trick/trick_source/codegen/Interface_Code_Gen/ClassValues.cpp
Alex Lin a2452aacd0 ICG creates offsetof statements that will not compile when using clang #327
When copying inherited variables to a child class in ICG, the inherited flags
were not being set on the mac.
2016-10-21 13:13:43 -05:00

324 lines
11 KiB
C++

#include <iostream>
#include <sstream>
#include "ClassValues.hh"
#include "FieldDescription.hh"
#ifdef __APPLE__
#include "llvm/Support/CommandLine.h"
extern llvm::cl::opt< bool > global_compat15 ;
#endif
ClassValues::ClassValues() :
has_init_attr_friend(false) ,
is_pod(false) ,
is_abstract(false) ,
has_default_constructor(false) ,
has_public_destructor(false),
compat15(false)
{}
ClassValues::~ClassValues() {
std::vector<FieldDescription *>::iterator fdit ;
for ( fdit = field_descripts.begin() ; fdit != field_descripts.end() ; fdit++ ) {
delete (*fdit) ;
}
}
void ClassValues::addFieldDescription(FieldDescription * in_fdes) {
field_descripts.push_back(in_fdes) ;
#ifdef __APPLE__
if ( !global_compat15 and !compat15 ) {
#else
{
#endif
// Test to see if the new field overloads a field of the same name. If it does
// then fully qualify the name of the inherited field (the one already in field_name_to_info).
std::map< std::string , FieldDescription * >::iterator mit = field_name_to_info_map.find(in_fdes->getName()) ;
if ( mit != field_name_to_info_map.end() ) {
// If the matched variable is inherited, qualify it with its container class name.
if ( (*mit).second->isInherited() ) {
(*mit).second->setName( (*mit).second->getContainerClass() + "::" + (*mit).second->getName() ) ;
field_name_to_info_map[(*mit).second->getName()] = (*mit).second ;
field_name_to_info_map.erase(mit) ;
}
}
}
field_name_to_info_map[in_fdes->getName()] = in_fdes ;
}
void ClassValues::addInheritedFieldDescriptions(std::vector<FieldDescription *> in_fdes,
unsigned int class_offset, bool virtual_inherited ) {
// Make a copy of all of the FieldDescription variables.
field_descripts.insert(field_descripts.end(), in_fdes.begin() , in_fdes.end()) ;
std::vector<FieldDescription *>::iterator fdit ;
// Loop through the incoming inherited variable names
for ( fdit = in_fdes.begin() ; fdit != in_fdes.end() ; fdit++ ) {
(*fdit)->setBaseClassOffset( class_offset ) ;
(*fdit)->setInherited( true ) ;
(*fdit)->setVirtualInherited( virtual_inherited ) ;
// Adds the class offset to the field offset giving the total offset to the inherited variable
// The offset is stored in bits so multiply class_offset by 8.
(*fdit)->addOffset( class_offset * 8 ) ;
}
#ifdef __APPLE__
if ( !global_compat15 and !compat15 ) {
#else
{
#endif
for ( fdit = in_fdes.begin() ; fdit != in_fdes.end() ; fdit++ ) {
std::string in_name = (*fdit)->getName() ;
// search existing names for incoming inherited variable name.
std::map< std::string , FieldDescription * >::iterator mit = field_name_to_info_map.find(in_name) ;
// if the variable name already exists we have overloaded variable names.
if ( mit != field_name_to_info_map.end() ) {
// the incoming variable is known to be inherited. Qualify it with its container class name.
(*fdit)->setName( (*fdit)->getContainerClass() + "::" + (*fdit)->getName() ) ;
field_name_to_info_map[(*fdit)->getName()] = *fdit ;
// If the matched variable is also inherited, qualify it with its container class name.
if ( (*mit).second->isInherited() ) {
(*mit).second->setName( (*mit).second->getContainerClass() + "::" + (*mit).second->getName() ) ;
field_name_to_info_map[(*mit).second->getName()] = (*mit).second ;
field_name_to_info_map.erase(mit) ;
// Mark this name is one that we always have to qualify.
field_names_to_qualify.insert(in_name) ;
}
} else {
// incoming name did not match an existing variable name.
// Test to see if there variables of this name need to be qualified.
if ( field_names_to_qualify.find(in_name) == field_names_to_qualify.end() ) {
// The name is not overloaded (yet), add the unqualified inherited name straight into map.
field_name_to_info_map[in_name] = *fdit ;
// Upgrade the inherited variable's container class to the current class.
//(*fdit)->setContainerClass( name ) ;
} else {
// The name is overloaded by other inherited variables... qualify the name.
(*fdit)->setName( (*fdit)->getContainerClass() + "::" + (*fdit)->getName() ) ;
field_name_to_info_map[(*fdit)->getName()] = *fdit ;
}
}
}
}
}
void ClassValues::saveInheritAncestry( ClassValues * in_cv ) {
std::map< std::string , unsigned int >::iterator mit ;
for ( mit = in_cv->all_inherited_class_names_map.begin() ; mit != in_cv->all_inherited_class_names_map.end() ; mit++ ) {
all_inherited_class_names_map[(*mit).first] += (*mit).second ;
}
all_inherited_class_names_map[in_cv->getName()]++ ;
}
void ClassValues::setContainerClassForFields() {
std::vector<FieldDescription *>::iterator fdit ;
// Loop through all fields
for ( fdit = field_descripts.begin() ; fdit != field_descripts.end() ; fdit++ ) {
// Prepend the field container class with the current class name.
(*fdit)->setContainerClass( name + "::" + (*fdit)->getContainerClass() ) ;
}
}
void ClassValues::clearAmbiguousVariables() {
std::map< std::string , unsigned int >::iterator mit ;
std::vector<FieldDescription *>::iterator fdit ;
for ( mit = all_inherited_class_names_map.begin() ; mit != all_inherited_class_names_map.end() ; mit++ ) {
// If a class in inherited more than once we have a diamond. We'll need to modify variables that were
// inherited from that class.
if ( (*mit).second > 1 ) {
std::string str = (*mit).first + "::" ;
// Loop through all fields testing for the diamond inherited class in the name.
for ( fdit = field_descripts.begin() ; fdit != field_descripts.end() ; fdit++ ) {
std::string fdit_name = (*fdit)->getName() ;
size_t f = fdit_name.find(str) ;
// If the variable contains the diamond class string, remove the diamond class qualification.
if ( f != std::string::npos ) {
fdit_name.replace(f , str.length() , "") ;
(*fdit)->setName(fdit_name) ;
}
}
}
}
// Removing diamond class qualifications possibly leaves fields with duplicate names.
// We want to remove the duplicated names.
std::set< std::string > field_names ;
fdit = field_descripts.begin() ;
while ( fdit != field_descripts.end() ) {
// test if the current field is in the list of field names processed.
if ( field_names.find( (*fdit)->getName() ) == field_names.end() ) {
// This name is new.
// Add the field to the test set
field_names.insert( (*fdit)->getName() ) ;
fdit++ ;
} else {
// This name was already present
// Free the field's memory.
delete (*fdit) ;
// Erase the field from the list. Move iterator to next field.
fdit = field_descripts.erase(fdit) ;
}
}
}
std::vector<FieldDescription *> ClassValues::getFieldDescription() {
return field_descripts ;
}
void ClassValues::clearFieldDescription() {
field_descripts.clear() ;
}
void ClassValues::addInheritedClass(std::string class_name) {
inherited_classes.push_back(class_name) ;
}
void ClassValues::clearInheritedClass() {
inherited_classes.clear() ;
}
void ClassValues::setHasInitAttrFriend(bool in_val) {
has_init_attr_friend = in_val ;
}
bool ClassValues::getHasInitAttrFriend() {
return has_init_attr_friend ;
}
void ClassValues::setPOD(bool in_val) {
is_pod = in_val ;
}
bool ClassValues::isPOD() {
return is_pod ;
}
void ClassValues::setSize(unsigned int in_size) {
size = in_size ;
}
unsigned int ClassValues::getSize() {
return size ;
}
void ClassValues::setAbstract(bool in_val) {
is_abstract = in_val ;
}
bool ClassValues::isAbstract() {
return is_abstract ;
}
void ClassValues::setHasDefaultConstructor(bool in_val) {
has_default_constructor = in_val ;
}
bool ClassValues::getHasDefaultConstructor() {
return has_default_constructor ;
}
void ClassValues::setHasPublicDestructor(bool in_val) {
has_public_destructor = in_val ;
}
bool ClassValues::getHasPublicDestructor() {
return has_public_destructor ;
}
std::string ClassValues::getFullyQualifiedTypeName() {
std::ostringstream oss ;
NamespaceIterator ni ;
for ( ni = namespace_begin() ; ni != namespace_end() ; ni++ ) {
oss << (*ni) << "::" ;
}
for ( ni = container_class_begin() ; ni != container_class_end() ; ni++ ) {
oss << (*ni) << "::" ;
}
oss << name ;
return oss.str() ;
}
void ClassValues::setMangledTypeName( std::string in_val ) {
mangled_type_name = in_val ;
}
std::string ClassValues::getMangledTypeName() {
if ( mangled_type_name.empty() ) {
return name ;
}
return mangled_type_name ;
}
std::string ClassValues::getFullyQualifiedMangledTypeName() {
std::ostringstream oss ;
NamespaceIterator ni ;
for ( ni = namespace_begin() ; ni != namespace_end() ; ni++ ) {
oss << (*ni) << "::" ;
}
for ( ni = container_class_begin() ; ni != container_class_end() ; ni++ ) {
oss << (*ni) << "::" ;
}
oss << getMangledTypeName() ;
return oss.str() ;
}
void ClassValues::setCompat15(bool in_val) {
compat15 = in_val ;
}
bool ClassValues::isCompat15() {
return compat15 ;
}
void ClassValues::print_namespaces(std::ostream & os, const char * delimiter) {
unsigned int ii ;
for ( ii = 0 ; ii < namespaces.size() ; ii++ ) {
os << namespaces[ii] << delimiter ;
}
}
std::ostream & operator << (std::ostream & os , ClassValues & cv ) {
os << " name = " << cv.name << std::endl ;
os << " mangled_name = " << cv.mangled_type_name << std::endl ;
os << " file_name = " << cv.file_name << std::endl ;
os << " namespaces =" ;
ConstructValues::NamespaceIterator it ;
for ( it = cv.namespace_begin() ; it != cv.namespace_end() ; it++ ) {
os << " " << *it ;
}
os << std::endl ;
os << " parent classes =" ;
for ( it = cv.container_class_begin() ; it != cv.container_class_end() ; it++ ) {
os << " " << *it ;
}
os << std::endl ;
os << " has_init_attr_friend = " << cv.has_init_attr_friend << std::endl ;
os << " is_pod = " << cv.is_pod << std::endl ;
os << " is_abstract = " << cv.is_abstract << std::endl ;
os << " has_default_constructor = " << cv.has_default_constructor << std::endl ;
os << " has_public_destructor = " << cv.has_public_destructor << std::endl ;
ClassValues::FieldIterator fit ;
for ( fit = cv.field_begin() ; fit != cv.field_end() ; fit++ ) {
os << **fit << std::endl ;
}
return os ;
}