⬆️ rust-analyzer

This commit is contained in:
Laurențiu Nicola 2022-10-18 09:12:49 +03:00
parent 8536eb016c
commit a99a48e786
86 changed files with 3149 additions and 1653 deletions

View file

@ -61,6 +61,8 @@
//! "
//! ```
use std::iter;
use rustc_hash::FxHashMap;
use stdx::trim_indent;
@ -259,7 +261,7 @@ impl MiniCore {
if res.has_flag(entry) {
panic!("duplicate minicore flag: {:?}", entry);
}
res.activated_flags.push(entry.to_string());
res.activated_flags.push(entry.to_owned());
}
res
@ -273,35 +275,34 @@ impl MiniCore {
let raw_mini_core = include_str!("./minicore.rs");
let mut lines = raw_mini_core.split_inclusive('\n');
let mut parsing_flags = false;
let mut implications = Vec::new();
// Parse `//!` preamble and extract flags and dependencies.
for line in lines.by_ref() {
let line = match line.strip_prefix("//!") {
Some(it) => it,
None => {
assert!(line.trim().is_empty());
break;
}
};
if parsing_flags {
let (flag, deps) = line.split_once(':').unwrap();
let flag = flag.trim();
self.valid_flags.push(flag.to_string());
for dep in deps.split(", ") {
let dep = dep.trim();
if !dep.is_empty() {
self.assert_valid_flag(dep);
implications.push((flag, dep));
}
}
let trim_doc: fn(&str) -> Option<&str> = |line| match line.strip_prefix("//!") {
Some(it) => Some(it),
None => {
assert!(line.trim().is_empty(), "expected empty line after minicore header");
None
}
};
for line in lines
.by_ref()
.map_while(trim_doc)
.skip_while(|line| !line.contains("Available flags:"))
.skip(1)
{
let (flag, deps) = line.split_once(':').unwrap();
let flag = flag.trim();
if line.contains("Available flags:") {
parsing_flags = true;
}
self.valid_flags.push(flag.to_string());
implications.extend(
iter::repeat(flag)
.zip(deps.split(", ").map(str::trim).filter(|dep| !dep.is_empty())),
);
}
for (_, dep) in &implications {
self.assert_valid_flag(dep);
}
for flag in &self.activated_flags {
@ -332,7 +333,7 @@ impl MiniCore {
}
if let Some(region) = trimmed.strip_prefix("// endregion:") {
let prev = active_regions.pop().unwrap();
assert_eq!(prev, region);
assert_eq!(prev, region, "unbalanced region pairs");
continue;
}