bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/project-model/src/cfg.rs')
-rw-r--r--crates/project-model/src/cfg.rs100
1 files changed, 0 insertions, 100 deletions
diff --git a/crates/project-model/src/cfg.rs b/crates/project-model/src/cfg.rs
deleted file mode 100644
index e921e3de72..0000000000
--- a/crates/project-model/src/cfg.rs
+++ /dev/null
@@ -1,100 +0,0 @@
-//! Parsing of CfgFlags as command line arguments, as in
-//!
-//! rustc main.rs --cfg foo --cfg 'feature="bar"'
-use std::{fmt, str::FromStr};
-
-use cfg::{CfgDiff, CfgOptions};
-use intern::Symbol;
-use rustc_hash::FxHashMap;
-use serde::Serialize;
-
-#[derive(Clone, Eq, PartialEq, Debug, Serialize)]
-pub enum CfgFlag {
- Atom(String),
- KeyValue { key: String, value: String },
-}
-
-impl FromStr for CfgFlag {
- type Err = String;
- fn from_str(s: &str) -> Result<Self, Self::Err> {
- let res = match s.split_once('=') {
- Some((key, value)) => {
- if !(value.starts_with('"') && value.ends_with('"')) {
- return Err(format!("Invalid cfg ({s:?}), value should be in quotes"));
- }
- let key = key.to_owned();
- let value = value[1..value.len() - 1].to_string();
- CfgFlag::KeyValue { key, value }
- }
- None => CfgFlag::Atom(s.into()),
- };
- Ok(res)
- }
-}
-
-impl<'de> serde::Deserialize<'de> for CfgFlag {
- fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
- where
- D: serde::Deserializer<'de>,
- {
- String::deserialize(deserializer)?.parse().map_err(serde::de::Error::custom)
- }
-}
-
-impl Extend<CfgFlag> for CfgOptions {
- fn extend<T: IntoIterator<Item = CfgFlag>>(&mut self, iter: T) {
- for cfg_flag in iter {
- match cfg_flag {
- CfgFlag::Atom(it) => self.insert_atom(Symbol::intern(&it)),
- CfgFlag::KeyValue { key, value } => {
- self.insert_key_value(Symbol::intern(&key), Symbol::intern(&value))
- }
- }
- }
- }
-}
-
-impl FromIterator<CfgFlag> for CfgOptions {
- fn from_iter<T: IntoIterator<Item = CfgFlag>>(iter: T) -> Self {
- let mut this = CfgOptions::default();
- this.extend(iter);
- this
- }
-}
-
-impl fmt::Display for CfgFlag {
- fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
- match self {
- CfgFlag::Atom(atom) => f.write_str(atom),
- CfgFlag::KeyValue { key, value } => {
- f.write_str(key)?;
- f.write_str("=")?;
- f.write_str(value)
- }
- }
- }
-}
-
-/// A set of cfg-overrides per crate.
-#[derive(Default, Debug, Clone, Eq, PartialEq)]
-pub struct CfgOverrides {
- /// A global set of overrides matching all crates.
- pub global: CfgDiff,
- /// A set of overrides matching specific crates.
- pub selective: FxHashMap<String, CfgDiff>,
-}
-
-impl CfgOverrides {
- pub fn len(&self) -> usize {
- self.global.len() + self.selective.values().map(|it| it.len()).sum::<usize>()
- }
-
- pub fn apply(&self, cfg_options: &mut CfgOptions, name: &str) {
- if !self.global.is_empty() {
- cfg_options.apply_diff(self.global.clone());
- };
- if let Some(diff) = self.selective.get(name) {
- cfg_options.apply_diff(diff.clone());
- };
- }
-}