void visitorTraversal::visit(SgNode* n)
{
SgGlobal* globalScope = isSgGlobal(n);
if (globalScope != NULL)
{
printf ("Looking for \"x\" in the global symbol table ... \n");
SgSymbol* symbol = globalScope->lookup_var_symbol("x");
ROSE_ASSERT(symbol != NULL);
// Iterate through the symbol table
SgSymbolTable::BaseHashType* hashTable = globalScope->get_symbol_table()->get_table();
SgSymbolTable::hash_iterator i = hashTable->begin();
while (i != hashTable->end())
{
printf ("hash tabel entry: i->first = %s \n",i->first.str());
i++;
}
}
#if 0
SgScopeStatement* scope = isSgScopeStatement(n);
if (scope != NULL)
{
printf ("Looking for \"x\" in the global symbol table ... \n");
SgSymbol* symbol = globalScope->lookup_var_symbol("x");
ROSE_ASSERT(symbol != NULL);
}
#endif
}
void
TransformationSupport::getTransformationOptions ( SgNode* astNode, list<OptionDeclaration> & generatedList, string identifingTypeName )
{
// This function searches for variables of type ScopeBasedTransformationOptimization. Variables
// of type ScopeBasedTransformationOptimization are used to communicate optimizations from the
// application to the preprocessor. If called from a project or file object it traverses down to
// the global scope of the file and searches only the global scope, if called from and other
// location within the AST it searches the current scope and then traverses the parent nodes to
// find all enclosing scopes until in reaches the global scope. At each scope it searches for
// variables of type ScopeBasedTransformationOptimization.
// printf ("######################### START OF TRANSFORMATION OPTION QUERY ######################## \n");
ROSE_ASSERT (astNode != NULL);
ROSE_ASSERT (identifingTypeName.c_str() != NULL);
#if 0
printf ("In getTransformationOptions(): astNode->sage_class_name() = %s generatedList.size() = %d \n",
astNode->sage_class_name(),generatedList.size());
SgLocatedNode* locatedNode = isSgLocatedNode(astNode);
if (locatedNode != NULL)
{
printf (" locatedNode->get_file_info()->get_filename() = %s \n",locatedNode->get_file_info()->get_filename());
printf (" locatedNode->get_file_info()->get_line() = %d \n",locatedNode->get_file_info()->get_line());
}
#endif
switch (astNode->variant())
{
case ProjectTag:
{
SgProject* project = isSgProject(astNode);
ROSE_ASSERT (project != NULL);
//! Loop through all the files in the project and call the mainTransform function for each file
int i = 0;
for (i=0; i < project->numberOfFiles(); i++)
{
SgFile* file = &(project->get_file(i));
// printf ("Calling Query::traverse(SgFile,QueryFunctionType,QueryAssemblyFunctionType) \n");
getTransformationOptions ( file, generatedList, identifingTypeName );
}
break;
}
case SourceFileTag:
{
SgSourceFile* file = isSgSourceFile(astNode);
ROSE_ASSERT (file != NULL);
SgGlobal* globalScope = file->get_globalScope();
ROSE_ASSERT (globalScope != NULL);
ROSE_ASSERT (isSgGlobal(globalScope) != NULL);
getTransformationOptions ( globalScope, generatedList, identifingTypeName );
break;
}
// Global Scope
case GLOBAL_STMT:
{
SgGlobal* globalScope = isSgGlobal(astNode);
ROSE_ASSERT (globalScope != NULL);
SgSymbolTable* symbolTable = globalScope->get_symbol_table();
ROSE_ASSERT (symbolTable != NULL);
getTransformationOptions ( symbolTable, generatedList, identifingTypeName );
// printf ("Processed global scope, exiting .. \n");
// ROSE_ABORT();
break;
}
case SymbolTableTag:
{
// List the variable in each scope
// printf ("List all the variables in this symbol table! \n");
SgSymbolTable* symbolTable = isSgSymbolTable(astNode);
ROSE_ASSERT (symbolTable != NULL);
bool foundTransformationOptimizationSpecifier = false;
// printf ("Now print out the information in the symbol table for this scope: \n");
// symbolTable->print();
#if 0
// I don't know when a SymbolTable is given a name!
printf ("SymbolTable has a name = %s \n",
(symbolTable->get_no_name()) ? "NO: it has no name" : "YES: it does have a name");
if (!symbolTable->get_no_name())
printf ("SymbolTable name = %s \n",symbolTable->get_name().str());
else
ROSE_ASSERT (symbolTable->get_name().str() == NULL);
#endif
if (symbolTable->get_table() != NULL)
{
SgSymbolTable::hash_iterator i = symbolTable->get_table()->begin();
int counter = 0;
while (i != symbolTable->get_table()->end())
{
ROSE_ASSERT ( isSgSymbol( (*i).second ) != NULL );
// printf ("Initial info: number: %d pair.first (SgName) = %s pair.second (SgSymbol) sage_class_name() = %s \n",
// counter,(*i).first.str(),(*i).second->sage_class_name());
SgSymbol* symbol = isSgSymbol((*i).second);
ROSE_ASSERT ( symbol != NULL );
SgType* type = symbol->get_type();
ROSE_ASSERT ( type != NULL );
SgNamedType* namedType = isSgNamedType(type);
string typeName;
if (namedType != NULL)
{
SgName n = namedType->get_name();
typeName = namedType->get_name().str();
// char* nameString = namedType->get_name().str();
// printf ("Type is: (named type) = %s \n",nameString);
ROSE_ASSERT (identifingTypeName.c_str() != NULL);
// ROSE_ASSERT (typeName != NULL);
// printf ("In getTransformationOptions(): typeName = %s identifingTypeName = %s \n",typeName.c_str(),identifingTypeName.c_str());
// if ( (typeName != NULL) && ( typeName == identifingTypeName) )
if ( typeName == identifingTypeName )
{
// Now look at the parameter list to the constructor and save the
// values into the list.
// printf ("Now save the constructor arguments! \n");
SgVariableSymbol* variableSymbol = isSgVariableSymbol(symbol);
if ( variableSymbol != NULL )
{
SgInitializedName* initializedNameDeclaration = variableSymbol->get_declaration();
ROSE_ASSERT (initializedNameDeclaration != NULL);
SgDeclarationStatement* declarationStatement = initializedNameDeclaration->get_declaration();
ROSE_ASSERT (declarationStatement != NULL);
SgVariableDeclaration* variableDeclaration = isSgVariableDeclaration(declarationStatement);
ROSE_ASSERT (variableDeclaration != NULL);
getTransformationOptionsFromVariableDeclarationConstructorArguments(variableDeclaration,generatedList);
foundTransformationOptimizationSpecifier = true;
// printf ("Exiting after saving the constructor arguments! \n");
// ROSE_ABORT();
}
else
{
#if 0
printf ("Not a SgVariableSymbol: symbol->sage_class_name() = %s \n",
symbol->sage_class_name());
#endif
}
}
else
{
#if 0
printf ("typeName != identifingTypeName : symbol->sage_class_name() = %s \n",
symbol->sage_class_name());
#endif
#if 0
// I don't think this should ever be NULL (but it is sometimes)
if (typeName != NULL)
printf ("typeName == NULL \n");
#endif
}
}
else
{
typeName = (char *)type->sage_class_name();
}
// printf ("In while loop at the base: counter = %d \n",counter);
i++;
counter++;
}
}
else
{
// printf ("Pointer to symbol table is NULL \n");
}
// printf ("foundTransformationOptimizationSpecifier = %s \n",foundTransformationOptimizationSpecifier ? "true" : "false");
// SgSymbolTable objects don't have a parent node (specifically they lack a get_parent
// member function in the interface)!
break;
}
case BASIC_BLOCK_STMT:
{
// List the variable in each scope
// printf ("List all the variables in this scope! \n");
SgBasicBlock* basicBlock = isSgBasicBlock(astNode);
ROSE_ASSERT (basicBlock != NULL);
SgSymbolTable* symbolTable = basicBlock->get_symbol_table();
ROSE_ASSERT (symbolTable != NULL);
getTransformationOptions ( symbolTable, generatedList, identifingTypeName );
// Next go (fall through this case) to the default case so that we traverse the parent
// of the SgBasicBlock.
// break;
}
default:
// Most cases will be the default (this is by design)
// printf ("default in switch found in globalQueryGetListOperandStringFunction() (sage_class_name = %s) \n",astNode->sage_class_name());
// Need to recursively backtrack through the parents until we reach the SgGlobal (global scope)
SgStatement* statement = isSgStatement(astNode);
if (statement != NULL)
{
SgNode* parentNode = statement->get_parent();
ROSE_ASSERT (parentNode != NULL);
// printf ("parent = %p parentNode->sage_class_name() = %s \n",parentNode,parentNode->sage_class_name());
SgStatement* parentStatement = isSgStatement(parentNode);
if (parentStatement == NULL)
{
printf ("parentStatement == NULL: statement (%p) is a %s \n",statement,statement->sage_class_name());
printf ("parentStatement == NULL: statement->get_file_info()->get_filename() = %s \n",statement->get_file_info()->get_filename());
printf ("parentStatement == NULL: statement->get_file_info()->get_line() = %d \n",statement->get_file_info()->get_line());
}
ROSE_ASSERT (parentStatement != NULL);
// Call this function recursively (directly rather than through the query mechanism)
getTransformationOptions ( parentStatement, generatedList, identifingTypeName );
}
else
{
// printf ("astNode is not a SgStatement! \n");
}
break;
}
#if 0
printf ("At BASE of getTransformationOptions(): astNode->sage_class_name() = %s size of generatedList = %d \n",
astNode->sage_class_name(),generatedList.size());
#endif
// printf ("######################### END OF TRANSFORMATION OPTION QUERY ######################## \n");
}