-// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
use crate::config::file_lines::FileLines;
use crate::config::options::{IgnoreList, WidthHeuristics};
/// Trait for types that can be used in `Config`.
-pub trait ConfigType: Sized {
+pub(crate) trait ConfigType: Sized {
/// Returns hint text for use in `Config::print_docs()`. For enum types, this is a
/// pipe-separated list of variants; for other types it returns "<type>".
fn doc_hint() -> String;
}
}
-/// Check if we're in a nightly build.
-///
-/// The environment variable `CFG_RELEASE_CHANNEL` is set during the rustc bootstrap
-/// to "stable", "beta", or "nightly" depending on what toolchain is being built.
-/// If we are being built as part of the stable or beta toolchains, we want
-/// to disable unstable configuration options.
-///
-/// If we're being built by cargo (e.g. `cargo +nightly install rustfmt-nightly`),
-/// `CFG_RELEASE_CHANNEL` is not set. As we only support being built against the
-/// nightly compiler when installed from crates.io, default to nightly mode.
-macro_rules! is_nightly_channel {
- () => {
- option_env!("CFG_RELEASE_CHANNEL").map_or(true, |c| c == "nightly" || c == "dev")
- };
-}
-
macro_rules! create_config {
($($i:ident: $ty:ty, $def:expr, $stb:expr, $( $dstring:expr ),+ );+ $(;)*) => (
#[cfg(test)]
use std::collections::HashSet;
use std::io::Write;
+ use serde::{Deserialize, Serialize};
+
#[derive(Clone)]
+ #[allow(unreachable_pub)]
pub struct Config {
// if a license_template_path has been specified, successfully read, parsed and compiled
// into a regex, it will be stored here
// We first parse into `PartialConfig`, then create a default `Config`
// and overwrite the properties with corresponding values from `PartialConfig`.
#[derive(Deserialize, Serialize, Clone)]
+ #[allow(unreachable_pub)]
pub struct PartialConfig {
$(pub $i: Option<$ty>),+
}
- impl PartialConfig {
- pub fn to_toml(&self) -> Result<String, String> {
- // Non-user-facing options can't be specified in TOML
- let mut cloned = self.clone();
- cloned.file_lines = None;
- cloned.verbose = None;
- cloned.width_heuristics = None;
-
- ::toml::to_string(&cloned)
- .map_err(|e| format!("Could not output config: {}", e))
- }
- }
-
// Macro hygiene won't allow us to make `set_$i()` methods on Config
// for each item, so this struct is used to give the API to set values:
// `config.set().option(false)`. It's pretty ugly. Consider replacing
// with `config.set_option(false)` if we ever get a stable/usable
// `concat_idents!()`.
+ #[allow(unreachable_pub)]
pub struct ConfigSetter<'a>(&'a mut Config);
impl<'a> ConfigSetter<'a> {
$(
+ #[allow(unreachable_pub)]
pub fn $i(&mut self, value: $ty) {
(self.0).$i.2 = value;
match stringify!($i) {
// Query each option, returns true if the user set the option, false if
// a default was used.
+ #[allow(unreachable_pub)]
pub struct ConfigWasSet<'a>(&'a Config);
impl<'a> ConfigWasSet<'a> {
$(
+ #[allow(unreachable_pub)]
pub fn $i(&self) -> bool {
(self.0).$i.1
}
}
impl Config {
- pub(crate) fn version_meets_requirement(&self) -> bool {
- if self.was_set().required_version() {
- let version = env!("CARGO_PKG_VERSION");
- let required_version = self.required_version();
- if version != required_version {
- println!(
- "Error: rustfmt version ({}) doesn't match the required version ({})",
- version,
- required_version,
- );
- return false;
- }
- }
-
- true
- }
-
$(
+ #[allow(unreachable_pub)]
pub fn $i(&self) -> $ty {
self.$i.0.set(true);
self.$i.2.clone()
}
)+
- pub fn set(&mut self) -> ConfigSetter {
+ #[allow(unreachable_pub)]
+ pub fn set(&mut self) -> ConfigSetter<'_> {
ConfigSetter(self)
}
- pub fn was_set(&self) -> ConfigWasSet {
+ #[allow(unreachable_pub)]
+ pub fn was_set(&self) -> ConfigWasSet<'_> {
ConfigWasSet(self)
}
self.$i.1 = true;
self.$i.2 = val;
} else {
- if is_nightly_channel!() {
+ if crate::is_nightly_channel!() {
self.$i.1 = true;
self.$i.2 = val;
} else {
}
}
- pub(crate) fn from_toml(toml: &str, dir: &Path) -> Result<Config, String> {
- let parsed: ::toml::Value =
- toml.parse().map_err(|e| format!("Could not parse TOML: {}", e))?;
- let mut err: String = String::new();
- {
- let table = parsed
- .as_table()
- .ok_or(String::from("Parsed config was not table"))?;
- for key in table.keys() {
- if !Config::is_valid_name(key) {
- let msg = &format!("Warning: Unknown configuration option `{}`\n", key);
- err.push_str(msg)
- }
- }
- }
- match parsed.try_into() {
- Ok(parsed_config) => {
- if !err.is_empty() {
- eprint!("{}", err);
- }
- Ok(Config::default().fill_from_parsed_config(parsed_config, dir))
- }
- Err(e) => {
- err.push_str("Error: Decoding config file failed:\n");
- err.push_str(format!("{}\n", e).as_str());
- err.push_str("Please check your config file.");
- Err(err)
- }
- }
- }
-
+ #[allow(unreachable_pub)]
pub fn used_options(&self) -> PartialConfig {
PartialConfig {
$(
}
}
+ #[allow(unreachable_pub)]
pub fn all_options(&self) -> PartialConfig {
PartialConfig {
$(
}
}
+ #[allow(unreachable_pub)]
pub fn override_value(&mut self, key: &str, val: &str)
{
match key {
}
}
- /// Construct a `Config` from the toml file specified at `file_path`.
- ///
- /// This method only looks at the provided path, for a method that
- /// searches parents for a `rustfmt.toml` see `from_resolved_toml_path`.
- ///
- /// Return a `Config` if the config could be read and parsed from
- /// the file, Error otherwise.
- pub(super) fn from_toml_path(file_path: &Path) -> Result<Config, Error> {
- let mut file = File::open(&file_path)?;
- let mut toml = String::new();
- file.read_to_string(&mut toml)?;
- Config::from_toml(&toml, file_path.parent().unwrap())
- .map_err(|err| Error::new(ErrorKind::InvalidData, err))
- }
-
- /// Resolve the config for input in `dir`.
- ///
- /// Searches for `rustfmt.toml` beginning with `dir`, and
- /// recursively checking parents of `dir` if no config file is found.
- /// If no config file exists in `dir` or in any parent, a
- /// default `Config` will be returned (and the returned path will be empty).
- ///
- /// Returns the `Config` to use, and the path of the project file if there was
- /// one.
- pub(super) fn from_resolved_toml_path(
- dir: &Path,
- ) -> Result<(Config, Option<PathBuf>), Error> {
- /// Try to find a project file in the given directory and its parents.
- /// Returns the path of a the nearest project file if one exists,
- /// or `None` if no project file was found.
- fn resolve_project_file(dir: &Path) -> Result<Option<PathBuf>, Error> {
- let mut current = if dir.is_relative() {
- env::current_dir()?.join(dir)
- } else {
- dir.to_path_buf()
- };
-
- current = fs::canonicalize(current)?;
-
- loop {
- match get_toml_path(¤t) {
- Ok(Some(path)) => return Ok(Some(path)),
- Err(e) => return Err(e),
- _ => ()
- }
-
- // If the current directory has no parent, we're done searching.
- if !current.pop() {
- break;
- }
- }
-
- // If nothing was found, check in the home directory.
- if let Some(home_dir) = dirs::home_dir() {
- if let Some(path) = get_toml_path(&home_dir)? {
- return Ok(Some(path));
- }
- }
-
- // If none was found ther either, check in the user's configuration directory.
- if let Some(mut config_dir) = dirs::config_dir() {
- config_dir.push("rustfmt");
- if let Some(path) = get_toml_path(&config_dir)? {
- return Ok(Some(path));
- }
- }
-
- return Ok(None);
- }
-
- match resolve_project_file(dir)? {
- None => Ok((Config::default(), None)),
- Some(path) => Config::from_toml_path(&path).map(|config| (config, Some(path))),
- }
- }
-
+ #[allow(unreachable_pub)]
pub fn is_hidden_option(name: &str) -> bool {
const HIDE_OPTIONS: [&str; 4] =
["verbose", "verbose_diff", "file_lines", "width_heuristics"];
HIDE_OPTIONS.contains(&name)
}
- pub fn print_docs(out: &mut Write, include_unstable: bool) {
+ #[allow(unreachable_pub)]
+ pub fn print_docs(out: &mut dyn Write, include_unstable: bool) {
use std::cmp;
let max = 0;
$( let max = cmp::max(max, stringify!($i).len()+1); )+
- let mut space_str = String::with_capacity(max);
- for _ in 0..max {
- space_str.push(' ');
- }
+ let space_str = " ".repeat(max);
writeln!(out, "Configuration Options:").unwrap();
$(
if $stb || include_unstable {
}
name_out.push_str(name_raw);
name_out.push(' ');
+ let mut default_str = format!("{}", $def);
+ if default_str.is_empty() {
+ default_str = String::from("\"\"");
+ }
writeln!(out,
- "{}{} Default: {:?}{}",
+ "{}{} Default: {}{}",
name_out,
<$ty>::doc_hint(),
- $def,
+ default_str,
if !$stb { " (unstable)" } else { "" }).unwrap();
$(
writeln!(out, "{}{}", space_str, $dstring).unwrap();
self.ignore.2.add_prefix(dir);
}
- /// Returns true if the config key was explicitly set and is the default value.
+ #[allow(unreachable_pub)]
+ /// Returns `true` if the config key was explicitly set and is the default value.
pub fn is_default(&self, key: &str) -> bool {
$(
if let stringify!($i) = key {
projects / rust.git / blobdiff