Generate tests that use all definitions provided by the headers about opencl-headers HOT 1 OPEN

Do you have a feel for what this would look like?

I think we could use each of the enums fairly easily:

void use_all_enums() {
    (void)CL_ENUM_XXX;
    (void)CL_ENUM_YYY;
}

Would we want to declare variables of each of the types?

void use_all_types() {
    cl_type_xxx v0;
    cl_type_yyy v1;
}

Would we want to call of of the APIs?

Gut feeling is that this shouldn't be too bad. I'm already generating tests that call all of the extension APIs for the extension loader I've been working on.

This:
https://github.com/bashbaug/opencl-extension-loader/blob/main/scripts/call_all.c.mako

generates:
https://github.com/bashbaug/opencl-extension-loader/blob/main/tests/call_all.c

from opencl-headers.