how to use try-catch in native code

[marin....@gmail.com]

Hi,

I want to use try-catch for testing purposes but when I try to build, I get "cannot use 'try' with exceptions disabled" message.

I tried a few things, but nothing helped.

Does anyone know how I can enable exceptions?

Thanks,

Marin

[Kiran Thind]

This is hard to answer without knowing which language and platform. A few minutes on stack overflow will answer your question. For C++, in Visual Studio:

• /EHsc or any other /EH combination
• /GR enables RTTI

Using GCC/Clang, use the -fexceptions compile flag (making sure -fno-exceptions isn’t set as well):

In CMake:

set(CMAKE_CXX_FLAGS  "${CMAKE_CXX_FLAGS} -Wall -Werror -fexceptions -frtti")

On Apr 25, 2021, at 1:24 PM, marin....@gmail.com <marin....@gmail.com> wrote:

Hi,

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[Byoungchan Lee]

You can change the compilation flags by modifying the GN file.

See https://source.chromium.org/search?q=%22-fno-exceptions%22%20lang:gn%20f:build

However, Google's C++ code is written without C++ exceptions and I think it will not work properly if you enable exceptions.

[marin....@gmail.com]

Thanks for comments. I managed to test my code without using exceptions.