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Add hacky stub version of CheckedBinaryOp.

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This commit is contained in:
Scott Olson 2016-06-11 13:10:42 -06:00
parent 71188ea2df
commit 1c58b7c2ed
1 changed files with 18 additions and 1 deletions
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19
src/interpreter/mod.rs
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@ -861,7 +861,24 @@ impl<'a, 'tcx> EvalContext<'a, 'tcx> {
self.memory.write_primval(dest, val)?;
}
CheckedBinaryOp(..) => unimplemented!(),
// FIXME(solson): Factor this out with BinaryOp.
CheckedBinaryOp(bin_op, ref left, ref right) => {
let left_ptr = self.eval_operand(left)?;
let left_ty = self.operand_ty(left);
let left_val = self.read_primval(left_ptr, left_ty)?;
let right_ptr = self.eval_operand(right)?;
let right_ty = self.operand_ty(right);
let right_val = self.read_primval(right_ptr, right_ty)?;
let val = primval::binary_op(bin_op, left_val, right_val)?;
self.memory.write_primval(dest, val)?;
// FIXME(solson): Find the result type size properly. Perhaps refactor out
// Projection calculations so we can do the equivalent of `dest.1` here.
let s = self.type_size(left_ty, self.substs());
self.memory.write_bool(dest.offset(s as isize), false)?;
}
UnaryOp(un_op, ref operand) => {
let ptr = self.eval_operand(operand)?;