Symbol* SymScope::lookup( const char * name )
{
//first check the current table;
ScopeTableType::const_iterator i;
i = m_scopetable.find( (char*) name );
if ( i != m_scopetable.end() ) {
return i->second;
}
return NULL;
}
Symbol* SymScope::lookup( const char * name )
{
//first check the current table;
ScopeTableType::const_iterator i;
i = m_scopetable.find( name );
if ( i != m_scopetable.end() ) {
return i->second;
}
//failing that, check all the parents;
if ( m_parent != NULL ) {
return m_parent->lookup( name );
} else {
//if this has no parents, then it cannot be found
return NULL;
}
}
bool SymScope::is_dup_string(const char* name)
{
ScopeTableType::iterator si;
si = m_scopetable.find( name );
if ( si != m_scopetable.end() ) {
//check if the pointers match
if ( si->first == name ) return false;
}
list<SymScope*>::iterator li;
for( li=m_child.begin(); li!=m_child.end(); ++li )
{
bool r = (*li)->is_dup_string(name);
if ( r==false ) return false;
}
//if it gets this far, there is no duplicate
return true;
}