src/fflib/lgmesh.cpp:306: error: NULL_DEREFERENCE
  pointer `a` last assigned on line 304 could be null and is dereferenced at line 306, column 17.
Showing all 28 steps of the trace


src/fflib/lgmesh.cpp:294:4: start of procedure SaveMesh
292.      Expression filename; 
293.      Expression xx,yy,zz;  
294.      SaveMesh(const basicAC_F0 & args) 
          ^
295.       {   
296.         xx=0;

src/fflib/lgmesh.cpp:312:32: Skipping E_F0: function or method not found
310.             yy=to<double>( (*a)[1]);
311.             if(k==3)
312.              zz=to<double>( (*a)[2]);
                                      ^
313.            }
314.         

src/fflib/lgmesh.cpp:296:7: 
294.      SaveMesh(const basicAC_F0 & args) 
295.       {   
296. >       xx=0;
297.         yy=0;
298.         zz=0;

src/fflib/lgmesh.cpp:297:7: 
295.       {   
296.         xx=0;
297. >       yy=0;
298.         zz=0;
299.         args.SetNameParam();

src/fflib/lgmesh.cpp:298:7: 
296.         xx=0;
297.         yy=0;
298. >       zz=0;
299.         args.SetNameParam();
300.         getmesh=to<pmesh>(args[0]); 

src/fflib/lgmesh.cpp:299:7: 
297.         yy=0;
298.         zz=0;
299. >       args.SetNameParam();
300.         getmesh=to<pmesh>(args[0]); 
301.         filename=to<string*>(args[1]); 

src/fflib/AFunction2.cpp:1001:1: start of procedure SetNameParam
  999.   }
  1000.   
  1001. > void basicAC_F0::SetNameParam(int n,name_and_type *l , Expression * e) const 
  1002.   {
  1003.    int k=0;

src/fflib/AFunction2.cpp:1003:2: 
  1001.   void basicAC_F0::SetNameParam(int n,name_and_type *l , Expression * e) const 
  1002.   {
  1003. >  int k=0;
  1004.    if ( !n && !named_parameter)  return;
  1005.    

src/fflib/AFunction2.cpp:1004:8: Taking true branch
  1002.   {
  1003.    int k=0;
  1004.    if ( !n && !named_parameter)  return;
                 ^
  1005.    
  1006.     for (int i=0;i<n;i++)

src/fflib/AFunction2.cpp:1004:14: Taking false branch
  1002.   {
  1003.    int k=0;
  1004.    if ( !n && !named_parameter)  return;
                       ^
  1005.    
  1006.     for (int i=0;i<n;i++)

src/fflib/AFunction2.cpp:1006:8: 
  1004.    if ( !n && !named_parameter)  return;
  1005.    
  1006. >   for (int i=0;i<n;i++)
  1007.     {
  1008.        C_F0  ce=find(l[i].name) ;

src/fflib/AFunction2.cpp:1006:16: Loop condition is false. Leaving loop
  1004.    if ( !n && !named_parameter)  return;
  1005.    
  1006.     for (int i=0;i<n;i++)
                         ^
  1007.     {
  1008.        C_F0  ce=find(l[i].name) ;

src/fflib/AFunction2.cpp:1027:7: Taking false branch
  1025.     }
  1026.     
  1027.    if (!named_parameter) return;
                ^
  1028.     
  1029.     if ((size_t) k!=  named_parameter->size()) 

src/fflib/AFunction2.cpp:1029:7: Taking true branch
  1027.    if (!named_parameter) return;
  1028.     
  1029.     if ((size_t) k!=  named_parameter->size()) 
                ^
  1030.      {
  1031.         cout << " Sorry some name parameter are not used!  found" <<  k << " == " << named_parameter->size() <<endl;

src/fflib/AFunction2.cpp:1031:7: Skipping operator<<: function or method not found
  1029.     if ((size_t) k!=  named_parameter->size()) 
  1030.      {
  1031.         cout << " Sorry some name parameter are not used!  found" <<  k << " == " << named_parameter->size() <<endl;
                ^
  1032.         for(const_iterator ii=named_parameter->begin(); ii != named_parameter->end();ii++)
  1033.          {

src/fflib/AFunction2.cpp:1032:11: Skipping _Rb_tree_const_iterator: function or method not found
  1030.      {
  1031.         cout << " Sorry some name parameter are not used!  found" <<  k << " == " << named_parameter->size() <<endl;
  1032.         for(const_iterator ii=named_parameter->begin(); ii != named_parameter->end();ii++)
                    ^
  1033.          {
  1034.           for (int i=0;i<n;i++)

src/fflib/AFunction2.cpp:1032:55: Loop condition is false. Leaving loop
  1030.      {
  1031.         cout << " Sorry some name parameter are not used!  found" <<  k << " == " << named_parameter->size() <<endl;
  1032.         for(const_iterator ii=named_parameter->begin(); ii != named_parameter->end();ii++)
                                                                ^
  1033.          {
  1034.           for (int i=0;i<n;i++)

src/fflib/AFunction2.cpp:1040:10: Taking false branch
  1038.           L1:;
  1039.          }
  1040.       if ( n && mpirank==0) {
                   ^
  1041.       cerr << " The named parameter can be " << endl;
  1042.       for (int i=0;i<n;i++)

src/fflib/AFunction2.cpp:1045:5: Skipping CompileError(): function or method not found
  1043.          cerr << "\t" << l[i].name << " =  <" << l[i].type->name() << ">\n";
  1044.       }
  1045.       CompileError("Unused named parameter");  
              ^
  1046.      }
  1047.   }

src/fflib/AFunction2.cpp:1029:3: 
  1027.    if (!named_parameter) return;
  1028.     
  1029. >   if ((size_t) k!=  named_parameter->size()) 
  1030.      {
  1031.         cout << " Sorry some name parameter are not used!  found" <<  k << " == " << named_parameter->size() <<endl;

src/fflib/AFunction2.cpp:1047:1: return from a call to basicAC_F0_SetNameParam
  1045.       CompileError("Unused named parameter");  
  1046.      }
  1047. > }
  1048.   
  1049.   

src/fflib/lgmesh.cpp:300:7: Skipping operator_E_F0_*: function or method not found
298.         zz=0;
299.         args.SetNameParam();
300.         getmesh=to<pmesh>(args[0]); 
             ^
301.         filename=to<string*>(args[1]); 
302.         if (args.size() >2) 

src/fflib/lgmesh.cpp:301:7: Skipping operator_E_F0_*: function or method not found
299.         args.SetNameParam();
300.         getmesh=to<pmesh>(args[0]); 
301.         filename=to<string*>(args[1]); 
             ^
302.         if (args.size() >2) 
303.           {

src/fflib/lgmesh.cpp:302:11: Taking true branch
300.         getmesh=to<pmesh>(args[0]); 
301.         filename=to<string*>(args[1]); 
302.         if (args.size() >2) 
                 ^
303.           {
304.             const E_Array * a = dynamic_cast<const E_Array *>(args[2].LeftValue());

src/fflib/lgmesh.cpp:304:11: Skipping LeftValue: function or method not found
302.         if (args.size() >2) 
303.           {
304.             const E_Array * a = dynamic_cast<const E_Array *>(args[2].LeftValue());
                 ^
305.             if (!a) CompileError("savemesh(Th,\"filename\",[u,v,w],...");
306.             int k=a->size() ;

src/fflib/lgmesh.cpp:305:16: Taking true branch
303.           {
304.             const E_Array * a = dynamic_cast<const E_Array *>(args[2].LeftValue());
305.             if (!a) CompileError("savemesh(Th,\"filename\",[u,v,w],...");
                      ^
306.             int k=a->size() ;
307.            // cout << k << endl;

src/fflib/lgmesh.cpp:305:19: Skipping CompileError(): function or method not found
303.           {
304.             const E_Array * a = dynamic_cast<const E_Array *>(args[2].LeftValue());
305.             if (!a) CompileError("savemesh(Th,\"filename\",[u,v,w],...");
                         ^
306.             int k=a->size() ;
307.            // cout << k << endl;

src/fflib/lgmesh.cpp:306:11: 
304.             const E_Array * a = dynamic_cast<const E_Array *>(args[2].LeftValue());
305.             if (!a) CompileError("savemesh(Th,\"filename\",[u,v,w],...");
306. >           int k=a->size() ;
307.            // cout << k << endl;
308.             if ( k!=2 && k !=3) CompileError("savemesh(Th,\"filename\",[u,v,w]) need 2 or 3  componate in array ",atype<pmesh>());