symtab.cpp

#include <map>
#include <string>

#include "symtab.h"

static 
std::map<std::string, myType> symbolTable; 

// returns the type of the identifier
// returns UNKOWN when the identifier is not in the symbol table
myType getSymbol (const char *name)
{
   std::string theName = name;
   std::map<std::string, myType>::iterator it;

   it = symbolTable.find (theName);
   if (it == symbolTable.end())
       return UNKNOWN;
   return it->second;	   
}

// return value: 0 if  name already exists in symboltable
//            otherwise returns 1 
int putSymbol (const char *name, myType type)
{
   std::string theName = name;
   if (symbolTable.count (name))
       return 0;
   symbolTable [theName] = type;
   return 1;
}