Ejemplo n.º 1
0
void Jovial_to_C::translateProgramHeaderStatement(SgProgramHeaderStatement* programHeaderStatement)
{
// Get scopeStatement from SgProgramHeaderStatement
   SgScopeStatement* scopeStatement = programHeaderStatement->get_scope();
   ROSE_ASSERT(scopeStatement);
  
// Get ParameterList and DecoratorList
   SgFunctionParameterList* functionParameterList = buildFunctionParameterList(); 
   SgExprListExp* decoratorList = deepCopy(programHeaderStatement->get_decoratorList());
  
// Reuse FunctionDefinition from Fortran programHeaderStatement
   SgFunctionDefinition* functionDefinition = programHeaderStatement->get_definition();
  
// Get basicBlock from SgProgramHeaderStatement
   SgBasicBlock* basicBlock = functionDefinition->get_body();
   ROSE_ASSERT(basicBlock);

   SgSymbolTable* symbolTable = basicBlock->get_symbol_table();
   ROSE_ASSERT(symbolTable);
  
// The main function return type is int
   SgType* mainType = SgTypeInt::createType();
  
// Remove original function symbol.  Keep the new function symbol with name of "main"
   SgFunctionSymbol* functionSymbol = isSgFunctionSymbol(scopeStatement->lookup_symbol(programHeaderStatement->get_name()));
   SgSymbolTable* globalSymbolTable = isSgSymbolTable(functionSymbol->get_parent());
   globalSymbolTable->remove(functionSymbol);
   functionSymbol->set_parent(NULL);
   delete(functionSymbol);
  
// Create SgFunctionDeclaration for C main function. Name must be "main".
   SgFunctionDeclaration* cFunctionDeclaration = buildDefiningFunctionDeclaration("main",
                                                                                  mainType,
                                                                                  functionParameterList,
                                                                                  scopeStatement);
  
// Setup the C function declaration.
   removeList.push_back(cFunctionDeclaration->get_definition());
   functionDefinition->set_parent(cFunctionDeclaration);
   cFunctionDeclaration->set_definition(functionDefinition);
   programHeaderStatement->set_definition(NULL);
 
// Replace the SgProgramHeaderStatement with SgFunctionDeclaration.
   replaceStatement(programHeaderStatement,cFunctionDeclaration,true);
   cFunctionDeclaration->set_decoratorList(decoratorList);
// cFunctionDeclaration->set_startOfConstruct(functionDefinition->get_startOfConstruct());
// cFunctionDeclaration->set_endOfConstruct(functionDefinition->get_endOfConstruct());
// cFunctionDeclaration->get_file_info()->set_physical_filename(cFunctionDeclaration->get_file_info()->get_filenameString()); 
  
   programHeaderStatement->set_parent(NULL);
}  // End of Jovial_to_C::translateProgramHeaderStatement
void
Visitor::visit(SgNode* n)
   {
     SgFunctionDefinition* functionDefinition = isSgFunctionDefinition(n);
     if (functionDefinition != NULL)
        {
          SgTreeCopy tc;
#if 1
          std::string functionDefinitionString = functionDefinition->unparseToString();
          printf ("(before copy) functionDefinitionString = %s \n",functionDefinitionString.c_str());
#endif
#if 1
          SgFunctionDefinition* copy = isSgFunctionDefinition(n->copy(tc));
          ROSE_ASSERT (copy != NULL);
#if 1
          functionDefinitionString = functionDefinition->unparseToString();
          printf ("(after copy) functionDefinitionString = %s \n",functionDefinitionString.c_str());
#endif
          SgFunctionDeclaration* parentScope = isSgFunctionDeclaration(functionDefinition->get_parent());
          ROSE_ASSERT (parentScope);
          copy->set_parent(parentScope);
#endif
       }
   }