std.easygen.cpp: easygen.cpp

#define __my__release
#pragma comment(lib,"parser.lib")
//TODO:
//   arithmetic overflow check
//   exception handling
//   speedUp, FE, expressions cache

#include "easygen.h"
#include "conio.h"

using namespace std;

const int maxStringLen = 10240;
const char* randseedParamName = "randseed";
const char defaultSpaceChar = ' ';
const char* formalInputFName = "formal.input";

bool wasSpaceChar;

void genError::processParseError() 
{
   if (wasError()) {
      parseError* tmp = getLastError();
      ostringstream ss;
      ss << string(errorMessageByCode(tmp->code)) 
         << ". Line: " << tmp->line << ", pos: " << tmp->pos;
      throw genError(ss.str());
   }
}

char* testInfo::loadFormatFile(const string& fileName)
{
   ifstream f(fileName.c_str());
   char tmp[maxStringLen];
   string res;
   while (1) {
      f.getline(tmp, maxStringLen);
      size_t len = strlen(tmp);
      tmp[len+1] = 0; tmp[len] = '\n';
      if (!f) break;
      res += tmp;
   }
   char* res1 = (char*)malloc(res.length() + 1);
   strcpy(res1, res.c_str());
   return res1;
}

testInfo::testInfo(int argc, char* argv[])
{
   string s;
   size_t i,j,k;
   for (i = 1; i < (size_t)argc; i++) {
      if (i > 1) s += " ";
      s += argv[i];
   }
   i = 0; k = s.length();
   while (i < k) {
      while (i < k && isspace(s[i])) ++i;
      if (i >= k) break;
      j = i;
      while (i < k && s[i] != '=' && !isspace(s[i])) ++i;
      if (i >= k) throw genError("illegal command line arguments");
      string val, name = s.substr(j, i-j);
      while (i < k && isspace(s[i]) && s[i] != '=') ++i;
      if (i >= k || s[i] != '=') throw genError("illegal command line arguments");
      ++i;
      while (i < k && isspace(s[i])) ++i;
      if (i >= k) throw genError("illegal command line arguments");
      j = i;
      if (s[i] == '\'') {
         ++i; bool screen = false, ok = false;
         val = "";
         while (i < k) {
            if (screen) {
               if (s[i] == '\\' || s[i] == '\'') val += s[i];
               else throw genError("illegal char after \\ in command line");
            } else {
               if (s[i] == '\\') screen = true;
               else if (s[i] == '\'') {ok = true; i++; break;}
               else val += s[i];
            }
            i++;
         }
         if (!ok) throw genError("illegal string value in conmand line");
      } else {
         while (i < k && !isspace(s[i])) ++i;
         val = s.substr(j, i-j);
      }
      if (params.find(name) != params.end()) 
         throw genError("double param defenition in command line");
      params[name] = val;
   }
   
   buf = loadFormatFile(formalInputFName);
   initialize(buf);
   objRecord* tmp = parseObjRecord();
   genError::processParseError();
   desc.a.pointerToData = 0; desc.a.recPart = tmp;   
   desc.a = mallocRecord(desc.a, 1);
   wasSpaceChar = true;
   paramsToVars();
}

testInfo::~testInfo()
{
   print();
   destroyRecData(desc.a);
   objRecordDestructor(desc.a.recPart);
   finalize();
   free(buf);
}

INT64 testInfo::getIntParam(const string& name)
{
   string tmp = params[name];
   if (tmp.length() > getMaxIntLen()) throw genError("too long integer in command line");
   istringstream ss(tmp); INT64 res;
   ss >> res;
   if (ss.fail()) throw genError("trying to get int param from non-int param");
   return res;
}

real testInfo::getFloatParam(const string& name)
{
   string tmp = params[name];
   istringstream ss(tmp); real res;
   ss >> res;
   if (ss.fail()) throw genError("trying to get float param from non-float param");
   return res;
}

void testInfo::paramsToVars()
{
   for (map::iterator i = params.begin(); i != params.end(); ++i) {
      if (i->first == randseedParamName) setRandSeed(getIntParam(i->first));
      else {
         objWithData tmp = findObject(i->first.c_str(), desc.a, 0);
         if (tmp.objPart) {
            switch (tmp.objPart->objKind) {
               case oInteger: 
                  desc.operator [](i->first) = getIntParam(i->first);
                  break;
               case oFloat: 
                  desc.operator [](i->first) = getFloatParam(i->first);
                  break;
               case oString:
                  desc.operator [](i->first) = i->second;
                  break;
            }
            genError::processParseError();
         }
      }
   }
   genError::processParseError();
}

prxObject testInfo::operator [](const string& name)
{
   return desc.operator [] (name);
}

void testInfo::print()
{
   desc.print();
}

void testInfo::autoGen()
{
   desc.autoGen();
}

prxObject prxRecord::operator [](const string& name)
{
   objWithData tmp = byName(a, name.c_str());
   genError::processParseError();
   if (tmp.objPart) return prxObject(tmp);
   else throw genError("object with name '" + name + "' not found");
}

void prxRecord::print()
{
   if ((!a.pointerToData || !a.pointerToData->data) && a.recPart->n) 
      throw genError("uninitialized data while printing");
   for (int i = 0; i < a.recPart->n; i++) {
      objWithData st; 
      st.objPart = &(a.recPart->seq[i]); 
      st.pointerToData = &(a.pointerToData->data[i]);
      prxObject tmp(st);
      tmp.print();
   }      
}

void prxRecord::autoGen()
{
   autoGenRecord(a);
}

prxRecord prxObject::operator [] (int index)
{
   recWithData tmp = byIndex(a, index);
   genError::processParseError();
   return prxRecord(tmp);
}

INT64 prxObject::operator = (const INT64& value)
{
   if (a.objPart->objKind != oInteger) 
      throw genError("trying to assign integer to non-int object");
   setIntValue(a, value);
   genError::processParseError();
   return value;
}

int prxObject::operator = (const int& value)
{
   return *this = (INT64)value;
}

real prxObject::operator = (const real& value)
{
   if (a.objPart->objKind != oFloat) 
      throw genError("trying to assign float to non-float object");
   setFloatValue(a, value);
   genError::processParseError();
   return value;
}

string prxObject::operator = (const string& value)
{
   if (a.objPart->objKind != oString) 
      throw genError("trying to assign string to non-string object");
   setStrValue(a, value.c_str());
   genError::processParseError();
   return value;
}

prxObject::operator INT64()
{
   if (a.objPart->objKind != oInteger) 
      throw genError("trying to get integer from non-int object");
   INT64 res = getIntValue(a);
   genError::processParseError();   
   return res;
}

prxObject::operator int()
{
   return (int)(INT64)(*this);
}

prxObject::operator real()
{
   if (a.objPart->objKind != oFloat)
      throw genError("trying to get float from non-float object");
   real res = getFloatValue(a);
   genError::processParseError();   
   return res;
}

prxObject::operator string()
{
   if (a.objPart->objKind != oString)
      throw genError("trying to get string from non-string object");
   string res(getStrValue(a));
   genError::processParseError();   
   return res;
}

void prxObject::print()
{
   if ((!a.pointerToData || !a.pointerToData->value) && 
      a.objPart->objKind != oNewLine && a.objPart->objKind != oSoftLine)
         throw genError("uninitialized data while printing");
   int objk = a.objPart->objKind;
   switch (objk) {
      case oNewLine: case oSoftLine: 
         cout << endl; wasSpaceChar = true; 
         break;
      case oInteger: case oFloat: case oString:
         if (!wasSpaceChar) cout << defaultSpaceChar;
         if (objk == oInteger) {
            cout << getIntValue(a); 
         } else if (objk == oString) {
            cout << getStrValue(a);
         } else if (objk == oFloat) {
            cout << fixed << setprecision(getFloatDig(a)) << getFloatValue(a);
         }
         genError::processParseError();
         wasSpaceChar = 0; 
         break;
      case oSeq: 
         int n = getSeqLen(a);
         for (int i = 1; i <= n; i++) {
            prxRecord tmp(byIndex(a, i));
            genError::processParseError();
            tmp.print();
         }
         break;
   }
}

void prxObject::autoGen()
{
   switch (a.objPart->objKind) {
      case oNewLine: case oSoftLine: cout << endl; break;
      case oInteger: autoGenInt(a); break;
      case oFloat: autoGenFloat(a); break;
      case oString: autoGenStr(a); break;
      case oSeq: autoGenSeq(a); break;
   }
}


#ifndef __my__release
/*int main(int argc, char* argv[])
{
   freopen("output.txt","w",stdout);
   
   try {
      testInfo super(argc, argv);      
      super.autoGen();
   } catch (genError a) {
      cout << a.err();
   }
*/   
   /*freopen("format.txt","r",stdin);
   char s[10000]; cin.getline(s,10000);
   parseError* res = validate(s);
   cout << res->code;
   fclose(stdin);*/
      
/*   fclose(stdout);
   return 0;
} */

const int maxn = 100;

int n, t[maxn][maxn], ans[maxn];

int main(int argc, char* argv[])
{
   try {
      testInfo a(argc, argv);
      n = a["n"];
      for (int i = 1; i <= n; i++) {         
         for (int j = 1; j <= n; j++) {
            if (i == j) t[i][j] = 0;
            else {
               t[i][j] = genRandInt(0, 2);
               if (t[i][j] == 2) t[i][j] = 3;
            }
            ans[i] += t[i][j];
         }
         a["a"][i]["sc"] = ans[i];
      }
   } catch (genError a) {
      cout << a.err();
   }
   return 0;
}

#endif