1 extern crate itertools;
9 use itertools::Itertools;
11 pub use teraron::{Mode, Verify, Overwrite};
13 pub type Result<T> = ::std::result::Result<T, failure::Error>;
15 pub const GRAMMAR: &str = "ra_syntax/src/grammar.ron";
16 pub const SYNTAX_KINDS: &str = "ra_syntax/src/syntax_kinds/generated.rs.tera";
17 pub const AST: &str = "ra_syntax/src/ast/generated.rs.tera";
25 pub fn collect_tests(s: &str) -> Vec<(usize, Test)> {
28 let comment_blocks = s
32 .group_by(|(_idx, line)| line.starts_with(prefix));
34 'outer: for (is_comment, block) in comment_blocks.into_iter() {
38 let mut block = block.map(|(idx, line)| (idx, &line[prefix.len()..]));
40 let (start_line, name) = loop {
42 Some((idx, line)) if line.starts_with("test ") => {
43 break (idx, line["test ".len()..].to_string())
46 None => continue 'outer,
49 let text: String = itertools::join(
50 block.map(|(_, line)| line).chain(::std::iter::once("")),
53 assert!(!text.trim().is_empty() && text.ends_with("\n"));
54 res.push((start_line, Test { name, text }))
59 pub fn generate(mode: Mode) -> Result<()> {
60 let grammar = project_root().join(GRAMMAR);
61 let syntax_kinds = project_root().join(SYNTAX_KINDS);
62 let ast = project_root().join(AST);
76 pub fn project_root() -> PathBuf {
77 Path::new(&std::env::var("CARGO_MANIFEST_DIR").unwrap())