C++ (Cpp) iffalse Examples

Example #1

File: IR.cpp Project: asmwarrior/cplusplus

void Function::dump(std::ostream& out) {
  auto it = begin();
  while (it != end()) {
    auto block = *it++;
    auto nextBlock = it != end() ? *it : nullptr;
    out << ".L" << block->index << ":";
    for (auto s: *block) {
      if (s->asTerminator())
        break;
      out << '\t';
      s->dump(out);
    }
    auto t = block->terminator();
    assert(t);
    auto j = t->asJump();
    auto cj = t->asCJump();
    if (j && j->target() == nextBlock) {
      // nothing to do
      out << std::endl;
    } else if (cj && cj->iffalse() == nextBlock) {
      out << "\tif (";
      cj->expr()->dump(out);
      out << ") goto .L" << cj->iftrue()->index << ';' << std::endl;
    } else if (cj && cj->iftrue() == nextBlock) {
      out << "\tiffalse (";
      cj->expr()->dump(out);
      out << ") goto .L" << cj->iffalse()->index << ';' << std::endl;
    } else {
      out << '\t';
      t->dump(out);
    }
  }
}

Example #2

File: if.c Project: AmitShah/opensplice

void do_if (int sharp)
{
   char c;
   char d;

#ifdef DEBUG_IF

   if (debugging)
   {
      outputc('<');
      outputc(sharp ? '#' : '@');
      outputs("if: ");
      // fflush(outfile);
   }
#endif
   if (in_false_if())
   {
      n_skipped_ifs ++;
#ifdef DEBUG_IF

      if (debugging)
      {
         outputs("in-false, skipped>");
         // fflush(outfile);
      }
#endif
      if (sharp)
      {
         d = '\0';
         do
         {
            c = d;
            d = Get();
         }
         while ((c == '\\') || (d != '\n'));
      }
      return ;
   }
   if (! sharp)
   {
      c = getnonspace();
      if (c != '(')
      {
         err_head();
         fprintf(stderr, "@if must have ()s\n");
         Push(c);
         iffalse();
#ifdef DEBUG_IF

         if (debugging)
         {
            outputc('>');
            // fflush(outfile);
         }
#endif
         return ;
      }
   }
   if (eval_expr(sharp, 0))
   {
      iftrue();
   }
   else
   {
      iffalse();
   }
#ifdef DEBUG_IF
   if (debugging)
   {
      outputc('>');
      // fflush(outfile);
   }
#endif
}

Example #3

File: if.c Project: AmitShah/opensplice

void do_ifndef (int sharp)
{
   char *w;

#ifdef DEBUG_IF

   if (debugging)
   {
      outputc('<');
      outputc(sharp ? '#' : '@');
      outputs("ifndef: ");
      // fflush(outfile);
   }
#endif
   if (in_false_if())
   {
      n_skipped_ifs ++;
#ifdef DEBUG_IF

      if (debugging)
      {
         outputs("in-false, skipped>");
         // fflush(outfile);
      }
#endif

   }
   else
   {
      w = read_ident();
      if (! w)
      {
#ifdef DEBUG_IF
         if (debugging)
         {
            outputs("no ident ");
            // fflush(outfile);
         }
#endif
         iftrue();
      }
      else
      {
#ifdef DEBUG_IF
         if (debugging)
         {
            outputs(w);
            outputc(' ');
            // fflush(outfile);
         }
#endif
         if (find_def(w))
         {
            iffalse();
         }
         else
         {
            iftrue();
         }
         os_free(w);
      }
#ifdef DEBUG_IF
      if (debugging)
      {
         outputc('>');
         // fflush(outfile);
      }
#endif

   }
   if (sharp)
   {
      flush_sharp_line();
   }
}

Example #4

File: IR.cpp Project: asmwarrior/cplusplus

void CJump::dump(std::ostream& out) const {
  out << "if (";
  expr()->dump(out);
  out << ") goto .L" << iftrue()->index << "; else goto .L" << iffalse()->index << ';' << std::endl;
}