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internal: overhaul code generation

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* Keep codegen adjacent to the relevant crates.
* Remove codgen deps from xtask, speeding-up from-source installation.

This regresses the release process a bit, as it now needs to run the
tests (and, by extension, compile the code).
This commit is contained in:
Aleksey Kladov 2021-07-03 22:11:03 +03:00
parent 668d061245
commit 58d2ece88a
31 changed files with 686 additions and 659 deletions
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43
xtask/src/main.rs
View file

@ -9,8 +9,6 @@
//! `.cargo/config`.
mod flags;
mod codegen;
mod ast_src;
#[cfg(test)]
mod tidy;
@ -24,7 +22,6 @@ use std::{
env,
path::{Path, PathBuf},
};
use walkdir::{DirEntry, WalkDir};
use xshell::{cmd, cp, pushd, pushenv};
fn main() -> Result<()> {
@ -63,31 +60,6 @@ fn project_root() -> PathBuf {
.to_path_buf()
}
fn rust_files() -> impl Iterator<Item = PathBuf> {
rust_files_in(&project_root().join("crates"))
}
#[cfg(test)]
fn cargo_files() -> impl Iterator<Item = PathBuf> {
files_in(&project_root(), "toml")
.filter(|path| path.file_name().map(|it| it == "Cargo.toml").unwrap_or(false))
}
fn rust_files_in(path: &Path) -> impl Iterator<Item = PathBuf> {
files_in(path, "rs")
}
fn ensure_rustfmt() -> Result<()> {
let out = cmd!("rustfmt --version").read()?;
if !out.contains("stable") {
bail!(
"Failed to run rustfmt from toolchain 'stable'. \
Please run `rustup component add rustfmt --toolchain stable` to install it.",
)
}
Ok(())
}
fn run_fuzzer() -> Result<()> {
let _d = pushd("./crates/syntax")?;
let _e = pushenv("RUSTUP_TOOLCHAIN", "nightly");
@ -113,18 +85,3 @@ fn date_iso() -> Result<String> {
fn is_release_tag(tag: &str) -> bool {
tag.len() == "2020-02-24".len() && tag.starts_with(|c: char| c.is_ascii_digit())
}
fn files_in(path: &Path, ext: &'static str) -> impl Iterator<Item = PathBuf> {
let iter = WalkDir::new(path);
return iter
.into_iter()
.filter_entry(|e| !is_hidden(e))
.map(|e| e.unwrap())
.filter(|e| !e.file_type().is_dir())
.map(|e| e.into_path())
.filter(move |path| path.extension().map(|it| it == ext).unwrap_or(false));
fn is_hidden(entry: &DirEntry) -> bool {
entry.file_name().to_str().map(|s| s.starts_with('.')).unwrap_or(false)
}
}