void
ProcTraversal::visit(SgNode *node) {
if (isSgFunctionDeclaration(node)) {
SgFunctionDeclaration *decl = isSgFunctionDeclaration(node);
if (decl->get_definition() != NULL) {
/* collect statistics */
//AstNumberOfNodesStatistics anons;
//anons.traverse(decl, postorder);
//original_ast_nodes += anons.get_numberofnodes();
//original_ast_statements += anons.get_numberofstatements();
/* do the real work */
Procedure *proc = new Procedure();
proc->procnum = procnum++;
proc->decl = decl;
proc->funcsym
= isSgFunctionSymbol(decl->get_symbol_from_symbol_table());
if (proc->funcsym == NULL)
{
#if 0
std::cout
<< std::endl
<< "*** NULL function symbol for declaration "
<< decl->unparseToString()
<< std::endl
<< "symbol: "
<< (void *) decl->get_symbol_from_symbol_table()
<< (decl->get_symbol_from_symbol_table() != NULL ?
decl->get_symbol_from_symbol_table()->class_name()
: "")
<< std::endl
<< "first nondef decl: "
<< (void *) decl->get_firstNondefiningDeclaration()
<< " sym: "
<< (decl->get_firstNondefiningDeclaration() != NULL ?
(void *) decl->get_firstNondefiningDeclaration()
->get_symbol_from_symbol_table()
: (void *) NULL)
<< std::endl;
#endif
if (decl->get_firstNondefiningDeclaration() != NULL)
{
proc->funcsym = isSgFunctionSymbol(decl
->get_firstNondefiningDeclaration()
->get_symbol_from_symbol_table());
}
}
assert(proc->funcsym != NULL);
// GB (2008-05-14): We need two parameter lists: One for the names of the
// variables inside the function definition, which is
// decl->get_parameterList(), and one that contains any default arguments
// the function might have. The default arguments are supposedly
// associated with the first nondefining declaration.
proc->params = decl->get_parameterList();
SgDeclarationStatement *fndstmt = decl->get_firstNondefiningDeclaration();
SgFunctionDeclaration *fnd = isSgFunctionDeclaration(fndstmt);
if (fnd != NULL && fnd != decl)
proc->default_params = fnd->get_parameterList();
else
proc->default_params = proc->params;
SgMemberFunctionDeclaration *mdecl
= isSgMemberFunctionDeclaration(decl);
if (mdecl) {
proc->class_type = isSgClassDefinition(mdecl->get_scope());
std::string name = proc->class_type->get_mangled_name().str();
name += "::";
name += decl->get_name().str();
std::string mname = proc->class_type->get_mangled_name().str();
mname += "::";
mname += decl->get_mangled_name().str();
proc->memberf_name = name;
proc->mangled_memberf_name = mname;
proc->name = decl->get_name().str();
proc->mangled_name = decl->get_mangled_name().str();
// GB (2008-05-26): Computing a single this symbol for each
// procedure. Thus, this symbol can also be compared by pointer
// equality (as is the case for all other symbols). While we're at it,
// we also build a VarRefExp for this which can be used everywhere the
// this pointer occurs.
proc->this_type = Ir::createPointerType(
proc->class_type->get_declaration()->get_type());
proc->this_sym = Ir::createVariableSymbol("this", proc->this_type);
proc->this_exp = Ir::createVarRefExp(proc->this_sym);
} else {
proc->name = decl->get_name().str();
proc->mangled_name = decl->get_mangled_name().str();
proc->class_type = NULL;
proc->memberf_name = proc->mangled_memberf_name = "";
proc->this_type = NULL;
proc->this_sym = NULL;
proc->this_exp = NULL;
// GB (2008-07-01): Better resolution of calls to static functions.
// This only makes sense for non-member functions.
SgStorageModifier &sm =
(fnd != NULL ? fnd : decl)->get_declarationModifier().get_storageModifier();
proc->isStatic = sm.isStatic();
// Note that we query the first nondefining declaration for the
// static modifier, but we save the file of the *defining*
// declaration. This is because the first declaration might be in
// some header file, but for call resolution, the actual source
// file with the definition is relevant.
// Trace back to the enclosing file node. The definition might be
// included in foo.c from bar.c, in which case the Sg_File_Info
// would refer to bar.c; but for function call resolution, foo.c is
// the relevant file.
SgNode *p = decl->get_parent();
while (p != NULL && !isSgFile(p))
p = p->get_parent();
proc->containingFile = isSgFile(p);
}
proc_map.insert(std::make_pair(proc->name, proc));
mangled_proc_map.insert(std::make_pair(proc->mangled_name, proc));
std::vector<SgVariableSymbol* >* arglist
= new std::vector<SgVariableSymbol* >();
SgVariableSymbol *this_var = NULL, *this_temp_var = NULL;
if (mdecl
|| decl->get_parameterList() != NULL
&& !decl->get_parameterList()->get_args().empty()) {
proc->arg_block
= new BasicBlock(node_id, INNER, proc->procnum);
if (mdecl) {
// GB (2008-05-26): We now compute the this pointer right at the
// beginning of building the procedure.
// this_var = Ir::createVariableSymbol("this", this_type);
this_var = proc->this_sym;
// std::string varname
// = std::string("$") + proc->name + "$this";
// this_temp_var = Ir::createVariableSymbol(varname, proc->this_type);
this_temp_var = global_this_variable_symbol;
ParamAssignment* paramAssignment
= Ir::createParamAssignment(this_var, this_temp_var);
proc->arg_block->statements.push_back(paramAssignment);
arglist->push_back(this_var);
if (proc->name.find('~') != std::string::npos) {
arglist->push_back(this_temp_var);
}
}
SgInitializedNamePtrList params
= proc->params->get_args();
SgInitializedNamePtrList::const_iterator i;
#if 0
int parnum = 0;
for (i = params.begin(); i != params.end(); ++i) {
SgVariableSymbol *i_var = Ir::createVariableSymbol(*i);
std::stringstream varname;
// varname << "$" << proc->name << "$arg_" << parnum++;
SgVariableSymbol* var =
Ir::createVariableSymbol(varname.str(),(*i)->get_type());
proc->arg_block->statements.push_back(Ir::createParamAssignment(i_var, var));
arglist->push_back(i_var);
}
#else
// GB (2008-06-23): Trying to replace all procedure-specific argument
// variables by a global list of argument variables. This means that at
// this point, we do not necessarily need to build a complete list but
// only add to the CFG's argument list if it is not long enough.
size_t func_params = params.size();
size_t global_args = global_argument_variable_symbols.size();
std::stringstream varname;
while (global_args < func_params)
{
varname.str("");
varname << "$tmpvar$arg_" << global_args++;
SgVariableSymbol *var
= Ir::createVariableSymbol(varname.str(),
global_unknown_type);
program->global_map[varname.str()]
= std::make_pair(var, var->get_declaration());
global_argument_variable_symbols.push_back(var);
}
// now create the param assignments
size_t j = 0;
for (i = params.begin(); i != params.end(); ++i)
{
SgVariableSymbol *i_var = Ir::createVariableSymbol(params[j]);
SgVariableSymbol *var = global_argument_variable_symbols[j];
j++;
proc->arg_block->statements.push_back(
Ir::createParamAssignment(i_var, var));
arglist->push_back(i_var);
}
#if 0
// replace the arglist allocated above by the new one; this must be
// fixed for this pointers!
delete arglist;
arglist = &global_argument_variable_symbols;
#endif
#endif
} else {
proc->arg_block = NULL;
}
/* If this is a constructor, call default constructors
* of all base classes. If base class constructors are
* called manually, these calls will be removed later. */
if (mdecl
&& strcmp(mdecl->get_name().str(),
proc->class_type->get_declaration()->get_name().str()) == 0
&& proc->class_type != NULL) {
SgBaseClassPtrList::iterator base;
for (base = proc->class_type->get_inheritances().begin();
base != proc->class_type->get_inheritances().end();
++base) {
SgClassDeclaration* baseclass = (*base)->get_base_class();
SgVariableSymbol *lhs
= Ir::createVariableSymbol("$tmpvar$" + baseclass->get_name(),
baseclass->get_type());
program->global_map["$tmpvar$" + baseclass->get_name()]
= std::make_pair(lhs, lhs->get_declaration());
SgMemberFunctionDeclaration* fd=get_default_constructor(baseclass);
assert(fd);
SgType* basetype=baseclass->get_type();
assert(basetype);
SgConstructorInitializer *sci
= Ir::createConstructorInitializer(fd,basetype);
ArgumentAssignment* a
= Ir::createArgumentAssignment(lhs, sci);
proc->arg_block->statements.push_back(a);
// std::string this_called_varname
// = std::string("$") + baseclass->get_name() + "$this";
SgVariableSymbol *this_called_var
// = Ir::createVariableSymbol(this_called_varname,
// baseclass->get_type());
= global_this_variable_symbol;
ReturnAssignment* this_ass
= Ir::createReturnAssignment(this_var, this_called_var);
proc->arg_block->statements.push_back(this_ass);
}
}
if (mdecl && mdecl->get_CtorInitializerList() != NULL
&& !mdecl->get_CtorInitializerList()->get_ctors().empty()) {
SgInitializedNamePtrList cis
= mdecl->get_CtorInitializerList()->get_ctors();
SgInitializedNamePtrList::const_iterator i;
if (proc->arg_block == NULL) {
proc->arg_block = new BasicBlock(node_id, INNER, proc->procnum);
}
for (i = cis.begin(); i != cis.end(); ++i) {
SgVariableSymbol* lhs = Ir::createVariableSymbol(*i);
SgAssignInitializer *ai
= isSgAssignInitializer((*i)->get_initializer());
SgConstructorInitializer *ci
= isSgConstructorInitializer((*i)->get_initializer());
/* TODO: other types of initializers */
if (ai) {
SgClassDeclaration *class_decl
= proc->class_type->get_declaration();
// GB (2008-05-26): We now compute the this pointer right at the
// beginning of building the procedure.
// SgVarRefExp* this_ref
// = Ir::createVarRefExp("this",
// Ir::createPointerType(class_decl->get_type()));
SgVarRefExp* this_ref = proc->this_exp;
SgArrowExp* arrowExp
= Ir::createArrowExp(this_ref,Ir::createVarRefExp(lhs));
// GB (2008-03-17): We need to handle function calls in
// initializers. In order to be able to build an argument
// assignment, we need to know the function's return variable, so
// the expression labeler must be called on it. The expression
// number is irrelevant, however, as it does not appear in the
// return variable.
if (isSgFunctionCallExp(ai->get_operand_i())) {
#if 0
ExprLabeler el(0 /*expnum*/);
el.traverse(ai->get_operand_i(), preorder);
// expnum = el.get_expnum();
#endif
// GB (2008-06-25): There is now a single global return
// variable. This may or may not mean that we can simply ignore
// the code above. I don't quite understand why this labeling
// couldn't be done later on, and where its result was used.
}
ArgumentAssignment* argumentAssignment
= Ir::createArgumentAssignment(arrowExp,ai->get_operand_i());
proc->arg_block->statements.push_back(argumentAssignment);
} else if (ci) {
/* if this is a call to a base class's
* constructor, remove the call we generated
* before */
SgStatement* this_a = NULL;
SgClassDeclaration* cd = ci->get_class_decl();
std::deque<SgStatement *>::iterator i;
for (i = proc->arg_block->statements.begin();
i != proc->arg_block->statements.end();
++i) {
ArgumentAssignment* a
= dynamic_cast<ArgumentAssignment *>(*i);
if (a && isSgConstructorInitializer(a->get_rhs())) {
SgConstructorInitializer* c
= isSgConstructorInitializer(a->get_rhs());
std::string c_decl_name = c->get_class_decl()->get_name().str();
std::string cd_name = cd->get_name().str();
// if (c->get_class_decl()->get_name() == cd->get_name()) {
if (c_decl_name == cd_name) {
#if 0
// erase the following assignment
// of the this pointer as well
this_a = *proc->arg_block->statements.erase(i+1);
proc->arg_block->statements.erase(i);
#endif
// GB (2008-03-28): That's an interesting piece of code, but
// it might be very mean to iterators. At least it is hard to
// see whether it is correct. So let's try it like this:
// erase i; we get an iterator back, which refers to the next
// element. Save that element as this_a, and then erase.
std::deque<SgStatement *>::iterator this_pos;
this_pos = proc->arg_block->statements.erase(i);
this_a = *this_pos;
proc->arg_block->statements.erase(this_pos);
// Good. Looks like this fixed a very obscure bug.
break;
}
}
}
/* now add the initialization */
proc->arg_block->statements.push_back(Ir::createArgumentAssignment(lhs, ci));
if (this_a != NULL)
proc->arg_block->statements.push_back(this_a);
}
}
}
proc->entry = new CallBlock(node_id++, START, proc->procnum,
new std::vector<SgVariableSymbol *>(*arglist),
(proc->memberf_name != ""
? proc->memberf_name
: proc->name));
proc->exit = new CallBlock(node_id++, END, proc->procnum,
new std::vector<SgVariableSymbol *>(*arglist),
(proc->memberf_name != ""
? proc->memberf_name
: proc->name));
proc->entry->partner = proc->exit;
proc->exit->partner = proc->entry;
proc->entry->call_target = Ir::createFunctionRefExp(proc->funcsym);
proc->exit->call_target = Ir::createFunctionRefExp(proc->funcsym);
/* In constructors, insert an assignment $A$this = this
* at the end to make sure that the 'this' pointer can be
* passed back to the calling function uncobbled. */
proc->this_assignment = NULL;
if (mdecl) {
SgMemberFunctionDeclaration* cmdecl
= isSgMemberFunctionDeclaration(mdecl->get_firstNondefiningDeclaration());
// if (cmdecl && cmdecl->get_specialFunctionModifier().isConstructor()) {
proc->this_assignment
= new BasicBlock(node_id++, INNER, proc->procnum);
ReturnAssignment* returnAssignment
= Ir::createReturnAssignment(this_temp_var, this_var);
proc->this_assignment->statements.push_back(returnAssignment);
add_link(proc->this_assignment, proc->exit, NORMAL_EDGE);
// }
}
std::stringstream varname;
// varname << "$" << proc->name << "$return";
// proc->returnvar = Ir::createVariableSymbol(varname.str(),
// decl->get_type()->get_return_type());
proc->returnvar = global_return_variable_symbol;
procedures->push_back(proc);
if(getPrintCollectedFunctionNames()) {
std::cout << (proc->memberf_name != ""
? proc->memberf_name
: proc->name)
<< " " /*<< proc->decl << std::endl*/;
}
if (proc->arg_block != NULL)
{
proc->arg_block->call_target
= Ir::createFunctionRefExp(proc->funcsym);
}
// delete arglist;
}
}
}
void
FixupAstSymbolTablesToSupportAliasedSymbols::visit ( SgNode* node )
{
// DQ (11/24/2007): Output the current IR node for debugging the traversal of the Fortran AST.
#if ALIAS_SYMBOL_DEBUGGING
printf ("In FixupAstSymbolTablesToSupportAliasedSymbols::visit() (preorder AST traversal) node = %p = %s \n",node,node->class_name().c_str());
#endif
#if 0
// DQ (7/23/2011): New support for linking namespaces sharing the same name (mangled name).
// std::map<SgName,std::vector<SgNamespaceDefinition*> > namespaceMap;
SgNamespaceDefinitionStatement* namespaceDefinition = isSgNamespaceDefinitionStatement(node);
if (namespaceDefinition != NULL)
{
// DQ (7/23/2011): Assemble namespaces with the same name into vectors defined in the map
// accessed using the name of the namespace as a key.
#error "DEAD CODE"
SgName name = namespaceDefinition->get_namespaceDeclaration()->get_name();
#if ALIAS_SYMBOL_DEBUGGING
printf ("In FixupAstSymbolTablesToSupportAliasedSymbols: namespace definition found for name = %s #symbols = %d \n",name.str(),namespaceDefinition->get_symbol_table()->size());
#endif
// It is important to use mangled names to define unique names when namespaces are nested.
SgName mangledNamespaceName = namespaceDefinition->get_namespaceDeclaration()->get_mangled_name();
#if ALIAS_SYMBOL_DEBUGGING
printf ("In FixupAstSymbolTablesToSupportAliasedSymbols: namespace definition associated mangled name = %s \n",mangledNamespaceName.str());
#endif
// DQ (7/23/2011): Fixup the name we use as a key in the map to relect that some namespaces don't have a name.
if (name == "")
{
// Modify the mangled name to reflect the unnamed namespace...
#if ALIAS_SYMBOL_DEBUGGING
printf ("Warning in FixupAstSymbolTablesToSupportAliasedSymbols::visit(): Unnamed namespaces shuld be mangled to reflect the lack of a name \n");
#endif
mangledNamespaceName += "_unnamed_namespace";
}
#if ALIAS_SYMBOL_DEBUGGING
printf ("namespace definition associated mangled name = %s \n",mangledNamespaceName.str());
#endif
#if ALIAS_SYMBOL_DEBUGGING
printf ("In FixupAstSymbolTablesToSupportAliasedSymbols: associated mangled name = %s namespaceMap size = %" PRIuPTR " \n",mangledNamespaceName.str(),namespaceMap.size());
#endif
std::map<SgName,std::vector<SgNamespaceDefinitionStatement*> >::iterator i = namespaceMap.find(mangledNamespaceName);
if (i != namespaceMap.end())
{
std::vector<SgNamespaceDefinitionStatement*> & namespaceVector = i->second;
#if ALIAS_SYMBOL_DEBUGGING
printf ("In FixupAstSymbolTablesToSupportAliasedSymbols: (found an entry): Namespace vector size = %" PRIuPTR " \n",namespaceVector.size());
#endif
// Testing each entry...
for (size_t j = 0; j < namespaceVector.size(); j++)
{
ROSE_ASSERT(namespaceVector[j] != NULL);
SgName existingNamespaceName = namespaceVector[j]->get_namespaceDeclaration()->get_name();
#if ALIAS_SYMBOL_DEBUGGING
printf ("Existing namespace (SgNamespaceDefinitionStatement) %p = %s \n",namespaceVector[j],existingNamespaceName.str());
#endif
if (j > 0)
{
ROSE_ASSERT(namespaceVector[j]->get_previousNamespaceDefinition() != NULL);
}
if (namespaceVector.size() > 1 && j < namespaceVector.size() - 2)
{
ROSE_ASSERT(namespaceVector[j]->get_nextNamespaceDefinition() != NULL);
}
}
#error "DEAD CODE"
size_t namespaceListSize = namespaceVector.size();
if (namespaceListSize > 0)
{
size_t lastNamespaceIndex = namespaceListSize - 1;
// DQ (5/9/2013): Before setting these, I think they should be unset (to NULL values).
// ROSE_ASSERT(namespaceVector[lastNamespaceIndex]->get_nextNamespaceDefinition() == NULL);
// ROSE_ASSERT(namespaceDefinition->get_previousNamespaceDefinition() == NULL);
// ROSE_ASSERT(namespaceVector[lastNamespaceIndex]->get_nextNamespaceDefinition() == NULL);
ROSE_ASSERT(namespaceDefinition->get_previousNamespaceDefinition() != NULL);
// namespaceVector[lastNamespaceIndex]->set_nextNamespaceDefinition(namespaceDefinition);
#if 1
printf ("namespaceVector[lastNamespaceIndex]->get_nextNamespaceDefinition() = %p \n",namespaceVector[lastNamespaceIndex]->get_nextNamespaceDefinition());
#endif
if (namespaceVector[lastNamespaceIndex]->get_nextNamespaceDefinition() == NULL)
{
namespaceVector[lastNamespaceIndex]->set_nextNamespaceDefinition(namespaceDefinition);
}
else
{
// DQ (5/9/2013): If this is already set then make sure it was set to the correct value.
ROSE_ASSERT(namespaceVector[lastNamespaceIndex]->get_nextNamespaceDefinition() == namespaceDefinition);
}
#error "DEAD CODE"
// DQ (5/9/2013): If this is already set then make sure it was set to the correct value.
// namespaceDefinition->set_previousNamespaceDefinition(namespaceVector[lastNamespaceIndex]);
ROSE_ASSERT(namespaceDefinition->get_previousNamespaceDefinition() != NULL);
ROSE_ASSERT(namespaceDefinition->get_previousNamespaceDefinition() == namespaceVector[lastNamespaceIndex]);
// DQ (5/9/2013): I think I can assert this.
ROSE_ASSERT(namespaceVector[lastNamespaceIndex]->get_namespaceDeclaration()->get_name() == namespaceDefinition->get_namespaceDeclaration()->get_name());
ROSE_ASSERT(namespaceDefinition->get_previousNamespaceDefinition() != NULL);
#if 1
printf ("namespaceDefinition = %p namespaceDefinition->get_nextNamespaceDefinition() = %p \n",namespaceDefinition,namespaceDefinition->get_nextNamespaceDefinition());
#endif
// ROSE_ASSERT(namespaceDefinition->get_nextNamespaceDefinition() == NULL);
// ROSE_ASSERT(namespaceVector[lastNamespaceIndex]->get_nextNamespaceDefinition() == NULL);
}
// Add the namespace matching a previous name to the list.
namespaceVector.push_back(namespaceDefinition);
#error "DEAD CODE"
// Setup scopes as sources and distinations of alias symbols.
SgNamespaceDefinitionStatement* referencedScope = namespaceDefinition->get_previousNamespaceDefinition();
ROSE_ASSERT(referencedScope != NULL);
SgNamespaceDefinitionStatement* currentScope = namespaceDefinition;
ROSE_ASSERT(currentScope != NULL);
#if ALIAS_SYMBOL_DEBUGGING
printf ("In FixupAstSymbolTablesToSupportAliasedSymbols: Suppress injection of symbols from one namespace to the other for each reintrant namespace \n");
printf ("In FixupAstSymbolTablesToSupportAliasedSymbols: referencedScope #symbols = %d currentScope #symbols = %d \n",referencedScope->get_symbol_table()->size(),currentScope->get_symbol_table()->size());
printf ("In FixupAstSymbolTablesToSupportAliasedSymbols: referencedScope = %p currentScope = %p \n",referencedScope,currentScope);
#endif
#if 1
// Generate the alias symbols from the referencedScope and inject into the currentScope.
injectSymbolsFromReferencedScopeIntoCurrentScope(referencedScope,currentScope,SgAccessModifier::e_default);
#endif
}
else
{
#if ALIAS_SYMBOL_DEBUGGING
printf ("In FixupAstSymbolTablesToSupportAliasedSymbols: (entry NOT found): Insert namespace %p for name = %s into the namespaceMap \n",namespaceDefinition,mangledNamespaceName.str());
#endif
std::vector<SgNamespaceDefinitionStatement*> list(1);
ROSE_ASSERT(list.size() == 1);
#error "DEAD CODE"
list[0] = namespaceDefinition;
#if 0
// DQ (3/11/2012): New code, but maybe we should instead put the implicit "std" namespace into the global scope more directly.
if (mangledNamespaceName == "std" && false)
{
// This case has to be handled special since the implicit "std" namespace primary declaration was
// constructed but not added to the global scope. But maybe it should be.
}
else
{
// DQ (7/24/2011): get_nextNamespaceDefinition() == NULL is false in the case of the AST copy tests
// (see tests/nonsmoke/functional/CompileTests/copyAST_tests/copytest2007_30.C). Only get_nextNamespaceDefinition()
// appears to sometimes be non-null, so we reset them both to NULL just to make sure.
namespaceDefinition->set_nextNamespaceDefinition(NULL);
namespaceDefinition->set_previousNamespaceDefinition(NULL);
ROSE_ASSERT(namespaceDefinition->get_nextNamespaceDefinition() == NULL);
ROSE_ASSERT(namespaceDefinition->get_previousNamespaceDefinition() == NULL);
}
#else
// DQ (7/24/2011): get_nextNamespaceDefinition() == NULL is false in the case of the AST copy tests
// (see tests/nonsmoke/functional/CompileTests/copyAST_tests/copytest2007_30.C). Only get_nextNamespaceDefinition()
// appears to sometimes be non-null, so we reset them both to NULL just to make sure.
namespaceDefinition->set_nextNamespaceDefinition(NULL);
namespaceDefinition->set_previousNamespaceDefinition(NULL);
ROSE_ASSERT(namespaceDefinition->get_nextNamespaceDefinition() == NULL);
ROSE_ASSERT(namespaceDefinition->get_previousNamespaceDefinition() == NULL);
#endif
namespaceMap.insert(std::pair<SgName,std::vector<SgNamespaceDefinitionStatement*> >(mangledNamespaceName,list));
#error "DEAD CODE"
#if ALIAS_SYMBOL_DEBUGGING
printf ("namespaceMap.size() = %" PRIuPTR " \n",namespaceMap.size());
#endif
}
}
#error "DEAD CODE"
#else
// DQ (5/23/2013): Commented out since we now have a newer and better namespace support for symbol handling.
// printf ("NOTE:: COMMENTED OUT old support for namespace declarations in FixupAstSymbolTablesToSupportAliasedSymbols traversal \n");
#endif
SgUseStatement* useDeclaration = isSgUseStatement(node);
if (useDeclaration != NULL)
{
// This must be done in the Fortran AST construction since aliased symbols must be inserted
// before they are looked up as part of name resolution of variable, functions, and types.
// For C++ we can be more flexible and support the construction of symbol aliases within
// post-processing.
}
// DQ (4/14/2010): Added this C++ specific support.
// In the future we may want to support the injection of alias symbols for C++ "using" directives and "using" declarations.
SgUsingDeclarationStatement* usingDeclarationStatement = isSgUsingDeclarationStatement(node);
if (usingDeclarationStatement != NULL)
{
#if ALIAS_SYMBOL_DEBUGGING
printf ("Found the SgUsingDeclarationStatement \n");
#endif
SgScopeStatement* currentScope = usingDeclarationStatement->get_scope();
ROSE_ASSERT(currentScope != NULL);
SgDeclarationStatement* declaration = usingDeclarationStatement->get_declaration();
SgInitializedName* initializedName = usingDeclarationStatement->get_initializedName();
// Only one of these can be non-null.
ROSE_ASSERT(initializedName != NULL || declaration != NULL);
ROSE_ASSERT( (initializedName != NULL && declaration != NULL) == false);
if (declaration != NULL)
{
#if ALIAS_SYMBOL_DEBUGGING
printf ("In FixupAstSymbolTablesToSupportAliasedSymbols::visit(): declaration = %p = %s \n",declaration,declaration->class_name().c_str());
#endif
}
else
{
if (initializedName != NULL)
{
#if ALIAS_SYMBOL_DEBUGGING
printf ("In FixupAstSymbolTablesToSupportAliasedSymbols::visit(): initializedName = %s \n",initializedName->get_name().str());
#endif
}
else
{
printf ("Error: both declaration and initializedName in SgUsingDeclarationStatement are NULL \n");
ROSE_ASSERT(false);
}
}
#if 0
printf ("Exiting at the base of FixupAstSymbolTablesToSupportAliasedSymbols::visit() \n");
ROSE_ASSERT(false);
#endif
}
SgUsingDirectiveStatement* usingDirectiveStatement = isSgUsingDirectiveStatement(node);
if (usingDirectiveStatement != NULL)
{
#if ALIAS_SYMBOL_DEBUGGING
printf ("Found the SgUsingDirectiveStatement \n");
#endif
SgNamespaceDeclarationStatement* namespaceDeclaration = usingDirectiveStatement->get_namespaceDeclaration();
ROSE_ASSERT(namespaceDeclaration != NULL);
SgScopeStatement* currentScope = usingDirectiveStatement->get_scope();
// To be more specific this is really a SgNamespaceDefinitionStatement
SgScopeStatement* referencedScope = namespaceDeclaration->get_definition();
if (referencedScope == NULL)
{
// DQ (5/21/2010): Handle case of using "std" (predefined namespace in C++), but it not having been explicitly defined (see test2005_57.C).
if (namespaceDeclaration->get_name() != "std")
{
printf ("ERROR: namespaceDeclaration has no valid definition \n");
namespaceDeclaration->get_startOfConstruct()->display("ERROR: namespaceDeclaration has no valid definition");
// DQ (5/20/2010): Added assertion to trap this case.
printf ("Exiting because referencedScope could not be identified.\n");
ROSE_ASSERT(false);
}
}
// Note that "std", as a predefined namespace, can have a null definition, so we can't
// insist that we inject all symbols in namespaces that we can't see explicitly.
if (referencedScope != NULL)
{
ROSE_ASSERT(referencedScope != NULL);
ROSE_ASSERT(currentScope != NULL);
#if 0
printf ("Calling injectSymbolsFromReferencedScopeIntoCurrentScope() for usingDirectiveStatement = %p = %s \n",node,node->class_name().c_str());
#endif
injectSymbolsFromReferencedScopeIntoCurrentScope(referencedScope,currentScope,usingDirectiveStatement,SgAccessModifier::e_default);
}
#if 0
printf ("Exiting at the base of FixupAstSymbolTablesToSupportAliasedSymbols::visit() \n");
ROSE_ASSERT(false);
#endif
}
// DQ (5/6/2011): Added support to build SgAliasSymbols in derived class scopes that reference the symbols of the base classes associated with protected and public declarations.
SgClassDefinition* classDefinition = isSgClassDefinition(node);
if (classDefinition != NULL)
{
// Handle any derived classes.
SgBaseClassPtrList & baseClassList = classDefinition->get_inheritances();
SgBaseClassPtrList::iterator i = baseClassList.begin();
for ( ; i != baseClassList.end(); ++i)
{
// Check each base class.
SgBaseClass* baseClass = *i;
ROSE_ASSERT(baseClass != NULL);
/* skip processing for SgExpBaseClasses (which don't have to define p_base_class) */
if (baseClass->variantT() == V_SgExpBaseClass) {
continue;
}
// printf ("baseClass->get_baseClassModifier().displayString() = %s \n",baseClass->get_baseClassModifier().displayString().c_str());
// printf ("baseClass->get_baseClassModifier().get_accessModifier().displayString() = %s \n",baseClass->get_baseClassModifier().get_accessModifier().displayString().c_str());
// if (baseClass->get_modifier() == SgBaseClass::e_virtual)
if (baseClass->get_baseClassModifier().get_modifier() == SgBaseClassModifier::e_virtual)
{
// Not clear if virtual as a modifier effects the handling of alias symbols.
// printf ("Not clear if virtual as a modifier effects the handling of alias symbols. \n");
}
// DQ (6/22/2011): Define the access level for alias symbol's declarations to be included.
SgAccessModifier::access_modifier_enum accessLevel = baseClass->get_baseClassModifier().get_accessModifier().get_modifier();
SgClassDeclaration* tmpClassDeclaration = baseClass->get_base_class();
ROSE_ASSERT(tmpClassDeclaration != NULL);
#if 0
// ROSE_ASSERT(tmpClassDeclaration->get_definingDeclaration() != NULL);
SgClassDeclaration* targetClassDeclaration = isSgClassDeclaration(tmpClassDeclaration->get_definingDeclaration());
ROSE_ASSERT(targetClassDeclaration != NULL);
SgScopeStatement* referencedScope = targetClassDeclaration->get_definition();
// We need this function to restrict it's injection of symbol to just those that are associated with public and protected declarations.
injectSymbolsFromReferencedScopeIntoCurrentScope(referencedScope,classDefinition,accessLevel);
#else
// DQ (2/25/2012) We only want to inject the symbol where we have identified the defining scope.
if (tmpClassDeclaration->get_definingDeclaration() != NULL)
{
SgClassDeclaration* targetClassDeclaration = isSgClassDeclaration(tmpClassDeclaration->get_definingDeclaration());
ROSE_ASSERT(targetClassDeclaration != NULL);
SgScopeStatement* referencedScope = targetClassDeclaration->get_definition();
#if 0
printf ("Calling injectSymbolsFromReferencedScopeIntoCurrentScope() for classDefinition = %p = %s baseClass = %p accessLevel = %d \n",
node,node->class_name().c_str(),baseClass,accessLevel);
#endif
// DQ (7/12/2014): Use the SgBaseClass as the causal node that has triggered the insertion of the SgAliasSymbols.
// We need this function to restrict it's injection of symbol to just those that are associated with public and protected declarations.
injectSymbolsFromReferencedScopeIntoCurrentScope(referencedScope,classDefinition,baseClass,accessLevel);
}
else
{
// DQ (2/25/2012): Print a warning message when this happens (so far only test2012_08.C).
if (SgProject::get_verbose() > 0)
{
mprintf ("WARNING: In FixupAstSymbolTablesToSupportAliasedSymbols::visit(): Not really clear how to handle this case where tmpClassDeclaration->get_definingDeclaration() == NULL! \n");
}
}
#endif
}
}
SgFunctionDeclaration* functionDeclaration = isSgFunctionDeclaration(node);
if (functionDeclaration != NULL)
{
#if ALIAS_SYMBOL_DEBUGGING
printf ("Found a the SgFunctionDeclaration \n");
#endif
// SgScopeStatement* functionScope = functionDeclaration->get_scope();
SgScopeStatement* currentScope = isSgScopeStatement(functionDeclaration->get_parent());
SgClassDefinition* classDefinition = isSgClassDefinition(currentScope);
if (classDefinition != NULL)
{
// This is a function declared in a class definition, test of friend (forget why it is important to test for isOperator().
if (functionDeclaration->get_declarationModifier().isFriend() == true || functionDeclaration->get_specialFunctionModifier().isOperator() == true)
{
// printf ("Process all friend function with a SgAliasSymbol to where they are declared in another scope (usually global scope) \n");
#if 0
SgName name = functionDeclaration->get_name();
SgSymbol* symbol = functionDeclaration->search_for_symbol_from_symbol_table();
ROSE_ASSERT ( symbol != NULL );
SgAliasSymbol* aliasSymbol = new SgAliasSymbol (symbol);
// Use the current name and the alias to the symbol
currentScope->insert_symbol(name,aliasSymbol);
#endif
#if 0
printf ("Error: friend functions not processed yet! \n");
ROSE_ASSERT(false);
#endif
}
}
}
#if ALIAS_SYMBOL_DEBUGGING
printf ("Leaving FixupAstSymbolTablesToSupportAliasedSymbols::visit() (preorder AST traversal) node = %p = %s \n",node,node->class_name().c_str());
#endif
}
