bjoernager/rust
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Handle size_of_val for slice types.

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This commit is contained in:
Scott Olson 2016-05-09 21:01:12 -06:00
parent 6d9a748858
commit b9c37124be
4 changed files with 26 additions and 10 deletions
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12
src/interpreter.rs
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@ -580,7 +580,17 @@ impl<'a, 'b, 'mir, 'tcx> FnEvalContext<'a, 'b, 'mir, 'tcx> {
let size = self.type_size(ty) as u64;
self.memory.write_uint(dest, size, dest_size)?;
} else {
panic!("unimplemented: size_of_val::<{:?}>", ty);
match ty.sty {
ty::TySlice(_) | ty::TyStr => {
let elem_ty = ty.sequence_element_type(self.tcx);
let elem_size = self.type_size(elem_ty) as u64;
let ptr_size = self.memory.pointer_size as isize;
let n = self.memory.read_usize(args[0].offset(ptr_size))?;
self.memory.write_uint(dest, n * elem_size, dest_size)?;
}
_ => panic!("unimplemented: size_of_val::<{:?}>", ty),
}
}
}