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Format generated features manually instead of relying on rustfmt

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This commit is contained in:
Laurențiu Nicola 2021-02-27 16:25:06 +02:00
parent 0892ccd090
commit 0fb01367f5
2 changed files with 6411 additions and 34 deletions
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6379
crates/ide_completion/src/generated_lint_completions.rs
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File diff suppressed because one or more lines are too long

66
xtask/src/codegen/gen_lint_completions.rs
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@ -1,7 +1,7 @@
//! Generates descriptors structure for unstable feature from Unstable Book
use std::fmt::Write;
use std::path::{Path, PathBuf};
use quote::quote;
use walkdir::WalkDir;
use xshell::{cmd, read_file};
@ -15,16 +15,13 @@ pub fn generate_lint_completions(mode: Mode) -> Result<()> {
cmd!("git clone --depth=1 https://github.com/rust-lang/rust ./target/rust").run()?;
}
let ts_features = generate_descriptor("./target/rust/src/doc/unstable-book/src".into())?;
cmd!("curl http://rust-lang.github.io/rust-clippy/master/lints.json --output ./target/clippy_lints.json").run()?;
let mut contents = String::from("use crate::completions::attribute::LintCompletion;\n\n");
generate_descriptor(&mut contents, "./target/rust/src/doc/unstable-book/src".into())?;
contents.push('\n');
let ts_clippy = generate_descriptor_clippy(&Path::new("./target/clippy_lints.json"))?;
let ts = quote! {
use crate::completions::attribute::LintCompletion;
#ts_features
#ts_clippy
};
let contents = reformat(ts.to_string().as_str())?;
cmd!("curl http://rust-lang.github.io/rust-clippy/master/lints.json --output ./target/clippy_lints.json").run()?;
generate_descriptor_clippy(&mut contents, &Path::new("./target/clippy_lints.json"))?;
let contents = reformat(&contents)?;
let destination =
project_root().join("crates/ide_completion/src/generated_lint_completions.rs");
@ -34,8 +31,10 @@ pub fn generate_lint_completions(mode: Mode) -> Result<()> {
Ok(())
}
fn generate_descriptor(src_dir: PathBuf) -> Result<proc_macro2::TokenStream> {
let definitions = ["language-features", "library-features"]
fn generate_descriptor(buf: &mut String, src_dir: PathBuf) -> Result<()> {
buf.push_str(r#"pub(super) const FEATURES: &[LintCompletion] = &["#);
buf.push('\n');
["language-features", "library-features"]
.iter()
.flat_map(|it| WalkDir::new(src_dir.join(it)))
.filter_map(|e| e.ok())
@ -43,21 +42,15 @@ fn generate_descriptor(src_dir: PathBuf) -> Result<proc_macro2::TokenStream> {
// Get all `.md ` files
entry.file_type().is_file() && entry.path().extension().unwrap_or_default() == "md"
})
.map(|entry| {
.for_each(|entry| {
let path = entry.path();
let feature_ident = path.file_stem().unwrap().to_str().unwrap().replace("-", "_");
let doc = read_file(path).unwrap();
quote! { LintCompletion { label: #feature_ident, description: #doc } }
push_lint_completion(buf, &feature_ident, &doc);
});
let ts = quote! {
pub(super) const FEATURES: &[LintCompletion] = &[
#(#definitions),*
];
};
Ok(ts)
buf.push_str("];\n");
Ok(())
}
#[derive(Default)]
@ -66,7 +59,7 @@ struct ClippyLint {
id: String,
}
fn generate_descriptor_clippy(path: &Path) -> Result<proc_macro2::TokenStream> {
fn generate_descriptor_clippy(buf: &mut String, path: &Path) -> Result<()> {
let file_content = read_file(path)?;
let mut clippy_lints: Vec<ClippyLint> = vec![];
@ -97,18 +90,27 @@ fn generate_descriptor_clippy(path: &Path) -> Result<proc_macro2::TokenStream> {
}
}
let definitions = clippy_lints.into_iter().map(|clippy_lint| {
buf.push_str(r#"pub(super) const CLIPPY_LINTS: &[LintCompletion] = &["#);
buf.push('\n');
clippy_lints.into_iter().for_each(|clippy_lint| {
let lint_ident = format!("clippy::{}", clippy_lint.id);
let doc = clippy_lint.help;
quote! { LintCompletion { label: #lint_ident, description: #doc } }
push_lint_completion(buf, &lint_ident, &doc);
});
let ts = quote! {
pub(super) const CLIPPY_LINTS: &[LintCompletion] = &[
#(#definitions),*
];
};
buf.push_str("];\n");
Ok(ts)
Ok(())
}
fn push_lint_completion(buf: &mut String, label: &str, description: &str) {
writeln!(
buf,
r###" LintCompletion {{
label: "{}",
description: r##"{}"##
}},"###,
label, description
)
.unwrap();
}