Eliminate C++ exceptions from graphical system implementation - gsl-shell.git - gsl-shell

Eliminate C++ exceptions from graphical system implementation

The rationale is that everything is simpler without C++ exceptions. No exceptions are raised in the C++ code and errors are handler in the tradition C fashion. lua_error is not directly called from C++ functions that may allocate a non POD object on the stack. If the C++ "new" operator raise an exception the program will abort. The idea is that handle such an improbable occurrence greatly complicates the code. Where big chunks of memory are allocated the nothrow variant of "new" is used, the returned pointer is verified and an error is raised if the allocation failed. In the Windows code the bitmap allocation for image may raise an unhandled exception in there is not enough memory. The memory allocation is done inside the AGG library so it difficult to change its behavior.

Diffstat (limited to 'agg-plot/lua-plot.cpp')

1 files changed, 12 insertions, 16 deletions