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-rw-r--r--rustversion/src/attr.rs35
-rw-r--r--rustversion/src/bound.rs84
-rw-r--r--rustversion/src/date.rs77
-rw-r--r--rustversion/src/expr.rs177
-rw-r--r--rustversion/src/lib.rs254
-rw-r--r--rustversion/src/rustc.rs195
-rw-r--r--rustversion/src/time.rs44
-rw-r--r--rustversion/src/version.rs16
8 files changed, 0 insertions, 882 deletions
diff --git a/rustversion/src/attr.rs b/rustversion/src/attr.rs
deleted file mode 100644
index 591b2c0..0000000
--- a/rustversion/src/attr.rs
+++ /dev/null
@@ -1,35 +0,0 @@
-use crate::expr::Expr;
-use proc_macro2::TokenStream;
-use syn::parse::{Parse, ParseStream, Result};
-use syn::Token;
-
-pub struct Args {
- pub condition: Expr,
- pub then: Then,
-}
-
-pub enum Then {
- Const(Token![const]),
- Attribute(TokenStream),
-}
-
-impl Parse for Args {
- fn parse(input: ParseStream) -> Result<Self> {
- let condition: Expr = input.parse()?;
-
- input.parse::<Token![,]>()?;
- if input.is_empty() {
- return Err(input.error("expected one or more attrs"));
- }
-
- let const_token: Option<Token![const]> = input.parse()?;
- let then = if let Some(const_token) = const_token {
- input.parse::<Option<Token![,]>>()?;
- Then::Const(const_token)
- } else {
- input.parse().map(Then::Attribute)?
- };
-
- Ok(Args { condition, then })
- }
-}
diff --git a/rustversion/src/bound.rs b/rustversion/src/bound.rs
deleted file mode 100644
index 2546637..0000000
--- a/rustversion/src/bound.rs
+++ /dev/null
@@ -1,84 +0,0 @@
-use crate::date::Date;
-use crate::version::{Channel::*, Version};
-use quote::quote;
-use std::cmp::Ordering;
-use syn::parse::{Error, Parse, ParseStream, Result};
-use syn::{LitFloat, LitInt, Token};
-
-pub enum Bound {
- Nightly(Date),
- Stable(Release),
-}
-
-#[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
-pub struct Release {
- pub minor: u16,
- pub patch: Option<u16>,
-}
-
-impl Parse for Bound {
- fn parse(input: ParseStream) -> Result<Self> {
- if input.peek2(Token![-]) {
- input.parse().map(Bound::Nightly)
- } else {
- input.parse().map(Bound::Stable)
- }
- }
-}
-
-impl Parse for Release {
- fn parse(input: ParseStream) -> Result<Self> {
- let span = input.cursor().token_stream();
- let error = || Error::new_spanned(&span, "expected rustc release number, like 1.31");
-
- let major_minor: LitFloat = input.parse().map_err(|_| error())?;
- let string = quote!(#major_minor).to_string();
-
- if !string.starts_with("1.") {
- return Err(error());
- }
-
- let minor: u16 = string[2..].parse().map_err(|_| error())?;
-
- let patch = if input.parse::<Option<Token![.]>>()?.is_some() {
- let int: LitInt = input.parse().map_err(|_| error())?;
- Some(int.base10_parse().map_err(|_| error())?)
- } else {
- None
- };
-
- Ok(Release { minor, patch })
- }
-}
-
-impl PartialEq<Bound> for Version {
- fn eq(&self, rhs: &Bound) -> bool {
- match rhs {
- Bound::Nightly(date) => match self.channel {
- Stable | Beta | Dev => false,
- Nightly(nightly) => nightly == *date,
- },
- Bound::Stable(release) => {
- self.minor == release.minor
- && release.patch.map_or(true, |patch| self.patch == patch)
- }
- }
- }
-}
-
-impl PartialOrd<Bound> for Version {
- fn partial_cmp(&self, rhs: &Bound) -> Option<Ordering> {
- match rhs {
- Bound::Nightly(date) => match self.channel {
- Stable | Beta => Some(Ordering::Less),
- Nightly(nightly) => Some(nightly.cmp(date)),
- Dev => Some(Ordering::Greater),
- },
- Bound::Stable(release) => {
- let version = (self.minor, self.patch);
- let bound = (release.minor, release.patch.unwrap_or(0));
- Some(version.cmp(&bound))
- }
- }
- }
-}
diff --git a/rustversion/src/date.rs b/rustversion/src/date.rs
deleted file mode 100644
index 631b762..0000000
--- a/rustversion/src/date.rs
+++ /dev/null
@@ -1,77 +0,0 @@
-use crate::time;
-use std::fmt::{self, Display};
-use std::num::ParseIntError;
-use std::str::FromStr;
-use syn::parse::{Error, Parse, ParseStream};
-use syn::{LitInt, Token};
-
-#[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
-pub struct Date {
- pub year: u16,
- pub month: u8,
- pub day: u8,
-}
-
-impl Display for Date {
- fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
- write!(
- formatter,
- "{:04}-{:02}-{:02}",
- self.year, self.month, self.day,
- )
- }
-}
-
-pub struct ParseDateError;
-
-impl From<ParseIntError> for ParseDateError {
- fn from(_err: ParseIntError) -> Self {
- ParseDateError
- }
-}
-
-impl FromStr for Date {
- type Err = ParseDateError;
-
- fn from_str(s: &str) -> Result<Self, Self::Err> {
- let mut date = s.split('-');
- let year = date.next().ok_or(ParseDateError)?.parse()?;
- let month = date.next().ok_or(ParseDateError)?.parse()?;
- let day = date.next().ok_or(ParseDateError)?.parse()?;
- match date.next() {
- None => Ok(Date { year, month, day }),
- Some(_) => Err(ParseDateError),
- }
- }
-}
-
-impl Parse for Date {
- fn parse(input: ParseStream) -> syn::Result<Self> {
- let span = input.cursor().token_stream();
- let error = || {
- Error::new_spanned(
- &span,
- format!("expected nightly date, like {}", time::today()),
- )
- };
-
- let year: LitInt = input.parse().map_err(|_| error())?;
- input.parse::<Token![-]>()?;
- let month: LitInt = input.parse().map_err(|_| error())?;
- input.parse::<Token![-]>()?;
- let day: LitInt = input.parse().map_err(|_| error())?;
-
- let year = year.base10_parse::<u64>().map_err(|_| error())?;
- let month = month.base10_parse::<u64>().map_err(|_| error())?;
- let day = day.base10_parse::<u64>().map_err(|_| error())?;
- if year >= 3000 || month > 12 || day > 31 {
- return Err(error());
- }
-
- Ok(Date {
- year: year as u16,
- month: month as u8,
- day: day as u8,
- })
- }
-}
diff --git a/rustversion/src/expr.rs b/rustversion/src/expr.rs
deleted file mode 100644
index 2ea91af..0000000
--- a/rustversion/src/expr.rs
+++ /dev/null
@@ -1,177 +0,0 @@
-use crate::bound::{Bound, Release};
-use crate::date::Date;
-use crate::version::{Channel, Version};
-use syn::parse::{Parse, ParseStream, Result};
-use syn::punctuated::Punctuated;
-use syn::{parenthesized, token, Token};
-
-pub enum Expr {
- Stable,
- Beta,
- Nightly,
- Date(Date),
- Since(Bound),
- Before(Bound),
- Release(Release),
- Not(Box<Expr>),
- Any(Vec<Expr>),
- All(Vec<Expr>),
-}
-
-impl Expr {
- pub fn eval(&self, rustc: Version) -> bool {
- use self::Expr::*;
-
- match self {
- Stable => rustc.channel == Channel::Stable,
- Beta => rustc.channel == Channel::Beta,
- Nightly => match rustc.channel {
- Channel::Nightly(_) | Channel::Dev => true,
- Channel::Stable | Channel::Beta => false,
- },
- Date(date) => match rustc.channel {
- Channel::Nightly(rustc) => rustc == *date,
- Channel::Stable | Channel::Beta | Channel::Dev => false,
- },
- Since(bound) => rustc >= *bound,
- Before(bound) => rustc < *bound,
- Release(release) => {
- rustc.channel == Channel::Stable
- && rustc.minor == release.minor
- && release.patch.map_or(true, |patch| rustc.patch == patch)
- }
- Not(expr) => !expr.eval(rustc),
- Any(exprs) => exprs.iter().any(|e| e.eval(rustc)),
- All(exprs) => exprs.iter().all(|e| e.eval(rustc)),
- }
- }
-}
-
-type Exprs = Punctuated<Expr, Token![,]>;
-
-mod keyword {
- syn::custom_keyword!(stable);
- syn::custom_keyword!(beta);
- syn::custom_keyword!(nightly);
- syn::custom_keyword!(since);
- syn::custom_keyword!(before);
- syn::custom_keyword!(not);
- syn::custom_keyword!(any);
- syn::custom_keyword!(all);
-}
-
-impl Parse for Expr {
- fn parse(input: ParseStream) -> Result<Self> {
- let lookahead = input.lookahead1();
- if lookahead.peek(keyword::stable) {
- Self::parse_stable(input)
- } else if lookahead.peek(keyword::beta) {
- Self::parse_beta(input)
- } else if lookahead.peek(keyword::nightly) {
- Self::parse_nightly(input)
- } else if lookahead.peek(keyword::since) {
- Self::parse_since(input)
- } else if lookahead.peek(keyword::before) {
- Self::parse_before(input)
- } else if lookahead.peek(keyword::not) {
- Self::parse_not(input)
- } else if lookahead.peek(keyword::any) {
- Self::parse_any(input)
- } else if lookahead.peek(keyword::all) {
- Self::parse_all(input)
- } else {
- Err(lookahead.error())
- }
- }
-}
-
-impl Expr {
- fn parse_nightly(input: ParseStream) -> Result<Self> {
- input.parse::<keyword::nightly>()?;
-
- if !input.peek(token::Paren) {
- return Ok(Expr::Nightly);
- }
-
- let paren;
- parenthesized!(paren in input);
- let date: Date = paren.parse()?;
- paren.parse::<Option<Token![,]>>()?;
-
- Ok(Expr::Date(date))
- }
-
- fn parse_beta(input: ParseStream) -> Result<Self> {
- input.parse::<keyword::beta>()?;
-
- Ok(Expr::Beta)
- }
-
- fn parse_stable(input: ParseStream) -> Result<Self> {
- input.parse::<keyword::stable>()?;
-
- if !input.peek(token::Paren) {
- return Ok(Expr::Stable);
- }
-
- let paren;
- parenthesized!(paren in input);
- let release: Release = paren.parse()?;
- paren.parse::<Option<Token![,]>>()?;
-
- Ok(Expr::Release(release))
- }
-
- fn parse_since(input: ParseStream) -> Result<Self> {
- input.parse::<keyword::since>()?;
-
- let paren;
- parenthesized!(paren in input);
- let bound: Bound = paren.parse()?;
- paren.parse::<Option<Token![,]>>()?;
-
- Ok(Expr::Since(bound))
- }
-
- fn parse_before(input: ParseStream) -> Result<Self> {
- input.parse::<keyword::before>()?;
-
- let paren;
- parenthesized!(paren in input);
- let bound: Bound = paren.parse()?;
- paren.parse::<Option<Token![,]>>()?;
-
- Ok(Expr::Before(bound))
- }
-
- fn parse_not(input: ParseStream) -> Result<Self> {
- input.parse::<keyword::not>()?;
-
- let paren;
- parenthesized!(paren in input);
- let expr: Expr = paren.parse()?;
- paren.parse::<Option<Token![,]>>()?;
-
- Ok(Expr::Not(Box::new(expr)))
- }
-
- fn parse_any(input: ParseStream) -> Result<Self> {
- input.parse::<keyword::any>()?;
-
- let paren;
- parenthesized!(paren in input);
- let exprs: Exprs = paren.parse_terminated(Expr::parse)?;
-
- Ok(Expr::Any(exprs.into_iter().collect()))
- }
-
- fn parse_all(input: ParseStream) -> Result<Self> {
- input.parse::<keyword::all>()?;
-
- let paren;
- parenthesized!(paren in input);
- let exprs: Exprs = paren.parse_terminated(Expr::parse)?;
-
- Ok(Expr::All(exprs.into_iter().collect()))
- }
-}
diff --git a/rustversion/src/lib.rs b/rustversion/src/lib.rs
deleted file mode 100644
index cf8ed21..0000000
--- a/rustversion/src/lib.rs
+++ /dev/null
@@ -1,254 +0,0 @@
-//! This crate provides macros for conditional compilation according to rustc
-//! compiler version, analogous to [`#[cfg(...)]`][cfg] and
-//! [`#[cfg_attr(...)]`][cfg_attr].
-//!
-//! [cfg]: https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute
-//! [cfg_attr]: https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg_attr-attribute
-//!
-//! <br>
-//!
-//! # Selectors
-//!
-//! - <p style="margin-left:50px;text-indent:-50px">
-//! <b><code>#[rustversion::stable]</code></b>
-//! —<br>
-//! True on any stable compiler.
-//! </p>
-//!
-//! - <p style="margin-left:50px;text-indent:-50px">
-//! <b><code>#[rustversion::stable(1.34)]</code></b>
-//! —<br>
-//! True on exactly the specified stable compiler.
-//! </p>
-//!
-//! - <p style="margin-left:50px;text-indent:-50px">
-//! <b><code>#[rustversion::beta]</code></b>
-//! —<br>
-//! True on any beta compiler.
-//! </p>
-//!
-//! - <p style="margin-left:50px;text-indent:-50px">
-//! <b><code>#[rustversion::nightly]</code></b>
-//! —<br>
-//! True on any nightly compiler or dev build.
-//! </p>
-//!
-//! - <p style="margin-left:50px;text-indent:-50px">
-//! <b><code>#[rustversion::nightly(2019-01-01)]</code></b>
-//! —<br>
-//! True on exactly one nightly.
-//! </p>
-//!
-//! - <p style="margin-left:50px;text-indent:-50px">
-//! <b><code>#[rustversion::since(1.34)]</code></b>
-//! —<br>
-//! True on that stable release and any later compiler, including beta and
-//! nightly.
-//! </p>
-//!
-//! - <p style="margin-left:50px;text-indent:-50px">
-//! <b><code>#[rustversion::since(2019-01-01)]</code></b>
-//! —<br>
-//! True on that nightly and all newer ones.
-//! </p>
-//!
-//! - <p style="margin-left:50px;text-indent:-50px">
-//! <b><code>#[rustversion::before(</code></b><i>version or date</i><b><code>)]</code></b>
-//! —<br>
-//! Negative of <i>#[rustversion::since(...)]</i>.
-//! </p>
-//!
-//! - <p style="margin-left:50px;text-indent:-50px">
-//! <b><code>#[rustversion::not(</code></b><i>selector</i><b><code>)]</code></b>
-//! —<br>
-//! Negative of any selector; for example <i>#[rustversion::not(nightly)]</i>.
-//! </p>
-//!
-//! - <p style="margin-left:50px;text-indent:-50px">
-//! <b><code>#[rustversion::any(</code></b><i>selectors...</i><b><code>)]</code></b>
-//! —<br>
-//! True if any of the comma-separated selectors is true; for example
-//! <i>#[rustversion::any(stable, beta)]</i>.
-//! </p>
-//!
-//! - <p style="margin-left:50px;text-indent:-50px">
-//! <b><code>#[rustversion::all(</code></b><i>selectors...</i><b><code>)]</code></b>
-//! —<br>
-//! True if all of the comma-separated selectors are true; for example
-//! <i>#[rustversion::all(since(1.31), before(1.34))]</i>.
-//! </p>
-//!
-//! - <p style="margin-left:50px;text-indent:-50px">
-//! <b><code>#[rustversion::attr(</code></b><i>selector</i><b><code>, </code></b><i>attribute</i><b><code>)]</code></b>
-//! —<br>
-//! For conditional inclusion of attributes; analogous to
-//! <code>cfg_attr</code>.
-//! </p>
-//!
-//! <br>
-//!
-//! # Use cases
-//!
-//! Providing additional trait impls as types are stabilized in the standard library
-//! without breaking compatibility with older compilers; in this case Pin\<P\>
-//! stabilized in [Rust 1.33][pin]:
-//!
-//! [pin]: https://blog.rust-lang.org/2019/02/28/Rust-1.33.0.html#pinning
-//!
-//! ```
-//! # trait MyTrait {}
-//! #
-//! #[rustversion::since(1.33)]
-//! use std::pin::Pin;
-//!
-//! #[rustversion::since(1.33)]
-//! impl<P: MyTrait> MyTrait for Pin<P> {
-//! /* ... */
-//! }
-//! ```
-//!
-//! Similar but for language features; the ability to control alignment greater than
-//! 1 of packed structs was stabilized in [Rust 1.33][packed].
-//!
-//! [packed]: https://github.com/rust-lang/rust/blob/master/RELEASES.md#version-1330-2019-02-28
-//!
-//! ```
-//! #[rustversion::attr(before(1.33), repr(packed))]
-//! #[rustversion::attr(since(1.33), repr(packed(2)))]
-//! struct Six(i16, i32);
-//!
-//! fn main() {
-//! println!("{}", std::mem::align_of::<Six>());
-//! }
-//! ```
-//!
-//! Augmenting code with `const` as const impls are stabilized in the standard
-//! library. This use of `const` as an attribute is recognized as a special case
-//! by the rustversion::attr macro.
-//!
-//! ```
-//! use std::time::Duration;
-//!
-//! #[rustversion::attr(since(1.32), const)]
-//! fn duration_as_days(dur: Duration) -> u64 {
-//! dur.as_secs() / 60 / 60 / 24
-//! }
-//! ```
-//!
-//! <br>
-
-extern crate proc_macro;
-
-mod attr;
-mod bound;
-mod date;
-mod expr;
-mod rustc;
-mod time;
-mod version;
-
-use crate::attr::Then;
-use crate::expr::Expr;
-use proc_macro::TokenStream;
-use proc_macro2::{Ident, Span, TokenStream as TokenStream2};
-use quote::quote;
-use syn::{parse_macro_input, ItemFn, Result};
-
-#[proc_macro_attribute]
-pub fn stable(args: TokenStream, input: TokenStream) -> TokenStream {
- cfg("stable", args, input)
-}
-
-#[proc_macro_attribute]
-pub fn beta(args: TokenStream, input: TokenStream) -> TokenStream {
- cfg("beta", args, input)
-}
-
-#[proc_macro_attribute]
-pub fn nightly(args: TokenStream, input: TokenStream) -> TokenStream {
- cfg("nightly", args, input)
-}
-
-#[proc_macro_attribute]
-pub fn since(args: TokenStream, input: TokenStream) -> TokenStream {
- cfg("since", args, input)
-}
-
-#[proc_macro_attribute]
-pub fn before(args: TokenStream, input: TokenStream) -> TokenStream {
- cfg("before", args, input)
-}
-
-#[proc_macro_attribute]
-pub fn not(args: TokenStream, input: TokenStream) -> TokenStream {
- cfg("not", args, input)
-}
-
-#[proc_macro_attribute]
-pub fn any(args: TokenStream, input: TokenStream) -> TokenStream {
- cfg("any", args, input)
-}
-
-#[proc_macro_attribute]
-pub fn all(args: TokenStream, input: TokenStream) -> TokenStream {
- cfg("all", args, input)
-}
-
-fn cfg(top: &str, args: TokenStream, input: TokenStream) -> TokenStream {
- match try_cfg(top, args, input) {
- Ok(tokens) => tokens,
- Err(err) => TokenStream::from(err.to_compile_error()),
- }
-}
-
-fn try_cfg(top: &str, args: TokenStream, input: TokenStream) -> Result<TokenStream> {
- let args = TokenStream2::from(args);
- let top = Ident::new(top, Span::call_site());
-
- let mut full_args = quote!(#top);
- if !args.is_empty() {
- full_args.extend(quote!((#args)));
- }
-
- let expr: Expr = syn::parse2(full_args)?;
- let version = rustc::version()?;
-
- if expr.eval(version) {
- Ok(input)
- } else {
- Ok(TokenStream::new())
- }
-}
-
-#[proc_macro_attribute]
-pub fn attr(args: TokenStream, input: TokenStream) -> TokenStream {
- let args = parse_macro_input!(args as attr::Args);
-
- match try_attr(args, input) {
- Ok(tokens) => tokens,
- Err(err) => TokenStream::from(err.to_compile_error()),
- }
-}
-
-fn try_attr(args: attr::Args, input: TokenStream) -> Result<TokenStream> {
- let version = rustc::version()?;
-
- if !args.condition.eval(version) {
- return Ok(input);
- }
-
- match args.then {
- Then::Const(const_token) => {
- let mut input: ItemFn = syn::parse(input)?;
- input.sig.constness = Some(const_token);
- Ok(TokenStream::from(quote!(#input)))
- }
- Then::Attribute(then) => {
- let input = TokenStream2::from(input);
- Ok(TokenStream::from(quote! {
- #[cfg_attr(all(), #then)]
- #input
- }))
- }
- }
-}
diff --git a/rustversion/src/rustc.rs b/rustversion/src/rustc.rs
deleted file mode 100644
index 4e7699d..0000000
--- a/rustversion/src/rustc.rs
+++ /dev/null
@@ -1,195 +0,0 @@
-use std::env;
-use std::ffi::OsString;
-use std::fmt::{self, Display};
-use std::io;
-use std::process::Command;
-use std::str::FromStr;
-use std::string::FromUtf8Error;
-
-use crate::date::Date;
-use crate::version::{Channel::*, Version};
-use proc_macro2::Span;
-
-#[derive(Debug)]
-pub enum Error {
- Exec(io::Error),
- Utf8(FromUtf8Error),
- Parse(String),
-}
-
-pub type Result<T> = std::result::Result<T, Error>;
-
-impl Display for Error {
- fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
- use self::Error::*;
-
- match self {
- Exec(e) => write!(f, "failed to run `rustc --version`: {}", e),
- Utf8(e) => write!(f, "failed to parse output of `rustc --version`: {}", e),
- Parse(string) => write!(
- f,
- "unexpected output from `rustc --version`, please file an issue: {:?}",
- string,
- ),
- }
- }
-}
-
-impl From<FromUtf8Error> for Error {
- fn from(err: FromUtf8Error) -> Self {
- Error::Utf8(err)
- }
-}
-
-impl From<Error> for syn::Error {
- fn from(err: Error) -> Self {
- syn::Error::new(Span::call_site(), err)
- }
-}
-
-pub fn version() -> Result<Version> {
- let rustc = env::var_os("RUSTC").unwrap_or_else(|| OsString::from("rustc"));
- let output = Command::new(rustc)
- .arg("--version")
- .output()
- .map_err(Error::Exec)?;
- let string = String::from_utf8(output.stdout)?;
-
- match parse(&string) {
- Some(version) => Ok(version),
- None => Err(Error::Parse(string)),
- }
-}
-
-fn parse(string: &str) -> Option<Version> {
- let last_line = string.lines().last().unwrap_or(&string);
- let mut words = last_line.trim().split(' ');
-
- if words.next()? != "rustc" {
- return None;
- }
-
- let mut version_channel = words.next()?.split('-');
- let version = version_channel.next()?;
- let channel = version_channel.next();
-
- let mut digits = version.split('.');
- let major = digits.next()?;
- if major != "1" {
- return None;
- }
- let minor = digits.next()?.parse().ok()?;
- let patch = digits.next().unwrap_or("0").parse().ok()?;
-
- let channel = match channel {
- None => Stable,
- Some(channel) if channel == "dev" => Dev,
- Some(channel) if channel.starts_with("beta") => Beta,
- Some(channel) if channel == "nightly" => {
- match words.next() {
- Some(hash) => {
- if !hash.starts_with('(') {
- return None;
- }
- let date = words.next()?;
- if !date.ends_with(')') {
- return None;
- }
- let date = Date::from_str(&date[..date.len() - 1]).ok()?;
- Nightly(date)
- }
- None => Dev,
- }
- }
- Some(_) => return None,
- };
-
- Some(Version {
- minor,
- patch,
- channel,
- })
-}
-
-#[test]
-fn test_parse() {
- let cases = &[
- (
- "rustc 1.0.0 (a59de37e9 2015-05-13) (built 2015-05-14)",
- Version {
- minor: 0,
- patch: 0,
- channel: Stable,
- },
- ),
- (
- "rustc 1.18.0",
- Version {
- minor: 18,
- patch: 0,
- channel: Stable,
- },
- ),
- (
- "rustc 1.24.1 (d3ae9a9e0 2018-02-27)",
- Version {
- minor: 24,
- patch: 1,
- channel: Stable,
- },
- ),
- (
- "rustc 1.35.0-beta.3 (c13114dc8 2019-04-27)",
- Version {
- minor: 35,
- patch: 0,
- channel: Beta,
- },
- ),
- (
- "rustc 1.36.0-nightly (938d4ffe1 2019-04-27)",
- Version {
- minor: 36,
- patch: 0,
- channel: Nightly(Date {
- year: 2019,
- month: 4,
- day: 27,
- }),
- },
- ),
- (
- "rustc 1.36.0-dev",
- Version {
- minor: 36,
- patch: 0,
- channel: Dev,
- },
- ),
- (
- "rustc 1.36.0-nightly",
- Version {
- minor: 36,
- patch: 0,
- channel: Dev,
- },
- ),
- (
- "warning: invalid logging spec 'warning', ignoring it
- rustc 1.30.0-nightly (3bc2ca7e4 2018-09-20)",
- Version {
- minor: 30,
- patch: 0,
- channel: Nightly(Date {
- year: 2018,
- month: 9,
- day: 20,
- }),
- },
- ),
- ];
-
- for (string, expected) in cases {
- assert_eq!(parse(string).unwrap(), *expected);
- }
-}
diff --git a/rustversion/src/time.rs b/rustversion/src/time.rs
deleted file mode 100644
index 1e6dd90..0000000
--- a/rustversion/src/time.rs
+++ /dev/null
@@ -1,44 +0,0 @@
-use crate::date::Date;
-use std::time::{SystemTime, UNIX_EPOCH};
-
-// Timestamp of 2016-03-01 00:00:00 in UTC.
-const BASE: u64 = 1456790400;
-const BASE_YEAR: u16 = 2016;
-const BASE_MONTH: u8 = 3;
-
-// Days between leap days.
-const CYCLE: u64 = 365 * 4 + 1;
-
-const DAYS_BY_MONTH: [u8; 12] = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
-
-pub fn today() -> Date {
- let default = Date {
- year: 2019,
- month: 1,
- day: 1,
- };
- try_today().unwrap_or(default)
-}
-
-fn try_today() -> Option<Date> {
- let now = SystemTime::now();
- let since_epoch = now.duration_since(UNIX_EPOCH).ok()?;
- let secs = since_epoch.as_secs();
-
- let approx_days = secs.checked_sub(BASE)? / 60 / 60 / 24;
- let cycle = approx_days / CYCLE;
- let mut rem = approx_days % CYCLE;
-
- let mut year = BASE_YEAR + cycle as u16 * 4;
- let mut month = BASE_MONTH;
- loop {
- let days_in_month = DAYS_BY_MONTH[month as usize - 1];
- if rem < days_in_month as u64 {
- let day = rem as u8 + 1;
- return Some(Date { year, month, day });
- }
- rem -= days_in_month as u64;
- year += (month == 12) as u16;
- month = month % 12 + 1;
- }
-}
diff --git a/rustversion/src/version.rs b/rustversion/src/version.rs
deleted file mode 100644
index ab3992f..0000000
--- a/rustversion/src/version.rs
+++ /dev/null
@@ -1,16 +0,0 @@
-use crate::date::Date;
-
-#[derive(Copy, Clone, Debug, PartialEq)]
-pub struct Version {
- pub minor: u16,
- pub patch: u16,
- pub channel: Channel,
-}
-
-#[derive(Copy, Clone, Debug, PartialEq)]
-pub enum Channel {
- Stable,
- Beta,
- Nightly(Date),
- Dev,
-}
generated by cgit v1.2.1 (git 2.18.0) at 2024-05-17 11:48:40 +0000