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-rw-r--r--crates/ra_ide/src/completion/complete_path.rs33
-rw-r--r--crates/ra_ide/src/completion/complete_pattern.rs18
-rw-r--r--crates/ra_mbe/src/mbe_expander/matcher.rs4
3 files changed, 54 insertions, 1 deletions
diff --git a/crates/ra_ide/src/completion/complete_path.rs b/crates/ra_ide/src/completion/complete_path.rs
index 4fa47951a..8c2a28983 100644
--- a/crates/ra_ide/src/completion/complete_path.rs
+++ b/crates/ra_ide/src/completion/complete_path.rs
@@ -835,4 +835,37 @@ mod tests {
835 "### 835 "###
836 ); 836 );
837 } 837 }
838
839 #[test]
840 fn completes_in_simple_macro_call() {
841 let completions = do_reference_completion(
842 r#"
843 macro_rules! m { ($e:expr) => { $e } }
844 fn main() { m!(self::f<|>); }
845 fn foo() {}
846 "#,
847 );
848 assert_debug_snapshot!(completions, @r###"
849 [
850 CompletionItem {
851 label: "foo()",
852 source_range: [93; 94),
853 delete: [93; 94),
854 insert: "foo()$0",
855 kind: Function,
856 lookup: "foo",
857 detail: "fn foo()",
858 },
859 CompletionItem {
860 label: "main()",
861 source_range: [93; 94),
862 delete: [93; 94),
863 insert: "main()$0",
864 kind: Function,
865 lookup: "main",
866 detail: "fn main()",
867 },
868 ]
869 "###);
870 }
838} 871}
diff --git a/crates/ra_ide/src/completion/complete_pattern.rs b/crates/ra_ide/src/completion/complete_pattern.rs
index c2c6ca002..fa8aeceda 100644
--- a/crates/ra_ide/src/completion/complete_pattern.rs
+++ b/crates/ra_ide/src/completion/complete_pattern.rs
@@ -86,4 +86,22 @@ mod tests {
86 ] 86 ]
87 "###); 87 "###);
88 } 88 }
89
90 #[test]
91 fn completes_in_simple_macro_call() {
92 // FIXME: doesn't work yet because of missing error recovery in macro expansion
93 let completions = complete(
94 r"
95 macro_rules! m { ($e:expr) => { $e } }
96 enum E { X }
97
98 fn foo() {
99 m!(match E::X {
100 <|>
101 })
102 }
103 ",
104 );
105 assert_debug_snapshot!(completions, @r###"[]"###);
106 }
89} 107}
diff --git a/crates/ra_mbe/src/mbe_expander/matcher.rs b/crates/ra_mbe/src/mbe_expander/matcher.rs
index ffba03898..49c53183a 100644
--- a/crates/ra_mbe/src/mbe_expander/matcher.rs
+++ b/crates/ra_mbe/src/mbe_expander/matcher.rs
@@ -247,6 +247,7 @@ impl<'a> TtIter<'a> {
247 ra_parser::parse_fragment(&mut src, &mut sink, fragment_kind); 247 ra_parser::parse_fragment(&mut src, &mut sink, fragment_kind);
248 248
249 if !sink.cursor.is_root() || sink.error { 249 if !sink.cursor.is_root() || sink.error {
250 // FIXME better recovery in this case would help completion inside macros immensely
250 return Err(()); 251 return Err(());
251 } 252 }
252 253
@@ -375,7 +376,8 @@ fn match_meta_var(kind: &str, input: &mut TtIter) -> Result<Option<Fragment>, Ex
375 return Ok(Some(Fragment::Tokens(tt))); 376 return Ok(Some(Fragment::Tokens(tt)));
376 } 377 }
377 }; 378 };
378 let tt = input.expect_fragment(fragment).map_err(|()| err!())?; 379 let tt =
380 input.expect_fragment(fragment).map_err(|()| err!("fragment did not parse as {}", kind))?;
379 let fragment = if kind == "expr" { Fragment::Ast(tt) } else { Fragment::Tokens(tt) }; 381 let fragment = if kind == "expr" { Fragment::Ast(tt) } else { Fragment::Tokens(tt) };
380 Ok(Some(fragment)) 382 Ok(Some(fragment))
381} 383}