-DCM_ALL_FORTRAN_ERROR_ABORT to directly abort on any errors (#25)

CMakeLists.txt

@@ -5,6 +5,8 @@ option(CM_ALL_VORONOI "Voronoi-based loadbalancing scheme (requires Voro++)" OFF
 option(CM_ALL_FORTRAN "VTK output routine" OFF)
 option(CM_ALL_DEBUG "Enable debug information" OFF)
 option(CM_ALL_USE_F08 "Use some Fortran 2008 features (mpi_f08)" OFF)
+option(CM_ALL_FORTRAN_ERROR_ABORT "Abort on any error when using the
+Fortran interface" OFF)
 option(CM_ALL_TESTS "Enables test suite" OFF)
 option(CM_ALL_AUTO_DOC "Enables creation of auto-documentation")
 
@@ -65,6 +67,10 @@ if (CM_ALL_DEBUG)
     add_compile_options("-DALL_DEBUG_ENABLED")
 endif(CM_ALL_DEBUG)
 
+if(CM_ALL_FORTRAN_ERROR_ABORT)
+    add_compile_options("-DALL_FORTRAN_ERROR_ABORT")
+endif()
+
 if(CM_ALL_USE_F08 AND MPI_Fortran_HAVE_F08_MODULE)
     add_compile_options("-DALL_USE_F08")
 elseif(CM_ALL_USE_F08 AND NOT MPI_Fortran_HAVE_F08_MODULE)

README_new.md

@@ -96,6 +96,10 @@ Optional requirements:
      - `-DCM_ALL_USE_F08=ON` (default: `OFF`): Enable usage of `mpi_f08`
        module for MPI. Requires Fortran 2008 capable compiler and
        compatible MPI installation.
+     - `-DCM_ALL_FORTRAN_ERROR_ABORT=ON` (default: `OFF): Abort
+       execution on any error when using the Fortran interface instead
+       of setting the error number and leaving error handling to the
+       user.
      - `-DCM_ALL_VORONOI=ON` (default: `OFF`): Enable Voronoi mesh
        method and subsequently compilation and linkage of Voro++.
      - `-DCM_ALL_TESTING=ON` (default: `OFF`): Turns on unit and feature

src/ALL_fortran.cpp

@@ -41,11 +41,16 @@ static const char* ALL_errdesc;
 
 typedef ALL::ALL<double, double> ALL_t;
 
+#ifdef ALL_FORTRAN_ERROR_ABORT
+#define ALL_try
+#define ALL_catch
+#else
 #define ALL_try try {
 #define ALL_catch } catch (ALL::CustomException &e) {  \
   ALL_errno = e.get_error_id();                   \
   ALL_errdesc = e.what();                         \
 }
+#endif
 
 /*
 This interface is unstable and subject to change! It is only used for the