diff options
Diffstat (limited to 'bytecode/src/stack.rs')
| -rw-r--r-- | bytecode/src/stack.rs | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/bytecode/src/stack.rs b/bytecode/src/stack.rs deleted file mode 100644 index 66d3f7c..0000000 --- a/bytecode/src/stack.rs +++ /dev/null @@ -1,33 +0,0 @@ -struct Stack { - v: Vec<u64>, -} - -impl Stack { - fn pop(&mut self) -> Result<u64, String> { - self.v.pop().ok_or(String::from("stack underflow")) - } - - fn pop_int(&mut self) -> Result<i64, String> { - Ok(self.pop()? as i64 >> 1) - } - - fn push_int(&mut self, i: i64) { - self.v.push((i as u64) << 1 | 1); - } - - fn pop_pointer(&mut self) -> Result<Pointer, String> { - Ok(Pointer::from_bytes(self.pop()?)) - } - - fn push_pointer(&mut self, p: Pointer) { - self.v.push(p.bytes()); - } - - fn pop_usize(&mut self) -> Result<usize, String> { - Ok(usize::try_from(self.pop()?).unwrap() >> 1) - } - - fn push_usize(&mut self, p: usize) { - self.v.push(u64::try_from(p).unwrap() << 1 | 1); - } -} |
