language-servers/rust-analyzer
1
0
Fork 0
mirror of https://github.com/rust-lang/rust-analyzer.git synced 2025-09-28 12:54:58 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

Improve tt::Subtree debug print

Browse source
This commit is contained in:
Edwin Cheng 2020-04-09 23:48:08 +08:00
parent d416d892fc
commit 19d952c603
3 changed files with 136 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

79
crates/ra_mbe/src/tests.rs
View file

@ -141,6 +141,79 @@ macro_rules! impl_froms {
);
}
#[test]
fn test_convert_tt2() {
parse_macro(
r#"
macro_rules! impl_froms {
($e:ident: $($v:ident),*) => {
$(
impl From<$v> for $e {
fn from(it: $v) -> $e {
$e::$v(it)
}
}
)*
}
}
"#,
)
.assert_expand(
"impl_froms!(TokenTree: Leaf, Subtree);",
r#"
SUBTREE $
IDENT impl 20
IDENT From 21
PUNCH < [joint] 22
IDENT Leaf 53
PUNCH > [alone] 25
IDENT for 26
IDENT TokenTree 51
SUBTREE {} 29
IDENT fn 30
IDENT from 31
SUBTREE () 32
IDENT it 33
PUNCH : [alone] 34
IDENT Leaf 53
PUNCH - [joint] 37
PUNCH > [alone] 38
IDENT TokenTree 51
SUBTREE {} 41
IDENT TokenTree 51
PUNCH : [joint] 44
PUNCH : [joint] 45
IDENT Leaf 53
SUBTREE () 48
IDENT it 49
IDENT impl 20
IDENT From 21
PUNCH < [joint] 22
IDENT Subtree 55
PUNCH > [alone] 25
IDENT for 26
IDENT TokenTree 51
SUBTREE {} 29
IDENT fn 30
IDENT from 31
SUBTREE () 32
IDENT it 33
PUNCH : [alone] 34
IDENT Subtree 55
PUNCH - [joint] 37
PUNCH > [alone] 38
IDENT TokenTree 51
SUBTREE {} 41
IDENT TokenTree 51
PUNCH : [joint] 44
PUNCH : [joint] 45
IDENT Subtree 55
SUBTREE () 48
IDENT it 49
"#,
);
}
#[test]
fn test_expr_order() {
let expanded = parse_macro(
@ -1479,6 +1552,12 @@ impl MacroFixture {
assert_eq!(expansion.to_string(), expected);
}
fn assert_expand(&self, invocation: &str, expected: &str) {
let expansion = self.expand_tt(invocation);
let actual = format!("{:?}", expansion);
test_utils::assert_eq_text!(&actual.trim(), &expected.trim());
}
fn assert_expand_items(&self, invocation: &str, expected: &str) -> &MacroFixture {
self.assert_expansion(FragmentKind::Items, invocation, expected);
self