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Use SubtreeWalker instread of flatten TtToken

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This commit is contained in:
Edwin Cheng 2019-04-08 15:58:02 +08:00
parent a7254201df
commit 2697ecaa64
4 changed files with 431 additions and 268 deletions
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34
crates/ra_mbe/src/lib.rs
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@ -383,8 +383,22 @@ SOURCE_FILE@[0; 40)
assert_eq!(to_literal(&stm_tokens[15 + 3]).text, "\"rust1\"");
}
/// The following tests are port from intellij-rust directly
/// https://github.com/intellij-rust/intellij-rust/blob/c4e9feee4ad46e7953b1948c112533360b6087bb/src/test/kotlin/org/rust/lang/core/macros/RsMacroExpansionTest.kt
#[test]
fn test_two_idents() {
let rules = create_rules(
r#"
macro_rules! foo {
($ i:ident, $ j:ident) => {
fn foo() { let a = $ i; let b = $j; }
}
}
"#,
);
assert_expansion(&rules, "foo! { foo, bar }", "fn foo () {let a = foo ; let b = bar ;}");
}
// The following tests are port from intellij-rust directly
// https://github.com/intellij-rust/intellij-rust/blob/c4e9feee4ad46e7953b1948c112533360b6087bb/src/test/kotlin/org/rust/lang/core/macros/RsMacroExpansionTest.kt
#[test]
fn test_path() {
@ -401,7 +415,21 @@ SOURCE_FILE@[0; 40)
assert_expansion(
&rules,
"foo! { bar::<u8>::baz::<u8> }",
"fn foo () {let a = bar :: < u8 > :: baz :: < u8 > ;}",
"fn foo () {let a = bar ::< u8 > ::baz ::< u8 > ;}",
);
}
#[test]
fn test_two_paths() {
let rules = create_rules(
r#"
macro_rules! foo {
($ i:path, $ j:path) => {
fn foo() { let a = $ i; let b = $j; }
}
}
"#,
);
assert_expansion(&rules, "foo! { foo, bar }", "fn foo () {let a = foo ; let b = bar ;}");
}
}