src/fflib/problem.cpp:4443: error: NULL_DEREFERENCE
  pointer `bf` last assigned on line 4442 could be null and is dereferenced at line 4443, column 45.
Showing all 14 steps of the trace


src/fflib/problem.cpp:4408:3: start of procedure Fem2D::AssembleVarForm<21871b11c7f68811>()
4406.   
4407.     template<class R,typename MC,class FESpace >
4408.     bool AssembleVarForm(Stack stack,const typename FESpace::Mesh & Th,const FESpace & Uh,const FESpace & Vh,bool sym,
          ^
4409.                          MC  * A,KN_<R> * B,const list<C_F0> &largs)
4410.     { // return true if BC 

src/fflib/problem.cpp:4413:5: 
4411.       typedef typename FESpace::Mesh Mesh ;
4412.       typedef Mesh * pmesh;
4413. >     bool ret=false; 
4414.       typedef DotStar_KN_<R> DotStar;
4415.       typedef DotSlash_KN_<R> DotSlash;

src/fflib/problem.cpp:4416:5: Skipping _List_const_iterator: function or method not found
4414.       typedef DotStar_KN_<R> DotStar;
4415.       typedef DotSlash_KN_<R> DotSlash;
4416.       list<C_F0>::const_iterator ii,ib=largs.begin(),
            ^
4417.         ie=largs.end();
4418.        using namespace FreeFempp;  

src/fflib/problem.cpp:4419:6: 
4417.         ie=largs.end();
4418.        using namespace FreeFempp;  
4419. >      TypeVarForm<R> *tvf=TypeVarForm<R>::Global;
4420.        assert( tvf);
4421.       for (ii=ib;ii != ie;ii++)

src/fflib/problem.cpp:4421:10: Skipping operator=: function or method not found
4419.        TypeVarForm<R> *tvf=TypeVarForm<R>::Global;
4420.        assert( tvf);
4421.       for (ii=ib;ii != ie;ii++)
                 ^
4422.         {
4423.           Expression e=ii->LeftValue();

src/fflib/problem.cpp:4421:16: Loop condition is true. Entering loop body
4419.        TypeVarForm<R> *tvf=TypeVarForm<R>::Global;
4420.        assert( tvf);
4421.       for (ii=ib;ii != ie;ii++)
                       ^
4422.         {
4423.           Expression e=ii->LeftValue();

src/fflib/problem.cpp:4423:9: Skipping LeftValue: function or method not found
4421.       for (ii=ib;ii != ie;ii++)
4422.         {
4423.           Expression e=ii->LeftValue();
                ^
4424.           aType r = ii->left();
4425.         //  if(A)        cout << "AssembleVarForm " <<  * r << " " <<  (*A)(0,3) << endl;

src/fflib/problem.cpp:4424:9: Skipping left: function or method not found
4422.         {
4423.           Expression e=ii->LeftValue();
4424.           aType r = ii->left();
                ^
4425.         //  if(A)        cout << "AssembleVarForm " <<  * r << " " <<  (*A)(0,3) << endl;
4426.           if (r==  tvf->tFB) 

src/fflib/problem.cpp:4426:13: Taking false branch
4424.           aType r = ii->left();
4425.         //  if(A)        cout << "AssembleVarForm " <<  * r << " " <<  (*A)(0,3) << endl;
4426.           if (r==  tvf->tFB) 
                    ^
4427.             { if (A)
4428.              { 

src/fflib/problem.cpp:4434:18: Taking false branch
4432.              }
4433.             }
4434.           else if (r==tvf->tMat)
                         ^
4435.             {
4436.               if (A)

src/fflib/problem.cpp:4439:18: Taking true branch
4437.                 InternalError(" Add sparse matrice; to do, sorry");
4438.             }
4439.           else if (r==tvf->tFL)
                         ^
4440.             {
4441.               if (B) {

src/fflib/problem.cpp:4441:17: Taking true branch
4439.           else if (r==tvf->tFL)
4440.             {
4441.               if (B) {
                        ^
4442.                 const  FormLinear * bf =dynamic_cast<const  FormLinear *>(e);
4443.                 pmesh  Thbf = GetAny<pmesh>((*bf->di->Th)(stack));            

src/fflib/problem.cpp:4442:15: 
4440.             {
4441.               if (B) {
4442. >               const  FormLinear * bf =dynamic_cast<const  FormLinear *>(e);
4443.                 pmesh  Thbf = GetAny<pmesh>((*bf->di->Th)(stack));            
4444.                 if(Thbf) AssembleLinearForm<R>( stack,*Thbf, Vh, B,bf) ;

src/fflib/problem.cpp:4443:15: 
4441.               if (B) {
4442.                 const  FormLinear * bf =dynamic_cast<const  FormLinear *>(e);
4443. >               pmesh  Thbf = GetAny<pmesh>((*bf->di->Th)(stack));            
4444.                 if(Thbf) AssembleLinearForm<R>( stack,*Thbf, Vh, B,bf) ;
4445.   	    }