\n//where P: Page { start: P, end: P }\n//\npub trait MemRange {\n /// Returns the number of `Page`s in this ranage\n #[inline]\n fn length(&self) -> usize;\n\n /// Remove `n` pages from the beginning of this `PageRange`\n fn drop_front(&mut self, n: usize) -> &mut Self;\n\n /// Remove `n` pages from the end of this `PageRange`\n fn drop_back(&mut self, n: usize) -> &mut Self;\n\n /// Add `n` pages at the front of this `PageRange`\n fn add_front(&mut self, n: usize) -> &mut Self;\n\n /// Add `n` pages at the back of this `PageRange`\n fn add_back(&mut self, n: usize) -> &mut Self;\n}\n //pub const fn start(&self) -> P { self.start }\n //\n ///// Returns a `PageRange` between two pages\n //pub const fn between(start: P, end: P) -> Range
{\n // Range { start: start, end: end }\n //}\n //\n // /// Returns an iterator over this `PageRange`\n // pub fn iter<'a>(&'a self) -> RangeIter<'a, P> {\n // RangeIter { range: self, current: self.start.clone() }\n // }\n\nimpl
MemRange for Range
\nwhere P: Page {\n\n /// Returns the number of `Page`s in this ranage\n #[inline]\n fn length(&self) -> usize {\n self.end.number() - self.start.number()\n }\n\n /// Remove `n` pages from the beginning of this `PageRange`\n fn drop_front(&mut self, n: usize) -> &mut Self {\n assert!(n < self.length());\n self.start += n;\n self\n }\n\n /// Remove `n` pages from the end of this `PageRange`\n fn drop_back(&mut self, n: usize) -> &mut Self {\n assert!(n < self.length());\n self.end -= n;\n self\n }\n\n /// Add `n` pages at the front of this `PageRange`\n fn add_front(&mut self, n: usize) -> &mut Self {\n self.start -= n;\n self\n }\n\n /// Add `n` pages at the back of this `PageRange`\n fn add_back(&mut self, n: usize) -> &mut Self {\n self.end += n;\n self\n }\n}\n\n/// An iterator over a range of pages\npub struct RangeIter<'a, P>\nwhere P: Page\n , P: 'a { range: &'a Range
, current: P }\n\nimpl<'a, P> Iterator for RangeIter<'a, P>\nwhere P: Page\n , P: Clone {\n type Item = P;\n\n fn next(&mut self) -> Option
{\n let end = self.range.end;\n assert!(self.range.start <= end);\n if self.current < end {\n let page = self.current.clone();\n self.current += 1;\n Some(page)\n } else {\n None\n }\n }\n\n}\n"
},
{
"path": "memory/src/macros.rs",
"content": "//\n// SOS: the Stupid Operating System\n// by Eliza Weisman (eliza@elizas.website)\n//\n// Copyright (c) 2015-2017 Eliza Weisman\n// Released under the terms of the MIT license. See `LICENSE` in the root\n// directory of this repository for more information.\n//\n//! Macros to make our custom address types require a lot less repetitive code.\n#[macro_export]\nmacro_rules! Addr {\n (($size:ty, $letter:expr) $(pub)* enum $name:ident $($tail:tt)*) => {\n Addr! { @impl $name, $size, $letter }\n };\n (($size:ty, $letter:expr) $(pub)* struct $name:ident $($tail:tt)*) => {\n Addr! { @impl $name, $size, $letter }\n };\n (@impl $ty:ident, $size:ty, $letter:expr) => {\n\n impl ::core::fmt::Debug for $ty {\n fn fmt(&self, f: &mut ::core::fmt::Formatter)\n -> ::core::fmt::Result {\n write!(f, \"{}x{:x}\", $letter, self.0)\n }\n }\n\n impl ::core::fmt::Pointer for $ty {\n #[inline] fn fmt(&self, f: &mut ::core::fmt::Formatter)\n -> ::core::fmt::Result {\n write!(f, \"{:?}\", self)\n }\n }\n\n impl ::core::convert::Into<$size> for $ty {\n #[inline] fn into(self) -> $size { self.0 }\n }\n\n impl ::core::convert::From<$size> for $ty {\n #[inline] fn from(n: $size) -> Self { $ty(n) }\n }\n\n impl