classType->get_declaration());
                         ROSE_ASSERT(classDeclaration != NULL);
                         classDeclaration->get_file_info()->display("In ReplacementMapTraversal::verifyODR(node) is false (classType)");
                         printf ("classDeclaration = %p definingDeclaration = %p nondefiningDeclaration = %p \n",
                              classDeclaration,
                              classDeclaration->get_definingDeclaration(),
                              classDeclaration->get_firstNondefiningDeclaration());

                         ROSE_ASSERT(duplicateNodeFromOriginalAST_classType != NULL);
                         SgClassDeclaration* duplicateNodeFromOriginalAST_classDeclaration = isSgClassDeclaration(duplicateNodeFromOriginalAST_classType->get_declaration());
                         ROSE_ASSERT(duplicateNodeFromOriginalAST_classDeclaration != NULL);
                         duplicateNodeFromOriginalAST_classDeclaration->get_file_info()->display("In ReplacementMapTraversal::verifyODR(node) is false (duplicateNodeFromOriginalAST_classType)");
                         printf ("duplicateNodeFromOriginalAST_classDeclaration = %p definingDeclaration = %p nondefiningDeclaration = %p \n",
                              duplicateNodeFromOriginalAST_classDeclaration,
                              duplicateNodeFromOriginalAST_classDeclaration->get_definingDeclaration(),
                              duplicateNodeFromOriginalAST_classDeclaration->get_firstNondefiningDeclaration());
                       }
                  }
             }
#endif
          odrViolations.push_back(pair<SgNode*,SgNode*>(node,duplicateNodeFromOriginalAST));
        }
#if 0
     printf ("duplicateNodeFromOriginalASTstring = %p = %s \n---> %s\n",
          duplicateNodeFromOriginalAST,duplicateNodeFromOriginalAST->class_name().c_str(),duplicateNodeFromOriginalASTstring.c_str());
     printf ("nodeString                         = %p = %s \n---> %s\n",
          node,node->class_name().c_str(),nodeString.c_str());
#endif
#if 0
     SgClassType* original = isSgClassType(duplicateNodeFromOriginalAST);
     SgClassType* target   = isSgClassType(node);
     if (original != NULL && target != NULL)
        {
          printf ("original declaration = %p \n",original->get_declaration());
          printf ("target declaration   = %p \n",target->get_declaration());
        }
#endif
#if 1
     if (passesODR == false)
        {
          if (SgProject::get_verbose() > 0)
             {
               string node_generatedName         = SageInterface::generateUniqueName(node,false);
               string originalNode_generatedName = SageInterface::generateUniqueName(duplicateNodeFromOriginalAST,false);

               printf ("ODR Violation Source code: nodeString                         = \n%s\n \n",nodeString.c_str());
               printf ("ODR Violation Source code: duplicateNodeFromOriginalASTstring = \n%s\n \n",duplicateNodeFromOriginalASTstring.c_str());
               printf ("nodeString = %s \n",nodeString.c_str());
               printf ("node_generatedName         = %s \n",node_generatedName.c_str());
               printf ("originalNode_generatedName = %s \n",originalNode_generatedName.c_str());

               printf ("node                         = %p = %s = %s \n",node,node->class_name().c_str(),SageInterface::get_name(node).c_str());
               printf ("duplicateNodeFromOriginalAST = %p = %s = %s \n",duplicateNodeFromOriginalAST,duplicateNodeFromOriginalAST->class_name().c_str(),SageInterface::get_name(duplicateNodeFromOriginalAST).c_str());

               printf ("node (unique string)                         = %s \n",generateUniqueName(node,true).c_str());
               printf ("duplicateNodeFromOriginalAST (unique string) = %s \n",generateUniqueName(duplicateNodeFromOriginalAST,true).c_str());

               SgDeclarationStatement* declarationStatement = isSgDeclarationStatement(node);
               if (declarationStatement != NULL)
                  {
                    printf ("declarationStatement->get_definingDeclaration()         = %p \n",declarationStatement->get_definingDeclaration());
                    printf ("declarationStatement->get_firstNondefiningDeclaration() = %p \n",declarationStatement->get_firstNondefiningDeclaration());
                  }

               SgDeclarationStatement* declarationStatement2 = isSgDeclarationStatement(duplicateNodeFromOriginalAST);
               if (declarationStatement2 != NULL)
                  {
                    printf ("declarationStatement2->get_definingDeclaration()         = %p \n",declarationStatement2->get_definingDeclaration());
                    printf ("declarationStatement2->get_firstNondefiningDeclaration() = %p \n",declarationStatement2->get_firstNondefiningDeclaration());
                  }

               printf ("Source code positions of ORD violation: \n");
               node->get_file_info()->display("In ReplacementMapTraversal::verifyODR(node) is false: debug");
               duplicateNodeFromOriginalAST->get_file_info()->display("In ReplacementMapTraversal::verifyODR(duplicateNodeFromOriginalAST) is false: debug");
             }
        }
#endif
  // ROSE_ASSERT(nodeString == duplicateNodeFromOriginalASTstring);
     ROSE_ASSERT(passesODR == true);

     return passesODR;
   }
Ejemplo n.º 5
0
  void instr(SgProject* project, Rose_STL_Container<SgType*> types)
  {
    SgGlobal* global = SI::getFirstGlobalScope(project);
    std::string prefix("rtc_ti_"); //struct prefix
    std::string ti_type_str("struct rtc_typeinfo*");
    SgType* ti_type = SB::buildOpaqueType(ti_type_str,global);

    //Insert declarations from the typechecking library.

    //void minalloc_check(unsigned long long addr)
    SgFunctionDeclaration* minalloc_check_decl = SB::buildNondefiningFunctionDeclaration(
          SgName("minalloc_check"),
          SgTypeVoid::createType(),
          SB::buildFunctionParameterList(
            SB::buildInitializedName("addr",SB::buildUnsignedLongLongType())),
          global,NULL);
    SI::prependStatement(minalloc_check_decl,global);

    //void typetracker_add(unsigned long long addr, struct rtc_typeinfo* ti);
    SgFunctionDeclaration* typetracker_add_decl = SB::buildNondefiningFunctionDeclaration(
          SgName("typetracker_add"),
          SgTypeVoid::createType(),
          SB::buildFunctionParameterList(
            SB::buildInitializedName("addr",SB::buildUnsignedLongLongType()),
            SB::buildInitializedName("ti",ti_type)),
          global,NULL);
    SI::prependStatement(typetracker_add_decl,global);

    //void setBaseType(rtc_typeinfo* ti, rtc_typeinfo* base)
    SgFunctionDeclaration* setBaseType_decl = SB::buildNondefiningFunctionDeclaration(
          SgName("setBaseType"),
          SgTypeVoid::createType(),
          SB::buildFunctionParameterList(
            SB::buildInitializedName("ti",ti_type),
            SB::buildInitializedName("base",ti_type)),
          global,NULL);
    SI::prependStatement(setBaseType_decl,global);

    //struct rtc_typeinfo* ti_init(const char* a, size_t sz, int c)
    SgFunctionDeclaration* ti_init_decl = SB::buildNondefiningFunctionDeclaration(
                                            SgName("ti_init"),
                                            ti_type,
                                            SB::buildFunctionParameterList(
//    SB::buildInitializedName("a",SB::buildPointerType(SB::buildConstType(SB::buildCharType()))),
                                                SB::buildInitializedName("a",SB::buildPointerType(SB::buildCharType())),
//    SB::buildInitializedName("sz", SB::buildOpaqueType("size_t",global)),
                                                SB::buildInitializedName("sz", SB::buildLongLongType()),
                                                SB::buildInitializedName("c", SB::buildIntType())),
                                            global,NULL);
    SI::prependStatement(ti_init_decl,global);

    //void traverseAndPrint()
    SgFunctionDeclaration* traverseAndPrint_decl = SB::buildNondefiningFunctionDeclaration(
          SgName("traverseAndPrint"),SgTypeVoid::createType(),SB::buildFunctionParameterList(),global,NULL);
    SI::prependStatement(traverseAndPrint_decl,global);

    //non-defining declaration of rtc_init_typeinfo
    SgName init_name("rtc_init_typeinfo");
    SgFunctionDeclaration* init_nondef = SB::buildNondefiningFunctionDeclaration(init_name,SgTypeVoid::createType(),SB::buildFunctionParameterList(),global,NULL);
    SI::prependStatement(init_nondef,global);

    //call to rtc_init_typeinfo placed in main function.
    SgFunctionDeclaration* maindecl = SI::findMain(project);
    SgExprStatement* initcall = SB::buildFunctionCallStmt(init_name,SgTypeVoid::createType(),NULL,maindecl->get_definition());
    maindecl->get_definition()->prepend_statement(initcall);

    //defining declaration of rtc_init_typeinfo
    SgFunctionDeclaration* init_definingDecl = new SgFunctionDeclaration(new Sg_File_Info(SI::getEnclosingFileNode(global)->getFileName()),init_name,init_nondef->get_type(),NULL);
    init_definingDecl->set_firstNondefiningDeclaration(init_nondef);
    SgFunctionDefinition* init_definition = new SgFunctionDefinition(new Sg_File_Info(SI::getEnclosingFileNode(global)->getFileName()),init_definingDecl,SB::buildBasicBlock());
    init_definingDecl->set_definition(init_definition);
    SI::appendStatement(init_definingDecl,global);

    std::vector<std::string> lst;
    for(unsigned int index = 0; index < types.size(); index++)
    {
      SgType* ptr = types[index];

      ptr = ptr->stripTypedefsAndModifiers();
      if(!shouldInstrumentType(ptr))
        continue;
      std::string nameStr = prefix + Util::getNameForType(ptr).getString();
      if(!contains(lst,nameStr))
      {
        SgVariableDeclaration* decl = SB::buildVariableDeclaration(nameStr,ti_type,NULL,global);
        SI::prependStatement(decl,global);
        lst.push_back(nameStr);
      }
    }

    for(unsigned int index = 0; index < types.size(); index++)
    {
      SgType* ptr = types[index];
      ptr = ptr->stripTypedefsAndModifiers();
      if(!shouldInstrumentType(ptr))
        continue;
      std::string typeNameStr = Util::getNameForType(ptr).getString();
      std::string structNameStr = prefix + Util::getNameForType(ptr).getString();

      if(contains(lst,structNameStr))
      {
        SgExpression* lhs;
        SgExpression* rhs;

        //In case of an anonymous struct or union, we create a local, named version of the declaration so we can know its size.
        SgClassDeclaration* altDecl = NULL;
        if(isSgNamedType(ptr) && isSgClassDeclaration(isSgNamedType(ptr)->get_declaration()) && isSgClassDeclaration(isSgNamedType(ptr)->get_declaration())->get_isUnNamed())
        {
          SgClassDeclaration* originalDecl = isSgClassDeclaration(isSgNamedType(ptr)->get_declaration()->get_definingDeclaration());
          SgName altDecl_name(typeNameStr + "_def");
          altDecl = new SgClassDeclaration(new Sg_File_Info(SI::getEnclosingFileNode(global)->getFileName()),altDecl_name,originalDecl->get_class_type());

          SgClassDefinition* altDecl_definition = SB::buildClassDefinition(altDecl);

          SgDeclarationStatementPtrList originalMembers = originalDecl->get_definition()->get_members();
          for(SgDeclarationStatementPtrList::iterator it = originalMembers.begin(); it != originalMembers.end(); it++)
          {
            SgDeclarationStatement* member = *it;
            SgDeclarationStatement* membercpy = isSgDeclarationStatement(SI::copyStatement(member));
            altDecl_definition->append_member(membercpy);
          }


          SgClassDeclaration* altDecl_nondef = new SgClassDeclaration(new Sg_File_Info(SI::getEnclosingFileNode(global)->getFileName()),altDecl_name,originalDecl->get_class_type());

          altDecl_nondef->set_scope(global);
          altDecl->set_scope(global);

          altDecl->set_firstNondefiningDeclaration(altDecl_nondef);
          altDecl_nondef->set_firstNondefiningDeclaration(altDecl_nondef);
          altDecl->set_definingDeclaration(altDecl);
          altDecl_nondef->set_definingDeclaration(altDecl);


          SgClassType* altDecl_ct = SgClassType::createType(altDecl_nondef);
          altDecl->set_type(altDecl_ct);
          altDecl_nondef->set_type(altDecl_ct);

          altDecl->set_isUnNamed(false);
          altDecl_nondef->set_isUnNamed(false);

          altDecl_nondef->set_forward(true);

          SgSymbol* sym = new SgClassSymbol(altDecl_nondef);
          global->insert_symbol(altDecl_name, sym);

          altDecl->set_linkage("C");
          altDecl_nondef->set_linkage("C");

          ROSE_ASSERT(sym && sym->get_symbol_basis() == altDecl_nondef);
          ROSE_ASSERT(altDecl->get_definingDeclaration() == altDecl);
          ROSE_ASSERT(altDecl->get_firstNondefiningDeclaration() == altDecl_nondef);
          ROSE_ASSERT(altDecl->search_for_symbol_from_symbol_table() == sym);
          ROSE_ASSERT(altDecl->get_definition() == altDecl_definition);
          ROSE_ASSERT(altDecl->get_scope() == global && altDecl->get_scope() == altDecl_nondef->get_scope());
          ROSE_ASSERT(altDecl_ct->get_declaration() == altDecl_nondef);

          //For some reason, this is not working...

          //global->append_statement(altDecl);
          //global->prepend_statement(altDecl_nondef);

          //SI::setOneSourcePositionForTransformation(altDecl);
          //SI::setOneSourcePositionForTransformation(altDecl_nondef);
        }

        SgType* baseType;
        if(isSgPointerType(ptr))
          baseType = ptr->dereference();
        else
          baseType = ptr->findBaseType();

        baseType = baseType->stripTypedefsAndModifiers();
        if(baseType == NULL || baseType == ptr)
        {
          //In this case, there is no base type.
          rhs = SB::buildFunctionCallExp(SgName("ti_init"),SgTypeVoid::createType(),SB::buildExprListExp(
                                           SB::buildStringVal(ptr->unparseToString()),
                                           ((altDecl == NULL && !isSgTypeVoid(ptr)) ? (SgExpression*) SB::buildSizeOfOp(types[index]) : (SgExpression*) SB::buildIntVal(-1)),
                                           SB::buildIntVal(getClassification(ptr))
                                         ),init_definition);
        }
        else
        {
          //The type has a base type.
          std::string baseStructNameStr = prefix + Util::getNameForType(baseType).getString();
          rhs = SB::buildFunctionCallExp(SgName("ti_init"),ti_type,SB::buildExprListExp(
                                           SB::buildStringVal(ptr->unparseToString()),
                                           ((altDecl == NULL && !isSgTypeVoid(ptr)) ? (SgExpression*) SB::buildSizeOfOp(types[index]) : (SgExpression*) SB::buildIntVal(-1)),
                                           SB::buildIntVal(getClassification(ptr))
                                         ),init_definition);

          SgExprStatement* set_BT = SB::buildFunctionCallStmt(SgName("setBaseType"),ti_type,SB::buildExprListExp(
                                      SB::buildVarRefExp(structNameStr),
                                      SB::buildVarRefExp(baseStructNameStr)),
                                    init_definition);
          init_definition->append_statement(set_BT);
        }
        lhs = SB::buildVarRefExp(structNameStr);


        SgExprStatement* assignstmt = SB::buildAssignStatement(lhs,rhs);
        init_definition->prepend_statement(assignstmt);
        std::remove(lst.begin(),lst.end(),structNameStr);

      }



    }
  }
Ejemplo n.º 6
0
SgClassDeclaration*
buildClassDeclarationAndDefinition (string name, SgScopeStatement* scope)
   {
  // This function builds a class declaration and definition 
  // (both the defining and nondefining declarations as required).

  // This is the class definition (the fileInfo is the position of the opening brace)
     SgClassDefinition* classDefinition   = new SgClassDefinition(SOURCE_POSITION);
     assert(classDefinition != NULL);

  // Set the end of construct explictly (where not a transformation this is the location of the closing brace)
     classDefinition->set_endOfConstruct(SOURCE_POSITION);

  // This is the defining declaration for the class (with a reference to the class definition)
     SgClassDeclaration* classDeclaration = new SgClassDeclaration(SOURCE_POSITION,name.c_str(),SgClassDeclaration::e_struct,NULL,classDefinition);
     assert(classDeclaration != NULL);
     classDeclaration->set_endOfConstruct(SOURCE_POSITION);

  // Set the defining declaration in the defining declaration!
     classDeclaration->set_definingDeclaration(classDeclaration);

  // Set the non defining declaration in the defining declaration (both are required)
     SgClassDeclaration* nondefiningClassDeclaration = new SgClassDeclaration(SOURCE_POSITION,name.c_str(),SgClassDeclaration::e_struct,NULL,NULL);
     assert(classDeclaration != NULL);
     nondefiningClassDeclaration->set_endOfConstruct(SOURCE_POSITION);
     nondefiningClassDeclaration->set_scope(scope); // scope is needed for createType()
     nondefiningClassDeclaration->set_type(SgClassType::createType(nondefiningClassDeclaration));

  // Set the internal reference to the non-defining declaration
     classDeclaration->set_firstNondefiningDeclaration(nondefiningClassDeclaration);
     classDeclaration->set_type (nondefiningClassDeclaration->get_type());

  // Set the defining and no-defining declarations in the non-defining class declaration!
     nondefiningClassDeclaration->set_firstNondefiningDeclaration(nondefiningClassDeclaration);
     nondefiningClassDeclaration->set_definingDeclaration(classDeclaration);

  // Set the nondefining declaration as a forward declaration!
     nondefiningClassDeclaration->setForward();

  // Liao (2/13/2008), symbol for the declaration
     SgClassSymbol* mysymbol = new SgClassSymbol(nondefiningClassDeclaration);
     scope->insert_symbol(name, mysymbol);

  // Don't forget the set the declaration in the definition (IR node constructors are side-effect free!)!
     classDefinition->set_declaration(classDeclaration);

  // set the scope explicitly (name qualification tricks can imply it is not always the parent IR node!)
     classDeclaration->set_scope(scope);

  //set parent
     classDeclaration->set_parent(scope);
     nondefiningClassDeclaration->set_parent(scope);

  // some error checking
     assert(classDeclaration->get_definingDeclaration() != NULL);
     assert(classDeclaration->get_firstNondefiningDeclaration() != NULL);
     assert(classDeclaration->get_definition() != NULL);

     ROSE_ASSERT(classDeclaration->get_definition()->get_parent() != NULL);

     return classDeclaration;
   }