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fix tests

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This commit is contained in:
Aleksey Kladov 2018-10-16 20:53:19 +03:00
parent 0b6d4983de
commit b43bcd43c6
3 changed files with 23 additions and 46 deletions
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35
crates/tools/src/lib.rs
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@ -1,13 +1,15 @@
extern crate itertools;
#[macro_use]
extern crate failure;
extern crate teraron;
use itertools::Itertools;
use std::{
fs,
path::{Path, PathBuf},
};
use itertools::Itertools;
pub use teraron::{Mode, Verify, Overwrite};
pub type Result<T> = ::std::result::Result<T, failure::Error>;
pub const GRAMMAR: &str = "ra_syntax/src/grammar.ron";
@ -54,22 +56,23 @@ pub fn collect_tests(s: &str) -> Vec<(usize, Test)> {
res
}
pub fn update(path: &Path, contents: &str, verify: bool) -> Result<()> {
match fs::read_to_string(path) {
Ok(ref old_contents) if old_contents == contents => {
return Ok(());
}
_ => (),
}
if verify {
bail!("`{}` is not up-to-date", path.display());
}
eprintln!("updating {}", path.display());
fs::write(path, contents)?;
pub fn generate(mode: Mode) -> Result<()> {
let grammar = project_root().join(GRAMMAR);
let syntax_kinds = project_root().join(SYNTAX_KINDS);
let ast = project_root().join(AST);
teraron::generate(
&syntax_kinds,
&grammar,
mode,
)?;
teraron::generate(
&ast,
&grammar,
mode,
)?;
Ok(())
}
pub fn project_root() -> PathBuf {
Path::new(&std::env::var("CARGO_MANIFEST_DIR").unwrap())
.parent()