#include <inttypes.h>
#include "init.h"
#include "debug.h"
#include "object.h"
#include "globals.h"
#include "arifmetic.h"
#include "parser/parser.h"
#include "parser/grammatical.h"
#include "parser/lexical.h"

int ParseConfigFile(char* config)
{
 yyscan_t scanner;
 struct lexical_extra extra;
 FILE* conffd;
 int ret;

 conffd=fopen(config,"r");
 if(conffd==0)
 {
  COUT(ERROR)<<"Can't open file "<<config<<std::endl;
  return 1;
 }
 extra.filename=config;
 extra.inclevel=0;
 extra.maxinclevel=10;
 extra.curline=1;
 extra.curpos=extra.curoffset=0;
 conflex_init_extra(&extra,&scanner);
 confset_in(conffd,scanner);
// {YYSTYPE qqq; while(conflex(&qqq,scanner)>0);}
 ret=confparse(scanner);
 conflex_destroy(scanner);
 fclose(conffd);
 return ret;
}


int RegisterArifmeticFunctions()
{
 RegisterFunction("ADD",Arifm_Add);
 RegisterFunction("SUB",Arifm_Sub);
 RegisterFunction("MUL",Arifm_Mul);
 RegisterFunction("DIV",Arifm_Div);
 RegisterFunction("POW",Arifm_Pow);
 RegisterFunction("POS",Arifm_Pos);
 RegisterFunction("NEG",Arifm_Neg);

 RegisterFunction("GET",Get<ObjectList>);
 RegisterFunction("GET",Get<ObjectPair>);
 return 0;
}


int BuildDepTree(DepTree* deptree,std::set<std::string>& used)
{
 return deptree->CreateGlobalTree(used);
}


int CheckFunctions()
{
 std::set<std::string> funcs;

 for(auto& i:G_tosave)
 {
  i->UsedFuncs(funcs);
  for(auto& f:funcs) if(G_funcs.find(f)==G_funcs.end())
  {
   COUT(ERROR)<<"Unknown function "<<f<<" in directive save"<<i->Dump()<<std::endl;
   return 1;
  }
  funcs.clear();
 }

 for(auto& i:G_toprint)
 {
  i->UsedFuncs(funcs);
  for(auto& f:funcs) if(G_funcs.find(f)==G_funcs.end())
  {
   COUT(ERROR)<<"Unknown function "<<f<<" in directive print"<<i->Dump()<<std::endl;
   return 1;
  }
  funcs.clear();
 }

 for(auto& i:G_vars)
 {
  i.second->UsedFuncs(funcs);
  for(auto& f:funcs) if(G_funcs.find(f)==G_funcs.end())
  {
   COUT(ERROR)<<"Unknown function "<<f<<" in definition of variable "<<i.first<<std::endl;
   return 1;
  }
  funcs.clear();
 }

 return 0;
}


void DumpConfig()
{
 for(auto& i: G_vars) COUT(INFO)<<i.first<<"="+i.second->Dump()<<";"<<std::endl;
 for(auto& i: G_tosave) COUT(INFO)<<"save"<<i->Dump()<<";"<<std::endl;
 for(auto& i: G_toprint) COUT(INFO)<<"print"<<i->Dump()<<";"<<std::endl;
}