/* Allocates memory */
void factor_vm::general_error(vm_error_type error, cell arg1_, cell arg2_) {
data_root<object> arg1(arg1_, this);
data_root<object> arg2(arg2_, this);
faulting_p = true;
/* If we had an underflow or overflow, data or retain stack
pointers might be out of bounds, so fix them before allocating
anything */
ctx->fix_stacks();
/* If error was thrown during heap scan, we re-enable the GC */
gc_off = false;
/* If the error handler is set, we rewind any C stack frames and
pass the error to user-space. */
if (!current_gc && to_boolean(special_objects[ERROR_HANDLER_QUOT])) {
#ifdef FACTOR_DEBUG
/* Doing a GC here triggers all kinds of funny errors */
primitive_compact_gc();
#endif
/* Now its safe to allocate and GC */
cell error_object =
allot_array_4(tag_fixnum(KERNEL_ERROR), tag_fixnum(error),
arg1.value(), arg2.value());
ctx->push(error_object);
/* Clear the data roots since arg1 and arg2's destructors won't be
called. */
data_roots.clear();
/* The unwind-native-frames subprimitive will clear faulting_p
if it was successfully reached. */
unwind_native_frames(special_objects[ERROR_HANDLER_QUOT],
ctx->callstack_top);
} /* Error was thrown in early startup before error handler is set, so just
crash. */
else {
std::cout << "You have triggered a bug in Factor. Please report.\n";
std::cout << "error: " << error << std::endl;
std::cout << "arg 1: ";
print_obj(std::cout, arg1.value());
std::cout << std::endl;
std::cout << "arg 2: ";
print_obj(std::cout, arg2.value());
std::cout << std::endl;
factorbug();
abort();
}
}
void general_error(vm_error_type error, cell arg1, cell arg2,
stack_frame *callstack_top)
{
throw_error(allot_array_4(userenv[ERROR_ENV],
tag_fixnum(error),arg1,arg2),callstack_top);
}
void general_error(F_ERRORTYPE error, CELL arg1, CELL arg2,
F_STACK_FRAME *callstack_top)
{
throw_error(allot_array_4(userenv[ERROR_ENV],
tag_fixnum(error),arg1,arg2),callstack_top);
}
void factor_vm::general_error(vm_error_type error, cell arg1, cell arg2, stack_frame *callstack_top)
{
throw_error(allot_array_4(special_objects[OBJ_ERROR],
tag_fixnum(error),arg1,arg2),callstack_top);
}
