forked from M-Labs/artiq
firmware: use the failure crate in libio.
This commit is contained in:
whitequark
parent
9e8f8bb669
commit
4416c04ae1
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@ -98,6 +98,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "dyld"
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version = "0.0.0"
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[[package]]
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name = "failure"
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version = "0.1.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "failure_derive"
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version = "0.1.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
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"syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)",
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"synstructure 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "fringe"
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version = "1.1.0"
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@ -111,6 +126,8 @@ name = "io"
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version = "0.0.0"
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dependencies = [
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"byteorder 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"failure 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"failure_derive 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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@ -191,6 +208,11 @@ dependencies = [
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"log 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "quote"
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version = "0.3.15"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "runtime"
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version = "0.0.0"
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@ -247,6 +269,38 @@ dependencies = [
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name = "std_artiq"
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version = "0.0.0"
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[[package]]
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name = "syn"
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version = "0.11.11"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
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"synom 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "synom"
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version = "0.11.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "synstructure"
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version = "0.6.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
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"syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "unicode-xid"
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version = "0.0.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "unwind_backtrace"
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version = "0.0.0"
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@ -280,6 +334,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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"checksum compiler_builtins 0.1.0 (git+https://github.com/rust-lang-nursery/compiler-builtins)" = "<none>"
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"checksum crc 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bd5d02c0aac6bd68393ed69e00bbc2457f3e89075c6349db7189618dc4ddc1d7"
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"checksum cslice 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0f8cb7306107e4b10e64994de6d3274bd08996a7c1322a27b86482392f96be0a"
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"checksum failure 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "934799b6c1de475a012a02dab0ace1ace43789ee4b99bcfbf1a2e3e8ced5de82"
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"checksum failure_derive 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c7cdda555bb90c9bb67a3b670a0f42de8e73f5981524123ad8578aafec8ddb8b"
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"checksum fringe 1.1.0 (git+https://github.com/m-labs/libfringe?rev=bd23494)" = "<none>"
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"checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
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"checksum libc 0.2.40 (registry+https://github.com/rust-lang/crates.io-index)" = "6fd41f331ac7c5b8ac259b8bf82c75c0fb2e469bbf37d2becbba9a6a2221965b"
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@ -288,8 +344,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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"checksum log_buffer 1.2.0 (git+https://github.com/whitequark/rust-log_buffer?rev=rust-1.25)" = "<none>"
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"checksum managed 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "43e2737ecabe4ae36a68061398bf27d2bfd0763f4c3c837a398478459494c4b7"
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"checksum managed 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5a31885241e61ba264d780d2e6686e7e59561c947b4581470364eb3e10102d86"
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"checksum quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6e920b65c65f10b2ae65c831a81a073a89edd28c7cce89475bff467ab4167a"
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"checksum same-file 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "d931a44fdaa43b8637009e7632a02adc4f2b2e0733c08caa4cf00e8da4a117a7"
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"checksum smoltcp 0.4.0 (git+https://github.com/m-labs/smoltcp?rev=181083f)" = "<none>"
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"checksum syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)" = "d3b891b9015c88c576343b9b3e41c2c11a51c219ef067b264bd9c8aa9b441dad"
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"checksum synom 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a393066ed9010ebaed60b9eafa373d4b1baac186dd7e008555b0f702b51945b6"
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"checksum synstructure 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3a761d12e6d8dcb4dcf952a7a89b475e3a9d69e4a69307e01a470977642914bd"
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"checksum unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8c1f860d7d29cf02cb2f3f359fd35991af3d30bac52c57d265a3c461074cb4dc"
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"checksum walkdir 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)" = "bb08f9e670fab86099470b97cd2b252d6527f0b3cc1401acdb595ffc9dd288ff"
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"checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
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"checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
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@ -8,6 +8,8 @@ name = "io"
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path = "lib.rs"
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[dependencies]
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failure = { version = "0.1", default-features = false }
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failure_derive = { version = "0.1", default-features = false }
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byteorder = { version = "1.0", default-features = false, optional = true }
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[features]
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@ -2,6 +2,9 @@
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#![feature(never_type)]
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#![cfg_attr(feature = "alloc", feature(alloc))]
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extern crate failure;
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#[macro_use]
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extern crate failure_derive;
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#[cfg(feature = "alloc")]
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#[macro_use]
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extern crate alloc;
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@ -9,7 +12,6 @@ extern crate alloc;
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extern crate byteorder;
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use core::result;
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use core::fmt;
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mod cursor;
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#[cfg(feature = "byteorder")]
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@ -19,24 +21,14 @@ pub use cursor::Cursor;
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pub type Result<T, E> = result::Result<T, Error<E>>;
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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
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#[derive(Fail, Debug, Clone, PartialEq)]
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pub enum Error<T> {
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#[fail(display = "unexpected end of stream")]
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UnexpectedEof,
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#[fail(display = "unrecognized input")]
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Unrecognized,
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Other(T)
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}
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impl<T: fmt::Display> fmt::Display for Error<T> {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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match self {
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&Error::UnexpectedEof =>
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write!(f, "unexpected end of stream"),
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&Error::Unrecognized =>
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write!(f, "unrecognized input"),
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&Error::Other(ref err) =>
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write!(f, "{}", err)
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}
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}
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#[fail(display = "{}", _0)]
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Other(#[cause] T)
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}
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impl<T> From<T> for Error<T> {
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@ -1,30 +1,18 @@
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#[cfg(feature = "alloc")]
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use core::fmt;
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#[cfg(feature = "alloc")]
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use alloc::string;
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use {core::str::Utf8Error, alloc::String};
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use byteorder::{ByteOrder, NetworkEndian};
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use ::{Read, Write, Error as IoError};
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#[cfg(feature = "alloc")]
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#[derive(Debug)]
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#[derive(Fail, Debug, Clone, PartialEq)]
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pub enum ReadStringError<T> {
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Utf8Error(string::FromUtf8Error),
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#[fail(display = "invalid UTF-8: {}", _0)]
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Utf8Error(Utf8Error),
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#[fail(display = "{}", _0)]
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Other(T)
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}
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#[cfg(feature = "alloc")]
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impl<T: fmt::Display> fmt::Display for ReadStringError<T> {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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match self {
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&ReadStringError::Utf8Error(ref err) =>
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write!(f, "invalid UTF-8 ({})", err),
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&ReadStringError::Other(ref err) =>
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write!(f, "{}", err)
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}
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}
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}
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#[cfg(feature = "alloc")]
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impl<T> From<ReadStringError<IoError<T>>> for IoError<T>
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{
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@ -86,14 +74,8 @@ pub trait ProtoRead {
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#[cfg(feature = "alloc")]
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#[inline]
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fn read_string(&mut self) -> Result<::alloc::String, ReadStringError<Self::ReadError>> {
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match self.read_bytes() {
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Ok(bytes) =>
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match ::alloc::String::from_utf8(bytes) {
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Ok(string) => Ok(string),
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Err(err) => Err(ReadStringError::Utf8Error(err))
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},
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Err(err) => Err(ReadStringError::Other(err))
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}
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let bytes = self.read_bytes().map_err(ReadStringError::Other)?;
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String::from_utf8(bytes).map_err(|err| ReadStringError::Utf8Error(err.utf8_error()))
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}
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}
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