cleanup
This commit is contained in:
107
src/anything.rs
Normal file
107
src/anything.rs
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@@ -0,0 +1,107 @@
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use alloc::boxed::Box;
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use alloc::format;
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use alloc::string::String;
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use core::any::Any;
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use core::fmt::{Debug, Display, Formatter};
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use core::panic::Location;
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pub auto trait NotAnything {}
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impl !NotAnything for Anything {}
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impl <T> NotAnything for Box<T> {}
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pub struct Anything {
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error: Box<dyn DynError>,
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#[cfg(debug_assertions)]
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origin: &'static Location<'static>,
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}
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impl Anything {
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#[track_caller]
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pub fn new<T: DynError + 'static>(error: T) -> Anything {
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Anything {
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error: Box::new(error),
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origin: Location::caller(),
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}
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}
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#[track_caller]
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pub fn new_error<T: DynError + 'static>(error: T) -> Result<(), Anything> {
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Err(Anything {
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error: Box::new(error),
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origin: Location::caller(),
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})
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}
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#[track_caller]
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pub fn assert<T: DynError + 'static>(error_if_false: bool, error: T) -> Result<(), Anything> {
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if error_if_false { return Ok(()) }
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Err(Anything {
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error: Box::new(error),
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origin: Location::caller(),
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})
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}
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pub fn get_error(&self) -> &dyn Any {
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self.error.as_any()
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}
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pub fn get_origin(&self) -> Option<Location<'static>> {
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#[cfg(debug_assertions)]
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return Some(self.origin.clone());
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#[cfg(not(debug_assertions))]
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return None;
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}
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}
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impl Display for Anything {
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fn fmt(&self, f: &mut Formatter<'_>) -> core::fmt::Result {
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write!(f,
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"[{}:{}:{}] {:?}",
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self.origin.file(),
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self.origin.line(),
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self.origin.column(),
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self.error.format()
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)
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}
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}
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impl Debug for Anything {
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fn fmt(&self, f: &mut Formatter<'_>) -> core::fmt::Result {
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write!(f,
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"'{:?}'\n at {}:{}:{}",
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self.error.format(),
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self.origin.file(),
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self.origin.line(),
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self.origin.column()
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)
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}
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}
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impl<T: DynError + 'static> From<T> for Anything {
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#[track_caller]
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fn from(value: T) -> Self {
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Anything {
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error: Box::new(value),
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origin: Location::caller(),
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}
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}
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}
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pub trait DynError {
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fn as_any(&self) -> &dyn Any;
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fn format(&self) -> String;
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}
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impl<T: Any + NotAnything + Debug > DynError for T {
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fn as_any(&self) -> &dyn Any {
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self as &dyn Any
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}
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fn format(&self) -> String {
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format!("{:?}", self)
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}
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}
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@@ -1,11 +0,0 @@
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#![allow(suspicious_auto_trait_impls)]
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pub auto trait NotNothing {}
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impl !NotNothing for super::Nothing {}
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pub auto trait NotAnything {}
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impl !NotAnything for super::Anything {}
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impl <T> NotNothing for alloc::boxed::Box<T> {}
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impl <T> NotAnything for alloc::boxed::Box<T> {}
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133
src/lib.rs
133
src/lib.rs
@@ -1,131 +1,10 @@
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#![no_std] #![feature(negative_impls, auto_traits)]
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#![no_std] #![feature(negative_impls, auto_traits, const_type_id)]
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#![allow(suspicious_auto_trait_impls)]
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extern crate alloc;
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use core::panic::Location;
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use alloc::boxed::Box;
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use alloc::format;
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use alloc::string::String;
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use core::fmt::{Debug, Display, Formatter};
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use core::any::Any;
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use crate::autotraits::{NotAnything, NotNothing};
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pub(crate) mod anything;
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pub(crate) mod nothing;
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mod autotraits;
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// ==============================
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// Anything
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// ==============================
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pub struct Anything {
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error: Box<dyn DynError>,
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#[cfg(debug_assertions)]
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origin: &'static Location<'static>,
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}
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impl Anything {
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#[track_caller]
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pub fn new<T: DynError + 'static>(error: T) -> Anything {
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Anything {
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error: Box::new(error),
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origin: Location::caller(),
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}
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}
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#[track_caller]
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pub fn new_error<T: DynError + 'static>(error: T) -> Result<(), Anything> {
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Err(Anything {
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error: Box::new(error),
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origin: Location::caller(),
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})
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}
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#[track_caller]
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pub fn assert<T: DynError + 'static>(error_if_false: bool, error: T) -> Result<(), Anything> {
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if error_if_false { return Ok(()) }
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Err(Anything {
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error: Box::new(error),
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origin: Location::caller(),
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})
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}
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pub fn get_error(&self) -> &dyn Any {
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self.error.as_any()
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}
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pub fn get_origin(&self) -> Option<Location<'static>> {
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#[cfg(debug_assertions)]
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return Some(self.origin.clone());
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#[cfg(not(debug_assertions))]
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return None;
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}
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}
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impl Display for Anything {
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fn fmt(&self, f: &mut Formatter<'_>) -> core::fmt::Result {
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write!(f,
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"[{}:{}:{}] {:?}",
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self.origin.file(),
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self.origin.line(),
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self.origin.column(),
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self.error.format()
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)
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}
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}
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impl Debug for Anything {
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fn fmt(&self, f: &mut Formatter<'_>) -> core::fmt::Result {
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write!(f,
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"'{:?}'\n at {}:{}:{}",
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self.error.format(),
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self.origin.file(),
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self.origin.line(),
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self.origin.column()
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)
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}
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}
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impl<T: DynError + 'static> From<T> for Anything {
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#[track_caller]
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fn from(value: T) -> Self {
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Anything {
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error: Box::new(value),
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origin: Location::caller(),
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}
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}
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}
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// ==============================
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// Error Type
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// ==============================
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pub trait DynError {
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fn as_any(&self) -> &dyn Any;
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fn format(&self) -> String;
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}
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impl<T: Any + NotAnything + Debug > DynError for T {
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fn as_any(&self) -> &dyn Any {
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self as &dyn Any
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}
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fn format(&self) -> String {
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format!("{:?}", self)
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}
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}
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// ==============================
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// Nothing
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// ==============================
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#[derive(Debug)]
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pub struct Nothing;
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impl<T: NotNothing> From<T> for Nothing {
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fn from(_: T) -> Self { Nothing }
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}
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pub use anything::*;
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pub use nothing::*;
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11
src/nothing.rs
Normal file
11
src/nothing.rs
Normal file
@@ -0,0 +1,11 @@
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pub auto trait NotNothing {}
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impl !NotNothing for Nothing {}
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impl <T> NotNothing for alloc::boxed::Box<T> {}
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#[derive(Debug)]
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pub struct Nothing;
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impl<T: NotNothing> From<T> for Nothing {
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fn from(_: T) -> Self { Nothing }
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}
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